Macros | |
| #define | _DF1S 0 |
| #define | _EXCVT |
| #define | ABORT(fs, res) { fp->flag |= FA__ERROR; LEAVE_FF(fs, res); } |
| #define | BPB_BkBootSec 50 /* Offset of backup boot sectot (2) */ |
| #define | BPB_BytsPerSec 11 /* Sector size [byte] (2) */ |
| #define | BPB_ExtFlags 40 /* Extended flags (2) */ |
| #define | BPB_FATSz16 22 /* FAT size [sector] (2) */ |
| #define | BPB_FATSz32 36 /* FAT size [sector] (4) */ |
| #define | BPB_FSInfo 48 /* Offset of FSInfo sector (2) */ |
| #define | BPB_FSVer 42 /* File system version (2) */ |
| #define | BPB_HiddSec 28 /* Number of special hidden sectors (4) */ |
| #define | BPB_Media 21 /* Media descriptor (1) */ |
| #define | BPB_NumFATs 16 /* Number of FAT copies (1) */ |
| #define | BPB_NumHeads 26 /* Number of heads (2) */ |
| #define | BPB_RootClus 44 /* Root dir first cluster (4) */ |
| #define | BPB_RootEntCnt 17 /* Number of root dir entries for FAT12/16 (2) */ |
| #define | BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */ |
| #define | BPB_SecPerClus 13 /* Cluster size [sector] (1) */ |
| #define | BPB_SecPerTrk 24 /* Track size [sector] (2) */ |
| #define | BPB_TotSec16 19 /* Volume size [sector] (2) */ |
| #define | BPB_TotSec32 32 /* Volume size [sector] (4) */ |
| #define | BS_55AA 510 /* Boot sector signature (2) */ |
| #define | BS_BootSig 38 /* Extended boot signature (1) */ |
| #define | BS_BootSig32 66 /* Extended boot signature (1) */ |
| #define | BS_DrvNum 36 /* Physical drive number (2) */ |
| #define | BS_DrvNum32 64 /* Physical drive number (2) */ |
| #define | BS_FilSysType 54 /* File system type (1) */ |
| #define | BS_FilSysType32 82 /* File system type (1) */ |
| #define | BS_jmpBoot 0 /* Jump instruction (3) */ |
| #define | BS_OEMName 3 /* OEM name (8) */ |
| #define | BS_VolID 39 /* Volume serial number (4) */ |
| #define | BS_VolID32 67 /* Volume serial number (4) */ |
| #define | BS_VolLab 43 /* Volume label (8) */ |
| #define | BS_VolLab32 71 /* Volume label (8) */ |
| #define | DDE 0xE5 /* Deleted directory enrty mark in DIR_Name[0] */ |
| #define | DEF_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1] |
| #define | DIR_Attr 11 /* Attribute (1) */ |
| #define | DIR_CrtDate 16 /* Created date (2) */ |
| #define | DIR_CrtTime 14 /* Created time (2) */ |
| #define | DIR_FileSize 28 /* File size (4) */ |
| #define | DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */ |
| #define | DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */ |
| #define | DIR_Name 0 /* Short file name (11) */ |
| #define | DIR_NTres 12 /* NT flag (1) */ |
| #define | DIR_WrtDate 24 /* Modified date (2) */ |
| #define | DIR_WrtTime 22 /* Modified time (2) */ |
| #define | ENTER_FF(fs) |
| #define | FREE_BUF() |
| #define | FSI_Free_Count 488 /* FSI: Number of free clusters (4) */ |
| #define | FSI_LeadSig 0 /* FSI: Leading signature (4) */ |
| #define | FSI_Nxt_Free 492 /* FSI: Last allocated cluster (4) */ |
| #define | FSI_StrucSig 484 /* FSI: Structure signature (4) */ |
| #define | INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = lbuf; } |
| #define | IsDBCS1(c) 0 |
| #define | IsDBCS2(c) 0 |
| #define | IsDigit(c) (((c)>='0')&&((c)<='9')) |
| #define | IsLower(c) (((c)>='a')&&((c)<='z')) |
| #define | IsUpper(c) (((c)>='A')&&((c)<='Z')) |
| #define | LD_CLUST(dir) (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO)) |
| #define | LDIR_Attr 11 /* LFN attribute (1) */ |
| #define | LDIR_Chksum 13 /* Sum of corresponding SFN entry */ |
| #define | LDIR_FstClusLO 26 /* Filled by zero (0) */ |
| #define | LDIR_Ord 0 /* LFN entry order and LLE flag (1) */ |
| #define | LDIR_Type 12 /* LFN type (1) */ |
| #define | LEAVE_FF(fs, res) return res |
| #define | LLE 0x40 /* Last long entry flag in LDIR_Ord */ |
| #define | MBR_Table 446 /* MBR: Partition table offset (2) */ |
| #define | MIN_FAT16 4086 /* Minimum number of clusters for FAT16 */ |
| #define | MIN_FAT32 65526 /* Minimum number of clusters for FAT32 */ |
| #define | NDDE 0x05 /* Replacement of a character collides with DDE */ |
| #define | NS 11 /* Index of name status byte in fn[] */ |
| #define | NS_BODY 0x08 /* Lower case flag (body) */ |
| #define | NS_DOT 0x20 /* Dot entry */ |
| #define | NS_EXT 0x10 /* Lower case flag (ext) */ |
| #define | NS_LAST 0x04 /* Last segment */ |
| #define | NS_LFN 0x02 /* Force to create LFN entry */ |
| #define | NS_LOSS 0x01 /* Out of 8.3 format */ |
| #define | SS(fs) 512U /* Fixed sector size */ |
| #define | ST_CLUST(dir, cl) {ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);} |
| #define | SZ_DIR 32 /* Size of a directory entry */ |
| #define | SZ_PTE 16 /* MBR: Size of a partition table entry */ |
Functions | |
| static BYTE | check_fs (FATFS *fs, DWORD sect) |
| static int | chk_chr (const char *str, int chr) |
| static FRESULT | chk_mounted (const TCHAR **path, FATFS **rfs, BYTE chk_wp) |
| static DWORD | clust2sect (FATFS *fs, DWORD clst) |
| static int | cmp_lfn (WCHAR *lfnbuf, BYTE *dir) |
| static DWORD | create_chain (FATFS *fs, DWORD clst) |
| static FRESULT | create_name (DIR *dj, const TCHAR **path) |
| static FRESULT | dir_find (DIR *dj) |
| static FRESULT | dir_next (DIR *dj, int stretch) |
| static FRESULT | dir_read (DIR *dj) |
| static FRESULT | dir_register (DIR *dj) |
| static FRESULT | dir_remove (DIR *dj) |
| static FRESULT | dir_sdi (DIR *dj, WORD idx) |
| FRESULT | f_chmod (const TCHAR *path, BYTE value, BYTE mask) |
| FRESULT | f_close (FIL *fp) |
| FRESULT | f_getfree (const TCHAR *path, DWORD *nclst, FATFS **fatfs) |
| FRESULT | f_lseek (FIL *fp, DWORD ofs) |
| FRESULT | f_mkdir (const TCHAR *path) |
| FRESULT | f_mount (BYTE vol, FATFS *fs) |
| FRESULT | f_open (FIL *fp, const TCHAR *path, BYTE mode) |
| FRESULT | f_opendir (DIR *dj, const TCHAR *path) |
| FRESULT | f_read (FIL *fp, void *buff, UINT btr, UINT *br) |
| FRESULT | f_readdir (DIR *dj, FILINFO *fno) |
| FRESULT | f_rename (const TCHAR *path_old, const TCHAR *path_new) |
| FRESULT | f_stat (const TCHAR *path, FILINFO *fno) |
| FRESULT | f_sync (FIL *fp) |
| FRESULT | f_truncate (FIL *fp) |
| FRESULT | f_unlink (const TCHAR *path) |
| FRESULT | f_utime (const TCHAR *path, const FILINFO *fno) |
| FRESULT | f_write (FIL *fp, const void *buff, UINT btw, UINT *bw) |
| static void | fit_lfn (const WCHAR *lfnbuf, BYTE *dir, BYTE ord, BYTE sum) |
| static FRESULT | follow_path (DIR *dj, const TCHAR *path) |
| static void | gen_numname (BYTE *dst, const BYTE *src, const WCHAR *lfn, WORD seq) |
| static DWORD | get_fat (FATFS *fs, DWORD clst) |
| static void | get_fileinfo (DIR *dj, FILINFO *fno) |
| static int | mem_cmp (const void *dst, const void *src, UINT cnt) |
| static void | mem_cpy (void *dst, const void *src, UINT cnt) |
| static void | mem_set (void *dst, int val, UINT cnt) |
| static FRESULT | move_window (FATFS *fs, DWORD sector) |
| static int | pick_lfn (WCHAR *lfnbuf, BYTE *dir) |
| static FRESULT | put_fat (FATFS *fs, DWORD clst, DWORD val) |
| static FRESULT | remove_chain (FATFS *fs, DWORD clst) |
| static BYTE | sum_sfn (const BYTE *dir) |
| static FRESULT | sync (FATFS *fs) |
| static FRESULT | validate (FATFS *fs, WORD id) |
Variables | |
| static FATFS * | FatFs [_VOLUMES] |
| static WORD | Fsid |
| static const BYTE | LfnOfs [] = {1,3,5,7,9,14,16,18,20,22,24,28,30} |
Service of FatFS file system. This service provides a generic FAT file system module for the ASF systems.
| #define _EXCVT |
| #define BPB_BkBootSec 50 /* Offset of backup boot sectot (2) */ |
| #define BPB_HiddSec 28 /* Number of special hidden sectors (4) */ |
| #define BPB_RootEntCnt 17 /* Number of root dir entries for FAT12/16 (2) */ |
| #define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */ |
| #define DDE 0xE5 /* Deleted directory enrty mark in DIR_Name[0] */ |
| #define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */ |
| #define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */ |
| #define FSI_Free_Count 488 /* FSI: Number of free clusters (4) */ |
| #define INIT_BUF | ( | dobj | ) | { (dobj).fn = sfn; (dobj).lfn = lbuf; } |
| #define LD_CLUST | ( | dir | ) | (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO)) |
| #define MIN_FAT16 4086 /* Minimum number of clusters for FAT16 */ |
| #define MIN_FAT32 65526 /* Minimum number of clusters for FAT32 */ |
| #define NDDE 0x05 /* Replacement of a character collides with DDE */ |
| #define ST_CLUST | ( | dir, | |
| cl | |||
| ) | {ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);} |
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