diff --git a/Makefile b/Makefile index 0ff50f9..e57f682 100644 --- a/Makefile +++ b/Makefile @@ -1,4 +1,4 @@ -.PHONY: clean +.PHONY: all clean all: code9.bin code11.bin firm.bin @@ -12,4 +12,4 @@ code11.bin: make -f Makefile.arm11 firm.bin: - $(DEVKITARM)/bin/firm_builder firm.bin 0x08000040 0x1FF80000 0x08000040 0 code9.bin 0x1FF80000 1 code11.bin + $(DEVKITARM)/bin/firm_builder firm.bin 0x08000040 0x1FF85000 0x08000040 0 code9.bin 0x1FF85000 1 code11.bin diff --git a/Makefile.arm9 b/Makefile.arm9 index 83fdc5d..72b0023 100644 --- a/Makefile.arm9 +++ b/Makefile.arm9 @@ -18,8 +18,8 @@ #--------------------------------------------------------------------------------- TARGET := code9 BUILD := build9 -SOURCES := source source/arm9 source/arm9/fatfs -INCLUDES := include +SOURCES := source source/arm9 thirdparty/fatfs thirdparty/fatfs/option +INCLUDES := include thirdparty DATA := data #--------------------------------------------------------------------------------- diff --git a/arm11.ld b/arm11.ld index 93ac9e7..1b0b2dd 100644 --- a/arm11.ld +++ b/arm11.ld @@ -13,7 +13,7 @@ { /* =========== CODE section =========== */ - . = 0x1FF80000; + . = 0x1FF85000; __start__ = . ; .text ALIGN(4) : diff --git a/include/arm11/loader_init.h b/include/arm11/loader_init.h new file mode 100644 index 0000000..9fdf988 --- /dev/null +++ b/include/arm11/loader_init.h @@ -0,0 +1,5 @@ +#pragma once + + + +void hardwareInit(void); diff --git a/include/arm9/fatfs/diskio.h b/include/arm9/fatfs/diskio.h deleted file mode 100644 index 611c24a..0000000 --- a/include/arm9/fatfs/diskio.h +++ /dev/null @@ -1,84 +0,0 @@ -/*-----------------------------------------------------------------------/ -/ Low level disk interface modlue include file (C)ChaN, 2014 / -/-----------------------------------------------------------------------*/ - -#define FATFS_DEV_NUM_SD 0 -#define FATFS_DEV_NUM_TWL_NAND 1 -#define FATFS_DEV_NUM_CTR_NAND 2 - -#ifndef _DISKIO_DEFINED -#define _DISKIO_DEFINED - -#ifdef __cplusplus -extern "C" { -#endif - -#include "arm9/fatfs/integer.h" - - -/* Status of Disk Functions */ -typedef BYTE DSTATUS; - -/* Results of Disk Functions */ -typedef enum { - RES_OK = 0, /* 0: Successful */ - RES_ERROR, /* 1: R/W Error */ - RES_WRPRT, /* 2: Write Protected */ - RES_NOTRDY, /* 3: Not Ready */ - RES_PARERR /* 4: Invalid Parameter */ -} DRESULT; - - -/*---------------------------------------*/ -/* Prototypes for disk control functions */ - - -DSTATUS disk_initialize (BYTE pdrv); -DSTATUS disk_status (BYTE pdrv); -DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count); -DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count); -DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); - - -/* Disk Status Bits (DSTATUS) */ - -#define STA_NOINIT 0x01 /* Drive not initialized */ -#define STA_NODISK 0x02 /* No medium in the drive */ -#define STA_PROTECT 0x04 /* Write protected */ - - -/* Command code for disk_ioctrl fucntion */ - -/* Generic command (Used by FatFs) */ -#define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */ -#define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */ -#define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */ -#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */ -#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */ - -/* Generic command (Not used by FatFs) */ -#define CTRL_POWER 5 /* Get/Set power status */ -#define CTRL_LOCK 6 /* Lock/Unlock media removal */ -#define CTRL_EJECT 7 /* Eject media */ -#define CTRL_FORMAT 8 /* Create physical format on the media */ - -/* MMC/SDC specific ioctl command */ -#define MMC_GET_TYPE 10 /* Get card type */ -#define MMC_GET_CSD 11 /* Get CSD */ -#define MMC_GET_CID 12 /* Get CID */ -#define MMC_GET_OCR 13 /* Get OCR */ -#define MMC_GET_SDSTAT 14 /* Get SD status */ -#define ISDIO_READ 55 /* Read data form SD iSDIO register */ -#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */ -#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */ - -/* ATA/CF specific ioctl command */ -#define ATA_GET_REV 20 /* Get F/W revision */ -#define ATA_GET_MODEL 21 /* Get model name */ -#define ATA_GET_SN 22 /* Get serial number */ - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/include/arm9/fatfs/ff.h b/include/arm9/fatfs/ff.h deleted file mode 100644 index 26748b9..0000000 --- a/include/arm9/fatfs/ff.h +++ /dev/null @@ -1,366 +0,0 @@ -/*----------------------------------------------------------------------------/ -/ FatFs - Generic FAT file system module R0.12a / -/-----------------------------------------------------------------------------/ -/ -/ Copyright (C) 2016, ChaN, all right reserved. -/ -/ FatFs module is an open source software. Redistribution and use of FatFs in -/ source and binary forms, with or without modification, are permitted provided -/ that the following condition is met: - -/ 1. Redistributions of source code must retain the above copyright notice, -/ this condition and the following disclaimer. -/ -/ This software is provided by the copyright holder and contributors "AS IS" -/ and any warranties related to this software are DISCLAIMED. -/ The copyright owner or contributors be NOT LIABLE for any damages caused -/ by use of this software. -/----------------------------------------------------------------------------*/ - - -#ifndef _FATFS -#define _FATFS 80186 /* Revision ID */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include "integer.h" /* Basic integer types */ -#include "ffconf.h" /* FatFs configuration options */ - -#if _FATFS != _FFCONF -#error Wrong configuration file (ffconf.h). -#endif - - - -/* Definitions of volume management */ - -#if _MULTI_PARTITION /* Multiple partition configuration */ -typedef struct { - BYTE pd; /* Physical drive number */ - BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ -} PARTITION; -extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ -#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ -#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ - -#else /* Single partition configuration */ -#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */ -#define LD2PT(vol) 0 /* Find first valid partition or in SFD */ - -#endif - - - -/* Type of path name strings on FatFs API */ - -#if _LFN_UNICODE /* Unicode (UTF-16) string */ -#if _USE_LFN == 0 -#error _LFN_UNICODE must be 0 at non-LFN cfg. -#endif -#ifndef _INC_TCHAR -typedef WCHAR TCHAR; -#define _T(x) L ## x -#define _TEXT(x) L ## x -#endif -#else /* ANSI/OEM string */ -#ifndef _INC_TCHAR -typedef char TCHAR; -#define _T(x) x -#define _TEXT(x) x -#endif -#endif - - - -/* Type of file size variables */ - -#if _FS_EXFAT -#if _USE_LFN == 0 -#error LFN must be enabled when enable exFAT -#endif -typedef QWORD FSIZE_t; -#else -typedef DWORD FSIZE_t; -#endif - - - -/* File system object structure (FATFS) */ - -typedef struct { - BYTE fs_type; /* File system type (0:N/A) */ - BYTE drv; /* Physical drive number */ - BYTE n_fats; /* Number of FATs (1 or 2) */ - BYTE wflag; /* win[] flag (b0:dirty) */ - BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */ - WORD id; /* File system mount ID */ - WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ - WORD csize; /* Cluster size [sectors] */ -#if _MAX_SS != _MIN_SS - WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */ -#endif -#if _USE_LFN != 0 - WCHAR* lfnbuf; /* LFN working buffer */ -#endif -#if _FS_EXFAT - BYTE* dirbuf; /* Directory entry block scratchpad buffer */ -#endif -#if _FS_REENTRANT - _SYNC_t sobj; /* Identifier of sync object */ -#endif -#if !_FS_READONLY - DWORD last_clst; /* Last allocated cluster */ - DWORD free_clst; /* Number of free clusters */ -#endif -#if _FS_RPATH != 0 - DWORD cdir; /* Current directory start cluster (0:root) */ -#if _FS_EXFAT - DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */ - DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */ - DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */ -#endif -#endif - DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */ - DWORD fsize; /* Size of an FAT [sectors] */ - DWORD volbase; /* Volume base sector */ - DWORD fatbase; /* FAT base sector */ - DWORD dirbase; /* Root directory base sector/cluster */ - DWORD database; /* Data base sector */ - DWORD winsect; /* Current sector appearing in the win[] */ - BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */ -} FATFS; - - - -/* Object ID and allocation information (_FDID) */ - -typedef struct { - FATFS* fs; /* Pointer to the owner file system object */ - WORD id; /* Owner file system mount ID */ - BYTE attr; /* Object attribute */ - BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous (no data on FAT), =3:got flagmented, b2:sub-directory stretched) */ - DWORD sclust; /* Object start cluster (0:no cluster or root directory) */ - FSIZE_t objsize; /* Object size (valid when sclust != 0) */ -#if _FS_EXFAT - DWORD n_cont; /* Size of coutiguous part, clusters - 1 (valid when stat == 3) */ - DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */ - DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */ - DWORD c_ofs; /* Offset in the containing directory (valid when sclust != 0) */ -#endif -#if _FS_LOCK != 0 - UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */ -#endif -} _FDID; - - - -/* File object structure (FIL) */ - -typedef struct { - _FDID obj; /* Object identifier */ - BYTE flag; /* File status flags */ - BYTE err; /* Abort flag (error code) */ - FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */ - DWORD clust; /* Current cluster of fpter (invalid when fprt is 0) */ - DWORD sect; /* Sector number appearing in buf[] (0:invalid) */ -#if !_FS_READONLY - DWORD dir_sect; /* Sector number containing the directory entry */ - BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */ -#endif -#if _USE_FASTSEEK - DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */ -#endif -#if !_FS_TINY - BYTE buf[_MAX_SS]; /* File private data read/write window */ -#endif -} FIL; - - - -/* Directory object structure (DIR) */ - -typedef struct { - _FDID obj; /* Object identifier */ - DWORD dptr; /* Current read/write offset */ - DWORD clust; /* Current cluster */ - DWORD sect; /* Current sector */ - BYTE* dir; /* Pointer to the directory item in the win[] */ - BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */ -#if _USE_LFN != 0 - DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */ -#endif -#if _USE_FIND - const TCHAR* pat; /* Pointer to the name matching pattern */ -#endif -} DIR; - - - -/* File information structure (FILINFO) */ - -typedef struct { - FSIZE_t fsize; /* File size */ - WORD fdate; /* Modified date */ - WORD ftime; /* Modified time */ - BYTE fattrib; /* File attribute */ -#if _USE_LFN != 0 - TCHAR altname[13]; /* Altenative file name */ - TCHAR fname[_MAX_LFN + 1]; /* Primary file name */ -#else - TCHAR fname[13]; /* File name */ -#endif -} FILINFO; - - - -/* File function return code (FRESULT) */ - -typedef enum { - FR_OK = 0, /* (0) Succeeded */ - FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */ - FR_INT_ERR, /* (2) Assertion failed */ - FR_NOT_READY, /* (3) The physical drive cannot work */ - FR_NO_FILE, /* (4) Could not find the file */ - FR_NO_PATH, /* (5) Could not find the path */ - FR_INVALID_NAME, /* (6) The path name format is invalid */ - FR_DENIED, /* (7) Access denied due to prohibited access or directory full */ - FR_EXIST, /* (8) Access denied due to prohibited access */ - FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ - FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ - FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ - FR_NOT_ENABLED, /* (12) The volume has no work area */ - FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */ - FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */ - FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */ - FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */ - FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */ - FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */ - FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ -} FRESULT; - - - -/*--------------------------------------------------------------*/ -/* FatFs module application interface */ - -FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */ -FRESULT f_close (FIL* fp); /* Close an open file object */ -FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */ -FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */ -FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */ -FRESULT f_truncate (FIL* fp); /* Truncate the file */ -FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */ -FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */ -FRESULT f_closedir (DIR* dp); /* Close an open directory */ -FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */ -FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */ -FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */ -FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */ -FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */ -FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */ -FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */ -FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */ -FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */ -FRESULT f_chdir (const TCHAR* path); /* Change current directory */ -FRESULT f_chdrive (const TCHAR* path); /* Change current drive */ -FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */ -FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */ -FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */ -FRESULT f_setlabel (const TCHAR* label); /* Set volume label */ -FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */ -FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */ -FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */ -FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */ -FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */ -int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */ -int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */ -int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */ -TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */ - -#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize)) -#define f_error(fp) ((fp)->err) -#define f_tell(fp) ((fp)->fptr) -#define f_size(fp) ((fp)->obj.objsize) -#define f_rewind(fp) f_lseek((fp), 0) -#define f_rewinddir(dp) f_readdir((dp), 0) - -#ifndef EOF -#define EOF (-1) -#endif - - - - -/*--------------------------------------------------------------*/ -/* Additional user defined functions */ - -/* RTC function */ -#if !_FS_READONLY && !_FS_NORTC -DWORD get_fattime (void); -#endif - -/* Unicode support functions */ -#if _USE_LFN != 0 /* Unicode - OEM code conversion */ -WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */ -WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */ -#if _USE_LFN == 3 /* Memory functions */ -void* ff_memalloc (UINT msize); /* Allocate memory block */ -void ff_memfree (void* mblock); /* Free memory block */ -#endif -#endif - -/* Sync functions */ -#if _FS_REENTRANT -int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */ -int ff_req_grant (_SYNC_t sobj); /* Lock sync object */ -void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */ -int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */ -#endif - - - - -/*--------------------------------------------------------------*/ -/* Flags and offset address */ - - -/* File access mode and open method flags (3rd argument of f_open) */ -#define FA_READ 0x01 -#define FA_WRITE 0x02 -#define FA_OPEN_EXISTING 0x00 -#define FA_CREATE_NEW 0x04 -#define FA_CREATE_ALWAYS 0x08 -#define FA_OPEN_ALWAYS 0x10 -#define FA_OPEN_APPEND 0x30 - -/* Fast seek controls (2nd argument of f_lseek) */ -#define CREATE_LINKMAP ((FSIZE_t)0 - 1) - -/* Format options (2nd argument of f_mkfs) */ -#define FM_FAT 0x01 -#define FM_FAT32 0x02 -#define FM_EXFAT 0x04 -#define FM_ANY 0x07 -#define FM_SFD 0x08 - -/* Filesystem type (FATFS.fs_type) */ -#define FS_FAT12 1 -#define FS_FAT16 2 -#define FS_FAT32 3 -#define FS_EXFAT 4 - -/* File attribute bits for directory entry (FILINFO.fattrib) */ -#define AM_RDO 0x01 /* Read only */ -#define AM_HID 0x02 /* Hidden */ -#define AM_SYS 0x04 /* System */ -#define AM_DIR 0x10 /* Directory */ -#define AM_ARC 0x20 /* Archive */ - - -#ifdef __cplusplus -} -#endif - -#endif /* _FATFS */ diff --git a/include/arm9/fatfs/ffconf.h b/include/arm9/fatfs/ffconf.h deleted file mode 100644 index 70f6fa4..0000000 --- a/include/arm9/fatfs/ffconf.h +++ /dev/null @@ -1,265 +0,0 @@ -/*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module configuration file -/---------------------------------------------------------------------------*/ - -#define _FFCONF 80186 /* Revision ID */ - -/*---------------------------------------------------------------------------/ -/ Function Configurations -/---------------------------------------------------------------------------*/ - -#define _FS_READONLY 0 -/* This option switches read-only configuration. (0:Read/Write or 1:Read-only) -/ Read-only configuration removes writing API functions, f_write(), f_sync(), -/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree() -/ and optional writing functions as well. */ - - -#define _FS_MINIMIZE 0 -/* This option defines minimization level to remove some basic API functions. -/ -/ 0: All basic functions are enabled. -/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename() -/ are removed. -/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1. -/ 3: f_lseek() function is removed in addition to 2. */ - - -#define _USE_STRFUNC 0 -/* This option switches string functions, f_gets(), f_putc(), f_puts() and -/ f_printf(). -/ -/ 0: Disable string functions. -/ 1: Enable without LF-CRLF conversion. -/ 2: Enable with LF-CRLF conversion. */ - - -#define _USE_FIND 0 -/* This option switches filtered directory read functions, f_findfirst() and -/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */ - - -#define _USE_MKFS 0 -/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */ - - -#define _USE_FASTSEEK 0 -/* This option switches fast seek function. (0:Disable or 1:Enable) */ - - -#define _USE_EXPAND 0 -/* This option switches f_expand function. (0:Disable or 1:Enable) */ - - -#define _USE_CHMOD 0 -/* This option switches attribute manipulation functions, f_chmod() and f_utime(). -/ (0:Disable or 1:Enable) Also _FS_READONLY needs to be 0 to enable this option. */ - - -#define _USE_LABEL 1 -/* This option switches volume label functions, f_getlabel() and f_setlabel(). -/ (0:Disable or 1:Enable) */ - - -#define _USE_FORWARD 0 -/* This option switches f_forward() function. (0:Disable or 1:Enable) */ - - -/*---------------------------------------------------------------------------/ -/ Locale and Namespace Configurations -/---------------------------------------------------------------------------*/ - -#define _CODE_PAGE 437 -/* This option specifies the OEM code page to be used on the target system. -/ Incorrect setting of the code page can cause a file open failure. -/ -/ 1 - ASCII (No extended character. Non-LFN cfg. only) -/ 437 - U.S. -/ 720 - Arabic -/ 737 - Greek -/ 771 - KBL -/ 775 - Baltic -/ 850 - Latin 1 -/ 852 - Latin 2 -/ 855 - Cyrillic -/ 857 - Turkish -/ 860 - Portuguese -/ 861 - Icelandic -/ 862 - Hebrew -/ 863 - Canadian French -/ 864 - Arabic -/ 865 - Nordic -/ 866 - Russian -/ 869 - Greek 2 -/ 932 - Japanese (DBCS) -/ 936 - Simplified Chinese (DBCS) -/ 949 - Korean (DBCS) -/ 950 - Traditional Chinese (DBCS) -*/ - - -#define _USE_LFN 1 -#define _MAX_LFN 255 -/* The _USE_LFN switches the support of long file name (LFN). -/ -/ 0: Disable support of LFN. _MAX_LFN has no effect. -/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe. -/ 2: Enable LFN with dynamic working buffer on the STACK. -/ 3: Enable LFN with dynamic working buffer on the HEAP. -/ -/ To enable the LFN, Unicode handling functions (option/unicode.c) must be added -/ to the project. The working buffer occupies (_MAX_LFN + 1) * 2 bytes and -/ additional 608 bytes at exFAT enabled. _MAX_LFN can be in range from 12 to 255. -/ It should be set 255 to support full featured LFN operations. -/ When use stack for the working buffer, take care on stack overflow. When use heap -/ memory for the working buffer, memory management functions, ff_memalloc() and -/ ff_memfree(), must be added to the project. */ - - -#define _LFN_UNICODE 0 -/* This option switches character encoding on the API. (0:ANSI/OEM or 1:UTF-16) -/ To use Unicode string for the path name, enable LFN and set _LFN_UNICODE = 1. -/ This option also affects behavior of string I/O functions. */ - - -#define _STRF_ENCODE 3 -/* When _LFN_UNICODE == 1, this option selects the character encoding ON THE FILE to -/ be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf(). -/ -/ 0: ANSI/OEM -/ 1: UTF-16LE -/ 2: UTF-16BE -/ 3: UTF-8 -/ -/ This option has no effect when _LFN_UNICODE == 0. */ - - -#define _FS_RPATH 0 -/* This option configures support of relative path. -/ -/ 0: Disable relative path and remove related functions. -/ 1: Enable relative path. f_chdir() and f_chdrive() are available. -/ 2: f_getcwd() function is available in addition to 1. -*/ - - -/*---------------------------------------------------------------------------/ -/ Drive/Volume Configurations -/---------------------------------------------------------------------------*/ - -#define _VOLUMES 4 -/* Number of volumes (logical drives) to be used. */ - - -#define _STR_VOLUME_ID 1 -#define _VOLUME_STRS "SDMC","TWLN","TWLP","NAND" -/* _STR_VOLUME_ID switches string support of volume ID. -/ When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive -/ number in the path name. _VOLUME_STRS defines the drive ID strings for each -/ logical drives. Number of items must be equal to _VOLUMES. Valid characters for -/ the drive ID strings are: A-Z and 0-9. */ - - -#define _MULTI_PARTITION 1 -/* This option switches support of multi-partition on a physical drive. -/ By default (0), each logical drive number is bound to the same physical drive -/ number and only an FAT volume found on the physical drive will be mounted. -/ When multi-partition is enabled (1), each logical drive number can be bound to -/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk() -/ funciton will be available. */ - - -#define _MIN_SS 512 -#define _MAX_SS 512 -/* These options configure the range of sector size to be supported. (512, 1024, -/ 2048 or 4096) Always set both 512 for most systems, all type of memory cards and -/ harddisk. But a larger value may be required for on-board flash memory and some -/ type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured -/ to variable sector size and GET_SECTOR_SIZE command must be implemented to the -/ disk_ioctl() function. */ - - -#define _USE_TRIM 0 -/* This option switches support of ATA-TRIM. (0:Disable or 1:Enable) -/ To enable Trim function, also CTRL_TRIM command should be implemented to the -/ disk_ioctl() function. */ - - -#define _FS_NOFSINFO 0 -/* If you need to know correct free space on the FAT32 volume, set bit 0 of this -/ option, and f_getfree() function at first time after volume mount will force -/ a full FAT scan. Bit 1 controls the use of last allocated cluster number. -/ -/ bit0=0: Use free cluster count in the FSINFO if available. -/ bit0=1: Do not trust free cluster count in the FSINFO. -/ bit1=0: Use last allocated cluster number in the FSINFO if available. -/ bit1=1: Do not trust last allocated cluster number in the FSINFO. -*/ - - - -/*---------------------------------------------------------------------------/ -/ System Configurations -/---------------------------------------------------------------------------*/ - -#define _FS_TINY 0 -/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny) -/ At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS bytes. -/ Instead of private sector buffer eliminated from the file object, common sector -/ buffer in the file system object (FATFS) is used for the file data transfer. */ - - -#define _FS_EXFAT 0 -/* This option switches support of exFAT file system in addition to the traditional -/ FAT file system. (0:Disable or 1:Enable) To enable exFAT, also LFN must be enabled. -/ Note that enabling exFAT discards C89 compatibility. */ - - -#define _FS_NORTC 1 -#define _NORTC_MON 1 -#define _NORTC_MDAY 1 -#define _NORTC_YEAR 2016 -/* The option _FS_NORTC switches timestamp functiton. If the system does not have -/ any RTC function or valid timestamp is not needed, set _FS_NORTC = 1 to disable -/ the timestamp function. All objects modified by FatFs will have a fixed timestamp -/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR in local time. -/ To enable timestamp function (_FS_NORTC = 0), get_fattime() function need to be -/ added to the project to get current time form real-time clock. _NORTC_MON, -/ _NORTC_MDAY and _NORTC_YEAR have no effect. -/ These options have no effect at read-only configuration (_FS_READONLY = 1). */ - - -#define _FS_LOCK 0 -/* The option _FS_LOCK switches file lock function to control duplicated file open -/ and illegal operation to open objects. This option must be 0 when _FS_READONLY -/ is 1. -/ -/ 0: Disable file lock function. To avoid volume corruption, application program -/ should avoid illegal open, remove and rename to the open objects. -/ >0: Enable file lock function. The value defines how many files/sub-directories -/ can be opened simultaneously under file lock control. Note that the file -/ lock control is independent of re-entrancy. */ - - -#define _FS_REENTRANT 0 -#define _FS_TIMEOUT 1000 -#define _SYNC_t HANDLE -/* The option _FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs -/ module itself. Note that regardless of this option, file access to different -/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs() -/ and f_fdisk() function, are always not re-entrant. Only file/directory access -/ to the same volume is under control of this function. -/ -/ 0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect. -/ 1: Enable re-entrancy. Also user provided synchronization handlers, -/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj() -/ function, must be added to the project. Samples are available in -/ option/syscall.c. -/ -/ The _FS_TIMEOUT defines timeout period in unit of time tick. -/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*, -/ SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be -/ included somewhere in the scope of ff.c. */ - - -/*--- End of configuration options ---*/ diff --git a/include/arm9/fatfs/integer.h b/include/arm9/fatfs/integer.h deleted file mode 100644 index 5dd8ec3..0000000 --- a/include/arm9/fatfs/integer.h +++ /dev/null @@ -1,38 +0,0 @@ -/*-------------------------------------------*/ -/* Integer type definitions for FatFs module */ -/*-------------------------------------------*/ - -#ifndef _FF_INTEGER -#define _FF_INTEGER - -#ifdef _WIN32 /* FatFs development platform */ - -#include -#include -typedef unsigned __int64 QWORD; - - -#else /* Embedded platform */ - -/* These types MUST be 16-bit or 32-bit */ -typedef int INT; -typedef unsigned int UINT; - -/* This type MUST be 8-bit */ -typedef unsigned char BYTE; - -/* These types MUST be 16-bit */ -typedef short SHORT; -typedef unsigned short WORD; -typedef unsigned short WCHAR; - -/* These types MUST be 32-bit */ -typedef long LONG; -typedef unsigned long DWORD; - -/* This type MUST be 64-bit (Remove this for C89 compatibility) */ -typedef unsigned long long QWORD; - -#endif - -#endif diff --git a/include/arm9/interrupt.h b/include/arm9/interrupt.h index bdc4304..d58e671 100644 --- a/include/arm9/interrupt.h +++ b/include/arm9/interrupt.h @@ -4,7 +4,7 @@ -#define waitForIrq() __asm__("mcr p15, 0, %0, c7, c0, 4\n\t" : : "r" (0)) +#define waitForIrq() __asm__ __volatile__("mcr p15, 0, %0, c7, c0, 4\n\t" : : "r" (0)) typedef enum diff --git a/include/arm9/main.h b/include/arm9/main.h index b5c185b..ba95c96 100644 --- a/include/arm9/main.h +++ b/include/arm9/main.h @@ -1,6 +1,6 @@ #pragma once -#include "arm9/fatfs/ff.h" +#include "fatfs/ff.h" #include "arm9/console.h" typedef struct { diff --git a/include/mem_map.h b/include/mem_map.h index 8d63b79..9d43afd 100644 --- a/include/mem_map.h +++ b/include/mem_map.h @@ -96,7 +96,7 @@ #define A9_VECTORS_SIZE (0x40) #define A9_STUB_ENTRY (A9_RAM_BASE + A9_RAM_SIZE - 0x200) #define A9_STUB_SIZE (0x200) -#define A9_HEAP_SIZE (0x96000) // 600 KB +#define A9_HEAP_END (A9_RAM_BASE + A9_RAM_SIZE) #define A9_STACK_START (DTCM_BASE) #define A9_STACK_END (DTCM_BASE + DTCM_SIZE) #define A9_EXC_STACK_START (ITCM_KERNEL_MIRROR + (ITCM_SIZE / 2)) @@ -105,10 +105,11 @@ #ifdef ARM11 -#define A11_VECTORS_START (0x1FFFFFA0) -#define A11_VECTORS_SIZE (AXIWRAM_BASE + AXIWRAM_SIZE - A11_VECTORS_START) +#define A11_MMU_TABLES_BASE (AXIWRAM_BASE) +#define A11_VECTORS_START (AXIWRAM_BASE + AXIWRAM_SIZE - 0x60) +#define A11_VECTORS_SIZE (0x60) #define A11_STUB_ENTRY (AXIWRAM_BASE + AXIWRAM_SIZE - 0x200) -#define A11_STUB_SIZE (0x200) +#define A11_STUB_SIZE (0x1A0) // Don't overwrite the vectors #define A11_STACK_START (A11_STUB_ENTRY - 0xE00) #define A11_STACK_END (A11_STUB_ENTRY) #endif diff --git a/include/version.h b/include/version.h index e2bac76..0e6fcf7 100644 --- a/include/version.h +++ b/include/version.h @@ -1,3 +1,3 @@ #pragma once -#define BOOTLOADER_VERSION 0 +#define BOOTLOADER_VERSION (0x00000001) diff --git a/source/arm11/cache.s b/source/arm11/cache.s index 6354f90..2578602 100644 --- a/source/arm11/cache.s +++ b/source/arm11/cache.s @@ -17,6 +17,7 @@ @ also flushes the branch target cache mov r0, #0 mcr p15, 0, r0, c7, c5, 0 + mcr p15, 0, r0, c7, c5, 4 @ Flush Prefetch Buffer mcr p15, 0, r0, c7, c10, 4 @ Data Synchronization Barrier bx lr diff --git a/source/arm11/cpu.s b/source/arm11/cpu.s new file mode 100644 index 0000000..006391f --- /dev/null +++ b/source/arm11/cpu.s @@ -0,0 +1,113 @@ +#include "mem_map.h" + +.arm +.cpu mpcore +.fpu softvfp + +.global initCpu +.global deinitCpu + +.type initCpu STT_FUNC +.type setupExceptionVectors STT_FUNC +.type deinitCpu STT_FUNC + +.extern setupMmu +.extern flushDCache + +.section ".init" + + + +initCpu: + mov r10, lr + + @ Control register: + @ [29] Force AP functionality : disabled + @ [28] TEX remap : disabled + @ [27] NMFI bit : normal FIQ behavior + @ [25] CPSR E bit on taking an exception : 0 + @ [23] Extended page table configuration : subpage AP bits enabled + @ [22] Unaligned data access : disabled + @ [15] Disable loading TBIT : disabled + @ [13] Vector select : 0x00000000 + @ [12] Level one instruction cache : disabled + @ [11] Program flow prediction : disabled + @ [7] Endianess : little + @ [2] Level one data cache : disabled + @ [1] Strict data address alignment fault: disabled + @ [0] MMU : disabled + ldr r0, =0x54078 + mcr p15, 0, r0, c1, c0, 0 @ Write control register + mov r0, #0 + mcr p15, 0, r0, c1, c0, 1 @ Write Auxiliary Control Register + + mcr p15, 0, r0, c7, c5, 4 @ Flush Prefetch Buffer + mcr p15, 0, r0, c7, c7, 0 @ Invalidate Both Caches. Also flushes the branch target cache + mcr p15, 0, r0, c7, c10, 4 @ Data Synchronization Barrier + clrex + + ldr sp, =A11_STACK_END + + bl setupExceptionVectors @ Setup the vectors in AXIWRAM bootrom vectors jump to + blx setupMmu + bx r10 +.pool + + +#define MAKE_BRANCH(src, dst) (0xEA000000 | (((((dst) - (src)) >> 2) - 2) & 0xFFFFFF)) + +setupExceptionVectors: + adr r0, __vectorStubs + ldr r1, =A11_VECTORS_START + ldmia r0!, {r2-r9} + stmia r1!, {r2-r9} + ldmia r0, {r2-r5} + stmia r1, {r2-r5} + bx lr +.pool +__vectorStubs: + .word MAKE_BRANCH(A11_VECTORS_START + 0x00, A11_VECTORS_START + 0x00) // IRQ + .word 0 + .word MAKE_BRANCH(A11_VECTORS_START + 0x08, A11_VECTORS_START + 0x08) // FIQ + .word 0 + .word MAKE_BRANCH(A11_VECTORS_START + 0x10, A11_VECTORS_START + 0x10) // SVC + .word 0 + .word MAKE_BRANCH(A11_VECTORS_START + 0x18, A11_VECTORS_START + 0x18) // Undefined instruction + .word 0 + .word MAKE_BRANCH(A11_VECTORS_START + 0x20, A11_VECTORS_START + 0x20) // Prefetch abort + .word 0 + .word MAKE_BRANCH(A11_VECTORS_START + 0x28, A11_VECTORS_START + 0x28) // Data abort + .word 0 + + +deinitCpu: + mov r4, lr + + @ Stub vectors to endless loops + ldr r0, =A11_VECTORS_START + mov r1, #6 + ldr r2, =MAKE_BRANCH(0, 0) @ Endless loop + deinitCpu_vector_lp: + str r2, [r0], #8 + subs r1, r1, #1 + bne deinitCpu_vector_lp + + bl flushDCache + mrc p15, 0, r0, c1, c0, 0 @ Read control register + ldr r1, =0x803805 @ MMU, D-Cache, Program flow prediction, I-Cache, + @ high exception vectors, subpage AP bits disabled + bic r0, r0, r1 + mcr p15, 0, r0, c1, c0, 0 @ Write control register + mrc p15, 0, r0, c1, c0, 1 @ Read Auxiliary Control Register + bic r0, r0, #0x7F @ Return stack, Dynamic branch prediction, Static branch prediction, + @ Instruction folding, L1 and L2 caches are exclusive, + @ SMP mode: the CPU is taking part in coherency and L1 parity checking + mcr p15, 0, r0, c1, c0, 1 @ Write Auxiliary Control Register + + mov r0, #0 + mcr p15, 0, r0, c7, c5, 4 @ Flush Prefetch Buffer + mcr p15, 0, r0, c7, c7, 0 @ Invalidate Both Caches. Also flushes the branch target cache + mcr p15, 0, r0, c7, c10, 4 @ Data Synchronization Barrier + clrex + bx r4 +.pool diff --git a/source/arm11/firm.c b/source/arm11/firm.c new file mode 100644 index 0000000..0049d08 --- /dev/null +++ b/source/arm11/firm.c @@ -0,0 +1,36 @@ +#include "types.h" +#include "mem_map.h" +#include "pxi.h" + + + +void NAKED firmLaunchStub(void) +{ + // Answer ARM0 + REG_PXI_SYNC11 = 0; // Disable all IRQs + while(REG_PXI_CNT11 & PXI_SEND_FIFO_FULL); + REG_PXI_SEND11 = PXI_RPL_OK; + + // Wait for entry address + while(REG_PXI_CNT11 & PXI_RECV_FIFO_EMPTY); + void (*entry11)(void) = (void (*)(void))REG_PXI_RECV11; + + // Tell ARM9 we got the entry + while(REG_PXI_CNT11 & PXI_SEND_FIFO_FULL); + REG_PXI_SEND11 = PXI_RPL_FIRM_LAUNCH_READY; + REG_PXI_CNT11 = 0; // Disable PXI + + entry11(); +} + +noreturn void firm_launch(void) +{ + // Relocate ARM11 stub + for(u32 i = 0; i < A11_STUB_SIZE>>2; i++) + { + ((u32*)A11_STUB_ENTRY)[i] = ((u32*)firmLaunchStub)[i]; + } + + ((void (*)(void))A11_STUB_ENTRY)(); + while(1); +} diff --git a/source/arm11/loader_init.c b/source/arm11/loader_init.c new file mode 100644 index 0000000..8cab4ff --- /dev/null +++ b/source/arm11/loader_init.c @@ -0,0 +1,9 @@ +#include "types.h" +#include "pxi.h" + + + +void hardwareInit(void) +{ + PXI_init(); +} diff --git a/source/arm11/main.c b/source/arm11/main.c index d252dd7..3f503de 100644 --- a/source/arm11/main.c +++ b/source/arm11/main.c @@ -1,14 +1,12 @@ #include "types.h" -#include "mem_map.h" #include "util.h" +#include "arm11/loader_init.h" #include "arm11/i2c.h" #include "gfx.h" #include "pxi.h" -extern void disableCaches(void); - void turn_off(void) { i2cmcu_lcd_poweroff(); @@ -20,37 +18,11 @@ } } -void NAKED firmLaunchStub(void) -{ - // Answer ARM0 - REG_PXI_SYNC11 = 0; // Disable all IRQs - while(REG_PXI_CNT11 & PXI_SEND_FIFO_FULL); - REG_PXI_SEND11 = PXI_RPL_OK; - - // Wait for entry address - while(REG_PXI_CNT11 & PXI_RECV_FIFO_EMPTY); - void (*entry11)(void) = (void (*)(void))REG_PXI_RECV11; - - // Tell ARM9 we got the entry - while(REG_PXI_CNT11 & PXI_SEND_FIFO_FULL); - REG_PXI_SEND11 = PXI_RPL_FIRM_LAUNCH_READY; - REG_PXI_CNT11 = 0; // Disable PXI - - entry11(); -} - int main(void) { - void (*stub)(void) = (void (*)(void))A11_STUB_ENTRY; bool poweroff_allowed = false; - // Relocate ARM11 stub - for(u32 i = 0; i < 0x200>>2; i++) - { - ((u32*)A11_STUB_ENTRY)[i] = ((u32*)firmLaunchStub)[i]; - } - - PXI_init(); + hardwareInit(); gfx_clear_framebufs(); @@ -119,8 +91,5 @@ i2cmcu_lcd_backlight_poweroff(); */ - disableCaches(); - stub(); - return 0; } diff --git a/source/arm11/mmu.c b/source/arm11/mmu.c new file mode 100644 index 0000000..4f2c352 --- /dev/null +++ b/source/arm11/mmu.c @@ -0,0 +1,156 @@ +#include "types.h" +#include "mem_map.h" + + + +// Mem permissions +#define PERM_NO_ACC (0b000000u) +#define PERM_PRIV_RW_USR_NO_ACC (0b000001u) +#define PERM_PRIV_RW_USR_RO (0b000010u) +#define PERM_PRIV_RW_USR_RW (0b000010u) +#define PERM_PRIV_RO_USR_NO_ACC (0b100001u) +#define PERM_PRIV_RO_USR_RO (0b100010u) + +// Predefined mem attributes. Only bits 0, 1 and 10-12 matter +#define ATTR_STRONGLY_ORDERED (0b0000000000000u) // Always shared +#define ATTR_SHARED_DEVICE (0b0000000000001u) // Always shared +#define ATTR_NORM_WRITE_TROUGH_NO_ALLOC (0b0000000000010u) +#define ATTR_NORM_WRITE_BACK_NO_ALLOC (0b0000000000011u) +#define ATTR_NORM_NONCACHABLE (0b0010000000000u) +#define ATTR_NORM_WRITE_BACK_ALLOC (0b0010000000011u) +#define ATTR_NONSHARED_DEVICE (0b0100000000000u) // Always non-shared + +// Policies for custom normal mem attributes +#define POLICY_NONCACHABLE_UNBUFFERED (0b00u) +#define POLICY_WRITE_BACK_ALLOC_BUFFERED (0b01u) +#define POLICY_WRITE_THROUGH_NO_ALLOC_BUFFERED (0b10u) // Behaves as noncacheable on ARM11 MPCore +#define POLICY_WRITE_BACK_NO_ALLOC_BUFFERED (0b11u) + +#define MAKE_CUSTOM_NORM_ATTR(outer, inner) ((1u<<12) | (outer<<10) | (inner)) + +// Converts the attribute bits from L1 format to L2 format +#define L1_TO_L2(attr) ((attr>>6 | attr) & 0x73) + + + +extern void clearMem(u32 *adr, u32 size); + +/** + * @brief Maps up to 4096 1 MB sections of memory. + * + * @param[in] va The virtual address base. Must be aligned to 1 MB. + * @param[in] pa The physical address base. Must be aligned to 1 MB. + * @param[in] num The number of sections to map. + * @param[in] shared If the sections are shared memory. + * @param[in] access The access permission bits. + * @param[in] domain One of the 16 possible domains. + * @param[in] xn If this memory should be marked as execute never. + * @param[in] attr Other attribute bits like caching. + */ +static void mmuMapSections(const u32 va, const u32 pa, const u32 num, const bool shared, + const u32 access, const u8 domain, const bool xn, const u32 attr) +{ + for(u32 i = 0; i < 0x100000u * num; i += 0x100000u) + { + ((u32*)A11_MMU_TABLES_BASE)[(va + i)>>20] = (((pa + i) & 0xFFF00000u) | (u32)shared<<16 | access<<10 | + (u32)domain<<5 | (u32)xn<<4 | attr<<2 | 0b10u); + } +} + +/** + * @brief Maps up to 128 4 KB pages of memory. + * + * @param[in] va The virtual address base. Must be aligned to 4 KB. + * @param[in] pa The physical address base. Must be aligned to 4 KB. + * @param[in] num The number of sections to map. Must be <= 128. + * @param l2Table The L2 MMU table address base for this mapping. + * @param[in] shared If the pages are shared memory. + * @param[in] access The access permission bits. + * @param[in] domain One of the 16 possible domains. + * @param[in] xn If this memory should be marked as execute never. + * @param[in] attr Other attribute bits like caching. + */ +static void mmuMapPages(const u32 va, const u32 pa, const u32 num, u32 *l2Table, const bool shared, + const u32 access, const u8 domain, const bool xn, const u32 attr) +{ + ((u32*)A11_MMU_TABLES_BASE)[va>>20] = (((u32)l2Table & 0xFFFFFC00u) | (u32)domain<<5 | 0b01u); + + for(u32 i = 0; i < 0x1000u * num; i += 0x1000u) + { + l2Table[(va + i)>>12 & 0xFFu] = (((pa + i) & 0xFFFFF000u) | (u32)shared<<10 | + access<<4 | attr<<2 | 0b10u | (u32)xn); + } +} + +void setupMmu(void) +{ + // Give full access to all non-cp15 coprocessors + __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 2\n\t" : : "r" (0xF00000u)); + // Base AXIWRAM, Nonshared page table walk and outer cachable write-back cached, write allocate + __asm__ __volatile__("mcr p15, 0, %0, c2, c0, 0\n\t" : : "r" (A11_MMU_TABLES_BASE | 8u)); + // Use the 16 KB L1 table only + __asm__ __volatile__("mcr p15, 0, %0, c2, c0, 2\n\t" : : "r" (0u)); + // Domain 1 = client, remaining domains all = no access + __asm__ __volatile__("mcr p15, 0, %0, c3, c0, 0\n\t" : : "r" (4u)); + // Context ID Register (ASID = 0, PROCID = 0) + __asm__ __volatile__("mcr p15, 0, %0, c13, c0, 1\n\t" : : "r" (0u)); + // Thread ID Register (user and privileged read/write access) (Thread ID = 0) + __asm__ __volatile__("mcr p15, 0, %0, c13, c0, 2\n\t" : : "r" (0u)); + + + // Clear L1 and L2 tables + clearMem((u32*)A11_MMU_TABLES_BASE, 0x4C00u); + + // IO mem mapping + mmuMapSections(IO_MEM_ARM9_ARM11, IO_MEM_ARM9_ARM11, 4, true, + PERM_PRIV_RW_USR_NO_ACC, 1, true, ATTR_SHARED_DEVICE); + + // MPCore private region mapping + mmuMapPages(MPCORE_PRIV_REG_BASE, MPCORE_PRIV_REG_BASE, 2, + (u32*)(A11_MMU_TABLES_BASE + 0x4000u), false, PERM_PRIV_RW_USR_NO_ACC, + 1, true, L1_TO_L2(ATTR_NONSHARED_DEVICE)); + + // VRAM mapping + mmuMapSections(VRAM_BASE, VRAM_BASE, 6, true, PERM_PRIV_RW_USR_NO_ACC, 1, true, ATTR_NORM_WRITE_TROUGH_NO_ALLOC); + + // AXIWRAM MMU table mapping + mmuMapPages(A11_MMU_TABLES_BASE, A11_MMU_TABLES_BASE, 5, (u32*)(A11_MMU_TABLES_BASE + 0x4400u), true, + PERM_PRIV_RO_USR_NO_ACC, 1, true, L1_TO_L2(ATTR_NORM_NONCACHABLE)); + + // Remaining AXIWRAM pages + mmuMapPages(AXIWRAM_BASE + 0x5000u, AXIWRAM_BASE + 0x5000u, 123, + (u32*)(A11_MMU_TABLES_BASE + 0x4400u), true, PERM_PRIV_RW_USR_NO_ACC, 1, false, + L1_TO_L2(MAKE_CUSTOM_NORM_ATTR(POLICY_WRITE_BACK_ALLOC_BUFFERED, POLICY_WRITE_BACK_ALLOC_BUFFERED))); + + // boot11 mirror mapping (exception vectors) + mmuMapPages(BOOT11_MIRROR2, BOOT11_MIRROR2, 8, (u32*)(A11_MMU_TABLES_BASE + 0x4800u), true, + PERM_PRIV_RO_USR_NO_ACC, 1, false, + L1_TO_L2(MAKE_CUSTOM_NORM_ATTR(POLICY_WRITE_BACK_ALLOC_BUFFERED, POLICY_WRITE_BACK_ALLOC_BUFFERED))); + + + // Invalidate TLB (Unified TLB operation) + Data Synchronization Barrier + __asm__ __volatile__("mcr p15, 0, %0, c8, c7, 0\n\t" + "mcr p15, 0, %0, c7, c10, 4\n\t" : : "r" (0u)); + + + // Invalidate tag RAMs before enabling SMP like recommended by the MPCore docs + ((vu32*)MPCORE_PRIV_REG_BASE)[0] = 0u; // disable SCU + ((vu32*)MPCORE_PRIV_REG_BASE)[3] = 0xFFFFu; // Invalidate alll SCU tag RAMs of all CPUs + ((vu32*)MPCORE_PRIV_REG_BASE)[0] = 0x3FFFu; // Enable SCU and parity checking. All CPUs can access SCU regs + // and CPU interrupt/peripheral interfaces. + + + u32 tmp; + // Modify Auxiliary Control Register + __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1\n\t" : "=r" (tmp) : ); + tmp |= 0x7Fu; // Enable Return stack, Dynamic branch prediction, Static branch prediction, + // Instruction folding, L1 and L2 caches are exclusive, + // SMP mode: the CPU is taking part in coherency and L1 parity checking + __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1\n\t" : : "r" (tmp)); + + // Modify Control Register + __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 0\n\t" : "=r" (tmp) : ); + tmp |= 0x803805u; // Enable MMU, D-Cache, Program flow prediction, I-Cache, + // high exception vectors, subpage AP bits disabled + __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 0\n\t" : : "r" (tmp)); +} diff --git a/source/arm11/start.s b/source/arm11/start.s index 2c65980..15978d2 100644 --- a/source/arm11/start.s +++ b/source/arm11/start.s @@ -1,20 +1,22 @@ -#include "mem_map.h" - .arm .cpu mpcore .fpu softvfp .global _start +.global clearMem .global _init -.global disableCaches .type _start STT_FUNC +.type clearMem STT_FUNC .type _init STT_FUNC -.type disableCaches STT_FUNC -.extern main +.extern initCpu .extern __bss_start__ .extern __bss_end__ +.extern __libc_init_array +.extern main +.extern deinitCpu +.extern firm_launch .section ".crt0" @@ -23,56 +25,53 @@ _start: cpsid aif, #0x1F @ Disable all interrupts, system mode - ldr r0, =0x54078 @ Everything disabled - mcr p15, 0, r0, c1, c0, 0 @ Write control register - mov r1, #0 @ Everything disabled - mcr p15, 0, r1, c1, c0, 1 @ Write Auxiliary Control Register - mcr p15, 0, r1, c7, c5, 4 @ Flush Prefetch Buffer - mcr p15, 0, r1, c7, c5, 0 @ Invalidate Entire Instruction Cache. Also flushes the branch target cache - mcr p15, 0, r1, c7, c6, 0 @ Invalidate Entire Data Cache - mcr p15, 0, r1, c7, c10, 4 @ Data Synchronization Barrier + bl initCpu - mov r0, #0x2F @ Enable Return stack, Dynamic branch prediction, Static branch prediction, - @ Instruction folding, SMP mode, the CPU is taking part in coherency - mcr p15, 0, r0, c1, c0, 1 @ Write Auxiliary Control Register - ldr r0, =0x5587C @ Enable D-Cache, program flow prediction and I-Cache - mcr p15, 0, r0, c1, c0, 0 @ Write control register - mcr p15, 0, r1, c7, c5, 4 @ Flush Prefetch Buffer - mcr p15, 0, r1, c7, c5, 0 @ Invalidate Entire Instruction Cache. Also flushes the branch target cache - mcr p15, 0, r1, c7, c6, 0 @ Invalidate Entire Data Cache - mcr p15, 0, r1, c7, c10, 4 @ Data Synchronization Barrier - - // Set sp - ldr sp, =A11_STACK_END - + @ Clear bss section ldr r0, =__bss_start__ ldr r1, =__bss_end__ sub r1, r1, r0 - mov r2, #0 - loop_bss_clear: - str r2, [r0], #4 - subs r1, r1, #4 - bne loop_bss_clear + bl clearMem + blx __libc_init_array @ Initialize ctors and dtors + + mov r0, #0 @ argc + mov r1, #0 @ argv blx main - b . @ If main ever returns loop forever + cmp r0, #0 + bne . + bl deinitCpu + b firm_launch .pool -disableCaches: - mov r2, lr - bl flushDCache - - ldr r0, =0x54078 @ Everything disabled - mcr p15, 0, r0, c1, c0, 0 @ Write control register - mov r0, #0 @ Everything disabled - mcr p15, 0, r0, c1, c0, 1 @ Write Auxiliary Control Register - - mcr p15, 0, r0, c7, c5, 4 @ Flush Prefetch Buffer - mcr p15, 0, r0, c7, c5, 0 @ Invalidate Entire Instruction Cache. Also flushes the branch target cache - mcr p15, 0, r0, c7, c6, 0 @ Invalidate Entire Data Cache - mcr p15, 0, r0, c7, c10, 4 @ Data Synchronization Barrier - bx r2 +@ void clearMem(u32 *adr, u32 size) +clearMem: + mov r2, #0 + bics r12, r1, #31 + sub r1, r1, r12 + beq clearMem_check_zero + stmfd sp!, {r4-r9} + mov r3, #0 + mov r4, #0 + mov r5, #0 + mov r6, #0 + mov r7, #0 + mov r8, #0 + mov r9, #0 + clearMem_block_lp: + stmia r0!, {r2-r9} + subs r12, r12, #32 + bne clearMem_block_lp + ldmfd sp!, {r4-r9} +clearMem_check_zero: + cmp r1, #0 + bxeq lr + clearMem_remaining_lp: + str r2, [r0], #4 + subs r1, r1, #4 + bne clearMem_remaining_lp + bx lr .pool diff --git a/source/arm9/cache.s b/source/arm9/cache.s index fbfe988..b04d8dc 100644 --- a/source/arm9/cache.s +++ b/source/arm9/cache.s @@ -1,5 +1,5 @@ .arm -.arch armv5te +.cpu arm946e-s .fpu softvfp .global invalidateICache diff --git a/source/arm9/config_parser.c b/source/arm9/config_parser.c index d439c6a..ab4bb99 100644 --- a/source/arm9/config_parser.c +++ b/source/arm9/config_parser.c @@ -7,7 +7,7 @@ #include #include "types.h" #include "mem_map.h" -#include "arm9/fatfs/ff.h" +#include "fatfs/ff.h" #include "arm9/console.h" #include "arm9/main.h" #include "arm9/interrupt.h" diff --git a/source/arm9/cpu.s b/source/arm9/cpu.s index 23b472e..93925a4 100644 --- a/source/arm9/cpu.s +++ b/source/arm9/cpu.s @@ -1,7 +1,7 @@ #include "mem_map.h" .arm -.arch armv5te +.cpu arm946e-s .fpu softvfp .global initCpu @@ -47,6 +47,7 @@ bl setupExceptionVectors @ Setup the vectors in ARM9 mem bootrom vectors jump to bl setupTcms @ Setup and enable DTCM and ITCM + ldr sp, =A9_STACK_END bl setupMpu bx r10 .pool @@ -55,19 +56,20 @@ #define MAKE_BRANCH(src, dst) (0xEA000000 | (((((dst) - (src)) >> 2) - 2) & 0xFFFFFF)) setupExceptionVectors: - ldr r0, =__vectorStubs - mov r1, #A9_RAM_BASE + adr r0, __vectorStubs + mov r1, #A9_VECTORS_START ldmia r0!, {r2-r9} stmia r1!, {r2-r9} ldmia r0, {r2-r5} stmia r1, {r2-r5} bx lr +.pool __vectorStubs: - .word MAKE_BRANCH(A9_RAM_BASE + 0x00, A9_RAM_BASE + 0x00) // IRQ + .word MAKE_BRANCH(A9_VECTORS_START + 0x00, A9_VECTORS_START + 0x00) // IRQ .word 0 - .word MAKE_BRANCH(A9_RAM_BASE + 0x08, A9_RAM_BASE + 0x08) // FIQ + .word MAKE_BRANCH(A9_VECTORS_START + 0x08, A9_VECTORS_START + 0x08) // FIQ .word 0 - .word MAKE_BRANCH(A9_RAM_BASE + 0x10, A9_RAM_BASE + 0x10) // SVC + .word MAKE_BRANCH(A9_VECTORS_START + 0x10, A9_VECTORS_START + 0x10) // SVC .word 0 ldr pc, undefInstrHandlerPtr undefInstrHandlerPtr: .word undefInstrHandler @@ -205,7 +207,7 @@ @ Write bufferable bits: @ Region 0 = no @ Region 1 = yes - @ Region 2 = no <-- Never buffer IO reg writes + @ Region 2 = no <-- Never buffer IO regs @ Region 3 = yes @ Region 4 = no @ Region 5 = no @@ -224,7 +226,6 @@ deinitCpu: mov r4, lr - //bl resetCriticalHardware @ Stub vectors to endless loops mov r0, #A9_RAM_BASE @@ -240,6 +241,7 @@ ldr r1, =0x1005 @ MPU, D-Cache and I-Cache bitmask bic r0, r0, r1 @ Disable MPU, D-Cache and I-Cache mcr p15, 0, r0, c1, c0, 0 @ Write control register + mov r0, #0 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I-Cache mcr p15, 0, r0, c7, c6, 0 @ Invalidate D-Cache diff --git a/source/arm9/debug.c b/source/arm9/debug.c index 7ee5d54..e9ef7ca 100644 --- a/source/arm9/debug.c +++ b/source/arm9/debug.c @@ -4,7 +4,7 @@ #include "mem_map.h" #include "pxi.h" #include "arm9/console.h" -#include "arm9/fatfs/ff.h" +#include "fatfs/ff.h" #include "arm9/main.h" #include "arm9/interrupt.h" diff --git a/source/arm9/dev.c b/source/arm9/dev.c index fe42147..23206e2 100644 --- a/source/arm9/dev.c +++ b/source/arm9/dev.c @@ -131,7 +131,7 @@ if(!dev_sd.initialized) { // thanks yellows8 - *((vu16*)0x10000020) = *((vu16*)0x10000020) & ~0x1u | 0x200u; + *((vu16*)0x10000020) = (*((vu16*)0x10000020) & ~0x1u) | 0x200u; u32 timeout = 1526000; while(!sdmmc_sd_is_active() && timeout) --timeout; diff --git a/source/arm9/exception.s b/source/arm9/exception.s index 895ae33..5b8eb82 100644 --- a/source/arm9/exception.s +++ b/source/arm9/exception.s @@ -1,7 +1,7 @@ #include "mem_map.h" .arm -.arch armv5te +.cpu arm946e-s .fpu softvfp .global undefInstrHandler diff --git a/source/arm9/fatfs/ccsbcs.c b/source/arm9/fatfs/ccsbcs.c deleted file mode 100644 index 6fe9f87..0000000 --- a/source/arm9/fatfs/ccsbcs.c +++ /dev/null @@ -1,388 +0,0 @@ -/*------------------------------------------------------------------------*/ -/* Unicode - Local code bidirectional converter (C)ChaN, 2015 */ -/* (SBCS code pages) */ -/*------------------------------------------------------------------------*/ -/* 437 U.S. -/ 720 Arabic -/ 737 Greek -/ 771 KBL -/ 775 Baltic -/ 850 Latin 1 -/ 852 Latin 2 -/ 855 Cyrillic -/ 857 Turkish -/ 860 Portuguese -/ 861 Icelandic -/ 862 Hebrew -/ 863 Canadian French -/ 864 Arabic -/ 865 Nordic -/ 866 Russian -/ 869 Greek 2 -*/ - -#include "arm9/fatfs/ff.h" - - -#if _CODE_PAGE == 437 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP437(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, - 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, - 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 720 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP720(0x80-0xFF) to Unicode conversion table */ - 0x0000, 0x0000, 0x00E9, 0x00E2, 0x0000, 0x00E0, 0x0000, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0000, 0x0000, 0x0000, - 0x0000, 0x0651, 0x0652, 0x00F4, 0x00A4, 0x0640, 0x00FB, 0x00F9, 0x0621, 0x0622, 0x0623, 0x0624, 0x00A3, 0x0625, 0x0626, 0x0627, - 0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F, 0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x0636, 0x0637, 0x0638, 0x0639, 0x063A, 0x0641, 0x00B5, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 0x0648, 0x0649, 0x064A, - 0x2261, 0x064B, 0x064C, 0x064D, 0x064E, 0x064F, 0x0650, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 737 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP737(0x80-0xFF) to Unicode conversion table */ - 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0, - 0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8, - 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0, 0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03C9, 0x03AC, 0x03AD, 0x03AE, 0x03CA, 0x03AF, 0x03CC, 0x03CD, 0x03CB, 0x03CE, 0x0386, 0x0388, 0x0389, 0x038A, 0x038C, 0x038E, - 0x038F, 0x00B1, 0x2265, 0x2264, 0x03AA, 0x03AB, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 771 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP771(0x80-0xFF) to Unicode conversion table */ - 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, - 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, - 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x2558, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x0104, 0x0105, 0x010C, 0x010D, - 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, - 0x0118, 0x0119, 0x0116, 0x0117, 0x012E, 0x012F, 0x0160, 0x0161, 0x0172, 0x0173, 0x016A, 0x016B, 0x017D, 0x017E, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 775 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP775(0x80-0xFF) to Unicode conversion table */ - 0x0106, 0x00FC, 0x00E9, 0x0101, 0x00E4, 0x0123, 0x00E5, 0x0107, 0x0142, 0x0113, 0x0156, 0x0157, 0x012B, 0x0179, 0x00C4, 0x00C5, - 0x00C9, 0x00E6, 0x00C6, 0x014D, 0x00F6, 0x0122, 0x00A2, 0x015A, 0x015B, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x00A4, - 0x0100, 0x012A, 0x00F3, 0x017B, 0x017C, 0x017A, 0x201D, 0x00A6, 0x00A9, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x0141, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0104, 0x010C, 0x0118, 0x0116, 0x2563, 0x2551, 0x2557, 0x255D, 0x012E, 0x0160, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0172, 0x016A, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x017D, - 0x0105, 0x010D, 0x0119, 0x0117, 0x012F, 0x0161, 0x0173, 0x016B, 0x017E, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x00D3, 0x00DF, 0x014C, 0x0143, 0x00F5, 0x00D5, 0x00B5, 0x0144, 0x0136, 0x0137, 0x013B, 0x013C, 0x0146, 0x0112, 0x0145, 0x2019, - 0x00AD, 0x00B1, 0x201C, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x201E, 0x00B0, 0x2219, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 850 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP850(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, - 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0, 0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, - 0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x0131, 0x00CD, 0x00CE, 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580, - 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE, 0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4, - 0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8, 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 852 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP852(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x016F, 0x0107, 0x00E7, 0x0142, 0x00EB, 0x0150, 0x0151, 0x00EE, 0x0179, 0x00C4, 0x0106, - 0x00C9, 0x0139, 0x013A, 0x00F4, 0x00F6, 0x013D, 0x013E, 0x015A, 0x015B, 0x00D6, 0x00DC, 0x0164, 0x0165, 0x0141, 0x00D7, 0x010D, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x0104, 0x0105, 0x017D, 0x017E, 0x0118, 0x0119, 0x00AC, 0x017A, 0x010C, 0x015F, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x011A, 0x015E, 0x2563, 0x2551, 0x2557, 0x255D, 0x017B, 0x017C, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0102, 0x0103, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, - 0x0111, 0x0110, 0x010E, 0x00CB, 0x010F, 0x0147, 0x00CD, 0x00CE, 0x011B, 0x2518, 0x250C, 0x2588, 0x2584, 0x0162, 0x016E, 0x2580, - 0x00D3, 0x00DF, 0x00D4, 0x0143, 0x0144, 0x0148, 0x0160, 0x0161, 0x0154, 0x00DA, 0x0155, 0x0170, 0x00FD, 0x00DD, 0x0163, 0x00B4, - 0x00AD, 0x02DD, 0x02DB, 0x02C7, 0x02D8, 0x00A7, 0x00F7, 0x00B8, 0x00B0, 0x00A8, 0x02D9, 0x0171, 0x0158, 0x0159, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 855 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP855(0x80-0xFF) to Unicode conversion table */ - 0x0452, 0x0402, 0x0453, 0x0403, 0x0451, 0x0401, 0x0454, 0x0404, 0x0455, 0x0405, 0x0456, 0x0406, 0x0457, 0x0407, 0x0458, 0x0408, - 0x0459, 0x0409, 0x045A, 0x040A, 0x045B, 0x040B, 0x045C, 0x040C, 0x045E, 0x040E, 0x045F, 0x040F, 0x044E, 0x042E, 0x044A, 0x042A, - 0x0430, 0x0410, 0x0431, 0x0411, 0x0446, 0x0426, 0x0434, 0x0414, 0x0435, 0x0415, 0x0444, 0x0424, 0x0433, 0x0413, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0445, 0x0425, 0x0438, 0x0418, 0x2563, 0x2551, 0x2557, 0x255D, 0x0439, 0x0419, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x043A, 0x041A, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, - 0x043B, 0x041B, 0x043C, 0x041C, 0x043D, 0x041D, 0x043E, 0x041E, 0x043F, 0x2518, 0x250C, 0x2588, 0x2584, 0x041F, 0x044F, 0x2580, - 0x042F, 0x0440, 0x0420, 0x0441, 0x0421, 0x0442, 0x0422, 0x0443, 0x0423, 0x0436, 0x0416, 0x0432, 0x0412, 0x044C, 0x042C, 0x2116, - 0x00AD, 0x044B, 0x042B, 0x0437, 0x0417, 0x0448, 0x0428, 0x044D, 0x042D, 0x0449, 0x0429, 0x0447, 0x0427, 0x00A7, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 857 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP857(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0131, 0x00C4, 0x00C5, - 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x0130, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x015E, 0x015F, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x011E, 0x011F, 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0, 0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, - 0x00BA, 0x00AA, 0x00CA, 0x00CB, 0x00C8, 0x0000, 0x00CD, 0x00CE, 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580, - 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x0000, 0x00D7, 0x00DA, 0x00DB, 0x00D9, 0x00EC, 0x00FF, 0x00AF, 0x00B4, - 0x00AD, 0x00B1, 0x0000, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8, 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 860 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP860(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E3, 0x00E0, 0x00C1, 0x00E7, 0x00EA, 0x00CA, 0x00E8, 0x00CD, 0x00D4, 0x00EC, 0x00C3, 0x00C2, - 0x00C9, 0x00C0, 0x00C8, 0x00F4, 0x00F5, 0x00F2, 0x00DA, 0x00F9, 0x00CC, 0x00D5, 0x00DC, 0x00A2, 0x00A3, 0x00D9, 0x20A7, 0x00D3, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x00D2, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x2558, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, - 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 861 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP861(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E6, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00D0, 0x00F0, 0x00DE, 0x00C4, 0x00C5, - 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00FE, 0x00FB, 0x00DD, 0x00FD, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x20A7, 0x0192, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00C1, 0x00CD, 0x00D3, 0x00DA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, - 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 862 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP862(0x80-0xFF) to Unicode conversion table */ - 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7, 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF, - 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7, 0x05E8, 0x05E9, 0x05EA, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, - 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 863 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP863(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00C2, 0x00E0, 0x00B6, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x2017, 0x00C0, - 0x00C9, 0x00C8, 0x00CA, 0x00F4, 0x00CB, 0x00CF, 0x00FB, 0x00F9, 0x00A4, 0x00D4, 0x00DC, 0x00A2, 0x00A3, 0x00D9, 0x00DB, 0x0192, - 0x00A6, 0x00B4, 0x00F3, 0x00FA, 0x00A8, 0x00BB, 0x00B3, 0x00AF, 0x00CE, 0x3210, 0x00AC, 0x00BD, 0x00BC, 0x00BE, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2219, - 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 864 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP864(0x80-0xFF) to Unicode conversion table */ - 0x00B0, 0x00B7, 0x2219, 0x221A, 0x2592, 0x2500, 0x2502, 0x253C, 0x2524, 0x252C, 0x251C, 0x2534, 0x2510, 0x250C, 0x2514, 0x2518, - 0x03B2, 0x221E, 0x03C6, 0x00B1, 0x00BD, 0x00BC, 0x2248, 0x00AB, 0x00BB, 0xFEF7, 0xFEF8, 0x0000, 0x0000, 0xFEFB, 0xFEFC, 0x0000, - 0x00A0, 0x00AD, 0xFE82, 0x00A3, 0x00A4, 0xFE84, 0x0000, 0x20AC, 0xFE8E, 0xFE8F, 0xFE95, 0xFE99, 0x060C, 0xFE9D, 0xFEA1, 0xFEA5, - 0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667, 0x0668, 0x0669, 0xFED1, 0x061B, 0xFEB1, 0xFEB5, 0xFEB9, 0x061F, - 0x00A2, 0xFE80, 0xFE81, 0xFE83, 0xFE85, 0xFECA, 0xFE8B, 0xFE8D, 0xFE91, 0xFE93, 0xFE97, 0xFE9B, 0xFE9F, 0xFEA3, 0xFEA7, 0xFEA9, - 0xFEAB, 0xFEAD, 0xFEAF, 0xFEB3, 0xFEB7, 0xFEBB, 0xFEBF, 0xFEC1, 0xFEC5, 0xFECB, 0xFECF, 0x00A6, 0x00AC, 0x00F7, 0x00D7, 0xFEC9, - 0x0640, 0xFED3, 0xFED7, 0xFEDB, 0xFEDF, 0xFEE3, 0xFEE7, 0xFEEB, 0xFEED, 0xFEEF, 0xFEF3, 0xFEBD, 0xFECC, 0xFECE, 0xFECD, 0xFEE1, - 0xFE7D, 0x0651, 0xFEE5, 0xFEE9, 0xFEEC, 0xFEF0, 0xFEF2, 0xFED0, 0xFED5, 0xFEF5, 0xFEF6, 0xFEDD, 0xFED9, 0xFEF1, 0x25A0, 0x0000 -}; - -#elif _CODE_PAGE == 865 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP865(0x80-0xFF) to Unicode conversion table */ - 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, - 0x00C5, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x20A7, 0x0192, - 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00A4, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x2558, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, - 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 866 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP866(0x80-0xFF) to Unicode conversion table */ - 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, - 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, - 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, - 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, - 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, - 0x0401, 0x0451, 0x0404, 0x0454, 0x0407, 0x0457, 0x040E, 0x045E, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x2116, 0x00A4, 0x25A0, 0x00A0 -}; - -#elif _CODE_PAGE == 869 -#define _TBLDEF 1 -static -const WCHAR Tbl[] = { /* CP869(0x80-0xFF) to Unicode conversion table */ - 0x00B7, 0x00B7, 0x00B7, 0x00B7, 0x00B7, 0x00B7, 0x0386, 0x00B7, 0x00B7, 0x00AC, 0x00A6, 0x2018, 0x2019, 0x0388, 0x2015, 0x0389, - 0x038A, 0x03AA, 0x038C, 0x00B7, 0x00B7, 0x038E, 0x03AB, 0x00A9, 0x038F, 0x00B2, 0x00B3, 0x03AC, 0x00A3, 0x03AD, 0x03AE, 0x03AF, - 0x03CA, 0x0390, 0x03CC, 0x03CD, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x00BD, 0x0398, 0x0399, 0x00AB, 0x00BB, - 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x039A, 0x039B, 0x039C, 0x039D, 0x2563, 0x2551, 0x2557, 0x255D, 0x039E, 0x039F, 0x2510, - 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0A30, 0x03A1, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x03A3, - 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9, 0x03B1, 0x03B2, 0x03B3, 0x2518, 0x250C, 0x2588, 0x2584, 0x03B4, 0x03B5, 0x2580, - 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0, 0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x0384, - 0x00AD, 0x00B1, 0x03C5, 0x03C6, 0x03C7, 0x00A7, 0x03C8, 0x0385, 0x00B0, 0x00A8, 0x03C9, 0x03CB, 0x03B0, 0x03CE, 0x25A0, 0x00A0 -}; - -#endif - - -#if !_TBLDEF || !_USE_LFN -#error This file is not needed at current configuration. Remove from the project. -#endif - - - - -WCHAR ff_convert ( /* Converted character, Returns zero on error */ - WCHAR chr, /* Character code to be converted */ - UINT dir /* 0: Unicode to OEM code, 1: OEM code to Unicode */ -) -{ - WCHAR c; - - - if (chr < 0x80) { /* ASCII */ - c = chr; - - } else { - if (dir) { /* OEM code to Unicode */ - c = (chr >= 0x100) ? 0 : Tbl[chr - 0x80]; - - } else { /* Unicode to OEM code */ - for (c = 0; c < 0x80; c++) { - if (chr == Tbl[c]) break; - } - c = (c + 0x80) & 0xFF; - } - } - - return c; -} - - - -WCHAR ff_wtoupper ( /* Returns upper converted character */ - WCHAR chr /* Unicode character to be upper converted (BMP only) */ -) -{ - /* Compressed upper conversion table */ - static const WCHAR cvt1[] = { /* U+0000 - U+0FFF */ - /* Basic Latin */ - 0x0061,0x031A, - /* Latin-1 Supplement */ - 0x00E0,0x0317, 0x00F8,0x0307, 0x00FF,0x0001,0x0178, - /* Latin Extended-A */ - 0x0100,0x0130, 0x0132,0x0106, 0x0139,0x0110, 0x014A,0x012E, 0x0179,0x0106, - /* Latin Extended-B */ - 0x0180,0x004D,0x0243,0x0181,0x0182,0x0182,0x0184,0x0184,0x0186,0x0187,0x0187,0x0189,0x018A,0x018B,0x018B,0x018D,0x018E,0x018F,0x0190,0x0191,0x0191,0x0193,0x0194,0x01F6,0x0196,0x0197,0x0198,0x0198,0x023D,0x019B,0x019C,0x019D,0x0220,0x019F,0x01A0,0x01A0,0x01A2,0x01A2,0x01A4,0x01A4,0x01A6,0x01A7,0x01A7,0x01A9,0x01AA,0x01AB,0x01AC,0x01AC,0x01AE,0x01AF,0x01AF,0x01B1,0x01B2,0x01B3,0x01B3,0x01B5,0x01B5,0x01B7,0x01B8,0x01B8,0x01BA,0x01BB,0x01BC,0x01BC,0x01BE,0x01F7,0x01C0,0x01C1,0x01C2,0x01C3,0x01C4,0x01C5,0x01C4,0x01C7,0x01C8,0x01C7,0x01CA,0x01CB,0x01CA, - 0x01CD,0x0110, 0x01DD,0x0001,0x018E, 0x01DE,0x0112, 0x01F3,0x0003,0x01F1,0x01F4,0x01F4, 0x01F8,0x0128, - 0x0222,0x0112, 0x023A,0x0009,0x2C65,0x023B,0x023B,0x023D,0x2C66,0x023F,0x0240,0x0241,0x0241, 0x0246,0x010A, - /* IPA Extensions */ - 0x0253,0x0040,0x0181,0x0186,0x0255,0x0189,0x018A,0x0258,0x018F,0x025A,0x0190,0x025C,0x025D,0x025E,0x025F,0x0193,0x0261,0x0262,0x0194,0x0264,0x0265,0x0266,0x0267,0x0197,0x0196,0x026A,0x2C62,0x026C,0x026D,0x026E,0x019C,0x0270,0x0271,0x019D,0x0273,0x0274,0x019F,0x0276,0x0277,0x0278,0x0279,0x027A,0x027B,0x027C,0x2C64,0x027E,0x027F,0x01A6,0x0281,0x0282,0x01A9,0x0284,0x0285,0x0286,0x0287,0x01AE,0x0244,0x01B1,0x01B2,0x0245,0x028D,0x028E,0x028F,0x0290,0x0291,0x01B7, - /* Greek, Coptic */ - 0x037B,0x0003,0x03FD,0x03FE,0x03FF, 0x03AC,0x0004,0x0386,0x0388,0x0389,0x038A, 0x03B1,0x0311, - 0x03C2,0x0002,0x03A3,0x03A3, 0x03C4,0x0308, 0x03CC,0x0003,0x038C,0x038E,0x038F, 0x03D8,0x0118, - 0x03F2,0x000A,0x03F9,0x03F3,0x03F4,0x03F5,0x03F6,0x03F7,0x03F7,0x03F9,0x03FA,0x03FA, - /* Cyrillic */ - 0x0430,0x0320, 0x0450,0x0710, 0x0460,0x0122, 0x048A,0x0136, 0x04C1,0x010E, 0x04CF,0x0001,0x04C0, 0x04D0,0x0144, - /* Armenian */ - 0x0561,0x0426, - - 0x0000 - }; - static const WCHAR cvt2[] = { /* U+1000 - U+FFFF */ - /* Phonetic Extensions */ - 0x1D7D,0x0001,0x2C63, - /* Latin Extended Additional */ - 0x1E00,0x0196, 0x1EA0,0x015A, - /* Greek Extended */ - 0x1F00,0x0608, 0x1F10,0x0606, 0x1F20,0x0608, 0x1F30,0x0608, 0x1F40,0x0606, - 0x1F51,0x0007,0x1F59,0x1F52,0x1F5B,0x1F54,0x1F5D,0x1F56,0x1F5F, 0x1F60,0x0608, - 0x1F70,0x000E,0x1FBA,0x1FBB,0x1FC8,0x1FC9,0x1FCA,0x1FCB,0x1FDA,0x1FDB,0x1FF8,0x1FF9,0x1FEA,0x1FEB,0x1FFA,0x1FFB, - 0x1F80,0x0608, 0x1F90,0x0608, 0x1FA0,0x0608, 0x1FB0,0x0004,0x1FB8,0x1FB9,0x1FB2,0x1FBC, - 0x1FCC,0x0001,0x1FC3, 0x1FD0,0x0602, 0x1FE0,0x0602, 0x1FE5,0x0001,0x1FEC, 0x1FF2,0x0001,0x1FFC, - /* Letterlike Symbols */ - 0x214E,0x0001,0x2132, - /* Number forms */ - 0x2170,0x0210, 0x2184,0x0001,0x2183, - /* Enclosed Alphanumerics */ - 0x24D0,0x051A, 0x2C30,0x042F, - /* Latin Extended-C */ - 0x2C60,0x0102, 0x2C67,0x0106, 0x2C75,0x0102, - /* Coptic */ - 0x2C80,0x0164, - /* Georgian Supplement */ - 0x2D00,0x0826, - /* Full-width */ - 0xFF41,0x031A, - - 0x0000 - }; - const WCHAR *p; - WCHAR bc, nc, cmd; - - - p = chr < 0x1000 ? cvt1 : cvt2; - for (;;) { - bc = *p++; /* Get block base */ - if (!bc || chr < bc) break; - nc = *p++; cmd = nc >> 8; nc &= 0xFF; /* Get processing command and block size */ - if (chr < bc + nc) { /* In the block? */ - switch (cmd) { - case 0: chr = p[chr - bc]; break; /* Table conversion */ - case 1: chr -= (chr - bc) & 1; break; /* Case pairs */ - case 2: chr -= 16; break; /* Shift -16 */ - case 3: chr -= 32; break; /* Shift -32 */ - case 4: chr -= 48; break; /* Shift -48 */ - case 5: chr -= 26; break; /* Shift -26 */ - case 6: chr += 8; break; /* Shift +8 */ - case 7: chr -= 80; break; /* Shift -80 */ - case 8: chr -= 0x1C60; break; /* Shift -0x1C60 */ - } - break; - } - if (!cmd) p += nc; - } - - return chr; -} - diff --git a/source/arm9/fatfs/diskio.c b/source/arm9/fatfs/diskio.c deleted file mode 100644 index 8ce898d..0000000 --- a/source/arm9/fatfs/diskio.c +++ /dev/null @@ -1,171 +0,0 @@ -/*-----------------------------------------------------------------------*/ -/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2014 */ -/*-----------------------------------------------------------------------*/ -/* If a working storage control module is available, it should be */ -/* attached to the FatFs via a glue function rather than modifying it. */ -/*-----------------------------------------------------------------------*/ - -#include "arm9/fatfs/ff.h" -#include "arm9/fatfs/diskio.h" /* FatFs lower layer API */ -#include "types.h" -#include "arm9/dev.h" - - - -// Get's set externally in dev.c -u32 ctr_nand_sector; - -PARTITION VolToPart[] = { - {0, 0}, /* Logical drive 0 ==> Physical drive 0, autodetect partitiion */ - {1, 1}, /* Logical drive 1 ==> Physical drive 1, 1st partition */ - {1, 2}, /* Logical drive 2 ==> Physical drive 1, 2nd partition */ - {2, 1} /* Logical drive 3 ==> Physical drive 2, 1st partition */ -}; - -/*-----------------------------------------------------------------------*/ -/* Get Drive Status */ -/*-----------------------------------------------------------------------*/ - -DSTATUS disk_status ( - UNUSED BYTE pdrv /* Physical drive nmuber to identify the drive */ -) -{ - return 0; -} - -/*-----------------------------------------------------------------------*/ -/* Initialize a Drive */ -/*-----------------------------------------------------------------------*/ - -DSTATUS disk_initialize ( - BYTE pdrv /* Physical drive number to identify the drive */ -) -{ - switch(pdrv) - { - case FATFS_DEV_NUM_SD: - if(!dev_sdcard->init()) return STA_NOINIT; - break; - case FATFS_DEV_NUM_TWL_NAND: - if(!dev_decnand->init()) return STA_NOINIT; - break; - case FATFS_DEV_NUM_CTR_NAND: - if(!dev_decnand->init()) return STA_NOINIT; - break; - default: - return STA_NOINIT | STA_NODISK; - } - - return 0; -} - -/*-----------------------------------------------------------------------*/ -/* Read Sector(s) */ -/*-----------------------------------------------------------------------*/ - -DRESULT disk_read ( - BYTE pdrv, /* Physical drive nmuber to identify the drive */ - BYTE *buff, /* Data buffer to store read data */ - DWORD sector, /* Sector address in LBA */ - UINT count /* Number of sectors to read */ -) -{ - switch(pdrv) - { - case FATFS_DEV_NUM_SD: - if(!dev_sdcard->read_sector((u32)sector, (u32)count, buff)) return RES_ERROR; - break; - case FATFS_DEV_NUM_TWL_NAND: - if(!dev_decnand->read_sector((u32)sector, (u32)count, buff)) return RES_ERROR; - break; - case FATFS_DEV_NUM_CTR_NAND: - if(!dev_decnand->read_sector(ctr_nand_sector + (u32)sector, (u32)count, buff)) return RES_ERROR; - break; - default: - return RES_PARERR; - } - - return RES_OK; -} - - - -/*-----------------------------------------------------------------------*/ -/* Write Sector(s) */ -/*-----------------------------------------------------------------------*/ - -DRESULT disk_write ( - BYTE pdrv, /* Physical drive nmuber to identify the drive */ - const BYTE *buff, /* Data to be written */ - DWORD sector, /* Sector address in LBA */ - UINT count /* Number of sectors to write */ -) -{ - switch(pdrv) - { - case FATFS_DEV_NUM_SD: - if(!dev_sdcard->write_sector((u32)sector, (u32)count, buff)) return RES_ERROR; - break; - case FATFS_DEV_NUM_TWL_NAND: - if(!dev_decnand->write_sector((u32)sector, (u32)count, buff)) return RES_ERROR; - break; - case FATFS_DEV_NUM_CTR_NAND: - if(!dev_decnand->write_sector(ctr_nand_sector + (u32)sector, (u32)count, buff)) return RES_ERROR; - break; - default: - return RES_PARERR; - } - - return RES_OK; -} - -/*-----------------------------------------------------------------------*/ -/* Miscellaneous Functions */ -/*-----------------------------------------------------------------------*/ - -DRESULT disk_ioctl ( - BYTE pdrv, /* Physical drive nmuber (0..) */ - BYTE cmd, /* Control code */ - void *buff /* Buffer to send/receive control data */ -) -{ - const dev_struct *dev; - - switch(pdrv) - { - case FATFS_DEV_NUM_SD: - dev = dev_sdcard; - break; - case FATFS_DEV_NUM_TWL_NAND: - dev = dev_decnand; - break; - case FATFS_DEV_NUM_CTR_NAND: - dev = dev_decnand; - break; - default: - return RES_PARERR; - } - - switch(cmd) - { - case GET_SECTOR_COUNT: - if(dev->get_sector_count) - { - *(DWORD*)buff = dev->get_sector_count(); - break; - } - return RES_NOTRDY; - case GET_SECTOR_SIZE: - *(WORD*)buff = 512; - break; - case GET_BLOCK_SIZE: - *(DWORD*)buff = 0x800; // Default to 1 MB - case CTRL_TRIM: - case CTRL_SYNC: - break; - default: - return RES_PARERR; - } - - return RES_OK; -} diff --git a/source/arm9/fatfs/ff.c b/source/arm9/fatfs/ff.c deleted file mode 100644 index 5a50475..0000000 --- a/source/arm9/fatfs/ff.c +++ /dev/null @@ -1,6032 +0,0 @@ -/*----------------------------------------------------------------------------/ -/ FatFs - Generic FAT file system module R0.12a / -/-----------------------------------------------------------------------------/ -/ -/ Copyright (C) 2016, ChaN, all right reserved. -/ -/ FatFs module is an open source software. Redistribution and use of FatFs in -/ source and binary forms, with or without modification, are permitted provided -/ that the following condition is met: - -/ 1. Redistributions of source code must retain the above copyright notice, -/ this condition and the following disclaimer. -/ -/ This software is provided by the copyright holder and contributors "AS IS" -/ and any warranties related to this software are DISCLAIMED. -/ The copyright owner or contributors be NOT LIABLE for any damages caused -/ by use of this software. -/----------------------------------------------------------------------------*/ - - -#include "arm9/fatfs/ff.h" /* Declarations of FatFs API */ -#include "arm9/fatfs/diskio.h" /* Declarations of device I/O functions */ - - -/*-------------------------------------------------------------------------- - - Module Private Definitions - ----------------------------------------------------------------------------*/ - -#if _FATFS != 80186 /* Revision ID */ -#error Wrong include file (ff.h). -#endif - - -#define ABORT(fs, res) { fp->err = (BYTE)(res); LEAVE_FF(fs, res); } - - -/* Reentrancy related */ -#if _FS_REENTRANT -#if _USE_LFN == 1 -#error Static LFN work area cannot be used at thread-safe configuration -#endif -#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; } -#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; } -#else -#define ENTER_FF(fs) -#define LEAVE_FF(fs, res) return res -#endif - - - -/* Definitions of sector size */ -#if (_MAX_SS < _MIN_SS) || (_MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096) || (_MIN_SS != 512 && _MIN_SS != 1024 && _MIN_SS != 2048 && _MIN_SS != 4096) -#error Wrong sector size configuration -#endif -#if _MAX_SS == _MIN_SS -#define SS(fs) ((UINT)_MAX_SS) /* Fixed sector size */ -#else -#define SS(fs) ((fs)->ssize) /* Variable sector size */ -#endif - - -/* Timestamp */ -#if _FS_NORTC == 1 -#if _NORTC_YEAR < 1980 || _NORTC_YEAR > 2107 || _NORTC_MON < 1 || _NORTC_MON > 12 || _NORTC_MDAY < 1 || _NORTC_MDAY > 31 -#error Invalid _FS_NORTC settings -#endif -#define GET_FATTIME() ((DWORD)(_NORTC_YEAR - 1980) << 25 | (DWORD)_NORTC_MON << 21 | (DWORD)_NORTC_MDAY << 16) -#else -#define GET_FATTIME() get_fattime() -#endif - - -/* File lock controls */ -#if _FS_LOCK != 0 -#if _FS_READONLY -#error _FS_LOCK must be 0 at read-only configuration -#endif -typedef struct { - FATFS *fs; /* Object ID 1, volume (NULL:blank entry) */ - DWORD clu; /* Object ID 2, directory (0:root) */ - DWORD ofs; /* Object ID 3, directory offset */ - WORD ctr; /* Object open counter, 0:none, 0x01..0xFF:read mode open count, 0x100:write mode */ -} FILESEM; -#endif - - - -/* DBCS code ranges and SBCS upper conversion tables */ - -#if _CODE_PAGE == 932 /* Japanese Shift-JIS */ -#define _DF1S 0x81 /* DBC 1st byte range 1 start */ -#define _DF1E 0x9F /* DBC 1st byte range 1 end */ -#define _DF2S 0xE0 /* DBC 1st byte range 2 start */ -#define _DF2E 0xFC /* DBC 1st byte range 2 end */ -#define _DS1S 0x40 /* DBC 2nd byte range 1 start */ -#define _DS1E 0x7E /* DBC 2nd byte range 1 end */ -#define _DS2S 0x80 /* DBC 2nd byte range 2 start */ -#define _DS2E 0xFC /* DBC 2nd byte range 2 end */ - -#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x40 -#define _DS1E 0x7E -#define _DS2S 0x80 -#define _DS2E 0xFE - -#elif _CODE_PAGE == 949 /* Korean */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x41 -#define _DS1E 0x5A -#define _DS2S 0x61 -#define _DS2E 0x7A -#define _DS3S 0x81 -#define _DS3E 0xFE - -#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */ -#define _DF1S 0x81 -#define _DF1E 0xFE -#define _DS1S 0x40 -#define _DS1E 0x7E -#define _DS2S 0xA1 -#define _DS2E 0xFE - -#elif _CODE_PAGE == 437 /* U.S. */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x45,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 720 /* Arabic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 737 /* Greek */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \ - 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xEF,0xF5,0xF0,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 771 /* KBL */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDC,0xDE,0xDE, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFE,0xFF} - -#elif _CODE_PAGE == 775 /* Baltic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F, \ - 0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 850 /* Latin 1 */ -#define _DF1S 0 -#define _EXCVT {0x43,0x55,0x45,0x41,0x41,0x41,0x41,0x43,0x45,0x45,0x45,0x49,0x49,0x49,0x41,0x41, \ - 0x45,0x92,0x92,0x4F,0x4F,0x4F,0x55,0x55,0x59,0x4F,0x55,0x4F,0x9C,0x4F,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0x41,0x41,0x41,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0x41,0x41,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD1,0xD1,0x45,0x45,0x45,0x49,0x49,0x49,0x49,0xD9,0xDA,0xDB,0xDC,0xDD,0x49,0xDF, \ - 0x4F,0xE1,0x4F,0x4F,0x4F,0x4F,0xE6,0xE8,0xE8,0x55,0x55,0x55,0x59,0x59,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 852 /* Latin 2 */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0xAC, \ - 0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF} - -#elif _CODE_PAGE == 855 /* Cyrillic */ -#define _DF1S 0 -#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F, \ - 0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \ - 0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \ - 0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF, \ - 0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 857 /* Turkish */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \ - 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0x49,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 860 /* Portuguese */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x8F,0x8E,0x91,0x86,0x80,0x89,0x89,0x92,0x8B,0x8C,0x98,0x8E,0x8F, \ - 0x90,0x91,0x92,0x8C,0x99,0xA9,0x96,0x9D,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x86,0x8B,0x9F,0x96,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 861 /* Icelandic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x8B,0x8B,0x8D,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x8D,0x55,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ - 0xA4,0xA5,0xA6,0xA7,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 862 /* Hebrew */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 863 /* Canadian-French */ -#define _DF1S 0 -#define _EXCVT {0x43,0x55,0x45,0x41,0x41,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x41,0x8F, \ - 0x45,0x45,0x45,0x4F,0x45,0x49,0x55,0x55,0x98,0x4F,0x55,0x9B,0x9C,0x55,0x55,0x9F, \ - 0xA0,0xA1,0x4F,0x55,0xA4,0xA5,0xA6,0xA7,0x49,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 864 /* Arabic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x45,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 865 /* Nordic */ -#define _DF1S 0 -#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ - 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ - 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 866 /* Russian */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ - 0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ - 0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} - -#elif _CODE_PAGE == 869 /* Greek 2 */ -#define _DF1S 0 -#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ - 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x86,0x9C,0x8D,0x8F,0x90, \ - 0x91,0x90,0x92,0x95,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ - 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ - 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ - 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xA4,0xA5,0xA6,0xD9,0xDA,0xDB,0xDC,0xA7,0xA8,0xDF, \ - 0xA9,0xAA,0xAC,0xAD,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xCF,0xCF,0xD0,0xEF, \ - 0xF0,0xF1,0xD1,0xD2,0xD3,0xF5,0xD4,0xF7,0xF8,0xF9,0xD5,0x96,0x95,0x98,0xFE,0xFF} - -#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */ -#if _USE_LFN != 0 -#error Cannot enable LFN without valid code page. -#endif -#define _DF1S 0 - -#else -#error Unknown code page - -#endif - - -/* Character code support macros */ -#define IsUpper(c) (((c)>='A')&&((c)<='Z')) -#define IsLower(c) (((c)>='a')&&((c)<='z')) -#define IsDigit(c) (((c)>='0')&&((c)<='9')) - -#if _DF1S != 0 /* Code page is DBCS */ - -#ifdef _DF2S /* Two 1st byte areas */ -#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E)) -#else /* One 1st byte area */ -#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) -#endif - -#ifdef _DS3S /* Three 2nd byte areas */ -#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E)) -#else /* Two 2nd byte areas */ -#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E)) -#endif - -#else /* Code page is SBCS */ - -#define IsDBCS1(c) 0 -#define IsDBCS2(c) 0 - -#endif /* _DF1S */ - - -/* File attribute bits (internal use) */ -#define AM_VOL 0x08 /* Volume label */ -#define AM_LFN 0x0F /* LFN entry */ -#define AM_MASK 0x3F /* Mask of defined bits */ - - -/* File access control and file status flags (internal use) */ -#define FA_SEEKEND 0x20 /* Seek to end of the file on file open */ -#define FA_MODIFIED 0x40 /* File has been modified */ -#define FA_DIRTY 0x80 /* FIL.buf[] needs to be written-back */ - - -/* Name status flags */ -#define NSFLAG 11 /* Index of name status byte in fn[] */ -#define NS_LOSS 0x01 /* Out of 8.3 format */ -#define NS_LFN 0x02 /* Force to create LFN entry */ -#define NS_LAST 0x04 /* Last segment */ -#define NS_BODY 0x08 /* Lower case flag (body) */ -#define NS_EXT 0x10 /* Lower case flag (ext) */ -#define NS_DOT 0x20 /* Dot entry */ -#define NS_NOLFN 0x40 /* Do not find LFN */ -#define NS_NONAME 0x80 /* Not followed */ - - -/* Limits and boundaries (differ from specs but correct for real DOS/Windows) */ -#define MAX_FAT12 0xFF5 /* Maximum number of FAT12 clusters */ -#define MAX_FAT16 0xFFF5 /* Maximum number of FAT16 clusters */ -#define MAX_FAT32 0xFFFFFF5 /* Maximum number of FAT32 clusters */ -#define MAX_EXFAT 0x7FFFFFFD /* Maximum number of exFAT clusters (limited by implementation) */ -#define MAX_DIR 0x200000 /* Maximum size of FAT directory */ -#define MAX_DIR_EX 0x10000000 /* Maximum size of exFAT directory */ - - -/* FatFs refers the members in the FAT structures as byte array instead of -/ structure members because the structure is not binary compatible between -/ different platforms */ - -#define BS_JmpBoot 0 /* x86 jump instruction (3-byte) */ -#define BS_OEMName 3 /* OEM name (8-byte) */ -#define BPB_BytsPerSec 11 /* Sector size [byte] (WORD) */ -#define BPB_SecPerClus 13 /* Cluster size [sector] (BYTE) */ -#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (WORD) */ -#define BPB_NumFATs 16 /* Number of FATs (BYTE) */ -#define BPB_RootEntCnt 17 /* Size of root directory area for FAT12/16 [entry] (WORD) */ -#define BPB_TotSec16 19 /* Volume size (16-bit) [sector] (WORD) */ -#define BPB_Media 21 /* Media descriptor (BYTE) */ -#define BPB_FATSz16 22 /* FAT size (16-bit) [sector] (WORD) */ -#define BPB_SecPerTrk 24 /* Track size for int13h [sector] (WORD) */ -#define BPB_NumHeads 26 /* Number of heads for int13h (WORD) */ -#define BPB_HiddSec 28 /* Volume offset from top of the drive (DWORD) */ -#define BPB_TotSec32 32 /* Volume size (32-bit) [sector] (DWORD) */ -#define BS_DrvNum 36 /* Physical drive number for int13h (BYTE) */ -#define BS_NTres 37 /* Error flag (BYTE) */ -#define BS_BootSig 38 /* Extended boot signature (BYTE) */ -#define BS_VolID 39 /* Volume serial number (DWORD) */ -#define BS_VolLab 43 /* Volume label string (8-byte) */ -#define BS_FilSysType 54 /* File system type string (8-byte) */ -#define BS_BootCode 62 /* Boot code (448-byte) */ - -#define BPB_FATSz32 36 /* FAT32: FAT size [sector] (DWORD) */ -#define BPB_ExtFlags32 40 /* FAT32: Extended flags (WORD) */ -#define BPB_FSVer32 42 /* FAT32: File system version (WORD) */ -#define BPB_RootClus32 44 /* FAT32: Root directory cluster (DWORD) */ -#define BPB_FSInfo32 48 /* FAT32: Offset of FSINFO sector (WORD) */ -#define BPB_BkBootSec32 50 /* FAT32: Offset of backup boot sector (WORD) */ -#define BS_DrvNum32 64 /* FAT32: Physical drive number for int13h (BYTE) */ -#define BS_NTres32 65 /* FAT32: Error flag (BYTE) */ -#define BS_BootSig32 66 /* FAT32: Extended boot signature (BYTE) */ -#define BS_VolID32 67 /* FAT32: Volume serial number (DWORD) */ -#define BS_VolLab32 71 /* FAT32: Volume label string (8-byte) */ -#define BS_FilSysType32 82 /* FAT32: File system type string (8-byte) */ -#define BS_BootCode32 90 /* FAT32: Boot code (420-byte) */ - -#define BPB_ZeroedEx 11 /* exFAT: MBZ field (53-byte) */ -#define BPB_VolOfsEx 64 /* exFAT: Volume offset from top of the drive [sector] (QWORD) */ -#define BPB_TotSecEx 72 /* exFAT: Volume size [sector] (QWORD) */ -#define BPB_FatOfsEx 80 /* exFAT: FAT offset from top of the volume [sector] (DWORD) */ -#define BPB_FatSzEx 84 /* exFAT: FAT size [sector] (DWORD) */ -#define BPB_DataOfsEx 88 /* exFAT: Data offset from top of the volume [sector] (DWORD) */ -#define BPB_NumClusEx 92 /* exFAT: Number of clusters (DWORD) */ -#define BPB_RootClusEx 96 /* exFAT: Root directory cluster (DWORD) */ -#define BPB_VolIDEx 100 /* exFAT: Volume serial number (DWORD) */ -#define BPB_FSVerEx 104 /* exFAT: File system version (WORD) */ -#define BPB_VolFlagEx 106 /* exFAT: Volume flags (BYTE) */ -#define BPB_ActFatEx 107 /* exFAT: Active FAT flags (BYTE) */ -#define BPB_BytsPerSecEx 108 /* exFAT: Log2 of sector size in byte (BYTE) */ -#define BPB_SecPerClusEx 109 /* exFAT: Log2 of cluster size in sector (BYTE) */ -#define BPB_NumFATsEx 110 /* exFAT: Number of FATs (BYTE) */ -#define BPB_DrvNumEx 111 /* exFAT: Physical drive number for int13h (BYTE) */ -#define BPB_PercInUseEx 112 /* exFAT: Percent in use (BYTE) */ -#define BPB_RsvdEx 113 /* exFAT: Reserved (7-byte) */ -#define BS_BootCodeEx 120 /* exFAT: Boot code (390-byte) */ - -#define FSI_LeadSig 0 /* FAT32 FSI: Leading signature (DWORD) */ -#define FSI_StrucSig 484 /* FAT32 FSI: Structure signature (DWORD) */ -#define FSI_Free_Count 488 /* FAT32 FSI: Number of free clusters (DWORD) */ -#define FSI_Nxt_Free 492 /* FAT32 FSI: Last allocated cluster (DWORD) */ - -#define MBR_Table 446 /* MBR: Offset of partition table in the MBR */ -#define SZ_PTE 16 /* MBR: Size of a partition table entry */ -#define PTE_Boot 0 /* MBR PTE: Boot indicator */ -#define PTE_StHead 1 /* MBR PTE: Start head */ -#define PTE_StSec 2 /* MBR PTE: Start sector */ -#define PTE_StCyl 3 /* MBR PTE: Start cylinder */ -#define PTE_System 4 /* MBR PTE: System ID */ -#define PTE_EdHead 5 /* MBR PTE: End head */ -#define PTE_EdSec 6 /* MBR PTE: End sector */ -#define PTE_EdCyl 7 /* MBR PTE: End cylinder */ -#define PTE_StLba 8 /* MBR PTE: Start in LBA */ -#define PTE_SizLba 12 /* MBR PTE: Size in LBA */ - -#define BS_55AA 510 /* Signature word (WORD) */ - -#define DIR_Name 0 /* Short file name (11-byte) */ -#define DIR_Attr 11 /* Attribute (BYTE) */ -#define DIR_NTres 12 /* Lower case flag (BYTE) */ -#define DIR_CrtTime10 13 /* Created time sub-second (BYTE) */ -#define DIR_CrtTime 14 /* Created time (DWORD) */ -#define DIR_LstAccDate 18 /* Last accessed date (WORD) */ -#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (WORD) */ -#define DIR_ModTime 22 /* Modified time (DWORD) */ -#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (WORD) */ -#define DIR_FileSize 28 /* File size (DWORD) */ -#define LDIR_Ord 0 /* LFN entry order and LLE flag (BYTE) */ -#define LDIR_Attr 11 /* LFN attribute (BYTE) */ -#define LDIR_Type 12 /* LFN type (BYTE) */ -#define LDIR_Chksum 13 /* Checksum of the SFN entry (BYTE) */ -#define LDIR_FstClusLO 26 /* Must be zero (WORD) */ -#define XDIR_Type 0 /* Type of exFAT directory entry (BYTE) */ -#define XDIR_NumLabel 1 /* Number of volume label characters (BYTE) */ -#define XDIR_Label 2 /* Volume label (11-WORD) */ -#define XDIR_CaseSum 4 /* Sum of case conversion table (DWORD) */ -#define XDIR_NumSec 1 /* Number of secondary entries (BYTE) */ -#define XDIR_SetSum 2 /* Sum of the set of directory entries (WORD) */ -#define XDIR_Attr 4 /* File attribute (WORD) */ -#define XDIR_CrtTime 8 /* Created time (DWORD) */ -#define XDIR_ModTime 12 /* Modified time (DWORD) */ -#define XDIR_AccTime 16 /* Last accessed time (DWORD) */ -#define XDIR_CrtTime10 20 /* Created time subsecond (BYTE) */ -#define XDIR_ModTime10 21 /* Modified time subsecond (BYTE) */ -#define XDIR_CrtTZ 22 /* Created timezone (BYTE) */ -#define XDIR_ModTZ 23 /* Modified timezone (BYTE) */ -#define XDIR_AccTZ 24 /* Last accessed timezone (BYTE) */ -#define XDIR_GenFlags 33 /* Gneral secondary flags (WORD) */ -#define XDIR_NumName 35 /* Number of file name characters (BYTE) */ -#define XDIR_NameHash 36 /* Hash of file name (WORD) */ -#define XDIR_ValidFileSize 40 /* Valid file size (QWORD) */ -#define XDIR_FstClus 52 /* First cluster of the file data (DWORD) */ -#define XDIR_FileSize 56 /* File/Directory size (QWORD) */ - -#define SZDIRE 32 /* Size of a directory entry */ -#define LLEF 0x40 /* Last long entry flag in LDIR_Ord */ -#define DDEM 0xE5 /* Deleted directory entry mark set to DIR_Name[0] */ -#define RDDEM 0x05 /* Replacement of the character collides with DDEM */ - - - - - -/*-------------------------------------------------------------------------- - - Module Private Work Area - ----------------------------------------------------------------------------*/ - -/* Remark: Variables here without initial value shall be guaranteed zero/null -/ at start-up. If not, either the linker or start-up routine being used is -/ not compliance with C standard. */ - -#if _VOLUMES < 1 || _VOLUMES > 9 -#error Wrong _VOLUMES setting -#endif -static FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */ -static WORD Fsid; /* File system mount ID */ - -#if _FS_RPATH != 0 && _VOLUMES >= 2 -static BYTE CurrVol; /* Current drive */ -#endif - -#if _FS_LOCK != 0 -static FILESEM Files[_FS_LOCK]; /* Open object lock semaphores */ -#endif - -#if _USE_LFN == 0 /* Non-LFN configuration */ -#define DEF_NAMBUF -#define INIT_NAMBUF(fs) -#define FREE_NAMBUF() -#else -#if _MAX_LFN < 12 || _MAX_LFN > 255 -#error Wrong _MAX_LFN setting -#endif - -#if _USE_LFN == 1 /* LFN enabled with static working buffer */ -#if _FS_EXFAT -static BYTE DirBuf[SZDIRE*19]; /* Directory entry block scratchpad buffer (19 entries in size) */ -#endif -static WCHAR LfnBuf[_MAX_LFN+1]; /* LFN enabled with static working buffer */ -#define DEF_NAMBUF -#define INIT_NAMBUF(fs) -#define FREE_NAMBUF() - -#elif _USE_LFN == 2 /* LFN enabled with dynamic working buffer on the stack */ -#if _FS_EXFAT -#define DEF_NAMBUF WCHAR lbuf[_MAX_LFN+1]; BYTE dbuf[SZDIRE*19]; -#define INIT_NAMBUF(fs) { (fs)->lfnbuf = lbuf; (fs)->dirbuf = dbuf; } -#define FREE_NAMBUF() -#else -#define DEF_NAMBUF WCHAR lbuf[_MAX_LFN+1]; -#define INIT_NAMBUF(fs) { (fs)->lfnbuf = lbuf; } -#define FREE_NAMBUF() -#endif - -#elif _USE_LFN == 3 /* LFN enabled with dynamic working buffer on the heap */ -#if _FS_EXFAT -#define DEF_NAMBUF WCHAR *lfn; -#define INIT_NAMBUF(fs) { lfn = ff_memalloc((_MAX_LFN+1)*2 + SZDIRE*19); if (!lfn) LEAVE_FF(fs, FR_NOT_ENOUGH_CORE); (fs)->lfnbuf = lfn; (fs)->dirbuf = (BYTE*)(lfn+_MAX_LFN+1); } -#define FREE_NAMBUF() ff_memfree(lfn) -#else -#define DEF_NAMBUF WCHAR *lfn; -#define INIT_NAMBUF(fs) { lfn = ff_memalloc((_MAX_LFN+1)*2); if (!lfn) LEAVE_FF(fs, FR_NOT_ENOUGH_CORE); (fs)->lfnbuf = lfn; } -#define FREE_NAMBUF() ff_memfree(lfn) -#endif - -#else -#error Wrong _USE_LFN setting -#endif -#endif - -#ifdef _EXCVT -static const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for SBCS extended characters */ -#endif - - - - - - -/*-------------------------------------------------------------------------- - - Module Private Functions - ----------------------------------------------------------------------------*/ - - -/*-----------------------------------------------------------------------*/ -/* Load/Store multi-byte word in the FAT structure */ -/*-----------------------------------------------------------------------*/ - -static -WORD ld_word (const BYTE* ptr) /* Load a 2-byte little-endian word */ -{ - WORD rv; - - rv = ptr[1]; - rv = rv << 8 | ptr[0]; - return rv; -} - -static -DWORD ld_dword (const BYTE* ptr) /* Load a 4-byte little-endian word */ -{ - DWORD rv; - - rv = ptr[3]; - rv = rv << 8 | ptr[2]; - rv = rv << 8 | ptr[1]; - rv = rv << 8 | ptr[0]; - return rv; -} - -#if _FS_EXFAT -static -QWORD ld_qword (const BYTE* ptr) /* Load an 8-byte little-endian word */ -{ - QWORD rv; - - rv = ptr[7]; - rv = rv << 8 | ptr[6]; - rv = rv << 8 | ptr[5]; - rv = rv << 8 | ptr[4]; - rv = rv << 8 | ptr[3]; - rv = rv << 8 | ptr[2]; - rv = rv << 8 | ptr[1]; - rv = rv << 8 | ptr[0]; - return rv; -} -#endif - -#if !_FS_READONLY -static -void st_word (BYTE* ptr, WORD val) /* Store a 2-byte word in little-endian */ -{ - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; -} - -static -void st_dword (BYTE* ptr, DWORD val) /* Store a 4-byte word in little-endian */ -{ - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; -} - -#if _FS_EXFAT -static -void st_qword (BYTE* ptr, QWORD val) /* Store an 8-byte word in little-endian */ -{ - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; val >>= 8; - *ptr++ = (BYTE)val; -} -#endif -#endif /* !_FS_READONLY */ - - - -/*-----------------------------------------------------------------------*/ -/* String functions */ -/*-----------------------------------------------------------------------*/ - -/* Copy memory to memory */ -static -void mem_cpy (void* dst, const void* src, UINT cnt) { - BYTE *d = (BYTE*)dst; - const BYTE *s = (const BYTE*)src; - - if (cnt) { - do *d++ = *s++; while (--cnt); - } -} - -/* Fill memory block */ -static -void mem_set (void* dst, int val, UINT cnt) { - BYTE *d = (BYTE*)dst; - - do *d++ = (BYTE)val; while (--cnt); -} - -/* Compare memory block */ -static -int mem_cmp (const void* dst, const void* src, UINT cnt) { /* ZR:same, NZ:different */ - const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src; - int r = 0; - - do { - r = *d++ - *s++; - } while (--cnt && r == 0); - - return r; -} - -/* Check if chr is contained in the string */ -static -int chk_chr (const char* str, int chr) { /* NZ:contained, ZR:not contained */ - while (*str && *str != chr) str++; - return *str; -} - - - - -#if _FS_REENTRANT -/*-----------------------------------------------------------------------*/ -/* Request/Release grant to access the volume */ -/*-----------------------------------------------------------------------*/ -static -int lock_fs ( - FATFS* fs /* File system object */ -) -{ - return ff_req_grant(fs->sobj); -} - - -static -void unlock_fs ( - FATFS* fs, /* File system object */ - FRESULT res /* Result code to be returned */ -) -{ - if (fs && res != FR_NOT_ENABLED && res != FR_INVALID_DRIVE && res != FR_TIMEOUT) { - ff_rel_grant(fs->sobj); - } -} - -#endif - - - -#if _FS_LOCK != 0 -/*-----------------------------------------------------------------------*/ -/* File lock control functions */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT chk_lock ( /* Check if the file can be accessed */ - DIR* dp, /* Directory object pointing the file to be checked */ - int acc /* Desired access type (0:Read, 1:Write, 2:Delete/Rename) */ -) -{ - UINT i, be; - - /* Search file semaphore table */ - for (i = be = 0; i < _FS_LOCK; i++) { - if (Files[i].fs) { /* Existing entry */ - if (Files[i].fs == dp->obj.fs && /* Check if the object matched with an open object */ - Files[i].clu == dp->obj.sclust && - Files[i].ofs == dp->dptr) break; - } else { /* Blank entry */ - be = 1; - } - } - if (i == _FS_LOCK) { /* The object is not opened */ - return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new object? */ - } - - /* The object has been opened. Reject any open against writing file and all write mode open */ - return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK; -} - - -static -int enq_lock (void) /* Check if an entry is available for a new object */ -{ - UINT i; - - for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; - return (i == _FS_LOCK) ? 0 : 1; -} - - -static -UINT inc_lock ( /* Increment object open counter and returns its index (0:Internal error) */ - DIR* dp, /* Directory object pointing the file to register or increment */ - int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */ -) -{ - UINT i; - - - for (i = 0; i < _FS_LOCK; i++) { /* Find the object */ - if (Files[i].fs == dp->obj.fs && - Files[i].clu == dp->obj.sclust && - Files[i].ofs == dp->dptr) break; - } - - if (i == _FS_LOCK) { /* Not opened. Register it as new. */ - for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; - if (i == _FS_LOCK) return 0; /* No free entry to register (int err) */ - Files[i].fs = dp->obj.fs; - Files[i].clu = dp->obj.sclust; - Files[i].ofs = dp->dptr; - Files[i].ctr = 0; - } - - if (acc && Files[i].ctr) return 0; /* Access violation (int err) */ - - Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */ - - return i + 1; -} - - -static -FRESULT dec_lock ( /* Decrement object open counter */ - UINT i /* Semaphore index (1..) */ -) -{ - WORD n; - FRESULT res; - - - if (--i < _FS_LOCK) { /* Shift index number origin from 0 */ - n = Files[i].ctr; - if (n == 0x100) n = 0; /* If write mode open, delete the entry */ - if (n > 0) n--; /* Decrement read mode open count */ - Files[i].ctr = n; - if (n == 0) Files[i].fs = 0; /* Delete the entry if open count gets zero */ - res = FR_OK; - } else { - res = FR_INT_ERR; /* Invalid index nunber */ - } - return res; -} - - -static -void clear_lock ( /* Clear lock entries of the volume */ - FATFS *fs -) -{ - UINT i; - - for (i = 0; i < _FS_LOCK; i++) { - if (Files[i].fs == fs) Files[i].fs = 0; - } -} - -#endif /* _FS_LOCK != 0 */ - - - -/*-----------------------------------------------------------------------*/ -/* Move/Flush disk access window in the file system object */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT sync_window ( /* Returns FR_OK or FR_DISK_ERROR */ - FATFS* fs /* File system object */ -) -{ - DWORD wsect; - UINT nf; - FRESULT res = FR_OK; - - - if (fs->wflag) { /* Write back the sector if it is dirty */ - wsect = fs->winsect; /* Current sector number */ - if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK) { - res = FR_DISK_ERR; - } else { - fs->wflag = 0; - if (wsect - fs->fatbase < fs->fsize) { /* Is it in the FAT area? */ - for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */ - wsect += fs->fsize; - disk_write(fs->drv, fs->win, wsect, 1); - } - } - } - } - return res; -} -#endif - - -static -FRESULT move_window ( /* Returns FR_OK or FR_DISK_ERROR */ - FATFS* fs, /* File system object */ - DWORD sector /* Sector number to make appearance in the fs->win[] */ -) -{ - FRESULT res = FR_OK; - - - if (sector != fs->winsect) { /* Window offset changed? */ -#if !_FS_READONLY - res = sync_window(fs); /* Write-back changes */ -#endif - if (res == FR_OK) { /* Fill sector window with new data */ - if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK) { - sector = 0xFFFFFFFF; /* Invalidate window if data is not reliable */ - res = FR_DISK_ERR; - } - fs->winsect = sector; - } - } - return res; -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Synchronize file system and strage device */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT sync_fs ( /* FR_OK:succeeded, !=0:error */ - FATFS* fs /* File system object */ -) -{ - FRESULT res; - - - res = sync_window(fs); - if (res == FR_OK) { - /* Update FSInfo sector if needed */ - if (fs->fs_type == FS_FAT32 && fs->fsi_flag == 1) { - /* Create FSInfo structure */ - mem_set(fs->win, 0, SS(fs)); - st_word(fs->win + BS_55AA, 0xAA55); - st_dword(fs->win + FSI_LeadSig, 0x41615252); - st_dword(fs->win + FSI_StrucSig, 0x61417272); - st_dword(fs->win + FSI_Free_Count, fs->free_clst); - st_dword(fs->win + FSI_Nxt_Free, fs->last_clst); - /* Write it into the FSInfo sector */ - fs->winsect = fs->volbase + 1; - disk_write(fs->drv, fs->win, fs->winsect, 1); - fs->fsi_flag = 0; - } - /* Make sure that no pending write process in the physical drive */ - if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK) res = FR_DISK_ERR; - } - - return res; -} - -#endif - - - -/*-----------------------------------------------------------------------*/ -/* Get sector# from cluster# */ -/*-----------------------------------------------------------------------*/ - -static -DWORD clust2sect ( /* !=0:Sector number, 0:Failed (invalid cluster#) */ - FATFS* fs, /* File system object */ - DWORD clst /* Cluster# to be converted */ -) -{ - clst -= 2; - if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */ - return clst * fs->csize + fs->database; -} - - - - -/*-----------------------------------------------------------------------*/ -/* FAT access - Read value of a FAT entry */ -/*-----------------------------------------------------------------------*/ - -static -DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x7FFFFFFF:Cluster status */ - _FDID* obj, /* Corresponding object */ - DWORD clst /* Cluster number to get the value */ -) -{ - UINT wc, bc; - DWORD val; - FATFS *fs = obj->fs; - - - if (clst < 2 || clst >= fs->n_fatent) { /* Check if in valid range */ - val = 1; /* Internal error */ - - } else { - val = 0xFFFFFFFF; /* Default value falls on disk error */ - - switch (fs->fs_type) { - case FS_FAT12 : - bc = (UINT)clst; bc += bc / 2; - if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; - wc = fs->win[bc++ % SS(fs)]; - if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; - wc |= fs->win[bc % SS(fs)] << 8; - val = (clst & 1) ? (wc >> 4) : (wc & 0xFFF); - break; - - case FS_FAT16 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))) != FR_OK) break; - val = ld_word(fs->win + clst * 2 % SS(fs)); - break; - - case FS_FAT32 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; - val = ld_dword(fs->win + clst * 4 % SS(fs)) & 0x0FFFFFFF; - break; -#if _FS_EXFAT - case FS_EXFAT : - if (obj->objsize) { - DWORD cofs = clst - obj->sclust; /* Offset from start cluster */ - DWORD clen = (DWORD)((obj->objsize - 1) / SS(fs)) / fs->csize; /* Number of clusters - 1 */ - - if (obj->stat == 2) { /* Is there no valid chain on the FAT? */ - if (cofs <= clen) { - val = (cofs == clen) ? 0x7FFFFFFF : clst + 1; /* Generate the value */ - break; - } - } - if (obj->stat == 3 && cofs < obj->n_cont) { /* Is it in the contiguous part? */ - val = clst + 1; /* Generate the value */ - break; - } - if (obj->stat != 2) { /* Get value from FAT if FAT chain is valid */ - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; - val = ld_dword(fs->win + clst * 4 % SS(fs)) & 0x7FFFFFFF; - break; - } - } - /* go next */ -#endif - default: - val = 1; /* Internal error */ - } - } - - return val; -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* FAT access - Change value of a FAT entry */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT put_fat ( /* FR_OK(0):succeeded, !=0:error */ - FATFS* fs, /* Corresponding file system object */ - DWORD clst, /* FAT index number (cluster number) to be changed */ - DWORD val /* New value to be set to the entry */ -) -{ - UINT bc; - BYTE *p; - FRESULT res = FR_INT_ERR; - - - if (clst >= 2 && clst < fs->n_fatent) { /* Check if in valid range */ - switch (fs->fs_type) { - case FS_FAT12 : /* Bitfield items */ - bc = (UINT)clst; bc += bc / 2; - res = move_window(fs, fs->fatbase + (bc / SS(fs))); - if (res != FR_OK) break; - p = fs->win + bc++ % SS(fs); - *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; - fs->wflag = 1; - res = move_window(fs, fs->fatbase + (bc / SS(fs))); - if (res != FR_OK) break; - p = fs->win + bc % SS(fs); - *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F)); - fs->wflag = 1; - break; - - case FS_FAT16 : /* WORD aligned items */ - res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))); - if (res != FR_OK) break; - st_word(fs->win + clst * 2 % SS(fs), (WORD)val); - fs->wflag = 1; - break; - - case FS_FAT32 : /* DWORD aligned items */ -#if _FS_EXFAT - case FS_EXFAT : -#endif - res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))); - if (res != FR_OK) break; - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { - val = (val & 0x0FFFFFFF) | (ld_dword(fs->win + clst * 4 % SS(fs)) & 0xF0000000); - } - st_dword(fs->win + clst * 4 % SS(fs), val); - fs->wflag = 1; - break; - } - } - return res; -} - -#endif /* !_FS_READONLY */ - - - - -#if _FS_EXFAT && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* exFAT: Accessing FAT and Allocation Bitmap */ -/*-----------------------------------------------------------------------*/ - -/*---------------------------------------------*/ -/* exFAT: Find a contiguous free cluster block */ -/*---------------------------------------------*/ - -static -DWORD find_bitmap ( /* 0:No free cluster, 2..:Free cluster found, 0xFFFFFFFF:Disk error */ - FATFS* fs, /* File system object */ - DWORD clst, /* Cluster number to scan from */ - DWORD ncl /* Number of contiguous clusters to find (1..) */ -) -{ - BYTE bm, bv; - UINT i; - DWORD val, scl, ctr; - - - clst -= 2; /* The first bit in the bitmap corresponds to cluster #2 */ - if (clst >= fs->n_fatent - 2) clst = 0; - scl = val = clst; ctr = 0; - for (;;) { - if (move_window(fs, fs->database + val / 8 / SS(fs)) != FR_OK) return 0xFFFFFFFF; - i = val / 8 % SS(fs); bm = 1 << (val % 8); - do { - do { - bv = fs->win[i] & bm; bm <<= 1; /* Get bit value */ - if (++val >= fs->n_fatent - 2) { /* Next cluster (with wrap-around) */ - val = 0; bm = 0; i = 4096; - } - if (!bv) { /* Is it a free cluster? */ - if (++ctr == ncl) return scl + 2; /* Check run length */ - } else { - scl = val; ctr = 0; /* Encountered a live cluster, restart to scan */ - } - if (val == clst) return 0; /* All cluster scanned? */ - } while (bm); - bm = 1; - } while (++i < SS(fs)); - } -} - - -/*------------------------------------*/ -/* exFAT: Set/Clear a block of bitmap */ -/*------------------------------------*/ - -static -FRESULT change_bitmap ( - FATFS* fs, /* File system object */ - DWORD clst, /* Cluster number to change from */ - DWORD ncl, /* Number of clusters to be changed */ - int bv /* bit value to be set (0 or 1) */ -) -{ - BYTE bm; - UINT i; - DWORD sect; - - - clst -= 2; /* The first bit corresponds to cluster #2 */ - sect = fs->database + clst / 8 / SS(fs); /* Sector address */ - i = clst / 8 % SS(fs); /* Byte offset in the sector */ - bm = 1 << (clst % 8); /* Bit mask in the byte */ - for (;;) { - if (move_window(fs, sect++) != FR_OK) return FR_DISK_ERR; - do { - do { - if (bv == (int)((fs->win[i] & bm) != 0)) return FR_INT_ERR; /* Is the bit expected value? */ - fs->win[i] ^= bm; /* Flip the bit */ - fs->wflag = 1; - if (--ncl == 0) return FR_OK; /* All bits processed? */ - } while (bm <<= 1); /* Next bit */ - bm = 1; - } while (++i < SS(fs)); /* Next byte */ - } -} - - -/*---------------------------------------------*/ -/* Complement contiguous part of the FAT chain */ -/*---------------------------------------------*/ - -static -FRESULT fill_fat_chain ( - _FDID* obj /* Pointer to the corresponding object */ -) -{ - FRESULT res; - DWORD cl, n; - - if (obj->stat == 3) { /* Has the object been changed 'fragmented'? */ - for (cl = obj->sclust, n = obj->n_cont; n; cl++, n--) { /* Create cluster chain on the FAT */ - res = put_fat(obj->fs, cl, cl + 1); - if (res != FR_OK) return res; - } - obj->stat = 0; /* Change status 'FAT chain is valid' */ - } - return FR_OK; -} - -#endif /* _FS_EXFAT && !_FS_READONLY */ - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* FAT handling - Remove a cluster chain */ -/*-----------------------------------------------------------------------*/ -static -FRESULT remove_chain ( /* FR_OK(0):succeeded, !=0:error */ - _FDID* obj, /* Corresponding object */ - DWORD clst, /* Cluster to remove a chain from */ - DWORD pclst /* Previous cluster of clst (0:an entire chain) */ -) -{ - FRESULT res = FR_OK; - DWORD nxt; - FATFS *fs = obj->fs; -#if _FS_EXFAT || _USE_TRIM - DWORD scl = clst, ecl = clst; -#endif -#if _USE_TRIM - DWORD rt[2]; -#endif - - if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Check if in valid range */ - - /* Mark the previous cluster 'EOC' on the FAT if it exists */ - if (pclst && (!_FS_EXFAT || fs->fs_type != FS_EXFAT || obj->stat != 2)) { - res = put_fat(fs, pclst, 0xFFFFFFFF); - if (res != FR_OK) return res; - } - - /* Remove the chain */ - do { - nxt = get_fat(obj, clst); /* Get cluster status */ - if (nxt == 0) break; /* Empty cluster? */ - if (nxt == 1) return FR_INT_ERR; /* Internal error? */ - if (nxt == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error? */ - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { - res = put_fat(fs, clst, 0); /* Mark the cluster 'free' on the FAT */ - if (res != FR_OK) return res; - } - if (fs->free_clst != 0xFFFFFFFF) { /* Update FSINFO */ - fs->free_clst++; - fs->fsi_flag |= 1; - } -#if _FS_EXFAT || _USE_TRIM - if (ecl + 1 == nxt) { /* Is next cluster contiguous? */ - ecl = nxt; - } else { /* End of contiguous cluster block */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - res = change_bitmap(fs, scl, ecl - scl + 1, 0); /* Mark the cluster block 'free' on the bitmap */ - if (res != FR_OK) return res; - } -#endif -#if _USE_TRIM - rt[0] = clust2sect(fs, scl); /* Start sector */ - rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */ - disk_ioctl(fs->drv, CTRL_TRIM, rt); /* Inform device the block can be erased */ -#endif - scl = ecl = nxt; - } -#endif - clst = nxt; /* Next cluster */ - } while (clst < fs->n_fatent); /* Repeat while not the last link */ - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - if (pclst == 0) { /* Does object have no chain? */ - obj->stat = 0; /* Change the object status 'initial' */ - } else { - if (obj->stat == 3 && pclst >= obj->sclust && pclst <= obj->sclust + obj->n_cont) { /* Did the chain got contiguous? */ - obj->stat = 2; /* Change the object status 'contiguous' */ - } - } - } -#endif - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* FAT handling - Stretch a chain or Create a new chain */ -/*-----------------------------------------------------------------------*/ -static -DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */ - _FDID* obj, /* Corresponding object */ - DWORD clst /* Cluster# to stretch, 0:Create a new chain */ -) -{ - DWORD cs, ncl, scl; - FRESULT res; - FATFS *fs = obj->fs; - - - if (clst == 0) { /* Create a new chain */ - scl = fs->last_clst; /* Get suggested cluster to start at */ - if (scl == 0 || scl >= fs->n_fatent) scl = 1; - } - else { /* Stretch current chain */ - cs = get_fat(obj, clst); /* Check the cluster status */ - if (cs < 2) return 1; /* Invalid value */ - if (cs == 0xFFFFFFFF) return cs; /* A disk error occurred */ - if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */ - scl = clst; - } - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - ncl = find_bitmap(fs, scl, 1); /* Find a free cluster */ - if (ncl == 0 || ncl == 0xFFFFFFFF) return ncl; /* No free cluster or hard error? */ - res = change_bitmap(fs, ncl, 1, 1); /* Mark the cluster 'in use' */ - if (res == FR_INT_ERR) return 1; - if (res == FR_DISK_ERR) return 0xFFFFFFFF; - if (clst == 0) { /* Is it a new chain? */ - obj->stat = 2; /* Set status 'contiguous chain' */ - } else { /* This is a stretched chain */ - if (obj->stat == 2 && ncl != scl + 1) { /* Is the chain got fragmented? */ - obj->n_cont = scl - obj->sclust; /* Set size of the contiguous part */ - obj->stat = 3; /* Change status 'just fragmented' */ - } - } - } else -#endif - { /* At the FAT12/16/32 */ - ncl = scl; /* Start cluster */ - for (;;) { - ncl++; /* Next cluster */ - if (ncl >= fs->n_fatent) { /* Check wrap-around */ - ncl = 2; - if (ncl > scl) return 0; /* No free cluster */ - } - cs = get_fat(obj, ncl); /* Get the cluster status */ - if (cs == 0) break; /* Found a free cluster */ - if (cs == 1 || cs == 0xFFFFFFFF) return cs; /* An error occurred */ - if (ncl == scl) return 0; /* No free cluster */ - } - } - - if (_FS_EXFAT && fs->fs_type == FS_EXFAT && obj->stat == 2) { /* Is it a contiguous chain? */ - res = FR_OK; /* FAT does not need to be written */ - } else { - res = put_fat(fs, ncl, 0xFFFFFFFF); /* Mark the new cluster 'EOC' */ - if (res == FR_OK && clst) { - res = put_fat(fs, clst, ncl); /* Link it from the previous one if needed */ - } - } - - if (res == FR_OK) { /* Update FSINFO if function succeeded. */ - fs->last_clst = ncl; - if (fs->free_clst < fs->n_fatent - 2) fs->free_clst--; - fs->fsi_flag |= 1; - } else { - ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1; /* Failed. Create error status */ - } - - return ncl; /* Return new cluster number or error status */ -} - -#endif /* !_FS_READONLY */ - - - - -#if _USE_FASTSEEK -/*-----------------------------------------------------------------------*/ -/* FAT handling - Convert offset into cluster with link map table */ -/*-----------------------------------------------------------------------*/ - -static -DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */ - FIL* fp, /* Pointer to the file object */ - FSIZE_t ofs /* File offset to be converted to cluster# */ -) -{ - DWORD cl, ncl, *tbl; - FATFS *fs = fp->obj.fs; - - - tbl = fp->cltbl + 1; /* Top of CLMT */ - cl = (DWORD)(ofs / SS(fs) / fs->csize); /* Cluster order from top of the file */ - for (;;) { - ncl = *tbl++; /* Number of cluters in the fragment */ - if (ncl == 0) return 0; /* End of table? (error) */ - if (cl < ncl) break; /* In this fragment? */ - cl -= ncl; tbl++; /* Next fragment */ - } - return cl + *tbl; /* Return the cluster number */ -} - -#endif /* _USE_FASTSEEK */ - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Set directory index */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_sdi ( /* FR_OK(0):succeeded, !=0:error */ - DIR* dp, /* Pointer to directory object */ - DWORD ofs /* Offset of directory table */ -) -{ - DWORD csz, clst; - FATFS *fs = dp->obj.fs; - - - if (ofs >= (DWORD)((_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR) || ofs % SZDIRE) { /* Check range of offset and alignment */ - return FR_INT_ERR; - } - dp->dptr = ofs; /* Set current offset */ - clst = dp->obj.sclust; /* Table start cluster (0:root) */ - if (clst == 0 && fs->fs_type >= FS_FAT32) { /* Replace cluster# 0 with root cluster# */ - clst = fs->dirbase; - if (_FS_EXFAT) dp->obj.stat = 0; /* exFAT: Root dir has an FAT chain */ - } - - if (clst == 0) { /* Static table (root-directory in FAT12/16) */ - if (ofs / SZDIRE >= fs->n_rootdir) return FR_INT_ERR; /* Is index out of range? */ - dp->sect = fs->dirbase; - - } else { /* Dynamic table (sub-directory or root-directory in FAT32+) */ - csz = (DWORD)fs->csize * SS(fs); /* Bytes per cluster */ - while (ofs >= csz) { /* Follow cluster chain */ - clst = get_fat(&dp->obj, clst); /* Get next cluster */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Reached to end of table or internal error */ - ofs -= csz; - } - dp->sect = clust2sect(fs, clst); - } - dp->clust = clst; /* Current cluster# */ - if (!dp->sect) return FR_INT_ERR; - dp->sect += ofs / SS(fs); /* Sector# of the directory entry */ - dp->dir = fs->win + (ofs % SS(fs)); /* Pointer to the entry in the win[] */ - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Move directory table index next */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_next ( /* FR_OK(0):succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */ - DIR* dp, /* Pointer to the directory object */ - int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ -) -{ - DWORD ofs, clst; - FATFS *fs = dp->obj.fs; -#if !_FS_READONLY - UINT n; -#endif - - ofs = dp->dptr + SZDIRE; /* Next entry */ - if (!dp->sect || ofs >= (DWORD)((_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR)) return FR_NO_FILE; /* Report EOT when offset has reached max value */ - - if (ofs % SS(fs) == 0) { /* Sector changed? */ - dp->sect++; /* Next sector */ - - if (!dp->clust) { /* Static table */ - if (ofs / SZDIRE >= fs->n_rootdir) { /* Report EOT if it reached end of static table */ - dp->sect = 0; return FR_NO_FILE; - } - } - else { /* Dynamic table */ - if ((ofs / SS(fs) & (fs->csize - 1)) == 0) { /* Cluster changed? */ - clst = get_fat(&dp->obj, dp->clust); /* Get next cluster */ - if (clst <= 1) return FR_INT_ERR; /* Internal error */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - if (clst >= fs->n_fatent) { /* Reached end of dynamic table */ -#if !_FS_READONLY - if (!stretch) { /* If no stretch, report EOT */ - dp->sect = 0; return FR_NO_FILE; - } - clst = create_chain(&dp->obj, dp->clust); /* Allocate a cluster */ - if (clst == 0) return FR_DENIED; /* No free cluster */ - if (clst == 1) return FR_INT_ERR; /* Internal error */ - if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ - /* Clean-up the stretched table */ - if (_FS_EXFAT) dp->obj.stat |= 4; /* The directory needs to be updated */ - if (sync_window(fs) != FR_OK) return FR_DISK_ERR; /* Flush disk access window */ - mem_set(fs->win, 0, SS(fs)); /* Clear window buffer */ - for (n = 0, fs->winsect = clust2sect(fs, clst); n < fs->csize; n++, fs->winsect++) { /* Fill the new cluster with 0 */ - fs->wflag = 1; - if (sync_window(fs) != FR_OK) return FR_DISK_ERR; - } - fs->winsect -= n; /* Restore window offset */ -#else - if (!stretch) dp->sect = 0; /* If no stretch, report EOT (this is to suppress warning) */ - dp->sect = 0; return FR_NO_FILE; /* Report EOT */ -#endif - } - dp->clust = clst; /* Initialize data for new cluster */ - dp->sect = clust2sect(fs, clst); - } - } - } - dp->dptr = ofs; /* Current entry */ - dp->dir = fs->win + ofs % SS(fs); /* Pointer to the entry in the win[] */ - - return FR_OK; -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Directory handling - Reserve a block of directory entries */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_alloc ( /* FR_OK(0):succeeded, !=0:error */ - DIR* dp, /* Pointer to the directory object */ - UINT nent /* Number of contiguous entries to allocate */ -) -{ - FRESULT res; - UINT n; - FATFS *fs = dp->obj.fs; - - - res = dir_sdi(dp, 0); - if (res == FR_OK) { - n = 0; - do { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; -#if _FS_EXFAT - if ((fs->fs_type == FS_EXFAT) ? (int)((dp->dir[XDIR_Type] & 0x80) == 0) : (int)(dp->dir[DIR_Name] == DDEM || dp->dir[DIR_Name] == 0)) { -#else - if (dp->dir[DIR_Name] == DDEM || dp->dir[DIR_Name] == 0) { -#endif - if (++n == nent) break; /* A block of contiguous free entries is found */ - } else { - n = 0; /* Not a blank entry. Restart to search */ - } - res = dir_next(dp, 1); - } while (res == FR_OK); /* Next entry with table stretch enabled */ - } - - if (res == FR_NO_FILE) res = FR_DENIED; /* No directory entry to allocate */ - return res; -} - -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* FAT: Directory handling - Load/Store start cluster number */ -/*-----------------------------------------------------------------------*/ - -static -DWORD ld_clust ( /* Returns the top cluster value of the SFN entry */ - FATFS* fs, /* Pointer to the fs object */ - const BYTE* dir /* Pointer to the key entry */ -) -{ - DWORD cl; - - cl = ld_word(dir + DIR_FstClusLO); - if (fs->fs_type == FS_FAT32) { - cl |= (DWORD)ld_word(dir + DIR_FstClusHI) << 16; - } - - return cl; -} - - -#if !_FS_READONLY -static -void st_clust ( - FATFS* fs, /* Pointer to the fs object */ - BYTE* dir, /* Pointer to the key entry */ - DWORD cl /* Value to be set */ -) -{ - st_word(dir + DIR_FstClusLO, (WORD)cl); - if (fs->fs_type == FS_FAT32) { - st_word(dir + DIR_FstClusHI, (WORD)(cl >> 16)); - } -} -#endif - - - -#if _USE_LFN != 0 -/*------------------------------------------------------------------------*/ -/* FAT-LFN: LFN handling */ -/*------------------------------------------------------------------------*/ -static -const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN characters in the directory entry */ - - -/*--------------------------------------------------------*/ -/* FAT-LFN: Compare a part of file name with an LFN entry */ -/*--------------------------------------------------------*/ -static -int cmp_lfn ( /* 1:matched, 0:not matched */ - const WCHAR* lfnbuf, /* Pointer to the LFN working buffer to be compared */ - BYTE* dir /* Pointer to the directory entry containing the part of LFN */ -) -{ - UINT i, s; - WCHAR wc, uc; - - - if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ - - i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ - - for (wc = 1, s = 0; s < 13; s++) { /* Process all characters in the entry */ - uc = ld_word(dir + LfnOfs[s]); /* Pick an LFN character */ - if (wc) { - if (i >= _MAX_LFN || ff_wtoupper(uc) != ff_wtoupper(lfnbuf[i++])) { /* Compare it */ - return 0; /* Not matched */ - } - wc = uc; - } else { - if (uc != 0xFFFF) return 0; /* Check filler */ - } - } - - if ((dir[LDIR_Ord] & LLEF) && wc && lfnbuf[i]) return 0; /* Last segment matched but different length */ - - return 1; /* The part of LFN matched */ -} - - -#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 || _USE_LABEL || _FS_EXFAT -/*-----------------------------------------------------*/ -/* FAT-LFN: Pick a part of file name from an LFN entry */ -/*-----------------------------------------------------*/ -static -int pick_lfn ( /* 1:succeeded, 0:buffer overflow or invalid LFN entry */ - WCHAR* lfnbuf, /* Pointer to the LFN working buffer */ - BYTE* dir /* Pointer to the LFN entry */ -) -{ - UINT i, s; - WCHAR wc, uc; - - - if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ - - i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ - - for (wc = 1, s = 0; s < 13; s++) { /* Process all characters in the entry */ - uc = ld_word(dir + LfnOfs[s]); /* Pick an LFN character */ - if (wc) { - if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ - lfnbuf[i++] = wc = uc; /* Store it */ - } else { - if (uc != 0xFFFF) return 0; /* Check filler */ - } - } - - if (dir[LDIR_Ord] & LLEF) { /* Put terminator if it is the last LFN part */ - if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ - lfnbuf[i] = 0; - } - - return 1; /* The part of LFN is valid */ -} -#endif - - -#if !_FS_READONLY -/*-----------------------------------------*/ -/* FAT-LFN: Create an entry of LFN entries */ -/*-----------------------------------------*/ -static -void put_lfn ( - const WCHAR* lfn, /* Pointer to the LFN */ - BYTE* dir, /* Pointer to the LFN entry to be created */ - BYTE ord, /* LFN order (1-20) */ - BYTE sum /* Checksum of the corresponding SFN */ -) -{ - UINT i, s; - WCHAR wc; - - - dir[LDIR_Chksum] = sum; /* Set checksum */ - dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */ - dir[LDIR_Type] = 0; - st_word(dir + LDIR_FstClusLO, 0); - - i = (ord - 1) * 13; /* Get offset in the LFN working buffer */ - s = wc = 0; - do { - if (wc != 0xFFFF) wc = lfn[i++]; /* Get an effective character */ - st_word(dir + LfnOfs[s], wc); /* Put it */ - if (wc == 0) wc = 0xFFFF; /* Padding characters for left locations */ - } while (++s < 13); - if (wc == 0xFFFF || !lfn[i]) ord |= LLEF; /* Last LFN part is the start of LFN sequence */ - dir[LDIR_Ord] = ord; /* Set the LFN order */ -} - -#endif /* !_FS_READONLY */ -#endif /* _USE_LFN != 0 */ - - - -#if _USE_LFN != 0 && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* FAT-LFN: Create a Numbered SFN */ -/*-----------------------------------------------------------------------*/ - -static -void gen_numname ( - BYTE* dst, /* Pointer to the buffer to store numbered SFN */ - const BYTE* src, /* Pointer to SFN */ - const WCHAR* lfn, /* Pointer to LFN */ - UINT seq /* Sequence number */ -) -{ - BYTE ns[8], c; - UINT i, j; - WCHAR wc; - DWORD sr; - - - mem_cpy(dst, src, 11); - - if (seq > 5) { /* In case of many collisions, generate a hash number instead of sequential number */ - sr = seq; - while (*lfn) { /* Create a CRC */ - wc = *lfn++; - for (i = 0; i < 16; i++) { - sr = (sr << 1) + (wc & 1); - wc >>= 1; - if (sr & 0x10000) sr ^= 0x11021; - } - } - seq = (UINT)sr; - } - - /* itoa (hexdecimal) */ - i = 7; - do { - c = (seq % 16) + '0'; - if (c > '9') c += 7; - ns[i--] = c; - seq /= 16; - } while (seq); - ns[i] = '~'; - - /* Append the number */ - for (j = 0; j < i && dst[j] != ' '; j++) { - if (IsDBCS1(dst[j])) { - if (j == i - 1) break; - j++; - } - } - do { - dst[j++] = (i < 8) ? ns[i++] : ' '; - } while (j < 8); -} -#endif /* _USE_LFN != 0 && !_FS_READONLY */ - - - -#if _USE_LFN != 0 -/*-----------------------------------------------------------------------*/ -/* FAT-LFN: Calculate checksum of an SFN entry */ -/*-----------------------------------------------------------------------*/ - -static -BYTE sum_sfn ( - const BYTE* dir /* Pointer to the SFN entry */ -) -{ - BYTE sum = 0; - UINT n = 11; - - do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n); - return sum; -} - -#endif /* _USE_LFN != 0 */ - - - -#if _FS_EXFAT -/*-----------------------------------------------------------------------*/ -/* exFAT: Checksum */ -/*-----------------------------------------------------------------------*/ - -static -WORD xdir_sum ( /* Get checksum of the directoly block */ - const BYTE* dir /* Directory entry block to be calculated */ -) -{ - UINT i, szblk; - WORD sum; - - - szblk = (dir[XDIR_NumSec] + 1) * SZDIRE; - for (i = sum = 0; i < szblk; i++) { - if (i == XDIR_SetSum) { /* Skip sum field */ - i++; - } else { - sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + dir[i]; - } - } - return sum; -} - - - -static -WORD xname_sum ( /* Get check sum (to be used as hash) of the name */ - const WCHAR* name /* File name to be calculated */ -) -{ - WCHAR chr; - WORD sum = 0; - - - while ((chr = *name++) != 0) { - chr = ff_wtoupper(chr); /* File name needs to be ignored case */ - sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + (chr & 0xFF); - sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + (chr >> 8); - } - return sum; -} - - -#if !_FS_READONLY && _USE_MKFS -static -DWORD xsum32 ( - BYTE dat, /* Data to be sumed */ - DWORD sum /* Previous value */ -) -{ - sum = ((sum & 1) ? 0x80000000 : 0) + (sum >> 1) + dat; - return sum; -} -#endif - - -#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 -/*------------------------------------------------------*/ -/* exFAT: Get object information from a directory block */ -/*------------------------------------------------------*/ - -static -void get_xdir_info ( - BYTE* dirb, /* Pointer to the direcotry entry block 85+C0+C1s */ - FILINFO* fno /* Buffer to store the extracted file information */ -) -{ - UINT di, si; - WCHAR w; -#if !_LFN_UNICODE - UINT nc; -#endif - - /* Get file name */ -#if _LFN_UNICODE - if (dirb[XDIR_NumName] <= _MAX_LFN) { - for (si = SZDIRE * 2, di = 0; di < dirb[XDIR_NumName]; si += 2, di++) { - if ((si % SZDIRE) == 0) si += 2; /* Skip entry type field */ - w = ld_word(dirb + si); /* Get a character */ - fno->fname[di] = w; /* Store it */ - } - } else { - di = 0; /* Buffer overflow and inaccessible object */ - } -#else - for (si = SZDIRE * 2, di = nc = 0; nc < dirb[XDIR_NumName]; si += 2, nc++) { - if ((si % SZDIRE) == 0) si += 2; /* Skip entry type field */ - w = ld_word(dirb + si); /* Get a character */ - w = ff_convert(w, 0); /* Unicode -> OEM */ - if (w == 0) { di = 0; break; } /* Could not be converted and inaccessible object */ - if (_DF1S && w >= 0x100) { /* Put 1st byte if it is a DBC (always false at SBCS cfg) */ - fno->fname[di++] = (char)(w >> 8); - } - if (di >= _MAX_LFN) { di = 0; break; } /* Buffer overflow and inaccessible object */ - fno->fname[di++] = (char)w; - } -#endif - if (di == 0) fno->fname[di++] = '?'; /* Inaccessible object? */ - fno->fname[di] = 0; /* Terminate file name */ - - fno->altname[0] = 0; /* No SFN */ - fno->fattrib = dirb[XDIR_Attr]; /* Attribute */ - fno->fsize = (fno->fattrib & AM_DIR) ? 0 : ld_qword(dirb + XDIR_FileSize); /* Size */ - fno->ftime = ld_word(dirb + XDIR_ModTime + 0); /* Time */ - fno->fdate = ld_word(dirb + XDIR_ModTime + 2); /* Date */ -} - -#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 */ - - -/*-----------------------------------*/ -/* exFAT: Get a directry entry block */ -/*-----------------------------------*/ - -static -FRESULT load_xdir ( /* FR_INT_ERR: invalid entry block */ - DIR* dp /* Pointer to the reading direcotry object pointing the 85 entry */ -) -{ - FRESULT res; - UINT i, nent; - BYTE* dirb = dp->obj.fs->dirbuf; /* Pointer to the on-memory direcotry entry block 85+C0+C1s */ - - - /* Load 85 entry */ - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) return res; - if (dp->dir[XDIR_Type] != 0x85) return FR_INT_ERR; - mem_cpy(dirb, dp->dir, SZDIRE); - nent = dirb[XDIR_NumSec] + 1; - - /* Load C0 entry */ - res = dir_next(dp, 0); - if (res != FR_OK) return res; - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) return res; - if (dp->dir[XDIR_Type] != 0xC0) return FR_INT_ERR; - mem_cpy(dirb + SZDIRE, dp->dir, SZDIRE); - - /* Load C1 entries */ - if (nent < 3 || nent > 19) return FR_NO_FILE; - i = SZDIRE * 2; nent *= SZDIRE; - do { - res = dir_next(dp, 0); - if (res != FR_OK) return res; - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) return res; - if (dp->dir[XDIR_Type] != 0xC1) return FR_INT_ERR; - mem_cpy(dirb + i, dp->dir, SZDIRE); - i += SZDIRE; - } while (i < nent); - - /* Sanity check */ - if (xdir_sum(dirb) != ld_word(dirb + XDIR_SetSum)) return FR_INT_ERR; - - return FR_OK; -} - - -#if !_FS_READONLY || _FS_RPATH != 0 -/*------------------------------------------------*/ -/* exFAT: Load the object's directory entry block */ -/*------------------------------------------------*/ -static -FRESULT load_obj_dir ( - DIR* dp, /* Blank directory object to be used to access containing direcotry */ - const _FDID* obj /* Object with containing directory information */ -) -{ - FRESULT res; - - - /* Open object containing directory */ - dp->obj.fs = obj->fs; - dp->obj.sclust = obj->c_scl; - dp->obj.stat = (BYTE)obj->c_size; - dp->obj.objsize = obj->c_size & 0xFFFFFF00; - dp->blk_ofs = obj->c_ofs; - - res = dir_sdi(dp, dp->blk_ofs); /* Goto the block location */ - if (res == FR_OK) { - res = load_xdir(dp); /* Load the object's entry block */ - } - return res; -} -#endif - - -#if !_FS_READONLY -/*-----------------------------------------------*/ -/* exFAT: Store the directory block to the media */ -/*-----------------------------------------------*/ -static -FRESULT store_xdir ( - DIR* dp /* Pointer to the direcotry object */ -) -{ - FRESULT res; - UINT nent; - BYTE* dirb = dp->obj.fs->dirbuf; /* Pointer to the direcotry entry block 85+C0+C1s */ - - /* Create set sum */ - st_word(dirb + XDIR_SetSum, xdir_sum(dirb)); - nent = dirb[XDIR_NumSec] + 1; - - /* Store the set of directory to the volume */ - res = dir_sdi(dp, dp->blk_ofs); - while (res == FR_OK) { - res = move_window(dp->obj.fs, dp->sect); - if (res != FR_OK) break; - mem_cpy(dp->dir, dirb, SZDIRE); - dp->obj.fs->wflag = 1; - if (--nent == 0) break; - dirb += SZDIRE; - res = dir_next(dp, 0); - } - return (res == FR_OK || res == FR_DISK_ERR) ? res : FR_INT_ERR; -} - - - -/*-------------------------------------------*/ -/* exFAT: Create a new directory enrty block */ -/*-------------------------------------------*/ - -static -void create_xdir ( - BYTE* dirb, /* Pointer to the direcotry entry block buffer */ - const WCHAR* lfn /* Pointer to the nul terminated file name */ -) -{ - UINT i; - BYTE nb, nc; - WCHAR chr; - - - mem_set(dirb, 0, 2 * SZDIRE); /* Initialize 85+C0 entry */ - dirb[XDIR_Type] = 0x85; - dirb[XDIR_Type + SZDIRE] = 0xC0; - st_word(dirb + XDIR_NameHash, xname_sum(lfn)); /* Set name hash */ - - i = SZDIRE * 2; /* C1 offset */ - nc = 0; nb = 1; chr = 1; - do { - dirb[i++] = 0xC1; dirb[i++] = 0; /* Entry type C1 */ - do { /* Fill name field */ - if (chr && (chr = lfn[nc]) != 0) nc++; /* Get a character if exist */ - st_word(dirb + i, chr); i += 2; /* Store it */ - } while (i % SZDIRE); - nb++; - } while (lfn[nc]); /* Fill next entry if any char follows */ - - dirb[XDIR_NumName] = nc; /* Set name length */ - dirb[XDIR_NumSec] = nb; /* Set number of C0+C1s */ -} - -#endif /* !_FS_READONLY */ -#endif /* _FS_EXFAT */ - - - -#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 || _USE_LABEL || _FS_EXFAT -/*-----------------------------------------------------------------------*/ -/* Read an object from the directory */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_read ( - DIR* dp, /* Pointer to the directory object */ - int vol /* Filtered by 0:file/directory or 1:volume label */ -) -{ - FRESULT res = FR_NO_FILE; - FATFS *fs = dp->obj.fs; - BYTE a, c; -#if _USE_LFN != 0 - BYTE ord = 0xFF, sum = 0xFF; -#endif - - while (dp->sect) { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - c = dp->dir[DIR_Name]; /* Test for the entry type */ - if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of the directory */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - if (_USE_LABEL && vol) { - if (c == 0x83) break; /* Volume label entry? */ - } else { - if (c == 0x85) { /* Start of the file entry block? */ - dp->blk_ofs = dp->dptr; /* Get location of the block */ - res = load_xdir(dp); /* Load the entry block */ - if (res == FR_OK) { - dp->obj.attr = fs->dirbuf[XDIR_Attr] & AM_MASK; /* Get attribute */ - } - break; - } - } - } else -#endif - { /* At the FAT12/16/32 */ - dp->obj.attr = a = dp->dir[DIR_Attr] & AM_MASK; /* Get attribute */ -#if _USE_LFN != 0 /* LFN configuration */ - if (c == DDEM || c == '.' || (int)((a & ~AM_ARC) == AM_VOL) != vol) { /* An entry without valid data */ - ord = 0xFF; - } else { - if (a == AM_LFN) { /* An LFN entry is found */ - if (c & LLEF) { /* Is it start of an LFN sequence? */ - sum = dp->dir[LDIR_Chksum]; - c &= ~LLEF; ord = c; - dp->blk_ofs = dp->dptr; - } - /* Check LFN validity and capture it */ - ord = (c == ord && sum == dp->dir[LDIR_Chksum] && pick_lfn(fs->lfnbuf, dp->dir)) ? ord - 1 : 0xFF; - } else { /* An SFN entry is found */ - if (ord || sum != sum_sfn(dp->dir)) { /* Is there a valid LFN? */ - dp->blk_ofs = 0xFFFFFFFF; /* It has no LFN. */ - } - break; - } - } -#else /* Non LFN configuration */ - if (c != DDEM && c != '.' && a != AM_LFN && (int)((a & ~AM_ARC) == AM_VOL) == vol) { /* Is it a valid entry? */ - break; - } -#endif - } - res = dir_next(dp, 0); /* Next entry */ - if (res != FR_OK) break; - } - - if (res != FR_OK) dp->sect = 0; /* Terminate the read operation on error or EOT */ - return res; -} - -#endif /* _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2 */ - - - -/*-----------------------------------------------------------------------*/ -/* Directory handling - Find an object in the directory */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_find ( /* FR_OK(0):succeeded, !=0:error */ - DIR* dp /* Pointer to the directory object with the file name */ -) -{ - FRESULT res; - FATFS *fs = dp->obj.fs; - BYTE c; -#if _USE_LFN != 0 - BYTE a, ord, sum; -#endif - - res = dir_sdi(dp, 0); /* Rewind directory object */ - if (res != FR_OK) return res; -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - BYTE nc; - UINT di, ni; - WORD hash = xname_sum(fs->lfnbuf); /* Hash value of the name to find */ - - while ((res = dir_read(dp, 0)) == FR_OK) { /* Read an item */ - if (ld_word(fs->dirbuf + XDIR_NameHash) != hash) continue; /* Skip the comparison if hash value mismatched */ - for (nc = fs->dirbuf[XDIR_NumName], di = SZDIRE * 2, ni = 0; nc; nc--, di += 2, ni++) { /* Compare the name */ - if ((di % SZDIRE) == 0) di += 2; - if (ff_wtoupper(ld_word(fs->dirbuf + di)) != ff_wtoupper(fs->lfnbuf[ni])) break; - } - if (nc == 0 && !fs->lfnbuf[ni]) break; /* Name matched? */ - } - return res; - } -#endif - /* At the FAT12/16/32 */ -#if _USE_LFN != 0 - ord = sum = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ -#endif - do { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - c = dp->dir[DIR_Name]; - if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ -#if _USE_LFN != 0 /* LFN configuration */ - dp->obj.attr = a = dp->dir[DIR_Attr] & AM_MASK; - if (c == DDEM || ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */ - ord = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ - } else { - if (a == AM_LFN) { /* An LFN entry is found */ - if (!(dp->fn[NSFLAG] & NS_NOLFN)) { - if (c & LLEF) { /* Is it start of LFN sequence? */ - sum = dp->dir[LDIR_Chksum]; - c &= ~LLEF; ord = c; /* LFN start order */ - dp->blk_ofs = dp->dptr; /* Start offset of LFN */ - } - /* Check validity of the LFN entry and compare it with given name */ - ord = (c == ord && sum == dp->dir[LDIR_Chksum] && cmp_lfn(fs->lfnbuf, dp->dir)) ? ord - 1 : 0xFF; - } - } else { /* An SFN entry is found */ - if (!ord && sum == sum_sfn(dp->dir)) break; /* LFN matched? */ - if (!(dp->fn[NSFLAG] & NS_LOSS) && !mem_cmp(dp->dir, dp->fn, 11)) break; /* SFN matched? */ - ord = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ - } - } -#else /* Non LFN configuration */ - dp->obj.attr = dp->dir[DIR_Attr] & AM_MASK; - if (!(dp->dir[DIR_Attr] & AM_VOL) && !mem_cmp(dp->dir, dp->fn, 11)) break; /* Is it a valid entry? */ -#endif - res = dir_next(dp, 0); /* Next entry */ - } while (res == FR_OK); - - return res; -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Register an object to the directory */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_register ( /* FR_OK:succeeded, FR_DENIED:no free entry or too many SFN collision, FR_DISK_ERR:disk error */ - DIR* dp /* Target directory with object name to be created */ -) -{ - FRESULT res; - FATFS *fs = dp->obj.fs; -#if _USE_LFN != 0 /* LFN configuration */ - UINT n, nlen, nent; - BYTE sn[12], sum; - - - if (dp->fn[NSFLAG] & (NS_DOT | NS_NONAME)) return FR_INVALID_NAME; /* Check name validity */ - for (nlen = 0; fs->lfnbuf[nlen]; nlen++) ; /* Get lfn length */ - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - DIR dj; - - nent = (nlen + 14) / 15 + 2; /* Number of entries to allocate (85+C0+C1s) */ - res = dir_alloc(dp, nent); /* Allocate entries */ - if (res != FR_OK) return res; - dp->blk_ofs = dp->dptr - SZDIRE * (nent - 1); /* Set block position */ - - if (dp->obj.stat & 4) { /* Has the sub-directory been stretched? */ - dp->obj.stat &= 3; - dp->obj.objsize += (DWORD)fs->csize * SS(fs); /* Increase object size by cluster size */ - res = fill_fat_chain(&dp->obj); /* Complement FAT chain if needed */ - if (res != FR_OK) return res; - res = load_obj_dir(&dj, &dp->obj); - if (res != FR_OK) return res; /* Load the object status */ - st_qword(fs->dirbuf + XDIR_FileSize, dp->obj.objsize); /* Update the allocation status */ - st_qword(fs->dirbuf + XDIR_ValidFileSize, dp->obj.objsize); - fs->dirbuf[XDIR_GenFlags] = dp->obj.stat | 1; - res = store_xdir(&dj); /* Store the object status */ - if (res != FR_OK) return res; - } - - create_xdir(fs->dirbuf, fs->lfnbuf); /* Create on-memory directory block to be written later */ - return FR_OK; - } -#endif - /* At the FAT12/16/32 */ - mem_cpy(sn, dp->fn, 12); - if (sn[NSFLAG] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */ - dp->fn[NSFLAG] = NS_NOLFN; /* Find only SFN */ - for (n = 1; n < 100; n++) { - gen_numname(dp->fn, sn, fs->lfnbuf, n); /* Generate a numbered name */ - res = dir_find(dp); /* Check if the name collides with existing SFN */ - if (res != FR_OK) break; - } - if (n == 100) return FR_DENIED; /* Abort if too many collisions */ - if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */ - dp->fn[NSFLAG] = sn[NSFLAG]; - } - - /* Create an SFN with/without LFNs. */ - nent = (sn[NSFLAG] & NS_LFN) ? (nlen + 12) / 13 + 1 : 1; /* Number of entries to allocate */ - res = dir_alloc(dp, nent); /* Allocate entries */ - if (res == FR_OK && --nent) { /* Set LFN entry if needed */ - res = dir_sdi(dp, dp->dptr - nent * SZDIRE); - if (res == FR_OK) { - sum = sum_sfn(dp->fn); /* Checksum value of the SFN tied to the LFN */ - do { /* Store LFN entries in bottom first */ - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - put_lfn(fs->lfnbuf, dp->dir, (BYTE)nent, sum); - fs->wflag = 1; - res = dir_next(dp, 0); /* Next entry */ - } while (res == FR_OK && --nent); - } - } - -#else /* Non LFN configuration */ - res = dir_alloc(dp, 1); /* Allocate an entry for SFN */ - -#endif - - /* Set SFN entry */ - if (res == FR_OK) { - res = move_window(fs, dp->sect); - if (res == FR_OK) { - mem_set(dp->dir, 0, SZDIRE); /* Clean the entry */ - mem_cpy(dp->dir + DIR_Name, dp->fn, 11); /* Put SFN */ -#if _USE_LFN != 0 - dp->dir[DIR_NTres] = dp->fn[NSFLAG] & (NS_BODY | NS_EXT); /* Put NT flag */ -#endif - fs->wflag = 1; - } - } - - return res; -} - -#endif /* !_FS_READONLY */ - - - -#if !_FS_READONLY && _FS_MINIMIZE == 0 -/*-----------------------------------------------------------------------*/ -/* Remove an object from the directory */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT dir_remove ( /* FR_OK:Succeeded, FR_DISK_ERR:A disk error */ - DIR* dp /* Directory object pointing the entry to be removed */ -) -{ - FRESULT res; - FATFS *fs = dp->obj.fs; -#if _USE_LFN != 0 /* LFN configuration */ - DWORD last = dp->dptr; - - res = (dp->blk_ofs == 0xFFFFFFFF) ? FR_OK : dir_sdi(dp, dp->blk_ofs); /* Goto top of the entry block if LFN is exist */ - if (res == FR_OK) { - do { - res = move_window(fs, dp->sect); - if (res != FR_OK) break; - /* Mark an entry 'deleted' */ - if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { /* At the exFAT */ - dp->dir[XDIR_Type] &= 0x7F; - } else { /* At the FAT12/16/32 */ - dp->dir[DIR_Name] = DDEM; - } - fs->wflag = 1; - if (dp->dptr >= last) break; /* If reached last entry then all entries of the object has been deleted. */ - res = dir_next(dp, 0); /* Next entry */ - } while (res == FR_OK); - if (res == FR_NO_FILE) res = FR_INT_ERR; - } -#else /* Non LFN configuration */ - - res = move_window(fs, dp->sect); - if (res == FR_OK) { - dp->dir[DIR_Name] = DDEM; - fs->wflag = 1; - } -#endif - - return res; -} - -#endif /* !_FS_READONLY && _FS_MINIMIZE == 0 */ - - - -#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 -/*-----------------------------------------------------------------------*/ -/* Get file information from directory entry */ -/*-----------------------------------------------------------------------*/ - -static -void get_fileinfo ( /* No return code */ - DIR* dp, /* Pointer to the directory object */ - FILINFO* fno /* Pointer to the file information to be filled */ -) -{ - UINT i, j; - TCHAR c; - DWORD tm; -#if _USE_LFN != 0 - WCHAR w, lfv; - FATFS *fs = dp->obj.fs; -#endif - - - fno->fname[0] = 0; /* Invaidate file info */ - if (!dp->sect) return; /* Exit if read pointer has reached end of directory */ - -#if _USE_LFN != 0 /* LFN configuration */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - get_xdir_info(fs->dirbuf, fno); - return; - } else -#endif - { /* At the FAT12/16/32 */ - if (dp->blk_ofs != 0xFFFFFFFF) { /* Get LFN if available */ - i = j = 0; - while ((w = fs->lfnbuf[j++]) != 0) { /* Get an LFN character */ -#if !_LFN_UNICODE - w = ff_convert(w, 0); /* Unicode -> OEM */ - if (w == 0) { i = 0; break; } /* No LFN if it could not be converted */ - if (_DF1S && w >= 0x100) { /* Put 1st byte if it is a DBC (always false at SBCS cfg) */ - fno->fname[i++] = (char)(w >> 8); - } -#endif - if (i >= _MAX_LFN) { i = 0; break; } /* No LFN if buffer overflow */ - fno->fname[i++] = (char)w; - } - fno->fname[i] = 0; /* Terminate the LFN */ - } - } - - i = j = 0; - lfv = fno->fname[i]; /* LFN is exist if non-zero */ - while (i < 11) { /* Copy name body and extension */ - c = (TCHAR)dp->dir[i++]; - if (c == ' ') continue; /* Skip padding spaces */ - if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */ - if (i == 9) { /* Insert a . if extension is exist */ - if (!lfv) fno->fname[j] = '.'; - fno->altname[j++] = '.'; - } -#if _LFN_UNICODE - if (IsDBCS1(c) && i != 8 && i != 11 && IsDBCS2(dp->dir[i])) { - c = c << 8 | dp->dir[i++]; - } - c = ff_convert(c, 1); /* OEM -> Unicode */ - if (!c) c = '?'; -#endif - fno->altname[j] = c; - if (!lfv) { - if (IsUpper(c) && (dp->dir[DIR_NTres] & (i >= 9 ? NS_EXT : NS_BODY))) { - c += 0x20; /* To lower */ - } - fno->fname[j] = c; - } - j++; - } - if (!lfv) { - fno->fname[j] = 0; - if (!dp->dir[DIR_NTres]) j = 0; /* Altname is no longer needed if neither LFN nor case info is exist. */ - } - fno->altname[j] = 0; /* Terminate the SFN */ - -#else /* Non-LFN configuration */ - i = j = 0; - while (i < 11) { /* Copy name body and extension */ - c = (TCHAR)dp->dir[i++]; - if (c == ' ') continue; /* Skip padding spaces */ - if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */ - if (i == 9) fno->fname[j++] = '.'; /* Insert a . if extension is exist */ - fno->fname[j++] = c; - } - fno->fname[j] = 0; -#endif - - fno->fattrib = dp->dir[DIR_Attr]; /* Attribute */ - fno->fsize = ld_dword(dp->dir + DIR_FileSize); /* Size */ - tm = ld_dword(dp->dir + DIR_ModTime); /* Timestamp */ - fno->ftime = (WORD)tm; fno->fdate = (WORD)(tm >> 16); -} - -#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 */ - - - -#if _USE_FIND && _FS_MINIMIZE <= 1 -/*-----------------------------------------------------------------------*/ -/* Pattern matching */ -/*-----------------------------------------------------------------------*/ - -static -WCHAR get_achar ( /* Get a character and advances ptr 1 or 2 */ - const TCHAR** ptr /* Pointer to pointer to the SBCS/DBCS/Unicode string */ -) -{ -#if !_LFN_UNICODE - WCHAR chr; - - chr = (BYTE)*(*ptr)++; /* Get a byte */ - if (IsLower(chr)) chr -= 0x20; /* To upper ASCII char */ -#ifdef _EXCVT - if (chr >= 0x80) chr = ExCvt[chr - 0x80]; /* To upper SBCS extended char */ -#else - if (IsDBCS1(chr) && IsDBCS2(**ptr)) { /* Get DBC 2nd byte if needed */ - chr = chr << 8 | (BYTE)*(*ptr)++; - } -#endif - return chr; -#else - return ff_wtoupper(*(*ptr)++); /* Get a word and to upper */ -#endif -} - - -static -int pattern_matching ( /* 0:not matched, 1:matched */ - const TCHAR* pat, /* Matching pattern */ - const TCHAR* nam, /* String to be tested */ - int skip, /* Number of pre-skip chars (number of ?s) */ - int inf /* Infinite search (* specified) */ -) -{ - const TCHAR *pp, *np; - WCHAR pc, nc; - int nm, nx; - - - while (skip--) { /* Pre-skip name chars */ - if (!get_achar(&nam)) return 0; /* Branch mismatched if less name chars */ - } - if (!*pat && inf) return 1; /* (short circuit) */ - - do { - pp = pat; np = nam; /* Top of pattern and name to match */ - for (;;) { - if (*pp == '?' || *pp == '*') { /* Wildcard? */ - nm = nx = 0; - do { /* Analyze the wildcard chars */ - if (*pp++ == '?') nm++; else nx = 1; - } while (*pp == '?' || *pp == '*'); - if (pattern_matching(pp, np, nm, nx)) return 1; /* Test new branch (recurs upto number of wildcard blocks in the pattern) */ - nc = *np; break; /* Branch mismatched */ - } - pc = get_achar(&pp); /* Get a pattern char */ - nc = get_achar(&np); /* Get a name char */ - if (pc != nc) break; /* Branch mismatched? */ - if (pc == 0) return 1; /* Branch matched? (matched at end of both strings) */ - } - get_achar(&nam); /* nam++ */ - } while (inf && nc); /* Retry until end of name if infinite search is specified */ - - return 0; -} - -#endif /* _USE_FIND && _FS_MINIMIZE <= 1 */ - - - -/*-----------------------------------------------------------------------*/ -/* Pick a top segment and create the object name in directory form */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT create_name ( /* FR_OK: successful, FR_INVALID_NAME: could not create */ - DIR* dp, /* Pointer to the directory object */ - const TCHAR** path /* Pointer to pointer to the segment in the path string */ -) -{ -#if _USE_LFN != 0 /* LFN configuration */ - BYTE b, cf; - WCHAR w, *lfn; - UINT i, ni, si, di; - const TCHAR *p; - - /* Create LFN in Unicode */ - p = *path; lfn = dp->obj.fs->lfnbuf; si = di = 0; - for (;;) { - w = p[si++]; /* Get a character */ - if (w < ' ') break; /* Break if end of the path name */ - if (w == '/' || w == '\\') { /* Break if a separator is found */ - while (p[si] == '/' || p[si] == '\\') si++; /* Skip duplicated separator if exist */ - break; - } - if (di >= _MAX_LFN) return FR_INVALID_NAME; /* Reject too long name */ -#if !_LFN_UNICODE - w &= 0xFF; - if (IsDBCS1(w)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */ - b = (BYTE)p[si++]; /* Get 2nd byte */ - w = (w << 8) + b; /* Create a DBC */ - if (!IsDBCS2(b)) return FR_INVALID_NAME; /* Reject invalid sequence */ - } - w = ff_convert(w, 1); /* Convert ANSI/OEM to Unicode */ - if (!w) return FR_INVALID_NAME; /* Reject invalid code */ -#endif - if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) return FR_INVALID_NAME; /* Reject illegal characters for LFN */ - lfn[di++] = w; /* Store the Unicode character */ - } - *path = &p[si]; /* Return pointer to the next segment */ - cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of the path */ -#if _FS_RPATH != 0 - if ((di == 1 && lfn[di - 1] == '.') || - (di == 2 && lfn[di - 1] == '.' && lfn[di - 2] == '.')) { /* Is this segment a dot name? */ - lfn[di] = 0; - for (i = 0; i < 11; i++) /* Create dot name for SFN entry */ - dp->fn[i] = (i < di) ? '.' : ' '; - dp->fn[i] = cf | NS_DOT; /* This is a dot entry */ - return FR_OK; - } -#endif - while (di) { /* Snip off trailing spaces and dots if exist */ - w = lfn[di - 1]; - if (w != ' ' && w != '.') break; - di--; - } - lfn[di] = 0; /* LFN is created */ - if (di == 0) return FR_INVALID_NAME; /* Reject nul name */ - - /* Create SFN in directory form */ - mem_set(dp->fn, ' ', 11); - for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */ - if (si) cf |= NS_LOSS | NS_LFN; - while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */ - - b = i = 0; ni = 8; - for (;;) { - w = lfn[si++]; /* Get an LFN character */ - if (!w) break; /* Break on end of the LFN */ - if (w == ' ' || (w == '.' && si != di)) { /* Remove spaces and dots */ - cf |= NS_LOSS | NS_LFN; continue; - } - - if (i >= ni || si == di) { /* Extension or end of SFN */ - if (ni == 11) { /* Long extension */ - cf |= NS_LOSS | NS_LFN; break; - } - if (si != di) cf |= NS_LOSS | NS_LFN; /* Out of 8.3 format */ - if (si > di) break; /* No extension */ - si = di; i = 8; ni = 11; /* Enter extension section */ - b <<= 2; continue; - } - - if (w >= 0x80) { /* Non ASCII character */ -#ifdef _EXCVT - w = ff_convert(w, 0); /* Unicode -> OEM code */ - if (w) w = ExCvt[w - 0x80]; /* Convert extended character to upper (SBCS) */ -#else - w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */ -#endif - cf |= NS_LFN; /* Force create LFN entry */ - } - - if (_DF1S && w >= 0x100) { /* Is this DBC? (always false at SBCS cfg) */ - if (i >= ni - 1) { - cf |= NS_LOSS | NS_LFN; i = ni; continue; - } - dp->fn[i++] = (BYTE)(w >> 8); - } else { /* SBC */ - if (!w || chk_chr("+,;=[]", w)) { /* Replace illegal characters for SFN */ - w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */ - } else { - if (IsUpper(w)) { /* ASCII large capital */ - b |= 2; - } else { - if (IsLower(w)) { /* ASCII small capital */ - b |= 1; w -= 0x20; - } - } - } - } - dp->fn[i++] = (BYTE)w; - } - - if (dp->fn[0] == DDEM) dp->fn[0] = RDDEM; /* If the first character collides with DDEM, replace it with RDDEM */ - - if (ni == 8) b <<= 2; - if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03) cf |= NS_LFN; /* Create LFN entry when there are composite capitals */ - if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended character, NT flags are created */ - if ((b & 0x03) == 0x01) cf |= NS_EXT; /* NT flag (Extension has only small capital) */ - if ((b & 0x0C) == 0x04) cf |= NS_BODY; /* NT flag (Filename has only small capital) */ - } - - dp->fn[NSFLAG] = cf; /* SFN is created */ - - return FR_OK; - - -#else /* _USE_LFN != 0 : Non-LFN configuration */ - BYTE c, d, *sfn; - UINT ni, si, i; - const char *p; - - /* Create file name in directory form */ - p = *path; sfn = dp->fn; - mem_set(sfn, ' ', 11); - si = i = 0; ni = 8; -#if _FS_RPATH != 0 - if (p[si] == '.') { /* Is this a dot entry? */ - for (;;) { - c = (BYTE)p[si++]; - if (c != '.' || si >= 3) break; - sfn[i++] = c; - } - if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME; - *path = p + si; /* Return pointer to the next segment */ - sfn[NSFLAG] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of the path */ - return FR_OK; - } -#endif - for (;;) { - c = (BYTE)p[si++]; - if (c <= ' ') break; /* Break if end of the path name */ - if (c == '/' || c == '\\') { /* Break if a separator is found */ - while (p[si] == '/' || p[si] == '\\') si++; /* Skip duplicated separator if exist */ - break; - } - if (c == '.' || i >= ni) { /* End of body or over size? */ - if (ni == 11 || c != '.') return FR_INVALID_NAME; /* Over size or invalid dot */ - i = 8; ni = 11; /* Goto extension */ - continue; - } - if (c >= 0x80) { /* Extended character? */ -#ifdef _EXCVT - c = ExCvt[c - 0x80]; /* To upper extended characters (SBCS cfg) */ -#else -#if !_DF1S - return FR_INVALID_NAME; /* Reject extended characters (ASCII only cfg) */ -#endif -#endif - } - if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false at SBCS cfg.) */ - d = (BYTE)p[si++]; /* Get 2nd byte */ - if (!IsDBCS2(d) || i >= ni - 1) return FR_INVALID_NAME; /* Reject invalid DBC */ - sfn[i++] = c; - sfn[i++] = d; - } else { /* SBC */ - if (chk_chr("\"*+,:;<=>\?[]|\x7F", c)) return FR_INVALID_NAME; /* Reject illegal chrs for SFN */ - if (IsLower(c)) c -= 0x20; /* To upper */ - sfn[i++] = c; - } - } - *path = p + si; /* Return pointer to the next segment */ - if (i == 0) return FR_INVALID_NAME; /* Reject nul string */ - - if (sfn[0] == DDEM) sfn[0] = RDDEM; /* If the first character collides with DDEM, replace it with RDDEM */ - sfn[NSFLAG] = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of the path */ - - return FR_OK; -#endif /* _USE_LFN != 0 */ -} - - - - -/*-----------------------------------------------------------------------*/ -/* Follow a file path */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ - DIR* dp, /* Directory object to return last directory and found object */ - const TCHAR* path /* Full-path string to find a file or directory */ -) -{ - FRESULT res; - BYTE ns; - _FDID *obj = &dp->obj; - FATFS *fs = obj->fs; - - -#if _FS_RPATH != 0 - if (*path != '/' && *path != '\\') { /* Without heading separator */ - obj->sclust = fs->cdir; /* Start from the current directory */ - } else -#endif - { /* With heading separator */ - while (*path == '/' || *path == '\\') path++; /* Strip heading separator */ - obj->sclust = 0; /* Start from the root directory */ - } -#if _FS_EXFAT && _FS_RPATH != 0 - if (fs->fs_type == FS_EXFAT && obj->sclust) { /* Retrieve the sub-directory status if needed */ - DIR dj; - - obj->c_scl = fs->cdc_scl; - obj->c_size = fs->cdc_size; - obj->c_ofs = fs->cdc_ofs; - res = load_obj_dir(&dj, obj); - if (res != FR_OK) return res; - obj->objsize = ld_dword(fs->dirbuf + XDIR_FileSize); - obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; - } -#endif - - if ((UINT)*path < ' ') { /* Null path name is the origin directory itself */ - dp->fn[NSFLAG] = NS_NONAME; - res = dir_sdi(dp, 0); - - } else { /* Follow path */ - for (;;) { - res = create_name(dp, &path); /* Get a segment name of the path */ - if (res != FR_OK) break; - res = dir_find(dp); /* Find an object with the segment name */ - ns = dp->fn[NSFLAG]; - if (res != FR_OK) { /* Failed to find the object */ - if (res == FR_NO_FILE) { /* Object is not found */ - if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exist, stay there */ - if (!(ns & NS_LAST)) continue; /* Continue to follow if not last segment */ - dp->fn[NSFLAG] = NS_NONAME; - res = FR_OK; - } else { /* Could not find the object */ - if (!(ns & NS_LAST)) res = FR_NO_PATH; /* Adjust error code if not last segment */ - } - } - break; - } - if (ns & NS_LAST) break; /* Last segment matched. Function completed. */ - /* Get into the sub-directory */ - if (!(obj->attr & AM_DIR)) { /* It is not a sub-directory and cannot follow */ - res = FR_NO_PATH; break; - } -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - obj->c_scl = obj->sclust; /* Save containing directory information for next dir */ - obj->c_size = ((DWORD)obj->objsize & 0xFFFFFF00) | obj->stat; - obj->c_ofs = dp->blk_ofs; - obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Open next directory */ - obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; - obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - } else -#endif - { - obj->sclust = ld_clust(fs, fs->win + dp->dptr % SS(fs)); /* Open next directory */ - } - } - } - - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Get logical drive number from path name */ -/*-----------------------------------------------------------------------*/ - -static -int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */ - const TCHAR** path /* Pointer to pointer to the path name */ -) -{ - const TCHAR *tp, *tt; - UINT i; - int vol = -1; -#if _STR_VOLUME_ID /* Find string drive id */ - static const char* const str[] = {_VOLUME_STRS}; - const char *sp; - char c; - TCHAR tc; -#endif - - - if (*path) { /* If the pointer is not a null */ - for (tt = *path; (UINT)*tt >= (_USE_LFN ? ' ' : '!') && *tt != ':'; tt++) ; /* Find ':' in the path */ - if (*tt == ':') { /* If a ':' is exist in the path name */ - tp = *path; - i = *tp++ - '0'; - if (i < 10 && tp == tt) { /* Is there a numeric drive id? */ - if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ - vol = (int)i; - *path = ++tt; - } - } -#if _STR_VOLUME_ID - else { /* No numeric drive number, find string drive id */ - i = 0; tt++; - do { - sp = str[i]; tp = *path; - do { /* Compare a string drive id with path name */ - c = *sp++; tc = *tp++; - if (IsLower(tc)) tc -= 0x20; - } while (c && (TCHAR)c == tc); - } while ((c || tp != tt) && ++i < _VOLUMES); /* Repeat for each id until pattern match */ - if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ - vol = (int)i; - *path = tt; - } - } -#endif - return vol; - } -#if _FS_RPATH != 0 && _VOLUMES >= 2 - vol = CurrVol; /* Current drive */ -#else - vol = 0; /* Drive 0 */ -#endif - } - return vol; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Load a sector and check if it is an FAT boot sector */ -/*-----------------------------------------------------------------------*/ - -static -BYTE check_fs ( /* 0:FAT, 1:exFAT, 2:Valid BS but not FAT, 3:Not a BS, 4:Disk error */ - FATFS* fs, /* File system object */ - DWORD sect /* Sector# (lba) to check if it is an FAT-VBR or not */ -) -{ - fs->wflag = 0; fs->winsect = 0xFFFFFFFF; /* Invaidate window */ - if (move_window(fs, sect) != FR_OK) return 4; /* Load boot record */ - - if (ld_word(fs->win + BS_55AA) != 0xAA55) return 3; /* Check boot record signature (always placed at offset 510 even if the sector size is >512) */ - - if (fs->win[BS_JmpBoot] == 0xE9 || (fs->win[BS_JmpBoot] == 0xEB && fs->win[BS_JmpBoot + 2] == 0x90)) { - if ((ld_dword(fs->win + BS_FilSysType) & 0xFFFFFF) == 0x544146) return 0; /* Check "FAT" string */ - if (ld_dword(fs->win + BS_FilSysType32) == 0x33544146) return 0; /* Check "FAT3" string */ - } -#if _FS_EXFAT - if (!mem_cmp(fs->win + BS_JmpBoot, "\xEB\x76\x90" "EXFAT ", 11)) return 1; -#endif - return 2; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Find logical drive and check if the volume is mounted */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */ - const TCHAR** path, /* Pointer to pointer to the path name (drive number) */ - FATFS** rfs, /* Pointer to pointer to the found file system object */ - BYTE mode /* !=0: Check write protection for write access */ -) -{ - BYTE fmt, *pt; - int vol; - DSTATUS stat; - DWORD bsect, fasize, tsect, sysect, nclst, szbfat, br[4]; - WORD nrsv; - FATFS *fs; - UINT i; - - - /* Get logical drive number from the path name */ - *rfs = 0; - vol = get_ldnumber(path); - if (vol < 0) return FR_INVALID_DRIVE; - - /* Check if the file system object is valid or not */ - fs = FatFs[vol]; /* Get pointer to the file system object */ - if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */ - - ENTER_FF(fs); /* Lock the volume */ - *rfs = fs; /* Return pointer to the file system object */ - - mode &= ~FA_READ; /* Desired access mode, write access or not */ - if (fs->fs_type) { /* If the volume has been mounted */ - stat = disk_status(fs->drv); - if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized */ - if (!_FS_READONLY && mode && (stat & STA_PROTECT)) { /* Check write protection if needed */ - return FR_WRITE_PROTECTED; - } - return FR_OK; /* The file system object is valid */ - } - } - - /* The file system object is not valid. */ - /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */ - - fs->fs_type = 0; /* Clear the file system object */ - fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */ - stat = disk_initialize(fs->drv); /* Initialize the physical drive */ - if (stat & STA_NOINIT) { /* Check if the initialization succeeded */ - return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */ - } - if (!_FS_READONLY && mode && (stat & STA_PROTECT)) { /* Check disk write protection if needed */ - return FR_WRITE_PROTECTED; - } -#if _MAX_SS != _MIN_SS /* Get sector size (multiple sector size cfg only) */ - if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK) return FR_DISK_ERR; - if (SS(fs) > _MAX_SS || SS(fs) < _MIN_SS || (SS(fs) & (SS(fs) - 1))) return FR_DISK_ERR; -#endif - /* Find an FAT partition on the drive. Supports only generic partitioning, FDISK and SFD. */ - bsect = 0; - fmt = check_fs(fs, bsect); /* Load sector 0 and check if it is an FAT-VBR as SFD */ - if (fmt == 2 || (fmt < 2 && LD2PT(vol) != 0)) { /* Not an FAT-VBR or forced partition number */ - for (i = 0; i < 4; i++) { /* Get partition offset */ - pt = fs->win + (MBR_Table + i * SZ_PTE); - br[i] = pt[PTE_System] ? ld_dword(pt + PTE_StLba) : 0; - } - i = LD2PT(vol); /* Partition number: 0:auto, 1-4:forced */ - if (i) i--; - do { /* Find an FAT volume */ - bsect = br[i]; - fmt = bsect ? check_fs(fs, bsect) : 3; /* Check the partition */ - } while (!LD2PT(vol) && fmt >= 2 && ++i < 4); - } - if (fmt == 4) return FR_DISK_ERR; /* An error occured in the disk I/O layer */ - if (fmt >= 2) return FR_NO_FILESYSTEM; /* No FAT volume is found */ - - /* An FAT volume is found. Following code initializes the file system object */ - -#if _FS_EXFAT - if (fmt == 1) { - QWORD maxlba; - - for (i = BPB_ZeroedEx; i < BPB_ZeroedEx + 53 && fs->win[i] == 0; i++) ; /* Check zero filler */ - if (i < BPB_ZeroedEx + 53) return FR_NO_FILESYSTEM; - - if (ld_word(fs->win + BPB_FSVerEx) != 0x100) return FR_NO_FILESYSTEM; /* Check exFAT revision (Must be 1.0) */ - - if (1 << fs->win[BPB_BytsPerSecEx] != SS(fs)) /* (BPB_BytsPerSecEx must be equal to the physical sector size) */ - return FR_NO_FILESYSTEM; - - maxlba = ld_qword(fs->win + BPB_TotSecEx) + bsect; /* Last LBA + 1 of the volume */ - if (maxlba >= 0x100000000) return FR_NO_FILESYSTEM; /* (It cannot be handled in 32-bit LBA) */ - - fs->fsize = ld_dword(fs->win + BPB_FatSzEx); /* Number of sectors per FAT */ - - fs->n_fats = fs->win[BPB_NumFATsEx]; /* Number of FATs */ - if (fs->n_fats != 1) return FR_NO_FILESYSTEM; /* (Supports only 1 FAT) */ - - fs->csize = 1 << fs->win[BPB_SecPerClusEx]; /* Cluster size */ - if (fs->csize == 0) return FR_NO_FILESYSTEM; /* (Must be 1..32768) */ - - nclst = ld_dword(fs->win + BPB_NumClusEx); /* Number of clusters */ - if (nclst > MAX_EXFAT) return FR_NO_FILESYSTEM; /* (Too many clusters) */ - fs->n_fatent = nclst + 2; - - /* Boundaries and Limits */ - fs->volbase = bsect; - fs->database = bsect + ld_dword(fs->win + BPB_DataOfsEx); - fs->fatbase = bsect + ld_dword(fs->win + BPB_FatOfsEx); - if (maxlba < fs->database + nclst * fs->csize) return FR_NO_FILESYSTEM; /* (Volume size must not be smaller than the size requiered) */ - fs->dirbase = ld_dword(fs->win + BPB_RootClusEx); - - /* Check if bitmap location is in assumption (at the first cluster) */ - if (move_window(fs, clust2sect(fs, fs->dirbase)) != FR_OK) return FR_DISK_ERR; - for (i = 0; i < SS(fs); i += SZDIRE) { - if (fs->win[i] == 0x81 && ld_dword(fs->win + i + 20) == 2) break; /* 81 entry with cluster #2? */ - } - if (i == SS(fs)) return FR_NO_FILESYSTEM; -#if !_FS_READONLY - fs->last_clst = fs->free_clst = 0xFFFFFFFF; /* Initialize cluster allocation information */ -#endif - fmt = FS_EXFAT; /* FAT sub-type */ - } else -#endif /* _FS_EXFAT */ - { - if (ld_word(fs->win + BPB_BytsPerSec) != SS(fs)) return FR_NO_FILESYSTEM; /* (BPB_BytsPerSec must be equal to the physical sector size) */ - - fasize = ld_word(fs->win + BPB_FATSz16); /* Number of sectors per FAT */ - if (fasize == 0) fasize = ld_dword(fs->win + BPB_FATSz32); - fs->fsize = fasize; - - fs->n_fats = fs->win[BPB_NumFATs]; /* Number of FATs */ - if (fs->n_fats != 1 && fs->n_fats != 2) return FR_NO_FILESYSTEM; /* (Must be 1 or 2) */ - fasize *= fs->n_fats; /* Number of sectors for FAT area */ - - fs->csize = fs->win[BPB_SecPerClus]; /* Cluster size */ - if (fs->csize == 0 || (fs->csize & (fs->csize - 1))) return FR_NO_FILESYSTEM; /* (Must be power of 2) */ - - fs->n_rootdir = ld_word(fs->win + BPB_RootEntCnt); /* Number of root directory entries */ - if (fs->n_rootdir % (SS(fs) / SZDIRE)) return FR_NO_FILESYSTEM; /* (Must be sector aligned) */ - - tsect = ld_word(fs->win + BPB_TotSec16); /* Number of sectors on the volume */ - if (tsect == 0) tsect = ld_dword(fs->win + BPB_TotSec32); - - nrsv = ld_word(fs->win + BPB_RsvdSecCnt); /* Number of reserved sectors */ - if (nrsv == 0) return FR_NO_FILESYSTEM; /* (Must not be 0) */ - - /* Determine the FAT sub type */ - sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZDIRE); /* RSV + FAT + DIR */ - if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ - nclst = (tsect - sysect) / fs->csize; /* Number of clusters */ - if (nclst == 0) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ - fmt = FS_FAT32; - if (nclst <= MAX_FAT16) fmt = FS_FAT16; - if (nclst <= MAX_FAT12) fmt = FS_FAT12; - - /* Boundaries and Limits */ - fs->n_fatent = nclst + 2; /* Number of FAT entries */ - fs->volbase = bsect; /* Volume start sector */ - fs->fatbase = bsect + nrsv; /* FAT start sector */ - fs->database = bsect + sysect; /* Data start sector */ - if (fmt == FS_FAT32) { - if (ld_word(fs->win + BPB_FSVer32) != 0) return FR_NO_FILESYSTEM; /* (Must be FAT32 revision 0.0) */ - if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */ - fs->dirbase = ld_dword(fs->win + BPB_RootClus32); /* Root directory start cluster */ - szbfat = fs->n_fatent * 4; /* (Needed FAT size) */ - } else { - if (fs->n_rootdir == 0) return FR_NO_FILESYSTEM;/* (BPB_RootEntCnt must not be 0) */ - fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */ - szbfat = (fmt == FS_FAT16) ? /* (Needed FAT size) */ - fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1); - } - if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) return FR_NO_FILESYSTEM; /* (BPB_FATSz must not be less than the size needed) */ - -#if !_FS_READONLY - /* Get FSINFO if available */ - fs->last_clst = fs->free_clst = 0xFFFFFFFF; /* Initialize cluster allocation information */ - fs->fsi_flag = 0x80; -#if (_FS_NOFSINFO & 3) != 3 - if (fmt == FS_FAT32 /* Enable FSINFO only if FAT32 and BPB_FSInfo32 == 1 */ - && ld_word(fs->win + BPB_FSInfo32) == 1 - && move_window(fs, bsect + 1) == FR_OK) - { - fs->fsi_flag = 0; - if (ld_word(fs->win + BS_55AA) == 0xAA55 /* Load FSINFO data if available */ - && ld_dword(fs->win + FSI_LeadSig) == 0x41615252 - && ld_dword(fs->win + FSI_StrucSig) == 0x61417272) - { -#if (_FS_NOFSINFO & 1) == 0 - fs->free_clst = ld_dword(fs->win + FSI_Free_Count); -#endif -#if (_FS_NOFSINFO & 2) == 0 - fs->last_clst = ld_dword(fs->win + FSI_Nxt_Free); -#endif - } - } -#endif /* (_FS_NOFSINFO & 3) != 3 */ -#endif /* !_FS_READONLY */ - } - - fs->fs_type = fmt; /* FAT sub-type */ - fs->id = ++Fsid; /* File system mount ID */ -#if _USE_LFN == 1 - fs->lfnbuf = LfnBuf; /* Static LFN working buffer */ -#if _FS_EXFAT - fs->dirbuf = DirBuf; /* Static directory block working buuffer */ -#endif -#endif -#if _FS_RPATH != 0 - fs->cdir = 0; /* Initialize current directory */ -#endif -#if _FS_LOCK != 0 /* Clear file lock semaphores */ - clear_lock(fs); -#endif - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Check if the file/directory object is valid or not */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT validate ( /* Returns FR_OK or FR_INVALID_OBJECT */ - void* dfp, /* Pointer to the FIL/DIR object to check validity */ - FATFS** fs /* Pointer to pointer to the owner file system object to return */ -) -{ - _FDID *obj = (_FDID*)dfp; /* Assuming .obj in the FIL/DIR is the first member */ - FRESULT res; - - - if (!dfp || !obj->fs || !obj->fs->fs_type || obj->fs->id != obj->id || (disk_status(obj->fs->drv) & STA_NOINIT)) { - *fs = 0; /* The object is invalid */ - res = FR_INVALID_OBJECT; - } else { - *fs = obj->fs; /* Owner file sytem object */ - ENTER_FF(obj->fs); /* Lock file system */ - res = FR_OK; - } - return res; -} - - - - -/*--------------------------------------------------------------------------- - - Public Functions (FatFs API) - -----------------------------------------------------------------------------*/ - - - -/*-----------------------------------------------------------------------*/ -/* Mount/Unmount a Logical Drive */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mount ( - FATFS* fs, /* Pointer to the file system object (NULL:unmount)*/ - const TCHAR* path, /* Logical drive number to be mounted/unmounted */ - BYTE opt /* Mode option 0:Do not mount (delayed mount), 1:Mount immediately */ -) -{ - FATFS *cfs; - int vol; - FRESULT res; - const TCHAR *rp = path; - - - vol = get_ldnumber(&rp); - if (vol < 0) return FR_INVALID_DRIVE; - cfs = FatFs[vol]; /* Pointer to fs object */ - - if (cfs) { -#if _FS_LOCK != 0 - clear_lock(cfs); -#endif -#if _FS_REENTRANT /* Discard sync object of the current volume */ - if (!ff_del_syncobj(cfs->sobj)) return FR_INT_ERR; -#endif - cfs->fs_type = 0; /* Clear old fs object */ - } - - if (fs) { - fs->fs_type = 0; /* Clear new fs object */ -#if _FS_REENTRANT /* Create sync object for the new volume */ - if (!ff_cre_syncobj((BYTE)vol, &fs->sobj)) return FR_INT_ERR; -#endif - } - FatFs[vol] = fs; /* Register new fs object */ - - if (!fs || opt != 1) return FR_OK; /* Do not mount now, it will be mounted later */ - - res = find_volume(&path, &fs, 0); /* Force mounted the volume */ - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Open or Create a File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_open ( - FIL* fp, /* Pointer to the blank file object */ - const TCHAR* path, /* Pointer to the file name */ - BYTE mode /* Access mode and file open mode flags */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; -#if !_FS_READONLY - DWORD dw, cl, bcs, clst, sc; - FSIZE_t ofs; -#endif - DEF_NAMBUF - - - if (!fp) return FR_INVALID_OBJECT; - - /* Get logical drive number */ - mode &= _FS_READONLY ? FA_READ : FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_CREATE_NEW | FA_OPEN_ALWAYS | FA_OPEN_APPEND | FA_SEEKEND; - res = find_volume(&path, &fs, mode); - if (res == FR_OK) { - dj.obj.fs = fs; - INIT_NAMBUF(fs); - res = follow_path(&dj, path); /* Follow the file path */ -#if !_FS_READONLY /* R/W configuration */ - if (res == FR_OK) { - if (dj.fn[NSFLAG] & NS_NONAME) { /* Origin directory itself? */ - res = FR_INVALID_NAME; - } -#if _FS_LOCK != 0 - else { - res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0); - } -#endif - } - /* Create or Open a file */ - if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) { - if (res != FR_OK) { /* No file, create new */ - if (res == FR_NO_FILE) /* There is no file to open, create a new entry */ -#if _FS_LOCK != 0 - res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; -#else - res = dir_register(&dj); -#endif - mode |= FA_CREATE_ALWAYS; /* File is created */ - } - else { /* Any object is already existing */ - if (dj.obj.attr & (AM_RDO | AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */ - res = FR_DENIED; - } else { - if (mode & FA_CREATE_NEW) res = FR_EXIST; /* Cannot create as new file */ - } - } - if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */ - dw = GET_FATTIME(); -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - /* Get current allocation info */ - fp->obj.fs = fs; - fp->obj.sclust = ld_dword(fs->dirbuf + XDIR_FstClus); - fp->obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - fp->obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; - /* Initialize directory entry block */ - st_dword(fs->dirbuf + XDIR_CrtTime, dw); /* Set created time */ - fs->dirbuf[XDIR_CrtTime10] = 0; - st_dword(fs->dirbuf + XDIR_ModTime, dw); /* Set modified time */ - fs->dirbuf[XDIR_ModTime10] = 0; - fs->dirbuf[XDIR_Attr] = AM_ARC; /* Reset attribute */ - st_dword(fs->dirbuf + XDIR_FstClus, 0); /* Reset file allocation info */ - st_qword(fs->dirbuf + XDIR_FileSize, 0); - st_qword(fs->dirbuf + XDIR_ValidFileSize, 0); - fs->dirbuf[XDIR_GenFlags] = 1; - res = store_xdir(&dj); - if (res == FR_OK && fp->obj.sclust) { /* Remove the cluster chain if exist */ - res = remove_chain(&fp->obj, fp->obj.sclust, 0); - fs->last_clst = fp->obj.sclust - 1; /* Reuse the cluster hole */ - } - } else -#endif - { - /* Clean directory info */ - st_dword(dj.dir + DIR_CrtTime, dw); /* Set created time */ - st_dword(dj.dir + DIR_ModTime, dw); /* Set modified time */ - dj.dir[DIR_Attr] = AM_ARC; /* Reset attribute */ - cl = ld_clust(fs, dj.dir); /* Get cluster chain */ - st_clust(fs, dj.dir, 0); /* Reset file allocation info */ - st_dword(dj.dir + DIR_FileSize, 0); - fs->wflag = 1; - - if (cl) { /* Remove the cluster chain if exist */ - dw = fs->winsect; - res = remove_chain(&dj.obj, cl, 0); - if (res == FR_OK) { - res = move_window(fs, dw); - fs->last_clst = cl - 1; /* Reuse the cluster hole */ - } - } - } - } - } - else { /* Open an existing file */ - if (res == FR_OK) { /* Following succeeded */ - if (dj.obj.attr & AM_DIR) { /* It is a directory */ - res = FR_NO_FILE; - } else { - if ((mode & FA_WRITE) && (dj.obj.attr & AM_RDO)) { /* R/O violation */ - res = FR_DENIED; - } - } - } - } - if (res == FR_OK) { - if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */ - mode |= FA_MODIFIED; - fp->dir_sect = fs->winsect; /* Pointer to the directory entry */ - fp->dir_ptr = dj.dir; -#if _FS_LOCK != 0 - fp->obj.lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0); - if (!fp->obj.lockid) res = FR_INT_ERR; -#endif - } -#else /* R/O configuration */ - if (res == FR_OK) { - if (dj.fn[NSFLAG] & NS_NONAME) { /* Origin directory itself? */ - res = FR_INVALID_NAME; - } else { - if (dj.obj.attr & AM_DIR) { /* It is a directory */ - res = FR_NO_FILE; - } - } - } -#endif - - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fp->obj.sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Get allocation info */ - fp->obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - fp->obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; - fp->obj.c_scl = dj.obj.sclust; - fp->obj.c_size = ((DWORD)dj.obj.objsize & 0xFFFFFF00) | dj.obj.stat; - fp->obj.c_ofs = dj.blk_ofs; - } else -#endif - { - fp->obj.sclust = ld_clust(fs, dj.dir); /* Get allocation info */ - fp->obj.objsize = ld_dword(dj.dir + DIR_FileSize); - } -#if _USE_FASTSEEK - fp->cltbl = 0; /* Disable fast seek mode */ -#endif - fp->obj.fs = fs; /* Validate the file object */ - fp->obj.id = fs->id; - fp->flag = mode; /* Set file access mode */ - fp->err = 0; /* Clear error flag */ - fp->sect = 0; /* Invalidate current data sector */ - fp->fptr = 0; /* Set file pointer top of the file */ -#if !_FS_READONLY -#if !_FS_TINY - mem_set(fp->buf, 0, _MAX_SS); /* Clear sector buffer */ -#endif - if ((mode & FA_SEEKEND) && fp->obj.objsize > 0) { /* Seek to end of file if FA_OPEN_APPEND is specified */ - fp->fptr = fp->obj.objsize; /* Offset to seek */ - bcs = (DWORD)fs->csize * SS(fs); /* Cluster size in byte */ - clst = fp->obj.sclust; /* Follow the cluster chain */ - for (ofs = fp->obj.objsize; res == FR_OK && ofs > bcs; ofs -= bcs) { - clst = get_fat(&fp->obj, clst); - if (clst <= 1) res = FR_INT_ERR; - if (clst == 0xFFFFFFFF) res = FR_DISK_ERR; - } - fp->clust = clst; - if (res == FR_OK && ofs % SS(fs)) { /* Fill sector buffer if not on the sector boundary */ - if ((sc = clust2sect(fs, clst)) == 0) { - res = FR_INT_ERR; - } else { - fp->sect = sc + (DWORD)(ofs / SS(fs)); -#if !_FS_TINY - if (disk_read(fs->drv, fp->buf, fp->sect, 1) != RES_OK) res = FR_DISK_ERR; -#endif - } - } - } -#endif - } - - FREE_NAMBUF(); - } - - if (res != FR_OK) fp->obj.fs = 0; /* Invalidate file object on error */ - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_read ( - FIL* fp, /* Pointer to the file object */ - void* buff, /* Pointer to data buffer */ - UINT btr, /* Number of bytes to read */ - UINT* br /* Pointer to number of bytes read */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, sect; - FSIZE_t remain; - UINT rcnt, cc, csect; - BYTE *rbuff = (BYTE*)buff; - - - *br = 0; /* Clear read byte counter */ - res = validate(fp, &fs); - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - remain = fp->obj.objsize - fp->fptr; - if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */ - - for ( ; btr; /* Repeat until all data read */ - rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { - if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ - csect = (UINT)(fp->fptr / SS(fs) & (fs->csize - 1)); /* Sector offset in the cluster */ - if (csect == 0) { /* On the cluster boundary? */ - if (fp->fptr == 0) { /* On the top of the file? */ - clst = fp->obj.sclust; /* Follow cluster chain from the origin */ - } else { /* Middle or end of the file */ -#if _USE_FASTSEEK - if (fp->cltbl) { - clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ - } else -#endif - { - clst = get_fat(&fp->obj, fp->clust); /* Follow cluster chain on the FAT */ - } - } - if (clst < 2) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->clust = clst; /* Update current cluster */ - } - sect = clust2sect(fs, fp->clust); /* Get current sector */ - if (!sect) ABORT(fs, FR_INT_ERR); - sect += csect; - cc = btr / SS(fs); /* When remaining bytes >= sector size, */ - if (cc) { /* Read maximum contiguous sectors directly */ - if (csect + cc > fs->csize) { /* Clip at cluster boundary */ - cc = fs->csize - csect; - } - if (disk_read(fs->drv, rbuff, sect, cc) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } -#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */ -#if _FS_TINY - if (fs->wflag && fs->winsect - sect < cc) { - mem_cpy(rbuff + ((fs->winsect - sect) * SS(fs)), fs->win, SS(fs)); - } -#else - if ((fp->flag & FA_DIRTY) && fp->sect - sect < cc) { - mem_cpy(rbuff + ((fp->sect - sect) * SS(fs)), fp->buf, SS(fs)); - } -#endif -#endif - rcnt = SS(fs) * cc; /* Number of bytes transferred */ - continue; - } -#if !_FS_TINY - if (fp->sect != sect) { /* Load data sector if not in cache */ -#if !_FS_READONLY - if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - fp->flag &= ~FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) { /* Fill sector cache */ - ABORT(fs, FR_DISK_ERR); - } - } -#endif - fp->sect = sect; - } - rcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ - if (rcnt > btr) rcnt = btr; /* Clip it by btr if needed */ -#if _FS_TINY - if (move_window(fs, fp->sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window */ - mem_cpy(rbuff, fs->win + fp->fptr % SS(fs), rcnt); /* Extract partial sector */ -#else - mem_cpy(rbuff, fp->buf + fp->fptr % SS(fs), rcnt); /* Extract partial sector */ -#endif - } - - LEAVE_FF(fs, FR_OK); -} - - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Write File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_write ( - FIL* fp, /* Pointer to the file object */ - const void* buff, /* Pointer to the data to be written */ - UINT btw, /* Number of bytes to write */ - UINT* bw /* Pointer to number of bytes written */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, sect; - UINT wcnt, cc, csect; - const BYTE *wbuff = (const BYTE*)buff; - - - *bw = 0; /* Clear write byte counter */ - res = validate(fp, &fs); - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - - /* Check fptr wrap-around (file size cannot exceed the limit on each FAT specs) */ - if ((_FS_EXFAT && fs->fs_type == FS_EXFAT && fp->fptr + btw < fp->fptr) - || (DWORD)fp->fptr + btw < (DWORD)fp->fptr) { - btw = (UINT)(0xFFFFFFFF - (DWORD)fp->fptr); - } - - for ( ; btw; /* Repeat until all data written */ - wbuff += wcnt, fp->fptr += wcnt, fp->obj.objsize = (fp->fptr > fp->obj.objsize) ? fp->fptr : fp->obj.objsize, *bw += wcnt, btw -= wcnt) { - if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ - csect = (UINT)(fp->fptr / SS(fs)) & (fs->csize - 1); /* Sector offset in the cluster */ - if (csect == 0) { /* On the cluster boundary? */ - if (fp->fptr == 0) { /* On the top of the file? */ - clst = fp->obj.sclust; /* Follow from the origin */ - if (clst == 0) { /* If no cluster is allocated, */ - clst = create_chain(&fp->obj, 0); /* create a new cluster chain */ - } - } else { /* On the middle or end of the file */ -#if _USE_FASTSEEK - if (fp->cltbl) { - clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ - } else -#endif - { - clst = create_chain(&fp->obj, fp->clust); /* Follow or stretch cluster chain on the FAT */ - } - } - if (clst == 0) break; /* Could not allocate a new cluster (disk full) */ - if (clst == 1) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->clust = clst; /* Update current cluster */ - if (fp->obj.sclust == 0) fp->obj.sclust = clst; /* Set start cluster if the first write */ - } -#if _FS_TINY - if (fs->winsect == fp->sect && sync_window(fs) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Write-back sector cache */ -#else - if (fp->flag & FA_DIRTY) { /* Write-back sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - fp->flag &= ~FA_DIRTY; - } -#endif - sect = clust2sect(fs, fp->clust); /* Get current sector */ - if (!sect) ABORT(fs, FR_INT_ERR); - sect += csect; - cc = btw / SS(fs); /* When remaining bytes >= sector size, */ - if (cc) { /* Write maximum contiguous sectors directly */ - if (csect + cc > fs->csize) { /* Clip at cluster boundary */ - cc = fs->csize - csect; - } - if (disk_write(fs->drv, wbuff, sect, cc) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } -#if _FS_MINIMIZE <= 2 -#if _FS_TINY - if (fs->winsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ - mem_cpy(fs->win, wbuff + ((fs->winsect - sect) * SS(fs)), SS(fs)); - fs->wflag = 0; - } -#else - if (fp->sect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ - mem_cpy(fp->buf, wbuff + ((fp->sect - sect) * SS(fs)), SS(fs)); - fp->flag &= ~FA_DIRTY; - } -#endif -#endif - wcnt = SS(fs) * cc; /* Number of bytes transferred */ - continue; - } -#if _FS_TINY - if (fp->fptr >= fp->obj.objsize) { /* Avoid silly cache filling at growing edge */ - if (sync_window(fs) != FR_OK) ABORT(fs, FR_DISK_ERR); - fs->winsect = sect; - } -#else - if (fp->sect != sect) { /* Fill sector cache with file data */ - if (fp->fptr < fp->obj.objsize && - disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) { - ABORT(fs, FR_DISK_ERR); - } - } -#endif - fp->sect = sect; - } - wcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ - if (wcnt > btw) wcnt = btw; /* Clip it by btw if needed */ -#if _FS_TINY - if (move_window(fs, fp->sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window */ - mem_cpy(fs->win + fp->fptr % SS(fs), wbuff, wcnt); /* Fit data to the sector */ - fs->wflag = 1; -#else - mem_cpy(fp->buf + fp->fptr % SS(fs), wbuff, wcnt); /* Fit data to the sector */ - fp->flag |= FA_DIRTY; -#endif - } - - fp->flag |= FA_MODIFIED; /* Set file change flag */ - - LEAVE_FF(fs, FR_OK); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Synchronize the File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_sync ( - FIL* fp /* Pointer to the file object */ -) -{ - FRESULT res; - FATFS *fs; - DWORD tm; - BYTE *dir; - DEF_NAMBUF - - - res = validate(fp, &fs); /* Check validity of the object */ - if (res == FR_OK) { - if (fp->flag & FA_MODIFIED) { /* Is there any change to the file? */ -#if !_FS_TINY - if (fp->flag & FA_DIRTY) { /* Write-back cached data if needed */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) LEAVE_FF(fs, FR_DISK_ERR); - fp->flag &= ~FA_DIRTY; - } -#endif - /* Update the directory entry */ - tm = GET_FATTIME(); /* Modified time */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - res = fill_fat_chain(&fp->obj); /* Create FAT chain if needed */ - if (res == FR_OK) { - DIR dj; - - INIT_NAMBUF(fs); - res = load_obj_dir(&dj, &fp->obj); /* Load directory entry block */ - if (res == FR_OK) { - fs->dirbuf[XDIR_Attr] |= AM_ARC; /* Set archive bit */ - fs->dirbuf[XDIR_GenFlags] = fp->obj.stat | 1; /* Update file allocation info */ - st_dword(fs->dirbuf + XDIR_FstClus, fp->obj.sclust); - st_qword(fs->dirbuf + XDIR_FileSize, fp->obj.objsize); - st_qword(fs->dirbuf + XDIR_ValidFileSize, fp->obj.objsize); - st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Update modified time */ - fs->dirbuf[XDIR_ModTime10] = 0; - st_dword(fs->dirbuf + XDIR_AccTime, 0); - res = store_xdir(&dj); /* Restore it to the directory */ - if (res == FR_OK) { - res = sync_fs(fs); - fp->flag &= ~FA_MODIFIED; - } - } - FREE_NAMBUF(); - } - } else -#endif - { - res = move_window(fs, fp->dir_sect); - if (res == FR_OK) { - dir = fp->dir_ptr; - dir[DIR_Attr] |= AM_ARC; /* Set archive bit */ - st_clust(fp->obj.fs, dir, fp->obj.sclust); /* Update file allocation info */ - st_dword(dir + DIR_FileSize, (DWORD)fp->obj.objsize); /* Update file size */ - st_dword(dir + DIR_ModTime, tm); /* Update modified time */ - st_word(dir + DIR_LstAccDate, 0); - fs->wflag = 1; - res = sync_fs(fs); /* Restore it to the directory */ - fp->flag &= ~FA_MODIFIED; - } - } - } - } - - LEAVE_FF(fs, res); -} - -#endif /* !_FS_READONLY */ - - - - -/*-----------------------------------------------------------------------*/ -/* Close File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_close ( - FIL* fp /* Pointer to the file object to be closed */ -) -{ - FRESULT res; - FATFS *fs; - -#if !_FS_READONLY - res = f_sync(fp); /* Flush cached data */ - if (res == FR_OK) -#endif - { - res = validate(fp, &fs); /* Lock volume */ - if (res == FR_OK) { -#if _FS_LOCK != 0 - res = dec_lock(fp->obj.lockid); /* Decrement file open counter */ - if (res == FR_OK) -#endif - { - fp->obj.fs = 0; /* Invalidate file object */ - } -#if _FS_REENTRANT - unlock_fs(fs, FR_OK); /* Unlock volume */ -#endif - } - } - return res; -} - - - - -#if _FS_RPATH >= 1 -/*-----------------------------------------------------------------------*/ -/* Change Current Directory or Current Drive, Get Current Directory */ -/*-----------------------------------------------------------------------*/ - -#if _VOLUMES >= 2 -FRESULT f_chdrive ( - const TCHAR* path /* Drive number */ -) -{ - int vol; - - - vol = get_ldnumber(&path); - if (vol < 0) return FR_INVALID_DRIVE; - - CurrVol = (BYTE)vol; - - return FR_OK; -} -#endif - - -FRESULT f_chdir ( - const TCHAR* path /* Pointer to the directory path */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - DEF_NAMBUF - - /* Get logical drive number */ - res = find_volume(&path, &fs, 0); - if (res == FR_OK) { - dj.obj.fs = fs; - INIT_NAMBUF(fs); - res = follow_path(&dj, path); /* Follow the path */ - if (res == FR_OK) { /* Follow completed */ - if (dj.fn[NSFLAG] & NS_NONAME) { - fs->cdir = dj.obj.sclust; /* It is the start directory itself */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fs->cdc_scl = dj.obj.c_scl; - fs->cdc_size = dj.obj.c_size; - fs->cdc_ofs = dj.obj.c_ofs; - } -#endif - } else { - if (dj.obj.attr & AM_DIR) { /* It is a sub-directory */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fs->cdir = ld_dword(fs->dirbuf + XDIR_FstClus); /* Sub-directory cluster */ - fs->cdc_scl = dj.obj.sclust; /* Save containing directory information */ - fs->cdc_size = ((DWORD)dj.obj.objsize & 0xFFFFFF00) | dj.obj.stat; - fs->cdc_ofs = dj.blk_ofs; - } else -#endif - { - fs->cdir = ld_clust(fs, dj.dir); /* Sub-directory cluster */ - } - } else { - res = FR_NO_PATH; /* Reached but a file */ - } - } - } - FREE_NAMBUF(); - if (res == FR_NO_FILE) res = FR_NO_PATH; - } - - LEAVE_FF(fs, res); -} - - -#if _FS_RPATH >= 2 -FRESULT f_getcwd ( - TCHAR* buff, /* Pointer to the directory path */ - UINT len /* Size of path */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - UINT i, n; - DWORD ccl; - TCHAR *tp; - FILINFO fno; - DEF_NAMBUF - - - *buff = 0; - /* Get logical drive number */ - res = find_volume((const TCHAR**)&buff, &fs, 0); /* Get current volume */ - if (res == FR_OK) { - dj.obj.fs = fs; - INIT_NAMBUF(fs); - i = len; /* Bottom of buffer (directory stack base) */ - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { /* (Cannot do getcwd on exFAT and returns root path) */ - dj.obj.sclust = fs->cdir; /* Start to follow upper directory from current directory */ - while ((ccl = dj.obj.sclust) != 0) { /* Repeat while current directory is a sub-directory */ - res = dir_sdi(&dj, 1 * SZDIRE); /* Get parent directory */ - if (res != FR_OK) break; - res = move_window(fs, dj.sect); - if (res != FR_OK) break; - dj.obj.sclust = ld_clust(fs, dj.dir); /* Goto parent directory */ - res = dir_sdi(&dj, 0); - if (res != FR_OK) break; - do { /* Find the entry links to the child directory */ - res = dir_read(&dj, 0); - if (res != FR_OK) break; - if (ccl == ld_clust(fs, dj.dir)) break; /* Found the entry */ - res = dir_next(&dj, 0); - } while (res == FR_OK); - if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */ - if (res != FR_OK) break; - get_fileinfo(&dj, &fno); /* Get the directory name and push it to the buffer */ - for (n = 0; fno.fname[n]; n++) ; - if (i < n + 3) { - res = FR_NOT_ENOUGH_CORE; break; - } - while (n) buff[--i] = fno.fname[--n]; - buff[--i] = '/'; - } - } - tp = buff; - if (res == FR_OK) { -#if _VOLUMES >= 2 - *tp++ = '0' + CurrVol; /* Put drive number */ - *tp++ = ':'; -#endif - if (i == len) { /* Root-directory */ - *tp++ = '/'; - } else { /* Sub-directroy */ - do /* Add stacked path str */ - *tp++ = buff[i++]; - while (i < len); - } - } - *tp = 0; - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - -#endif /* _FS_RPATH >= 2 */ -#endif /* _FS_RPATH >= 1 */ - - - -#if _FS_MINIMIZE <= 2 -/*-----------------------------------------------------------------------*/ -/* Seek File R/W Pointer */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_lseek ( - FIL* fp, /* Pointer to the file object */ - FSIZE_t ofs /* File pointer from top of file */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, bcs, nsect; - FSIZE_t ifptr; -#if _USE_FASTSEEK - DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl; -#endif - - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ -#if _USE_FASTSEEK - if (fp->cltbl) { /* Fast seek */ - if (ofs == CREATE_LINKMAP) { /* Create CLMT */ - tbl = fp->cltbl; - tlen = *tbl++; ulen = 2; /* Given table size and required table size */ - cl = fp->obj.sclust; /* Origin of the chain */ - if (cl) { - do { - /* Get a fragment */ - tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */ - do { - pcl = cl; ncl++; - cl = get_fat(&fp->obj, cl); - if (cl <= 1) ABORT(fs, FR_INT_ERR); - if (cl == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - } while (cl == pcl + 1); - if (ulen <= tlen) { /* Store the length and top of the fragment */ - *tbl++ = ncl; *tbl++ = tcl; - } - } while (cl < fs->n_fatent); /* Repeat until end of chain */ - } - *fp->cltbl = ulen; /* Number of items used */ - if (ulen <= tlen) { - *tbl = 0; /* Terminate table */ - } else { - res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */ - } - } else { /* Fast seek */ - if (ofs > fp->obj.objsize) ofs = fp->obj.objsize; /* Clip offset at the file size */ - fp->fptr = ofs; /* Set file pointer */ - if (ofs) { - fp->clust = clmt_clust(fp, ofs - 1); - dsc = clust2sect(fs, fp->clust); - if (!dsc) ABORT(fs, FR_INT_ERR); - dsc += (DWORD)((ofs - 1) / SS(fs)) & (fs->csize - 1); - if (fp->fptr % SS(fs) && dsc != fp->sect) { /* Refill sector cache if needed */ -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fp, FR_DISK_ERR); - fp->flag &= ~FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, dsc, 1) != RES_OK) { /* Load current sector */ - ABORT(fs, FR_DISK_ERR); - } -#endif - fp->sect = dsc; - } - } - } - } else -#endif - - /* Normal Seek */ - { - if (ofs > fp->obj.objsize && (_FS_READONLY || !(fp->flag & FA_WRITE))) { /* In read-only mode, clip offset with the file size */ - ofs = fp->obj.objsize; - } - ifptr = fp->fptr; - fp->fptr = nsect = 0; - if (ofs) { - bcs = (DWORD)fs->csize * SS(fs); /* Cluster size (byte) */ - if (ifptr > 0 && - (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */ - fp->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */ - ofs -= fp->fptr; - clst = fp->clust; - } else { /* When seek to back cluster, */ - clst = fp->obj.sclust; /* start from the first cluster */ -#if !_FS_READONLY - if (clst == 0) { /* If no cluster chain, create a new chain */ - clst = create_chain(&fp->obj, 0); - if (clst == 1) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->obj.sclust = clst; - } -#endif - fp->clust = clst; - } - if (clst != 0) { - while (ofs > bcs) { /* Cluster following loop */ -#if !_FS_READONLY - if (fp->flag & FA_WRITE) { /* Check if in write mode or not */ - clst = create_chain(&fp->obj, clst); /* Force stretch if in write mode */ - if (clst == 0) { /* When disk gets full, clip file size */ - ofs = bcs; break; - } - } else -#endif - clst = get_fat(&fp->obj, clst); /* Follow cluster chain if not in write mode */ - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - if (clst <= 1 || clst >= fs->n_fatent) ABORT(fs, FR_INT_ERR); - fp->clust = clst; - fp->fptr += bcs; - ofs -= bcs; - } - fp->fptr += ofs; - if (ofs % SS(fs)) { - nsect = clust2sect(fs, clst); /* Current sector */ - if (!nsect) ABORT(fs, FR_INT_ERR); - nsect += (DWORD)(ofs / SS(fs)); - } - } - } - if (fp->fptr % SS(fs) && nsect != fp->sect) { /* Fill sector cache if needed */ -#if !_FS_TINY -#if !_FS_READONLY - if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - fp->flag &= ~FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, nsect, 1) != RES_OK) { /* Fill sector cache */ - ABORT(fs, FR_DISK_ERR); - } -#endif - fp->sect = nsect; - } -#if !_FS_READONLY - if (fp->fptr > fp->obj.objsize) { /* Set file change flag if the file size is extended */ - fp->obj.objsize = fp->fptr; - fp->flag |= FA_MODIFIED; - } -#endif - } - - LEAVE_FF(fs, res); -} - - - -#if _FS_MINIMIZE <= 1 -/*-----------------------------------------------------------------------*/ -/* Create a Directory Object */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_opendir ( - DIR* dp, /* Pointer to directory object to create */ - const TCHAR* path /* Pointer to the directory path */ -) -{ - FRESULT res; - FATFS *fs; - _FDID *obj; - DEF_NAMBUF - - - if (!dp) return FR_INVALID_OBJECT; - - /* Get logical drive number */ - obj = &dp->obj; - res = find_volume(&path, &fs, 0); - if (res == FR_OK) { - obj->fs = fs; - INIT_NAMBUF(fs); - res = follow_path(dp, path); /* Follow the path to the directory */ - if (res == FR_OK) { /* Follow completed */ - if (!(dp->fn[NSFLAG] & NS_NONAME)) { /* It is not the origin directory itself */ - if (obj->attr & AM_DIR) { /* This object is a sub-directory */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - obj->c_scl = obj->sclust; /* Save containing directory inforamation */ - obj->c_size = ((DWORD)obj->objsize & 0xFFFFFF00) | obj->stat; - obj->c_ofs = dp->blk_ofs; - obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Get object location and status */ - obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; - } else -#endif - { - obj->sclust = ld_clust(fs, dp->dir); /* Get object location */ - } - } else { /* This object is a file */ - res = FR_NO_PATH; - } - } - if (res == FR_OK) { - obj->id = fs->id; - res = dir_sdi(dp, 0); /* Rewind directory */ -#if _FS_LOCK != 0 - if (res == FR_OK) { - if (obj->sclust) { - obj->lockid = inc_lock(dp, 0); /* Lock the sub directory */ - if (!obj->lockid) res = FR_TOO_MANY_OPEN_FILES; - } else { - obj->lockid = 0; /* Root directory need not to be locked */ - } - } -#endif - } - } - FREE_NAMBUF(); - if (res == FR_NO_FILE) res = FR_NO_PATH; - } - if (res != FR_OK) obj->fs = 0; /* Invalidate the directory object if function faild */ - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Close Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_closedir ( - DIR *dp /* Pointer to the directory object to be closed */ -) -{ - FRESULT res; - FATFS *fs; - - - res = validate(dp, &fs); - if (res == FR_OK) { -#if _FS_LOCK != 0 - if (dp->obj.lockid) { /* Decrement sub-directory open counter */ - res = dec_lock(dp->obj.lockid); - } - if (res == FR_OK) -#endif - { - dp->obj.fs = 0; /* Invalidate directory object */ - } -#if _FS_REENTRANT - unlock_fs(fs, FR_OK); /* Unlock volume */ -#endif - } - return res; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Read Directory Entries in Sequence */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_readdir ( - DIR* dp, /* Pointer to the open directory object */ - FILINFO* fno /* Pointer to file information to return */ -) -{ - FRESULT res; - FATFS *fs; - DEF_NAMBUF - - - res = validate(dp, &fs); /* Check validity of the object */ - if (res == FR_OK) { - if (!fno) { - res = dir_sdi(dp, 0); /* Rewind the directory object */ - } else { - INIT_NAMBUF(fs); - res = dir_read(dp, 0); /* Read an item */ - if (res == FR_NO_FILE) res = FR_OK; /* Ignore end of directory */ - if (res == FR_OK) { /* A valid entry is found */ - get_fileinfo(dp, fno); /* Get the object information */ - res = dir_next(dp, 0); /* Increment index for next */ - if (res == FR_NO_FILE) res = FR_OK; /* Ignore end of directory now */ - } - FREE_NAMBUF(); - } - } - LEAVE_FF(fs, res); -} - - - -#if _USE_FIND -/*-----------------------------------------------------------------------*/ -/* Find Next File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_findnext ( - DIR* dp, /* Pointer to the open directory object */ - FILINFO* fno /* Pointer to the file information structure */ -) -{ - FRESULT res; - - - for (;;) { - res = f_readdir(dp, fno); /* Get a directory item */ - if (res != FR_OK || !fno || !fno->fname[0]) break; /* Terminate if any error or end of directory */ - if (pattern_matching(dp->pat, fno->fname, 0, 0)) break; /* Test for the file name */ -#if _USE_LFN != 0 && _USE_FIND == 2 - if (pattern_matching(dp->pat, fno->altname, 0, 0)) break; /* Test for alternative name if exist */ -#endif - } - return res; -} - - - -/*-----------------------------------------------------------------------*/ -/* Find First File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_findfirst ( - DIR* dp, /* Pointer to the blank directory object */ - FILINFO* fno, /* Pointer to the file information structure */ - const TCHAR* path, /* Pointer to the directory to open */ - const TCHAR* pattern /* Pointer to the matching pattern */ -) -{ - FRESULT res; - - - dp->pat = pattern; /* Save pointer to pattern string */ - res = f_opendir(dp, path); /* Open the target directory */ - if (res == FR_OK) { - res = f_findnext(dp, fno); /* Find the first item */ - } - return res; -} - -#endif /* _USE_FIND */ - - - -#if _FS_MINIMIZE == 0 -/*-----------------------------------------------------------------------*/ -/* Get File Status */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_stat ( - const TCHAR* path, /* Pointer to the file path */ - FILINFO* fno /* Pointer to file information to return */ -) -{ - FRESULT res; - DIR dj; - DEF_NAMBUF - - - /* Get logical drive number */ - res = find_volume(&path, &dj.obj.fs, 0); - if (res == FR_OK) { - INIT_NAMBUF(dj.obj.fs); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK) { /* Follow completed */ - if (dj.fn[NSFLAG] & NS_NONAME) { /* It is origin directory */ - res = FR_INVALID_NAME; - } else { /* Found an object */ - if (fno) get_fileinfo(&dj, fno); - } - } - FREE_NAMBUF(); - } - - LEAVE_FF(dj.obj.fs, res); -} - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Get Number of Free Clusters */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_getfree ( - const TCHAR* path, /* Path name of the logical drive number */ - DWORD* nclst, /* Pointer to a variable to return number of free clusters */ - FATFS** fatfs /* Pointer to return pointer to corresponding file system object */ -) -{ - FRESULT res; - FATFS *fs; - DWORD nfree, clst, sect, stat; - UINT i; - BYTE *p; - _FDID obj; - - - /* Get logical drive number */ - res = find_volume(&path, &fs, 0); - if (res == FR_OK) { - *fatfs = fs; /* Return ptr to the fs object */ - /* If free_clst is valid, return it without full cluster scan */ - if (fs->free_clst <= fs->n_fatent - 2) { - *nclst = fs->free_clst; - } else { - /* Get number of free clusters */ - nfree = 0; - if (fs->fs_type == FS_FAT12) { /* FAT12: Sector unalighed FAT entries */ - clst = 2; obj.fs = fs; - do { - stat = get_fat(&obj, clst); - if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } - if (stat == 1) { res = FR_INT_ERR; break; } - if (stat == 0) nfree++; - } while (++clst < fs->n_fatent); - } else { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* exFAT: Scan bitmap table */ - BYTE bm; - UINT b; - - clst = fs->n_fatent - 2; - sect = fs->database; - i = 0; - do { - if (i == 0 && (res = move_window(fs, sect++)) != FR_OK) break; - for (b = 8, bm = fs->win[i]; b && clst; b--, clst--) { - if (!(bm & 1)) nfree++; - bm >>= 1; - } - i = (i + 1) % SS(fs); - } while (clst); - } else -#endif - { /* FAT16/32: Sector alighed FAT entries */ - clst = fs->n_fatent; sect = fs->fatbase; - i = 0; p = 0; - do { - if (i == 0) { - res = move_window(fs, sect++); - if (res != FR_OK) break; - p = fs->win; - i = SS(fs); - } - if (fs->fs_type == FS_FAT16) { - if (ld_word(p) == 0) nfree++; - p += 2; i -= 2; - } else { - if ((ld_dword(p) & 0x0FFFFFFF) == 0) nfree++; - p += 4; i -= 4; - } - } while (--clst); - } - } - *nclst = nfree; /* Return the free clusters */ - fs->free_clst = nfree; /* Now free_clst is valid */ - fs->fsi_flag |= 1; /* FSInfo is to be updated */ - } - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Truncate File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_truncate ( - FIL* fp /* Pointer to the file object */ -) -{ - FRESULT res; - FATFS *fs; - DWORD ncl; - - - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - - if (fp->obj.objsize > fp->fptr) { - if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */ - res = remove_chain(&fp->obj, fp->obj.sclust, 0); - fp->obj.sclust = 0; - } else { /* When truncate a part of the file, remove remaining clusters */ - ncl = get_fat(&fp->obj, fp->clust); - res = FR_OK; - if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (ncl == 1) res = FR_INT_ERR; - if (res == FR_OK && ncl < fs->n_fatent) { - res = remove_chain(&fp->obj, ncl, fp->clust); - } - } - fp->obj.objsize = fp->fptr; /* Set file size to current R/W point */ - fp->flag |= FA_MODIFIED; -#if !_FS_TINY - if (res == FR_OK && (fp->flag & FA_DIRTY)) { - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { - res = FR_DISK_ERR; - } else { - fp->flag &= ~FA_DIRTY; - } - } -#endif - if (res != FR_OK) ABORT(fs, res); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Delete a File/Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_unlink ( - const TCHAR* path /* Pointer to the file or directory path */ -) -{ - FRESULT res; - DIR dj, sdj; - DWORD dclst = 0; - FATFS *fs; -#if _FS_EXFAT - _FDID obj; -#endif - DEF_NAMBUF - - - /* Get logical drive number */ - res = find_volume(&path, &fs, FA_WRITE); - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(fs); - res = follow_path(&dj, path); /* Follow the file path */ - if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT)) { - res = FR_INVALID_NAME; /* Cannot remove dot entry */ - } -#if _FS_LOCK != 0 - if (res == FR_OK) res = chk_lock(&dj, 2); /* Check if it is an open object */ -#endif - if (res == FR_OK) { /* The object is accessible */ - if (dj.fn[NSFLAG] & NS_NONAME) { - res = FR_INVALID_NAME; /* Cannot remove the origin directory */ - } else { - if (dj.obj.attr & AM_RDO) { - res = FR_DENIED; /* Cannot remove R/O object */ - } - } - if (res == FR_OK) { -#if _FS_EXFAT - obj.fs = fs; - if (fs->fs_type == FS_EXFAT) { - obj.sclust = dclst = ld_dword(fs->dirbuf + XDIR_FstClus); - obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); - obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; - } else -#endif - { - dclst = ld_clust(fs, dj.dir); - } - if (dj.obj.attr & AM_DIR) { /* Is it a sub-directory ? */ -#if _FS_RPATH != 0 - if (dclst == fs->cdir) { /* Is it the current directory? */ - res = FR_DENIED; - } else -#endif - { - sdj.obj.fs = fs; /* Open the sub-directory */ - sdj.obj.sclust = dclst; -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - sdj.obj.objsize = obj.objsize; - sdj.obj.stat = obj.stat; - } -#endif - res = dir_sdi(&sdj, 0); - if (res == FR_OK) { - res = dir_read(&sdj, 0); /* Read an item */ - if (res == FR_OK) res = FR_DENIED; /* Not empty? */ - if (res == FR_NO_FILE) res = FR_OK; /* Empty? */ - } - } - } - } - if (res == FR_OK) { - res = dir_remove(&dj); /* Remove the directory entry */ - if (res == FR_OK && dclst) { /* Remove the cluster chain if exist */ -#if _FS_EXFAT - res = remove_chain(&obj, dclst, 0); -#else - res = remove_chain(&dj.obj, dclst, 0); -#endif - } - if (res == FR_OK) res = sync_fs(fs); - } - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Create a Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mkdir ( - const TCHAR* path /* Pointer to the directory path */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - BYTE *dir; - UINT n; - DWORD dsc, dcl, pcl, tm; - DEF_NAMBUF - - - /* Get logical drive number */ - res = find_volume(&path, &fs, FA_WRITE); - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(fs); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */ - if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NSFLAG] & NS_DOT)) { - res = FR_INVALID_NAME; - } - if (res == FR_NO_FILE) { /* Can create a new directory */ - dcl = create_chain(&dj.obj, 0); /* Allocate a cluster for the new directory table */ - dj.obj.objsize = (DWORD)fs->csize * SS(fs); - res = FR_OK; - if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */ - if (dcl == 1) res = FR_INT_ERR; - if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (res == FR_OK) res = sync_window(fs); /* Flush FAT */ - tm = GET_FATTIME(); - if (res == FR_OK) { /* Initialize the new directory table */ - dsc = clust2sect(fs, dcl); - dir = fs->win; - mem_set(dir, 0, SS(fs)); - if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { - mem_set(dir + DIR_Name, ' ', 11); /* Create "." entry */ - dir[DIR_Name] = '.'; - dir[DIR_Attr] = AM_DIR; - st_dword(dir + DIR_ModTime, tm); - st_clust(fs, dir, dcl); - mem_cpy(dir + SZDIRE, dir, SZDIRE); /* Create ".." entry */ - dir[SZDIRE + 1] = '.'; pcl = dj.obj.sclust; - if (fs->fs_type == FS_FAT32 && pcl == fs->dirbase) pcl = 0; - st_clust(fs, dir + SZDIRE, pcl); - } - for (n = fs->csize; n; n--) { /* Write dot entries and clear following sectors */ - fs->winsect = dsc++; - fs->wflag = 1; - res = sync_window(fs); - if (res != FR_OK) break; - mem_set(dir, 0, SS(fs)); - } - } - if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */ - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* Initialize directory entry block */ - st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Created time */ - st_dword(fs->dirbuf + XDIR_FstClus, dcl); /* Table start cluster */ - st_dword(fs->dirbuf + XDIR_FileSize, (DWORD)dj.obj.objsize); /* File size needs to be valid */ - st_dword(fs->dirbuf + XDIR_ValidFileSize, (DWORD)dj.obj.objsize); - fs->dirbuf[XDIR_GenFlags] = 3; /* Initialize the object flag (contiguous) */ - fs->dirbuf[XDIR_Attr] = AM_DIR; /* Attribute */ - res = store_xdir(&dj); - } else -#endif - { - dir = dj.dir; - st_dword(dir + DIR_ModTime, tm); /* Created time */ - st_clust(fs, dir, dcl); /* Table start cluster */ - dir[DIR_Attr] = AM_DIR; /* Attribute */ - fs->wflag = 1; - } - if (res == FR_OK) res = sync_fs(fs); - } else { - remove_chain(&dj.obj, dcl, 0); /* Could not register, remove cluster chain */ - } - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Rename a File/Directory */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_rename ( - const TCHAR* path_old, /* Pointer to the object name to be renamed */ - const TCHAR* path_new /* Pointer to the new name */ -) -{ - FRESULT res; - DIR djo, djn; - FATFS *fs; - BYTE buf[_FS_EXFAT ? SZDIRE * 2 : 24], *dir; - DWORD dw; - DEF_NAMBUF - - - get_ldnumber(&path_new); /* Ignore drive number of new name */ - res = find_volume(&path_old, &fs, FA_WRITE); /* Get logical drive number of the old object */ - if (res == FR_OK) { - djo.obj.fs = fs; - INIT_NAMBUF(fs); - res = follow_path(&djo, path_old); /* Check old object */ - if (res == FR_OK && (djo.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check validity of name */ -#if _FS_LOCK != 0 - if (res == FR_OK) res = chk_lock(&djo, 2); -#endif - if (res == FR_OK) { /* Object to be renamed is found */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At exFAT */ - BYTE nf, nn; - WORD nh; - - mem_cpy(buf, fs->dirbuf, SZDIRE * 2); /* Save 85+C0 entry of old object */ - mem_cpy(&djn, &djo, sizeof djo); - res = follow_path(&djn, path_new); /* Make sure if new object name is not in use */ - if (res == FR_OK) res = FR_EXIST; /* Is new name already in use? */ - if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ - res = dir_register(&djn); /* Register the new entry */ - if (res == FR_OK) { - nf = fs->dirbuf[XDIR_NumSec]; nn = fs->dirbuf[XDIR_NumName]; - nh = ld_word(fs->dirbuf + XDIR_NameHash); - mem_cpy(fs->dirbuf, buf, SZDIRE * 2); - fs->dirbuf[XDIR_NumSec] = nf; fs->dirbuf[XDIR_NumName] = nn; - st_word(fs->dirbuf + XDIR_NameHash, nh); -/* Start of critical section where any interruption can cause a cross-link */ - res = store_xdir(&djn); - } - } - } else -#endif - { /* At FAT12/FAT16/FAT32 */ - mem_cpy(buf, djo.dir + DIR_Attr, 21); /* Save information about the object except name */ - mem_cpy(&djn, &djo, sizeof (DIR)); /* Duplicate the directory object */ - res = follow_path(&djn, path_new); /* Make sure if new object name is not in use */ - if (res == FR_OK) res = FR_EXIST; /* Is new name already in use? */ - if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ - res = dir_register(&djn); /* Register the new entry */ - if (res == FR_OK) { - dir = djn.dir; /* Copy information about object except name */ - mem_cpy(dir + 13, buf + 2, 19); - dir[DIR_Attr] = buf[0] | AM_ARC; - fs->wflag = 1; - if ((dir[DIR_Attr] & AM_DIR) && djo.obj.sclust != djn.obj.sclust) { /* Update .. entry in the sub-directory if needed */ - dw = clust2sect(fs, ld_clust(fs, dir)); - if (!dw) { - res = FR_INT_ERR; - } else { -/* Start of critical section where any interruption can cause a cross-link */ - res = move_window(fs, dw); - dir = fs->win + SZDIRE * 1; /* Ptr to .. entry */ - if (res == FR_OK && dir[1] == '.') { - st_clust(fs, dir, djn.obj.sclust); - fs->wflag = 1; - } - } - } - } - } - } - if (res == FR_OK) { - res = dir_remove(&djo); /* Remove old entry */ - if (res == FR_OK) { - res = sync_fs(fs); - } - } -/* End of critical section */ - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - -#endif /* !_FS_READONLY */ -#endif /* _FS_MINIMIZE == 0 */ -#endif /* _FS_MINIMIZE <= 1 */ -#endif /* _FS_MINIMIZE <= 2 */ - - - -#if _USE_CHMOD && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Change Attribute */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_chmod ( - const TCHAR* path, /* Pointer to the file path */ - BYTE attr, /* Attribute bits */ - BYTE mask /* Attribute mask to change */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - DEF_NAMBUF - - - res = find_volume(&path, &fs, FA_WRITE); /* Get logical drive number */ - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(fs); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK && (dj.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check object validity */ - if (res == FR_OK) { - mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC; /* Valid attribute mask */ -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - fs->dirbuf[XDIR_Attr] = (attr & mask) | (fs->dirbuf[XDIR_Attr] & (BYTE)~mask); /* Apply attribute change */ - res = store_xdir(&dj); - } else -#endif - { - dj.dir[DIR_Attr] = (attr & mask) | (dj.dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */ - fs->wflag = 1; - } - if (res == FR_OK) res = sync_fs(fs); - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Change Timestamp */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_utime ( - const TCHAR* path, /* Pointer to the file/directory name */ - const FILINFO* fno /* Pointer to the time stamp to be set */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - DEF_NAMBUF - - - res = find_volume(&path, &fs, FA_WRITE); /* Get logical drive number */ - dj.obj.fs = fs; - if (res == FR_OK) { - INIT_NAMBUF(fs); - res = follow_path(&dj, path); /* Follow the file path */ - if (res == FR_OK && (dj.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check object validity */ - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - st_dword(fs->dirbuf + XDIR_ModTime, (DWORD)fno->fdate << 16 | fno->ftime); - res = store_xdir(&dj); - } else -#endif - { - st_dword(dj.dir + DIR_ModTime, (DWORD)fno->fdate << 16 | fno->ftime); - fs->wflag = 1; - } - if (res == FR_OK) res = sync_fs(fs); - } - FREE_NAMBUF(); - } - - LEAVE_FF(fs, res); -} - -#endif /* _USE_CHMOD && !_FS_READONLY */ - - - -#if _USE_LABEL -/*-----------------------------------------------------------------------*/ -/* Get Volume Label */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_getlabel ( - const TCHAR* path, /* Path name of the logical drive number */ - TCHAR* label, /* Pointer to a buffer to return the volume label */ - DWORD* vsn /* Pointer to a variable to return the volume serial number */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - UINT si, di; -#if _LFN_UNICODE || _FS_EXFAT - WCHAR w; -#endif - - /* Get logical drive number */ - res = find_volume(&path, &fs, 0); - - /* Get volume label */ - if (res == FR_OK && label) { - dj.obj.fs = fs; dj.obj.sclust = 0; /* Open root directory */ - res = dir_sdi(&dj, 0); - if (res == FR_OK) { - res = dir_read(&dj, 1); /* Find a volume label entry */ - if (res == FR_OK) { -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - for (si = di = 0; si < dj.dir[XDIR_NumLabel]; si++) { /* Extract volume label from 83 entry */ - w = ld_word(dj.dir + XDIR_Label + si * 2); -#if _LFN_UNICODE - label[di++] = w; -#else - w = ff_convert(w, 0); /* Unicode -> OEM */ - if (w == 0) w = '?'; /* Replace wrong character */ - if (_DF1S && w >= 0x100) label[di++] = (char)(w >> 8); - label[di++] = (char)w; -#endif - } - label[di] = 0; - } else -#endif - { - si = di = 0; /* Extract volume label from AM_VOL entry with code comversion */ - do { -#if _LFN_UNICODE - w = (si < 11) ? dj.dir[si++] : ' '; - if (IsDBCS1(w) && si < 11 && IsDBCS2(dj.dir[si])) { - w = w << 8 | dj.dir[si++]; - } - label[di++] = ff_convert(w, 1); /* OEM -> Unicode */ -#else - label[di++] = dj.dir[si++]; -#endif - } while (di < 11); - do { /* Truncate trailing spaces */ - label[di] = 0; - if (di == 0) break; - } while (label[--di] == ' '); - } - } - } - if (res == FR_NO_FILE) { /* No label entry and return nul string */ - label[0] = 0; - res = FR_OK; - } - } - - /* Get volume serial number */ - if (res == FR_OK && vsn) { - res = move_window(fs, fs->volbase); - if (res == FR_OK) { - switch (fs->fs_type) { - case FS_EXFAT: di = BPB_VolIDEx; break; - case FS_FAT32: di = BS_VolID32; break; - default: di = BS_VolID; - } - *vsn = ld_dword(fs->win + di); - } - } - - LEAVE_FF(fs, res); -} - - - -#if !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Set Volume Label */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_setlabel ( - const TCHAR* label /* Pointer to the volume label to set */ -) -{ - FRESULT res; - DIR dj; - FATFS *fs; - BYTE dirvn[22]; - UINT i, j, slen; - WCHAR w; - static const char badchr[] = "\"*+,.:;<=>\?[]|\x7F"; - - - /* Get logical drive number */ - res = find_volume(&label, &fs, FA_WRITE); - if (res != FR_OK) LEAVE_FF(fs, res); - dj.obj.fs = fs; - - /* Get length of given volume label */ - for (slen = 0; (UINT)label[slen] >= ' '; slen++) ; /* Get name length */ - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { /* At the exFAT */ - for (i = j = 0; i < slen; ) { /* Create volume label in directory form */ - w = label[i++]; -#if !_LFN_UNICODE - if (IsDBCS1(w)) { - w = (i < slen && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0; - } - w = ff_convert(w, 1); -#endif - if (w == 0 || chk_chr(badchr, w) || j == 22) { /* Check validity check validity of the volume label */ - LEAVE_FF(fs, FR_INVALID_NAME); - } - st_word(dirvn + j, w); j += 2; - } - slen = j; - } else -#endif - { /* At the FAT12/16/32 */ - for ( ; slen && label[slen - 1] == ' '; slen--) ; /* Remove trailing spaces */ - if (slen) { /* Is there a volume label to be set? */ - dirvn[0] = 0; i = j = 0; /* Create volume label in directory form */ - do { -#if _LFN_UNICODE - w = ff_convert(ff_wtoupper(label[i++]), 0); -#else - w = (BYTE)label[i++]; - if (IsDBCS1(w)) { - w = (j < 10 && i < slen && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0; - } -#if _USE_LFN != 0 - w = ff_convert(ff_wtoupper(ff_convert(w, 1)), 0); -#else - if (IsLower(w)) w -= 0x20; /* To upper ASCII characters */ -#ifdef _EXCVT - if (w >= 0x80) w = ExCvt[w - 0x80]; /* To upper extended characters (SBCS cfg) */ -#else - if (!_DF1S && w >= 0x80) w = 0; /* Reject extended characters (ASCII cfg) */ -#endif -#endif -#endif - if (w == 0 || chk_chr(badchr, w) || j >= (UINT)((w >= 0x100) ? 10 : 11)) { /* Reject invalid characters for volume label */ - LEAVE_FF(fs, FR_INVALID_NAME); - } - if (w >= 0x100) dirvn[j++] = (BYTE)(w >> 8); - dirvn[j++] = (BYTE)w; - } while (i < slen); - while (j < 11) dirvn[j++] = ' '; /* Fill remaining name field */ - if (dirvn[0] == DDEM) LEAVE_FF(fs, FR_INVALID_NAME); /* Reject illegal name (heading DDEM) */ - } - } - - /* Set volume label */ - dj.obj.sclust = 0; /* Open root directory */ - res = dir_sdi(&dj, 0); - if (res == FR_OK) { - res = dir_read(&dj, 1); /* Get volume label entry */ - if (res == FR_OK) { - if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { - dj.dir[XDIR_NumLabel] = slen / 2; /* Change the volume label */ - mem_cpy(dj.dir + XDIR_Label, dirvn, slen); - } else { - if (slen) { - mem_cpy(dj.dir, dirvn, 11); /* Change the volume label */ - } else { - dj.dir[DIR_Name] = DDEM; /* Remove the volume label */ - } - } - fs->wflag = 1; - res = sync_fs(fs); - } else { /* No volume label entry is found or error */ - if (res == FR_NO_FILE) { - res = FR_OK; - if (slen) { /* Create a volume label entry */ - res = dir_alloc(&dj, 1); /* Allocate an entry */ - if (res == FR_OK) { - mem_set(dj.dir, 0, SZDIRE); /* Clear the entry */ - if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { - dj.dir[XDIR_Type] = 0x83; /* Create 83 entry */ - dj.dir[XDIR_NumLabel] = slen / 2; - mem_cpy(dj.dir + XDIR_Label, dirvn, slen); - } else { - dj.dir[DIR_Attr] = AM_VOL; /* Create volume label entry */ - mem_cpy(dj.dir, dirvn, 11); - } - fs->wflag = 1; - res = sync_fs(fs); - } - } - } - } - } - - LEAVE_FF(fs, res); -} - -#endif /* !_FS_READONLY */ -#endif /* _USE_LABEL */ - - - -#if _USE_EXPAND && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Allocate a Contiguous Blocks to the File */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_expand ( - FIL* fp, /* Pointer to the file object */ - FSIZE_t fsz, /* File size to be expanded to */ - BYTE opt /* Operation mode 0:Find and prepare or 1:Find and allocate */ -) -{ - FRESULT res; - FATFS *fs; - DWORD n, clst, stcl, scl, ncl, tcl, lclst; - - - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (fsz == 0 || fp->obj.objsize != 0 || !(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); -#if _FS_EXFAT - if (fs->fs_type != FS_EXFAT && fsz >= 0x100000000) LEAVE_FF(fs, FR_DENIED); /* Check if in size limit */ -#endif - n = (DWORD)fs->csize * SS(fs); /* Cluster size */ - tcl = (DWORD)(fsz / n) + ((fsz & (n - 1)) ? 1 : 0); /* Number of clusters required */ - stcl = fs->last_clst; lclst = 0; - if (stcl < 2 || stcl >= fs->n_fatent) stcl = 2; - -#if _FS_EXFAT - if (fs->fs_type == FS_EXFAT) { - scl = find_bitmap(fs, stcl, tcl); /* Find a contiguous cluster block */ - if (scl == 0) res = FR_DENIED; /* No contiguous cluster block was found */ - if (scl == 0xFFFFFFFF) res = FR_DISK_ERR; - if (res == FR_OK) { - if (opt) { - res = change_bitmap(fs, scl, tcl, 1); /* Mark the cluster block 'in use' */ - lclst = scl + tcl - 1; - } else { - lclst = scl - 1; - } - } - } else -#endif - { - scl = clst = stcl; ncl = 0; - for (;;) { /* Find a contiguous cluster block */ - n = get_fat(&fp->obj, clst); - if (++clst >= fs->n_fatent) clst = 2; - if (n == 1) { res = FR_INT_ERR; break; } - if (n == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } - if (n == 0) { /* Is it a free cluster? */ - if (++ncl == tcl) break; /* Break if a contiguous cluster block is found */ - } else { - scl = clst; ncl = 0; /* Not a free cluster */ - } - if (clst == stcl) { res = FR_DENIED; break; } /* No contiguous cluster? */ - } - if (res == FR_OK) { - if (opt) { - for (clst = scl; tcl; clst++, tcl--) { /* Create a cluster chain on the FAT */ - res = put_fat(fs, clst, (tcl == 1) ? 0xFFFFFFFF : clst + 1); - if (res != FR_OK) break; - lclst = clst; - } - } else { - lclst = scl - 1; - } - } - } - - if (opt && res == FR_OK) { - fs->last_clst = lclst; /* Set suggested start cluster to start next */ - fp->obj.sclust = scl; /* Update object allocation information */ - fp->obj.objsize = fsz; - if (_FS_EXFAT) fp->obj.stat = 2; /* Set status 'contiguous chain' */ - fp->flag |= FA_MODIFIED; - } - - LEAVE_FF(fs, res); -} - -#endif /* _USE_EXPAND && !_FS_READONLY */ - - - -#if _USE_FORWARD -/*-----------------------------------------------------------------------*/ -/* Forward data to the stream directly */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_forward ( - FIL* fp, /* Pointer to the file object */ - UINT (*func)(const BYTE*,UINT), /* Pointer to the streaming function */ - UINT btf, /* Number of bytes to forward */ - UINT* bf /* Pointer to number of bytes forwarded */ -) -{ - FRESULT res; - FATFS *fs; - DWORD clst, sect; - FSIZE_t remain; - UINT rcnt, csect; - BYTE *dbuf; - - - *bf = 0; /* Clear transfer byte counter */ - res = validate(fp, &fs); /* Check validity of the object */ - if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ - if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ - - remain = fp->obj.objsize - fp->fptr; - if (btf > remain) btf = (UINT)remain; /* Truncate btf by remaining bytes */ - - for ( ; btf && (*func)(0, 0); /* Repeat until all data transferred or stream goes busy */ - fp->fptr += rcnt, *bf += rcnt, btf -= rcnt) { - csect = (UINT)(fp->fptr / SS(fs) & (fs->csize - 1)); /* Sector offset in the cluster */ - if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ - if (csect == 0) { /* On the cluster boundary? */ - clst = (fp->fptr == 0) ? /* On the top of the file? */ - fp->obj.sclust : get_fat(&fp->obj, fp->clust); - if (clst <= 1) ABORT(fs, FR_INT_ERR); - if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); - fp->clust = clst; /* Update current cluster */ - } - } - sect = clust2sect(fs, fp->clust); /* Get current data sector */ - if (!sect) ABORT(fs, FR_INT_ERR); - sect += csect; -#if _FS_TINY - if (move_window(fs, sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window to the file data */ - dbuf = fs->win; -#else - if (fp->sect != sect) { /* Fill sector cache with file data */ -#if !_FS_READONLY - if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - fp->flag &= ~FA_DIRTY; - } -#endif - if (disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); - } - dbuf = fp->buf; -#endif - fp->sect = sect; - rcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ - if (rcnt > btf) rcnt = btf; /* Clip it by btr if needed */ - rcnt = (*func)(dbuf + ((UINT)fp->fptr % SS(fs)), rcnt); /* Forward the file data */ - if (!rcnt) ABORT(fs, FR_INT_ERR); - } - - LEAVE_FF(fs, FR_OK); -} -#endif /* _USE_FORWARD */ - - - -#if _USE_MKFS && !_FS_READONLY -/*-----------------------------------------------------------------------*/ -/* Create FAT file system on the logical drive */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_mkfs ( - const TCHAR* path, /* Logical drive number */ - BYTE opt, /* Format option */ - DWORD au, /* Size of allocation unit [byte] */ - void* work, /* Pointer to working buffer */ - UINT len /* Size of working buffer */ -) -{ - const UINT n_fats = 1; /* Number of FATs for FAT12/16/32 volume (1 or 2) */ - const UINT n_rootdir = 512; /* Number of root directory entries for FAT12/16 volume */ - static const WORD cst[] = {1, 4, 16, 64, 256, 512, 0}; /* Cluster size boundary for FAT12/16 volume (4KS unit) */ - static const WORD cst32[] = {1, 2, 4, 8, 16, 32, 0}; /* Cluster size boundary for FAT32 volume (128KS unit) */ - BYTE fmt, sys, *buf, *pte, pdrv, part; - WORD ss; - DWORD n, pau, n_clst, sz_blk, sect, szb_buf, sz_buf; - DWORD b_vol, b_fat, b_data; /* Base LBA for volume, fat, data */ - DWORD sz_vol, sz_rsv, sz_fat, sz_dir; /* Size for volume, fat, dir, data */ - UINT i, ns; - int vol; - DSTATUS stat; -#if _USE_TRIM || _FS_EXFAT - DWORD tbl[3]; -#endif - - - /* Check mounted drive and clear work area */ - vol = get_ldnumber(&path); /* Get target logical drive */ - if (vol < 0) return FR_INVALID_DRIVE; - if (FatFs[vol]) FatFs[vol]->fs_type = 0; /* Clear mounted volume */ - pdrv = LD2PD(vol); /* Physical drive */ - part = LD2PT(vol); /* Partition (0:create as new, 1-4:get by partition table) */ - - /* Check physical drive status */ - stat = disk_initialize(pdrv); - if (stat & STA_NOINIT) return FR_NOT_READY; - if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; - if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &sz_blk) != RES_OK || !sz_blk || sz_blk > 32768 || (sz_blk & (sz_blk - 1))) sz_blk = 1; -#if _MAX_SS != _MIN_SS /* Get sector size of the medium */ - if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &ss) != RES_OK) return FR_DISK_ERR; - if (ss > _MAX_SS || ss < _MIN_SS || (ss & (ss - 1))) return FR_DISK_ERR; -#else - ss = _MAX_SS; -#endif - if ((au != 0 && au < ss) || (au & (au - 1))) return FR_INVALID_PARAMETER; /* Check if au is valid */ - au /= ss; /* Cluster size in byte to in sector */ - if (au > 32768) return FR_INVALID_PARAMETER; - - /* Set size and pointer of the working buffer */ - buf = (BYTE*)work; /* Use given working buffer */ - if (len < ss) return FR_MKFS_ABORTED; - szb_buf = len & ~(ss - 1); /* Round-down by sector size [byte] */ - sz_buf = szb_buf / ss; /* Size of sector buffer [sector] */ - - /* Determine where the volume to be located (b_vol, sz_vol) */ - if (_MULTI_PARTITION && part != 0) { - /* Get partition information from partition table in the MBR */ - if (disk_read(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Load MBR */ - if (ld_word(buf + BS_55AA) != 0xAA55) return FR_MKFS_ABORTED; /* Check MBR is valid */ - pte = buf + (MBR_Table + (part - 1) * SZ_PTE); - if (!pte[PTE_System]) return FR_MKFS_ABORTED; /* No partition? */ - b_vol = ld_dword(pte + PTE_StLba); /* Get volume start sector */ - sz_vol = ld_dword(pte + PTE_SizLba); /* Get volume size */ - } else { - /* Create a single-partition in this function */ - if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_vol) != RES_OK) return FR_DISK_ERR; - b_vol = (opt & FM_SFD) ? 0 : 63; /* Volume start sector */ - if (sz_vol < b_vol) return FR_MKFS_ABORTED; - sz_vol -= b_vol; /* Volume size */ - } - if (sz_vol < 128) return FR_MKFS_ABORTED; /* Check volume size (>=128s) */ - - /* Pre-determine the FAT type by argument */ - do { - if (_FS_EXFAT && (opt & FM_EXFAT)) { /* exFAT possible? */ - if ((opt & FM_ANY) == FM_EXFAT || sz_vol >= 0x4000000 || au >= 256) { /* exFAT only, vol >= 64Ms or au >= 256s ? */ - fmt = FS_EXFAT; break; - } - } - if (au >= 256) return FR_INVALID_PARAMETER; /* Too large au for FAT/FAT32 */ - if (opt & FM_FAT32) { /* FAT32 possible? */ - if ((opt & FM_ANY) == FM_FAT32 || !(opt & FM_FAT)) { /* FAT32 only or no-FAT? */ - fmt = FS_FAT32; break; - } - } - if (!(opt & FM_FAT)) return FR_INVALID_PARAMETER; /* no-FAT? */ - fmt = FS_FAT16; - } while (0); - -#if _FS_EXFAT - if (fmt == FS_EXFAT) { /* Create an exFAT volume */ - DWORD sum, szb_bit, szb_case; - WCHAR ch, si; - UINT j, st; - BYTE b; - - if (sz_vol < 0x1000) return FR_MKFS_ABORTED; /* Too small volume? */ -#if _USE_TRIM - tbl[0] = b_vol; tbl[1] = b_vol + sz_vol - 1; /* Inform the device the volume area can be erased */ - disk_ioctl(pdrv, CTRL_TRIM, tbl); -#endif - /* Determine FAT location, data location and number of clusters */ - if (!au) { /* au auto-selection */ - au = 8; - if (sz_vol >= 0x80000) au = 64; /* >= 512KS */ - if (sz_vol >= 0x4000000) au = 256; /* >= 64MS */ - } - b_fat = b_vol + 32; /* FAT start at offset 32 */ - sz_fat = ((sz_vol / au + 2) * 4 + ss - 1) / ss; /* Numbef of FAT sectors */ - b_data = (b_fat + sz_fat + sz_blk - 1) & ~(sz_blk - 1); /* Align data area to the erase block boundary */ - if (b_data >= sz_vol / 2) return FR_MKFS_ABORTED; /* Too small volume? */ - n_clst = (sz_vol - (b_data - b_vol)) / au; /* Nunber of clusters */ - if (n_clst <16) return FR_MKFS_ABORTED; /* Too few clusters? */ - if (n_clst > MAX_EXFAT) return FR_MKFS_ABORTED; /* Too many clusters? */ - - szb_bit = (n_clst + 7) / 8; /* Size of allocation bitmap */ - tbl[0] = (szb_bit + au * ss - 1) / (au * ss); /* Number of bitmap clusters */ - tbl[2] = 1; /* Number of rootdir clusters */ - - /* Create a compressed up-case table */ - sect = b_data + au * tbl[0]; /* Table start sector */ - sum = 0; /* Table checksum to be stored in the 82 entry */ - st = si = i = j = szb_case = 0; - do { - switch (st) { - case 0: - ch = ff_wtoupper(si); /* Get an up-case char */ - if (ch != si) { - si++; break; /* Store the up-case char if exist */ - } - for (j = 1; (WCHAR)(si + j) && (WCHAR)(si + j) == ff_wtoupper((WCHAR)(si + j)); j++) ; /* Get run length of no-case block */ - if (j >= 128) { - ch = 0xFFFF; st = 2; break; /* Compress the no-case block if run is >= 128 */ - } - st = 1; /* Do not compress short run */ - /* continue */ - case 1: - ch = si++; /* Fill the short run */ - if (--j == 0) st = 0; - break; - default: - ch = (WCHAR)j; si += j; /* Number of chars to skip */ - st = 0; - } - sum = xsum32(buf[i + 0] = (BYTE)ch, sum); /* Put it into the write buffer */ - sum = xsum32(buf[i + 1] = (BYTE)(ch >> 8), sum); - i += 2; szb_case += 2; - if (!si || i == szb_buf) { /* Write buffered data when buffer full or end of process */ - ns = (i + ss - 1) / ss; - if (disk_write(pdrv, buf, sect, ns) != RES_OK) return FR_DISK_ERR; - sect += ns; i = 0; - } - } while (si); - tbl[1] = (szb_case + au * ss - 1) / (au * ss); /* Number of up-case clusters */ - - /* Initialize the allocation bitmap */ - mem_set(buf, 0, szb_buf); /* Set in-use flags of bitmap, up-case and root dir */ - for (i = 0, n = tbl[0] + tbl[1] + tbl[2]; n >= 8; buf[i++] = 0xFF, n -= 8) ; - for (b = 1; n; buf[i] |= b, b <<= 1, n--) ; - sect = b_data; n = (szb_bit + ss - 1) / ss; /* Start of bitmap and number of the sectors */ - do { /* Fill allocation bitmap sectors */ - ns = (n > sz_buf) ? sz_buf : n; - if (disk_write(pdrv, buf, sect, ns) != RES_OK) return FR_DISK_ERR; - sect += ns; - mem_set(buf, 0, ss); - } while (n -= ns); - - /* Initialize the FAT */ - st_qword(buf, 0xFFFFFFFFFFFFFFF8); /* Entry 0 and 1 */ - for (j = 0, i = 2; j < 3; j++) { /* Set entries of bitmap, up-case and root dir */ - for (n = tbl[j]; n; n--) { - st_dword(buf + i * 4, (n >= 2) ? i + 1 : 0xFFFFFFFF); - i++; - } - } - sect = b_fat; n = sz_fat; /* Start of FAT and number of the sectors */ - do { /* Fill FAT sectors */ - ns = (n > sz_buf) ? sz_buf : n; - if (disk_write(pdrv, buf, sect, ns) != RES_OK) return FR_DISK_ERR; - sect += ns; - mem_set(buf, 0, ss); - } while (n -= ns); - - /* Initialize the root directory */ - mem_set(buf, 0, ss); - buf[SZDIRE * 0 + 0] = 0x83; /* 83 entry (volume label) */ - buf[SZDIRE * 1 + 0] = 0x81; /* 81 entry (allocation bitmap) */ - st_dword(buf + SZDIRE * 1 + 20, 2); - st_dword(buf + SZDIRE * 1 + 24, szb_bit); - buf[SZDIRE * 2 + 0] = 0x82; /* 82 entry (up-case table) */ - st_dword(buf + SZDIRE * 2 + 4, sum); - st_dword(buf + SZDIRE * 2 + 20, 2 + tbl[0]); - st_dword(buf + SZDIRE * 2 + 24, szb_case); - sect = b_data + au * (tbl[0] + tbl[1]); n = au; /* Start of directory and number of the sectors */ - do { /* Fill root direcotry sectors */ - ns = (n > sz_buf) ? sz_buf : n; - if (disk_write(pdrv, buf, sect, ns) != RES_OK) return FR_DISK_ERR; - sect += ns; - mem_set(buf, 0, ss); - } while (n -= ns); - - /* Create two set of the exFAT VBR blocks */ - sect = b_vol; - for (n = 0; n < 2; n++) { - /* Main record (+0) */ - mem_set(buf, 0, ss); - mem_cpy(buf + BS_JmpBoot, "\xEB\x76\x90" "EXFAT ", 11); /* Boot jump code (x86), OEM name */ - st_dword(buf + BPB_VolOfsEx, b_vol); /* Volume offset in the physical drive [sector] */ - st_dword(buf + BPB_TotSecEx, sz_vol); /* Volume size [sector] */ - st_dword(buf + BPB_FatOfsEx, b_fat - b_vol); /* FAT offset [sector] */ - st_dword(buf + BPB_FatSzEx, sz_fat); /* FAT size [sector] */ - st_dword(buf + BPB_DataOfsEx, b_data - b_vol); /* Data offset [sector] */ - st_dword(buf + BPB_NumClusEx, n_clst); /* Number of clusters */ - st_dword(buf + BPB_RootClusEx, 2 + tbl[0] + tbl[1]); /* Root dir cluster # */ - st_dword(buf + BPB_VolIDEx, GET_FATTIME()); /* VSN */ - st_word(buf + BPB_FSVerEx, 0x100); /* File system version (1.00) */ - for (buf[BPB_BytsPerSecEx] = 0, i = ss; i >>= 1; buf[BPB_BytsPerSecEx]++) ; /* Log2 of sector size [byte] */ - for (buf[BPB_SecPerClusEx] = 0, i = au; i >>= 1; buf[BPB_SecPerClusEx]++) ; /* Log2 of cluster size [sector] */ - buf[BPB_NumFATsEx] = 1; /* Number of FATs */ - buf[BPB_DrvNumEx] = 0x80; /* Drive number (for int13) */ - st_word(buf + BS_BootCodeEx, 0xFEEB); /* Boot code (x86) */ - st_word(buf + BS_55AA, 0xAA55); /* Signature (placed here regardless of sector size) */ - for (i = sum = 0; i < ss; i++) { /* VBR checksum */ - if (i != BPB_VolFlagEx && i != BPB_VolFlagEx + 1 && i != BPB_PercInUseEx) sum = xsum32(buf[i], sum); - } - if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; - /* Extended bootstrap record (+1..+8) */ - mem_set(buf, 0, ss); - st_word(buf + ss - 2, 0xAA55); /* Signature (placed at end of sector) */ - for (j = 1; j < 9; j++) { - for (i = 0; i < ss; sum = xsum32(buf[i++], sum)) ; /* VBR checksum */ - if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; - } - /* OEM/Reserved record (+9..+10) */ - mem_set(buf, 0, ss); - for ( ; j < 11; j++) { - for (i = 0; i < ss; sum = xsum32(buf[i++], sum)) ; /* VBR checksum */ - if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; - } - /* Sum record (+11) */ - for (i = 0; i < ss; i += 4) st_dword(buf + i, sum); /* Fill with checksum value */ - if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; - } - - } else -#endif - { /* Create an FAT12/16/32 volume */ - do { - pau = au; - /* Pre-determine number of clusters and FAT sub-type */ - if (fmt == FS_FAT32) { /* FAT32 volume */ - if (!pau) { /* au auto-selection */ - n = sz_vol / 0x20000; /* Volume size in unit of 128KS */ - for (i = 0, pau = 1; cst32[i] && cst32[i] <= n; i++, pau <<= 1) ; /* Get from table */ - } - n_clst = sz_vol / pau; /* Number of clusters */ - sz_fat = (n_clst * 4 + 8 + ss - 1) / ss; /* FAT size [sector] */ - sz_rsv = 32; /* Number of reserved sectors */ - sz_dir = 0; /* No static directory */ - if (n_clst <= MAX_FAT16 || n_clst > MAX_FAT32) return FR_MKFS_ABORTED; - } else { /* FAT12/16 volume */ - if (!pau) { /* au auto-selection */ - n = sz_vol / 0x1000; /* Volume size in unit of 4KS */ - for (i = 0, pau = 1; cst[i] && cst[i] <= n; i++, pau <<= 1) ; /* Get from table */ - } - n_clst = sz_vol / pau; - if (n_clst > MAX_FAT12) { - n = n_clst * 2 + 4; /* FAT size [byte] */ - } else { - fmt = FS_FAT12; - n = (n_clst * 3 + 1) / 2 + 3; /* FAT size [byte] */ - } - sz_fat = (n + ss - 1) / ss; /* FAT size [sector] */ - sz_rsv = 1; /* Number of reserved sectors */ - sz_dir = (DWORD)n_rootdir * SZDIRE / ss; /* Rootdir size [sector] */ - } - b_fat = b_vol + sz_rsv; /* FAT base */ - b_data = b_fat + sz_fat * n_fats + sz_dir; /* Data base */ - - /* Align data base to erase block boundary (for flash memory media) */ - n = ((b_data + sz_blk - 1) & ~(sz_blk - 1)) - b_data; /* Next nearest erase block from current data base */ - if (fmt == FS_FAT32) { /* FAT32: Move FAT base */ - sz_rsv += n; b_fat += n; - } else { /* FAT12/16: Expand FAT size */ - sz_fat += n / n_fats; - } - - /* Determine number of clusters and final check of validity of the FAT sub-type */ - if (sz_vol < b_data + pau * 16 - b_vol) return FR_MKFS_ABORTED; /* Too small volume */ - n_clst = (sz_vol - sz_rsv - sz_fat * n_fats - sz_dir) / pau; - if (fmt == FS_FAT32) { - if (n_clst <= MAX_FAT16) { /* Too few clusters for FAT32 */ - if (!au && (au = pau / 2) != 0) continue; /* Adjust cluster size and retry */ - return FR_MKFS_ABORTED; - } - } - if (fmt == FS_FAT16) { - if (n_clst > MAX_FAT16) { /* Too many clusters for FAT16 */ - if (!au && (pau * 2) <= 64) { - au = pau * 2; continue; /* Adjust cluster size and retry */ - } - if ((opt & FM_FAT32)) { - fmt = FS_FAT32; continue; /* Switch type to FAT32 and retry */ - } - if (!au && (au = pau * 2) <= 128) continue; /* Adjust cluster size and retry */ - return FR_MKFS_ABORTED; - } - if (n_clst <= MAX_FAT12) { /* Too few clusters for FAT16 */ - if (!au && (au = pau * 2) <= 128) continue; /* Adjust cluster size and retry */ - return FR_MKFS_ABORTED; - } - } - if (fmt == FS_FAT12 && n_clst > MAX_FAT12) return FR_MKFS_ABORTED; /* Too many clusters for FAT12 */ - - /* Ok, it is the valid cluster configuration */ - break; - } while (1); - -#if _USE_TRIM - tbl[0] = b_vol; tbl[1] = b_vol + sz_vol - 1; /* Inform the device the volume area can be erased */ - disk_ioctl(pdrv, CTRL_TRIM, tbl); -#endif - /* Create FAT VBR */ - mem_set(buf, 0, ss); - mem_cpy(buf + BS_JmpBoot, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code (x86), OEM name */ - st_word(buf + BPB_BytsPerSec, ss); /* Sector size [byte] */ - buf[BPB_SecPerClus] = (BYTE)pau; /* Cluster size [sector] */ - st_word(buf + BPB_RsvdSecCnt, (WORD)sz_rsv); /* Size of reserved area */ - buf[BPB_NumFATs] = n_fats; /* Number of FATs */ - st_word(buf + BPB_RootEntCnt, (WORD)((fmt == FS_FAT32) ? 0 : n_rootdir)); /* Number of root directory entries */ - if (sz_vol < 0x10000) { - st_word(buf + BPB_TotSec16, (WORD)sz_vol); /* Volume size in 16-bit LBA */ - } else { - st_dword(buf + BPB_TotSec32, sz_vol); /* Volume size in 12-bit LBA */ - } - buf[BPB_Media] = 0xF8; /* Media descriptor */ - st_word(buf + BPB_SecPerTrk, 63); /* Number of sectors per track (for int13) */ - st_word(buf + BPB_NumHeads, 255); /* Number of heads (for int13) */ - st_dword(buf + BPB_HiddSec, b_vol); /* Volume offset in the physical drive [sector] */ - if (fmt == FS_FAT32) { - st_dword(buf + BS_VolID32, GET_FATTIME()); /* VSN */ - st_dword(buf + BPB_FATSz32, sz_fat); /* FAT size [sector] */ - st_dword(buf + BPB_RootClus32, 2); /* Root directory cluster # (2) */ - st_word(buf + BPB_FSInfo32, 1); /* Offset of FSINFO sector (VBR + 1) */ - st_word(buf + BPB_BkBootSec32, 6); /* Offset of backup VBR (VBR + 6) */ - buf[BS_DrvNum32] = 0x80; /* Drive number (for int13) */ - buf[BS_BootSig32] = 0x29; /* Extended boot signature */ - mem_cpy(buf + BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */ - } else { - st_dword(buf + BS_VolID, GET_FATTIME()); /* VSN */ - st_word(buf + BPB_FATSz16, (WORD)sz_fat); /* FAT size [sector] */ - buf[BS_DrvNum] = 0x80; /* Drive number (for int13) */ - buf[BS_BootSig] = 0x29; /* Extended boot signature */ - mem_cpy(buf + BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */ - } - st_word(buf + BS_55AA, 0xAA55); /* Signature (offset is fixed here regardless of sector size) */ - if (disk_write(pdrv, buf, b_vol, 1) != RES_OK) return FR_DISK_ERR; /* Write it to the VBR sector */ - - /* Create FSINFO record if needed */ - if (fmt == FS_FAT32) { - disk_write(pdrv, buf, b_vol + 6, 1); /* Write backup VBR (VBR + 6) */ - mem_set(buf, 0, ss); - st_dword(buf + FSI_LeadSig, 0x41615252); - st_dword(buf + FSI_StrucSig, 0x61417272); - st_dword(buf + FSI_Free_Count, n_clst - 1); /* Number of free clusters */ - st_dword(buf + FSI_Nxt_Free, 2); /* Last allocated cluster# */ - st_word(buf + BS_55AA, 0xAA55); - disk_write(pdrv, buf, b_vol + 7, 1); /* Write backup FSINFO (VBR + 7) */ - disk_write(pdrv, buf, b_vol + 1, 1); /* Write original FSINFO (VBR + 1) */ - } - - /* Initialize FAT area */ - mem_set(buf, 0, szb_buf); - sect = b_fat; /* Start sector */ - for (i = 0; i < n_fats; i++) { /* Initialize FATs each */ - if (fmt == FS_FAT32) { - st_dword(buf + 0, 0xFFFFFFF8); /* Entry 0 */ - st_dword(buf + 4, 0xFFFFFFFF); /* Entry 1 */ - st_dword(buf + 8, 0x0FFFFFFF); /* Entry 2 (root directory) */ - } else { - st_dword(buf + 0, (fmt == FS_FAT12) ? 0xFFFFF8 : 0xFFFFFFF8); /* Entry 0 and 1 */ - } - n = sz_fat; /* Sector count of a FAT */ - do { /* Fill FAT sectors */ - ns = (n > sz_buf) ? sz_buf : n; - if (disk_write(pdrv, buf, sect, ns) != RES_OK) return FR_DISK_ERR; - sect += ns; - mem_set(buf, 0, ss); - } while (n -= ns); - } - - /* Initialize root directory (fill with zero) */ - n = (fmt == FS_FAT32) ? pau : sz_dir; /* Sector count of root directory */ - do { - ns = (n > sz_buf) ? sz_buf : n; - if (disk_write(pdrv, buf, sect, ns) != RES_OK) return FR_DISK_ERR; - sect += ns; - } while (n -= ns); - } - - /* Determine system ID in the partition table */ - if (_FS_EXFAT && fmt == FS_EXFAT) { - sys = 0x07; /* HPFS/NTFS/exFAT */ - } else { - if (fmt == FS_FAT32) { - sys = 0x0C; /* FAT32X */ - } else { - if (sz_vol >= 0x10000) { - sys = 0x06; /* FAT12/16 (>=64KS) */ - } else { - sys = (fmt == FS_FAT16) ? 0x04 : 0x01; /* FAT16 (<64KS) : FAT12 (<64KS) */ - } - } - } - - if (_MULTI_PARTITION && part != 0) { - /* Update system ID in the partition table */ - if (disk_read(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Read the MBR */ - buf[MBR_Table + (part - 1) * SZ_PTE + PTE_System] = sys; /* Set system type */ - if (disk_write(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Write it back to the MBR */ - } else { - if (!(opt & FM_SFD)) { - /* Create partition table in FDISK format */ - mem_set(buf, 0, ss); - st_word(buf + BS_55AA, 0xAA55); /* MBR signature */ - pte = buf + MBR_Table; /* Create partition table for single partition in the drive */ - pte[PTE_Boot] = 0; /* Boot indicator */ - pte[PTE_StHead] = 1; /* Start head */ - pte[PTE_StSec] = 1; /* Start sector */ - pte[PTE_StCyl] = 0; /* Start cylinder */ - pte[PTE_System] = sys; /* System type */ - n = (b_vol + sz_vol) / (63 * 255); /* (End CHS is incorrect) */ - pte[PTE_EdHead] = 254; /* End head */ - pte[PTE_EdSec] = (BYTE)(n >> 2 | 63); /* End sector */ - pte[PTE_EdCyl] = (BYTE)n; /* End cylinder */ - st_dword(pte + PTE_StLba, b_vol); /* Start offset in LBA */ - st_dword(pte + PTE_SizLba, sz_vol); /* Size in sectors */ - if (disk_write(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Write it to the MBR */ - } - } - - if (disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) return FR_DISK_ERR; - - return FR_OK; -} - - - -#if _MULTI_PARTITION -/*-----------------------------------------------------------------------*/ -/* Create partition table on the physical drive */ -/*-----------------------------------------------------------------------*/ - -FRESULT f_fdisk ( - BYTE pdrv, /* Physical drive number */ - const DWORD* szt, /* Pointer to the size table for each partitions */ - void* work /* Pointer to the working buffer */ -) -{ - UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl; - BYTE s_hd, e_hd, *p, *buf = (BYTE*)work; - DSTATUS stat; - DWORD sz_disk, sz_part, s_part; - - - stat = disk_initialize(pdrv); - if (stat & STA_NOINIT) return FR_NOT_READY; - if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; - if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR; - - /* Determine the CHS without any care of the drive geometry */ - for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ; - if (n == 256) n--; - e_hd = n - 1; - sz_cyl = 63 * n; - tot_cyl = sz_disk / sz_cyl; - - /* Create partition table */ - mem_set(buf, 0, _MAX_SS); - p = buf + MBR_Table; b_cyl = 0; - for (i = 0; i < 4; i++, p += SZ_PTE) { - p_cyl = (szt[i] <= 100U) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl; - if (!p_cyl) continue; - s_part = (DWORD)sz_cyl * b_cyl; - sz_part = (DWORD)sz_cyl * p_cyl; - if (i == 0) { /* Exclude first track of cylinder 0 */ - s_hd = 1; - s_part += 63; sz_part -= 63; - } else { - s_hd = 0; - } - e_cyl = b_cyl + p_cyl - 1; - if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER; - - /* Set partition table */ - p[1] = s_hd; /* Start head */ - p[2] = (BYTE)((b_cyl >> 2) + 1); /* Start sector */ - p[3] = (BYTE)b_cyl; /* Start cylinder */ - p[4] = 0x06; /* System type (temporary setting) */ - p[5] = e_hd; /* End head */ - p[6] = (BYTE)((e_cyl >> 2) + 63); /* End sector */ - p[7] = (BYTE)e_cyl; /* End cylinder */ - st_dword(p + 8, s_part); /* Start sector in LBA */ - st_dword(p + 12, sz_part); /* Partition size */ - - /* Next partition */ - b_cyl += p_cyl; - } - st_word(p, 0xAA55); - - /* Write it to the MBR */ - return (disk_write(pdrv, buf, 0, 1) != RES_OK || disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) ? FR_DISK_ERR : FR_OK; -} - -#endif /* _MULTI_PARTITION */ -#endif /* _USE_MKFS && !_FS_READONLY */ - - - - -#if _USE_STRFUNC -/*-----------------------------------------------------------------------*/ -/* Get a string from the file */ -/*-----------------------------------------------------------------------*/ - -TCHAR* f_gets ( - TCHAR* buff, /* Pointer to the string buffer to read */ - int len, /* Size of string buffer (characters) */ - FIL* fp /* Pointer to the file object */ -) -{ - int n = 0; - TCHAR c, *p = buff; - BYTE s[2]; - UINT rc; - - - while (n < len - 1) { /* Read characters until buffer gets filled */ -#if _LFN_UNICODE -#if _STRF_ENCODE == 3 /* Read a character in UTF-8 */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = s[0]; - if (c >= 0x80) { - if (c < 0xC0) continue; /* Skip stray trailer */ - if (c < 0xE0) { /* Two-byte sequence */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = (c & 0x1F) << 6 | (s[0] & 0x3F); - if (c < 0x80) c = '?'; - } else { - if (c < 0xF0) { /* Three-byte sequence */ - f_read(fp, s, 2, &rc); - if (rc != 2) break; - c = c << 12 | (s[0] & 0x3F) << 6 | (s[1] & 0x3F); - if (c < 0x800) c = '?'; - } else { /* Reject four-byte sequence */ - c = '?'; - } - } - } -#elif _STRF_ENCODE == 2 /* Read a character in UTF-16BE */ - f_read(fp, s, 2, &rc); - if (rc != 2) break; - c = s[1] + (s[0] << 8); -#elif _STRF_ENCODE == 1 /* Read a character in UTF-16LE */ - f_read(fp, s, 2, &rc); - if (rc != 2) break; - c = s[0] + (s[1] << 8); -#else /* Read a character in ANSI/OEM */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = s[0]; - if (IsDBCS1(c)) { - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = (c << 8) + s[0]; - } - c = ff_convert(c, 1); /* OEM -> Unicode */ - if (!c) c = '?'; -#endif -#else /* Read a character without conversion */ - f_read(fp, s, 1, &rc); - if (rc != 1) break; - c = s[0]; -#endif - if (_USE_STRFUNC == 2 && c == '\r') continue; /* Strip '\r' */ - *p++ = c; - n++; - if (c == '\n') break; /* Break on EOL */ - } - *p = 0; - return n ? buff : 0; /* When no data read (eof or error), return with error. */ -} - - - - -#if !_FS_READONLY -#include -/*-----------------------------------------------------------------------*/ -/* Put a character to the file */ -/*-----------------------------------------------------------------------*/ - -typedef struct { - FIL *fp; /* Ptr to the writing file */ - int idx, nchr; /* Write index of buf[] (-1:error), number of chars written */ - BYTE buf[64]; /* Write buffer */ -} putbuff; - - -static -void putc_bfd ( /* Buffered write with code conversion */ - putbuff* pb, - TCHAR c -) -{ - UINT bw; - int i; - - - if (_USE_STRFUNC == 2 && c == '\n') { /* LF -> CRLF conversion */ - putc_bfd(pb, '\r'); - } - - i = pb->idx; /* Write index of pb->buf[] */ - if (i < 0) return; - -#if _LFN_UNICODE -#if _STRF_ENCODE == 3 /* Write a character in UTF-8 */ - if (c < 0x80) { /* 7-bit */ - pb->buf[i++] = (BYTE)c; - } else { - if (c < 0x800) { /* 11-bit */ - pb->buf[i++] = (BYTE)(0xC0 | c >> 6); - } else { /* 16-bit */ - pb->buf[i++] = (BYTE)(0xE0 | c >> 12); - pb->buf[i++] = (BYTE)(0x80 | (c >> 6 & 0x3F)); - } - pb->buf[i++] = (BYTE)(0x80 | (c & 0x3F)); - } -#elif _STRF_ENCODE == 2 /* Write a character in UTF-16BE */ - pb->buf[i++] = (BYTE)(c >> 8); - pb->buf[i++] = (BYTE)c; -#elif _STRF_ENCODE == 1 /* Write a character in UTF-16LE */ - pb->buf[i++] = (BYTE)c; - pb->buf[i++] = (BYTE)(c >> 8); -#else /* Write a character in ANSI/OEM */ - c = ff_convert(c, 0); /* Unicode -> OEM */ - if (!c) c = '?'; - if (c >= 0x100) - pb->buf[i++] = (BYTE)(c >> 8); - pb->buf[i++] = (BYTE)c; -#endif -#else /* Write a character without conversion */ - pb->buf[i++] = (BYTE)c; -#endif - - if (i >= (int)(sizeof pb->buf) - 3) { /* Write buffered characters to the file */ - f_write(pb->fp, pb->buf, (UINT)i, &bw); - i = (bw == (UINT)i) ? 0 : -1; - } - pb->idx = i; - pb->nchr++; -} - - -static -int putc_flush ( /* Flush left characters in the buffer */ - putbuff* pb -) -{ - UINT nw; - - if ( pb->idx >= 0 /* Flush buffered characters to the file */ - && f_write(pb->fp, pb->buf, (UINT)pb->idx, &nw) == FR_OK - && (UINT)pb->idx == nw) return pb->nchr; - return EOF; -} - - -static -void putc_init ( /* Initialize write buffer */ - putbuff* pb, - FIL* fp -) -{ - pb->fp = fp; - pb->nchr = pb->idx = 0; -} - - - -int f_putc ( - TCHAR c, /* A character to be output */ - FIL* fp /* Pointer to the file object */ -) -{ - putbuff pb; - - - putc_init(&pb, fp); - putc_bfd(&pb, c); /* Put the character */ - return putc_flush(&pb); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Put a string to the file */ -/*-----------------------------------------------------------------------*/ - -int f_puts ( - const TCHAR* str, /* Pointer to the string to be output */ - FIL* fp /* Pointer to the file object */ -) -{ - putbuff pb; - - - putc_init(&pb, fp); - while (*str) putc_bfd(&pb, *str++); /* Put the string */ - return putc_flush(&pb); -} - - - - -/*-----------------------------------------------------------------------*/ -/* Put a formatted string to the file */ -/*-----------------------------------------------------------------------*/ - -int f_printf ( - FIL* fp, /* Pointer to the file object */ - const TCHAR* fmt, /* Pointer to the format string */ - ... /* Optional arguments... */ -) -{ - va_list arp; - putbuff pb; - BYTE f, r; - UINT i, j, w; - DWORD v; - TCHAR c, d, str[32], *p; - - - putc_init(&pb, fp); - - va_start(arp, fmt); - - for (;;) { - c = *fmt++; - if (c == 0) break; /* End of string */ - if (c != '%') { /* Non escape character */ - putc_bfd(&pb, c); - continue; - } - w = f = 0; - c = *fmt++; - if (c == '0') { /* Flag: '0' padding */ - f = 1; c = *fmt++; - } else { - if (c == '-') { /* Flag: left justified */ - f = 2; c = *fmt++; - } - } - while (IsDigit(c)) { /* Precision */ - w = w * 10 + c - '0'; - c = *fmt++; - } - if (c == 'l' || c == 'L') { /* Prefix: Size is long int */ - f |= 4; c = *fmt++; - } - if (!c) break; - d = c; - if (IsLower(d)) d -= 0x20; - switch (d) { /* Type is... */ - case 'S' : /* String */ - p = va_arg(arp, TCHAR*); - for (j = 0; p[j]; j++) ; - if (!(f & 2)) { - while (j++ < w) putc_bfd(&pb, ' '); - } - while (*p) putc_bfd(&pb, *p++); - while (j++ < w) putc_bfd(&pb, ' '); - continue; - case 'C' : /* Character */ - putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue; - case 'B' : /* Binary */ - r = 2; break; - case 'O' : /* Octal */ - r = 8; break; - case 'D' : /* Signed decimal */ - case 'U' : /* Unsigned decimal */ - r = 10; break; - case 'X' : /* Hexdecimal */ - r = 16; break; - default: /* Unknown type (pass-through) */ - putc_bfd(&pb, c); continue; - } - - /* Get an argument and put it in numeral */ - v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int)); - if (d == 'D' && (v & 0x80000000)) { - v = 0 - v; - f |= 8; - } - i = 0; - do { - d = (TCHAR)(v % r); v /= r; - if (d > 9) d += (c == 'x') ? 0x27 : 0x07; - str[i++] = d + '0'; - } while (v && i < sizeof str / sizeof str[0]); - if (f & 8) str[i++] = '-'; - j = i; d = (f & 1) ? '0' : ' '; - while (!(f & 2) && j++ < w) putc_bfd(&pb, d); - do putc_bfd(&pb, str[--i]); while (i); - while (j++ < w) putc_bfd(&pb, d); - } - - va_end(arp); - - return putc_flush(&pb); -} - -#endif /* !_FS_READONLY */ -#endif /* _USE_STRFUNC */ diff --git a/source/arm9/filebrowse.c b/source/arm9/filebrowse.c index 74f9e11..433a656 100644 --- a/source/arm9/filebrowse.c +++ b/source/arm9/filebrowse.c @@ -3,7 +3,7 @@ #include #include "types.h" #include "mem_map.h" -#include "arm9/fatfs/ff.h" +#include "fatfs/ff.h" #include "arm9/console.h" #include "arm9/main.h" #include "arm9/menu.h" diff --git a/source/arm9/loader_init.c b/source/arm9/loader_init.c index 058b34f..8b87e3e 100644 --- a/source/arm9/loader_init.c +++ b/source/arm9/loader_init.c @@ -9,7 +9,7 @@ void hardwareInit(void) { // Atomic IRQ disable and aknowledge - __asm__("stmia %0, {%1, %2}" : : "r" (®_IRQ_IE), "r" (0u), "r" (0xFFFFFFFFu) : "memory"); + __asm__ __volatile__("stmia %0, {%1, %2}" : : "r" (®_IRQ_IE), "r" (0u), "r" (0xFFFFFFFFu) : "memory"); NDMA_init(); TIMER_init(); PXI_init(); diff --git a/source/arm9/main.c b/source/arm9/main.c index 46ff538..6ca312c 100644 --- a/source/arm9/main.c +++ b/source/arm9/main.c @@ -5,7 +5,7 @@ #include "pxi.h" #include "hid.h" #include "arm9/loader_init.h" -#include "arm9/fatfs/ff.h" +#include "fatfs/ff.h" #include "arm9/dev.h" #include "arm9/firm.h" #include "arm9/config.h" diff --git a/source/arm9/menu.c b/source/arm9/menu.c index 668a423..daa37c8 100644 --- a/source/arm9/menu.c +++ b/source/arm9/menu.c @@ -8,9 +8,10 @@ #include "pxi.h" #include "arm9/console.h" #include "arm9/dev.h" -#include "arm9/fatfs/ff.h" -#include "arm9/fatfs/diskio.h" +#include "fatfs/ff.h" +#include "fatfs/diskio.h" #include "hid.h" +#include "version.h" #include "arm9/main.h" #include "arm9/util_nand.h" #include "arm9/menu.h" @@ -64,7 +65,7 @@ consoleSelect(&con_top); drawConsoleWindow(&con_top, 2, color); - printf("\n\t\t\t\t\t3DS Bootloader v0.1\n\n\n\n"); + printf("\n\t\t\t\t\t3DS Bootloader v%" PRIu16 ".%" PRIu16 "\n\n\n\n", BOOTLOADER_VERSION>>16, BOOTLOADER_VERSION & 0xFFFFu); printf(" Model: %s\n", bootInfo.model); printf(" \x1B[33m%s\e[0m\n", bootInfo.boot_env); diff --git a/source/arm9/start.s b/source/arm9/start.s index cc45fe9..aa3b0b2 100644 --- a/source/arm9/start.s +++ b/source/arm9/start.s @@ -2,7 +2,7 @@ #include "version.h" .arm -.arch armv5te +.cpu arm946e-s .fpu softvfp .global _start @@ -38,19 +38,18 @@ skip_pool: bl initCpu - ldr sp, =A9_STACK_END - @ Clear bss section ldr r0, =__bss_start__ ldr r1, =__bss_end__ + sub r1, r1, r0 bl clearMem @ Setup newlib heap - ldr r0, =__end__ - add r0, r0, #4 @ Do not overwrite the value at symbol __end__ + ldr r0, =(__end__ + 12) @ Do not overwrite the value at symbol __end__ + bic r0, r0, #7 @ Align to 8 bytes ldr r1, =fake_heap_start str r0, [r1] - add r0, r0, #A9_HEAP_SIZE + mov r0, #A9_HEAP_END ldr r1, =fake_heap_end str r0, [r1] @@ -66,15 +65,34 @@ .pool -@ void clearMem(u32 *start, u32 *end) +@ void clearMem(u32 *adr, u32 size) clearMem: - sub r1, r1, r0 mov r2, #0 - clearMem_lp: + bics r12, r1, #31 + sub r1, r1, r12 + beq clearMem_check_zero + stmfd sp!, {r4-r9} + mov r3, #0 + mov r4, #0 + mov r5, #0 + mov r6, #0 + mov r7, #0 + mov r8, #0 + mov r9, #0 + clearMem_block_lp: + stmia r0!, {r2-r9} + subs r12, r12, #32 + bne clearMem_block_lp + ldmfd sp!, {r4-r9} +clearMem_check_zero: + cmp r1, #0 + bxeq lr + clearMem_remaining_lp: str r2, [r0], #4 subs r1, r1, #4 - bne clearMem_lp + bne clearMem_remaining_lp bx lr +.pool @ Needed by libc diff --git a/source/arm9/util_nand.c b/source/arm9/util_nand.c index abc1963..b39e0bf 100644 --- a/source/arm9/util_nand.c +++ b/source/arm9/util_nand.c @@ -4,7 +4,7 @@ #include "mem_map.h" #include "arm9/console.h" #include "arm9/dev.h" -#include "arm9/fatfs/ff.h" +#include "fatfs/ff.h" #include "hid.h" #include "util.h" #include "arm9/menu.h" diff --git a/thirdparty/fatfs/00history.txt b/thirdparty/fatfs/00history.txt new file mode 100644 index 0000000..ab22088 --- /dev/null +++ b/thirdparty/fatfs/00history.txt @@ -0,0 +1,279 @@ +---------------------------------------------------------------------------- + Revision history of FatFs module +---------------------------------------------------------------------------- + +R0.00 (February 26, 2006) + + Prototype. + + + +R0.01 (April 29, 2006) + + The first release. + + + +R0.02 (June 01, 2006) + + Added FAT12 support. + Removed unbuffered mode. + Fixed a problem on small (<32M) partition. + + + +R0.02a (June 10, 2006) + + Added a configuration option (_FS_MINIMUM). + + + +R0.03 (September 22, 2006) + + Added f_rename(). + Changed option _FS_MINIMUM to _FS_MINIMIZE. + + + +R0.03a (December 11, 2006) + + Improved cluster scan algorithm to write files fast. + Fixed f_mkdir() creates incorrect directory on FAT32. + + + +R0.04 (February 04, 2007) + + Added f_mkfs(). + Supported multiple drive system. + Changed some interfaces for multiple drive system. + Changed f_mountdrv() to f_mount(). + + + +R0.04a (April 01, 2007) + + Supported multiple partitions on a physical drive. + Added a capability of extending file size to f_lseek(). + Added minimization level 3. + Fixed an endian sensitive code in f_mkfs(). + + + +R0.04b (May 05, 2007) + + Added a configuration option _USE_NTFLAG. + Added FSINFO support. + Fixed DBCS name can result FR_INVALID_NAME. + Fixed short seek (<= csize) collapses the file object. + + + +R0.05 (August 25, 2007) + + Changed arguments of f_read(), f_write() and f_mkfs(). + Fixed f_mkfs() on FAT32 creates incorrect FSINFO. + Fixed f_mkdir() on FAT32 creates incorrect directory. + + + +R0.05a (February 03, 2008) + + Added f_truncate() and f_utime(). + Fixed off by one error at FAT sub-type determination. + Fixed btr in f_read() can be mistruncated. + Fixed cached sector is not flushed when create and close without write. + + + +R0.06 (April 01, 2008) + + Added fputc(), fputs(), fprintf() and fgets(). + Improved performance of f_lseek() on moving to the same or following cluster. + + + +R0.07 (April 01, 2009) + + Merged Tiny-FatFs as a configuration option. (_FS_TINY) + Added long file name feature. (_USE_LFN) + Added multiple code page feature. (_CODE_PAGE) + Added re-entrancy for multitask operation. (_FS_REENTRANT) + Added auto cluster size selection to f_mkfs(). + Added rewind option to f_readdir(). + Changed result code of critical errors. + Renamed string functions to avoid name collision. + + + +R0.07a (April 14, 2009) + + Septemberarated out OS dependent code on reentrant cfg. + Added multiple sector size feature. + + + +R0.07c (June 21, 2009) + + Fixed f_unlink() can return FR_OK on error. + Fixed wrong cache control in f_lseek(). + Added relative path feature. + Added f_chdir() and f_chdrive(). + Added proper case conversion to extended character. + + + +R0.07e (November 03, 2009) + + Septemberarated out configuration options from ff.h to ffconf.h. + Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH. + Fixed name matching error on the 13 character boundary. + Added a configuration option, _LFN_UNICODE. + Changed f_readdir() to return the SFN with always upper case on non-LFN cfg. + + + +R0.08 (May 15, 2010) + + Added a memory configuration option. (_USE_LFN = 3) + Added file lock feature. (_FS_SHARE) + Added fast seek feature. (_USE_FASTSEEK) + Changed some types on the API, XCHAR->TCHAR. + Changed .fname in the FILINFO structure on Unicode cfg. + String functions support UTF-8 encoding files on Unicode cfg. + + + +R0.08a (August 16, 2010) + + Added f_getcwd(). (_FS_RPATH = 2) + Added sector erase feature. (_USE_ERASE) + Moved file lock semaphore table from fs object to the bss. + Fixed f_mkfs() creates wrong FAT32 volume. + + + +R0.08b (January 15, 2011) + + Fast seek feature is also applied to f_read() and f_write(). + f_lseek() reports required table size on creating CLMP. + Extended format syntax of f_printf(). + Ignores duplicated directory separators in given path name. + + + +R0.09 (September 06, 2011) + + f_mkfs() supports multiple partition to complete the multiple partition feature. + Added f_fdisk(). + + + +R0.09a (August 27, 2012) + + Changed f_open() and f_opendir() reject null object pointer to avoid crash. + Changed option name _FS_SHARE to _FS_LOCK. + Fixed assertion failure due to OS/2 EA on FAT12/16 volume. + + + +R0.09b (January 24, 2013) + + Added f_setlabel() and f_getlabel(). + + + +R0.10 (October 02, 2013) + + Added selection of character encoding on the file. (_STRF_ENCODE) + Added f_closedir(). + Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO) + Added forced mount feature with changes of f_mount(). + Improved behavior of volume auto detection. + Improved write throughput of f_puts() and f_printf(). + Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write(). + Fixed f_write() can be truncated when the file size is close to 4GB. + Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error. + + + +R0.10a (January 15, 2014) + + Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID) + Added a configuration option of minimum sector size. (_MIN_SS) + 2nd argument of f_rename() can have a drive number and it will be ignored. + Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10) + Fixed f_close() invalidates the file object without volume lock. + Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10) + Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07) + + + +R0.10b (May 19, 2014) + + Fixed a hard error in the disk I/O layer can collapse the directory entry. + Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN. (appeared at R0.07) + + + +R0.10c (November 09, 2014) + + Added a configuration option for the platforms without RTC. (_FS_NORTC) + Changed option name _USE_ERASE to _USE_TRIM. + Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b) + Fixed a potential problem of FAT access that can appear on disk error. + Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08) + + + +R0.11 (February 09, 2015) + + Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND) + Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c) + Fixed _FS_NORTC option does not work properly. (appeared at R0.10c) + + + +R0.11a (September 05, 2015) + + Fixed wrong media change can lead a deadlock at thread-safe configuration. + Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE) + Removed some code pages actually not exist on the standard systems. (_CODE_PAGE) + Fixed errors in the case conversion teble of code page 437 and 850 (ff.c). + Fixed errors in the case conversion teble of Unicode (cc*.c). + + + +R0.12 (April 12, 2016) + + Added support for exFAT file system. (_FS_EXFAT) + Added f_expand(). (_USE_EXPAND) + Changed some members in FINFO structure and behavior of f_readdir(). + Added an option _USE_CHMOD. + Removed an option _WORD_ACCESS. + Fixed errors in the case conversion table of Unicode (cc*.c). + + + +R0.12a (July 10, 2016) + + Added support for creating exFAT volume with some changes of f_mkfs(). + Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed. + f_forward() is available regardless of _FS_TINY. + Fixed f_mkfs() creates wrong volume. (appeared at R0.12) + Fixed wrong memory read in create_name(). (appeared at R0.12) + Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD. + + + +R0.12b (September 04, 2016) + + Improved f_rename() to be able to rename objects with the same name but case. + Fixed an error in the case conversion teble of code page 866. (ff.c) + Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12) + Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12) + Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12) + Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12) + Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12) + Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12) + diff --git a/thirdparty/fatfs/00readme.txt b/thirdparty/fatfs/00readme.txt new file mode 100644 index 0000000..3d583cb --- /dev/null +++ b/thirdparty/fatfs/00readme.txt @@ -0,0 +1,21 @@ +FatFs Module Source Files R0.12a + + +FILES + + 00readme.txt This file. + history.txt Revision history. + ffconf.h Configuration file for FatFs module. + ff.h Common include file for FatFs and application module. + ff.c FatFs module. + diskio.h Common include file for FatFs and disk I/O module. + diskio.c An example of glue function to attach existing disk I/O module to FatFs. + integer.h Integer type definitions for FatFs. + option Optional external functions. + + + Low level disk I/O module is not included in this archive because the FatFs + module is only a generic file system layer and not depend on any specific + storage device. You have to provide a low level disk I/O module that written + to control the target storage device. + diff --git a/thirdparty/fatfs/diskio.c b/thirdparty/fatfs/diskio.c new file mode 100644 index 0000000..65aa967 --- /dev/null +++ b/thirdparty/fatfs/diskio.c @@ -0,0 +1,171 @@ +/*-----------------------------------------------------------------------*/ +/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2014 */ +/*-----------------------------------------------------------------------*/ +/* If a working storage control module is available, it should be */ +/* attached to the FatFs via a glue function rather than modifying it. */ +/*-----------------------------------------------------------------------*/ + +#include "ff.h" +#include "diskio.h" /* FatFs lower layer API */ +#include "types.h" +#include "arm9/dev.h" + + + +// Get's set externally in dev.c +u32 ctr_nand_sector; + +PARTITION VolToPart[] = { + {0, 0}, /* Logical drive 0 ==> Physical drive 0, autodetect partitiion */ + {1, 1}, /* Logical drive 1 ==> Physical drive 1, 1st partition */ + {1, 2}, /* Logical drive 2 ==> Physical drive 1, 2nd partition */ + {2, 1} /* Logical drive 3 ==> Physical drive 2, 1st partition */ +}; + +/*-----------------------------------------------------------------------*/ +/* Get Drive Status */ +/*-----------------------------------------------------------------------*/ + +DSTATUS disk_status ( + UNUSED BYTE pdrv /* Physical drive nmuber to identify the drive */ +) +{ + return 0; +} + +/*-----------------------------------------------------------------------*/ +/* Initialize a Drive */ +/*-----------------------------------------------------------------------*/ + +DSTATUS disk_initialize ( + BYTE pdrv /* Physical drive number to identify the drive */ +) +{ + switch(pdrv) + { + case FATFS_DEV_NUM_SD: + if(!dev_sdcard->init()) return STA_NOINIT; + break; + case FATFS_DEV_NUM_TWL_NAND: + if(!dev_decnand->init()) return STA_NOINIT; + break; + case FATFS_DEV_NUM_CTR_NAND: + if(!dev_decnand->init()) return STA_NOINIT; + break; + default: + return STA_NOINIT | STA_NODISK; + } + + return 0; +} + +/*-----------------------------------------------------------------------*/ +/* Read Sector(s) */ +/*-----------------------------------------------------------------------*/ + +DRESULT disk_read ( + BYTE pdrv, /* Physical drive nmuber to identify the drive */ + BYTE *buff, /* Data buffer to store read data */ + DWORD sector, /* Sector address in LBA */ + UINT count /* Number of sectors to read */ +) +{ + switch(pdrv) + { + case FATFS_DEV_NUM_SD: + if(!dev_sdcard->read_sector((u32)sector, (u32)count, buff)) return RES_ERROR; + break; + case FATFS_DEV_NUM_TWL_NAND: + if(!dev_decnand->read_sector((u32)sector, (u32)count, buff)) return RES_ERROR; + break; + case FATFS_DEV_NUM_CTR_NAND: + if(!dev_decnand->read_sector(ctr_nand_sector + (u32)sector, (u32)count, buff)) return RES_ERROR; + break; + default: + return RES_PARERR; + } + + return RES_OK; +} + + + +/*-----------------------------------------------------------------------*/ +/* Write Sector(s) */ +/*-----------------------------------------------------------------------*/ + +DRESULT disk_write ( + BYTE pdrv, /* Physical drive nmuber to identify the drive */ + const BYTE *buff, /* Data to be written */ + DWORD sector, /* Sector address in LBA */ + UINT count /* Number of sectors to write */ +) +{ + switch(pdrv) + { + case FATFS_DEV_NUM_SD: + if(!dev_sdcard->write_sector((u32)sector, (u32)count, buff)) return RES_ERROR; + break; + case FATFS_DEV_NUM_TWL_NAND: + if(!dev_decnand->write_sector((u32)sector, (u32)count, buff)) return RES_ERROR; + break; + case FATFS_DEV_NUM_CTR_NAND: + if(!dev_decnand->write_sector(ctr_nand_sector + (u32)sector, (u32)count, buff)) return RES_ERROR; + break; + default: + return RES_PARERR; + } + + return RES_OK; +} + +/*-----------------------------------------------------------------------*/ +/* Miscellaneous Functions */ +/*-----------------------------------------------------------------------*/ + +DRESULT disk_ioctl ( + BYTE pdrv, /* Physical drive nmuber (0..) */ + BYTE cmd, /* Control code */ + void *buff /* Buffer to send/receive control data */ +) +{ + const dev_struct *dev; + + switch(pdrv) + { + case FATFS_DEV_NUM_SD: + dev = dev_sdcard; + break; + case FATFS_DEV_NUM_TWL_NAND: + dev = dev_decnand; + break; + case FATFS_DEV_NUM_CTR_NAND: + dev = dev_decnand; + break; + default: + return RES_PARERR; + } + + switch(cmd) + { + case GET_SECTOR_COUNT: + if(dev->get_sector_count) + { + *(DWORD*)buff = dev->get_sector_count(); + break; + } + return RES_NOTRDY; + case GET_SECTOR_SIZE: + *(WORD*)buff = 512; + break; + case GET_BLOCK_SIZE: + *(DWORD*)buff = 0x800; // Default to 1 MB + case CTRL_TRIM: + case CTRL_SYNC: + break; + default: + return RES_PARERR; + } + + return RES_OK; +} diff --git a/thirdparty/fatfs/diskio.h b/thirdparty/fatfs/diskio.h new file mode 100644 index 0000000..961a742 --- /dev/null +++ b/thirdparty/fatfs/diskio.h @@ -0,0 +1,84 @@ +/*-----------------------------------------------------------------------/ +/ Low level disk interface modlue include file (C)ChaN, 2014 / +/-----------------------------------------------------------------------*/ + +#define FATFS_DEV_NUM_SD 0 +#define FATFS_DEV_NUM_TWL_NAND 1 +#define FATFS_DEV_NUM_CTR_NAND 2 + +#ifndef _DISKIO_DEFINED +#define _DISKIO_DEFINED + +#ifdef __cplusplus +extern "C" { +#endif + +#include "integer.h" + + +/* Status of Disk Functions */ +typedef BYTE DSTATUS; + +/* Results of Disk Functions */ +typedef enum { + RES_OK = 0, /* 0: Successful */ + RES_ERROR, /* 1: R/W Error */ + RES_WRPRT, /* 2: Write Protected */ + RES_NOTRDY, /* 3: Not Ready */ + RES_PARERR /* 4: Invalid Parameter */ +} DRESULT; + + +/*---------------------------------------*/ +/* Prototypes for disk control functions */ + + +DSTATUS disk_initialize (BYTE pdrv); +DSTATUS disk_status (BYTE pdrv); +DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count); +DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count); +DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); + + +/* Disk Status Bits (DSTATUS) */ + +#define STA_NOINIT 0x01 /* Drive not initialized */ +#define STA_NODISK 0x02 /* No medium in the drive */ +#define STA_PROTECT 0x04 /* Write protected */ + + +/* Command code for disk_ioctrl fucntion */ + +/* Generic command (Used by FatFs) */ +#define CTRL_SYNC 0 /* Complete pending write process (needed at _FS_READONLY == 0) */ +#define GET_SECTOR_COUNT 1 /* Get media size (needed at _USE_MKFS == 1) */ +#define GET_SECTOR_SIZE 2 /* Get sector size (needed at _MAX_SS != _MIN_SS) */ +#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at _USE_MKFS == 1) */ +#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */ + +/* Generic command (Not used by FatFs) */ +#define CTRL_POWER 5 /* Get/Set power status */ +#define CTRL_LOCK 6 /* Lock/Unlock media removal */ +#define CTRL_EJECT 7 /* Eject media */ +#define CTRL_FORMAT 8 /* Create physical format on the media */ + +/* MMC/SDC specific ioctl command */ +#define MMC_GET_TYPE 10 /* Get card type */ +#define MMC_GET_CSD 11 /* Get CSD */ +#define MMC_GET_CID 12 /* Get CID */ +#define MMC_GET_OCR 13 /* Get OCR */ +#define MMC_GET_SDSTAT 14 /* Get SD status */ +#define ISDIO_READ 55 /* Read data form SD iSDIO register */ +#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */ +#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */ + +/* ATA/CF specific ioctl command */ +#define ATA_GET_REV 20 /* Get F/W revision */ +#define ATA_GET_MODEL 21 /* Get model name */ +#define ATA_GET_SN 22 /* Get serial number */ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/thirdparty/fatfs/ff.c b/thirdparty/fatfs/ff.c new file mode 100644 index 0000000..273bbf7 --- /dev/null +++ b/thirdparty/fatfs/ff.c @@ -0,0 +1,6042 @@ +/*----------------------------------------------------------------------------/ +/ FatFs - Generic FAT file system module R0.12b / +/-----------------------------------------------------------------------------/ +/ +/ Copyright (C) 2016, ChaN, all right reserved. +/ +/ FatFs module is an open source software. Redistribution and use of FatFs in +/ source and binary forms, with or without modification, are permitted provided +/ that the following condition is met: + +/ 1. Redistributions of source code must retain the above copyright notice, +/ this condition and the following disclaimer. +/ +/ This software is provided by the copyright holder and contributors "AS IS" +/ and any warranties related to this software are DISCLAIMED. +/ The copyright owner or contributors be NOT LIABLE for any damages caused +/ by use of this software. +/----------------------------------------------------------------------------*/ + + +#include "ff.h" /* Declarations of FatFs API */ +#include "diskio.h" /* Declarations of device I/O functions */ +#include "ff_malloc.h" + + +/*-------------------------------------------------------------------------- + + Module Private Definitions + +---------------------------------------------------------------------------*/ + +#if _FATFS != 68020 /* Revision ID */ +#error Wrong include file (ff.h). +#endif + + +#define ABORT(fs, res) { fp->err = (BYTE)(res); LEAVE_FF(fs, res); } + + +/* Reentrancy related */ +#if _FS_REENTRANT +#if _USE_LFN == 1 +#error Static LFN work area cannot be used at thread-safe configuration +#endif +#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; } +#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; } +#else +#define ENTER_FF(fs) +#define LEAVE_FF(fs, res) return res +#endif + + + +/* Definitions of sector size */ +#if (_MAX_SS < _MIN_SS) || (_MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096) || (_MIN_SS != 512 && _MIN_SS != 1024 && _MIN_SS != 2048 && _MIN_SS != 4096) +#error Wrong sector size configuration +#endif +#if _MAX_SS == _MIN_SS +#define SS(fs) ((UINT)_MAX_SS) /* Fixed sector size */ +#else +#define SS(fs) ((fs)->ssize) /* Variable sector size */ +#endif + + +/* Timestamp */ +#if _FS_NORTC == 1 +#if _NORTC_YEAR < 1980 || _NORTC_YEAR > 2107 || _NORTC_MON < 1 || _NORTC_MON > 12 || _NORTC_MDAY < 1 || _NORTC_MDAY > 31 +#error Invalid _FS_NORTC settings +#endif +#define GET_FATTIME() ((DWORD)(_NORTC_YEAR - 1980) << 25 | (DWORD)_NORTC_MON << 21 | (DWORD)_NORTC_MDAY << 16) +#else +#define GET_FATTIME() get_fattime() +#endif + + +/* File lock controls */ +#if _FS_LOCK != 0 +#if _FS_READONLY +#error _FS_LOCK must be 0 at read-only configuration +#endif +typedef struct { + FATFS *fs; /* Object ID 1, volume (NULL:blank entry) */ + DWORD clu; /* Object ID 2, directory (0:root) */ + DWORD ofs; /* Object ID 3, directory offset */ + WORD ctr; /* Object open counter, 0:none, 0x01..0xFF:read mode open count, 0x100:write mode */ +} FILESEM; +#endif + + + +/* DBCS code ranges and SBCS upper conversion tables */ + +#if _CODE_PAGE == 932 /* Japanese Shift-JIS */ +#define _DF1S 0x81 /* DBC 1st byte range 1 start */ +#define _DF1E 0x9F /* DBC 1st byte range 1 end */ +#define _DF2S 0xE0 /* DBC 1st byte range 2 start */ +#define _DF2E 0xFC /* DBC 1st byte range 2 end */ +#define _DS1S 0x40 /* DBC 2nd byte range 1 start */ +#define _DS1E 0x7E /* DBC 2nd byte range 1 end */ +#define _DS2S 0x80 /* DBC 2nd byte range 2 start */ +#define _DS2E 0xFC /* DBC 2nd byte range 2 end */ + +#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */ +#define _DF1S 0x81 +#define _DF1E 0xFE +#define _DS1S 0x40 +#define _DS1E 0x7E +#define _DS2S 0x80 +#define _DS2E 0xFE + +#elif _CODE_PAGE == 949 /* Korean */ +#define _DF1S 0x81 +#define _DF1E 0xFE +#define _DS1S 0x41 +#define _DS1E 0x5A +#define _DS2S 0x61 +#define _DS2E 0x7A +#define _DS3S 0x81 +#define _DS3E 0xFE + +#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */ +#define _DF1S 0x81 +#define _DF1E 0xFE +#define _DS1S 0x40 +#define _DS1E 0x7E +#define _DS2S 0xA1 +#define _DS2E 0xFE + +#elif _CODE_PAGE == 437 /* U.S. */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x45,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ + 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 720 /* Arabic */ +#define _DF1S 0 +#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 737 /* Greek */ +#define _DF1S 0 +#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \ + 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xEF,0xF5,0xF0,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 771 /* KBL */ +#define _DF1S 0 +#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDC,0xDE,0xDE, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFE,0xFF} + +#elif _CODE_PAGE == 775 /* Baltic */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F, \ + 0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ + 0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 850 /* Latin 1 */ +#define _DF1S 0 +#define _EXCVT {0x43,0x55,0x45,0x41,0x41,0x41,0x41,0x43,0x45,0x45,0x45,0x49,0x49,0x49,0x41,0x41, \ + 0x45,0x92,0x92,0x4F,0x4F,0x4F,0x55,0x55,0x59,0x4F,0x55,0x4F,0x9C,0x4F,0x9E,0x9F, \ + 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0x41,0x41,0x41,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0x41,0x41,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD1,0xD1,0x45,0x45,0x45,0x49,0x49,0x49,0x49,0xD9,0xDA,0xDB,0xDC,0xDD,0x49,0xDF, \ + 0x4F,0xE1,0x4F,0x4F,0x4F,0x4F,0xE6,0xE8,0xE8,0x55,0x55,0x55,0x59,0x59,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 852 /* Latin 2 */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F, \ + 0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0xAC, \ + 0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF} + +#elif _CODE_PAGE == 855 /* Cyrillic */ +#define _DF1S 0 +#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F, \ + 0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \ + 0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \ + 0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF, \ + 0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 857 /* Turkish */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x49,0x8E,0x8F, \ + 0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \ + 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0x49,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 860 /* Portuguese */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x90,0x8F,0x8E,0x91,0x86,0x80,0x89,0x89,0x92,0x8B,0x8C,0x98,0x8E,0x8F, \ + 0x90,0x91,0x92,0x8C,0x99,0xA9,0x96,0x9D,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x86,0x8B,0x9F,0x96,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 861 /* Icelandic */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x8B,0x8B,0x8D,0x8E,0x8F, \ + 0x90,0x92,0x92,0x4F,0x99,0x8D,0x55,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \ + 0xA4,0xA5,0xA6,0xA7,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 862 /* Hebrew */ +#define _DF1S 0 +#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 863 /* Canadian-French */ +#define _DF1S 0 +#define _EXCVT {0x43,0x55,0x45,0x41,0x41,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x41,0x8F, \ + 0x45,0x45,0x45,0x4F,0x45,0x49,0x55,0x55,0x98,0x4F,0x55,0x9B,0x9C,0x55,0x55,0x9F, \ + 0xA0,0xA1,0x4F,0x55,0xA4,0xA5,0xA6,0xA7,0x49,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 864 /* Arabic */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x45,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ + 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 865 /* Nordic */ +#define _DF1S 0 +#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F, \ + 0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF, \ + 0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 866 /* Russian */ +#define _DF1S 0 +#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \ + 0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF} + +#elif _CODE_PAGE == 869 /* Greek 2 */ +#define _DF1S 0 +#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F, \ + 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x86,0x9C,0x8D,0x8F,0x90, \ + 0x91,0x90,0x92,0x95,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF, \ + 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \ + 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF, \ + 0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xA4,0xA5,0xA6,0xD9,0xDA,0xDB,0xDC,0xA7,0xA8,0xDF, \ + 0xA9,0xAA,0xAC,0xAD,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xCF,0xCF,0xD0,0xEF, \ + 0xF0,0xF1,0xD1,0xD2,0xD3,0xF5,0xD4,0xF7,0xF8,0xF9,0xD5,0x96,0x95,0x98,0xFE,0xFF} + +#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */ +#if _USE_LFN != 0 +#error Cannot enable LFN without valid code page. +#endif +#define _DF1S 0 + +#else +#error Unknown code page + +#endif + + +/* Character code support macros */ +#define IsUpper(c) (((c)>='A')&&((c)<='Z')) +#define IsLower(c) (((c)>='a')&&((c)<='z')) +#define IsDigit(c) (((c)>='0')&&((c)<='9')) + +#if _DF1S != 0 /* Code page is DBCS */ + +#ifdef _DF2S /* Two 1st byte areas */ +#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E)) +#else /* One 1st byte area */ +#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) +#endif + +#ifdef _DS3S /* Three 2nd byte areas */ +#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E)) +#else /* Two 2nd byte areas */ +#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E)) +#endif + +#else /* Code page is SBCS */ + +#define IsDBCS1(c) 0 +#define IsDBCS2(c) 0 + +#endif /* _DF1S */ + + +/* File attribute bits (internal use) */ +#define AM_VOL 0x08 /* Volume label */ +#define AM_LFN 0x0F /* LFN entry */ +#define AM_MASK 0x3F /* Mask of defined bits */ + + +/* File access control and file status flags (internal use) */ +#define FA_SEEKEND 0x20 /* Seek to end of the file on file open */ +#define FA_MODIFIED 0x40 /* File has been modified */ +#define FA_DIRTY 0x80 /* FIL.buf[] needs to be written-back */ + + +/* Name status flags */ +#define NSFLAG 11 /* Index of name status byte in fn[] */ +#define NS_LOSS 0x01 /* Out of 8.3 format */ +#define NS_LFN 0x02 /* Force to create LFN entry */ +#define NS_LAST 0x04 /* Last segment */ +#define NS_BODY 0x08 /* Lower case flag (body) */ +#define NS_EXT 0x10 /* Lower case flag (ext) */ +#define NS_DOT 0x20 /* Dot entry */ +#define NS_NOLFN 0x40 /* Do not find LFN */ +#define NS_NONAME 0x80 /* Not followed */ + + +/* Limits and boundaries (differ from specs but correct for real DOS/Windows) */ +#define MAX_FAT12 0xFF5 /* Maximum number of FAT12 clusters */ +#define MAX_FAT16 0xFFF5 /* Maximum number of FAT16 clusters */ +#define MAX_FAT32 0xFFFFFF5 /* Maximum number of FAT32 clusters */ +#define MAX_EXFAT 0x7FFFFFFD /* Maximum number of exFAT clusters (limited by implementation) */ +#define MAX_DIR 0x200000 /* Maximum size of FAT directory */ +#define MAX_DIR_EX 0x10000000 /* Maximum size of exFAT directory */ + + +/* FatFs refers the members in the FAT structures as byte array instead of +/ structure members because the structure is not binary compatible between +/ different platforms */ + +#define BS_JmpBoot 0 /* x86 jump instruction (3-byte) */ +#define BS_OEMName 3 /* OEM name (8-byte) */ +#define BPB_BytsPerSec 11 /* Sector size [byte] (WORD) */ +#define BPB_SecPerClus 13 /* Cluster size [sector] (BYTE) */ +#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (WORD) */ +#define BPB_NumFATs 16 /* Number of FATs (BYTE) */ +#define BPB_RootEntCnt 17 /* Size of root directory area for FAT12/16 [entry] (WORD) */ +#define BPB_TotSec16 19 /* Volume size (16-bit) [sector] (WORD) */ +#define BPB_Media 21 /* Media descriptor byte (BYTE) */ +#define BPB_FATSz16 22 /* FAT size (16-bit) [sector] (WORD) */ +#define BPB_SecPerTrk 24 /* Track size for int13h [sector] (WORD) */ +#define BPB_NumHeads 26 /* Number of heads for int13h (WORD) */ +#define BPB_HiddSec 28 /* Volume offset from top of the drive (DWORD) */ +#define BPB_TotSec32 32 /* Volume size (32-bit) [sector] (DWORD) */ +#define BS_DrvNum 36 /* Physical drive number for int13h (BYTE) */ +#define BS_NTres 37 /* Error flag (BYTE) */ +#define BS_BootSig 38 /* Extended boot signature (BYTE) */ +#define BS_VolID 39 /* Volume serial number (DWORD) */ +#define BS_VolLab 43 /* Volume label string (8-byte) */ +#define BS_FilSysType 54 /* File system type string (8-byte) */ +#define BS_BootCode 62 /* Boot code (448-byte) */ +#define BS_55AA 510 /* Signature word (WORD) */ + +#define BPB_FATSz32 36 /* FAT32: FAT size [sector] (DWORD) */ +#define BPB_ExtFlags32 40 /* FAT32: Extended flags (WORD) */ +#define BPB_FSVer32 42 /* FAT32: File system version (WORD) */ +#define BPB_RootClus32 44 /* FAT32: Root directory cluster (DWORD) */ +#define BPB_FSInfo32 48 /* FAT32: Offset of FSINFO sector (WORD) */ +#define BPB_BkBootSec32 50 /* FAT32: Offset of backup boot sector (WORD) */ +#define BS_DrvNum32 64 /* FAT32: Physical drive number for int13h (BYTE) */ +#define BS_NTres32 65 /* FAT32: Error flag (BYTE) */ +#define BS_BootSig32 66 /* FAT32: Extended boot signature (BYTE) */ +#define BS_VolID32 67 /* FAT32: Volume serial number (DWORD) */ +#define BS_VolLab32 71 /* FAT32: Volume label string (8-byte) */ +#define BS_FilSysType32 82 /* FAT32: File system type string (8-byte) */ +#define BS_BootCode32 90 /* FAT32: Boot code (420-byte) */ + +#define BPB_ZeroedEx 11 /* exFAT: MBZ field (53-byte) */ +#define BPB_VolOfsEx 64 /* exFAT: Volume offset from top of the drive [sector] (QWORD) */ +#define BPB_TotSecEx 72 /* exFAT: Volume size [sector] (QWORD) */ +#define BPB_FatOfsEx 80 /* exFAT: FAT offset from top of the volume [sector] (DWORD) */ +#define BPB_FatSzEx 84 /* exFAT: FAT size [sector] (DWORD) */ +#define BPB_DataOfsEx 88 /* exFAT: Data offset from top of the volume [sector] (DWORD) */ +#define BPB_NumClusEx 92 /* exFAT: Number of clusters (DWORD) */ +#define BPB_RootClusEx 96 /* exFAT: Root directory cluster (DWORD) */ +#define BPB_VolIDEx 100 /* exFAT: Volume serial number (DWORD) */ +#define BPB_FSVerEx 104 /* exFAT: File system version (WORD) */ +#define BPB_VolFlagEx 106 /* exFAT: Volume flags (BYTE) */ +#define BPB_ActFatEx 107 /* exFAT: Active FAT flags (BYTE) */ +#define BPB_BytsPerSecEx 108 /* exFAT: Log2 of sector size in byte (BYTE) */ +#define BPB_SecPerClusEx 109 /* exFAT: Log2 of cluster size in sector (BYTE) */ +#define BPB_NumFATsEx 110 /* exFAT: Number of FATs (BYTE) */ +#define BPB_DrvNumEx 111 /* exFAT: Physical drive number for int13h (BYTE) */ +#define BPB_PercInUseEx 112 /* exFAT: Percent in use (BYTE) */ +#define BPB_RsvdEx 113 /* exFAT: Reserved (7-byte) */ +#define BS_BootCodeEx 120 /* exFAT: Boot code (390-byte) */ + +#define FSI_LeadSig 0 /* FAT32 FSI: Leading signature (DWORD) */ +#define FSI_StrucSig 484 /* FAT32 FSI: Structure signature (DWORD) */ +#define FSI_Free_Count 488 /* FAT32 FSI: Number of free clusters (DWORD) */ +#define FSI_Nxt_Free 492 /* FAT32 FSI: Last allocated cluster (DWORD) */ + +#define MBR_Table 446 /* MBR: Offset of partition table in the MBR */ +#define SZ_PTE 16 /* MBR: Size of a partition table entry */ +#define PTE_Boot 0 /* MBR PTE: Boot indicator */ +#define PTE_StHead 1 /* MBR PTE: Start head */ +#define PTE_StSec 2 /* MBR PTE: Start sector */ +#define PTE_StCyl 3 /* MBR PTE: Start cylinder */ +#define PTE_System 4 /* MBR PTE: System ID */ +#define PTE_EdHead 5 /* MBR PTE: End head */ +#define PTE_EdSec 6 /* MBR PTE: End sector */ +#define PTE_EdCyl 7 /* MBR PTE: End cylinder */ +#define PTE_StLba 8 /* MBR PTE: Start in LBA */ +#define PTE_SizLba 12 /* MBR PTE: Size in LBA */ + +#define DIR_Name 0 /* Short file name (11-byte) */ +#define DIR_Attr 11 /* Attribute (BYTE) */ +#define DIR_NTres 12 /* Lower case flag (BYTE) */ +#define DIR_CrtTime10 13 /* Created time sub-second (BYTE) */ +#define DIR_CrtTime 14 /* Created time (DWORD) */ +#define DIR_LstAccDate 18 /* Last accessed date (WORD) */ +#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (WORD) */ +#define DIR_ModTime 22 /* Modified time (DWORD) */ +#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (WORD) */ +#define DIR_FileSize 28 /* File size (DWORD) */ +#define LDIR_Ord 0 /* LFN entry order and LLE flag (BYTE) */ +#define LDIR_Attr 11 /* LFN attribute (BYTE) */ +#define LDIR_Type 12 /* LFN type (BYTE) */ +#define LDIR_Chksum 13 /* Checksum of the SFN entry (BYTE) */ +#define LDIR_FstClusLO 26 /* Must be zero (WORD) */ +#define XDIR_Type 0 /* Type of exFAT directory entry (BYTE) */ +#define XDIR_NumLabel 1 /* Number of volume label characters (BYTE) */ +#define XDIR_Label 2 /* Volume label (11-WORD) */ +#define XDIR_CaseSum 4 /* Sum of case conversion table (DWORD) */ +#define XDIR_NumSec 1 /* Number of secondary entries (BYTE) */ +#define XDIR_SetSum 2 /* Sum of the set of directory entries (WORD) */ +#define XDIR_Attr 4 /* File attribute (WORD) */ +#define XDIR_CrtTime 8 /* Created time (DWORD) */ +#define XDIR_ModTime 12 /* Modified time (DWORD) */ +#define XDIR_AccTime 16 /* Last accessed time (DWORD) */ +#define XDIR_CrtTime10 20 /* Created time subsecond (BYTE) */ +#define XDIR_ModTime10 21 /* Modified time subsecond (BYTE) */ +#define XDIR_CrtTZ 22 /* Created timezone (BYTE) */ +#define XDIR_ModTZ 23 /* Modified timezone (BYTE) */ +#define XDIR_AccTZ 24 /* Last accessed timezone (BYTE) */ +#define XDIR_GenFlags 33 /* Gneral secondary flags (WORD) */ +#define XDIR_NumName 35 /* Number of file name characters (BYTE) */ +#define XDIR_NameHash 36 /* Hash of file name (WORD) */ +#define XDIR_ValidFileSize 40 /* Valid file size (QWORD) */ +#define XDIR_FstClus 52 /* First cluster of the file data (DWORD) */ +#define XDIR_FileSize 56 /* File/Directory size (QWORD) */ + +#define SZDIRE 32 /* Size of a directory entry */ +#define LLEF 0x40 /* Last long entry flag in LDIR_Ord */ +#define DDEM 0xE5 /* Deleted directory entry mark set to DIR_Name[0] */ +#define RDDEM 0x05 /* Replacement of the character collides with DDEM */ + + + + + +/*-------------------------------------------------------------------------- + + Module Private Work Area + +---------------------------------------------------------------------------*/ + +/* Remark: Variables here without initial value shall be guaranteed zero/null +/ at start-up. If not, either the linker or start-up routine being used is +/ not compliance with C standard. */ + +#if _VOLUMES < 1 || _VOLUMES > 9 +#error Wrong _VOLUMES setting +#endif +static FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */ +static WORD Fsid; /* File system mount ID */ + +#if _FS_RPATH != 0 && _VOLUMES >= 2 +static BYTE CurrVol; /* Current drive */ +#endif + +#if _FS_LOCK != 0 +static FILESEM Files[_FS_LOCK]; /* Open object lock semaphores */ +#endif + +#if _USE_LFN == 0 /* Non-LFN configuration */ +#define DEF_NAMBUF +#define INIT_NAMBUF(fs) +#define FREE_NAMBUF() +#else +#if _MAX_LFN < 12 || _MAX_LFN > 255 +#error Wrong _MAX_LFN setting +#endif + +#if _USE_LFN == 1 /* LFN enabled with static working buffer */ +#if _FS_EXFAT +static BYTE DirBuf[SZDIRE*19]; /* Directory entry block scratchpad buffer (19 entries in size) */ +#endif +static WCHAR LfnBuf[_MAX_LFN+1]; /* LFN enabled with static working buffer */ +#define DEF_NAMBUF +#define INIT_NAMBUF(fs) +#define FREE_NAMBUF() + +#elif _USE_LFN == 2 /* LFN enabled with dynamic working buffer on the stack */ +#if _FS_EXFAT +#define DEF_NAMBUF WCHAR lbuf[_MAX_LFN+1]; BYTE dbuf[SZDIRE*19]; +#define INIT_NAMBUF(fs) { (fs)->lfnbuf = lbuf; (fs)->dirbuf = dbuf; } +#define FREE_NAMBUF() +#else +#define DEF_NAMBUF WCHAR lbuf[_MAX_LFN+1]; +#define INIT_NAMBUF(fs) { (fs)->lfnbuf = lbuf; } +#define FREE_NAMBUF() +#endif + +#elif _USE_LFN == 3 /* LFN enabled with dynamic working buffer on the heap */ +#if _FS_EXFAT +#define DEF_NAMBUF WCHAR *lfn; +#define INIT_NAMBUF(fs) { lfn = ff_memalloc((_MAX_LFN+1)*2 + SZDIRE*19); if (!lfn) LEAVE_FF(fs, FR_NOT_ENOUGH_CORE); (fs)->lfnbuf = lfn; (fs)->dirbuf = (BYTE*)(lfn+_MAX_LFN+1); } +#define FREE_NAMBUF() ff_memfree(lfn) +#else +#define DEF_NAMBUF WCHAR *lfn; +#define INIT_NAMBUF(fs) { lfn = ff_memalloc((_MAX_LFN+1)*2); if (!lfn) LEAVE_FF(fs, FR_NOT_ENOUGH_CORE); (fs)->lfnbuf = lfn; } +#define FREE_NAMBUF() ff_memfree(lfn) +#endif + +#else +#error Wrong _USE_LFN setting +#endif +#endif + +#ifdef _EXCVT +static const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for SBCS extended characters */ +#endif + + + + + + +/*-------------------------------------------------------------------------- + + Module Private Functions + +---------------------------------------------------------------------------*/ + + +/*-----------------------------------------------------------------------*/ +/* Load/Store multi-byte word in the FAT structure */ +/*-----------------------------------------------------------------------*/ + +static +WORD ld_word (const BYTE* ptr) /* Load a 2-byte little-endian word */ +{ + WORD rv; + + rv = ptr[1]; + rv = rv << 8 | ptr[0]; + return rv; +} + +static +DWORD ld_dword (const BYTE* ptr) /* Load a 4-byte little-endian word */ +{ + DWORD rv; + + rv = ptr[3]; + rv = rv << 8 | ptr[2]; + rv = rv << 8 | ptr[1]; + rv = rv << 8 | ptr[0]; + return rv; +} + +#if _FS_EXFAT +static +QWORD ld_qword (const BYTE* ptr) /* Load an 8-byte little-endian word */ +{ + QWORD rv; + + rv = ptr[7]; + rv = rv << 8 | ptr[6]; + rv = rv << 8 | ptr[5]; + rv = rv << 8 | ptr[4]; + rv = rv << 8 | ptr[3]; + rv = rv << 8 | ptr[2]; + rv = rv << 8 | ptr[1]; + rv = rv << 8 | ptr[0]; + return rv; +} +#endif + +#if !_FS_READONLY +static +void st_word (BYTE* ptr, WORD val) /* Store a 2-byte word in little-endian */ +{ + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; +} + +static +void st_dword (BYTE* ptr, DWORD val) /* Store a 4-byte word in little-endian */ +{ + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; +} + +#if _FS_EXFAT +static +void st_qword (BYTE* ptr, QWORD val) /* Store an 8-byte word in little-endian */ +{ + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; val >>= 8; + *ptr++ = (BYTE)val; +} +#endif +#endif /* !_FS_READONLY */ + + + +/*-----------------------------------------------------------------------*/ +/* String functions */ +/*-----------------------------------------------------------------------*/ + +/* Copy memory to memory */ +static +void mem_cpy (void* dst, const void* src, UINT cnt) { + BYTE *d = (BYTE*)dst; + const BYTE *s = (const BYTE*)src; + + if (cnt) { + do *d++ = *s++; while (--cnt); + } +} + +/* Fill memory block */ +static +void mem_set (void* dst, int val, UINT cnt) { + BYTE *d = (BYTE*)dst; + + do *d++ = (BYTE)val; while (--cnt); +} + +/* Compare memory block */ +static +int mem_cmp (const void* dst, const void* src, UINT cnt) { /* ZR:same, NZ:different */ + const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src; + int r = 0; + + do { + r = *d++ - *s++; + } while (--cnt && r == 0); + + return r; +} + +/* Check if chr is contained in the string */ +static +int chk_chr (const char* str, int chr) { /* NZ:contained, ZR:not contained */ + while (*str && *str != chr) str++; + return *str; +} + + + + +#if _FS_REENTRANT +/*-----------------------------------------------------------------------*/ +/* Request/Release grant to access the volume */ +/*-----------------------------------------------------------------------*/ +static +int lock_fs ( + FATFS* fs /* File system object */ +) +{ + return ff_req_grant(fs->sobj); +} + + +static +void unlock_fs ( + FATFS* fs, /* File system object */ + FRESULT res /* Result code to be returned */ +) +{ + if (fs && res != FR_NOT_ENABLED && res != FR_INVALID_DRIVE && res != FR_TIMEOUT) { + ff_rel_grant(fs->sobj); + } +} + +#endif + + + +#if _FS_LOCK != 0 +/*-----------------------------------------------------------------------*/ +/* File lock control functions */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT chk_lock ( /* Check if the file can be accessed */ + DIR* dp, /* Directory object pointing the file to be checked */ + int acc /* Desired access type (0:Read, 1:Write, 2:Delete/Rename) */ +) +{ + UINT i, be; + + /* Search file semaphore table */ + for (i = be = 0; i < _FS_LOCK; i++) { + if (Files[i].fs) { /* Existing entry */ + if (Files[i].fs == dp->obj.fs && /* Check if the object matched with an open object */ + Files[i].clu == dp->obj.sclust && + Files[i].ofs == dp->dptr) break; + } else { /* Blank entry */ + be = 1; + } + } + if (i == _FS_LOCK) { /* The object is not opened */ + return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new object? */ + } + + /* The object has been opened. Reject any open against writing file and all write mode open */ + return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK; +} + + +static +int enq_lock (void) /* Check if an entry is available for a new object */ +{ + UINT i; + + for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; + return (i == _FS_LOCK) ? 0 : 1; +} + + +static +UINT inc_lock ( /* Increment object open counter and returns its index (0:Internal error) */ + DIR* dp, /* Directory object pointing the file to register or increment */ + int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */ +) +{ + UINT i; + + + for (i = 0; i < _FS_LOCK; i++) { /* Find the object */ + if (Files[i].fs == dp->obj.fs && + Files[i].clu == dp->obj.sclust && + Files[i].ofs == dp->dptr) break; + } + + if (i == _FS_LOCK) { /* Not opened. Register it as new. */ + for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ; + if (i == _FS_LOCK) return 0; /* No free entry to register (int err) */ + Files[i].fs = dp->obj.fs; + Files[i].clu = dp->obj.sclust; + Files[i].ofs = dp->dptr; + Files[i].ctr = 0; + } + + if (acc && Files[i].ctr) return 0; /* Access violation (int err) */ + + Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */ + + return i + 1; +} + + +static +FRESULT dec_lock ( /* Decrement object open counter */ + UINT i /* Semaphore index (1..) */ +) +{ + WORD n; + FRESULT res; + + + if (--i < _FS_LOCK) { /* Shift index number origin from 0 */ + n = Files[i].ctr; + if (n == 0x100) n = 0; /* If write mode open, delete the entry */ + if (n > 0) n--; /* Decrement read mode open count */ + Files[i].ctr = n; + if (n == 0) Files[i].fs = 0; /* Delete the entry if open count gets zero */ + res = FR_OK; + } else { + res = FR_INT_ERR; /* Invalid index nunber */ + } + return res; +} + + +static +void clear_lock ( /* Clear lock entries of the volume */ + FATFS *fs +) +{ + UINT i; + + for (i = 0; i < _FS_LOCK; i++) { + if (Files[i].fs == fs) Files[i].fs = 0; + } +} + +#endif /* _FS_LOCK != 0 */ + + + +/*-----------------------------------------------------------------------*/ +/* Move/Flush disk access window in the file system object */ +/*-----------------------------------------------------------------------*/ +#if !_FS_READONLY +static +FRESULT sync_window ( /* Returns FR_OK or FR_DISK_ERROR */ + FATFS* fs /* File system object */ +) +{ + DWORD wsect; + UINT nf; + FRESULT res = FR_OK; + + + if (fs->wflag) { /* Write back the sector if it is dirty */ + wsect = fs->winsect; /* Current sector number */ + if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK) { + res = FR_DISK_ERR; + } else { + fs->wflag = 0; + if (wsect - fs->fatbase < fs->fsize) { /* Is it in the FAT area? */ + for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */ + wsect += fs->fsize; + disk_write(fs->drv, fs->win, wsect, 1); + } + } + } + } + return res; +} +#endif + + +static +FRESULT move_window ( /* Returns FR_OK or FR_DISK_ERROR */ + FATFS* fs, /* File system object */ + DWORD sector /* Sector number to make appearance in the fs->win[] */ +) +{ + FRESULT res = FR_OK; + + + if (sector != fs->winsect) { /* Window offset changed? */ +#if !_FS_READONLY + res = sync_window(fs); /* Write-back changes */ +#endif + if (res == FR_OK) { /* Fill sector window with new data */ + if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK) { + sector = 0xFFFFFFFF; /* Invalidate window if data is not reliable */ + res = FR_DISK_ERR; + } + fs->winsect = sector; + } + } + return res; +} + + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Synchronize file system and strage device */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT sync_fs ( /* FR_OK:succeeded, !=0:error */ + FATFS* fs /* File system object */ +) +{ + FRESULT res; + + + res = sync_window(fs); + if (res == FR_OK) { + /* Update FSInfo sector if needed */ + if (fs->fs_type == FS_FAT32 && fs->fsi_flag == 1) { + /* Create FSInfo structure */ + mem_set(fs->win, 0, SS(fs)); + st_word(fs->win + BS_55AA, 0xAA55); + st_dword(fs->win + FSI_LeadSig, 0x41615252); + st_dword(fs->win + FSI_StrucSig, 0x61417272); + st_dword(fs->win + FSI_Free_Count, fs->free_clst); + st_dword(fs->win + FSI_Nxt_Free, fs->last_clst); + /* Write it into the FSInfo sector */ + fs->winsect = fs->volbase + 1; + disk_write(fs->drv, fs->win, fs->winsect, 1); + fs->fsi_flag = 0; + } + /* Make sure that no pending write process in the physical drive */ + if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK) res = FR_DISK_ERR; + } + + return res; +} + +#endif + + + +/*-----------------------------------------------------------------------*/ +/* Get sector# from cluster# */ +/*-----------------------------------------------------------------------*/ + +static +DWORD clust2sect ( /* !=0:Sector number, 0:Failed (invalid cluster#) */ + FATFS* fs, /* File system object */ + DWORD clst /* Cluster# to be converted */ +) +{ + clst -= 2; + if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */ + return clst * fs->csize + fs->database; +} + + + + +/*-----------------------------------------------------------------------*/ +/* FAT access - Read value of a FAT entry */ +/*-----------------------------------------------------------------------*/ + +static +DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x7FFFFFFF:Cluster status */ + _FDID* obj, /* Corresponding object */ + DWORD clst /* Cluster number to get the value */ +) +{ + UINT wc, bc; + DWORD val; + FATFS *fs = obj->fs; + + + if (clst < 2 || clst >= fs->n_fatent) { /* Check if in valid range */ + val = 1; /* Internal error */ + + } else { + val = 0xFFFFFFFF; /* Default value falls on disk error */ + + switch (fs->fs_type) { + case FS_FAT12 : + bc = (UINT)clst; bc += bc / 2; + if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; + wc = fs->win[bc++ % SS(fs)]; + if (move_window(fs, fs->fatbase + (bc / SS(fs))) != FR_OK) break; + wc |= fs->win[bc % SS(fs)] << 8; + val = (clst & 1) ? (wc >> 4) : (wc & 0xFFF); + break; + + case FS_FAT16 : + if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))) != FR_OK) break; + val = ld_word(fs->win + clst * 2 % SS(fs)); + break; + + case FS_FAT32 : + if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; + val = ld_dword(fs->win + clst * 4 % SS(fs)) & 0x0FFFFFFF; + break; +#if _FS_EXFAT + case FS_EXFAT : + if (obj->objsize) { + DWORD cofs = clst - obj->sclust; /* Offset from start cluster */ + DWORD clen = (DWORD)((obj->objsize - 1) / SS(fs)) / fs->csize; /* Number of clusters - 1 */ + + if (obj->stat == 2) { /* Is there no valid chain on the FAT? */ + if (cofs <= clen) { + val = (cofs == clen) ? 0x7FFFFFFF : clst + 1; /* Generate the value */ + break; + } + } + if (obj->stat == 3 && cofs < obj->n_cont) { /* Is it in the contiguous part? */ + val = clst + 1; /* Generate the value */ + break; + } + if (obj->stat != 2) { /* Get value from FAT if FAT chain is valid */ + if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; + val = ld_dword(fs->win + clst * 4 % SS(fs)) & 0x7FFFFFFF; + break; + } + } + /* go next */ +#endif + default: + val = 1; /* Internal error */ + } + } + + return val; +} + + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* FAT access - Change value of a FAT entry */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT put_fat ( /* FR_OK(0):succeeded, !=0:error */ + FATFS* fs, /* Corresponding file system object */ + DWORD clst, /* FAT index number (cluster number) to be changed */ + DWORD val /* New value to be set to the entry */ +) +{ + UINT bc; + BYTE *p; + FRESULT res = FR_INT_ERR; + + + if (clst >= 2 && clst < fs->n_fatent) { /* Check if in valid range */ + switch (fs->fs_type) { + case FS_FAT12 : /* Bitfield items */ + bc = (UINT)clst; bc += bc / 2; + res = move_window(fs, fs->fatbase + (bc / SS(fs))); + if (res != FR_OK) break; + p = fs->win + bc++ % SS(fs); + *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; + fs->wflag = 1; + res = move_window(fs, fs->fatbase + (bc / SS(fs))); + if (res != FR_OK) break; + p = fs->win + bc % SS(fs); + *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F)); + fs->wflag = 1; + break; + + case FS_FAT16 : /* WORD aligned items */ + res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2))); + if (res != FR_OK) break; + st_word(fs->win + clst * 2 % SS(fs), (WORD)val); + fs->wflag = 1; + break; + + case FS_FAT32 : /* DWORD aligned items */ +#if _FS_EXFAT + case FS_EXFAT : +#endif + res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))); + if (res != FR_OK) break; + if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { + val = (val & 0x0FFFFFFF) | (ld_dword(fs->win + clst * 4 % SS(fs)) & 0xF0000000); + } + st_dword(fs->win + clst * 4 % SS(fs), val); + fs->wflag = 1; + break; + } + } + return res; +} + +#endif /* !_FS_READONLY */ + + + + +#if _FS_EXFAT && !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* exFAT: Accessing FAT and Allocation Bitmap */ +/*-----------------------------------------------------------------------*/ + +/*---------------------------------------------*/ +/* exFAT: Find a contiguous free cluster block */ +/*---------------------------------------------*/ + +static +DWORD find_bitmap ( /* 0:No free cluster, 2..:Free cluster found, 0xFFFFFFFF:Disk error */ + FATFS* fs, /* File system object */ + DWORD clst, /* Cluster number to scan from */ + DWORD ncl /* Number of contiguous clusters to find (1..) */ +) +{ + BYTE bm, bv; + UINT i; + DWORD val, scl, ctr; + + + clst -= 2; /* The first bit in the bitmap corresponds to cluster #2 */ + if (clst >= fs->n_fatent - 2) clst = 0; + scl = val = clst; ctr = 0; + for (;;) { + if (move_window(fs, fs->database + val / 8 / SS(fs)) != FR_OK) return 0xFFFFFFFF; /* (assuming bitmap is located top of the cluster heap) */ + i = val / 8 % SS(fs); bm = 1 << (val % 8); + do { + do { + bv = fs->win[i] & bm; bm <<= 1; /* Get bit value */ + if (++val >= fs->n_fatent - 2) { /* Next cluster (with wrap-around) */ + val = 0; bm = 0; i = 4096; + } + if (!bv) { /* Is it a free cluster? */ + if (++ctr == ncl) return scl + 2; /* Check run length */ + } else { + scl = val; ctr = 0; /* Encountered a live cluster, restart to scan */ + } + if (val == clst) return 0; /* All cluster scanned? */ + } while (bm); + bm = 1; + } while (++i < SS(fs)); + } +} + + +/*------------------------------------*/ +/* exFAT: Set/Clear a block of bitmap */ +/*------------------------------------*/ + +static +FRESULT change_bitmap ( + FATFS* fs, /* File system object */ + DWORD clst, /* Cluster number to change from */ + DWORD ncl, /* Number of clusters to be changed */ + int bv /* bit value to be set (0 or 1) */ +) +{ + BYTE bm; + UINT i; + DWORD sect; + + + clst -= 2; /* The first bit corresponds to cluster #2 */ + sect = fs->database + clst / 8 / SS(fs); /* Sector address (assuming bitmap is located top of the cluster heap) */ + i = clst / 8 % SS(fs); /* Byte offset in the sector */ + bm = 1 << (clst % 8); /* Bit mask in the byte */ + for (;;) { + if (move_window(fs, sect++) != FR_OK) return FR_DISK_ERR; + do { + do { + if (bv == (int)((fs->win[i] & bm) != 0)) return FR_INT_ERR; /* Is the bit expected value? */ + fs->win[i] ^= bm; /* Flip the bit */ + fs->wflag = 1; + if (--ncl == 0) return FR_OK; /* All bits processed? */ + } while (bm <<= 1); /* Next bit */ + bm = 1; + } while (++i < SS(fs)); /* Next byte */ + i = 0; + } +} + + +/*---------------------------------------------*/ +/* Complement contiguous part of the FAT chain */ +/*---------------------------------------------*/ + +static +FRESULT fill_fat_chain ( + _FDID* obj /* Pointer to the corresponding object */ +) +{ + FRESULT res; + DWORD cl, n; + + if (obj->stat == 3) { /* Has the object been changed 'fragmented'? */ + for (cl = obj->sclust, n = obj->n_cont; n; cl++, n--) { /* Create cluster chain on the FAT */ + res = put_fat(obj->fs, cl, cl + 1); + if (res != FR_OK) return res; + } + obj->stat = 0; /* Change status 'FAT chain is valid' */ + } + return FR_OK; +} + +#endif /* _FS_EXFAT && !_FS_READONLY */ + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* FAT handling - Remove a cluster chain */ +/*-----------------------------------------------------------------------*/ +static +FRESULT remove_chain ( /* FR_OK(0):succeeded, !=0:error */ + _FDID* obj, /* Corresponding object */ + DWORD clst, /* Cluster to remove a chain from */ + DWORD pclst /* Previous cluster of clst (0:an entire chain) */ +) +{ + FRESULT res = FR_OK; + DWORD nxt; + FATFS *fs = obj->fs; +#if _FS_EXFAT || _USE_TRIM + DWORD scl = clst, ecl = clst; +#endif +#if _USE_TRIM + DWORD rt[2]; +#endif + + if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Check if in valid range */ + + /* Mark the previous cluster 'EOC' on the FAT if it exists */ + if (pclst && (!_FS_EXFAT || fs->fs_type != FS_EXFAT || obj->stat != 2)) { + res = put_fat(fs, pclst, 0xFFFFFFFF); + if (res != FR_OK) return res; + } + + /* Remove the chain */ + do { + nxt = get_fat(obj, clst); /* Get cluster status */ + if (nxt == 0) break; /* Empty cluster? */ + if (nxt == 1) return FR_INT_ERR; /* Internal error? */ + if (nxt == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error? */ + if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { + res = put_fat(fs, clst, 0); /* Mark the cluster 'free' on the FAT */ + if (res != FR_OK) return res; + } + if (fs->free_clst < fs->n_fatent - 2) { /* Update FSINFO */ + fs->free_clst++; + fs->fsi_flag |= 1; + } +#if _FS_EXFAT || _USE_TRIM + if (ecl + 1 == nxt) { /* Is next cluster contiguous? */ + ecl = nxt; + } else { /* End of contiguous cluster block */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + res = change_bitmap(fs, scl, ecl - scl + 1, 0); /* Mark the cluster block 'free' on the bitmap */ + if (res != FR_OK) return res; + } +#endif +#if _USE_TRIM + rt[0] = clust2sect(fs, scl); /* Start sector */ + rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */ + disk_ioctl(fs->drv, CTRL_TRIM, rt); /* Inform device the block can be erased */ +#endif + scl = ecl = nxt; + } +#endif + clst = nxt; /* Next cluster */ + } while (clst < fs->n_fatent); /* Repeat while not the last link */ + +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + if (pclst == 0) { /* Does object have no chain? */ + obj->stat = 0; /* Change the object status 'initial' */ + } else { + if (obj->stat == 3 && pclst >= obj->sclust && pclst <= obj->sclust + obj->n_cont) { /* Did the chain got contiguous? */ + obj->stat = 2; /* Change the object status 'contiguous' */ + } + } + } +#endif + return FR_OK; +} + + + + +/*-----------------------------------------------------------------------*/ +/* FAT handling - Stretch a chain or Create a new chain */ +/*-----------------------------------------------------------------------*/ +static +DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */ + _FDID* obj, /* Corresponding object */ + DWORD clst /* Cluster# to stretch, 0:Create a new chain */ +) +{ + DWORD cs, ncl, scl; + FRESULT res; + FATFS *fs = obj->fs; + + + if (clst == 0) { /* Create a new chain */ + scl = fs->last_clst; /* Get suggested cluster to start from */ + if (scl == 0 || scl >= fs->n_fatent) scl = 1; + } + else { /* Stretch current chain */ + cs = get_fat(obj, clst); /* Check the cluster status */ + if (cs < 2) return 1; /* Invalid value */ + if (cs == 0xFFFFFFFF) return cs; /* A disk error occurred */ + if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */ + scl = clst; + } + +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + ncl = find_bitmap(fs, scl, 1); /* Find a free cluster */ + if (ncl == 0 || ncl == 0xFFFFFFFF) return ncl; /* No free cluster or hard error? */ + res = change_bitmap(fs, ncl, 1, 1); /* Mark the cluster 'in use' */ + if (res == FR_INT_ERR) return 1; + if (res == FR_DISK_ERR) return 0xFFFFFFFF; + if (clst == 0) { /* Is it a new chain? */ + obj->stat = 2; /* Set status 'contiguous chain' */ + } else { /* This is a stretched chain */ + if (obj->stat == 2 && ncl != scl + 1) { /* Is the chain got fragmented? */ + obj->n_cont = scl - obj->sclust; /* Set size of the contiguous part */ + obj->stat = 3; /* Change status 'just fragmented' */ + } + } + } else +#endif + { /* On the FAT12/16/32 volume */ + ncl = scl; /* Start cluster */ + for (;;) { + ncl++; /* Next cluster */ + if (ncl >= fs->n_fatent) { /* Check wrap-around */ + ncl = 2; + if (ncl > scl) return 0; /* No free cluster */ + } + cs = get_fat(obj, ncl); /* Get the cluster status */ + if (cs == 0) break; /* Found a free cluster */ + if (cs == 1 || cs == 0xFFFFFFFF) return cs; /* An error occurred */ + if (ncl == scl) return 0; /* No free cluster */ + } + } + + if (_FS_EXFAT && fs->fs_type == FS_EXFAT && obj->stat == 2) { /* Is it a contiguous chain? */ + res = FR_OK; /* FAT does not need to be written */ + } else { + res = put_fat(fs, ncl, 0xFFFFFFFF); /* Mark the new cluster 'EOC' */ + if (res == FR_OK && clst) { + res = put_fat(fs, clst, ncl); /* Link it from the previous one if needed */ + } + } + + if (res == FR_OK) { /* Update FSINFO if function succeeded. */ + fs->last_clst = ncl; + if (fs->free_clst < fs->n_fatent - 2) fs->free_clst--; + fs->fsi_flag |= 1; + } else { + ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1; /* Failed. Create error status */ + } + + return ncl; /* Return new cluster number or error status */ +} + +#endif /* !_FS_READONLY */ + + + + +#if _USE_FASTSEEK +/*-----------------------------------------------------------------------*/ +/* FAT handling - Convert offset into cluster with link map table */ +/*-----------------------------------------------------------------------*/ + +static +DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */ + FIL* fp, /* Pointer to the file object */ + FSIZE_t ofs /* File offset to be converted to cluster# */ +) +{ + DWORD cl, ncl, *tbl; + FATFS *fs = fp->obj.fs; + + + tbl = fp->cltbl + 1; /* Top of CLMT */ + cl = (DWORD)(ofs / SS(fs) / fs->csize); /* Cluster order from top of the file */ + for (;;) { + ncl = *tbl++; /* Number of cluters in the fragment */ + if (ncl == 0) return 0; /* End of table? (error) */ + if (cl < ncl) break; /* In this fragment? */ + cl -= ncl; tbl++; /* Next fragment */ + } + return cl + *tbl; /* Return the cluster number */ +} + +#endif /* _USE_FASTSEEK */ + + + + +/*-----------------------------------------------------------------------*/ +/* Directory handling - Set directory index */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_sdi ( /* FR_OK(0):succeeded, !=0:error */ + DIR* dp, /* Pointer to directory object */ + DWORD ofs /* Offset of directory table */ +) +{ + DWORD csz, clst; + FATFS *fs = dp->obj.fs; + + + if (ofs >= (DWORD)((_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR) || ofs % SZDIRE) { /* Check range of offset and alignment */ + return FR_INT_ERR; + } + dp->dptr = ofs; /* Set current offset */ + clst = dp->obj.sclust; /* Table start cluster (0:root) */ + if (clst == 0 && fs->fs_type >= FS_FAT32) { /* Replace cluster# 0 with root cluster# */ + clst = fs->dirbase; + if (_FS_EXFAT) dp->obj.stat = 0; /* exFAT: Root dir has an FAT chain */ + } + + if (clst == 0) { /* Static table (root-directory in FAT12/16) */ + if (ofs / SZDIRE >= fs->n_rootdir) return FR_INT_ERR; /* Is index out of range? */ + dp->sect = fs->dirbase; + + } else { /* Dynamic table (sub-directory or root-directory in FAT32+) */ + csz = (DWORD)fs->csize * SS(fs); /* Bytes per cluster */ + while (ofs >= csz) { /* Follow cluster chain */ + clst = get_fat(&dp->obj, clst); /* Get next cluster */ + if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ + if (clst < 2 || clst >= fs->n_fatent) return FR_INT_ERR; /* Reached to end of table or internal error */ + ofs -= csz; + } + dp->sect = clust2sect(fs, clst); + } + dp->clust = clst; /* Current cluster# */ + if (!dp->sect) return FR_INT_ERR; + dp->sect += ofs / SS(fs); /* Sector# of the directory entry */ + dp->dir = fs->win + (ofs % SS(fs)); /* Pointer to the entry in the win[] */ + + return FR_OK; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Directory handling - Move directory table index next */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_next ( /* FR_OK(0):succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */ + DIR* dp, /* Pointer to the directory object */ + int stretch /* 0: Do not stretch table, 1: Stretch table if needed */ +) +{ + DWORD ofs, clst; + FATFS *fs = dp->obj.fs; +#if !_FS_READONLY + UINT n; +#endif + + ofs = dp->dptr + SZDIRE; /* Next entry */ + if (!dp->sect || ofs >= (DWORD)((_FS_EXFAT && fs->fs_type == FS_EXFAT) ? MAX_DIR_EX : MAX_DIR)) return FR_NO_FILE; /* Report EOT when offset has reached max value */ + + if (ofs % SS(fs) == 0) { /* Sector changed? */ + dp->sect++; /* Next sector */ + + if (!dp->clust) { /* Static table */ + if (ofs / SZDIRE >= fs->n_rootdir) { /* Report EOT if it reached end of static table */ + dp->sect = 0; return FR_NO_FILE; + } + } + else { /* Dynamic table */ + if ((ofs / SS(fs) & (fs->csize - 1)) == 0) { /* Cluster changed? */ + clst = get_fat(&dp->obj, dp->clust); /* Get next cluster */ + if (clst <= 1) return FR_INT_ERR; /* Internal error */ + if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ + if (clst >= fs->n_fatent) { /* Reached end of dynamic table */ +#if !_FS_READONLY + if (!stretch) { /* If no stretch, report EOT */ + dp->sect = 0; return FR_NO_FILE; + } + clst = create_chain(&dp->obj, dp->clust); /* Allocate a cluster */ + if (clst == 0) return FR_DENIED; /* No free cluster */ + if (clst == 1) return FR_INT_ERR; /* Internal error */ + if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */ + /* Clean-up the stretched table */ + if (_FS_EXFAT) dp->obj.stat |= 4; /* The directory needs to be updated */ + if (sync_window(fs) != FR_OK) return FR_DISK_ERR; /* Flush disk access window */ + mem_set(fs->win, 0, SS(fs)); /* Clear window buffer */ + for (n = 0, fs->winsect = clust2sect(fs, clst); n < fs->csize; n++, fs->winsect++) { /* Fill the new cluster with 0 */ + fs->wflag = 1; + if (sync_window(fs) != FR_OK) return FR_DISK_ERR; + } + fs->winsect -= n; /* Restore window offset */ +#else + if (!stretch) dp->sect = 0; /* If no stretch, report EOT (this is to suppress warning) */ + dp->sect = 0; return FR_NO_FILE; /* Report EOT */ +#endif + } + dp->clust = clst; /* Initialize data for new cluster */ + dp->sect = clust2sect(fs, clst); + } + } + } + dp->dptr = ofs; /* Current entry */ + dp->dir = fs->win + ofs % SS(fs); /* Pointer to the entry in the win[] */ + + return FR_OK; +} + + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Directory handling - Reserve a block of directory entries */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_alloc ( /* FR_OK(0):succeeded, !=0:error */ + DIR* dp, /* Pointer to the directory object */ + UINT nent /* Number of contiguous entries to allocate */ +) +{ + FRESULT res; + UINT n; + FATFS *fs = dp->obj.fs; + + + res = dir_sdi(dp, 0); + if (res == FR_OK) { + n = 0; + do { + res = move_window(fs, dp->sect); + if (res != FR_OK) break; +#if _FS_EXFAT + if ((fs->fs_type == FS_EXFAT) ? (int)((dp->dir[XDIR_Type] & 0x80) == 0) : (int)(dp->dir[DIR_Name] == DDEM || dp->dir[DIR_Name] == 0)) { +#else + if (dp->dir[DIR_Name] == DDEM || dp->dir[DIR_Name] == 0) { +#endif + if (++n == nent) break; /* A block of contiguous free entries is found */ + } else { + n = 0; /* Not a blank entry. Restart to search */ + } + res = dir_next(dp, 1); + } while (res == FR_OK); /* Next entry with table stretch enabled */ + } + + if (res == FR_NO_FILE) res = FR_DENIED; /* No directory entry to allocate */ + return res; +} + +#endif /* !_FS_READONLY */ + + + + +/*-----------------------------------------------------------------------*/ +/* FAT: Directory handling - Load/Store start cluster number */ +/*-----------------------------------------------------------------------*/ + +static +DWORD ld_clust ( /* Returns the top cluster value of the SFN entry */ + FATFS* fs, /* Pointer to the fs object */ + const BYTE* dir /* Pointer to the key entry */ +) +{ + DWORD cl; + + cl = ld_word(dir + DIR_FstClusLO); + if (fs->fs_type == FS_FAT32) { + cl |= (DWORD)ld_word(dir + DIR_FstClusHI) << 16; + } + + return cl; +} + + +#if !_FS_READONLY +static +void st_clust ( + FATFS* fs, /* Pointer to the fs object */ + BYTE* dir, /* Pointer to the key entry */ + DWORD cl /* Value to be set */ +) +{ + st_word(dir + DIR_FstClusLO, (WORD)cl); + if (fs->fs_type == FS_FAT32) { + st_word(dir + DIR_FstClusHI, (WORD)(cl >> 16)); + } +} +#endif + + + +#if _USE_LFN != 0 +/*------------------------------------------------------------------------*/ +/* FAT-LFN: LFN handling */ +/*------------------------------------------------------------------------*/ +static +const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN characters in the directory entry */ + + +/*--------------------------------------------------------*/ +/* FAT-LFN: Compare a part of file name with an LFN entry */ +/*--------------------------------------------------------*/ +static +int cmp_lfn ( /* 1:matched, 0:not matched */ + const WCHAR* lfnbuf, /* Pointer to the LFN working buffer to be compared */ + BYTE* dir /* Pointer to the directory entry containing the part of LFN */ +) +{ + UINT i, s; + WCHAR wc, uc; + + + if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ + + i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ + + for (wc = 1, s = 0; s < 13; s++) { /* Process all characters in the entry */ + uc = ld_word(dir + LfnOfs[s]); /* Pick an LFN character */ + if (wc) { + if (i >= _MAX_LFN || ff_wtoupper(uc) != ff_wtoupper(lfnbuf[i++])) { /* Compare it */ + return 0; /* Not matched */ + } + wc = uc; + } else { + if (uc != 0xFFFF) return 0; /* Check filler */ + } + } + + if ((dir[LDIR_Ord] & LLEF) && wc && lfnbuf[i]) return 0; /* Last segment matched but different length */ + + return 1; /* The part of LFN matched */ +} + + +#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 || _USE_LABEL || _FS_EXFAT +/*-----------------------------------------------------*/ +/* FAT-LFN: Pick a part of file name from an LFN entry */ +/*-----------------------------------------------------*/ +static +int pick_lfn ( /* 1:succeeded, 0:buffer overflow or invalid LFN entry */ + WCHAR* lfnbuf, /* Pointer to the LFN working buffer */ + BYTE* dir /* Pointer to the LFN entry */ +) +{ + UINT i, s; + WCHAR wc, uc; + + + if (ld_word(dir + LDIR_FstClusLO) != 0) return 0; /* Check LDIR_FstClusLO */ + + i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */ + + for (wc = 1, s = 0; s < 13; s++) { /* Process all characters in the entry */ + uc = ld_word(dir + LfnOfs[s]); /* Pick an LFN character */ + if (wc) { + if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ + lfnbuf[i++] = wc = uc; /* Store it */ + } else { + if (uc != 0xFFFF) return 0; /* Check filler */ + } + } + + if (dir[LDIR_Ord] & LLEF) { /* Put terminator if it is the last LFN part */ + if (i >= _MAX_LFN) return 0; /* Buffer overflow? */ + lfnbuf[i] = 0; + } + + return 1; /* The part of LFN is valid */ +} +#endif + + +#if !_FS_READONLY +/*-----------------------------------------*/ +/* FAT-LFN: Create an entry of LFN entries */ +/*-----------------------------------------*/ +static +void put_lfn ( + const WCHAR* lfn, /* Pointer to the LFN */ + BYTE* dir, /* Pointer to the LFN entry to be created */ + BYTE ord, /* LFN order (1-20) */ + BYTE sum /* Checksum of the corresponding SFN */ +) +{ + UINT i, s; + WCHAR wc; + + + dir[LDIR_Chksum] = sum; /* Set checksum */ + dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */ + dir[LDIR_Type] = 0; + st_word(dir + LDIR_FstClusLO, 0); + + i = (ord - 1) * 13; /* Get offset in the LFN working buffer */ + s = wc = 0; + do { + if (wc != 0xFFFF) wc = lfn[i++]; /* Get an effective character */ + st_word(dir + LfnOfs[s], wc); /* Put it */ + if (wc == 0) wc = 0xFFFF; /* Padding characters for left locations */ + } while (++s < 13); + if (wc == 0xFFFF || !lfn[i]) ord |= LLEF; /* Last LFN part is the start of LFN sequence */ + dir[LDIR_Ord] = ord; /* Set the LFN order */ +} + +#endif /* !_FS_READONLY */ +#endif /* _USE_LFN != 0 */ + + + +#if _USE_LFN != 0 && !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* FAT-LFN: Create a Numbered SFN */ +/*-----------------------------------------------------------------------*/ + +static +void gen_numname ( + BYTE* dst, /* Pointer to the buffer to store numbered SFN */ + const BYTE* src, /* Pointer to SFN */ + const WCHAR* lfn, /* Pointer to LFN */ + UINT seq /* Sequence number */ +) +{ + BYTE ns[8], c; + UINT i, j; + WCHAR wc; + DWORD sr; + + + mem_cpy(dst, src, 11); + + if (seq > 5) { /* In case of many collisions, generate a hash number instead of sequential number */ + sr = seq; + while (*lfn) { /* Create a CRC */ + wc = *lfn++; + for (i = 0; i < 16; i++) { + sr = (sr << 1) + (wc & 1); + wc >>= 1; + if (sr & 0x10000) sr ^= 0x11021; + } + } + seq = (UINT)sr; + } + + /* itoa (hexdecimal) */ + i = 7; + do { + c = (BYTE)((seq % 16) + '0'); + if (c > '9') c += 7; + ns[i--] = c; + seq /= 16; + } while (seq); + ns[i] = '~'; + + /* Append the number */ + for (j = 0; j < i && dst[j] != ' '; j++) { + if (IsDBCS1(dst[j])) { + if (j == i - 1) break; + j++; + } + } + do { + dst[j++] = (i < 8) ? ns[i++] : ' '; + } while (j < 8); +} +#endif /* _USE_LFN != 0 && !_FS_READONLY */ + + + +#if _USE_LFN != 0 +/*-----------------------------------------------------------------------*/ +/* FAT-LFN: Calculate checksum of an SFN entry */ +/*-----------------------------------------------------------------------*/ + +static +BYTE sum_sfn ( + const BYTE* dir /* Pointer to the SFN entry */ +) +{ + BYTE sum = 0; + UINT n = 11; + + do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n); + return sum; +} + +#endif /* _USE_LFN != 0 */ + + + +#if _FS_EXFAT +/*-----------------------------------------------------------------------*/ +/* exFAT: Checksum */ +/*-----------------------------------------------------------------------*/ + +static +WORD xdir_sum ( /* Get checksum of the directoly block */ + const BYTE* dir /* Directory entry block to be calculated */ +) +{ + UINT i, szblk; + WORD sum; + + + szblk = (dir[XDIR_NumSec] + 1) * SZDIRE; + for (i = sum = 0; i < szblk; i++) { + if (i == XDIR_SetSum) { /* Skip sum field */ + i++; + } else { + sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + dir[i]; + } + } + return sum; +} + + + +static +WORD xname_sum ( /* Get check sum (to be used as hash) of the name */ + const WCHAR* name /* File name to be calculated */ +) +{ + WCHAR chr; + WORD sum = 0; + + + while ((chr = *name++) != 0) { + chr = ff_wtoupper(chr); /* File name needs to be ignored case */ + sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + (chr & 0xFF); + sum = ((sum & 1) ? 0x8000 : 0) + (sum >> 1) + (chr >> 8); + } + return sum; +} + + +#if !_FS_READONLY && _USE_MKFS +static +DWORD xsum32 ( + BYTE dat, /* Data to be sumed */ + DWORD sum /* Previous value */ +) +{ + sum = ((sum & 1) ? 0x80000000 : 0) + (sum >> 1) + dat; + return sum; +} +#endif + + +#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 +/*------------------------------------------------------*/ +/* exFAT: Get object information from a directory block */ +/*------------------------------------------------------*/ + +static +void get_xdir_info ( + BYTE* dirb, /* Pointer to the direcotry entry block 85+C0+C1s */ + FILINFO* fno /* Buffer to store the extracted file information */ +) +{ + UINT di, si; + WCHAR w; +#if !_LFN_UNICODE + UINT nc; +#endif + + /* Get file name */ +#if _LFN_UNICODE + if (dirb[XDIR_NumName] <= _MAX_LFN) { + for (si = SZDIRE * 2, di = 0; di < dirb[XDIR_NumName]; si += 2, di++) { + if ((si % SZDIRE) == 0) si += 2; /* Skip entry type field */ + w = ld_word(dirb + si); /* Get a character */ + fno->fname[di] = w; /* Store it */ + } + } else { + di = 0; /* Buffer overflow and inaccessible object */ + } +#else + for (si = SZDIRE * 2, di = nc = 0; nc < dirb[XDIR_NumName]; si += 2, nc++) { + if ((si % SZDIRE) == 0) si += 2; /* Skip entry type field */ + w = ld_word(dirb + si); /* Get a character */ + w = ff_convert(w, 0); /* Unicode -> OEM */ + if (w == 0) { di = 0; break; } /* Could not be converted and inaccessible object */ + if (_DF1S && w >= 0x100) { /* Put 1st byte if it is a DBC (always false at SBCS cfg) */ + fno->fname[di++] = (char)(w >> 8); + } + if (di >= _MAX_LFN) { di = 0; break; } /* Buffer overflow and inaccessible object */ + fno->fname[di++] = (char)w; + } +#endif + if (di == 0) fno->fname[di++] = '?'; /* Inaccessible object? */ + fno->fname[di] = 0; /* Terminate file name */ + + fno->altname[0] = 0; /* No SFN */ + fno->fattrib = dirb[XDIR_Attr]; /* Attribute */ + fno->fsize = (fno->fattrib & AM_DIR) ? 0 : ld_qword(dirb + XDIR_FileSize); /* Size */ + fno->ftime = ld_word(dirb + XDIR_ModTime + 0); /* Time */ + fno->fdate = ld_word(dirb + XDIR_ModTime + 2); /* Date */ +} + +#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 */ + + +/*-----------------------------------*/ +/* exFAT: Get a directry entry block */ +/*-----------------------------------*/ + +static +FRESULT load_xdir ( /* FR_INT_ERR: invalid entry block */ + DIR* dp /* Pointer to the reading direcotry object pointing the 85 entry */ +) +{ + FRESULT res; + UINT i, nent; + BYTE* dirb = dp->obj.fs->dirbuf; /* Pointer to the on-memory direcotry entry block 85+C0+C1s */ + + + /* Load 85 entry */ + res = move_window(dp->obj.fs, dp->sect); + if (res != FR_OK) return res; + if (dp->dir[XDIR_Type] != 0x85) return FR_INT_ERR; + mem_cpy(dirb, dp->dir, SZDIRE); + nent = dirb[XDIR_NumSec] + 1; + + /* Load C0 entry */ + res = dir_next(dp, 0); + if (res != FR_OK) return res; + res = move_window(dp->obj.fs, dp->sect); + if (res != FR_OK) return res; + if (dp->dir[XDIR_Type] != 0xC0) return FR_INT_ERR; + mem_cpy(dirb + SZDIRE, dp->dir, SZDIRE); + + /* Load C1 entries */ + if (nent < 3 || nent > 19) return FR_NO_FILE; + i = SZDIRE * 2; nent *= SZDIRE; + do { + res = dir_next(dp, 0); + if (res != FR_OK) return res; + res = move_window(dp->obj.fs, dp->sect); + if (res != FR_OK) return res; + if (dp->dir[XDIR_Type] != 0xC1) return FR_INT_ERR; + mem_cpy(dirb + i, dp->dir, SZDIRE); + i += SZDIRE; + } while (i < nent); + + /* Sanity check */ + if (xdir_sum(dirb) != ld_word(dirb + XDIR_SetSum)) return FR_INT_ERR; + + return FR_OK; +} + + +#if !_FS_READONLY || _FS_RPATH != 0 +/*------------------------------------------------*/ +/* exFAT: Load the object's directory entry block */ +/*------------------------------------------------*/ +static +FRESULT load_obj_dir ( + DIR* dp, /* Blank directory object to be used to access containing direcotry */ + const _FDID* obj /* Object with containing directory information */ +) +{ + FRESULT res; + + + /* Open object containing directory */ + dp->obj.fs = obj->fs; + dp->obj.sclust = obj->c_scl; + dp->obj.stat = (BYTE)obj->c_size; + dp->obj.objsize = obj->c_size & 0xFFFFFF00; + dp->blk_ofs = obj->c_ofs; + + res = dir_sdi(dp, dp->blk_ofs); /* Goto the block location */ + if (res == FR_OK) { + res = load_xdir(dp); /* Load the object's entry block */ + } + return res; +} +#endif + + +#if !_FS_READONLY +/*-----------------------------------------------*/ +/* exFAT: Store the directory block to the media */ +/*-----------------------------------------------*/ +static +FRESULT store_xdir ( + DIR* dp /* Pointer to the direcotry object */ +) +{ + FRESULT res; + UINT nent; + BYTE* dirb = dp->obj.fs->dirbuf; /* Pointer to the direcotry entry block 85+C0+C1s */ + + /* Create set sum */ + st_word(dirb + XDIR_SetSum, xdir_sum(dirb)); + nent = dirb[XDIR_NumSec] + 1; + + /* Store the set of directory to the volume */ + res = dir_sdi(dp, dp->blk_ofs); + while (res == FR_OK) { + res = move_window(dp->obj.fs, dp->sect); + if (res != FR_OK) break; + mem_cpy(dp->dir, dirb, SZDIRE); + dp->obj.fs->wflag = 1; + if (--nent == 0) break; + dirb += SZDIRE; + res = dir_next(dp, 0); + } + return (res == FR_OK || res == FR_DISK_ERR) ? res : FR_INT_ERR; +} + + + +/*-------------------------------------------*/ +/* exFAT: Create a new directory enrty block */ +/*-------------------------------------------*/ + +static +void create_xdir ( + BYTE* dirb, /* Pointer to the direcotry entry block buffer */ + const WCHAR* lfn /* Pointer to the nul terminated file name */ +) +{ + UINT i; + BYTE nb, nc; + WCHAR chr; + + + mem_set(dirb, 0, 2 * SZDIRE); /* Initialize 85+C0 entry */ + dirb[XDIR_Type] = 0x85; + dirb[XDIR_Type + SZDIRE] = 0xC0; + st_word(dirb + XDIR_NameHash, xname_sum(lfn)); /* Set name hash */ + + i = SZDIRE * 2; /* C1 offset */ + nc = 0; nb = 1; chr = 1; + do { + dirb[i++] = 0xC1; dirb[i++] = 0; /* Entry type C1 */ + do { /* Fill name field */ + if (chr && (chr = lfn[nc]) != 0) nc++; /* Get a character if exist */ + st_word(dirb + i, chr); i += 2; /* Store it */ + } while (i % SZDIRE); + nb++; + } while (lfn[nc]); /* Fill next entry if any char follows */ + + dirb[XDIR_NumName] = nc; /* Set name length */ + dirb[XDIR_NumSec] = nb; /* Set number of C0+C1s */ +} + +#endif /* !_FS_READONLY */ +#endif /* _FS_EXFAT */ + + + +#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 || _USE_LABEL || _FS_EXFAT +/*-----------------------------------------------------------------------*/ +/* Read an object from the directory */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_read ( + DIR* dp, /* Pointer to the directory object */ + int vol /* Filtered by 0:file/directory or 1:volume label */ +) +{ + FRESULT res = FR_NO_FILE; + FATFS *fs = dp->obj.fs; + BYTE a, c; +#if _USE_LFN != 0 + BYTE ord = 0xFF, sum = 0xFF; +#endif + + while (dp->sect) { + res = move_window(fs, dp->sect); + if (res != FR_OK) break; + c = dp->dir[DIR_Name]; /* Test for the entry type */ + if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of the directory */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + if (_USE_LABEL && vol) { + if (c == 0x83) break; /* Volume label entry? */ + } else { + if (c == 0x85) { /* Start of the file entry block? */ + dp->blk_ofs = dp->dptr; /* Get location of the block */ + res = load_xdir(dp); /* Load the entry block */ + if (res == FR_OK) { + dp->obj.attr = fs->dirbuf[XDIR_Attr] & AM_MASK; /* Get attribute */ + } + break; + } + } + } else +#endif + { /* On the FAT12/16/32 volume */ + dp->obj.attr = a = dp->dir[DIR_Attr] & AM_MASK; /* Get attribute */ +#if _USE_LFN != 0 /* LFN configuration */ + if (c == DDEM || c == '.' || (int)((a & ~AM_ARC) == AM_VOL) != vol) { /* An entry without valid data */ + ord = 0xFF; + } else { + if (a == AM_LFN) { /* An LFN entry is found */ + if (c & LLEF) { /* Is it start of an LFN sequence? */ + sum = dp->dir[LDIR_Chksum]; + c &= (BYTE)~LLEF; ord = c; + dp->blk_ofs = dp->dptr; + } + /* Check LFN validity and capture it */ + ord = (c == ord && sum == dp->dir[LDIR_Chksum] && pick_lfn(fs->lfnbuf, dp->dir)) ? ord - 1 : 0xFF; + } else { /* An SFN entry is found */ + if (ord || sum != sum_sfn(dp->dir)) { /* Is there a valid LFN? */ + dp->blk_ofs = 0xFFFFFFFF; /* It has no LFN. */ + } + break; + } + } +#else /* Non LFN configuration */ + if (c != DDEM && c != '.' && a != AM_LFN && (int)((a & ~AM_ARC) == AM_VOL) == vol) { /* Is it a valid entry? */ + break; + } +#endif + } + res = dir_next(dp, 0); /* Next entry */ + if (res != FR_OK) break; + } + + if (res != FR_OK) dp->sect = 0; /* Terminate the read operation on error or EOT */ + return res; +} + +#endif /* _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2 */ + + + +/*-----------------------------------------------------------------------*/ +/* Directory handling - Find an object in the directory */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_find ( /* FR_OK(0):succeeded, !=0:error */ + DIR* dp /* Pointer to the directory object with the file name */ +) +{ + FRESULT res; + FATFS *fs = dp->obj.fs; + BYTE c; +#if _USE_LFN != 0 + BYTE a, ord, sum; +#endif + + res = dir_sdi(dp, 0); /* Rewind directory object */ + if (res != FR_OK) return res; +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + BYTE nc; + UINT di, ni; + WORD hash = xname_sum(fs->lfnbuf); /* Hash value of the name to find */ + + while ((res = dir_read(dp, 0)) == FR_OK) { /* Read an item */ + if (ld_word(fs->dirbuf + XDIR_NameHash) != hash) continue; /* Skip the comparison if hash value mismatched */ + for (nc = fs->dirbuf[XDIR_NumName], di = SZDIRE * 2, ni = 0; nc; nc--, di += 2, ni++) { /* Compare the name */ + if ((di % SZDIRE) == 0) di += 2; + if (ff_wtoupper(ld_word(fs->dirbuf + di)) != ff_wtoupper(fs->lfnbuf[ni])) break; + } + if (nc == 0 && !fs->lfnbuf[ni]) break; /* Name matched? */ + } + return res; + } +#endif + /* On the FAT12/16/32 volume */ +#if _USE_LFN != 0 + ord = sum = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ +#endif + do { + res = move_window(fs, dp->sect); + if (res != FR_OK) break; + c = dp->dir[DIR_Name]; + if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ +#if _USE_LFN != 0 /* LFN configuration */ + dp->obj.attr = a = dp->dir[DIR_Attr] & AM_MASK; + if (c == DDEM || ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */ + ord = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ + } else { + if (a == AM_LFN) { /* An LFN entry is found */ + if (!(dp->fn[NSFLAG] & NS_NOLFN)) { + if (c & LLEF) { /* Is it start of LFN sequence? */ + sum = dp->dir[LDIR_Chksum]; + c &= (BYTE)~LLEF; ord = c; /* LFN start order */ + dp->blk_ofs = dp->dptr; /* Start offset of LFN */ + } + /* Check validity of the LFN entry and compare it with given name */ + ord = (c == ord && sum == dp->dir[LDIR_Chksum] && cmp_lfn(fs->lfnbuf, dp->dir)) ? ord - 1 : 0xFF; + } + } else { /* An SFN entry is found */ + if (!ord && sum == sum_sfn(dp->dir)) break; /* LFN matched? */ + if (!(dp->fn[NSFLAG] & NS_LOSS) && !mem_cmp(dp->dir, dp->fn, 11)) break; /* SFN matched? */ + ord = 0xFF; dp->blk_ofs = 0xFFFFFFFF; /* Reset LFN sequence */ + } + } +#else /* Non LFN configuration */ + dp->obj.attr = dp->dir[DIR_Attr] & AM_MASK; + if (!(dp->dir[DIR_Attr] & AM_VOL) && !mem_cmp(dp->dir, dp->fn, 11)) break; /* Is it a valid entry? */ +#endif + res = dir_next(dp, 0); /* Next entry */ + } while (res == FR_OK); + + return res; +} + + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Register an object to the directory */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_register ( /* FR_OK:succeeded, FR_DENIED:no free entry or too many SFN collision, FR_DISK_ERR:disk error */ + DIR* dp /* Target directory with object name to be created */ +) +{ + FRESULT res; + FATFS *fs = dp->obj.fs; +#if _USE_LFN != 0 /* LFN configuration */ + UINT n, nlen, nent; + BYTE sn[12], sum; + + + if (dp->fn[NSFLAG] & (NS_DOT | NS_NONAME)) return FR_INVALID_NAME; /* Check name validity */ + for (nlen = 0; fs->lfnbuf[nlen]; nlen++) ; /* Get lfn length */ + +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + DIR dj; + + nent = (nlen + 14) / 15 + 2; /* Number of entries to allocate (85+C0+C1s) */ + res = dir_alloc(dp, nent); /* Allocate entries */ + if (res != FR_OK) return res; + dp->blk_ofs = dp->dptr - SZDIRE * (nent - 1); /* Set block position */ + + if (dp->obj.sclust != 0 && (dp->obj.stat & 4)) { /* Has the sub-directory been stretched? */ + dp->obj.stat &= 3; + dp->obj.objsize += (DWORD)fs->csize * SS(fs); /* Increase object size by cluster size */ + res = fill_fat_chain(&dp->obj); /* Complement FAT chain if needed */ + if (res != FR_OK) return res; + res = load_obj_dir(&dj, &dp->obj); + if (res != FR_OK) return res; /* Load the object status */ + st_qword(fs->dirbuf + XDIR_FileSize, dp->obj.objsize); /* Update the allocation status */ + st_qword(fs->dirbuf + XDIR_ValidFileSize, dp->obj.objsize); + fs->dirbuf[XDIR_GenFlags] = dp->obj.stat | 1; + res = store_xdir(&dj); /* Store the object status */ + if (res != FR_OK) return res; + } + + create_xdir(fs->dirbuf, fs->lfnbuf); /* Create on-memory directory block to be written later */ + return FR_OK; + } +#endif + /* On the FAT12/16/32 volume */ + mem_cpy(sn, dp->fn, 12); + if (sn[NSFLAG] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */ + dp->fn[NSFLAG] = NS_NOLFN; /* Find only SFN */ + for (n = 1; n < 100; n++) { + gen_numname(dp->fn, sn, fs->lfnbuf, n); /* Generate a numbered name */ + res = dir_find(dp); /* Check if the name collides with existing SFN */ + if (res != FR_OK) break; + } + if (n == 100) return FR_DENIED; /* Abort if too many collisions */ + if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */ + dp->fn[NSFLAG] = sn[NSFLAG]; + } + + /* Create an SFN with/without LFNs. */ + nent = (sn[NSFLAG] & NS_LFN) ? (nlen + 12) / 13 + 1 : 1; /* Number of entries to allocate */ + res = dir_alloc(dp, nent); /* Allocate entries */ + if (res == FR_OK && --nent) { /* Set LFN entry if needed */ + res = dir_sdi(dp, dp->dptr - nent * SZDIRE); + if (res == FR_OK) { + sum = sum_sfn(dp->fn); /* Checksum value of the SFN tied to the LFN */ + do { /* Store LFN entries in bottom first */ + res = move_window(fs, dp->sect); + if (res != FR_OK) break; + put_lfn(fs->lfnbuf, dp->dir, (BYTE)nent, sum); + fs->wflag = 1; + res = dir_next(dp, 0); /* Next entry */ + } while (res == FR_OK && --nent); + } + } + +#else /* Non LFN configuration */ + res = dir_alloc(dp, 1); /* Allocate an entry for SFN */ + +#endif + + /* Set SFN entry */ + if (res == FR_OK) { + res = move_window(fs, dp->sect); + if (res == FR_OK) { + mem_set(dp->dir, 0, SZDIRE); /* Clean the entry */ + mem_cpy(dp->dir + DIR_Name, dp->fn, 11); /* Put SFN */ +#if _USE_LFN != 0 + dp->dir[DIR_NTres] = dp->fn[NSFLAG] & (NS_BODY | NS_EXT); /* Put NT flag */ +#endif + fs->wflag = 1; + } + } + + return res; +} + +#endif /* !_FS_READONLY */ + + + +#if !_FS_READONLY && _FS_MINIMIZE == 0 +/*-----------------------------------------------------------------------*/ +/* Remove an object from the directory */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT dir_remove ( /* FR_OK:Succeeded, FR_DISK_ERR:A disk error */ + DIR* dp /* Directory object pointing the entry to be removed */ +) +{ + FRESULT res; + FATFS *fs = dp->obj.fs; +#if _USE_LFN != 0 /* LFN configuration */ + DWORD last = dp->dptr; + + res = (dp->blk_ofs == 0xFFFFFFFF) ? FR_OK : dir_sdi(dp, dp->blk_ofs); /* Goto top of the entry block if LFN is exist */ + if (res == FR_OK) { + do { + res = move_window(fs, dp->sect); + if (res != FR_OK) break; + /* Mark an entry 'deleted' */ + if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + dp->dir[XDIR_Type] &= 0x7F; + } else { /* On the FAT12/16/32 volume */ + dp->dir[DIR_Name] = DDEM; + } + fs->wflag = 1; + if (dp->dptr >= last) break; /* If reached last entry then all entries of the object has been deleted. */ + res = dir_next(dp, 0); /* Next entry */ + } while (res == FR_OK); + if (res == FR_NO_FILE) res = FR_INT_ERR; + } +#else /* Non LFN configuration */ + + res = move_window(fs, dp->sect); + if (res == FR_OK) { + dp->dir[DIR_Name] = DDEM; + fs->wflag = 1; + } +#endif + + return res; +} + +#endif /* !_FS_READONLY && _FS_MINIMIZE == 0 */ + + + +#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 +/*-----------------------------------------------------------------------*/ +/* Get file information from directory entry */ +/*-----------------------------------------------------------------------*/ + +static +void get_fileinfo ( /* No return code */ + DIR* dp, /* Pointer to the directory object */ + FILINFO* fno /* Pointer to the file information to be filled */ +) +{ + UINT i, j; + TCHAR c; + DWORD tm; +#if _USE_LFN != 0 + WCHAR w, lfv; + FATFS *fs = dp->obj.fs; +#endif + + + fno->fname[0] = 0; /* Invaidate file info */ + if (!dp->sect) return; /* Exit if read pointer has reached end of directory */ + +#if _USE_LFN != 0 /* LFN configuration */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + get_xdir_info(fs->dirbuf, fno); + return; + } else +#endif + { /* On the FAT12/16/32 volume */ + if (dp->blk_ofs != 0xFFFFFFFF) { /* Get LFN if available */ + i = j = 0; + while ((w = fs->lfnbuf[j++]) != 0) { /* Get an LFN character */ +#if !_LFN_UNICODE + w = ff_convert(w, 0); /* Unicode -> OEM */ + if (w == 0) { i = 0; break; } /* No LFN if it could not be converted */ + if (_DF1S && w >= 0x100) { /* Put 1st byte if it is a DBC (always false at SBCS cfg) */ + fno->fname[i++] = (char)(w >> 8); + } +#endif + if (i >= _MAX_LFN) { i = 0; break; } /* No LFN if buffer overflow */ + fno->fname[i++] = (TCHAR)w; + } + fno->fname[i] = 0; /* Terminate the LFN */ + } + } + + i = j = 0; + lfv = fno->fname[i]; /* LFN is exist if non-zero */ + while (i < 11) { /* Copy name body and extension */ + c = (TCHAR)dp->dir[i++]; + if (c == ' ') continue; /* Skip padding spaces */ + if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */ + if (i == 9) { /* Insert a . if extension is exist */ + if (!lfv) fno->fname[j] = '.'; + fno->altname[j++] = '.'; + } +#if _LFN_UNICODE + if (IsDBCS1(c) && i != 8 && i != 11 && IsDBCS2(dp->dir[i])) { + c = c << 8 | dp->dir[i++]; + } + c = ff_convert(c, 1); /* OEM -> Unicode */ + if (!c) c = '?'; +#endif + fno->altname[j] = c; + if (!lfv) { + if (IsUpper(c) && (dp->dir[DIR_NTres] & (i >= 9 ? NS_EXT : NS_BODY))) { + c += 0x20; /* To lower */ + } + fno->fname[j] = c; + } + j++; + } + if (!lfv) { + fno->fname[j] = 0; + if (!dp->dir[DIR_NTres]) j = 0; /* Altname is no longer needed if neither LFN nor case info is exist. */ + } + fno->altname[j] = 0; /* Terminate the SFN */ + +#else /* Non-LFN configuration */ + i = j = 0; + while (i < 11) { /* Copy name body and extension */ + c = (TCHAR)dp->dir[i++]; + if (c == ' ') continue; /* Skip padding spaces */ + if (c == RDDEM) c = (TCHAR)DDEM; /* Restore replaced DDEM character */ + if (i == 9) fno->fname[j++] = '.'; /* Insert a . if extension is exist */ + fno->fname[j++] = c; + } + fno->fname[j] = 0; +#endif + + fno->fattrib = dp->dir[DIR_Attr]; /* Attribute */ + fno->fsize = ld_dword(dp->dir + DIR_FileSize); /* Size */ + tm = ld_dword(dp->dir + DIR_ModTime); /* Timestamp */ + fno->ftime = (WORD)tm; fno->fdate = (WORD)(tm >> 16); +} + +#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2 */ + + + +#if _USE_FIND && _FS_MINIMIZE <= 1 +/*-----------------------------------------------------------------------*/ +/* Pattern matching */ +/*-----------------------------------------------------------------------*/ + +static +WCHAR get_achar ( /* Get a character and advances ptr 1 or 2 */ + const TCHAR** ptr /* Pointer to pointer to the SBCS/DBCS/Unicode string */ +) +{ +#if !_LFN_UNICODE + WCHAR chr; + + chr = (BYTE)*(*ptr)++; /* Get a byte */ + if (IsLower(chr)) chr -= 0x20; /* To upper ASCII char */ +#ifdef _EXCVT + if (chr >= 0x80) chr = ExCvt[chr - 0x80]; /* To upper SBCS extended char */ +#else + if (IsDBCS1(chr) && IsDBCS2(**ptr)) { /* Get DBC 2nd byte if needed */ + chr = chr << 8 | (BYTE)*(*ptr)++; + } +#endif + return chr; +#else + return ff_wtoupper(*(*ptr)++); /* Get a word and to upper */ +#endif +} + + +static +int pattern_matching ( /* 0:not matched, 1:matched */ + const TCHAR* pat, /* Matching pattern */ + const TCHAR* nam, /* String to be tested */ + int skip, /* Number of pre-skip chars (number of ?s) */ + int inf /* Infinite search (* specified) */ +) +{ + const TCHAR *pp, *np; + WCHAR pc, nc; + int nm, nx; + + + while (skip--) { /* Pre-skip name chars */ + if (!get_achar(&nam)) return 0; /* Branch mismatched if less name chars */ + } + if (!*pat && inf) return 1; /* (short circuit) */ + + do { + pp = pat; np = nam; /* Top of pattern and name to match */ + for (;;) { + if (*pp == '?' || *pp == '*') { /* Wildcard? */ + nm = nx = 0; + do { /* Analyze the wildcard chars */ + if (*pp++ == '?') nm++; else nx = 1; + } while (*pp == '?' || *pp == '*'); + if (pattern_matching(pp, np, nm, nx)) return 1; /* Test new branch (recurs upto number of wildcard blocks in the pattern) */ + nc = *np; break; /* Branch mismatched */ + } + pc = get_achar(&pp); /* Get a pattern char */ + nc = get_achar(&np); /* Get a name char */ + if (pc != nc) break; /* Branch mismatched? */ + if (pc == 0) return 1; /* Branch matched? (matched at end of both strings) */ + } + get_achar(&nam); /* nam++ */ + } while (inf && nc); /* Retry until end of name if infinite search is specified */ + + return 0; +} + +#endif /* _USE_FIND && _FS_MINIMIZE <= 1 */ + + + +/*-----------------------------------------------------------------------*/ +/* Pick a top segment and create the object name in directory form */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT create_name ( /* FR_OK: successful, FR_INVALID_NAME: could not create */ + DIR* dp, /* Pointer to the directory object */ + const TCHAR** path /* Pointer to pointer to the segment in the path string */ +) +{ +#if _USE_LFN != 0 /* LFN configuration */ + BYTE b, cf; + WCHAR w, *lfn; + UINT i, ni, si, di; + const TCHAR *p; + + /* Create LFN in Unicode */ + p = *path; lfn = dp->obj.fs->lfnbuf; si = di = 0; + for (;;) { + w = p[si++]; /* Get a character */ + if (w < ' ') break; /* Break if end of the path name */ + if (w == '/' || w == '\\') { /* Break if a separator is found */ + while (p[si] == '/' || p[si] == '\\') si++; /* Skip duplicated separator if exist */ + break; + } + if (di >= _MAX_LFN) return FR_INVALID_NAME; /* Reject too long name */ +#if !_LFN_UNICODE + w &= 0xFF; + if (IsDBCS1(w)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */ + b = (BYTE)p[si++]; /* Get 2nd byte */ + w = (w << 8) + b; /* Create a DBC */ + if (!IsDBCS2(b)) return FR_INVALID_NAME; /* Reject invalid sequence */ + } + w = ff_convert(w, 1); /* Convert ANSI/OEM to Unicode */ + if (!w) return FR_INVALID_NAME; /* Reject invalid code */ +#endif + if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) return FR_INVALID_NAME; /* Reject illegal characters for LFN */ + lfn[di++] = w; /* Store the Unicode character */ + } + *path = &p[si]; /* Return pointer to the next segment */ + cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of the path */ +#if _FS_RPATH != 0 + if ((di == 1 && lfn[di - 1] == '.') || + (di == 2 && lfn[di - 1] == '.' && lfn[di - 2] == '.')) { /* Is this segment a dot name? */ + lfn[di] = 0; + for (i = 0; i < 11; i++) /* Create dot name for SFN entry */ + dp->fn[i] = (i < di) ? '.' : ' '; + dp->fn[i] = cf | NS_DOT; /* This is a dot entry */ + return FR_OK; + } +#endif + while (di) { /* Snip off trailing spaces and dots if exist */ + w = lfn[di - 1]; + if (w != ' ' && w != '.') break; + di--; + } + lfn[di] = 0; /* LFN is created */ + if (di == 0) return FR_INVALID_NAME; /* Reject nul name */ + + /* Create SFN in directory form */ + mem_set(dp->fn, ' ', 11); + for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */ + if (si) cf |= NS_LOSS | NS_LFN; + while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */ + + i = b = 0; ni = 8; + for (;;) { + w = lfn[si++]; /* Get an LFN character */ + if (!w) break; /* Break on end of the LFN */ + if (w == ' ' || (w == '.' && si != di)) { /* Remove spaces and dots */ + cf |= NS_LOSS | NS_LFN; continue; + } + + if (i >= ni || si == di) { /* Extension or end of SFN */ + if (ni == 11) { /* Long extension */ + cf |= NS_LOSS | NS_LFN; break; + } + if (si != di) cf |= NS_LOSS | NS_LFN; /* Out of 8.3 format */ + if (si > di) break; /* No extension */ + si = di; i = 8; ni = 11; /* Enter extension section */ + b <<= 2; continue; + } + + if (w >= 0x80) { /* Non ASCII character */ +#ifdef _EXCVT + w = ff_convert(w, 0); /* Unicode -> OEM code */ + if (w) w = ExCvt[w - 0x80]; /* Convert extended character to upper (SBCS) */ +#else + w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */ +#endif + cf |= NS_LFN; /* Force create LFN entry */ + } + + if (_DF1S && w >= 0x100) { /* Is this DBC? (always false at SBCS cfg) */ + if (i >= ni - 1) { + cf |= NS_LOSS | NS_LFN; i = ni; continue; + } + dp->fn[i++] = (BYTE)(w >> 8); + } else { /* SBC */ + if (!w || chk_chr("+,;=[]", w)) { /* Replace illegal characters for SFN */ + w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */ + } else { + if (IsUpper(w)) { /* ASCII large capital */ + b |= 2; + } else { + if (IsLower(w)) { /* ASCII small capital */ + b |= 1; w -= 0x20; + } + } + } + } + dp->fn[i++] = (BYTE)w; + } + + if (dp->fn[0] == DDEM) dp->fn[0] = RDDEM; /* If the first character collides with DDEM, replace it with RDDEM */ + + if (ni == 8) b <<= 2; + if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03) cf |= NS_LFN; /* Create LFN entry when there are composite capitals */ + if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended character, NT flags are created */ + if ((b & 0x03) == 0x01) cf |= NS_EXT; /* NT flag (Extension has only small capital) */ + if ((b & 0x0C) == 0x04) cf |= NS_BODY; /* NT flag (Filename has only small capital) */ + } + + dp->fn[NSFLAG] = cf; /* SFN is created */ + + return FR_OK; + + +#else /* _USE_LFN != 0 : Non-LFN configuration */ + BYTE c, d, *sfn; + UINT ni, si, i; + const char *p; + + /* Create file name in directory form */ + p = *path; sfn = dp->fn; + mem_set(sfn, ' ', 11); + si = i = 0; ni = 8; +#if _FS_RPATH != 0 + if (p[si] == '.') { /* Is this a dot entry? */ + for (;;) { + c = (BYTE)p[si++]; + if (c != '.' || si >= 3) break; + sfn[i++] = c; + } + if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME; + *path = p + si; /* Return pointer to the next segment */ + sfn[NSFLAG] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of the path */ + return FR_OK; + } +#endif + for (;;) { + c = (BYTE)p[si++]; + if (c <= ' ') break; /* Break if end of the path name */ + if (c == '/' || c == '\\') { /* Break if a separator is found */ + while (p[si] == '/' || p[si] == '\\') si++; /* Skip duplicated separator if exist */ + break; + } + if (c == '.' || i >= ni) { /* End of body or over size? */ + if (ni == 11 || c != '.') return FR_INVALID_NAME; /* Over size or invalid dot */ + i = 8; ni = 11; /* Goto extension */ + continue; + } + if (c >= 0x80) { /* Extended character? */ +#ifdef _EXCVT + c = ExCvt[c - 0x80]; /* To upper extended characters (SBCS cfg) */ +#else +#if !_DF1S + return FR_INVALID_NAME; /* Reject extended characters (ASCII only cfg) */ +#endif +#endif + } + if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false at SBCS cfg.) */ + d = (BYTE)p[si++]; /* Get 2nd byte */ + if (!IsDBCS2(d) || i >= ni - 1) return FR_INVALID_NAME; /* Reject invalid DBC */ + sfn[i++] = c; + sfn[i++] = d; + } else { /* SBC */ + if (chk_chr("\"*+,:;<=>\?[]|\x7F", c)) return FR_INVALID_NAME; /* Reject illegal chrs for SFN */ + if (IsLower(c)) c -= 0x20; /* To upper */ + sfn[i++] = c; + } + } + *path = p + si; /* Return pointer to the next segment */ + if (i == 0) return FR_INVALID_NAME; /* Reject nul string */ + + if (sfn[0] == DDEM) sfn[0] = RDDEM; /* If the first character collides with DDEM, replace it with RDDEM */ + sfn[NSFLAG] = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of the path */ + + return FR_OK; +#endif /* _USE_LFN != 0 */ +} + + + + +/*-----------------------------------------------------------------------*/ +/* Follow a file path */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ + DIR* dp, /* Directory object to return last directory and found object */ + const TCHAR* path /* Full-path string to find a file or directory */ +) +{ + FRESULT res; + BYTE ns; + _FDID *obj = &dp->obj; + FATFS *fs = obj->fs; + + +#if _FS_RPATH != 0 + if (*path != '/' && *path != '\\') { /* Without heading separator */ + obj->sclust = fs->cdir; /* Start from the current directory */ + } else +#endif + { /* With heading separator */ + while (*path == '/' || *path == '\\') path++; /* Strip heading separator */ + obj->sclust = 0; /* Start from the root directory */ + } +#if _FS_EXFAT && _FS_RPATH != 0 + if (fs->fs_type == FS_EXFAT && obj->sclust) { /* Retrieve the sub-directory status if needed */ + DIR dj; + + obj->c_scl = fs->cdc_scl; + obj->c_size = fs->cdc_size; + obj->c_ofs = fs->cdc_ofs; + res = load_obj_dir(&dj, obj); + if (res != FR_OK) return res; + obj->objsize = ld_dword(fs->dirbuf + XDIR_FileSize); + obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; + } +#endif + + if ((UINT)*path < ' ') { /* Null path name is the origin directory itself */ + dp->fn[NSFLAG] = NS_NONAME; + res = dir_sdi(dp, 0); + + } else { /* Follow path */ + for (;;) { + res = create_name(dp, &path); /* Get a segment name of the path */ + if (res != FR_OK) break; + res = dir_find(dp); /* Find an object with the segment name */ + ns = dp->fn[NSFLAG]; + if (res != FR_OK) { /* Failed to find the object */ + if (res == FR_NO_FILE) { /* Object is not found */ + if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exist, stay there */ + if (!(ns & NS_LAST)) continue; /* Continue to follow if not last segment */ + dp->fn[NSFLAG] = NS_NONAME; + res = FR_OK; + } else { /* Could not find the object */ + if (!(ns & NS_LAST)) res = FR_NO_PATH; /* Adjust error code if not last segment */ + } + } + break; + } + if (ns & NS_LAST) break; /* Last segment matched. Function completed. */ + /* Get into the sub-directory */ + if (!(obj->attr & AM_DIR)) { /* It is not a sub-directory and cannot follow */ + res = FR_NO_PATH; break; + } +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + obj->c_scl = obj->sclust; /* Save containing directory information for next dir */ + obj->c_size = ((DWORD)obj->objsize & 0xFFFFFF00) | obj->stat; + obj->c_ofs = dp->blk_ofs; + obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Open next directory */ + obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; + obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); + } else +#endif + { + obj->sclust = ld_clust(fs, fs->win + dp->dptr % SS(fs)); /* Open next directory */ + } + } + } + + return res; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Get logical drive number from path name */ +/*-----------------------------------------------------------------------*/ + +static +int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */ + const TCHAR** path /* Pointer to pointer to the path name */ +) +{ + const TCHAR *tp, *tt; + UINT i; + int vol = -1; +#if _STR_VOLUME_ID /* Find string drive id */ + static const char* const str[] = {_VOLUME_STRS}; + const char *sp; + char c; + TCHAR tc; +#endif + + + if (*path) { /* If the pointer is not a null */ + for (tt = *path; (UINT)*tt >= (_USE_LFN ? ' ' : '!') && *tt != ':'; tt++) ; /* Find ':' in the path */ + if (*tt == ':') { /* If a ':' is exist in the path name */ + tp = *path; + i = *tp++ - '0'; + if (i < 10 && tp == tt) { /* Is there a numeric drive id? */ + if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ + vol = (int)i; + *path = ++tt; + } + } +#if _STR_VOLUME_ID + else { /* No numeric drive number, find string drive id */ + i = 0; tt++; + do { + sp = str[i]; tp = *path; + do { /* Compare a string drive id with path name */ + c = *sp++; tc = *tp++; + if (IsLower(tc)) tc -= 0x20; + } while (c && (TCHAR)c == tc); + } while ((c || tp != tt) && ++i < _VOLUMES); /* Repeat for each id until pattern match */ + if (i < _VOLUMES) { /* If a drive id is found, get the value and strip it */ + vol = (int)i; + *path = tt; + } + } +#endif + return vol; + } +#if _FS_RPATH != 0 && _VOLUMES >= 2 + vol = CurrVol; /* Current drive */ +#else + vol = 0; /* Drive 0 */ +#endif + } + return vol; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Load a sector and check if it is an FAT boot sector */ +/*-----------------------------------------------------------------------*/ + +static +BYTE check_fs ( /* 0:FAT, 1:exFAT, 2:Valid BS but not FAT, 3:Not a BS, 4:Disk error */ + FATFS* fs, /* File system object */ + DWORD sect /* Sector# (lba) to check if it is an FAT-VBR or not */ +) +{ + fs->wflag = 0; fs->winsect = 0xFFFFFFFF; /* Invaidate window */ + if (move_window(fs, sect) != FR_OK) return 4; /* Load boot record */ + + if (ld_word(fs->win + BS_55AA) != 0xAA55) return 3; /* Check boot record signature (always placed at offset 510 even if the sector size is >512) */ + + if (fs->win[BS_JmpBoot] == 0xE9 || (fs->win[BS_JmpBoot] == 0xEB && fs->win[BS_JmpBoot + 2] == 0x90)) { + if ((ld_dword(fs->win + BS_FilSysType) & 0xFFFFFF) == 0x544146) return 0; /* Check "FAT" string */ + if (ld_dword(fs->win + BS_FilSysType32) == 0x33544146) return 0; /* Check "FAT3" string */ + } +#if _FS_EXFAT + if (!mem_cmp(fs->win + BS_JmpBoot, "\xEB\x76\x90" "EXFAT ", 11)) return 1; +#endif + return 2; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Find logical drive and check if the volume is mounted */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */ + const TCHAR** path, /* Pointer to pointer to the path name (drive number) */ + FATFS** rfs, /* Pointer to pointer to the found file system object */ + BYTE mode /* !=0: Check write protection for write access */ +) +{ + BYTE fmt, *pt; + int vol; + DSTATUS stat; + DWORD bsect, fasize, tsect, sysect, nclst, szbfat, br[4]; + WORD nrsv; + FATFS *fs; + UINT i; + + + /* Get logical drive number */ + *rfs = 0; + vol = get_ldnumber(path); + if (vol < 0) return FR_INVALID_DRIVE; + + /* Check if the file system object is valid or not */ + fs = FatFs[vol]; /* Get pointer to the file system object */ + if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */ + + ENTER_FF(fs); /* Lock the volume */ + *rfs = fs; /* Return pointer to the file system object */ + + mode &= (BYTE)~FA_READ; /* Desired access mode, write access or not */ + if (fs->fs_type) { /* If the volume has been mounted */ + stat = disk_status(fs->drv); + if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized */ + if (!_FS_READONLY && mode && (stat & STA_PROTECT)) { /* Check write protection if needed */ + return FR_WRITE_PROTECTED; + } + return FR_OK; /* The file system object is valid */ + } + } + + /* The file system object is not valid. */ + /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */ + + fs->fs_type = 0; /* Clear the file system object */ + fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */ + stat = disk_initialize(fs->drv); /* Initialize the physical drive */ + if (stat & STA_NOINIT) { /* Check if the initialization succeeded */ + return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */ + } + if (!_FS_READONLY && mode && (stat & STA_PROTECT)) { /* Check disk write protection if needed */ + return FR_WRITE_PROTECTED; + } +#if _MAX_SS != _MIN_SS /* Get sector size (multiple sector size cfg only) */ + if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK) return FR_DISK_ERR; + if (SS(fs) > _MAX_SS || SS(fs) < _MIN_SS || (SS(fs) & (SS(fs) - 1))) return FR_DISK_ERR; +#endif + /* Find an FAT partition on the drive. Supports only generic partitioning, FDISK and SFD. */ + bsect = 0; + fmt = check_fs(fs, bsect); /* Load sector 0 and check if it is an FAT-VBR as SFD */ + if (fmt == 2 || (fmt < 2 && LD2PT(vol) != 0)) { /* Not an FAT-VBR or forced partition number */ + for (i = 0; i < 4; i++) { /* Get partition offset */ + pt = fs->win + (MBR_Table + i * SZ_PTE); + br[i] = pt[PTE_System] ? ld_dword(pt + PTE_StLba) : 0; + } + i = LD2PT(vol); /* Partition number: 0:auto, 1-4:forced */ + if (i) i--; + do { /* Find an FAT volume */ + bsect = br[i]; + fmt = bsect ? check_fs(fs, bsect) : 3; /* Check the partition */ + } while (!LD2PT(vol) && fmt >= 2 && ++i < 4); + } + if (fmt == 4) return FR_DISK_ERR; /* An error occured in the disk I/O layer */ + if (fmt >= 2) return FR_NO_FILESYSTEM; /* No FAT volume is found */ + + /* An FAT volume is found. Following code initializes the file system object */ + +#if _FS_EXFAT + if (fmt == 1) { + QWORD maxlba; + + for (i = BPB_ZeroedEx; i < BPB_ZeroedEx + 53 && fs->win[i] == 0; i++) ; /* Check zero filler */ + if (i < BPB_ZeroedEx + 53) return FR_NO_FILESYSTEM; + + if (ld_word(fs->win + BPB_FSVerEx) != 0x100) return FR_NO_FILESYSTEM; /* Check exFAT revision (Must be 1.0) */ + + if (1 << fs->win[BPB_BytsPerSecEx] != SS(fs)) /* (BPB_BytsPerSecEx must be equal to the physical sector size) */ + return FR_NO_FILESYSTEM; + + maxlba = ld_qword(fs->win + BPB_TotSecEx) + bsect; /* Last LBA + 1 of the volume */ + if (maxlba >= 0x100000000) return FR_NO_FILESYSTEM; /* (It cannot be handled in 32-bit LBA) */ + + fs->fsize = ld_dword(fs->win + BPB_FatSzEx); /* Number of sectors per FAT */ + + fs->n_fats = fs->win[BPB_NumFATsEx]; /* Number of FATs */ + if (fs->n_fats != 1) return FR_NO_FILESYSTEM; /* (Supports only 1 FAT) */ + + fs->csize = 1 << fs->win[BPB_SecPerClusEx]; /* Cluster size */ + if (fs->csize == 0) return FR_NO_FILESYSTEM; /* (Must be 1..32768) */ + + nclst = ld_dword(fs->win + BPB_NumClusEx); /* Number of clusters */ + if (nclst > MAX_EXFAT) return FR_NO_FILESYSTEM; /* (Too many clusters) */ + fs->n_fatent = nclst + 2; + + /* Boundaries and Limits */ + fs->volbase = bsect; + fs->database = bsect + ld_dword(fs->win + BPB_DataOfsEx); + fs->fatbase = bsect + ld_dword(fs->win + BPB_FatOfsEx); + if (maxlba < (QWORD)fs->database + nclst * fs->csize) return FR_NO_FILESYSTEM; /* (Volume size must not be smaller than the size requiered) */ + fs->dirbase = ld_dword(fs->win + BPB_RootClusEx); + + /* Check if bitmap location is in assumption (at the first cluster) */ + if (move_window(fs, clust2sect(fs, fs->dirbase)) != FR_OK) return FR_DISK_ERR; + for (i = 0; i < SS(fs); i += SZDIRE) { + if (fs->win[i] == 0x81 && ld_dword(fs->win + i + 20) == 2) break; /* 81 entry with cluster #2? */ + } + if (i == SS(fs)) return FR_NO_FILESYSTEM; +#if !_FS_READONLY + fs->last_clst = fs->free_clst = 0xFFFFFFFF; /* Initialize cluster allocation information */ +#endif + fmt = FS_EXFAT; /* FAT sub-type */ + } else +#endif /* _FS_EXFAT */ + { + if (ld_word(fs->win + BPB_BytsPerSec) != SS(fs)) return FR_NO_FILESYSTEM; /* (BPB_BytsPerSec must be equal to the physical sector size) */ + + fasize = ld_word(fs->win + BPB_FATSz16); /* Number of sectors per FAT */ + if (fasize == 0) fasize = ld_dword(fs->win + BPB_FATSz32); + fs->fsize = fasize; + + fs->n_fats = fs->win[BPB_NumFATs]; /* Number of FATs */ + if (fs->n_fats != 1 && fs->n_fats != 2) return FR_NO_FILESYSTEM; /* (Must be 1 or 2) */ + fasize *= fs->n_fats; /* Number of sectors for FAT area */ + + fs->csize = fs->win[BPB_SecPerClus]; /* Cluster size */ + if (fs->csize == 0 || (fs->csize & (fs->csize - 1))) return FR_NO_FILESYSTEM; /* (Must be power of 2) */ + + fs->n_rootdir = ld_word(fs->win + BPB_RootEntCnt); /* Number of root directory entries */ + if (fs->n_rootdir % (SS(fs) / SZDIRE)) return FR_NO_FILESYSTEM; /* (Must be sector aligned) */ + + tsect = ld_word(fs->win + BPB_TotSec16); /* Number of sectors on the volume */ + if (tsect == 0) tsect = ld_dword(fs->win + BPB_TotSec32); + + nrsv = ld_word(fs->win + BPB_RsvdSecCnt); /* Number of reserved sectors */ + if (nrsv == 0) return FR_NO_FILESYSTEM; /* (Must not be 0) */ + + /* Determine the FAT sub type */ + sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZDIRE); /* RSV + FAT + DIR */ + if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ + nclst = (tsect - sysect) / fs->csize; /* Number of clusters */ + if (nclst == 0) return FR_NO_FILESYSTEM; /* (Invalid volume size) */ + fmt = FS_FAT32; + if (nclst <= MAX_FAT16) fmt = FS_FAT16; + if (nclst <= MAX_FAT12) fmt = FS_FAT12; + + /* Boundaries and Limits */ + fs->n_fatent = nclst + 2; /* Number of FAT entries */ + fs->volbase = bsect; /* Volume start sector */ + fs->fatbase = bsect + nrsv; /* FAT start sector */ + fs->database = bsect + sysect; /* Data start sector */ + if (fmt == FS_FAT32) { + if (ld_word(fs->win + BPB_FSVer32) != 0) return FR_NO_FILESYSTEM; /* (Must be FAT32 revision 0.0) */ + if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */ + fs->dirbase = ld_dword(fs->win + BPB_RootClus32); /* Root directory start cluster */ + szbfat = fs->n_fatent * 4; /* (Needed FAT size) */ + } else { + if (fs->n_rootdir == 0) return FR_NO_FILESYSTEM;/* (BPB_RootEntCnt must not be 0) */ + fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */ + szbfat = (fmt == FS_FAT16) ? /* (Needed FAT size) */ + fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1); + } + if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) return FR_NO_FILESYSTEM; /* (BPB_FATSz must not be less than the size needed) */ + +#if !_FS_READONLY + /* Get FSINFO if available */ + fs->last_clst = fs->free_clst = 0xFFFFFFFF; /* Initialize cluster allocation information */ + fs->fsi_flag = 0x80; +#if (_FS_NOFSINFO & 3) != 3 + if (fmt == FS_FAT32 /* Enable FSINFO only if FAT32 and BPB_FSInfo32 == 1 */ + && ld_word(fs->win + BPB_FSInfo32) == 1 + && move_window(fs, bsect + 1) == FR_OK) + { + fs->fsi_flag = 0; + if (ld_word(fs->win + BS_55AA) == 0xAA55 /* Load FSINFO data if available */ + && ld_dword(fs->win + FSI_LeadSig) == 0x41615252 + && ld_dword(fs->win + FSI_StrucSig) == 0x61417272) + { +#if (_FS_NOFSINFO & 1) == 0 + fs->free_clst = ld_dword(fs->win + FSI_Free_Count); +#endif +#if (_FS_NOFSINFO & 2) == 0 + fs->last_clst = ld_dword(fs->win + FSI_Nxt_Free); +#endif + } + } +#endif /* (_FS_NOFSINFO & 3) != 3 */ +#endif /* !_FS_READONLY */ + } + + fs->fs_type = fmt; /* FAT sub-type */ + fs->id = ++Fsid; /* File system mount ID */ +#if _USE_LFN == 1 + fs->lfnbuf = LfnBuf; /* Static LFN working buffer */ +#if _FS_EXFAT + fs->dirbuf = DirBuf; /* Static directory block working buuffer */ +#endif +#endif +#if _FS_RPATH != 0 + fs->cdir = 0; /* Initialize current directory */ +#endif +#if _FS_LOCK != 0 /* Clear file lock semaphores */ + clear_lock(fs); +#endif + return FR_OK; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Check if the file/directory object is valid or not */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT validate ( /* Returns FR_OK or FR_INVALID_OBJECT */ + _FDID* obj, /* Pointer to the _OBJ, the 1st member in the FIL/DIR object, to check validity */ + FATFS** fs /* Pointer to pointer to the owner file system object to return */ +) +{ + FRESULT res; + + + if (!obj || !obj->fs || !obj->fs->fs_type || obj->fs->id != obj->id || (disk_status(obj->fs->drv) & STA_NOINIT)) { + *fs = 0; /* The object is invalid */ + res = FR_INVALID_OBJECT; + } else { + *fs = obj->fs; /* Owner file sytem object */ + ENTER_FF(obj->fs); /* Lock file system */ + res = FR_OK; + } + return res; +} + + + + +/*--------------------------------------------------------------------------- + + Public Functions (FatFs API) + +----------------------------------------------------------------------------*/ + + + +/*-----------------------------------------------------------------------*/ +/* Mount/Unmount a Logical Drive */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_mount ( + FATFS* fs, /* Pointer to the file system object (NULL:unmount)*/ + const TCHAR* path, /* Logical drive number to be mounted/unmounted */ + BYTE opt /* Mode option 0:Do not mount (delayed mount), 1:Mount immediately */ +) +{ + FATFS *cfs; + int vol; + FRESULT res; + const TCHAR *rp = path; + + + /* Get logical drive number */ + vol = get_ldnumber(&rp); + if (vol < 0) return FR_INVALID_DRIVE; + cfs = FatFs[vol]; /* Pointer to fs object */ + + if (cfs) { +#if _FS_LOCK != 0 + clear_lock(cfs); +#endif +#if _FS_REENTRANT /* Discard sync object of the current volume */ + if (!ff_del_syncobj(cfs->sobj)) return FR_INT_ERR; +#endif + cfs->fs_type = 0; /* Clear old fs object */ + } + + if (fs) { + fs->fs_type = 0; /* Clear new fs object */ +#if _FS_REENTRANT /* Create sync object for the new volume */ + if (!ff_cre_syncobj((BYTE)vol, &fs->sobj)) return FR_INT_ERR; +#endif + } + FatFs[vol] = fs; /* Register new fs object */ + + if (!fs || opt != 1) return FR_OK; /* Do not mount now, it will be mounted later */ + + res = find_volume(&path, &fs, 0); /* Force mounted the volume */ + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Open or Create a File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_open ( + FIL* fp, /* Pointer to the blank file object */ + const TCHAR* path, /* Pointer to the file name */ + BYTE mode /* Access mode and file open mode flags */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; +#if !_FS_READONLY + DWORD dw, cl, bcs, clst, sc; + FSIZE_t ofs; +#endif + DEF_NAMBUF + + + if (!fp) return FR_INVALID_OBJECT; + + /* Get logical drive */ + mode &= _FS_READONLY ? FA_READ : FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_CREATE_NEW | FA_OPEN_ALWAYS | FA_OPEN_APPEND | FA_SEEKEND; + res = find_volume(&path, &fs, mode); + if (res == FR_OK) { + dj.obj.fs = fs; + INIT_NAMBUF(fs); + res = follow_path(&dj, path); /* Follow the file path */ +#if !_FS_READONLY /* R/W configuration */ + if (res == FR_OK) { + if (dj.fn[NSFLAG] & NS_NONAME) { /* Origin directory itself? */ + res = FR_INVALID_NAME; + } +#if _FS_LOCK != 0 + else { + res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0); + } +#endif + } + /* Create or Open a file */ + if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) { + if (res != FR_OK) { /* No file, create new */ + if (res == FR_NO_FILE) /* There is no file to open, create a new entry */ +#if _FS_LOCK != 0 + res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; +#else + res = dir_register(&dj); +#endif + mode |= FA_CREATE_ALWAYS; /* File is created */ + } + else { /* Any object is already existing */ + if (dj.obj.attr & (AM_RDO | AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */ + res = FR_DENIED; + } else { + if (mode & FA_CREATE_NEW) res = FR_EXIST; /* Cannot create as new file */ + } + } + if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */ + dw = GET_FATTIME(); +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + /* Get current allocation info */ + fp->obj.fs = fs; + fp->obj.sclust = ld_dword(fs->dirbuf + XDIR_FstClus); + fp->obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); + fp->obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; + /* Initialize directory entry block */ + st_dword(fs->dirbuf + XDIR_CrtTime, dw); /* Set created time */ + fs->dirbuf[XDIR_CrtTime10] = 0; + st_dword(fs->dirbuf + XDIR_ModTime, dw); /* Set modified time */ + fs->dirbuf[XDIR_ModTime10] = 0; + fs->dirbuf[XDIR_Attr] = AM_ARC; /* Reset attribute */ + st_dword(fs->dirbuf + XDIR_FstClus, 0); /* Reset file allocation info */ + st_qword(fs->dirbuf + XDIR_FileSize, 0); + st_qword(fs->dirbuf + XDIR_ValidFileSize, 0); + fs->dirbuf[XDIR_GenFlags] = 1; + res = store_xdir(&dj); + if (res == FR_OK && fp->obj.sclust) { /* Remove the cluster chain if exist */ + res = remove_chain(&fp->obj, fp->obj.sclust, 0); + fs->last_clst = fp->obj.sclust - 1; /* Reuse the cluster hole */ + } + } else +#endif + { + /* Clean directory info */ + st_dword(dj.dir + DIR_CrtTime, dw); /* Set created time */ + st_dword(dj.dir + DIR_ModTime, dw); /* Set modified time */ + dj.dir[DIR_Attr] = AM_ARC; /* Reset attribute */ + cl = ld_clust(fs, dj.dir); /* Get cluster chain */ + st_clust(fs, dj.dir, 0); /* Reset file allocation info */ + st_dword(dj.dir + DIR_FileSize, 0); + fs->wflag = 1; + + if (cl) { /* Remove the cluster chain if exist */ + dw = fs->winsect; + res = remove_chain(&dj.obj, cl, 0); + if (res == FR_OK) { + res = move_window(fs, dw); + fs->last_clst = cl - 1; /* Reuse the cluster hole */ + } + } + } + } + } + else { /* Open an existing file */ + if (res == FR_OK) { /* Following succeeded */ + if (dj.obj.attr & AM_DIR) { /* It is a directory */ + res = FR_NO_FILE; + } else { + if ((mode & FA_WRITE) && (dj.obj.attr & AM_RDO)) { /* R/O violation */ + res = FR_DENIED; + } + } + } + } + if (res == FR_OK) { + if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */ + mode |= FA_MODIFIED; + fp->dir_sect = fs->winsect; /* Pointer to the directory entry */ + fp->dir_ptr = dj.dir; +#if _FS_LOCK != 0 + fp->obj.lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0); + if (!fp->obj.lockid) res = FR_INT_ERR; +#endif + } +#else /* R/O configuration */ + if (res == FR_OK) { + if (dj.fn[NSFLAG] & NS_NONAME) { /* Origin directory itself? */ + res = FR_INVALID_NAME; + } else { + if (dj.obj.attr & AM_DIR) { /* It is a directory */ + res = FR_NO_FILE; + } + } + } +#endif + + if (res == FR_OK) { +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + fp->obj.sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Get allocation info */ + fp->obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); + fp->obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; + fp->obj.c_scl = dj.obj.sclust; + fp->obj.c_size = ((DWORD)dj.obj.objsize & 0xFFFFFF00) | dj.obj.stat; + fp->obj.c_ofs = dj.blk_ofs; + } else +#endif + { + fp->obj.sclust = ld_clust(fs, dj.dir); /* Get allocation info */ + fp->obj.objsize = ld_dword(dj.dir + DIR_FileSize); + } +#if _USE_FASTSEEK + fp->cltbl = 0; /* Disable fast seek mode */ +#endif + fp->obj.fs = fs; /* Validate the file object */ + fp->obj.id = fs->id; + fp->flag = mode; /* Set file access mode */ + fp->err = 0; /* Clear error flag */ + fp->sect = 0; /* Invalidate current data sector */ + fp->fptr = 0; /* Set file pointer top of the file */ +#if !_FS_READONLY +#if !_FS_TINY + mem_set(fp->buf, 0, _MAX_SS); /* Clear sector buffer */ +#endif + if ((mode & FA_SEEKEND) && fp->obj.objsize > 0) { /* Seek to end of file if FA_OPEN_APPEND is specified */ + fp->fptr = fp->obj.objsize; /* Offset to seek */ + bcs = (DWORD)fs->csize * SS(fs); /* Cluster size in byte */ + clst = fp->obj.sclust; /* Follow the cluster chain */ + for (ofs = fp->obj.objsize; res == FR_OK && ofs > bcs; ofs -= bcs) { + clst = get_fat(&fp->obj, clst); + if (clst <= 1) res = FR_INT_ERR; + if (clst == 0xFFFFFFFF) res = FR_DISK_ERR; + } + fp->clust = clst; + if (res == FR_OK && ofs % SS(fs)) { /* Fill sector buffer if not on the sector boundary */ + if ((sc = clust2sect(fs, clst)) == 0) { + res = FR_INT_ERR; + } else { + fp->sect = sc + (DWORD)(ofs / SS(fs)); +#if !_FS_TINY + if (disk_read(fs->drv, fp->buf, fp->sect, 1) != RES_OK) res = FR_DISK_ERR; +#endif + } + } + } +#endif + } + + FREE_NAMBUF(); + } + + if (res != FR_OK) fp->obj.fs = 0; /* Invalidate file object on error */ + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Read File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_read ( + FIL* fp, /* Pointer to the file object */ + void* buff, /* Pointer to data buffer */ + UINT btr, /* Number of bytes to read */ + UINT* br /* Pointer to number of bytes read */ +) +{ + FRESULT res; + FATFS *fs; + DWORD clst, sect; + FSIZE_t remain; + UINT rcnt, cc, csect; + BYTE *rbuff = (BYTE*)buff; + + + *br = 0; /* Clear read byte counter */ + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ + if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ + remain = fp->obj.objsize - fp->fptr; + if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */ + + for ( ; btr; /* Repeat until all data read */ + rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { + if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ + csect = (UINT)(fp->fptr / SS(fs) & (fs->csize - 1)); /* Sector offset in the cluster */ + if (csect == 0) { /* On the cluster boundary? */ + if (fp->fptr == 0) { /* On the top of the file? */ + clst = fp->obj.sclust; /* Follow cluster chain from the origin */ + } else { /* Middle or end of the file */ +#if _USE_FASTSEEK + if (fp->cltbl) { + clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ + } else +#endif + { + clst = get_fat(&fp->obj, fp->clust); /* Follow cluster chain on the FAT */ + } + } + if (clst < 2) ABORT(fs, FR_INT_ERR); + if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); + fp->clust = clst; /* Update current cluster */ + } + sect = clust2sect(fs, fp->clust); /* Get current sector */ + if (!sect) ABORT(fs, FR_INT_ERR); + sect += csect; + cc = btr / SS(fs); /* When remaining bytes >= sector size, */ + if (cc) { /* Read maximum contiguous sectors directly */ + if (csect + cc > fs->csize) { /* Clip at cluster boundary */ + cc = fs->csize - csect; + } + if (disk_read(fs->drv, rbuff, sect, cc) != RES_OK) ABORT(fs, FR_DISK_ERR); +#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */ +#if _FS_TINY + if (fs->wflag && fs->winsect - sect < cc) { + mem_cpy(rbuff + ((fs->winsect - sect) * SS(fs)), fs->win, SS(fs)); + } +#else + if ((fp->flag & FA_DIRTY) && fp->sect - sect < cc) { + mem_cpy(rbuff + ((fp->sect - sect) * SS(fs)), fp->buf, SS(fs)); + } +#endif +#endif + rcnt = SS(fs) * cc; /* Number of bytes transferred */ + continue; + } +#if !_FS_TINY + if (fp->sect != sect) { /* Load data sector if not in cache */ +#if !_FS_READONLY + if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif + if (disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); /* Fill sector cache */ + } +#endif + fp->sect = sect; + } + rcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ + if (rcnt > btr) rcnt = btr; /* Clip it by btr if needed */ +#if _FS_TINY + if (move_window(fs, fp->sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window */ + mem_cpy(rbuff, fs->win + fp->fptr % SS(fs), rcnt); /* Extract partial sector */ +#else + mem_cpy(rbuff, fp->buf + fp->fptr % SS(fs), rcnt); /* Extract partial sector */ +#endif + } + + LEAVE_FF(fs, FR_OK); +} + + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Write File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_write ( + FIL* fp, /* Pointer to the file object */ + const void* buff, /* Pointer to the data to be written */ + UINT btw, /* Number of bytes to write */ + UINT* bw /* Pointer to number of bytes written */ +) +{ + FRESULT res; + FATFS *fs; + DWORD clst, sect; + UINT wcnt, cc, csect; + const BYTE *wbuff = (const BYTE*)buff; + + + *bw = 0; /* Clear write byte counter */ + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ + if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ + + /* Check fptr wrap-around (file size cannot reach 4GiB on FATxx) */ + if ((!_FS_EXFAT || fs->fs_type != FS_EXFAT) && (DWORD)(fp->fptr + btw) < (DWORD)fp->fptr) { + btw = (UINT)(0xFFFFFFFF - (DWORD)fp->fptr); + } + + for ( ; btw; /* Repeat until all data written */ + wbuff += wcnt, fp->fptr += wcnt, fp->obj.objsize = (fp->fptr > fp->obj.objsize) ? fp->fptr : fp->obj.objsize, *bw += wcnt, btw -= wcnt) { + if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ + csect = (UINT)(fp->fptr / SS(fs)) & (fs->csize - 1); /* Sector offset in the cluster */ + if (csect == 0) { /* On the cluster boundary? */ + if (fp->fptr == 0) { /* On the top of the file? */ + clst = fp->obj.sclust; /* Follow from the origin */ + if (clst == 0) { /* If no cluster is allocated, */ + clst = create_chain(&fp->obj, 0); /* create a new cluster chain */ + } + } else { /* On the middle or end of the file */ +#if _USE_FASTSEEK + if (fp->cltbl) { + clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */ + } else +#endif + { + clst = create_chain(&fp->obj, fp->clust); /* Follow or stretch cluster chain on the FAT */ + } + } + if (clst == 0) break; /* Could not allocate a new cluster (disk full) */ + if (clst == 1) ABORT(fs, FR_INT_ERR); + if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); + fp->clust = clst; /* Update current cluster */ + if (fp->obj.sclust == 0) fp->obj.sclust = clst; /* Set start cluster if the first write */ + } +#if _FS_TINY + if (fs->winsect == fp->sect && sync_window(fs) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Write-back sector cache */ +#else + if (fp->flag & FA_DIRTY) { /* Write-back sector cache */ + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif + sect = clust2sect(fs, fp->clust); /* Get current sector */ + if (!sect) ABORT(fs, FR_INT_ERR); + sect += csect; + cc = btw / SS(fs); /* When remaining bytes >= sector size, */ + if (cc) { /* Write maximum contiguous sectors directly */ + if (csect + cc > fs->csize) { /* Clip at cluster boundary */ + cc = fs->csize - csect; + } + if (disk_write(fs->drv, wbuff, sect, cc) != RES_OK) ABORT(fs, FR_DISK_ERR); +#if _FS_MINIMIZE <= 2 +#if _FS_TINY + if (fs->winsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ + mem_cpy(fs->win, wbuff + ((fs->winsect - sect) * SS(fs)), SS(fs)); + fs->wflag = 0; + } +#else + if (fp->sect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ + mem_cpy(fp->buf, wbuff + ((fp->sect - sect) * SS(fs)), SS(fs)); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif +#endif + wcnt = SS(fs) * cc; /* Number of bytes transferred */ + continue; + } +#if _FS_TINY + if (fp->fptr >= fp->obj.objsize) { /* Avoid silly cache filling on the growing edge */ + if (sync_window(fs) != FR_OK) ABORT(fs, FR_DISK_ERR); + fs->winsect = sect; + } +#else + if (fp->sect != sect && /* Fill sector cache with file data */ + fp->fptr < fp->obj.objsize && + disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) { + ABORT(fs, FR_DISK_ERR); + } +#endif + fp->sect = sect; + } + wcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ + if (wcnt > btw) wcnt = btw; /* Clip it by btw if needed */ +#if _FS_TINY + if (move_window(fs, fp->sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window */ + mem_cpy(fs->win + fp->fptr % SS(fs), wbuff, wcnt); /* Fit data to the sector */ + fs->wflag = 1; +#else + mem_cpy(fp->buf + fp->fptr % SS(fs), wbuff, wcnt); /* Fit data to the sector */ + fp->flag |= FA_DIRTY; +#endif + } + + fp->flag |= FA_MODIFIED; /* Set file change flag */ + + LEAVE_FF(fs, FR_OK); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Synchronize the File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_sync ( + FIL* fp /* Pointer to the file object */ +) +{ + FRESULT res; + FATFS *fs; + DWORD tm; + BYTE *dir; + DEF_NAMBUF + + + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res == FR_OK) { + if (fp->flag & FA_MODIFIED) { /* Is there any change to the file? */ +#if !_FS_TINY + if (fp->flag & FA_DIRTY) { /* Write-back cached data if needed */ + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) LEAVE_FF(fs, FR_DISK_ERR); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif + /* Update the directory entry */ + tm = GET_FATTIME(); /* Modified time */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + res = fill_fat_chain(&fp->obj); /* Create FAT chain if needed */ + if (res == FR_OK) { + DIR dj; + + INIT_NAMBUF(fs); + res = load_obj_dir(&dj, &fp->obj); /* Load directory entry block */ + if (res == FR_OK) { + fs->dirbuf[XDIR_Attr] |= AM_ARC; /* Set archive bit */ + fs->dirbuf[XDIR_GenFlags] = fp->obj.stat | 1; /* Update file allocation info */ + st_dword(fs->dirbuf + XDIR_FstClus, fp->obj.sclust); + st_qword(fs->dirbuf + XDIR_FileSize, fp->obj.objsize); + st_qword(fs->dirbuf + XDIR_ValidFileSize, fp->obj.objsize); + st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Update modified time */ + fs->dirbuf[XDIR_ModTime10] = 0; + st_dword(fs->dirbuf + XDIR_AccTime, 0); + res = store_xdir(&dj); /* Restore it to the directory */ + if (res == FR_OK) { + res = sync_fs(fs); + fp->flag &= (BYTE)~FA_MODIFIED; + } + } + FREE_NAMBUF(); + } + } else +#endif + { + res = move_window(fs, fp->dir_sect); + if (res == FR_OK) { + dir = fp->dir_ptr; + dir[DIR_Attr] |= AM_ARC; /* Set archive bit */ + st_clust(fp->obj.fs, dir, fp->obj.sclust); /* Update file allocation info */ + st_dword(dir + DIR_FileSize, (DWORD)fp->obj.objsize); /* Update file size */ + st_dword(dir + DIR_ModTime, tm); /* Update modified time */ + st_word(dir + DIR_LstAccDate, 0); + fs->wflag = 1; + res = sync_fs(fs); /* Restore it to the directory */ + fp->flag &= (BYTE)~FA_MODIFIED; + } + } + } + } + + LEAVE_FF(fs, res); +} + +#endif /* !_FS_READONLY */ + + + + +/*-----------------------------------------------------------------------*/ +/* Close File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_close ( + FIL* fp /* Pointer to the file object to be closed */ +) +{ + FRESULT res; + FATFS *fs; + +#if !_FS_READONLY + res = f_sync(fp); /* Flush cached data */ + if (res == FR_OK) +#endif + { + res = validate(&fp->obj, &fs); /* Lock volume */ + if (res == FR_OK) { +#if _FS_LOCK != 0 + res = dec_lock(fp->obj.lockid); /* Decrement file open counter */ + if (res == FR_OK) +#endif + { + fp->obj.fs = 0; /* Invalidate file object */ + } +#if _FS_REENTRANT + unlock_fs(fs, FR_OK); /* Unlock volume */ +#endif + } + } + return res; +} + + + + +#if _FS_RPATH >= 1 +/*-----------------------------------------------------------------------*/ +/* Change Current Directory or Current Drive, Get Current Directory */ +/*-----------------------------------------------------------------------*/ + +#if _VOLUMES >= 2 +FRESULT f_chdrive ( + const TCHAR* path /* Drive number */ +) +{ + int vol; + + + /* Get logical drive number */ + vol = get_ldnumber(&path); + if (vol < 0) return FR_INVALID_DRIVE; + + CurrVol = (BYTE)vol; /* Set it as current volume */ + + return FR_OK; +} +#endif + + +FRESULT f_chdir ( + const TCHAR* path /* Pointer to the directory path */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + DEF_NAMBUF + + /* Get logical drive */ + res = find_volume(&path, &fs, 0); + if (res == FR_OK) { + dj.obj.fs = fs; + INIT_NAMBUF(fs); + res = follow_path(&dj, path); /* Follow the path */ + if (res == FR_OK) { /* Follow completed */ + if (dj.fn[NSFLAG] & NS_NONAME) { + fs->cdir = dj.obj.sclust; /* It is the start directory itself */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + fs->cdc_scl = dj.obj.c_scl; + fs->cdc_size = dj.obj.c_size; + fs->cdc_ofs = dj.obj.c_ofs; + } +#endif + } else { + if (dj.obj.attr & AM_DIR) { /* It is a sub-directory */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + fs->cdir = ld_dword(fs->dirbuf + XDIR_FstClus); /* Sub-directory cluster */ + fs->cdc_scl = dj.obj.sclust; /* Save containing directory information */ + fs->cdc_size = ((DWORD)dj.obj.objsize & 0xFFFFFF00) | dj.obj.stat; + fs->cdc_ofs = dj.blk_ofs; + } else +#endif + { + fs->cdir = ld_clust(fs, dj.dir); /* Sub-directory cluster */ + } + } else { + res = FR_NO_PATH; /* Reached but a file */ + } + } + } + FREE_NAMBUF(); + if (res == FR_NO_FILE) res = FR_NO_PATH; + } + + LEAVE_FF(fs, res); +} + + +#if _FS_RPATH >= 2 +FRESULT f_getcwd ( + TCHAR* buff, /* Pointer to the directory path */ + UINT len /* Size of path */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + UINT i, n; + DWORD ccl; + TCHAR *tp; + FILINFO fno; + DEF_NAMBUF + + + *buff = 0; + /* Get logical drive */ + res = find_volume((const TCHAR**)&buff, &fs, 0); /* Get current volume */ + if (res == FR_OK) { + dj.obj.fs = fs; + INIT_NAMBUF(fs); + i = len; /* Bottom of buffer (directory stack base) */ + if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { /* (Cannot do getcwd on exFAT and returns root path) */ + dj.obj.sclust = fs->cdir; /* Start to follow upper directory from current directory */ + while ((ccl = dj.obj.sclust) != 0) { /* Repeat while current directory is a sub-directory */ + res = dir_sdi(&dj, 1 * SZDIRE); /* Get parent directory */ + if (res != FR_OK) break; + res = move_window(fs, dj.sect); + if (res != FR_OK) break; + dj.obj.sclust = ld_clust(fs, dj.dir); /* Goto parent directory */ + res = dir_sdi(&dj, 0); + if (res != FR_OK) break; + do { /* Find the entry links to the child directory */ + res = dir_read(&dj, 0); + if (res != FR_OK) break; + if (ccl == ld_clust(fs, dj.dir)) break; /* Found the entry */ + res = dir_next(&dj, 0); + } while (res == FR_OK); + if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */ + if (res != FR_OK) break; + get_fileinfo(&dj, &fno); /* Get the directory name and push it to the buffer */ + for (n = 0; fno.fname[n]; n++) ; + if (i < n + 3) { + res = FR_NOT_ENOUGH_CORE; break; + } + while (n) buff[--i] = fno.fname[--n]; + buff[--i] = '/'; + } + } + tp = buff; + if (res == FR_OK) { +#if _VOLUMES >= 2 + *tp++ = '0' + CurrVol; /* Put drive number */ + *tp++ = ':'; +#endif + if (i == len) { /* Root-directory */ + *tp++ = '/'; + } else { /* Sub-directroy */ + do /* Add stacked path str */ + *tp++ = buff[i++]; + while (i < len); + } + } + *tp = 0; + FREE_NAMBUF(); + } + + LEAVE_FF(fs, res); +} + +#endif /* _FS_RPATH >= 2 */ +#endif /* _FS_RPATH >= 1 */ + + + +#if _FS_MINIMIZE <= 2 +/*-----------------------------------------------------------------------*/ +/* Seek File R/W Pointer */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_lseek ( + FIL* fp, /* Pointer to the file object */ + FSIZE_t ofs /* File pointer from top of file */ +) +{ + FRESULT res; + FATFS *fs; + DWORD clst, bcs, nsect; + FSIZE_t ifptr; +#if _USE_FASTSEEK + DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl; +#endif + + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); /* Check validity */ +#if _USE_FASTSEEK + if (fp->cltbl) { /* Fast seek */ + if (ofs == CREATE_LINKMAP) { /* Create CLMT */ + tbl = fp->cltbl; + tlen = *tbl++; ulen = 2; /* Given table size and required table size */ + cl = fp->obj.sclust; /* Origin of the chain */ + if (cl) { + do { + /* Get a fragment */ + tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */ + do { + pcl = cl; ncl++; + cl = get_fat(&fp->obj, cl); + if (cl <= 1) ABORT(fs, FR_INT_ERR); + if (cl == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); + } while (cl == pcl + 1); + if (ulen <= tlen) { /* Store the length and top of the fragment */ + *tbl++ = ncl; *tbl++ = tcl; + } + } while (cl < fs->n_fatent); /* Repeat until end of chain */ + } + *fp->cltbl = ulen; /* Number of items used */ + if (ulen <= tlen) { + *tbl = 0; /* Terminate table */ + } else { + res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */ + } + } else { /* Fast seek */ + if (ofs > fp->obj.objsize) ofs = fp->obj.objsize; /* Clip offset at the file size */ + fp->fptr = ofs; /* Set file pointer */ + if (ofs) { + fp->clust = clmt_clust(fp, ofs - 1); + dsc = clust2sect(fs, fp->clust); + if (!dsc) ABORT(fs, FR_INT_ERR); + dsc += (DWORD)((ofs - 1) / SS(fs)) & (fs->csize - 1); + if (fp->fptr % SS(fs) && dsc != fp->sect) { /* Refill sector cache if needed */ +#if !_FS_TINY +#if !_FS_READONLY + if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif + if (disk_read(fs->drv, fp->buf, dsc, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); /* Load current sector */ +#endif + fp->sect = dsc; + } + } + } + } else +#endif + + /* Normal Seek */ + { +#if _FS_EXFAT + if (fs->fs_type != FS_EXFAT && ofs >= 0x100000000) ofs = 0xFFFFFFFF; /* Clip at 4GiB-1 if at FATxx */ +#endif + if (ofs > fp->obj.objsize && (_FS_READONLY || !(fp->flag & FA_WRITE))) { /* In read-only mode, clip offset with the file size */ + ofs = fp->obj.objsize; + } + ifptr = fp->fptr; + fp->fptr = nsect = 0; + if (ofs) { + bcs = (DWORD)fs->csize * SS(fs); /* Cluster size (byte) */ + if (ifptr > 0 && + (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */ + fp->fptr = (ifptr - 1) & ~(FSIZE_t)(bcs - 1); /* start from the current cluster */ + ofs -= fp->fptr; + clst = fp->clust; + } else { /* When seek to back cluster, */ + clst = fp->obj.sclust; /* start from the first cluster */ +#if !_FS_READONLY + if (clst == 0) { /* If no cluster chain, create a new chain */ + clst = create_chain(&fp->obj, 0); + if (clst == 1) ABORT(fs, FR_INT_ERR); + if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); + fp->obj.sclust = clst; + } +#endif + fp->clust = clst; + } + if (clst != 0) { + while (ofs > bcs) { /* Cluster following loop */ + ofs -= bcs; fp->fptr += bcs; +#if !_FS_READONLY + if (fp->flag & FA_WRITE) { /* Check if in write mode or not */ + if (_FS_EXFAT && fp->fptr > fp->obj.objsize) { /* No FAT chain object needs correct objsize to generate FAT value */ + fp->obj.objsize = fp->fptr; + fp->flag |= FA_MODIFIED; + } + clst = create_chain(&fp->obj, clst); /* Follow chain with forceed stretch */ + if (clst == 0) { /* Clip file size in case of disk full */ + ofs = 0; break; + } + } else +#endif + { + clst = get_fat(&fp->obj, clst); /* Follow cluster chain if not in write mode */ + } + if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); + if (clst <= 1 || clst >= fs->n_fatent) ABORT(fs, FR_INT_ERR); + fp->clust = clst; + } + fp->fptr += ofs; + if (ofs % SS(fs)) { + nsect = clust2sect(fs, clst); /* Current sector */ + if (!nsect) ABORT(fs, FR_INT_ERR); + nsect += (DWORD)(ofs / SS(fs)); + } + } + } + if (!_FS_READONLY && fp->fptr > fp->obj.objsize) { /* Set file change flag if the file size is extended */ + fp->obj.objsize = fp->fptr; + fp->flag |= FA_MODIFIED; + } + if (fp->fptr % SS(fs) && nsect != fp->sect) { /* Fill sector cache if needed */ +#if !_FS_TINY +#if !_FS_READONLY + if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif + if (disk_read(fs->drv, fp->buf, nsect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); /* Fill sector cache */ +#endif + fp->sect = nsect; + } + } + + LEAVE_FF(fs, res); +} + + + +#if _FS_MINIMIZE <= 1 +/*-----------------------------------------------------------------------*/ +/* Create a Directory Object */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_opendir ( + DIR* dp, /* Pointer to directory object to create */ + const TCHAR* path /* Pointer to the directory path */ +) +{ + FRESULT res; + FATFS *fs; + _FDID *obj; + DEF_NAMBUF + + + if (!dp) return FR_INVALID_OBJECT; + + /* Get logical drive */ + obj = &dp->obj; + res = find_volume(&path, &fs, 0); + if (res == FR_OK) { + obj->fs = fs; + INIT_NAMBUF(fs); + res = follow_path(dp, path); /* Follow the path to the directory */ + if (res == FR_OK) { /* Follow completed */ + if (!(dp->fn[NSFLAG] & NS_NONAME)) { /* It is not the origin directory itself */ + if (obj->attr & AM_DIR) { /* This object is a sub-directory */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + obj->c_scl = obj->sclust; /* Save containing directory inforamation */ + obj->c_size = ((DWORD)obj->objsize & 0xFFFFFF00) | obj->stat; + obj->c_ofs = dp->blk_ofs; + obj->sclust = ld_dword(fs->dirbuf + XDIR_FstClus); /* Get object location and status */ + obj->objsize = ld_qword(fs->dirbuf + XDIR_FileSize); + obj->stat = fs->dirbuf[XDIR_GenFlags] & 2; + } else +#endif + { + obj->sclust = ld_clust(fs, dp->dir); /* Get object location */ + } + } else { /* This object is a file */ + res = FR_NO_PATH; + } + } + if (res == FR_OK) { + obj->id = fs->id; + res = dir_sdi(dp, 0); /* Rewind directory */ +#if _FS_LOCK != 0 + if (res == FR_OK) { + if (obj->sclust) { + obj->lockid = inc_lock(dp, 0); /* Lock the sub directory */ + if (!obj->lockid) res = FR_TOO_MANY_OPEN_FILES; + } else { + obj->lockid = 0; /* Root directory need not to be locked */ + } + } +#endif + } + } + FREE_NAMBUF(); + if (res == FR_NO_FILE) res = FR_NO_PATH; + } + if (res != FR_OK) obj->fs = 0; /* Invalidate the directory object if function faild */ + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Close Directory */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_closedir ( + DIR *dp /* Pointer to the directory object to be closed */ +) +{ + FRESULT res; + FATFS *fs; + + + res = validate(&dp->obj, &fs); /* Check validity of the file object */ + if (res == FR_OK) { +#if _FS_LOCK != 0 + if (dp->obj.lockid) { /* Decrement sub-directory open counter */ + res = dec_lock(dp->obj.lockid); + } + if (res == FR_OK) +#endif + { + dp->obj.fs = 0; /* Invalidate directory object */ + } +#if _FS_REENTRANT + unlock_fs(fs, FR_OK); /* Unlock volume */ +#endif + } + return res; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Read Directory Entries in Sequence */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_readdir ( + DIR* dp, /* Pointer to the open directory object */ + FILINFO* fno /* Pointer to file information to return */ +) +{ + FRESULT res; + FATFS *fs; + DEF_NAMBUF + + + res = validate(&dp->obj, &fs); /* Check validity of the directory object */ + if (res == FR_OK) { + if (!fno) { + res = dir_sdi(dp, 0); /* Rewind the directory object */ + } else { + INIT_NAMBUF(fs); + res = dir_read(dp, 0); /* Read an item */ + if (res == FR_NO_FILE) res = FR_OK; /* Ignore end of directory */ + if (res == FR_OK) { /* A valid entry is found */ + get_fileinfo(dp, fno); /* Get the object information */ + res = dir_next(dp, 0); /* Increment index for next */ + if (res == FR_NO_FILE) res = FR_OK; /* Ignore end of directory now */ + } + FREE_NAMBUF(); + } + } + LEAVE_FF(fs, res); +} + + + +#if _USE_FIND +/*-----------------------------------------------------------------------*/ +/* Find Next File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_findnext ( + DIR* dp, /* Pointer to the open directory object */ + FILINFO* fno /* Pointer to the file information structure */ +) +{ + FRESULT res; + + + for (;;) { + res = f_readdir(dp, fno); /* Get a directory item */ + if (res != FR_OK || !fno || !fno->fname[0]) break; /* Terminate if any error or end of directory */ + if (pattern_matching(dp->pat, fno->fname, 0, 0)) break; /* Test for the file name */ +#if _USE_LFN != 0 && _USE_FIND == 2 + if (pattern_matching(dp->pat, fno->altname, 0, 0)) break; /* Test for alternative name if exist */ +#endif + } + return res; +} + + + +/*-----------------------------------------------------------------------*/ +/* Find First File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_findfirst ( + DIR* dp, /* Pointer to the blank directory object */ + FILINFO* fno, /* Pointer to the file information structure */ + const TCHAR* path, /* Pointer to the directory to open */ + const TCHAR* pattern /* Pointer to the matching pattern */ +) +{ + FRESULT res; + + + dp->pat = pattern; /* Save pointer to pattern string */ + res = f_opendir(dp, path); /* Open the target directory */ + if (res == FR_OK) { + res = f_findnext(dp, fno); /* Find the first item */ + } + return res; +} + +#endif /* _USE_FIND */ + + + +#if _FS_MINIMIZE == 0 +/*-----------------------------------------------------------------------*/ +/* Get File Status */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_stat ( + const TCHAR* path, /* Pointer to the file path */ + FILINFO* fno /* Pointer to file information to return */ +) +{ + FRESULT res; + DIR dj; + DEF_NAMBUF + + + /* Get logical drive */ + res = find_volume(&path, &dj.obj.fs, 0); + if (res == FR_OK) { + INIT_NAMBUF(dj.obj.fs); + res = follow_path(&dj, path); /* Follow the file path */ + if (res == FR_OK) { /* Follow completed */ + if (dj.fn[NSFLAG] & NS_NONAME) { /* It is origin directory */ + res = FR_INVALID_NAME; + } else { /* Found an object */ + if (fno) get_fileinfo(&dj, fno); + } + } + FREE_NAMBUF(); + } + + LEAVE_FF(dj.obj.fs, res); +} + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Get Number of Free Clusters */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_getfree ( + const TCHAR* path, /* Path name of the logical drive number */ + DWORD* nclst, /* Pointer to a variable to return number of free clusters */ + FATFS** fatfs /* Pointer to return pointer to corresponding file system object */ +) +{ + FRESULT res; + FATFS *fs; + DWORD nfree, clst, sect, stat; + UINT i; + BYTE *p; + _FDID obj; + + + /* Get logical drive */ + res = find_volume(&path, &fs, 0); + if (res == FR_OK) { + *fatfs = fs; /* Return ptr to the fs object */ + /* If free_clst is valid, return it without full cluster scan */ + if (fs->free_clst <= fs->n_fatent - 2) { + *nclst = fs->free_clst; + } else { + /* Get number of free clusters */ + nfree = 0; + if (fs->fs_type == FS_FAT12) { /* FAT12: Sector unalighed FAT entries */ + clst = 2; obj.fs = fs; + do { + stat = get_fat(&obj, clst); + if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } + if (stat == 1) { res = FR_INT_ERR; break; } + if (stat == 0) nfree++; + } while (++clst < fs->n_fatent); + } else { +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* exFAT: Scan bitmap table */ + BYTE bm; + UINT b; + + clst = fs->n_fatent - 2; + sect = fs->database; + i = 0; + do { + if (i == 0 && (res = move_window(fs, sect++)) != FR_OK) break; + for (b = 8, bm = fs->win[i]; b && clst; b--, clst--) { + if (!(bm & 1)) nfree++; + bm >>= 1; + } + i = (i + 1) % SS(fs); + } while (clst); + } else +#endif + { /* FAT16/32: Sector alighed FAT entries */ + clst = fs->n_fatent; sect = fs->fatbase; + i = 0; p = 0; + do { + if (i == 0) { + res = move_window(fs, sect++); + if (res != FR_OK) break; + p = fs->win; + i = SS(fs); + } + if (fs->fs_type == FS_FAT16) { + if (ld_word(p) == 0) nfree++; + p += 2; i -= 2; + } else { + if ((ld_dword(p) & 0x0FFFFFFF) == 0) nfree++; + p += 4; i -= 4; + } + } while (--clst); + } + } + *nclst = nfree; /* Return the free clusters */ + fs->free_clst = nfree; /* Now free_clst is valid */ + fs->fsi_flag |= 1; /* FSInfo is to be updated */ + } + } + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Truncate File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_truncate ( + FIL* fp /* Pointer to the file object */ +) +{ + FRESULT res; + FATFS *fs; + DWORD ncl; + + + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); + if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ + + if (fp->obj.objsize > fp->fptr) { + if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */ + res = remove_chain(&fp->obj, fp->obj.sclust, 0); + fp->obj.sclust = 0; + } else { /* When truncate a part of the file, remove remaining clusters */ + ncl = get_fat(&fp->obj, fp->clust); + res = FR_OK; + if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR; + if (ncl == 1) res = FR_INT_ERR; + if (res == FR_OK && ncl < fs->n_fatent) { + res = remove_chain(&fp->obj, ncl, fp->clust); + } + } + fp->obj.objsize = fp->fptr; /* Set file size to current R/W point */ + fp->flag |= FA_MODIFIED; +#if !_FS_TINY + if (res == FR_OK && (fp->flag & FA_DIRTY)) { + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) { + res = FR_DISK_ERR; + } else { + fp->flag &= (BYTE)~FA_DIRTY; + } + } +#endif + if (res != FR_OK) ABORT(fs, res); + } + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Delete a File/Directory */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_unlink ( + const TCHAR* path /* Pointer to the file or directory path */ +) +{ + FRESULT res; + DIR dj, sdj; + DWORD dclst = 0; + FATFS *fs; +#if _FS_EXFAT + _FDID obj; +#endif + DEF_NAMBUF + + + /* Get logical drive */ + res = find_volume(&path, &fs, FA_WRITE); + dj.obj.fs = fs; + if (res == FR_OK) { + INIT_NAMBUF(fs); + res = follow_path(&dj, path); /* Follow the file path */ + if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT)) { + res = FR_INVALID_NAME; /* Cannot remove dot entry */ + } +#if _FS_LOCK != 0 + if (res == FR_OK) res = chk_lock(&dj, 2); /* Check if it is an open object */ +#endif + if (res == FR_OK) { /* The object is accessible */ + if (dj.fn[NSFLAG] & NS_NONAME) { + res = FR_INVALID_NAME; /* Cannot remove the origin directory */ + } else { + if (dj.obj.attr & AM_RDO) { + res = FR_DENIED; /* Cannot remove R/O object */ + } + } + if (res == FR_OK) { +#if _FS_EXFAT + obj.fs = fs; + if (fs->fs_type == FS_EXFAT) { + obj.sclust = dclst = ld_dword(fs->dirbuf + XDIR_FstClus); + obj.objsize = ld_qword(fs->dirbuf + XDIR_FileSize); + obj.stat = fs->dirbuf[XDIR_GenFlags] & 2; + } else +#endif + { + dclst = ld_clust(fs, dj.dir); + } + if (dj.obj.attr & AM_DIR) { /* Is it a sub-directory ? */ +#if _FS_RPATH != 0 + if (dclst == fs->cdir) { /* Is it the current directory? */ + res = FR_DENIED; + } else +#endif + { + sdj.obj.fs = fs; /* Open the sub-directory */ + sdj.obj.sclust = dclst; +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + sdj.obj.objsize = obj.objsize; + sdj.obj.stat = obj.stat; + } +#endif + res = dir_sdi(&sdj, 0); + if (res == FR_OK) { + res = dir_read(&sdj, 0); /* Read an item */ + if (res == FR_OK) res = FR_DENIED; /* Not empty? */ + if (res == FR_NO_FILE) res = FR_OK; /* Empty? */ + } + } + } + } + if (res == FR_OK) { + res = dir_remove(&dj); /* Remove the directory entry */ + if (res == FR_OK && dclst) { /* Remove the cluster chain if exist */ +#if _FS_EXFAT + res = remove_chain(&obj, dclst, 0); +#else + res = remove_chain(&dj.obj, dclst, 0); +#endif + } + if (res == FR_OK) res = sync_fs(fs); + } + } + FREE_NAMBUF(); + } + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Create a Directory */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_mkdir ( + const TCHAR* path /* Pointer to the directory path */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + BYTE *dir; + UINT n; + DWORD dsc, dcl, pcl, tm; + DEF_NAMBUF + + + /* Get logical drive */ + res = find_volume(&path, &fs, FA_WRITE); + dj.obj.fs = fs; + if (res == FR_OK) { + INIT_NAMBUF(fs); + res = follow_path(&dj, path); /* Follow the file path */ + if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */ + if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NSFLAG] & NS_DOT)) { + res = FR_INVALID_NAME; + } + if (res == FR_NO_FILE) { /* Can create a new directory */ + dcl = create_chain(&dj.obj, 0); /* Allocate a cluster for the new directory table */ + dj.obj.objsize = (DWORD)fs->csize * SS(fs); + res = FR_OK; + if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */ + if (dcl == 1) res = FR_INT_ERR; + if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR; + if (res == FR_OK) res = sync_window(fs); /* Flush FAT */ + tm = GET_FATTIME(); + if (res == FR_OK) { /* Initialize the new directory table */ + dsc = clust2sect(fs, dcl); + dir = fs->win; + mem_set(dir, 0, SS(fs)); + if (!_FS_EXFAT || fs->fs_type != FS_EXFAT) { + mem_set(dir + DIR_Name, ' ', 11); /* Create "." entry */ + dir[DIR_Name] = '.'; + dir[DIR_Attr] = AM_DIR; + st_dword(dir + DIR_ModTime, tm); + st_clust(fs, dir, dcl); + mem_cpy(dir + SZDIRE, dir, SZDIRE); /* Create ".." entry */ + dir[SZDIRE + 1] = '.'; pcl = dj.obj.sclust; + if (fs->fs_type == FS_FAT32 && pcl == fs->dirbase) pcl = 0; + st_clust(fs, dir + SZDIRE, pcl); + } + for (n = fs->csize; n; n--) { /* Write dot entries and clear following sectors */ + fs->winsect = dsc++; + fs->wflag = 1; + res = sync_window(fs); + if (res != FR_OK) break; + mem_set(dir, 0, SS(fs)); + } + } + if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */ + if (res == FR_OK) { +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* Initialize directory entry block */ + st_dword(fs->dirbuf + XDIR_ModTime, tm); /* Created time */ + st_dword(fs->dirbuf + XDIR_FstClus, dcl); /* Table start cluster */ + st_dword(fs->dirbuf + XDIR_FileSize, (DWORD)dj.obj.objsize); /* File size needs to be valid */ + st_dword(fs->dirbuf + XDIR_ValidFileSize, (DWORD)dj.obj.objsize); + fs->dirbuf[XDIR_GenFlags] = 3; /* Initialize the object flag (contiguous) */ + fs->dirbuf[XDIR_Attr] = AM_DIR; /* Attribute */ + res = store_xdir(&dj); + } else +#endif + { + dir = dj.dir; + st_dword(dir + DIR_ModTime, tm); /* Created time */ + st_clust(fs, dir, dcl); /* Table start cluster */ + dir[DIR_Attr] = AM_DIR; /* Attribute */ + fs->wflag = 1; + } + if (res == FR_OK) res = sync_fs(fs); + } else { + remove_chain(&dj.obj, dcl, 0); /* Could not register, remove cluster chain */ + } + } + FREE_NAMBUF(); + } + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Rename a File/Directory */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_rename ( + const TCHAR* path_old, /* Pointer to the object name to be renamed */ + const TCHAR* path_new /* Pointer to the new name */ +) +{ + FRESULT res; + DIR djo, djn; + FATFS *fs; + BYTE buf[_FS_EXFAT ? SZDIRE * 2 : 24], *dir; + DWORD dw; + DEF_NAMBUF + + + get_ldnumber(&path_new); /* Ignore drive number of new name */ + res = find_volume(&path_old, &fs, FA_WRITE); /* Get logical drive of the old object */ + if (res == FR_OK) { + djo.obj.fs = fs; + INIT_NAMBUF(fs); + res = follow_path(&djo, path_old); /* Check old object */ + if (res == FR_OK && (djo.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check validity of name */ +#if _FS_LOCK != 0 + if (res == FR_OK) res = chk_lock(&djo, 2); +#endif + if (res == FR_OK) { /* Object to be renamed is found */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* At exFAT */ + BYTE nf, nn; + WORD nh; + + mem_cpy(buf, fs->dirbuf, SZDIRE * 2); /* Save 85+C0 entry of old object */ + mem_cpy(&djn, &djo, sizeof djo); + res = follow_path(&djn, path_new); /* Make sure if new object name is not in use */ + if (res == FR_OK) { /* Is new name already in use by any other object? */ + res = (djn.obj.sclust == djo.obj.sclust && djn.dptr == djo.dptr) ? FR_NO_FILE : FR_EXIST; + } + if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ + res = dir_register(&djn); /* Register the new entry */ + if (res == FR_OK) { + nf = fs->dirbuf[XDIR_NumSec]; nn = fs->dirbuf[XDIR_NumName]; + nh = ld_word(fs->dirbuf + XDIR_NameHash); + mem_cpy(fs->dirbuf, buf, SZDIRE * 2); + fs->dirbuf[XDIR_NumSec] = nf; fs->dirbuf[XDIR_NumName] = nn; + st_word(fs->dirbuf + XDIR_NameHash, nh); +/* Start of critical section where any interruption can cause a cross-link */ + res = store_xdir(&djn); + } + } + } else +#endif + { /* At FAT12/FAT16/FAT32 */ + mem_cpy(buf, djo.dir + DIR_Attr, 21); /* Save information about the object except name */ + mem_cpy(&djn, &djo, sizeof (DIR)); /* Duplicate the directory object */ + res = follow_path(&djn, path_new); /* Make sure if new object name is not in use */ + if (res == FR_OK) { /* Is new name already in use by any other object? */ + res = (djn.obj.sclust == djo.obj.sclust && djn.dptr == djo.dptr) ? FR_NO_FILE : FR_EXIST; + } + if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ + res = dir_register(&djn); /* Register the new entry */ + if (res == FR_OK) { + dir = djn.dir; /* Copy information about object except name */ + mem_cpy(dir + 13, buf + 2, 19); + dir[DIR_Attr] = buf[0] | AM_ARC; + fs->wflag = 1; + if ((dir[DIR_Attr] & AM_DIR) && djo.obj.sclust != djn.obj.sclust) { /* Update .. entry in the sub-directory if needed */ + dw = clust2sect(fs, ld_clust(fs, dir)); + if (!dw) { + res = FR_INT_ERR; + } else { +/* Start of critical section where any interruption can cause a cross-link */ + res = move_window(fs, dw); + dir = fs->win + SZDIRE * 1; /* Ptr to .. entry */ + if (res == FR_OK && dir[1] == '.') { + st_clust(fs, dir, djn.obj.sclust); + fs->wflag = 1; + } + } + } + } + } + } + if (res == FR_OK) { + res = dir_remove(&djo); /* Remove old entry */ + if (res == FR_OK) { + res = sync_fs(fs); + } + } +/* End of critical section */ + } + FREE_NAMBUF(); + } + + LEAVE_FF(fs, res); +} + +#endif /* !_FS_READONLY */ +#endif /* _FS_MINIMIZE == 0 */ +#endif /* _FS_MINIMIZE <= 1 */ +#endif /* _FS_MINIMIZE <= 2 */ + + + +#if _USE_CHMOD && !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Change Attribute */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_chmod ( + const TCHAR* path, /* Pointer to the file path */ + BYTE attr, /* Attribute bits */ + BYTE mask /* Attribute mask to change */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + DEF_NAMBUF + + + res = find_volume(&path, &fs, FA_WRITE); /* Get logical drive */ + dj.obj.fs = fs; + if (res == FR_OK) { + INIT_NAMBUF(fs); + res = follow_path(&dj, path); /* Follow the file path */ + if (res == FR_OK && (dj.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check object validity */ + if (res == FR_OK) { + mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC; /* Valid attribute mask */ +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + fs->dirbuf[XDIR_Attr] = (attr & mask) | (fs->dirbuf[XDIR_Attr] & (BYTE)~mask); /* Apply attribute change */ + res = store_xdir(&dj); + } else +#endif + { + dj.dir[DIR_Attr] = (attr & mask) | (dj.dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */ + fs->wflag = 1; + } + if (res == FR_OK) res = sync_fs(fs); + } + FREE_NAMBUF(); + } + + LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Change Timestamp */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_utime ( + const TCHAR* path, /* Pointer to the file/directory name */ + const FILINFO* fno /* Pointer to the time stamp to be set */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + DEF_NAMBUF + + + res = find_volume(&path, &fs, FA_WRITE); /* Get logical drive */ + dj.obj.fs = fs; + if (res == FR_OK) { + INIT_NAMBUF(fs); + res = follow_path(&dj, path); /* Follow the file path */ + if (res == FR_OK && (dj.fn[NSFLAG] & (NS_DOT | NS_NONAME))) res = FR_INVALID_NAME; /* Check object validity */ + if (res == FR_OK) { +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + st_dword(fs->dirbuf + XDIR_ModTime, (DWORD)fno->fdate << 16 | fno->ftime); + res = store_xdir(&dj); + } else +#endif + { + st_dword(dj.dir + DIR_ModTime, (DWORD)fno->fdate << 16 | fno->ftime); + fs->wflag = 1; + } + if (res == FR_OK) res = sync_fs(fs); + } + FREE_NAMBUF(); + } + + LEAVE_FF(fs, res); +} + +#endif /* _USE_CHMOD && !_FS_READONLY */ + + + +#if _USE_LABEL +/*-----------------------------------------------------------------------*/ +/* Get Volume Label */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_getlabel ( + const TCHAR* path, /* Path name of the logical drive number */ + TCHAR* label, /* Pointer to a buffer to return the volume label */ + DWORD* vsn /* Pointer to a variable to return the volume serial number */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + UINT si, di; +#if _LFN_UNICODE || _FS_EXFAT + WCHAR w; +#endif + + /* Get logical drive */ + res = find_volume(&path, &fs, 0); + + /* Get volume label */ + if (res == FR_OK && label) { + dj.obj.fs = fs; dj.obj.sclust = 0; /* Open root directory */ + res = dir_sdi(&dj, 0); + if (res == FR_OK) { + res = dir_read(&dj, 1); /* Find a volume label entry */ + if (res == FR_OK) { +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + for (si = di = 0; si < dj.dir[XDIR_NumLabel]; si++) { /* Extract volume label from 83 entry */ + w = ld_word(dj.dir + XDIR_Label + si * 2); +#if _LFN_UNICODE + label[di++] = w; +#else + w = ff_convert(w, 0); /* Unicode -> OEM */ + if (w == 0) w = '?'; /* Replace wrong character */ + if (_DF1S && w >= 0x100) label[di++] = (char)(w >> 8); + label[di++] = (char)w; +#endif + } + label[di] = 0; + } else +#endif + { + si = di = 0; /* Extract volume label from AM_VOL entry with code comversion */ + do { +#if _LFN_UNICODE + w = (si < 11) ? dj.dir[si++] : ' '; + if (IsDBCS1(w) && si < 11 && IsDBCS2(dj.dir[si])) { + w = w << 8 | dj.dir[si++]; + } + label[di++] = ff_convert(w, 1); /* OEM -> Unicode */ +#else + label[di++] = dj.dir[si++]; +#endif + } while (di < 11); + do { /* Truncate trailing spaces */ + label[di] = 0; + if (di == 0) break; + } while (label[--di] == ' '); + } + } + } + if (res == FR_NO_FILE) { /* No label entry and return nul string */ + label[0] = 0; + res = FR_OK; + } + } + + /* Get volume serial number */ + if (res == FR_OK && vsn) { + res = move_window(fs, fs->volbase); + if (res == FR_OK) { + switch (fs->fs_type) { + case FS_EXFAT: di = BPB_VolIDEx; break; + case FS_FAT32: di = BS_VolID32; break; + default: di = BS_VolID; + } + *vsn = ld_dword(fs->win + di); + } + } + + LEAVE_FF(fs, res); +} + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Set Volume Label */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_setlabel ( + const TCHAR* label /* Pointer to the volume label to set */ +) +{ + FRESULT res; + DIR dj; + FATFS *fs; + BYTE dirvn[22]; + UINT i, j, slen; + WCHAR w; + static const char badchr[] = "\"*+,.:;<=>\?[]|\x7F"; + + + /* Get logical drive */ + res = find_volume(&label, &fs, FA_WRITE); + if (res != FR_OK) LEAVE_FF(fs, res); + dj.obj.fs = fs; + + /* Get length of given volume label */ + for (slen = 0; (UINT)label[slen] >= ' '; slen++) ; /* Get name length */ + +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { /* On the exFAT volume */ + for (i = j = 0; i < slen; ) { /* Create volume label in directory form */ + w = label[i++]; +#if !_LFN_UNICODE + if (IsDBCS1(w)) { + w = (i < slen && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0; + } + w = ff_convert(w, 1); +#endif + if (w == 0 || chk_chr(badchr, w) || j == 22) { /* Check validity check validity of the volume label */ + LEAVE_FF(fs, FR_INVALID_NAME); + } + st_word(dirvn + j, w); j += 2; + } + slen = j; + } else +#endif + { /* On the FAT12/16/32 volume */ + for ( ; slen && label[slen - 1] == ' '; slen--) ; /* Remove trailing spaces */ + if (slen) { /* Is there a volume label to be set? */ + dirvn[0] = 0; i = j = 0; /* Create volume label in directory form */ + do { +#if _LFN_UNICODE + w = ff_convert(ff_wtoupper(label[i++]), 0); +#else + w = (BYTE)label[i++]; + if (IsDBCS1(w)) { + w = (j < 10 && i < slen && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0; + } +#if _USE_LFN != 0 + w = ff_convert(ff_wtoupper(ff_convert(w, 1)), 0); +#else + if (IsLower(w)) w -= 0x20; /* To upper ASCII characters */ +#ifdef _EXCVT + if (w >= 0x80) w = ExCvt[w - 0x80]; /* To upper extended characters (SBCS cfg) */ +#else + if (!_DF1S && w >= 0x80) w = 0; /* Reject extended characters (ASCII cfg) */ +#endif +#endif +#endif + if (w == 0 || chk_chr(badchr, w) || j >= (UINT)((w >= 0x100) ? 10 : 11)) { /* Reject invalid characters for volume label */ + LEAVE_FF(fs, FR_INVALID_NAME); + } + if (w >= 0x100) dirvn[j++] = (BYTE)(w >> 8); + dirvn[j++] = (BYTE)w; + } while (i < slen); + while (j < 11) dirvn[j++] = ' '; /* Fill remaining name field */ + if (dirvn[0] == DDEM) LEAVE_FF(fs, FR_INVALID_NAME); /* Reject illegal name (heading DDEM) */ + } + } + + /* Set volume label */ + dj.obj.sclust = 0; /* Open root directory */ + res = dir_sdi(&dj, 0); + if (res == FR_OK) { + res = dir_read(&dj, 1); /* Get volume label entry */ + if (res == FR_OK) { + if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { + dj.dir[XDIR_NumLabel] = (BYTE)(slen / 2); /* Change the volume label */ + mem_cpy(dj.dir + XDIR_Label, dirvn, slen); + } else { + if (slen) { + mem_cpy(dj.dir, dirvn, 11); /* Change the volume label */ + } else { + dj.dir[DIR_Name] = DDEM; /* Remove the volume label */ + } + } + fs->wflag = 1; + res = sync_fs(fs); + } else { /* No volume label entry is found or error */ + if (res == FR_NO_FILE) { + res = FR_OK; + if (slen) { /* Create a volume label entry */ + res = dir_alloc(&dj, 1); /* Allocate an entry */ + if (res == FR_OK) { + mem_set(dj.dir, 0, SZDIRE); /* Clear the entry */ + if (_FS_EXFAT && fs->fs_type == FS_EXFAT) { + dj.dir[XDIR_Type] = 0x83; /* Create 83 entry */ + dj.dir[XDIR_NumLabel] = (BYTE)(slen / 2); + mem_cpy(dj.dir + XDIR_Label, dirvn, slen); + } else { + dj.dir[DIR_Attr] = AM_VOL; /* Create volume label entry */ + mem_cpy(dj.dir, dirvn, 11); + } + fs->wflag = 1; + res = sync_fs(fs); + } + } + } + } + } + + LEAVE_FF(fs, res); +} + +#endif /* !_FS_READONLY */ +#endif /* _USE_LABEL */ + + + +#if _USE_EXPAND && !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Allocate a Contiguous Blocks to the File */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_expand ( + FIL* fp, /* Pointer to the file object */ + FSIZE_t fsz, /* File size to be expanded to */ + BYTE opt /* Operation mode 0:Find and prepare or 1:Find and allocate */ +) +{ + FRESULT res; + FATFS *fs; + DWORD n, clst, stcl, scl, ncl, tcl, lclst; + + + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); + if (fsz == 0 || fp->obj.objsize != 0 || !(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED); +#if _FS_EXFAT + if (fs->fs_type != FS_EXFAT && fsz >= 0x100000000) LEAVE_FF(fs, FR_DENIED); /* Check if in size limit */ +#endif + n = (DWORD)fs->csize * SS(fs); /* Cluster size */ + tcl = (DWORD)(fsz / n) + ((fsz & (n - 1)) ? 1 : 0); /* Number of clusters required */ + stcl = fs->last_clst; lclst = 0; + if (stcl < 2 || stcl >= fs->n_fatent) stcl = 2; + +#if _FS_EXFAT + if (fs->fs_type == FS_EXFAT) { + scl = find_bitmap(fs, stcl, tcl); /* Find a contiguous cluster block */ + if (scl == 0) res = FR_DENIED; /* No contiguous cluster block was found */ + if (scl == 0xFFFFFFFF) res = FR_DISK_ERR; + if (res == FR_OK) { + if (opt) { + res = change_bitmap(fs, scl, tcl, 1); /* Mark the cluster block 'in use' */ + lclst = scl + tcl - 1; + } else { + lclst = scl - 1; + } + } + } else +#endif + { + scl = clst = stcl; ncl = 0; + for (;;) { /* Find a contiguous cluster block */ + n = get_fat(&fp->obj, clst); + if (++clst >= fs->n_fatent) clst = 2; + if (n == 1) { res = FR_INT_ERR; break; } + if (n == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } + if (n == 0) { /* Is it a free cluster? */ + if (++ncl == tcl) break; /* Break if a contiguous cluster block is found */ + } else { + scl = clst; ncl = 0; /* Not a free cluster */ + } + if (clst == stcl) { res = FR_DENIED; break; } /* No contiguous cluster? */ + } + if (res == FR_OK) { + if (opt) { + for (clst = scl, n = tcl; n; clst++, n--) { /* Create a cluster chain on the FAT */ + res = put_fat(fs, clst, (n == 1) ? 0xFFFFFFFF : clst + 1); + if (res != FR_OK) break; + lclst = clst; + } + } else { + lclst = scl - 1; + } + } + } + + if (res == FR_OK) { + fs->last_clst = lclst; /* Set suggested start cluster to start next */ + if (opt) { + fp->obj.sclust = scl; /* Update object allocation information */ + fp->obj.objsize = fsz; + if (_FS_EXFAT) fp->obj.stat = 2; /* Set status 'contiguous chain' */ + fp->flag |= FA_MODIFIED; + if (fs->free_clst < fs->n_fatent - 2) { /* Update FSINFO */ + fs->free_clst -= tcl; + fs->fsi_flag |= 1; + } + } + } + + LEAVE_FF(fs, res); +} + +#endif /* _USE_EXPAND && !_FS_READONLY */ + + + +#if _USE_FORWARD +/*-----------------------------------------------------------------------*/ +/* Forward data to the stream directly */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_forward ( + FIL* fp, /* Pointer to the file object */ + UINT (*func)(const BYTE*,UINT), /* Pointer to the streaming function */ + UINT btf, /* Number of bytes to forward */ + UINT* bf /* Pointer to number of bytes forwarded */ +) +{ + FRESULT res; + FATFS *fs; + DWORD clst, sect; + FSIZE_t remain; + UINT rcnt, csect; + BYTE *dbuf; + + + *bf = 0; /* Clear transfer byte counter */ + res = validate(&fp->obj, &fs); /* Check validity of the file object */ + if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) LEAVE_FF(fs, res); + if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */ + + remain = fp->obj.objsize - fp->fptr; + if (btf > remain) btf = (UINT)remain; /* Truncate btf by remaining bytes */ + + for ( ; btf && (*func)(0, 0); /* Repeat until all data transferred or stream goes busy */ + fp->fptr += rcnt, *bf += rcnt, btf -= rcnt) { + csect = (UINT)(fp->fptr / SS(fs) & (fs->csize - 1)); /* Sector offset in the cluster */ + if (fp->fptr % SS(fs) == 0) { /* On the sector boundary? */ + if (csect == 0) { /* On the cluster boundary? */ + clst = (fp->fptr == 0) ? /* On the top of the file? */ + fp->obj.sclust : get_fat(&fp->obj, fp->clust); + if (clst <= 1) ABORT(fs, FR_INT_ERR); + if (clst == 0xFFFFFFFF) ABORT(fs, FR_DISK_ERR); + fp->clust = clst; /* Update current cluster */ + } + } + sect = clust2sect(fs, fp->clust); /* Get current data sector */ + if (!sect) ABORT(fs, FR_INT_ERR); + sect += csect; +#if _FS_TINY + if (move_window(fs, sect) != FR_OK) ABORT(fs, FR_DISK_ERR); /* Move sector window to the file data */ + dbuf = fs->win; +#else + if (fp->sect != sect) { /* Fill sector cache with file data */ +#if !_FS_READONLY + if (fp->flag & FA_DIRTY) { /* Write-back dirty sector cache */ + if (disk_write(fs->drv, fp->buf, fp->sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); + fp->flag &= (BYTE)~FA_DIRTY; + } +#endif + if (disk_read(fs->drv, fp->buf, sect, 1) != RES_OK) ABORT(fs, FR_DISK_ERR); + } + dbuf = fp->buf; +#endif + fp->sect = sect; + rcnt = SS(fs) - (UINT)fp->fptr % SS(fs); /* Number of bytes left in the sector */ + if (rcnt > btf) rcnt = btf; /* Clip it by btr if needed */ + rcnt = (*func)(dbuf + ((UINT)fp->fptr % SS(fs)), rcnt); /* Forward the file data */ + if (!rcnt) ABORT(fs, FR_INT_ERR); + } + + LEAVE_FF(fs, FR_OK); +} +#endif /* _USE_FORWARD */ + + + +#if _USE_MKFS && !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Create FAT file system on the logical drive */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_mkfs ( + const TCHAR* path, /* Logical drive number */ + BYTE opt, /* Format option */ + DWORD au, /* Size of allocation unit [byte] */ + void* work, /* Pointer to working buffer */ + UINT len /* Size of working buffer */ +) +{ + const UINT n_fats = 1; /* Number of FATs for FAT12/16/32 volume (1 or 2) */ + const UINT n_rootdir = 512; /* Number of root directory entries for FAT12/16 volume */ + static const WORD cst[] = {1, 4, 16, 64, 256, 512, 0}; /* Cluster size boundary for FAT12/16 volume (4Ks unit) */ + static const WORD cst32[] = {1, 2, 4, 8, 16, 32, 0}; /* Cluster size boundary for FAT32 volume (128Ks unit) */ + BYTE fmt, sys, *buf, *pte, pdrv, part; + WORD ss; + DWORD szb_buf, sz_buf, sz_blk, n_clst, pau, sect, nsect, n; + DWORD b_vol, b_fat, b_data; /* Base LBA for volume, fat, data */ + DWORD sz_vol, sz_rsv, sz_fat, sz_dir; /* Size for volume, fat, dir, data */ + UINT i; + int vol; + DSTATUS stat; +#if _USE_TRIM || _FS_EXFAT + DWORD tbl[3]; +#endif + + + /* Check mounted drive and clear work area */ + vol = get_ldnumber(&path); /* Get target logical drive */ + if (vol < 0) return FR_INVALID_DRIVE; + if (FatFs[vol]) FatFs[vol]->fs_type = 0; /* Clear mounted volume */ + pdrv = LD2PD(vol); /* Physical drive */ + part = LD2PT(vol); /* Partition (0:create as new, 1-4:get from partition table) */ + + /* Check physical drive status */ + stat = disk_initialize(pdrv); + if (stat & STA_NOINIT) return FR_NOT_READY; + if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; + if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &sz_blk) != RES_OK || !sz_blk || sz_blk > 32768 || (sz_blk & (sz_blk - 1))) sz_blk = 1; /* Erase block to align data area */ +#if _MAX_SS != _MIN_SS /* Get sector size of the medium */ + if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &ss) != RES_OK) return FR_DISK_ERR; + if (ss > _MAX_SS || ss < _MIN_SS || (ss & (ss - 1))) return FR_DISK_ERR; +#else + ss = _MAX_SS; +#endif + if ((au != 0 && au < ss) || au > 0x1000000 || (au & (au - 1))) return FR_INVALID_PARAMETER; /* Check if au is valid */ + au /= ss; /* Cluster size in unit of sector */ + + /* Get working buffer */ + buf = (BYTE*)work; /* Working buffer */ + sz_buf = len / ss; /* Size of working buffer (sector) */ + szb_buf = sz_buf * ss; /* Size of working buffer (byte) */ + if (!szb_buf) return FR_MKFS_ABORTED; + + /* Determine where the volume to be located (b_vol, sz_vol) */ + if (_MULTI_PARTITION && part != 0) { + /* Get partition information from partition table in the MBR */ + if (disk_read(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Load MBR */ + if (ld_word(buf + BS_55AA) != 0xAA55) return FR_MKFS_ABORTED; /* Check if MBR is valid */ + pte = buf + (MBR_Table + (part - 1) * SZ_PTE); + if (!pte[PTE_System]) return FR_MKFS_ABORTED; /* No partition? */ + b_vol = ld_dword(pte + PTE_StLba); /* Get volume start sector */ + sz_vol = ld_dword(pte + PTE_SizLba); /* Get volume size */ + } else { + /* Create a single-partition in this function */ + if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_vol) != RES_OK) return FR_DISK_ERR; + b_vol = (opt & FM_SFD) ? 0 : 63; /* Volume start sector */ + if (sz_vol < b_vol) return FR_MKFS_ABORTED; + sz_vol -= b_vol; /* Volume size */ + } + if (sz_vol < 128) return FR_MKFS_ABORTED; /* Check if volume size is >=128s */ + + /* Pre-determine the FAT type */ + do { + if (_FS_EXFAT && (opt & FM_EXFAT)) { /* exFAT possible? */ + if ((opt & FM_ANY) == FM_EXFAT || sz_vol >= 0x4000000 || au > 128) { /* exFAT only, vol >= 64Ms or au > 128s ? */ + fmt = FS_EXFAT; break; + } + } + if (au > 128) return FR_INVALID_PARAMETER; /* Too large au for FAT/FAT32 */ + if (opt & FM_FAT32) { /* FAT32 possible? */ + if ((opt & FM_ANY) == FM_FAT32 || !(opt & FM_FAT)) { /* FAT32 only or no-FAT? */ + fmt = FS_FAT32; break; + } + } + if (!(opt & FM_FAT)) return FR_INVALID_PARAMETER; /* no-FAT? */ + fmt = FS_FAT16; + } while (0); + +#if _FS_EXFAT + if (fmt == FS_EXFAT) { /* Create an exFAT volume */ + DWORD szb_bit, szb_case, sum, nb, cl; + WCHAR ch, si; + UINT j, st; + BYTE b; + + if (sz_vol < 0x1000) return FR_MKFS_ABORTED; /* Too small volume? */ +#if _USE_TRIM + tbl[0] = b_vol; tbl[1] = b_vol + sz_vol - 1; /* Inform the device the volume area can be erased */ + disk_ioctl(pdrv, CTRL_TRIM, tbl); +#endif + /* Determine FAT location, data location and number of clusters */ + if (!au) { /* au auto-selection */ + au = 8; + if (sz_vol >= 0x80000) au = 64; /* >= 512Ks */ + if (sz_vol >= 0x4000000) au = 256; /* >= 64Ms */ + } + b_fat = b_vol + 32; /* FAT start at offset 32 */ + sz_fat = ((sz_vol / au + 2) * 4 + ss - 1) / ss; /* Number of FAT sectors */ + b_data = (b_fat + sz_fat + sz_blk - 1) & ~(sz_blk - 1); /* Align data area to the erase block boundary */ + if (b_data >= sz_vol / 2) return FR_MKFS_ABORTED; /* Too small volume? */ + n_clst = (sz_vol - (b_data - b_vol)) / au; /* Number of clusters */ + if (n_clst <16) return FR_MKFS_ABORTED; /* Too few clusters? */ + if (n_clst > MAX_EXFAT) return FR_MKFS_ABORTED; /* Too many clusters? */ + + szb_bit = (n_clst + 7) / 8; /* Size of allocation bitmap */ + tbl[0] = (szb_bit + au * ss - 1) / (au * ss); /* Number of allocation bitmap clusters */ + + /* Create a compressed up-case table */ + sect = b_data + au * tbl[0]; /* Table start sector */ + sum = 0; /* Table checksum to be stored in the 82 entry */ + st = si = i = j = szb_case = 0; + do { + switch (st) { + case 0: + ch = ff_wtoupper(si); /* Get an up-case char */ + if (ch != si) { + si++; break; /* Store the up-case char if exist */ + } + for (j = 1; (WCHAR)(si + j) && (WCHAR)(si + j) == ff_wtoupper((WCHAR)(si + j)); j++) ; /* Get run length of no-case block */ + if (j >= 128) { + ch = 0xFFFF; st = 2; break; /* Compress the no-case block if run is >= 128 */ + } + st = 1; /* Do not compress short run */ + /* continue */ + case 1: + ch = si++; /* Fill the short run */ + if (--j == 0) st = 0; + break; + default: + ch = (WCHAR)j; si += j; /* Number of chars to skip */ + st = 0; + } + sum = xsum32(buf[i + 0] = (BYTE)ch, sum); /* Put it into the write buffer */ + sum = xsum32(buf[i + 1] = (BYTE)(ch >> 8), sum); + i += 2; szb_case += 2; + if (!si || i == szb_buf) { /* Write buffered data when buffer full or end of process */ + n = (i + ss - 1) / ss; + if (disk_write(pdrv, buf, sect, n) != RES_OK) return FR_DISK_ERR; + sect += n; i = 0; + } + } while (si); + tbl[1] = (szb_case + au * ss - 1) / (au * ss); /* Number of up-case table clusters */ + tbl[2] = 1; /* Number of root dir clusters */ + + /* Initialize the allocation bitmap */ + sect = b_data; nsect = (szb_bit + ss - 1) / ss; /* Start of bitmap and number of sectors */ + nb = tbl[0] + tbl[1] + tbl[2]; /* Number of clusters in-use by system */ + do { + mem_set(buf, 0, szb_buf); + for (i = 0; nb >= 8 && i < szb_buf; buf[i++] = 0xFF, nb -= 8) ; + for (b = 1; nb && i < szb_buf; buf[i] |= b, b <<= 1, nb--) ; + n = (nsect > sz_buf) ? sz_buf : nsect; /* Write the buffered data */ + if (disk_write(pdrv, buf, sect, n) != RES_OK) return FR_DISK_ERR; + sect += n; nsect -= n; + } while (nsect); + + /* Initialize the FAT */ + sect = b_fat; nsect = sz_fat; /* Start of FAT and number of FAT sectors */ + j = nb = cl = 0; + do { + mem_set(buf, 0, szb_buf); i = 0; /* Clear work area and reset write index */ + if (cl == 0) { /* Set entry 0 and 1 */ + st_dword(buf + i, 0xFFFFFFF8); i += 4; cl++; + st_dword(buf + i, 0xFFFFFFFF); i += 4; cl++; + } + do { /* Create chains of bitmap, up-case and root dir */ + while (nb && i < szb_buf) { /* Create a chain */ + st_dword(buf + i, (nb > 1) ? cl + 1 : 0xFFFFFFFF); + i += 4; cl++; nb--; + } + if (!nb && j < 3) nb = tbl[j++]; /* Next chain */ + } while (nb && i < szb_buf); + n = (nsect > sz_buf) ? sz_buf : nsect; /* Write the buffered data */ + if (disk_write(pdrv, buf, sect, n) != RES_OK) return FR_DISK_ERR; + sect += n; nsect -= n; + } while (nsect); + + /* Initialize the root directory */ + mem_set(buf, 0, szb_buf); + buf[SZDIRE * 0 + 0] = 0x83; /* 83 entry (volume label) */ + buf[SZDIRE * 1 + 0] = 0x81; /* 81 entry (allocation bitmap) */ + st_dword(buf + SZDIRE * 1 + 20, 2); + st_dword(buf + SZDIRE * 1 + 24, szb_bit); + buf[SZDIRE * 2 + 0] = 0x82; /* 82 entry (up-case table) */ + st_dword(buf + SZDIRE * 2 + 4, sum); + st_dword(buf + SZDIRE * 2 + 20, 2 + tbl[0]); + st_dword(buf + SZDIRE * 2 + 24, szb_case); + sect = b_data + au * (tbl[0] + tbl[1]); nsect = au; /* Start of the root directory and number of sectors */ + do { /* Fill root directory sectors */ + n = (nsect > sz_buf) ? sz_buf : nsect; + if (disk_write(pdrv, buf, sect, n) != RES_OK) return FR_DISK_ERR; + mem_set(buf, 0, ss); + sect += n; nsect -= n; + } while (nsect); + + /* Create two set of the exFAT VBR blocks */ + sect = b_vol; + for (n = 0; n < 2; n++) { + /* Main record (+0) */ + mem_set(buf, 0, ss); + mem_cpy(buf + BS_JmpBoot, "\xEB\x76\x90" "EXFAT ", 11); /* Boot jump code (x86), OEM name */ + st_dword(buf + BPB_VolOfsEx, b_vol); /* Volume offset in the physical drive [sector] */ + st_dword(buf + BPB_TotSecEx, sz_vol); /* Volume size [sector] */ + st_dword(buf + BPB_FatOfsEx, b_fat - b_vol); /* FAT offset [sector] */ + st_dword(buf + BPB_FatSzEx, sz_fat); /* FAT size [sector] */ + st_dword(buf + BPB_DataOfsEx, b_data - b_vol); /* Data offset [sector] */ + st_dword(buf + BPB_NumClusEx, n_clst); /* Number of clusters */ + st_dword(buf + BPB_RootClusEx, 2 + tbl[0] + tbl[1]); /* Root dir cluster # */ + st_dword(buf + BPB_VolIDEx, GET_FATTIME()); /* VSN */ + st_word(buf + BPB_FSVerEx, 0x100); /* File system version (1.00) */ + for (buf[BPB_BytsPerSecEx] = 0, i = ss; i >>= 1; buf[BPB_BytsPerSecEx]++) ; /* Log2 of sector size [byte] */ + for (buf[BPB_SecPerClusEx] = 0, i = au; i >>= 1; buf[BPB_SecPerClusEx]++) ; /* Log2 of cluster size [sector] */ + buf[BPB_NumFATsEx] = 1; /* Number of FATs */ + buf[BPB_DrvNumEx] = 0x80; /* Drive number (for int13) */ + st_word(buf + BS_BootCodeEx, 0xFEEB); /* Boot code (x86) */ + st_word(buf + BS_55AA, 0xAA55); /* Signature (placed here regardless of sector size) */ + for (i = sum = 0; i < ss; i++) { /* VBR checksum */ + if (i != BPB_VolFlagEx && i != BPB_VolFlagEx + 1 && i != BPB_PercInUseEx) sum = xsum32(buf[i], sum); + } + if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; + /* Extended bootstrap record (+1..+8) */ + mem_set(buf, 0, ss); + st_word(buf + ss - 2, 0xAA55); /* Signature (placed at end of sector) */ + for (j = 1; j < 9; j++) { + for (i = 0; i < ss; sum = xsum32(buf[i++], sum)) ; /* VBR checksum */ + if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; + } + /* OEM/Reserved record (+9..+10) */ + mem_set(buf, 0, ss); + for ( ; j < 11; j++) { + for (i = 0; i < ss; sum = xsum32(buf[i++], sum)) ; /* VBR checksum */ + if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; + } + /* Sum record (+11) */ + for (i = 0; i < ss; i += 4) st_dword(buf + i, sum); /* Fill with checksum value */ + if (disk_write(pdrv, buf, sect++, 1) != RES_OK) return FR_DISK_ERR; + } + + } else +#endif /* _FS_EXFAT */ + { /* Create an FAT12/16/32 volume */ + do { + pau = au; + /* Pre-determine number of clusters and FAT sub-type */ + if (fmt == FS_FAT32) { /* FAT32 volume */ + if (!pau) { /* au auto-selection */ + n = sz_vol / 0x20000; /* Volume size in unit of 128KS */ + for (i = 0, pau = 1; cst32[i] && cst32[i] <= n; i++, pau <<= 1) ; /* Get from table */ + } + n_clst = sz_vol / pau; /* Number of clusters */ + sz_fat = (n_clst * 4 + 8 + ss - 1) / ss; /* FAT size [sector] */ + sz_rsv = 32; /* Number of reserved sectors */ + sz_dir = 0; /* No static directory */ + if (n_clst <= MAX_FAT16 || n_clst > MAX_FAT32) return FR_MKFS_ABORTED; + } else { /* FAT12/16 volume */ + if (!pau) { /* au auto-selection */ + n = sz_vol / 0x1000; /* Volume size in unit of 4KS */ + for (i = 0, pau = 1; cst[i] && cst[i] <= n; i++, pau <<= 1) ; /* Get from table */ + } + n_clst = sz_vol / pau; + if (n_clst > MAX_FAT12) { + n = n_clst * 2 + 4; /* FAT size [byte] */ + } else { + fmt = FS_FAT12; + n = (n_clst * 3 + 1) / 2 + 3; /* FAT size [byte] */ + } + sz_fat = (n + ss - 1) / ss; /* FAT size [sector] */ + sz_rsv = 1; /* Number of reserved sectors */ + sz_dir = (DWORD)n_rootdir * SZDIRE / ss; /* Rootdir size [sector] */ + } + b_fat = b_vol + sz_rsv; /* FAT base */ + b_data = b_fat + sz_fat * n_fats + sz_dir; /* Data base */ + + /* Align data base to erase block boundary (for flash memory media) */ + n = ((b_data + sz_blk - 1) & ~(sz_blk - 1)) - b_data; /* Next nearest erase block from current data base */ + if (fmt == FS_FAT32) { /* FAT32: Move FAT base */ + sz_rsv += n; b_fat += n; + } else { /* FAT12/16: Expand FAT size */ + sz_fat += n / n_fats; + } + + /* Determine number of clusters and final check of validity of the FAT sub-type */ + if (sz_vol < b_data + pau * 16 - b_vol) return FR_MKFS_ABORTED; /* Too small volume */ + n_clst = (sz_vol - sz_rsv - sz_fat * n_fats - sz_dir) / pau; + if (fmt == FS_FAT32) { + if (n_clst <= MAX_FAT16) { /* Too few clusters for FAT32 */ + if (!au && (au = pau / 2) != 0) continue; /* Adjust cluster size and retry */ + return FR_MKFS_ABORTED; + } + } + if (fmt == FS_FAT16) { + if (n_clst > MAX_FAT16) { /* Too many clusters for FAT16 */ + if (!au && (pau * 2) <= 64) { + au = pau * 2; continue; /* Adjust cluster size and retry */ + } + if ((opt & FM_FAT32)) { + fmt = FS_FAT32; continue; /* Switch type to FAT32 and retry */ + } + if (!au && (au = pau * 2) <= 128) continue; /* Adjust cluster size and retry */ + return FR_MKFS_ABORTED; + } + if (n_clst <= MAX_FAT12) { /* Too few clusters for FAT16 */ + if (!au && (au = pau * 2) <= 128) continue; /* Adjust cluster size and retry */ + return FR_MKFS_ABORTED; + } + } + if (fmt == FS_FAT12 && n_clst > MAX_FAT12) return FR_MKFS_ABORTED; /* Too many clusters for FAT12 */ + + /* Ok, it is the valid cluster configuration */ + break; + } while (1); + +#if _USE_TRIM + tbl[0] = b_vol; tbl[1] = b_vol + sz_vol - 1; /* Inform the device the volume area can be erased */ + disk_ioctl(pdrv, CTRL_TRIM, tbl); +#endif + /* Create FAT VBR */ + mem_set(buf, 0, ss); + mem_cpy(buf + BS_JmpBoot, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code (x86), OEM name */ + st_word(buf + BPB_BytsPerSec, ss); /* Sector size [byte] */ + buf[BPB_SecPerClus] = (BYTE)pau; /* Cluster size [sector] */ + st_word(buf + BPB_RsvdSecCnt, (WORD)sz_rsv); /* Size of reserved area */ + buf[BPB_NumFATs] = (BYTE)n_fats; /* Number of FATs */ + st_word(buf + BPB_RootEntCnt, (WORD)((fmt == FS_FAT32) ? 0 : n_rootdir)); /* Number of root directory entries */ + if (sz_vol < 0x10000) { + st_word(buf + BPB_TotSec16, (WORD)sz_vol); /* Volume size in 16-bit LBA */ + } else { + st_dword(buf + BPB_TotSec32, sz_vol); /* Volume size in 32-bit LBA */ + } + buf[BPB_Media] = 0xF8; /* Media descriptor byte */ + st_word(buf + BPB_SecPerTrk, 63); /* Number of sectors per track (for int13) */ + st_word(buf + BPB_NumHeads, 255); /* Number of heads (for int13) */ + st_dword(buf + BPB_HiddSec, b_vol); /* Volume offset in the physical drive [sector] */ + if (fmt == FS_FAT32) { + st_dword(buf + BS_VolID32, GET_FATTIME()); /* VSN */ + st_dword(buf + BPB_FATSz32, sz_fat); /* FAT size [sector] */ + st_dword(buf + BPB_RootClus32, 2); /* Root directory cluster # (2) */ + st_word(buf + BPB_FSInfo32, 1); /* Offset of FSINFO sector (VBR + 1) */ + st_word(buf + BPB_BkBootSec32, 6); /* Offset of backup VBR (VBR + 6) */ + buf[BS_DrvNum32] = 0x80; /* Drive number (for int13) */ + buf[BS_BootSig32] = 0x29; /* Extended boot signature */ + mem_cpy(buf + BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */ + } else { + st_dword(buf + BS_VolID, GET_FATTIME()); /* VSN */ + st_word(buf + BPB_FATSz16, (WORD)sz_fat); /* FAT size [sector] */ + buf[BS_DrvNum] = 0x80; /* Drive number (for int13) */ + buf[BS_BootSig] = 0x29; /* Extended boot signature */ + mem_cpy(buf + BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */ + } + st_word(buf + BS_55AA, 0xAA55); /* Signature (offset is fixed here regardless of sector size) */ + if (disk_write(pdrv, buf, b_vol, 1) != RES_OK) return FR_DISK_ERR; /* Write it to the VBR sector */ + + /* Create FSINFO record if needed */ + if (fmt == FS_FAT32) { + disk_write(pdrv, buf, b_vol + 6, 1); /* Write backup VBR (VBR + 6) */ + mem_set(buf, 0, ss); + st_dword(buf + FSI_LeadSig, 0x41615252); + st_dword(buf + FSI_StrucSig, 0x61417272); + st_dword(buf + FSI_Free_Count, n_clst - 1); /* Number of free clusters */ + st_dword(buf + FSI_Nxt_Free, 2); /* Last allocated cluster# */ + st_word(buf + BS_55AA, 0xAA55); + disk_write(pdrv, buf, b_vol + 7, 1); /* Write backup FSINFO (VBR + 7) */ + disk_write(pdrv, buf, b_vol + 1, 1); /* Write original FSINFO (VBR + 1) */ + } + + /* Initialize FAT area */ + mem_set(buf, 0, (UINT)szb_buf); + sect = b_fat; /* FAT start sector */ + for (i = 0; i < n_fats; i++) { /* Initialize FATs each */ + if (fmt == FS_FAT32) { + st_dword(buf + 0, 0xFFFFFFF8); /* Entry 0 */ + st_dword(buf + 4, 0xFFFFFFFF); /* Entry 1 */ + st_dword(buf + 8, 0x0FFFFFFF); /* Entry 2 (root directory) */ + } else { + st_dword(buf + 0, (fmt == FS_FAT12) ? 0xFFFFF8 : 0xFFFFFFF8); /* Entry 0 and 1 */ + } + nsect = sz_fat; /* Number of FAT sectors */ + do { /* Fill FAT sectors */ + n = (nsect > sz_buf) ? sz_buf : nsect; + if (disk_write(pdrv, buf, sect, (UINT)n) != RES_OK) return FR_DISK_ERR; + mem_set(buf, 0, ss); + sect += n; nsect -= n; + } while (nsect); + } + + /* Initialize root directory (fill with zero) */ + nsect = (fmt == FS_FAT32) ? pau : sz_dir; /* Number of root directory sectors */ + do { + n = (nsect > sz_buf) ? sz_buf : nsect; + if (disk_write(pdrv, buf, sect, (UINT)n) != RES_OK) return FR_DISK_ERR; + sect += n; nsect -= n; + } while (nsect); + } + + /* Determine system ID in the partition table */ + if (_FS_EXFAT && fmt == FS_EXFAT) { + sys = 0x07; /* HPFS/NTFS/exFAT */ + } else { + if (fmt == FS_FAT32) { + sys = 0x0C; /* FAT32X */ + } else { + if (sz_vol >= 0x10000) { + sys = 0x06; /* FAT12/16 (>=64KS) */ + } else { + sys = (fmt == FS_FAT16) ? 0x04 : 0x01; /* FAT16 (<64KS) : FAT12 (<64KS) */ + } + } + } + + if (_MULTI_PARTITION && part != 0) { + /* Update system ID in the partition table */ + if (disk_read(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Read the MBR */ + buf[MBR_Table + (part - 1) * SZ_PTE + PTE_System] = sys; /* Set system type */ + if (disk_write(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Write it back to the MBR */ + } else { + if (!(opt & FM_SFD)) { + /* Create partition table in FDISK format */ + mem_set(buf, 0, ss); + st_word(buf + BS_55AA, 0xAA55); /* MBR signature */ + pte = buf + MBR_Table; /* Create partition table for single partition in the drive */ + pte[PTE_Boot] = 0; /* Boot indicator */ + pte[PTE_StHead] = 1; /* Start head */ + pte[PTE_StSec] = 1; /* Start sector */ + pte[PTE_StCyl] = 0; /* Start cylinder */ + pte[PTE_System] = sys; /* System type */ + n = (b_vol + sz_vol) / (63 * 255); /* (End CHS is incorrect) */ + pte[PTE_EdHead] = 254; /* End head */ + pte[PTE_EdSec] = (BYTE)(n >> 2 | 63); /* End sector */ + pte[PTE_EdCyl] = (BYTE)n; /* End cylinder */ + st_dword(pte + PTE_StLba, b_vol); /* Start offset in LBA */ + st_dword(pte + PTE_SizLba, sz_vol); /* Size in sectors */ + if (disk_write(pdrv, buf, 0, 1) != RES_OK) return FR_DISK_ERR; /* Write it to the MBR */ + } + } + + if (disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) return FR_DISK_ERR; + + return FR_OK; +} + + + +#if _MULTI_PARTITION +/*-----------------------------------------------------------------------*/ +/* Create partition table on the physical drive */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_fdisk ( + BYTE pdrv, /* Physical drive number */ + const DWORD* szt, /* Pointer to the size table for each partitions */ + void* work /* Pointer to the working buffer */ +) +{ + UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl; + BYTE s_hd, e_hd, *p, *buf = (BYTE*)work; + DSTATUS stat; + DWORD sz_disk, sz_part, s_part; + + + stat = disk_initialize(pdrv); + if (stat & STA_NOINIT) return FR_NOT_READY; + if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; + if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR; + + /* Determine the CHS without any care of the drive geometry */ + for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ; + if (n == 256) n--; + e_hd = n - 1; + sz_cyl = 63 * n; + tot_cyl = sz_disk / sz_cyl; + + /* Create partition table */ + mem_set(buf, 0, _MAX_SS); + p = buf + MBR_Table; b_cyl = 0; + for (i = 0; i < 4; i++, p += SZ_PTE) { + p_cyl = (szt[i] <= 100U) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl; + if (!p_cyl) continue; + s_part = (DWORD)sz_cyl * b_cyl; + sz_part = (DWORD)sz_cyl * p_cyl; + if (i == 0) { /* Exclude first track of cylinder 0 */ + s_hd = 1; + s_part += 63; sz_part -= 63; + } else { + s_hd = 0; + } + e_cyl = b_cyl + p_cyl - 1; + if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER; + + /* Set partition table */ + p[1] = s_hd; /* Start head */ + p[2] = (BYTE)((b_cyl >> 2) + 1); /* Start sector */ + p[3] = (BYTE)b_cyl; /* Start cylinder */ + p[4] = 0x06; /* System type (temporary setting) */ + p[5] = e_hd; /* End head */ + p[6] = (BYTE)((e_cyl >> 2) + 63); /* End sector */ + p[7] = (BYTE)e_cyl; /* End cylinder */ + st_dword(p + 8, s_part); /* Start sector in LBA */ + st_dword(p + 12, sz_part); /* Partition size */ + + /* Next partition */ + b_cyl += p_cyl; + } + st_word(p, 0xAA55); + + /* Write it to the MBR */ + return (disk_write(pdrv, buf, 0, 1) != RES_OK || disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) ? FR_DISK_ERR : FR_OK; +} + +#endif /* _MULTI_PARTITION */ +#endif /* _USE_MKFS && !_FS_READONLY */ + + + + +#if _USE_STRFUNC +/*-----------------------------------------------------------------------*/ +/* Get a string from the file */ +/*-----------------------------------------------------------------------*/ + +TCHAR* f_gets ( + TCHAR* buff, /* Pointer to the string buffer to read */ + int len, /* Size of string buffer (characters) */ + FIL* fp /* Pointer to the file object */ +) +{ + int n = 0; + TCHAR c, *p = buff; + BYTE s[2]; + UINT rc; + + + while (n < len - 1) { /* Read characters until buffer gets filled */ +#if _LFN_UNICODE +#if _STRF_ENCODE == 3 /* Read a character in UTF-8 */ + f_read(fp, s, 1, &rc); + if (rc != 1) break; + c = s[0]; + if (c >= 0x80) { + if (c < 0xC0) continue; /* Skip stray trailer */ + if (c < 0xE0) { /* Two-byte sequence */ + f_read(fp, s, 1, &rc); + if (rc != 1) break; + c = (c & 0x1F) << 6 | (s[0] & 0x3F); + if (c < 0x80) c = '?'; + } else { + if (c < 0xF0) { /* Three-byte sequence */ + f_read(fp, s, 2, &rc); + if (rc != 2) break; + c = c << 12 | (s[0] & 0x3F) << 6 | (s[1] & 0x3F); + if (c < 0x800) c = '?'; + } else { /* Reject four-byte sequence */ + c = '?'; + } + } + } +#elif _STRF_ENCODE == 2 /* Read a character in UTF-16BE */ + f_read(fp, s, 2, &rc); + if (rc != 2) break; + c = s[1] + (s[0] << 8); +#elif _STRF_ENCODE == 1 /* Read a character in UTF-16LE */ + f_read(fp, s, 2, &rc); + if (rc != 2) break; + c = s[0] + (s[1] << 8); +#else /* Read a character in ANSI/OEM */ + f_read(fp, s, 1, &rc); + if (rc != 1) break; + c = s[0]; + if (IsDBCS1(c)) { + f_read(fp, s, 1, &rc); + if (rc != 1) break; + c = (c << 8) + s[0]; + } + c = ff_convert(c, 1); /* OEM -> Unicode */ + if (!c) c = '?'; +#endif +#else /* Read a character without conversion */ + f_read(fp, s, 1, &rc); + if (rc != 1) break; + c = s[0]; +#endif + if (_USE_STRFUNC == 2 && c == '\r') continue; /* Strip '\r' */ + *p++ = c; + n++; + if (c == '\n') break; /* Break on EOL */ + } + *p = 0; + return n ? buff : 0; /* When no data read (eof or error), return with error. */ +} + + + + +#if !_FS_READONLY +#include +/*-----------------------------------------------------------------------*/ +/* Put a character to the file */ +/*-----------------------------------------------------------------------*/ + +typedef struct { + FIL *fp; /* Ptr to the writing file */ + int idx, nchr; /* Write index of buf[] (-1:error), number of chars written */ + BYTE buf[64]; /* Write buffer */ +} putbuff; + + +static +void putc_bfd ( /* Buffered write with code conversion */ + putbuff* pb, + TCHAR c +) +{ + UINT bw; + int i; + + + if (_USE_STRFUNC == 2 && c == '\n') { /* LF -> CRLF conversion */ + putc_bfd(pb, '\r'); + } + + i = pb->idx; /* Write index of pb->buf[] */ + if (i < 0) return; + +#if _LFN_UNICODE +#if _STRF_ENCODE == 3 /* Write a character in UTF-8 */ + if (c < 0x80) { /* 7-bit */ + pb->buf[i++] = (BYTE)c; + } else { + if (c < 0x800) { /* 11-bit */ + pb->buf[i++] = (BYTE)(0xC0 | c >> 6); + } else { /* 16-bit */ + pb->buf[i++] = (BYTE)(0xE0 | c >> 12); + pb->buf[i++] = (BYTE)(0x80 | (c >> 6 & 0x3F)); + } + pb->buf[i++] = (BYTE)(0x80 | (c & 0x3F)); + } +#elif _STRF_ENCODE == 2 /* Write a character in UTF-16BE */ + pb->buf[i++] = (BYTE)(c >> 8); + pb->buf[i++] = (BYTE)c; +#elif _STRF_ENCODE == 1 /* Write a character in UTF-16LE */ + pb->buf[i++] = (BYTE)c; + pb->buf[i++] = (BYTE)(c >> 8); +#else /* Write a character in ANSI/OEM */ + c = ff_convert(c, 0); /* Unicode -> OEM */ + if (!c) c = '?'; + if (c >= 0x100) + pb->buf[i++] = (BYTE)(c >> 8); + pb->buf[i++] = (BYTE)c; +#endif +#else /* Write a character without conversion */ + pb->buf[i++] = (BYTE)c; +#endif + + if (i >= (int)(sizeof pb->buf) - 3) { /* Write buffered characters to the file */ + f_write(pb->fp, pb->buf, (UINT)i, &bw); + i = (bw == (UINT)i) ? 0 : -1; + } + pb->idx = i; + pb->nchr++; +} + + +static +int putc_flush ( /* Flush left characters in the buffer */ + putbuff* pb +) +{ + UINT nw; + + if ( pb->idx >= 0 /* Flush buffered characters to the file */ + && f_write(pb->fp, pb->buf, (UINT)pb->idx, &nw) == FR_OK + && (UINT)pb->idx == nw) return pb->nchr; + return EOF; +} + + +static +void putc_init ( /* Initialize write buffer */ + putbuff* pb, + FIL* fp +) +{ + pb->fp = fp; + pb->nchr = pb->idx = 0; +} + + + +int f_putc ( + TCHAR c, /* A character to be output */ + FIL* fp /* Pointer to the file object */ +) +{ + putbuff pb; + + + putc_init(&pb, fp); + putc_bfd(&pb, c); /* Put the character */ + return putc_flush(&pb); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Put a string to the file */ +/*-----------------------------------------------------------------------*/ + +int f_puts ( + const TCHAR* str, /* Pointer to the string to be output */ + FIL* fp /* Pointer to the file object */ +) +{ + putbuff pb; + + + putc_init(&pb, fp); + while (*str) putc_bfd(&pb, *str++); /* Put the string */ + return putc_flush(&pb); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Put a formatted string to the file */ +/*-----------------------------------------------------------------------*/ + +int f_printf ( + FIL* fp, /* Pointer to the file object */ + const TCHAR* fmt, /* Pointer to the format string */ + ... /* Optional arguments... */ +) +{ + va_list arp; + putbuff pb; + BYTE f, r; + UINT i, j, w; + DWORD v; + TCHAR c, d, str[32], *p; + + + putc_init(&pb, fp); + + va_start(arp, fmt); + + for (;;) { + c = *fmt++; + if (c == 0) break; /* End of string */ + if (c != '%') { /* Non escape character */ + putc_bfd(&pb, c); + continue; + } + w = f = 0; + c = *fmt++; + if (c == '0') { /* Flag: '0' padding */ + f = 1; c = *fmt++; + } else { + if (c == '-') { /* Flag: left justified */ + f = 2; c = *fmt++; + } + } + while (IsDigit(c)) { /* Precision */ + w = w * 10 + c - '0'; + c = *fmt++; + } + if (c == 'l' || c == 'L') { /* Prefix: Size is long int */ + f |= 4; c = *fmt++; + } + if (!c) break; + d = c; + if (IsLower(d)) d -= 0x20; + switch (d) { /* Type is... */ + case 'S' : /* String */ + p = va_arg(arp, TCHAR*); + for (j = 0; p[j]; j++) ; + if (!(f & 2)) { + while (j++ < w) putc_bfd(&pb, ' '); + } + while (*p) putc_bfd(&pb, *p++); + while (j++ < w) putc_bfd(&pb, ' '); + continue; + case 'C' : /* Character */ + putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue; + case 'B' : /* Binary */ + r = 2; break; + case 'O' : /* Octal */ + r = 8; break; + case 'D' : /* Signed decimal */ + case 'U' : /* Unsigned decimal */ + r = 10; break; + case 'X' : /* Hexdecimal */ + r = 16; break; + default: /* Unknown type (pass-through) */ + putc_bfd(&pb, c); continue; + } + + /* Get an argument and put it in numeral */ + v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int)); + if (d == 'D' && (v & 0x80000000)) { + v = 0 - v; + f |= 8; + } + i = 0; + do { + d = (TCHAR)(v % r); v /= r; + if (d > 9) d += (c == 'x') ? 0x27 : 0x07; + str[i++] = d + '0'; + } while (v && i < sizeof str / sizeof str[0]); + if (f & 8) str[i++] = '-'; + j = i; d = (f & 1) ? '0' : ' '; + while (!(f & 2) && j++ < w) putc_bfd(&pb, d); + do putc_bfd(&pb, str[--i]); while (i); + while (j++ < w) putc_bfd(&pb, d); + } + + va_end(arp); + + return putc_flush(&pb); +} + +#endif /* !_FS_READONLY */ +#endif /* _USE_STRFUNC */ diff --git a/thirdparty/fatfs/ff.h b/thirdparty/fatfs/ff.h new file mode 100644 index 0000000..905dd66 --- /dev/null +++ b/thirdparty/fatfs/ff.h @@ -0,0 +1,366 @@ +/*----------------------------------------------------------------------------/ +/ FatFs - Generic FAT file system module R0.12b / +/-----------------------------------------------------------------------------/ +/ +/ Copyright (C) 2016, ChaN, all right reserved. +/ +/ FatFs module is an open source software. Redistribution and use of FatFs in +/ source and binary forms, with or without modification, are permitted provided +/ that the following condition is met: + +/ 1. Redistributions of source code must retain the above copyright notice, +/ this condition and the following disclaimer. +/ +/ This software is provided by the copyright holder and contributors "AS IS" +/ and any warranties related to this software are DISCLAIMED. +/ The copyright owner or contributors be NOT LIABLE for any damages caused +/ by use of this software. +/----------------------------------------------------------------------------*/ + + +#ifndef _FATFS +#define _FATFS 68020 /* Revision ID */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "integer.h" /* Basic integer types */ +#include "ffconf.h" /* FatFs configuration options */ + +#if _FATFS != _FFCONF +#error Wrong configuration file (ffconf.h). +#endif + + + +/* Definitions of volume management */ + +#if _MULTI_PARTITION /* Multiple partition configuration */ +typedef struct { + BYTE pd; /* Physical drive number */ + BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ +} PARTITION; +extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ +#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ +#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ + +#else /* Single partition configuration */ +#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */ +#define LD2PT(vol) 0 /* Find first valid partition or in SFD */ + +#endif + + + +/* Type of path name strings on FatFs API */ + +#if _LFN_UNICODE /* Unicode (UTF-16) string */ +#if _USE_LFN == 0 +#error _LFN_UNICODE must be 0 at non-LFN cfg. +#endif +#ifndef _INC_TCHAR +typedef WCHAR TCHAR; +#define _T(x) L ## x +#define _TEXT(x) L ## x +#endif +#else /* ANSI/OEM string */ +#ifndef _INC_TCHAR +typedef char TCHAR; +#define _T(x) x +#define _TEXT(x) x +#endif +#endif + + + +/* Type of file size variables */ + +#if _FS_EXFAT +#if _USE_LFN == 0 +#error LFN must be enabled when enable exFAT +#endif +typedef QWORD FSIZE_t; +#else +typedef DWORD FSIZE_t; +#endif + + + +/* File system object structure (FATFS) */ + +typedef struct { + BYTE fs_type; /* File system type (0:N/A) */ + BYTE drv; /* Physical drive number */ + BYTE n_fats; /* Number of FATs (1 or 2) */ + BYTE wflag; /* win[] flag (b0:dirty) */ + BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */ + WORD id; /* File system mount ID */ + WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ + WORD csize; /* Cluster size [sectors] */ +#if _MAX_SS != _MIN_SS + WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */ +#endif +#if _USE_LFN != 0 + WCHAR* lfnbuf; /* LFN working buffer */ +#endif +#if _FS_EXFAT + BYTE* dirbuf; /* Directory entry block scratchpad buffer */ +#endif +#if _FS_REENTRANT + _SYNC_t sobj; /* Identifier of sync object */ +#endif +#if !_FS_READONLY + DWORD last_clst; /* Last allocated cluster */ + DWORD free_clst; /* Number of free clusters */ +#endif +#if _FS_RPATH != 0 + DWORD cdir; /* Current directory start cluster (0:root) */ +#if _FS_EXFAT + DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */ + DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */ + DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */ +#endif +#endif + DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */ + DWORD fsize; /* Size of an FAT [sectors] */ + DWORD volbase; /* Volume base sector */ + DWORD fatbase; /* FAT base sector */ + DWORD dirbase; /* Root directory base sector/cluster */ + DWORD database; /* Data base sector */ + DWORD winsect; /* Current sector appearing in the win[] */ + BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */ +} FATFS; + + + +/* Object ID and allocation information (_FDID) */ + +typedef struct { + FATFS* fs; /* Pointer to the owner file system object */ + WORD id; /* Owner file system mount ID */ + BYTE attr; /* Object attribute */ + BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous (no data on FAT), =3:got flagmented, b2:sub-directory stretched) */ + DWORD sclust; /* Object start cluster (0:no cluster or root directory) */ + FSIZE_t objsize; /* Object size (valid when sclust != 0) */ +#if _FS_EXFAT + DWORD n_cont; /* Size of coutiguous part, clusters - 1 (valid when stat == 3) */ + DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */ + DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */ + DWORD c_ofs; /* Offset in the containing directory (valid when sclust != 0) */ +#endif +#if _FS_LOCK != 0 + UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */ +#endif +} _FDID; + + + +/* File object structure (FIL) */ + +typedef struct { + _FDID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */ + BYTE flag; /* File status flags */ + BYTE err; /* Abort flag (error code) */ + FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */ + DWORD clust; /* Current cluster of fpter (invalid when fprt is 0) */ + DWORD sect; /* Sector number appearing in buf[] (0:invalid) */ +#if !_FS_READONLY + DWORD dir_sect; /* Sector number containing the directory entry */ + BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */ +#endif +#if _USE_FASTSEEK + DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */ +#endif +#if !_FS_TINY + BYTE buf[_MAX_SS]; /* File private data read/write window */ +#endif +} FIL; + + + +/* Directory object structure (DIR) */ + +typedef struct { + _FDID obj; /* Object identifier */ + DWORD dptr; /* Current read/write offset */ + DWORD clust; /* Current cluster */ + DWORD sect; /* Current sector */ + BYTE* dir; /* Pointer to the directory item in the win[] */ + BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */ +#if _USE_LFN != 0 + DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */ +#endif +#if _USE_FIND + const TCHAR* pat; /* Pointer to the name matching pattern */ +#endif +} DIR; + + + +/* File information structure (FILINFO) */ + +typedef struct { + FSIZE_t fsize; /* File size */ + WORD fdate; /* Modified date */ + WORD ftime; /* Modified time */ + BYTE fattrib; /* File attribute */ +#if _USE_LFN != 0 + TCHAR altname[13]; /* Altenative file name */ + TCHAR fname[_MAX_LFN + 1]; /* Primary file name */ +#else + TCHAR fname[13]; /* File name */ +#endif +} FILINFO; + + + +/* File function return code (FRESULT) */ + +typedef enum { + FR_OK = 0, /* (0) Succeeded */ + FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */ + FR_INT_ERR, /* (2) Assertion failed */ + FR_NOT_READY, /* (3) The physical drive cannot work */ + FR_NO_FILE, /* (4) Could not find the file */ + FR_NO_PATH, /* (5) Could not find the path */ + FR_INVALID_NAME, /* (6) The path name format is invalid */ + FR_DENIED, /* (7) Access denied due to prohibited access or directory full */ + FR_EXIST, /* (8) Access denied due to prohibited access */ + FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ + FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ + FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ + FR_NOT_ENABLED, /* (12) The volume has no work area */ + FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */ + FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */ + FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */ + FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */ + FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */ + FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */ + FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ +} FRESULT; + + + +/*--------------------------------------------------------------*/ +/* FatFs module application interface */ + +FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */ +FRESULT f_close (FIL* fp); /* Close an open file object */ +FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */ +FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */ +FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */ +FRESULT f_truncate (FIL* fp); /* Truncate the file */ +FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */ +FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */ +FRESULT f_closedir (DIR* dp); /* Close an open directory */ +FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */ +FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */ +FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */ +FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */ +FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */ +FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */ +FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */ +FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */ +FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */ +FRESULT f_chdir (const TCHAR* path); /* Change current directory */ +FRESULT f_chdrive (const TCHAR* path); /* Change current drive */ +FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */ +FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */ +FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */ +FRESULT f_setlabel (const TCHAR* label); /* Set volume label */ +FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */ +FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */ +FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */ +FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */ +FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */ +int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */ +int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */ +int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */ +TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */ + +#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize)) +#define f_error(fp) ((fp)->err) +#define f_tell(fp) ((fp)->fptr) +#define f_size(fp) ((fp)->obj.objsize) +#define f_rewind(fp) f_lseek((fp), 0) +#define f_rewinddir(dp) f_readdir((dp), 0) + +#ifndef EOF +#define EOF (-1) +#endif + + + + +/*--------------------------------------------------------------*/ +/* Additional user defined functions */ + +/* RTC function */ +#if !_FS_READONLY && !_FS_NORTC +DWORD get_fattime (void); +#endif + +/* Unicode support functions */ +#if _USE_LFN != 0 /* Unicode - OEM code conversion */ +WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */ +WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */ +#if _USE_LFN == 3 /* Memory functions */ +void* ff_memalloc (UINT msize); /* Allocate memory block */ +void ff_memfree (void* mblock); /* Free memory block */ +#endif +#endif + +/* Sync functions */ +#if _FS_REENTRANT +int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */ +int ff_req_grant (_SYNC_t sobj); /* Lock sync object */ +void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */ +int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */ +#endif + + + + +/*--------------------------------------------------------------*/ +/* Flags and offset address */ + + +/* File access mode and open method flags (3rd argument of f_open) */ +#define FA_READ 0x01 +#define FA_WRITE 0x02 +#define FA_OPEN_EXISTING 0x00 +#define FA_CREATE_NEW 0x04 +#define FA_CREATE_ALWAYS 0x08 +#define FA_OPEN_ALWAYS 0x10 +#define FA_OPEN_APPEND 0x30 + +/* Fast seek controls (2nd argument of f_lseek) */ +#define CREATE_LINKMAP ((FSIZE_t)0 - 1) + +/* Format options (2nd argument of f_mkfs) */ +#define FM_FAT 0x01 +#define FM_FAT32 0x02 +#define FM_EXFAT 0x04 +#define FM_ANY 0x07 +#define FM_SFD 0x08 + +/* Filesystem type (FATFS.fs_type) */ +#define FS_FAT12 1 +#define FS_FAT16 2 +#define FS_FAT32 3 +#define FS_EXFAT 4 + +/* File attribute bits for directory entry (FILINFO.fattrib) */ +#define AM_RDO 0x01 /* Read only */ +#define AM_HID 0x02 /* Hidden */ +#define AM_SYS 0x04 /* System */ +#define AM_DIR 0x10 /* Directory */ +#define AM_ARC 0x20 /* Archive */ + + +#ifdef __cplusplus +} +#endif + +#endif /* _FATFS */ diff --git a/thirdparty/fatfs/ff_malloc.h b/thirdparty/fatfs/ff_malloc.h new file mode 100644 index 0000000..10d1a23 --- /dev/null +++ b/thirdparty/fatfs/ff_malloc.h @@ -0,0 +1,34 @@ +#pragma once + +#include +#include "ff.h" + + + +#if _USE_LFN == 3 /* LFN with a working buffer on the heap */ +/*------------------------------------------------------------------------*/ +/* Allocate a memory block */ +/*------------------------------------------------------------------------*/ +/* If a NULL is returned, the file function fails with FR_NOT_ENOUGH_CORE. +*/ + +inline void* ff_memalloc ( /* Returns pointer to the allocated memory block */ + UINT msize /* Number of bytes to allocate */ +) +{ + return malloc(msize); /* Allocate a new memory block with POSIX API */ +} + + +/*------------------------------------------------------------------------*/ +/* Free a memory block */ +/*------------------------------------------------------------------------*/ + +inline void ff_memfree ( + void* mblock /* Pointer to the memory block to free */ +) +{ + free(mblock); /* Discard the memory block with POSIX API */ +} + +#endif diff --git a/thirdparty/fatfs/ffconf.h b/thirdparty/fatfs/ffconf.h new file mode 100644 index 0000000..4a7b334 --- /dev/null +++ b/thirdparty/fatfs/ffconf.h @@ -0,0 +1,267 @@ +/*---------------------------------------------------------------------------/ +/ FatFs - FAT file system module configuration file +/---------------------------------------------------------------------------*/ + +#define _FFCONF 68020 /* Revision ID */ + +/*---------------------------------------------------------------------------/ +/ Function Configurations +/---------------------------------------------------------------------------*/ + +#define _FS_READONLY 0 +/* This option switches read-only configuration. (0:Read/Write or 1:Read-only) +/ Read-only configuration removes writing API functions, f_write(), f_sync(), +/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree() +/ and optional writing functions as well. */ + + +#define _FS_MINIMIZE 0 +/* This option defines minimization level to remove some basic API functions. +/ +/ 0: All basic functions are enabled. +/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename() +/ are removed. +/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1. +/ 3: f_lseek() function is removed in addition to 2. */ + + +#define _USE_STRFUNC 0 +/* This option switches string functions, f_gets(), f_putc(), f_puts() and +/ f_printf(). +/ +/ 0: Disable string functions. +/ 1: Enable without LF-CRLF conversion. +/ 2: Enable with LF-CRLF conversion. */ + + +#define _USE_FIND 0 +/* This option switches filtered directory read functions, f_findfirst() and +/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */ + + +#define _USE_MKFS 0 +/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */ + + +#define _USE_FASTSEEK 0 +/* This option switches fast seek function. (0:Disable or 1:Enable) */ + + +#define _USE_EXPAND 0 +/* This option switches f_expand function. (0:Disable or 1:Enable) */ + + +#define _USE_CHMOD 0 +/* This option switches attribute manipulation functions, f_chmod() and f_utime(). +/ (0:Disable or 1:Enable) Also _FS_READONLY needs to be 0 to enable this option. */ + + +#define _USE_LABEL 1 +/* This option switches volume label functions, f_getlabel() and f_setlabel(). +/ (0:Disable or 1:Enable) */ + + +#define _USE_FORWARD 0 +/* This option switches f_forward() function. (0:Disable or 1:Enable) */ + + +/*---------------------------------------------------------------------------/ +/ Locale and Namespace Configurations +/---------------------------------------------------------------------------*/ + +#define _CODE_PAGE 437 +/* This option specifies the OEM code page to be used on the target system. +/ Incorrect setting of the code page can cause a file open failure. +/ +/ 1 - ASCII (No extended character. Non-LFN cfg. only) +/ 437 - U.S. +/ 720 - Arabic +/ 737 - Greek +/ 771 - KBL +/ 775 - Baltic +/ 850 - Latin 1 +/ 852 - Latin 2 +/ 855 - Cyrillic +/ 857 - Turkish +/ 860 - Portuguese +/ 861 - Icelandic +/ 862 - Hebrew +/ 863 - Canadian French +/ 864 - Arabic +/ 865 - Nordic +/ 866 - Russian +/ 869 - Greek 2 +/ 932 - Japanese (DBCS) +/ 936 - Simplified Chinese (DBCS) +/ 949 - Korean (DBCS) +/ 950 - Traditional Chinese (DBCS) +*/ + + +#define _USE_LFN 3 +#define _MAX_LFN 255 +/* The _USE_LFN switches the support of long file name (LFN). +/ +/ 0: Disable support of LFN. _MAX_LFN has no effect. +/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe. +/ 2: Enable LFN with dynamic working buffer on the STACK. +/ 3: Enable LFN with dynamic working buffer on the HEAP. +/ +/ To enable the LFN, Unicode handling functions (option/unicode.c) must be added +/ to the project. The working buffer occupies (_MAX_LFN + 1) * 2 bytes and +/ additional 608 bytes at exFAT enabled. _MAX_LFN can be in range from 12 to 255. +/ It should be set 255 to support full featured LFN operations. +/ When use stack for the working buffer, take care on stack overflow. When use heap +/ memory for the working buffer, memory management functions, ff_memalloc() and +/ ff_memfree(), must be added to the project. */ + + +#define _LFN_UNICODE 0 +/* This option switches character encoding on the API. (0:ANSI/OEM or 1:UTF-16) +/ To use Unicode string for the path name, enable LFN and set _LFN_UNICODE = 1. +/ This option also affects behavior of string I/O functions. */ + + +#define _STRF_ENCODE 3 +/* When _LFN_UNICODE == 1, this option selects the character encoding ON THE FILE to +/ be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf(). +/ +/ 0: ANSI/OEM +/ 1: UTF-16LE +/ 2: UTF-16BE +/ 3: UTF-8 +/ +/ This option has no effect when _LFN_UNICODE == 0. */ + + +#define _FS_RPATH 0 +/* This option configures support of relative path. +/ +/ 0: Disable relative path and remove related functions. +/ 1: Enable relative path. f_chdir() and f_chdrive() are available. +/ 2: f_getcwd() function is available in addition to 1. +*/ + + +/*---------------------------------------------------------------------------/ +/ Drive/Volume Configurations +/---------------------------------------------------------------------------*/ + +#define _VOLUMES 4 +/* Number of volumes (logical drives) to be used. */ + + +#define _STR_VOLUME_ID 1 +#define _VOLUME_STRS "SDMC","TWLN","TWLP","NAND" +/* _STR_VOLUME_ID switches string support of volume ID. +/ When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive +/ number in the path name. _VOLUME_STRS defines the drive ID strings for each +/ logical drives. Number of items must be equal to _VOLUMES. Valid characters for +/ the drive ID strings are: A-Z and 0-9. */ + + +#define _MULTI_PARTITION 1 +/* This option switches support of multi-partition on a physical drive. +/ By default (0), each logical drive number is bound to the same physical drive +/ number and only an FAT volume found on the physical drive will be mounted. +/ When multi-partition is enabled (1), each logical drive number can be bound to +/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk() +/ funciton will be available. */ + + +#define _MIN_SS 512 +#define _MAX_SS 512 +/* These options configure the range of sector size to be supported. (512, 1024, +/ 2048 or 4096) Always set both 512 for most systems, all type of memory cards and +/ harddisk. But a larger value may be required for on-board flash memory and some +/ type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured +/ to variable sector size and GET_SECTOR_SIZE command must be implemented to the +/ disk_ioctl() function. */ + + +#define _USE_TRIM 0 +/* This option switches support of ATA-TRIM. (0:Disable or 1:Enable) +/ To enable Trim function, also CTRL_TRIM command should be implemented to the +/ disk_ioctl() function. */ + + +#define _FS_NOFSINFO 0 +/* If you need to know correct free space on the FAT32 volume, set bit 0 of this +/ option, and f_getfree() function at first time after volume mount will force +/ a full FAT scan. Bit 1 controls the use of last allocated cluster number. +/ +/ bit0=0: Use free cluster count in the FSINFO if available. +/ bit0=1: Do not trust free cluster count in the FSINFO. +/ bit1=0: Use last allocated cluster number in the FSINFO if available. +/ bit1=1: Do not trust last allocated cluster number in the FSINFO. +*/ + + + +/*---------------------------------------------------------------------------/ +/ System Configurations +/---------------------------------------------------------------------------*/ + +#define _FS_TINY 0 +/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny) +/ At the tiny configuration, size of file object (FIL) is reduced _MAX_SS bytes. +/ Instead of private sector buffer eliminated from the file object, common sector +/ buffer in the file system object (FATFS) is used for the file data transfer. */ + + +#define _FS_EXFAT 0 +/* This option switches support of exFAT file system. (0:Disable or 1:Enable) +/ When enable exFAT, also LFN needs to be enabled. (_USE_LFN >= 1) +/ Note that enabling exFAT discards C89 compatibility. */ + + +#define _FS_NORTC 1 +#define _NORTC_MON 1 +#define _NORTC_MDAY 1 +#define _NORTC_YEAR 2016 +/* The option _FS_NORTC switches timestamp functiton. If the system does not have +/ any RTC function or valid timestamp is not needed, set _FS_NORTC = 1 to disable +/ the timestamp function. All objects modified by FatFs will have a fixed timestamp +/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR in local time. +/ To enable timestamp function (_FS_NORTC = 0), get_fattime() function need to be +/ added to the project to get current time form real-time clock. _NORTC_MON, +/ _NORTC_MDAY and _NORTC_YEAR have no effect. +/ These options have no effect at read-only configuration (_FS_READONLY = 1). */ + + +#define _FS_LOCK 0 +/* The option _FS_LOCK switches file lock function to control duplicated file open +/ and illegal operation to open objects. This option must be 0 when _FS_READONLY +/ is 1. +/ +/ 0: Disable file lock function. To avoid volume corruption, application program +/ should avoid illegal open, remove and rename to the open objects. +/ >0: Enable file lock function. The value defines how many files/sub-directories +/ can be opened simultaneously under file lock control. Note that the file +/ lock control is independent of re-entrancy. */ + + +#define _FS_REENTRANT 0 +#define _FS_TIMEOUT 1000 +#define _SYNC_t HANDLE +/* The option _FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs +/ module itself. Note that regardless of this option, file access to different +/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs() +/ and f_fdisk() function, are always not re-entrant. Only file/directory access +/ to the same volume is under control of this function. +/ +/ 0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect. +/ 1: Enable re-entrancy. Also user provided synchronization handlers, +/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj() +/ function, must be added to the project. Samples are available in +/ option/syscall.c. +/ +/ The _FS_TIMEOUT defines timeout period in unit of time tick. +/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*, +/ SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be +/ included somewhere in the scope of ff.h. */ + +/* #include // O/S definitions */ + + +/*--- End of configuration options ---*/ diff --git a/thirdparty/fatfs/integer.h b/thirdparty/fatfs/integer.h new file mode 100644 index 0000000..5dd8ec3 --- /dev/null +++ b/thirdparty/fatfs/integer.h @@ -0,0 +1,38 @@ +/*-------------------------------------------*/ +/* Integer type definitions for FatFs module */ +/*-------------------------------------------*/ + +#ifndef _FF_INTEGER +#define _FF_INTEGER + +#ifdef _WIN32 /* FatFs development platform */ + +#include +#include +typedef unsigned __int64 QWORD; + + +#else /* Embedded platform */ + +/* These types MUST be 16-bit or 32-bit */ +typedef int INT; +typedef unsigned int UINT; + +/* This type MUST be 8-bit */ +typedef unsigned char BYTE; + +/* These types MUST be 16-bit */ +typedef short SHORT; +typedef unsigned short WORD; +typedef unsigned short WCHAR; + +/* These types MUST be 32-bit */ +typedef long LONG; +typedef unsigned long DWORD; + +/* This type MUST be 64-bit (Remove this for C89 compatibility) */ +typedef unsigned long long QWORD; + +#endif + +#endif diff --git a/thirdparty/fatfs/option/ccsbcs.c b/thirdparty/fatfs/option/ccsbcs.c new file mode 100644 index 0000000..e2762dc --- /dev/null +++ b/thirdparty/fatfs/option/ccsbcs.c @@ -0,0 +1,388 @@ +/*------------------------------------------------------------------------*/ +/* Unicode - Local code bidirectional converter (C)ChaN, 2015 */ +/* (SBCS code pages) */ +/*------------------------------------------------------------------------*/ +/* 437 U.S. +/ 720 Arabic +/ 737 Greek +/ 771 KBL +/ 775 Baltic +/ 850 Latin 1 +/ 852 Latin 2 +/ 855 Cyrillic +/ 857 Turkish +/ 860 Portuguese +/ 861 Icelandic +/ 862 Hebrew +/ 863 Canadian French +/ 864 Arabic +/ 865 Nordic +/ 866 Russian +/ 869 Greek 2 +*/ + +#include "../ff.h" + + +#if _CODE_PAGE == 437 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP437(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, + 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 720 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP720(0x80-0xFF) to Unicode conversion table */ + 0x0000, 0x0000, 0x00E9, 0x00E2, 0x0000, 0x00E0, 0x0000, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0651, 0x0652, 0x00F4, 0x00A4, 0x0640, 0x00FB, 0x00F9, 0x0621, 0x0622, 0x0623, 0x0624, 0x00A3, 0x0625, 0x0626, 0x0627, + 0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F, 0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x0636, 0x0637, 0x0638, 0x0639, 0x063A, 0x0641, 0x00B5, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 0x0648, 0x0649, 0x064A, + 0x2261, 0x064B, 0x064C, 0x064D, 0x064E, 0x064F, 0x0650, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 737 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP737(0x80-0xFF) to Unicode conversion table */ + 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0, + 0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8, + 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0, 0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03C9, 0x03AC, 0x03AD, 0x03AE, 0x03CA, 0x03AF, 0x03CC, 0x03CD, 0x03CB, 0x03CE, 0x0386, 0x0388, 0x0389, 0x038A, 0x038C, 0x038E, + 0x038F, 0x00B1, 0x2265, 0x2264, 0x03AA, 0x03AB, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 771 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP771(0x80-0xFF) to Unicode conversion table */ + 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, + 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, + 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x2558, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x0104, 0x0105, 0x010C, 0x010D, + 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, + 0x0118, 0x0119, 0x0116, 0x0117, 0x012E, 0x012F, 0x0160, 0x0161, 0x0172, 0x0173, 0x016A, 0x016B, 0x017D, 0x017E, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 775 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP775(0x80-0xFF) to Unicode conversion table */ + 0x0106, 0x00FC, 0x00E9, 0x0101, 0x00E4, 0x0123, 0x00E5, 0x0107, 0x0142, 0x0113, 0x0156, 0x0157, 0x012B, 0x0179, 0x00C4, 0x00C5, + 0x00C9, 0x00E6, 0x00C6, 0x014D, 0x00F6, 0x0122, 0x00A2, 0x015A, 0x015B, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x00A4, + 0x0100, 0x012A, 0x00F3, 0x017B, 0x017C, 0x017A, 0x201D, 0x00A6, 0x00A9, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x0141, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0104, 0x010C, 0x0118, 0x0116, 0x2563, 0x2551, 0x2557, 0x255D, 0x012E, 0x0160, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0172, 0x016A, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x017D, + 0x0105, 0x010D, 0x0119, 0x0117, 0x012F, 0x0161, 0x0173, 0x016B, 0x017E, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x00D3, 0x00DF, 0x014C, 0x0143, 0x00F5, 0x00D5, 0x00B5, 0x0144, 0x0136, 0x0137, 0x013B, 0x013C, 0x0146, 0x0112, 0x0145, 0x2019, + 0x00AD, 0x00B1, 0x201C, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x201E, 0x00B0, 0x2219, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 850 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP850(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, + 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0, 0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, + 0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x0131, 0x00CD, 0x00CE, 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580, + 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE, 0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4, + 0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8, 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 852 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP852(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x016F, 0x0107, 0x00E7, 0x0142, 0x00EB, 0x0150, 0x0151, 0x00EE, 0x0179, 0x00C4, 0x0106, + 0x00C9, 0x0139, 0x013A, 0x00F4, 0x00F6, 0x013D, 0x013E, 0x015A, 0x015B, 0x00D6, 0x00DC, 0x0164, 0x0165, 0x0141, 0x00D7, 0x010D, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x0104, 0x0105, 0x017D, 0x017E, 0x0118, 0x0119, 0x00AC, 0x017A, 0x010C, 0x015F, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x011A, 0x015E, 0x2563, 0x2551, 0x2557, 0x255D, 0x017B, 0x017C, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0102, 0x0103, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, + 0x0111, 0x0110, 0x010E, 0x00CB, 0x010F, 0x0147, 0x00CD, 0x00CE, 0x011B, 0x2518, 0x250C, 0x2588, 0x2584, 0x0162, 0x016E, 0x2580, + 0x00D3, 0x00DF, 0x00D4, 0x0143, 0x0144, 0x0148, 0x0160, 0x0161, 0x0154, 0x00DA, 0x0155, 0x0170, 0x00FD, 0x00DD, 0x0163, 0x00B4, + 0x00AD, 0x02DD, 0x02DB, 0x02C7, 0x02D8, 0x00A7, 0x00F7, 0x00B8, 0x00B0, 0x00A8, 0x02D9, 0x0171, 0x0158, 0x0159, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 855 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP855(0x80-0xFF) to Unicode conversion table */ + 0x0452, 0x0402, 0x0453, 0x0403, 0x0451, 0x0401, 0x0454, 0x0404, 0x0455, 0x0405, 0x0456, 0x0406, 0x0457, 0x0407, 0x0458, 0x0408, + 0x0459, 0x0409, 0x045A, 0x040A, 0x045B, 0x040B, 0x045C, 0x040C, 0x045E, 0x040E, 0x045F, 0x040F, 0x044E, 0x042E, 0x044A, 0x042A, + 0x0430, 0x0410, 0x0431, 0x0411, 0x0446, 0x0426, 0x0434, 0x0414, 0x0435, 0x0415, 0x0444, 0x0424, 0x0433, 0x0413, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0445, 0x0425, 0x0438, 0x0418, 0x2563, 0x2551, 0x2557, 0x255D, 0x0439, 0x0419, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x043A, 0x041A, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, + 0x043B, 0x041B, 0x043C, 0x041C, 0x043D, 0x041D, 0x043E, 0x041E, 0x043F, 0x2518, 0x250C, 0x2588, 0x2584, 0x041F, 0x044F, 0x2580, + 0x042F, 0x0440, 0x0420, 0x0441, 0x0421, 0x0442, 0x0422, 0x0443, 0x0423, 0x0436, 0x0416, 0x0432, 0x0412, 0x044C, 0x042C, 0x2116, + 0x00AD, 0x044B, 0x042B, 0x0437, 0x0417, 0x0448, 0x0428, 0x044D, 0x042D, 0x0449, 0x0429, 0x0447, 0x0427, 0x00A7, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 857 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP857(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0131, 0x00C4, 0x00C5, + 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x0130, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x015E, 0x015F, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x011E, 0x011F, 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0, 0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4, + 0x00BA, 0x00AA, 0x00CA, 0x00CB, 0x00C8, 0x0000, 0x00CD, 0x00CE, 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580, + 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x0000, 0x00D7, 0x00DA, 0x00DB, 0x00D9, 0x00EC, 0x00FF, 0x00AF, 0x00B4, + 0x00AD, 0x00B1, 0x0000, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8, 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 860 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP860(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E3, 0x00E0, 0x00C1, 0x00E7, 0x00EA, 0x00CA, 0x00E8, 0x00CD, 0x00D4, 0x00EC, 0x00C3, 0x00C2, + 0x00C9, 0x00C0, 0x00C8, 0x00F4, 0x00F5, 0x00F2, 0x00DA, 0x00F9, 0x00CC, 0x00D5, 0x00DC, 0x00A2, 0x00A3, 0x00D9, 0x20A7, 0x00D3, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x00D2, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x2558, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 861 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP861(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E6, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00D0, 0x00F0, 0x00DE, 0x00C4, 0x00C5, + 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00FE, 0x00FB, 0x00DD, 0x00FD, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x20A7, 0x0192, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00C1, 0x00CD, 0x00D3, 0x00DA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 862 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP862(0x80-0xFF) to Unicode conversion table */ + 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7, 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF, + 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7, 0x05E8, 0x05E9, 0x05EA, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 863 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP863(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00C2, 0x00E0, 0x00B6, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x2017, 0x00C0, + 0x00C9, 0x00C8, 0x00CA, 0x00F4, 0x00CB, 0x00CF, 0x00FB, 0x00F9, 0x00A4, 0x00D4, 0x00DC, 0x00A2, 0x00A3, 0x00D9, 0x00DB, 0x0192, + 0x00A6, 0x00B4, 0x00F3, 0x00FA, 0x00A8, 0x00BB, 0x00B3, 0x00AF, 0x00CE, 0x3210, 0x00AC, 0x00BD, 0x00BC, 0x00BE, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2219, + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 864 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP864(0x80-0xFF) to Unicode conversion table */ + 0x00B0, 0x00B7, 0x2219, 0x221A, 0x2592, 0x2500, 0x2502, 0x253C, 0x2524, 0x252C, 0x251C, 0x2534, 0x2510, 0x250C, 0x2514, 0x2518, + 0x03B2, 0x221E, 0x03C6, 0x00B1, 0x00BD, 0x00BC, 0x2248, 0x00AB, 0x00BB, 0xFEF7, 0xFEF8, 0x0000, 0x0000, 0xFEFB, 0xFEFC, 0x0000, + 0x00A0, 0x00AD, 0xFE82, 0x00A3, 0x00A4, 0xFE84, 0x0000, 0x20AC, 0xFE8E, 0xFE8F, 0xFE95, 0xFE99, 0x060C, 0xFE9D, 0xFEA1, 0xFEA5, + 0x0660, 0x0661, 0x0662, 0x0663, 0x0664, 0x0665, 0x0666, 0x0667, 0x0668, 0x0669, 0xFED1, 0x061B, 0xFEB1, 0xFEB5, 0xFEB9, 0x061F, + 0x00A2, 0xFE80, 0xFE81, 0xFE83, 0xFE85, 0xFECA, 0xFE8B, 0xFE8D, 0xFE91, 0xFE93, 0xFE97, 0xFE9B, 0xFE9F, 0xFEA3, 0xFEA7, 0xFEA9, + 0xFEAB, 0xFEAD, 0xFEAF, 0xFEB3, 0xFEB7, 0xFEBB, 0xFEBF, 0xFEC1, 0xFEC5, 0xFECB, 0xFECF, 0x00A6, 0x00AC, 0x00F7, 0x00D7, 0xFEC9, + 0x0640, 0xFED3, 0xFED7, 0xFEDB, 0xFEDF, 0xFEE3, 0xFEE7, 0xFEEB, 0xFEED, 0xFEEF, 0xFEF3, 0xFEBD, 0xFECC, 0xFECE, 0xFECD, 0xFEE1, + 0xFE7D, 0x0651, 0xFEE5, 0xFEE9, 0xFEEC, 0xFEF0, 0xFEF2, 0xFED0, 0xFED5, 0xFEF5, 0xFEF6, 0xFEDD, 0xFED9, 0xFEF1, 0x25A0, 0x0000 +}; + +#elif _CODE_PAGE == 865 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP865(0x80-0xFF) to Unicode conversion table */ + 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, + 0x00C5, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, 0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x20A7, 0x0192, + 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA, 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00A4, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x2558, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, + 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 866 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP866(0x80-0xFF) to Unicode conversion table */ + 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, + 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, + 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556, 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567, + 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B, 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580, + 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, + 0x0401, 0x0451, 0x0404, 0x0454, 0x0407, 0x0457, 0x040E, 0x045E, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x2116, 0x00A4, 0x25A0, 0x00A0 +}; + +#elif _CODE_PAGE == 869 +#define _TBLDEF 1 +static +const WCHAR Tbl[] = { /* CP869(0x80-0xFF) to Unicode conversion table */ + 0x00B7, 0x00B7, 0x00B7, 0x00B7, 0x00B7, 0x00B7, 0x0386, 0x00B7, 0x00B7, 0x00AC, 0x00A6, 0x2018, 0x2019, 0x0388, 0x2015, 0x0389, + 0x038A, 0x03AA, 0x038C, 0x00B7, 0x00B7, 0x038E, 0x03AB, 0x00A9, 0x038F, 0x00B2, 0x00B3, 0x03AC, 0x00A3, 0x03AD, 0x03AE, 0x03AF, + 0x03CA, 0x0390, 0x03CC, 0x03CD, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x00BD, 0x0398, 0x0399, 0x00AB, 0x00BB, + 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x039A, 0x039B, 0x039C, 0x039D, 0x2563, 0x2551, 0x2557, 0x255D, 0x039E, 0x039F, 0x2510, + 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0A30, 0x03A1, 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x03A3, + 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9, 0x03B1, 0x03B2, 0x03B3, 0x2518, 0x250C, 0x2588, 0x2584, 0x03B4, 0x03B5, 0x2580, + 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0, 0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x0384, + 0x00AD, 0x00B1, 0x03C5, 0x03C6, 0x03C7, 0x00A7, 0x03C8, 0x0385, 0x00B0, 0x00A8, 0x03C9, 0x03CB, 0x03B0, 0x03CE, 0x25A0, 0x00A0 +}; + +#endif + + +#if !_TBLDEF || !_USE_LFN +#error This file is not needed at current configuration. Remove from the project. +#endif + + + + +WCHAR ff_convert ( /* Converted character, Returns zero on error */ + WCHAR chr, /* Character code to be converted */ + UINT dir /* 0: Unicode to OEM code, 1: OEM code to Unicode */ +) +{ + WCHAR c; + + + if (chr < 0x80) { /* ASCII */ + c = chr; + + } else { + if (dir) { /* OEM code to Unicode */ + c = (chr >= 0x100) ? 0 : Tbl[chr - 0x80]; + + } else { /* Unicode to OEM code */ + for (c = 0; c < 0x80; c++) { + if (chr == Tbl[c]) break; + } + c = (c + 0x80) & 0xFF; + } + } + + return c; +} + + + +WCHAR ff_wtoupper ( /* Returns upper converted character */ + WCHAR chr /* Unicode character to be upper converted (BMP only) */ +) +{ + /* Compressed upper conversion table */ + static const WCHAR cvt1[] = { /* U+0000 - U+0FFF */ + /* Basic Latin */ + 0x0061,0x031A, + /* Latin-1 Supplement */ + 0x00E0,0x0317, 0x00F8,0x0307, 0x00FF,0x0001,0x0178, + /* Latin Extended-A */ + 0x0100,0x0130, 0x0132,0x0106, 0x0139,0x0110, 0x014A,0x012E, 0x0179,0x0106, + /* Latin Extended-B */ + 0x0180,0x004D,0x0243,0x0181,0x0182,0x0182,0x0184,0x0184,0x0186,0x0187,0x0187,0x0189,0x018A,0x018B,0x018B,0x018D,0x018E,0x018F,0x0190,0x0191,0x0191,0x0193,0x0194,0x01F6,0x0196,0x0197,0x0198,0x0198,0x023D,0x019B,0x019C,0x019D,0x0220,0x019F,0x01A0,0x01A0,0x01A2,0x01A2,0x01A4,0x01A4,0x01A6,0x01A7,0x01A7,0x01A9,0x01AA,0x01AB,0x01AC,0x01AC,0x01AE,0x01AF,0x01AF,0x01B1,0x01B2,0x01B3,0x01B3,0x01B5,0x01B5,0x01B7,0x01B8,0x01B8,0x01BA,0x01BB,0x01BC,0x01BC,0x01BE,0x01F7,0x01C0,0x01C1,0x01C2,0x01C3,0x01C4,0x01C5,0x01C4,0x01C7,0x01C8,0x01C7,0x01CA,0x01CB,0x01CA, + 0x01CD,0x0110, 0x01DD,0x0001,0x018E, 0x01DE,0x0112, 0x01F3,0x0003,0x01F1,0x01F4,0x01F4, 0x01F8,0x0128, + 0x0222,0x0112, 0x023A,0x0009,0x2C65,0x023B,0x023B,0x023D,0x2C66,0x023F,0x0240,0x0241,0x0241, 0x0246,0x010A, + /* IPA Extensions */ + 0x0253,0x0040,0x0181,0x0186,0x0255,0x0189,0x018A,0x0258,0x018F,0x025A,0x0190,0x025C,0x025D,0x025E,0x025F,0x0193,0x0261,0x0262,0x0194,0x0264,0x0265,0x0266,0x0267,0x0197,0x0196,0x026A,0x2C62,0x026C,0x026D,0x026E,0x019C,0x0270,0x0271,0x019D,0x0273,0x0274,0x019F,0x0276,0x0277,0x0278,0x0279,0x027A,0x027B,0x027C,0x2C64,0x027E,0x027F,0x01A6,0x0281,0x0282,0x01A9,0x0284,0x0285,0x0286,0x0287,0x01AE,0x0244,0x01B1,0x01B2,0x0245,0x028D,0x028E,0x028F,0x0290,0x0291,0x01B7, + /* Greek, Coptic */ + 0x037B,0x0003,0x03FD,0x03FE,0x03FF, 0x03AC,0x0004,0x0386,0x0388,0x0389,0x038A, 0x03B1,0x0311, + 0x03C2,0x0002,0x03A3,0x03A3, 0x03C4,0x0308, 0x03CC,0x0003,0x038C,0x038E,0x038F, 0x03D8,0x0118, + 0x03F2,0x000A,0x03F9,0x03F3,0x03F4,0x03F5,0x03F6,0x03F7,0x03F7,0x03F9,0x03FA,0x03FA, + /* Cyrillic */ + 0x0430,0x0320, 0x0450,0x0710, 0x0460,0x0122, 0x048A,0x0136, 0x04C1,0x010E, 0x04CF,0x0001,0x04C0, 0x04D0,0x0144, + /* Armenian */ + 0x0561,0x0426, + + 0x0000 + }; + static const WCHAR cvt2[] = { /* U+1000 - U+FFFF */ + /* Phonetic Extensions */ + 0x1D7D,0x0001,0x2C63, + /* Latin Extended Additional */ + 0x1E00,0x0196, 0x1EA0,0x015A, + /* Greek Extended */ + 0x1F00,0x0608, 0x1F10,0x0606, 0x1F20,0x0608, 0x1F30,0x0608, 0x1F40,0x0606, + 0x1F51,0x0007,0x1F59,0x1F52,0x1F5B,0x1F54,0x1F5D,0x1F56,0x1F5F, 0x1F60,0x0608, + 0x1F70,0x000E,0x1FBA,0x1FBB,0x1FC8,0x1FC9,0x1FCA,0x1FCB,0x1FDA,0x1FDB,0x1FF8,0x1FF9,0x1FEA,0x1FEB,0x1FFA,0x1FFB, + 0x1F80,0x0608, 0x1F90,0x0608, 0x1FA0,0x0608, 0x1FB0,0x0004,0x1FB8,0x1FB9,0x1FB2,0x1FBC, + 0x1FCC,0x0001,0x1FC3, 0x1FD0,0x0602, 0x1FE0,0x0602, 0x1FE5,0x0001,0x1FEC, 0x1FF2,0x0001,0x1FFC, + /* Letterlike Symbols */ + 0x214E,0x0001,0x2132, + /* Number forms */ + 0x2170,0x0210, 0x2184,0x0001,0x2183, + /* Enclosed Alphanumerics */ + 0x24D0,0x051A, 0x2C30,0x042F, + /* Latin Extended-C */ + 0x2C60,0x0102, 0x2C67,0x0106, 0x2C75,0x0102, + /* Coptic */ + 0x2C80,0x0164, + /* Georgian Supplement */ + 0x2D00,0x0826, + /* Full-width */ + 0xFF41,0x031A, + + 0x0000 + }; + const WCHAR *p; + WCHAR bc, nc, cmd; + + + p = chr < 0x1000 ? cvt1 : cvt2; + for (;;) { + bc = *p++; /* Get block base */ + if (!bc || chr < bc) break; + nc = *p++; cmd = nc >> 8; nc &= 0xFF; /* Get processing command and block size */ + if (chr < bc + nc) { /* In the block? */ + switch (cmd) { + case 0: chr = p[chr - bc]; break; /* Table conversion */ + case 1: chr -= (chr - bc) & 1; break; /* Case pairs */ + case 2: chr -= 16; break; /* Shift -16 */ + case 3: chr -= 32; break; /* Shift -32 */ + case 4: chr -= 48; break; /* Shift -48 */ + case 5: chr -= 26; break; /* Shift -26 */ + case 6: chr += 8; break; /* Shift +8 */ + case 7: chr -= 80; break; /* Shift -80 */ + case 8: chr -= 0x1C60; break; /* Shift -0x1C60 */ + } + break; + } + if (!cmd) p += nc; + } + + return chr; +} +