From 7b78a5a287827db9e9b16286f3604aef69b37c5c Mon Sep 17 00:00:00 2001 From: Leo C Date: Mon, 17 Nov 2014 14:47:05 +0100 Subject: Import fatfs R0.10c --- fatfs/src/00readme.txt | 7 +- fatfs/src/diskio.c | 66 ++++--- fatfs/src/diskio.h | 16 +- fatfs/src/ff.c | 439 +++++++++++++++++++++++---------------------- fatfs/src/ff.h | 9 +- fatfs/src/ffconf.h | 224 +++++++++++++---------- fatfs/src/option/cc932.c | 6 +- fatfs/src/option/cc936.c | 4 +- fatfs/src/option/cc949.c | 4 +- fatfs/src/option/cc950.c | 4 +- fatfs/src/option/ccsbcs.c | 2 +- fatfs/src/option/syscall.c | 38 ++-- 12 files changed, 437 insertions(+), 382 deletions(-) (limited to 'fatfs/src') diff --git a/fatfs/src/00readme.txt b/fatfs/src/00readme.txt index 7285d33..b30f7d3 100644 --- a/fatfs/src/00readme.txt +++ b/fatfs/src/00readme.txt @@ -1,4 +1,4 @@ -FatFs Module Source Files R0.10b (C)ChaN, 2014 +FatFs Module Source Files R0.10c (C)ChaN, 2014 FILES @@ -156,3 +156,8 @@ REVISION HISTORY Mar 19,'14 R0.10b 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. + + Nov 09,'14 R0.10c Added a configuration option for the platforms without RTC. (_FS_NORTC) + Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). + Fixed a potential problem of FAT access that can appear on disk error. + Fixed null pointer dereference on attempting to delete the root direcotry. diff --git a/fatfs/src/diskio.c b/fatfs/src/diskio.c index 64194eb..169ae95 100644 --- a/fatfs/src/diskio.c +++ b/fatfs/src/diskio.c @@ -1,10 +1,10 @@ /*-----------------------------------------------------------------------*/ -/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2013 */ +/* 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. */ /* This is an example of glue functions to attach various exsisting */ -/* storage control module to the FatFs module with a defined API. */ +/* storage control modules to the FatFs module with a defined API. */ /*-----------------------------------------------------------------------*/ #include "diskio.h" /* FatFs lower layer API */ @@ -12,18 +12,18 @@ #include "atadrive.h" /* Example: ATA drive control */ #include "sdcard.h" /* Example: MMC/SDC contorl */ -/* Definitions of physical drive number for each media */ -#define ATA 0 -#define MMC 1 -#define USB 2 +/* Definitions of physical drive number for each drive */ +#define ATA 0 /* Example: Map ATA drive to drive number 0 */ +#define MMC 1 /* Example: Map MMC/SD card to drive number 1 */ +#define USB 2 /* Example: Map USB drive to drive number 2 */ /*-----------------------------------------------------------------------*/ -/* Inidialize a Drive */ +/* Get Drive Status */ /*-----------------------------------------------------------------------*/ -DSTATUS disk_initialize ( - BYTE pdrv /* Physical drive nmuber (0..) */ +DSTATUS disk_status ( + BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { DSTATUS stat; @@ -31,21 +31,21 @@ DSTATUS disk_initialize ( switch (pdrv) { case ATA : - result = ATA_disk_initialize(); + result = ATA_disk_status(); // translate the reslut code here return stat; case MMC : - result = MMC_disk_initialize(); + result = MMC_disk_status(); // translate the reslut code here return stat; case USB : - result = USB_disk_initialize(); + result = USB_disk_status(); // translate the reslut code here @@ -57,11 +57,11 @@ DSTATUS disk_initialize ( /*-----------------------------------------------------------------------*/ -/* Get Disk Status */ +/* Inidialize a Drive */ /*-----------------------------------------------------------------------*/ -DSTATUS disk_status ( - BYTE pdrv /* Physical drive nmuber (0..) */ +DSTATUS disk_initialize ( + BYTE pdrv /* Physical drive nmuber to identify the drive */ ) { DSTATUS stat; @@ -69,21 +69,21 @@ DSTATUS disk_status ( switch (pdrv) { case ATA : - result = ATA_disk_status(); + result = ATA_disk_initialize(); // translate the reslut code here return stat; case MMC : - result = MMC_disk_status(); + result = MMC_disk_initialize(); // translate the reslut code here return stat; case USB : - result = USB_disk_status(); + result = USB_disk_initialize(); // translate the reslut code here @@ -99,10 +99,10 @@ DSTATUS disk_status ( /*-----------------------------------------------------------------------*/ DRESULT disk_read ( - BYTE pdrv, /* Physical drive nmuber (0..) */ + BYTE pdrv, /* Physical drive nmuber to identify the drive */ BYTE *buff, /* Data buffer to store read data */ - DWORD sector, /* Sector address (LBA) */ - UINT count /* Number of sectors to read (1..128) */ + DWORD sector, /* Sector address in LBA */ + UINT count /* Number of sectors to read */ ) { DRESULT res; @@ -136,6 +136,7 @@ DRESULT disk_read ( return res; } + return RES_PARERR; } @@ -147,10 +148,10 @@ DRESULT disk_read ( #if _USE_WRITE DRESULT disk_write ( - BYTE pdrv, /* Physical drive nmuber (0..) */ + BYTE pdrv, /* Physical drive nmuber to identify the drive */ const BYTE *buff, /* Data to be written */ - DWORD sector, /* Sector address (LBA) */ - UINT count /* Number of sectors to write (1..128) */ + DWORD sector, /* Sector address in LBA */ + UINT count /* Number of sectors to write */ ) { DRESULT res; @@ -184,6 +185,7 @@ DRESULT disk_write ( return res; } + return RES_PARERR; } #endif @@ -205,32 +207,24 @@ DRESULT disk_ioctl ( switch (pdrv) { case ATA : - // pre-process here - - result = ATA_disk_ioctl(cmd, buff); - // post-process here + // Process of the command for the ATA drive return res; case MMC : - // pre-process here - result = MMC_disk_ioctl(cmd, buff); - - // post-process here + // Process of the command for the MMC/SD card return res; case USB : - // pre-process here - - result = USB_disk_ioctl(cmd, buff); - // post-process here + // Process of the command the USB drive return res; } + return RES_PARERR; } #endif diff --git a/fatfs/src/diskio.h b/fatfs/src/diskio.h index 3c2b09d..9650f68 100644 --- a/fatfs/src/diskio.h +++ b/fatfs/src/diskio.h @@ -1,5 +1,5 @@ /*-----------------------------------------------------------------------/ -/ Low level disk interface modlue include file (C)ChaN, 2013 / +/ Low level disk interface modlue include file (C)ChaN, 2014 / /-----------------------------------------------------------------------*/ #ifndef _DISKIO_DEFINED @@ -48,14 +48,14 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff); /* Command code for disk_ioctrl fucntion */ -/* Generic command (used by FatFs) */ -#define CTRL_SYNC 0 /* Flush disk cache (for write functions) */ -#define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */ -#define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */ -#define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */ -#define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */ +/* 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) */ +/* 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 */ diff --git a/fatfs/src/ff.c b/fatfs/src/ff.c index 2edbe32..9c887c4 100644 --- a/fatfs/src/ff.c +++ b/fatfs/src/ff.c @@ -1,5 +1,5 @@ /*----------------------------------------------------------------------------/ -/ FatFs - FAT file system module R0.10b (C)ChaN, 2014 +/ FatFs - FAT file system module R0.10c (C)ChaN, 2014 /-----------------------------------------------------------------------------/ / FatFs module is a generic FAT file system module for small embedded systems. / This is a free software that opened for education, research and commercial @@ -113,6 +113,10 @@ / Fixed creation of an entry with LFN fails on too many SFN collisions. / May 19,'14 R0.10b 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. +/ Nov 09,'14 R0.10c Added a configuration option for the platforms without RTC. (_FS_NORTC) +/ Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). +/ Fixed a potential problem of FAT access that can appear on disk error. +/ Fixed null pointer dereference on attempting to delete the root direcotry. /---------------------------------------------------------------------------*/ #include "ff.h" /* Declarations of FatFs API */ @@ -127,7 +131,7 @@ ---------------------------------------------------------------------------*/ -#if _FATFS != 8051 /* Revision ID */ +#if _FATFS != 80376 /* Revision ID */ #error Wrong include file (ff.h). #endif @@ -135,7 +139,7 @@ /* Reentrancy related */ #if _FS_REENTRANT #if _USE_LFN == 1 -#error Static LFN work area cannot be used at thread-safe configuration. +#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; } @@ -149,7 +153,7 @@ /* 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. +#error Wrong sector size configuration #endif #if _MAX_SS == _MIN_SS #define SS(fs) ((UINT)_MAX_SS) /* Fixed sector size */ @@ -158,10 +162,18 @@ #endif +/* Timestamp feature */ +#if _FS_NORTC +#define GET_FATTIME() ((DWORD)_NORTC_YEAR << 25 | (DWORD)_NORTC_MON << 21 | (DWORD)_NORTC_MDAY << 16) +#else +#define GET_FATTIME() get_fattime() +#endif + + /* File access control feature */ #if _FS_LOCK #if _FS_READONLY -#error _FS_LOCK must be 0 at read-only cfg. +#error _FS_LOCK must be 0 at read-only configuration #endif typedef struct { FATFS *fs; /* Object ID 1, volume (NULL:blank entry) */ @@ -398,7 +410,7 @@ typedef struct { /* Name status flags */ -#define NS 11 /* Index of name status byte in fn[] */ +#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 */ @@ -407,16 +419,16 @@ typedef struct { #define NS_DOT 0x20 /* Dot entry */ -/* FAT sub-type boundaries */ -#define MIN_FAT16 4086U /* Minimum number of clusters for FAT16 */ -#define MIN_FAT32 65526U /* Minimum number of clusters for FAT32 */ +/* FAT sub-type boundaries (Differ from specs but correct for real DOS/Windows) */ +#define MIN_FAT16 4086U /* Minimum number of clusters as FAT16 */ +#define MIN_FAT32 65526U /* Minimum number of clusters as FAT32 */ /* FatFs refers the members in the FAT structures as byte array instead of / structure member because the structure is not binary compatible between / different platforms */ -#define BS_jmpBoot 0 /* Jump instruction (3) */ +#define BS_jmpBoot 0 /* x86 jump instruction (3) */ #define BS_OEMName 3 /* OEM name (8) */ #define BPB_BytsPerSec 11 /* Sector size [byte] (2) */ #define BPB_SecPerClus 13 /* Cluster size [sector] (1) */ @@ -482,63 +494,53 @@ typedef struct { /*------------------------------------------------------------*/ /* Module private work area */ /*------------------------------------------------------------*/ -/* Note that uninitialized variables with static duration are -/ guaranteed zero/null as initial value. If not, either the -/ linker or start-up routine is out of ANSI-C standard. +/* Remark: Uninitialized variables with static duration are +/ guaranteed zero/null at start-up. If not, either the linker +/ or start-up routine being used is out of ANSI-C standard. */ -#if _VOLUMES >= 1 || _VOLUMES <= 10 -static -FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */ -#else -#error Number of volumes must be 1 to 10. +#if _VOLUMES < 1 || _VOLUMES > 9 +#error Wrong _VOLUMES setting #endif - -static -WORD Fsid; /* File system mount ID */ +static FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */ +static WORD Fsid; /* File system mount ID */ #if _FS_RPATH && _VOLUMES >= 2 -static -BYTE CurrVol; /* Current drive */ +static BYTE CurrVol; /* Current drive */ #endif #if _FS_LOCK -static -FILESEM Files[_FS_LOCK]; /* Open object lock semaphores */ +static FILESEM Files[_FS_LOCK]; /* Open object lock semaphores */ #endif -#if _USE_LFN == 0 /* No LFN feature */ +#if _USE_LFN == 0 /* Non LFN feature */ #define DEF_NAMEBUF BYTE sfn[12] #define INIT_BUF(dobj) (dobj).fn = sfn #define FREE_BUF() - -#elif _USE_LFN == 1 /* LFN feature with static working buffer */ -static -WCHAR LfnBuf[_MAX_LFN+1]; +#else +#if _MAX_LFN < 12 || _MAX_LFN > 255 +#error Wrong _MAX_LFN setting +#endif +#if _USE_LFN == 1 /* LFN feature with static working buffer */ +static WCHAR LfnBuf[_MAX_LFN+1]; #define DEF_NAMEBUF BYTE sfn[12] #define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = LfnBuf; } #define FREE_BUF() - #elif _USE_LFN == 2 /* LFN feature with dynamic working buffer on the stack */ #define DEF_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1] #define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = lbuf; } #define FREE_BUF() - #elif _USE_LFN == 3 /* LFN feature with dynamic working buffer on the heap */ #define DEF_NAMEBUF BYTE sfn[12]; WCHAR *lfn -#define INIT_BUF(dobj) { lfn = ff_memalloc((_MAX_LFN + 1) * 2); \ - if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \ - (dobj).lfn = lfn; (dobj).fn = sfn; } +#define INIT_BUF(dobj) { lfn = ff_memalloc((_MAX_LFN + 1) * 2); if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); (dobj).lfn = lfn; (dobj).fn = sfn; } #define FREE_BUF() ff_memfree(lfn) - #else -#error Wrong LFN configuration. +#error Wrong _USE_LFN setting +#endif #endif - #ifdef _EXCVT -static -const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for extended characters */ +static const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for extended characters */ #endif @@ -758,21 +760,24 @@ FRESULT sync_window ( { 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)) - return FR_DISK_ERR; - 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); + 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 FR_OK; + return res; } #endif @@ -783,17 +788,22 @@ FRESULT move_window ( DWORD sector /* Sector number to make appearance in the fs->win[] */ ) { - if (sector != fs->winsect) { /* Changed current window */ + FRESULT res = FR_OK; + + + if (sector != fs->winsect) { /* Window offset changed? */ #if !_FS_READONLY - if (sync_window(fs) != FR_OK) - return FR_DISK_ERR; + res = sync_window(fs); /* Write-back changes */ #endif - if (disk_read(fs->drv, fs->win, sector, 1)) - return FR_DISK_ERR; - fs->winsect = sector; + 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 FR_OK; + return res; } @@ -842,7 +852,7 @@ FRESULT sync_fs ( /* FR_OK: successful, FR_DISK_ERR: failed */ /*-----------------------------------------------------------------------*/ /* Get sector# from cluster# */ /*-----------------------------------------------------------------------*/ - +/* Hidden API for hacks and disk tools */ DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ FATFS* fs, /* File system object */ @@ -850,7 +860,7 @@ DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ ) { clst -= 2; - if (clst >= (fs->n_fatent - 2)) return 0; /* Invalid cluster# */ + if (clst >= fs->n_fatent - 2) return 0; /* Invalid cluster# */ return clst * fs->csize + fs->database; } @@ -860,44 +870,52 @@ DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ /*-----------------------------------------------------------------------*/ /* FAT access - Read value of a FAT entry */ /*-----------------------------------------------------------------------*/ +/* Hidden API for hacks and disk tools */ - -DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */ +DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */ FATFS* fs, /* File system object */ - DWORD clst /* Cluster# to get the link information */ + DWORD clst /* FAT item index (cluster#) to get the value */ ) { UINT wc, bc; BYTE *p; + DWORD val; - if (clst < 2 || clst >= fs->n_fatent) /* Check range */ - return 1; + if (clst < 2 || clst >= fs->n_fatent) { /* Check range */ + val = 1; /* Internal error */ - switch (fs->fs_type) { - case FS_FAT12 : - bc = (UINT)clst; bc += bc / 2; - if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break; - wc = fs->win[bc % SS(fs)]; bc++; - if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break; - wc |= fs->win[bc % SS(fs)] << 8; - return clst & 1 ? wc >> 4 : (wc & 0xFFF); + } else { + val = 0xFFFFFFFF; /* Default value falls on disk error */ - case FS_FAT16 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break; - p = &fs->win[clst * 2 % SS(fs)]; - return LD_WORD(p); + 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; + p = &fs->win[clst * 2 % SS(fs)]; + val = LD_WORD(p); + break; - case FS_FAT32 : - if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break; - p = &fs->win[clst * 4 % SS(fs)]; - return LD_DWORD(p) & 0x0FFFFFFF; + case FS_FAT32 : + if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4))) != FR_OK) break; + p = &fs->win[clst * 4 % SS(fs)]; + val = LD_DWORD(p) & 0x0FFFFFFF; + break; - default: - return 1; + default: + val = 1; /* Internal error */ + } } - return 0xFFFFFFFF; /* An error occurred at the disk I/O layer */ + return val; } @@ -906,11 +924,12 @@ DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status /*-----------------------------------------------------------------------*/ /* FAT access - Change value of a FAT entry */ /*-----------------------------------------------------------------------*/ -#if !_FS_READONLY +/* Hidden API for hacks and disk tools */ +#if !_FS_READONLY FRESULT put_fat ( FATFS* fs, /* File system object */ - DWORD clst, /* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */ + DWORD clst, /* FAT item index (cluster#) to be set */ DWORD val /* New value to mark the cluster */ ) { @@ -928,14 +947,14 @@ FRESULT put_fat ( 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 = &fs->win[bc++ % SS(fs)]; *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val; - bc++; 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 : @@ -943,6 +962,7 @@ FRESULT put_fat ( if (res != FR_OK) break; p = &fs->win[clst * 2 % SS(fs)]; ST_WORD(p, (WORD)val); + fs->wflag = 1; break; case FS_FAT32 : @@ -951,12 +971,12 @@ FRESULT put_fat ( p = &fs->win[clst * 4 % SS(fs)]; val |= LD_DWORD(p) & 0xF0000000; ST_DWORD(p, val); + fs->wflag = 1; break; default : res = FR_INT_ERR; } - fs->wflag = 1; } return res; @@ -978,7 +998,7 @@ FRESULT remove_chain ( { FRESULT res; DWORD nxt; -#if _USE_ERASE +#if _USE_TRIM DWORD scl = clst, ecl = clst, rt[2]; #endif @@ -998,13 +1018,13 @@ FRESULT remove_chain ( fs->free_clust++; fs->fsi_flag |= 1; } -#if _USE_ERASE +#if _USE_TRIM if (ecl + 1 == nxt) { /* Is next cluster contiguous? */ ecl = nxt; } else { /* End of contiguous clusters */ rt[0] = clust2sect(fs, scl); /* Start sector */ rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */ - disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, rt); /* Erase the block */ + disk_ioctl(fs->drv, CTRL_TRIM, rt); /* Erase the block */ scl = ecl = nxt; } #endif @@ -1246,8 +1266,8 @@ FRESULT dir_alloc ( do { res = move_window(dp->fs, dp->sect); if (res != FR_OK) break; - if (dp->dir[0] == DDE || dp->dir[0] == 0) { /* Is it a blank entry? */ - if (++n == nent) break; /* A block of contiguous entries is found */ + if (dp->dir[0] == DDE || dp->dir[0] == 0) { /* Is it a free entry? */ + if (++n == nent) break; /* A block of contiguous free entries is found */ } else { n = 0; /* Not a blank entry. Restart to search */ } @@ -1526,7 +1546,7 @@ FRESULT dir_find ( } } else { /* An SFN entry is found */ if (!ord && sum == sum_sfn(dir)) break; /* LFN matched? */ - if (!(dp->fn[NS] & NS_LOSS) && !mem_cmp(dir, dp->fn, 11)) break; /* SFN matched? */ + if (!(dp->fn[NSFLAG] & NS_LOSS) && !mem_cmp(dir, dp->fn, 11)) break; /* SFN matched? */ ord = 0xFF; dp->lfn_idx = 0xFFFF; /* Reset LFN sequence */ } } @@ -1568,7 +1588,7 @@ FRESULT dir_read ( if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */ a = dir[DIR_Attr] & AM_MASK; #if _USE_LFN /* LFN configuration */ - if (c == DDE || (!_FS_RPATH && c == '.') || (int)(a == AM_VOL) != vol) { /* An entry without valid data */ + if (c == DDE || (!_FS_RPATH && 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 */ @@ -1586,7 +1606,7 @@ FRESULT dir_read ( } } #else /* Non LFN configuration */ - if (c != DDE && (_FS_RPATH || c != '.') && a != AM_LFN && (int)(a == AM_VOL) == vol) /* Is it a valid entry? */ + if (c != DDE && (_FS_RPATH || 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 */ @@ -1621,11 +1641,11 @@ FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many fn = dp->fn; lfn = dp->lfn; mem_cpy(sn, fn, 12); - if (_FS_RPATH && (sn[NS] & NS_DOT)) /* Cannot create dot entry */ + if (_FS_RPATH && (sn[NSFLAG] & NS_DOT)) /* Cannot create dot entry */ return FR_INVALID_NAME; - if (sn[NS] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */ - fn[NS] = 0; dp->lfn = 0; /* Find only SFN */ + if (sn[NSFLAG] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */ + fn[NSFLAG] = 0; dp->lfn = 0; /* Find only SFN */ for (n = 1; n < 100; n++) { gen_numname(fn, sn, lfn, n); /* Generate a numbered name */ res = dir_find(dp); /* Check if the name collides with existing SFN */ @@ -1633,10 +1653,10 @@ FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many } 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' */ - fn[NS] = sn[NS]; dp->lfn = lfn; + fn[NSFLAG] = sn[NSFLAG]; dp->lfn = lfn; } - if (sn[NS] & NS_LFN) { /* When LFN is to be created, allocate entries for an SFN + LFNs. */ + if (sn[NSFLAG] & NS_LFN) { /* When LFN is to be created, allocate entries for an SFN + LFNs. */ for (n = 0; lfn[n]; n++) ; nent = (n + 25) / 13; } else { /* Otherwise allocate an entry for an SFN */ @@ -1667,7 +1687,7 @@ FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many mem_set(dp->dir, 0, SZ_DIR); /* Clean the entry */ mem_cpy(dp->dir, dp->fn, 11); /* Put SFN */ #if _USE_LFN - dp->dir[DIR_NTres] = dp->fn[NS] & (NS_BODY | NS_EXT); /* Put NT flag */ + dp->dir[DIR_NTres] = dp->fn[NSFLAG] & (NS_BODY | NS_EXT); /* Put NT flag */ #endif dp->fs->wflag = 1; } @@ -1923,7 +1943,7 @@ FRESULT create_name ( if ((b & 0x0C) == 0x04) cf |= NS_BODY; /* NT flag (Filename has only small capital) */ } - dp->fn[NS] = cf; /* SFN is created */ + dp->fn[NSFLAG] = cf; /* SFN is created */ return FR_OK; @@ -1947,7 +1967,7 @@ FRESULT create_name ( } if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME; *path = &p[si]; /* Return pointer to the next segment */ - sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of path */ + sfn[NSFLAG] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of path */ return FR_OK; } #endif @@ -1998,7 +2018,7 @@ FRESULT create_name ( if ((b & 0x03) == 0x01) c |= NS_EXT; /* NT flag (Name extension has only small capital) */ if ((b & 0x0C) == 0x04) c |= NS_BODY; /* NT flag (Name body has only small capital) */ - sfn[NS] = c; /* Store NT flag, File name is created */ + sfn[NSFLAG] = c; /* Store NT flag, File name is created */ return FR_OK; #endif @@ -2041,7 +2061,7 @@ FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ 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 sagment name */ - ns = dp->fn[NS]; + 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, */ @@ -2283,7 +2303,7 @@ FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */ 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)) /* (BPB_FATSz must not be less than needed) */ + if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) /* (BPB_FATSz must not be less than the size needed) */ return FR_NO_FILESYSTEM; #if !_FS_READONLY @@ -2471,7 +2491,7 @@ FRESULT f_open ( } } if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */ - dw = get_fattime(); /* Created time */ + dw = GET_FATTIME(); /* Created time */ ST_DWORD(dir+DIR_CrtTime, dw); dir[DIR_Attr] = 0; /* Reset attribute */ ST_DWORD(dir+DIR_FileSize, 0); /* size = 0 */ @@ -2597,7 +2617,7 @@ FRESULT f_read ( if (cc) { /* Read maximum contiguous sectors directly */ if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */ cc = fp->fs->csize - csect; - if (disk_read(fp->fs->drv, rbuff, sect, cc)) + if (disk_read(fp->fs->drv, rbuff, sect, cc) != RES_OK) ABORT(fp->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 @@ -2615,12 +2635,12 @@ FRESULT f_read ( if (fp->dsect != sect) { /* Load data sector if not in cache */ #if !_FS_READONLY if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1)) + if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) ABORT(fp->fs, FR_DISK_ERR); fp->flag &= ~FA__DIRTY; } #endif - if (disk_read(fp->fs->drv, fp->buf, sect, 1)) /* Fill sector cache */ + if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) /* Fill sector cache */ ABORT(fp->fs, FR_DISK_ERR); } #endif @@ -2629,7 +2649,7 @@ FRESULT f_read ( rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs)); /* Get partial sector data from sector buffer */ if (rcnt > btr) rcnt = btr; #if _FS_TINY - if (move_window(fp->fs, fp->dsect)) /* Move sector window */ + if (move_window(fp->fs, fp->dsect) != FR_OK) /* Move sector window */ ABORT(fp->fs, FR_DISK_ERR); mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */ #else @@ -2700,7 +2720,7 @@ FRESULT f_write ( ABORT(fp->fs, FR_DISK_ERR); #else if (fp->flag & FA__DIRTY) { /* Write-back sector cache */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1)) + if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) ABORT(fp->fs, FR_DISK_ERR); fp->flag &= ~FA__DIRTY; } @@ -2712,7 +2732,7 @@ FRESULT f_write ( if (cc) { /* Write maximum contiguous sectors directly */ if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */ cc = fp->fs->csize - csect; - if (disk_write(fp->fs->drv, wbuff, sect, cc)) + if (disk_write(fp->fs->drv, wbuff, sect, cc) != RES_OK) ABORT(fp->fs, FR_DISK_ERR); #if _FS_MINIMIZE <= 2 #if _FS_TINY @@ -2738,7 +2758,7 @@ FRESULT f_write ( #else if (fp->dsect != sect) { /* Fill sector cache with file data */ if (fp->fptr < fp->fsize && - disk_read(fp->fs->drv, fp->buf, sect, 1)) + disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) ABORT(fp->fs, FR_DISK_ERR); } #endif @@ -2747,7 +2767,7 @@ FRESULT f_write ( wcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */ if (wcnt > btw) wcnt = btw; #if _FS_TINY - if (move_window(fp->fs, fp->dsect)) /* Move sector window */ + if (move_window(fp->fs, fp->dsect) != FR_OK) /* Move sector window */ ABORT(fp->fs, FR_DISK_ERR); mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */ fp->fs->wflag = 1; @@ -2785,7 +2805,7 @@ FRESULT f_sync ( /* Write-back dirty buffer */ #if !_FS_TINY if (fp->flag & FA__DIRTY) { - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1)) + if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) LEAVE_FF(fp->fs, FR_DISK_ERR); fp->flag &= ~FA__DIRTY; } @@ -2797,7 +2817,7 @@ FRESULT f_sync ( dir[DIR_Attr] |= AM_ARC; /* Set archive bit */ ST_DWORD(dir+DIR_FileSize, fp->fsize); /* Update file size */ st_clust(dir, fp->sclust); /* Update start cluster */ - tm = get_fattime(); /* Update updated time */ + tm = GET_FATTIME(); /* Update updated time */ ST_DWORD(dir+DIR_WrtTime, tm); ST_WORD(dir+DIR_LstAccDate, 0); fp->flag &= ~FA__WRITTEN; @@ -3046,12 +3066,12 @@ FRESULT f_lseek ( #if !_FS_TINY #if !_FS_READONLY if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1)) + if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) ABORT(fp->fs, FR_DISK_ERR); fp->flag &= ~FA__DIRTY; } #endif - if (disk_read(fp->fs->drv, fp->buf, dsc, 1)) /* Load current sector */ + if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK) /* Load current sector */ ABORT(fp->fs, FR_DISK_ERR); #endif fp->dsect = dsc; @@ -3121,12 +3141,12 @@ FRESULT f_lseek ( #if !_FS_TINY #if !_FS_READONLY if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */ - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1)) + if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) ABORT(fp->fs, FR_DISK_ERR); fp->flag &= ~FA__DIRTY; } #endif - if (disk_read(fp->fs->drv, fp->buf, nsect, 1)) /* Fill sector cache */ + if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK) /* Fill sector cache */ ABORT(fp->fs, FR_DISK_ERR); #endif fp->dsect = nsect; @@ -3417,7 +3437,7 @@ FRESULT f_truncate ( } #if !_FS_TINY if (res == FR_OK && (fp->flag & FA__DIRTY)) { - if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1)) + if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) res = FR_DISK_ERR; else fp->flag &= ~FA__DIRTY; @@ -3444,7 +3464,7 @@ FRESULT f_unlink ( FRESULT res; DIR dj, sdj; BYTE *dir; - DWORD dclst; + DWORD dclst = 0; DEF_NAMEBUF; @@ -3453,45 +3473,43 @@ FRESULT f_unlink ( if (res == FR_OK) { INIT_BUF(dj); res = follow_path(&dj, path); /* Follow the file path */ - if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) + if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT)) res = FR_INVALID_NAME; /* Cannot remove dot entry */ #if _FS_LOCK - if (res == FR_OK) res = chk_lock(&dj, 2); /* Cannot remove open file */ + if (res == FR_OK) res = chk_lock(&dj, 2); /* Cannot remove open object */ #endif if (res == FR_OK) { /* The object is accessible */ dir = dj.dir; if (!dir) { - res = FR_INVALID_NAME; /* Cannot remove the start directory */ + res = FR_INVALID_NAME; /* Cannot remove the origin directory */ } else { if (dir[DIR_Attr] & AM_RDO) res = FR_DENIED; /* Cannot remove R/O object */ } - dclst = ld_clust(dj.fs, dir); if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) { /* Is it a sub-dir? */ - if (dclst < 2) { + dclst = ld_clust(dj.fs, dir); + if (!dclst) { res = FR_INT_ERR; - } else { - mem_cpy(&sdj, &dj, sizeof (DIR)); /* Check if the sub-directory is empty or not */ + } else { /* Make sure the sub-directory is empty */ + mem_cpy(&sdj, &dj, sizeof (DIR)); sdj.sclust = dclst; res = dir_sdi(&sdj, 2); /* Exclude dot entries */ if (res == FR_OK) { res = dir_read(&sdj, 0); /* Read an item */ if (res == FR_OK /* Not empty directory */ #if _FS_RPATH - || dclst == dj.fs->cdir /* Current directory */ + || dclst == dj.fs->cdir /* or current directory */ #endif ) res = FR_DENIED; - if (res == FR_NO_FILE) res = FR_OK; /* Empty */ + if (res == FR_NO_FILE) res = FR_OK; /* It is empty */ } } } if (res == FR_OK) { res = dir_remove(&dj); /* Remove the directory entry */ - if (res == FR_OK) { - if (dclst) /* Remove the cluster chain if exist */ - res = remove_chain(dj.fs, dclst); - if (res == FR_OK) res = sync_fs(dj.fs); - } + if (res == FR_OK && dclst) /* Remove the cluster chain if exist */ + res = remove_chain(dj.fs, dclst); + if (res == FR_OK) res = sync_fs(dj.fs); } } FREE_BUF(); @@ -3514,7 +3532,7 @@ FRESULT f_mkdir ( FRESULT res; DIR dj; BYTE *dir, n; - DWORD dsc, dcl, pcl, tm = get_fattime(); + DWORD dsc, dcl, pcl, tm = GET_FATTIME(); DEF_NAMEBUF; @@ -3524,7 +3542,7 @@ FRESULT f_mkdir ( INIT_BUF(dj); 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[NS] & NS_DOT)) + 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.fs, 0); /* Allocate a cluster for the new directory table */ @@ -3599,7 +3617,7 @@ FRESULT f_chmod ( INIT_BUF(dj); res = follow_path(&dj, path); /* Follow the file path */ FREE_BUF(); - if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) + if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT)) res = FR_INVALID_NAME; if (res == FR_OK) { dir = dj.dir; @@ -3620,48 +3638,6 @@ FRESULT f_chmod ( -/*-----------------------------------------------------------------------*/ -/* 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; - BYTE *dir; - DEF_NAMEBUF; - - - /* Get logical drive number */ - res = find_volume(&dj.fs, &path, 1); - if (res == FR_OK) { - INIT_BUF(dj); - res = follow_path(&dj, path); /* Follow the file path */ - FREE_BUF(); - if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) - res = FR_INVALID_NAME; - if (res == FR_OK) { - dir = dj.dir; - if (!dir) { /* Root directory */ - res = FR_INVALID_NAME; - } else { /* File or sub-directory */ - ST_WORD(dir+DIR_WrtTime, fno->ftime); - ST_WORD(dir+DIR_WrtDate, fno->fdate); - dj.fs->wflag = 1; - res = sync_fs(dj.fs); - } - } - } - - LEAVE_FF(dj.fs, res); -} - - - - /*-----------------------------------------------------------------------*/ /* Rename File/Directory */ /*-----------------------------------------------------------------------*/ @@ -3684,7 +3660,7 @@ FRESULT f_rename ( djn.fs = djo.fs; INIT_BUF(djo); res = follow_path(&djo, path_old); /* Check old object */ - if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT)) + if (_FS_RPATH && res == FR_OK && (djo.fn[NSFLAG] & NS_DOT)) res = FR_INVALID_NAME; #if _FS_LOCK if (res == FR_OK) res = chk_lock(&djo, 2); @@ -3696,19 +3672,19 @@ FRESULT f_rename ( mem_cpy(buf, djo.dir+DIR_Attr, 21); /* Save the object information except name */ mem_cpy(&djn, &djo, sizeof (DIR)); /* Duplicate the directory object */ if (get_ldnumber(&path_new) >= 0) /* Snip drive number off and ignore it */ - res = follow_path(&djn, path_new); /* and check if new object is exist */ + res = follow_path(&djn, path_new); /* and make sure if new object name is not conflicting */ else res = FR_INVALID_DRIVE; if (res == FR_OK) res = FR_EXIST; /* The new object name is already existing */ - if (res == FR_NO_FILE) { /* Is it a valid path and no name collision? */ -/* Start critical section that any interruption can cause a cross-link */ + if (res == FR_NO_FILE) { /* It is a valid path and no name collision */ +/* Start of critical section that any interruption can cause a cross-link */ res = dir_register(&djn); /* Register the new entry */ if (res == FR_OK) { dir = djn.dir; /* Copy object information except name */ mem_cpy(dir+13, buf+2, 19); dir[DIR_Attr] = buf[0] | AM_ARC; djo.fs->wflag = 1; - if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) { /* Update .. entry in the directory if needed */ + if ((dir[DIR_Attr] & AM_DIR) && djo.sclust != djn.sclust) { /* Update .. entry in the directory if needed */ dw = clust2sect(djo.fs, ld_clust(djo.fs, dir)); if (!dw) { res = FR_INT_ERR; @@ -3716,8 +3692,7 @@ FRESULT f_rename ( res = move_window(djo.fs, dw); dir = djo.fs->win+SZ_DIR; /* .. entry */ if (res == FR_OK && dir[1] == '.') { - dw = (djo.fs->fs_type == FS_FAT32 && djn.sclust == djo.fs->dirbase) ? 0 : djn.sclust; - st_clust(dir, dw); + st_clust(dir, djn.sclust); djo.fs->wflag = 1; } } @@ -3728,7 +3703,7 @@ FRESULT f_rename ( res = sync_fs(djo.fs); } } -/* End critical section */ +/* End of critical section */ } } } @@ -3738,6 +3713,48 @@ FRESULT f_rename ( LEAVE_FF(djo.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; + BYTE *dir; + DEF_NAMEBUF; + + + /* Get logical drive number */ + res = find_volume(&dj.fs, &path, 1); + if (res == FR_OK) { + INIT_BUF(dj); + res = follow_path(&dj, path); /* Follow the file path */ + FREE_BUF(); + if (_FS_RPATH && res == FR_OK && (dj.fn[NSFLAG] & NS_DOT)) + res = FR_INVALID_NAME; + if (res == FR_OK) { + dir = dj.dir; + if (!dir) { /* Root directory */ + res = FR_INVALID_NAME; + } else { /* File or sub-directory */ + ST_WORD(dir+DIR_WrtTime, fno->ftime); + ST_WORD(dir+DIR_WrtDate, fno->fdate); + dj.fs->wflag = 1; + res = sync_fs(dj.fs); + } + } + } + + LEAVE_FF(dj.fs, res); +} + #endif /* !_FS_READONLY */ #endif /* _FS_MINIMIZE == 0 */ #endif /* _FS_MINIMIZE <= 1 */ @@ -3871,7 +3888,7 @@ FRESULT f_setlabel ( if (res == FR_OK) { /* A volume label is found */ if (vn[0]) { mem_cpy(dj.dir, vn, 11); /* Change the volume label name */ - tm = get_fattime(); + tm = GET_FATTIME(); ST_DWORD(dj.dir+DIR_WrtTime, tm); } else { dj.dir[0] = DDE; /* Remove the volume label */ @@ -3887,7 +3904,7 @@ FRESULT f_setlabel ( mem_set(dj.dir, 0, SZ_DIR); /* Set volume label */ mem_cpy(dj.dir, vn, 11); dj.dir[DIR_Attr] = AM_VOL; - tm = get_fattime(); + tm = GET_FATTIME(); ST_DWORD(dj.dir+DIR_WrtTime, tm); dj.fs->wflag = 1; res = sync_fs(dj.fs); @@ -3950,7 +3967,7 @@ FRESULT f_forward ( sect = clust2sect(fp->fs, fp->clust); /* Get current data sector */ if (!sect) ABORT(fp->fs, FR_INT_ERR); sect += csect; - if (move_window(fp->fs, sect)) /* Move sector window */ + if (move_window(fp->fs, sect) != FR_OK) /* Move sector window */ ABORT(fp->fs, FR_DISK_ERR); fp->dsect = sect; rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs)); /* Forward data from sector window */ @@ -3970,13 +3987,13 @@ FRESULT f_forward ( /* Create File System on the Drive */ /*-----------------------------------------------------------------------*/ #define N_ROOTDIR 512 /* Number of root directory entries for FAT12/16 */ -#define N_FATS 1 /* Number of FAT copies (1 or 2) */ +#define N_FATS 1 /* Number of FATs (1 or 2) */ FRESULT f_mkfs ( const TCHAR* path, /* Logical drive number */ BYTE sfd, /* Partitioning rule 0:FDISK, 1:SFD */ - UINT au /* Allocation unit [bytes] */ + UINT au /* Size of allocation unit in unit of byte or sector */ ) { static const WORD vst[] = { 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 0}; @@ -3992,10 +4009,9 @@ FRESULT f_mkfs ( /* Check mounted drive and clear work area */ + if (sfd > 1) return FR_INVALID_PARAMETER; vol = get_ldnumber(&path); if (vol < 0) return FR_INVALID_DRIVE; - if (sfd > 1) return FR_INVALID_PARAMETER; - if (au & (au - 1)) return FR_INVALID_PARAMETER; fs = FatFs[vol]; if (!fs) return FR_NOT_ENABLED; fs->fs_type = 0; @@ -4012,7 +4028,7 @@ FRESULT f_mkfs ( #endif if (_MULTI_PARTITION && part) { /* Get partition information from partition table in the MBR */ - if (disk_read(pdrv, fs->win, 0, 1)) return FR_DISK_ERR; + if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR; if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED; tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; if (!tbl[4]) return FR_MKFS_ABORTED; /* No partition? */ @@ -4026,13 +4042,14 @@ FRESULT f_mkfs ( n_vol -= b_vol; /* Volume size */ } - if (!au) { /* AU auto selection */ + if (au & (au - 1)) au = 0; + if (!au) { /* AU auto selection */ vs = n_vol / (2000 / (SS(fs) / 512)); for (i = 0; vs < vst[i]; i++) ; au = cst[i]; } - au /= SS(fs); /* Number of sectors per cluster */ - if (au == 0) au = 1; + if (au >= _MIN_SS) au /= SS(fs); /* Number of sectors per cluster */ + if (!au) au = 1; if (au > 128) au = 128; /* Pre-compute number of clusters and FAT sub-type */ @@ -4089,7 +4106,7 @@ FRESULT f_mkfs ( /* Update system ID in the partition table */ tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; tbl[4] = sys; - if (disk_write(pdrv, fs->win, 0, 1)) /* Write it to teh MBR */ + if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) /* Write it to teh MBR */ return FR_DISK_ERR; md = 0xF8; } else { @@ -4109,7 +4126,7 @@ FRESULT f_mkfs ( ST_DWORD(tbl+8, 63); /* Partition start in LBA */ ST_DWORD(tbl+12, n_vol); /* Partition size in LBA */ ST_WORD(fs->win+BS_55AA, 0xAA55); /* MBR signature */ - if (disk_write(pdrv, fs->win, 0, 1)) /* Write it to the MBR */ + if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) /* Write it to the MBR */ return FR_DISK_ERR; md = 0xF8; } @@ -4135,7 +4152,7 @@ FRESULT f_mkfs ( ST_WORD(tbl+BPB_SecPerTrk, 63); /* Number of sectors per track */ ST_WORD(tbl+BPB_NumHeads, 255); /* Number of heads */ ST_DWORD(tbl+BPB_HiddSec, b_vol); /* Hidden sectors */ - n = get_fattime(); /* Use current time as VSN */ + n = GET_FATTIME(); /* Use current time as VSN */ if (fmt == FS_FAT32) { ST_DWORD(tbl+BS_VolID32, n); /* VSN */ ST_DWORD(tbl+BPB_FATSz32, n_fat); /* Number of sectors per FAT */ @@ -4153,7 +4170,7 @@ FRESULT f_mkfs ( mem_cpy(tbl+BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */ } ST_WORD(tbl+BS_55AA, 0xAA55); /* Signature (Offset is fixed here regardless of sector size) */ - if (disk_write(pdrv, tbl, b_vol, 1)) /* Write it to the VBR sector */ + if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK) /* Write it to the VBR sector */ return FR_DISK_ERR; if (fmt == FS_FAT32) /* Write backup VBR if needed (VBR+6) */ disk_write(pdrv, tbl, b_vol + 6, 1); @@ -4172,11 +4189,11 @@ FRESULT f_mkfs ( ST_DWORD(tbl+4, 0xFFFFFFFF); ST_DWORD(tbl+8, 0x0FFFFFFF); /* Reserve cluster #2 for root directory */ } - if (disk_write(pdrv, tbl, wsect++, 1)) + if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) return FR_DISK_ERR; mem_set(tbl, 0, SS(fs)); /* Fill following FAT entries with zero */ for (n = 1; n < n_fat; n++) { /* This loop may take a time on FAT32 volume due to many single sector writes */ - if (disk_write(pdrv, tbl, wsect++, 1)) + if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) return FR_DISK_ERR; } } @@ -4184,16 +4201,16 @@ FRESULT f_mkfs ( /* Initialize root directory */ i = (fmt == FS_FAT32) ? au : (UINT)n_dir; do { - if (disk_write(pdrv, tbl, wsect++, 1)) + if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) return FR_DISK_ERR; } while (--i); -#if _USE_ERASE /* Erase data area if needed */ +#if _USE_TRIM /* Erase data area if needed */ { DWORD eb[2]; eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1; - disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb); + disk_ioctl(pdrv, CTRL_TRIM, eb); } #endif @@ -4276,7 +4293,7 @@ FRESULT f_fdisk ( ST_WORD(p, 0xAA55); /* Write it to the MBR */ - return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK; + return (disk_write(pdrv, buf, 0, 1) != RES_OK || disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) ? FR_DISK_ERR : FR_OK; } diff --git a/fatfs/src/ff.h b/fatfs/src/ff.h index 9894921..5eaad5f 100644 --- a/fatfs/src/ff.h +++ b/fatfs/src/ff.h @@ -1,5 +1,5 @@ /*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module include file R0.10b (C)ChaN, 2014 +/ FatFs - FAT file system module include file R0.10c (C)ChaN, 2014 /----------------------------------------------------------------------------/ / FatFs module is a generic FAT file system module for small embedded systems. / This is a free software that opened for education, research and commercial @@ -15,7 +15,7 @@ /----------------------------------------------------------------------------*/ #ifndef _FATFS -#define _FATFS 8051 /* Revision ID */ +#define _FATFS 80376 /* Revision ID */ #ifdef __cplusplus extern "C" { @@ -23,7 +23,6 @@ extern "C" { #include "integer.h" /* Basic integer types */ #include "ffconf.h" /* FatFs configuration options */ - #if _FATFS != _FFCONF #error Wrong configuration file (ffconf.h). #endif @@ -236,7 +235,7 @@ 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) (((fp)->fptr == (fp)->fsize) ? 1 : 0) +#define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize)) #define f_error(fp) ((fp)->err) #define f_tell(fp) ((fp)->fptr) #define f_size(fp) ((fp)->fsize) @@ -252,7 +251,7 @@ TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the fil /* Additional user defined functions */ /* RTC function */ -#if !_FS_READONLY +#if !_FS_READONLY && !_FS_NORTC DWORD get_fattime (void); #endif diff --git a/fatfs/src/ffconf.h b/fatfs/src/ffconf.h index d883c14..f968d7e 100644 --- a/fatfs/src/ffconf.h +++ b/fatfs/src/ffconf.h @@ -1,30 +1,30 @@ /*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module configuration file R0.10b (C)ChaN, 2014 +/ FatFs - FAT file system module configuration file R0.10c (C)ChaN, 2014 /---------------------------------------------------------------------------*/ -#ifndef _FFCONF -#define _FFCONF 8051 /* Revision ID */ - +#define _FFCONF 80376 /* Revision ID */ /*---------------------------------------------------------------------------/ / Functions and Buffer Configurations /---------------------------------------------------------------------------*/ -#define _FS_TINY 0 /* 0:Normal or 1:Tiny */ -/* When _FS_TINY is set to 1, it reduces memory consumption _MAX_SS bytes each -/ file object. For file data transfer, FatFs uses the common sector buffer in -/ the file system object (FATFS) instead of private sector buffer eliminated -/ from the file object (FIL). */ +#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_READONLY 0 /* 0:Read/Write or 1:Read only */ -/* Setting _FS_READONLY to 1 defines read only configuration. This removes -/ writing functions, f_write(), f_sync(), f_unlink(), f_mkdir(), f_chmod(), -/ f_rename(), f_truncate() and useless f_getfree(). */ +#define _FS_READONLY 0 +/* This option switches read-only configuration. (0:Read/Write or 1:Read-only) +/ Read-only configuration removes basic 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 /* 0 to 3 */ -/* The _FS_MINIMIZE option defines minimization level to remove API functions. +#define _FS_MINIMIZE 0 +/* This option defines minimization level to remove some API functions. / / 0: All basic functions are enabled. / 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(), @@ -33,24 +33,32 @@ / 3: f_lseek() function is removed in addition to 2. */ -#define _USE_STRFUNC 0 /* 0:Disable or 1-2:Enable */ -/* To enable string functions, set _USE_STRFUNC to 1 or 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_MKFS 0 /* 0:Disable or 1:Enable */ -/* To enable f_mkfs() function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */ +#define _USE_MKFS 0 +/* This option switches f_mkfs() function. (0:Disable or 1:Enable) +/ To enable it, also _FS_READONLY need to be set to 0. */ -#define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */ -/* To enable fast seek feature, set _USE_FASTSEEK to 1. */ +#define _USE_FASTSEEK 0 +/* This option switches fast seek feature. (0:Disable or 1:Enable) */ -#define _USE_LABEL 0 /* 0:Disable or 1:Enable */ -/* To enable volume label functions, set _USE_LAVEL to 1 */ +#define _USE_LABEL 0 +/* This option switches volume label functions, f_getlabel() and f_setlabel(). +/ (0:Disable or 1:Enable) */ -#define _USE_FORWARD 0 /* 0:Disable or 1:Enable */ -/* To enable f_forward() function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */ +#define _USE_FORWARD 0 +/* This option switches f_forward() function. (0:Disable or 1:Enable) */ +/* To enable it, also _FS_TINY need to be set to 1. */ /*---------------------------------------------------------------------------/ @@ -58,7 +66,7 @@ /---------------------------------------------------------------------------*/ #define _CODE_PAGE 932 -/* The _CODE_PAGE specifies the OEM code page to be used on the target system. +/* 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. / / 932 - Japanese Shift_JIS (DBCS, OEM, Windows) @@ -86,11 +94,11 @@ / 857 - Turkish (OEM) / 862 - Hebrew (OEM) / 874 - Thai (OEM, Windows) -/ 1 - ASCII (Valid for only non-LFN configuration) */ +/ 1 - ASCII (No extended character. Valid for only non-LFN configuration.) */ -#define _USE_LFN 0 /* 0 to 3 */ -#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */ +#define _USE_LFN 0 +#define _MAX_LFN 255 /* The _USE_LFN option switches the LFN feature. / / 0: Disable LFN feature. _MAX_LFN has no effect. @@ -98,35 +106,39 @@ / 2: Enable LFN with dynamic working buffer on the STACK. / 3: Enable LFN with dynamic working buffer on the HEAP. / -/ When enable LFN feature, Unicode handling functions ff_convert() and ff_wtoupper() -/ function must be added to the project. -/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. 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. */ +/ When enable the LFN feature, Unicode handling functions (option/unicode.c) must +/ be added to the project. The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. +/ 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 /* 0:ANSI/OEM or 1:Unicode */ -/* To switch the character encoding on the FatFs API (TCHAR) to Unicode, enable LFN -/ feature and set _LFN_UNICODE to 1. This option affects behavior of string I/O -/ functions. This option must be 0 when LFN feature is not enabled. */ +#define _LFN_UNICODE 0 +/* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode) +/ To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE +/ to 1. This option also affects behavior of string I/O functions. */ -#define _STRF_ENCODE 3 /* 0:ANSI/OEM, 1:UTF-16LE, 2:UTF-16BE, 3:UTF-8 */ -/* When Unicode API is enabled by _LFN_UNICODE option, 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(). This option has no effect when _LFN_UNICODE == 0. Note that -/ FatFs supports only BMP. */ +#define _STRF_ENCODE 3 +/* When _LFN_UNICODE is 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 +/ +/ When _LFN_UNICODE is 0, this option has no effect. */ -#define _FS_RPATH 0 /* 0 to 2 */ -/* The _FS_RPATH option configures relative path feature. +#define _FS_RPATH 0 +/* This option configures relative path feature. / / 0: Disable relative path feature and remove related functions. -/ 1: Enable relative path. f_chdrive() and f_chdir() function are available. +/ 1: Enable relative path feature. f_chdir() and f_chdrive() are available. / 2: f_getcwd() function is available in addition to 1. / -/ Note that output of the f_readdir() fnction is affected by this option. */ +/ Note that directory items read via f_readdir() are affected by this option. */ /*---------------------------------------------------------------------------/ @@ -137,39 +149,43 @@ /* Number of volumes (logical drives) to be used. */ -#define _STR_VOLUME_ID 0 /* 0:Use only 0-9 for drive ID, 1:Use strings for drive ID */ +#define _STR_VOLUME_ID 0 #define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3" -/* 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: 0-9 and A-Z. */ +/* _STR_VOLUME_ID option switches string volume ID feature. +/ 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 0 /* 0:Single partition, 1:Enable multiple partition */ -/* By default(0), each logical drive number is bound to the same physical drive number -/ and only a FAT volume found on the physical drive is mounted. When it is set to 1, -/ each logical drive number is bound to arbitrary drive/partition listed in VolToPart[]. -*/ +#define _MULTI_PARTITION 0 +/* This option switches multi-partition feature. 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 feature is enabled (1), +/ each logical drive number is bound to arbitrary physical drive and partition +/ listed in the VolToPart[]. Also f_fdisk() funciton will be enabled. */ #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 memory card 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. */ +/* 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_ERASE 0 /* 0:Disable or 1:Enable */ -/* To enable sector erase feature, set _USE_ERASE to 1. Also CTRL_ERASE_SECTOR command -/ should be added to the disk_ioctl() function. */ +#define _USE_TRIM 0 +/* This option switches ATA-TRIM feature. (0:Disable or 1:Enable) +/ To enable Trim feature, also CTRL_TRIM command should be implemented to the +/ disk_ioctl() function. */ -#define _FS_NOFSINFO 0 /* 0 to 3 */ -/* 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 last allocated cluster number as bit 0. +#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. @@ -183,46 +199,72 @@ / System Configurations /---------------------------------------------------------------------------*/ -#define _FS_LOCK 0 /* 0:Disable or >=1:Enable */ -/* To enable file lock control feature, set _FS_LOCK to non-zero value. -/ The value defines how many files/sub-directories can be opened simultaneously -/ with file lock control. This feature uses bss _FS_LOCK * 12 bytes. */ - - -#define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */ -#define _FS_TIMEOUT 1000 /* Timeout period in unit of time tick */ -#define _SYNC_t HANDLE /* O/S dependent sync object type. e.g. HANDLE, OS_EVENT*, ID, SemaphoreHandle_t and etc.. */ -/* The _FS_REENTRANT option switches the re-entrancy (thread safe) of the FatFs module. +#define _FS_NORTC 0 +#define _NORTC_MON 11 +#define _NORTC_MDAY 9 +#define _NORTC_YEAR 2014 +/* The _FS_NORTC option switches timestamp feature. If the system does not have +/ an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable +/ the timestamp feature. All objects modified by FatFs will have a fixed timestamp +/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR. +/ When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need +/ to be added to the project to read current time form RTC. _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 _FS_LOCK option switches file lock feature 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 feature. To avoid volume corruption, application program +/ should avoid illegal open, remove and rename to the open objects. +/ >0: Enable file lock feature. The value defines how many files/sub-directories +/ can be opened simultaneously under file lock control. Note that the file +/ lock feature is independent of re-entrancy. */ + + +#define _FS_REENTRANT 0 +#define _FS_TIMEOUT 1000 +#define _SYNC_t HANDLE +/* The _FS_REENTRANT option 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 feature. / / 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. -*/ +/ 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.. */ -#define _WORD_ACCESS 0 /* 0 or 1 */ +#define _WORD_ACCESS 0 /* The _WORD_ACCESS option is an only platform dependent option. It defines / which access method is used to the word data on the FAT volume. / / 0: Byte-by-byte access. Always compatible with all platforms. / 1: Word access. Do not choose this unless under both the following conditions. / -/ * Address misaligned memory access is always allowed for ALL instructions. +/ * Address misaligned memory access is always allowed to ALL instructions. / * Byte order on the memory is little-endian. / -/ If it is the case, _WORD_ACCESS can also be set to 1 to improve performance and -/ reduce code size. Following table shows an example of some processor types. +/ If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size. +/ Following table shows allowable settings of some processor types. / / ARM7TDMI 0 ColdFire 0 V850E 0 / Cortex-M3 0 Z80 0/1 V850ES 0/1 -/ Cortex-M0 0 RX600(LE) 0/1 TLCS-870 0/1 -/ AVR 0/1 RX600(BE) 0 TLCS-900 0/1 +/ Cortex-M0 0 x86 0/1 TLCS-870 0/1 +/ AVR 0/1 RX600(LE) 0/1 TLCS-900 0/1 / AVR32 0 RL78 0 R32C 0 / PIC18 0/1 SH-2 0 M16C 0/1 / PIC24 0 H8S 0 MSP430 0 -/ PIC32 0 H8/300H 0 x86 0/1 +/ PIC32 0 H8/300H 0 8051 0/1 */ - -#endif /* _FFCONF */ diff --git a/fatfs/src/option/cc932.c b/fatfs/src/option/cc932.c index 26ac70f..36db384 100644 --- a/fatfs/src/option/cc932.c +++ b/fatfs/src/option/cc932.c @@ -3739,10 +3739,10 @@ WCHAR ff_convert ( /* Converted code, 0 means conversion error */ #if !_TINY_TABLE if (dir) { /* OEMCP to unicode */ p = sjis2uni; - hi = sizeof(sjis2uni) / 4 - 1; + hi = sizeof sjis2uni / 4 - 1; } else { /* Unicode to OEMCP */ p = uni2sjis; - hi = sizeof(uni2sjis) / 4 - 1; + hi = sizeof uni2sjis / 4 - 1; } li = 0; for (n = 16; n; n--) { @@ -3764,7 +3764,7 @@ WCHAR ff_convert ( /* Converted code, 0 means conversion error */ p -= 3; c = *p; } else { /* Unicode to OEMCP */ - li = 0; hi = sizeof(uni2sjis) / 4 - 1; + li = 0; hi = sizeof uni2sjis / 4 - 1; for (n = 16; n; n--) { i = li + (hi - li) / 2; if (chr == uni2sjis[i * 2]) break; diff --git a/fatfs/src/option/cc936.c b/fatfs/src/option/cc936.c index 07a7c1c..84bc329 100644 --- a/fatfs/src/option/cc936.c +++ b/fatfs/src/option/cc936.c @@ -10936,10 +10936,10 @@ WCHAR ff_convert ( /* Converted code, 0 means conversion error */ } else { if (dir) { /* OEMCP to unicode */ p = oem2uni; - hi = sizeof(oem2uni) / 4 - 1; + hi = sizeof oem2uni / 4 - 1; } else { /* Unicode to OEMCP */ p = uni2oem; - hi = sizeof(uni2oem) / 4 - 1; + hi = sizeof uni2oem / 4 - 1; } li = 0; for (n = 16; n; n--) { diff --git a/fatfs/src/option/cc949.c b/fatfs/src/option/cc949.c index 1fd075d..0abda85 100644 --- a/fatfs/src/option/cc949.c +++ b/fatfs/src/option/cc949.c @@ -8565,10 +8565,10 @@ WCHAR ff_convert ( /* Converted code, 0 means conversion error */ } else { if (dir) { /* OEMCP to unicode */ p = oem2uni; - hi = sizeof(oem2uni) / 4 - 1; + hi = sizeof oem2uni / 4 - 1; } else { /* Unicode to OEMCP */ p = uni2oem; - hi = sizeof(uni2oem) / 4 - 1; + hi = sizeof uni2oem / 4 - 1; } li = 0; for (n = 16; n; n--) { diff --git a/fatfs/src/option/cc950.c b/fatfs/src/option/cc950.c index a3c9c44..d914b6d 100644 --- a/fatfs/src/option/cc950.c +++ b/fatfs/src/option/cc950.c @@ -6791,10 +6791,10 @@ WCHAR ff_convert ( /* Converted code, 0 means conversion error */ } else { if (dir) { /* OEMCP to unicode */ p = oem2uni; - hi = sizeof(oem2uni) / 4 - 1; + hi = sizeof oem2uni / 4 - 1; } else { /* Unicode to OEMCP */ p = uni2oem; - hi = sizeof(uni2oem) / 4 - 1; + hi = sizeof uni2oem / 4 - 1; } li = 0; for (n = 16; n; n--) { diff --git a/fatfs/src/option/ccsbcs.c b/fatfs/src/option/ccsbcs.c index d6897bc..b16db30 100644 --- a/fatfs/src/option/ccsbcs.c +++ b/fatfs/src/option/ccsbcs.c @@ -444,7 +444,7 @@ const WCHAR Tbl[] = { /* CP1256(0x80-0xFF) to Unicode conversion table */ 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF, 0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7, 0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2 -} +}; #elif _CODE_PAGE == 1257 #define _TBLDEF 1 diff --git a/fatfs/src/option/syscall.c b/fatfs/src/option/syscall.c index ccfd47e..2036cb7 100644 --- a/fatfs/src/option/syscall.c +++ b/fatfs/src/option/syscall.c @@ -1,10 +1,8 @@ /*------------------------------------------------------------------------*/ /* Sample code of OS dependent controls for FatFs */ -/* (C)ChaN, 2012 */ +/* (C)ChaN, 2014 */ /*------------------------------------------------------------------------*/ -#include /* ANSI memory controls */ -#include /* ANSI memory controls */ #include "../ff.h" @@ -13,14 +11,14 @@ /*------------------------------------------------------------------------*/ /* Create a Synchronization Object /*------------------------------------------------------------------------*/ -/* This function is called by f_mount() function to create a new -/ synchronization object, such as semaphore and mutex. When a 0 is -/ returned, the f_mount() function fails with FR_INT_ERR. +/* This function is called in f_mount() function to create a new +/ synchronization object, such as semaphore and mutex. When a 0 is returned, +/ the f_mount() function fails with FR_INT_ERR. */ -int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create due to any error */ +int ff_cre_syncobj ( /* !=0:Function succeeded, ==0:Could not create due to any error */ BYTE vol, /* Corresponding logical drive being processed */ - _SYNC_t* sobj /* Pointer to return the created sync object */ + _SYNC_t *sobj /* Pointer to return the created sync object */ ) { int ret; @@ -29,13 +27,13 @@ int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create due to any erro *sobj = CreateMutex(NULL, FALSE, NULL); /* Win32 */ ret = (int)(*sobj != INVALID_HANDLE_VALUE); -// *sobj = SyncObjects[vol]; /* uITRON (give a static created semaphore) */ -// ret = 1; +// *sobj = SyncObjects[vol]; /* uITRON (give a static created sync object) */ +// ret = 1; /* The initial value of the semaphore must be 1. */ -// *sobj = OSMutexCreate(0, &err); /* uC/OS-II */ +// *sobj = OSMutexCreate(0, &err); /* uC/OS-II */ // ret = (int)(err == OS_NO_ERR); -// *sobj = xSemaphoreCreateMutex(); /* FreeRTOS */ +// *sobj = xSemaphoreCreateMutex(); /* FreeRTOS */ // ret = (int)(*sobj != NULL); return ret; @@ -47,11 +45,11 @@ int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create due to any erro /* Delete a Synchronization Object */ /*------------------------------------------------------------------------*/ /* This function is called in f_mount() function to delete a synchronization -/ object that created with ff_cre_syncobj() function. When a 0 is -/ returned, the f_mount() function fails with FR_INT_ERR. +/ object that created with ff_cre_syncobj function. When a 0 is returned, +/ the f_mount() function fails with FR_INT_ERR. */ -int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to any error */ +int ff_del_syncobj ( /* !=0:Function succeeded, ==0:Could not delete due to any error */ _SYNC_t sobj /* Sync object tied to the logical drive to be deleted */ ) { @@ -65,7 +63,7 @@ int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to any erro // OSMutexDel(sobj, OS_DEL_ALWAYS, &err); /* uC/OS-II */ // ret = (int)(err == OS_NO_ERR); -// xSemaphoreDelete(sobj); /* FreeRTOS */ +// vSemaphoreDelete(sobj); /* FreeRTOS */ // ret = 1; return ret; @@ -77,10 +75,10 @@ int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to any erro /* Request Grant to Access the Volume */ /*------------------------------------------------------------------------*/ /* This function is called on entering file functions to lock the volume. -/ When a FALSE is returned, the file function fails with FR_TIMEOUT. +/ When a 0 is returned, the file function fails with FR_TIMEOUT. */ -int ff_req_grant ( /* TRUE:Got a grant to access the volume, FALSE:Could not get a grant */ +int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */ _SYNC_t sobj /* Sync object to wait */ ) { @@ -135,7 +133,7 @@ void* ff_memalloc ( /* Returns pointer to the allocated memory block */ UINT msize /* Number of bytes to allocate */ ) { - return malloc(msize); + return malloc(msize); /* Allocate a new memory block with POSIX API */ } @@ -147,7 +145,7 @@ void ff_memfree ( void* mblock /* Pointer to the memory block to free */ ) { - free(mblock); + free(mblock); /* Discard the memory block with POSIX API */ } #endif -- cgit v1.2.3