Service of FatFS file system.

This service provides a generic FAT file system module for the ASF systems.

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	N_FATS 1 /* Number of FAT copies (1 or 2) */

#define	N_ROOTDIR 512 /* Number of root dir entries for FAT12/16 */

#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_mkfs (BYTE drv, BYTE sfd, UINT au)

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}

#define _DF1S 0

Referenced by create_name(), and get_fileinfo().

#define _EXCVT

Value:

{0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
                0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,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,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
                0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

Referenced by create_name().

#define ABORT	(	fs,
		res
	)	{ fp->flag \|= FA__ERROR; LEAVE_FF(fs, res); }

Referenced by f_lseek(), f_read(), and f_write().

#define BPB_BkBootSec 50 /* Offset of backup boot sectot (2) */

Referenced by f_mkfs().

#define BPB_BytsPerSec 11 /* Sector size [byte] (2) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_ExtFlags 40 /* Extended flags (2) */

#define BPB_FATSz16 22 /* FAT size [sector] (2) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_FATSz32 36 /* FAT size [sector] (4) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_FSInfo 48 /* Offset of FSInfo sector (2) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_FSVer 42 /* File system version (2) */

#define BPB_HiddSec 28 /* Number of special hidden sectors (4) */

Referenced by f_mkfs().

#define BPB_Media 21 /* Media descriptor (1) */

Referenced by f_mkfs().

#define BPB_NumFATs 16 /* Number of FAT copies (1) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_NumHeads 26 /* Number of heads (2) */

Referenced by f_mkfs().

#define BPB_RootClus 44 /* Root dir first cluster (4) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_RootEntCnt 17 /* Number of root dir entries for FAT12/16 (2) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_SecPerClus 13 /* Cluster size [sector] (1) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_SecPerTrk 24 /* Track size [sector] (2) */

Referenced by f_mkfs().

#define BPB_TotSec16 19 /* Volume size [sector] (2) */

Referenced by chk_mounted(), and f_mkfs().

#define BPB_TotSec32 32 /* Volume size [sector] (4) */

Referenced by chk_mounted(), and f_mkfs().

#define BS_55AA 510 /* Boot sector signature (2) */

Referenced by check_fs(), chk_mounted(), f_mkfs(), and sync().

#define BS_BootSig 38 /* Extended boot signature (1) */

Referenced by f_mkfs().

#define BS_BootSig32 66 /* Extended boot signature (1) */

Referenced by f_mkfs().

#define BS_DrvNum 36 /* Physical drive number (2) */

Referenced by f_mkfs().

#define BS_DrvNum32 64 /* Physical drive number (2) */

Referenced by f_mkfs().

#define BS_FilSysType 54 /* File system type (1) */

Referenced by check_fs().

#define BS_FilSysType32 82 /* File system type (1) */

Referenced by check_fs().

#define BS_jmpBoot 0 /* Jump instruction (3) */

#define BS_OEMName 3 /* OEM name (8) */

#define BS_VolID 39 /* Volume serial number (4) */

Referenced by f_mkfs().

#define BS_VolID32 67 /* Volume serial number (4) */

Referenced by f_mkfs().

#define BS_VolLab 43 /* Volume label (8) */

Referenced by f_mkfs().

#define BS_VolLab32 71 /* Volume label (8) */

Referenced by f_mkfs().

#define DDE 0xE5 /* Deleted directory enrty mark in DIR_Name[0] */

Referenced by create_name(), dir_find(), dir_read(), dir_register(), dir_remove(), and get_fileinfo().

#define DEF_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]

Referenced by f_chmod(), f_mkdir(), f_open(), f_opendir(), f_readdir(), f_rename(), f_stat(), f_unlink(), and f_utime().

#define DIR_Attr 11 /* Attribute (1) */

Referenced by dir_find(), dir_read(), f_chmod(), f_mkdir(), f_open(), f_opendir(), f_rename(), f_sync(), f_unlink(), follow_path(), and get_fileinfo().

#define DIR_CrtDate 16 /* Created date (2) */

#define DIR_CrtTime 14 /* Created time (2) */

Referenced by f_open().

#define DIR_FileSize 28 /* File size (4) */

Referenced by f_open(), f_sync(), and get_fileinfo().

#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) */

Referenced by dir_find(), dir_read(), and f_mkdir().

#define DIR_NTres 12 /* NT flag (1) */

Referenced by dir_register(), and get_fileinfo().

#define DIR_WrtDate 24 /* Modified date (2) */

Referenced by f_utime(), and get_fileinfo().

#define DIR_WrtTime 22 /* Modified time (2) */

Referenced by f_mkdir(), f_sync(), f_utime(), and get_fileinfo().

#define ENTER_FF ( fs )

Referenced by chk_mounted(), and validate().

#define FREE_BUF ( )

Referenced by f_chmod(), f_mkdir(), f_open(), f_opendir(), f_readdir(), f_rename(), f_stat(), f_unlink(), and f_utime().

#define FSI_Free_Count 488 /* FSI: Number of free clusters (4) */

Referenced by chk_mounted(), f_mkfs(), and sync().

#define FSI_LeadSig 0 /* FSI: Leading signature (4) */

Referenced by chk_mounted(), f_mkfs(), and sync().

#define FSI_Nxt_Free 492 /* FSI: Last allocated cluster (4) */

Referenced by chk_mounted(), f_mkfs(), and sync().

#define FSI_StrucSig 484 /* FSI: Structure signature (4) */

Referenced by chk_mounted(), f_mkfs(), and sync().

#define INIT_BUF ( dobj ) { (dobj).fn = sfn; (dobj).lfn = lbuf; }

Referenced by f_chmod(), f_mkdir(), f_open(), f_opendir(), f_readdir(), f_rename(), f_stat(), f_unlink(), and f_utime().

#define IsDBCS1 ( c ) 0

Referenced by create_name(), gen_numname(), and get_fileinfo().

#define IsDBCS2 ( c ) 0

Referenced by create_name(), and get_fileinfo().

#define IsDigit ( c ) (((c)>='0')&&((c)<='9'))

#define IsLower ( c ) (((c)>='a')&&((c)<='z'))

Referenced by create_name().

#define IsUpper ( c ) (((c)>='A')&&((c)<='Z'))

Referenced by create_name(), and get_fileinfo().

#define LD_CLUST ( dir ) (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO))

Referenced by f_open(), f_opendir(), f_rename(), f_unlink(), and follow_path().

#define LDIR_Attr 11 /* LFN attribute (1) */

Referenced by fit_lfn().

#define LDIR_Chksum 13 /* Sum of corresponding SFN entry */

Referenced by dir_find(), dir_read(), and fit_lfn().

#define LDIR_FstClusLO 26 /* Filled by zero (0) */

Referenced by fit_lfn().

#define LDIR_Ord 0 /* LFN entry order and LLE flag (1) */

Referenced by cmp_lfn(), fit_lfn(), and pick_lfn().

#define LDIR_Type 12 /* LFN type (1) */

Referenced by fit_lfn().

#define LEAVE_FF	(	fs,
		res
	)	return res

Referenced by f_chmod(), f_close(), f_getfree(), f_lseek(), f_mkdir(), f_open(), f_opendir(), f_read(), f_readdir(), f_rename(), f_stat(), f_sync(), f_truncate(), f_unlink(), f_utime(), and f_write().

#define LLE 0x40 /* Last long entry flag in LDIR_Ord */

Referenced by cmp_lfn(), dir_find(), dir_read(), fit_lfn(), and pick_lfn().

#define MBR_Table 446 /* MBR: Partition table offset (2) */

Referenced by chk_mounted(), and f_mkfs().

#define MIN_FAT16 4086 /* Minimum number of clusters for FAT16 */

Referenced by chk_mounted(), and f_mkfs().

#define MIN_FAT32 65526 /* Minimum number of clusters for FAT32 */

Referenced by chk_mounted(), and f_mkfs().

#define N_FATS 1 /* Number of FAT copies (1 or 2) */

Referenced by f_mkfs().

#define N_ROOTDIR 512 /* Number of root dir entries for FAT12/16 */

Referenced by f_mkfs().

#define NDDE 0x05 /* Replacement of a character collides with DDE */

Referenced by create_name(), and get_fileinfo().

#define NS 11 /* Index of name status byte in fn[] */

Referenced by create_name(), dir_find(), dir_register(), f_chmod(), f_mkdir(), f_rename(), f_unlink(), f_utime(), and follow_path().

#define NS_BODY 0x08 /* Lower case flag (body) */

Referenced by create_name(), dir_register(), and get_fileinfo().

#define NS_DOT 0x20 /* Dot entry */

Referenced by create_name(), dir_register(), f_chmod(), f_mkdir(), f_rename(), f_unlink(), f_utime(), and follow_path().

#define NS_EXT 0x10 /* Lower case flag (ext) */

Referenced by create_name(), dir_register(), and get_fileinfo().

#define NS_LAST 0x04 /* Last segment */

Referenced by create_name(), and follow_path().

#define NS_LFN 0x02 /* Force to create LFN entry */

Referenced by create_name(), and dir_register().

#define NS_LOSS 0x01 /* Out of 8.3 format */

Referenced by create_name(), dir_find(), and dir_register().

#define SS ( fs ) 512U /* Fixed sector size */

Referenced by chk_mounted(), dir_next(), dir_sdi(), f_getfree(), f_lseek(), f_mkdir(), f_mkfs(), f_read(), f_write(), get_fat(), and put_fat().

#define ST_CLUST	(	dir,
		cl
	)	{ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);}

Referenced by f_mkdir(), f_open(), f_rename(), and f_sync().

#define SZ_DIR 32 /* Size of a directory entry */

Referenced by chk_mounted(), dir_next(), dir_register(), dir_sdi(), f_mkdir(), f_mkfs(), and f_rename().

#define SZ_PTE 16 /* MBR: Size of a partition table entry */

Referenced by chk_mounted(), and f_mkfs().

static BYTE check_fs	(	FATFS *	fs,
		DWORD	sect
	)

static

References BS_55AA, BS_FilSysType, BS_FilSysType32, disk_read(), FATFS::drv, LD_DWORD, LD_WORD, RES_OK, and FATFS::win.

Referenced by chk_mounted().

static int chk_chr	(	const char *	str,
		int	chr
	)

static

Referenced by create_name().

static FRESULT chk_mounted	(	const TCHAR **	path,
		FATFS **	rfs,
		BYTE	chk_wp
	)

static

References _FS_READONLY, _VOLUMES, BPB_BytsPerSec, BPB_FATSz16, BPB_FATSz32, BPB_FSInfo, BPB_NumFATs, BPB_RootClus, BPB_RootEntCnt, BPB_RsvdSecCnt, BPB_SecPerClus, BPB_TotSec16, BPB_TotSec32, BS_55AA, check_fs(), FATFS::csize, FATFS::database, FATFS::dirbase, disk_initialize(), disk_ioctl(), disk_read(), disk_status(), FATFS::drv, ENTER_FF, FATFS::fatbase, FR_DISK_ERR, FR_INVALID_DRIVE, FR_NO_FILESYSTEM, FR_NOT_ENABLED, FR_NOT_READY, FR_OK, FR_WRITE_PROTECTED, FATFS::free_clust, FS_FAT12, FS_FAT16, FS_FAT32, FATFS::fs_type, FATFS::fsi_flag, FSI_Free_Count, FSI_LeadSig, FSI_Nxt_Free, FATFS::fsi_sector, FSI_StrucSig, Fsid, FATFS::fsize, GET_SECTOR_SIZE, FATFS::id, FATFS::last_clust, LD2PD, LD2PT, LD_DWORD, LD_WORD, MBR_Table, MIN_FAT16, MIN_FAT32, FATFS::n_fatent, FATFS::n_fats, FATFS::n_rootdir, RES_OK, SS, STA_NOINIT, STA_PROTECT, SZ_DIR, SZ_PTE, FATFS::wflag, FATFS::win, and FATFS::winsect.

Referenced by f_chmod(), f_getfree(), f_mkdir(), f_open(), f_opendir(), f_rename(), f_stat(), f_unlink(), and f_utime().

static DWORD clust2sect	(	FATFS *	fs,
		DWORD	clst
	)

static

References FATFS::csize, FATFS::database, and FATFS::n_fatent.

Referenced by dir_next(), dir_sdi(), f_lseek(), f_mkdir(), f_read(), f_rename(), f_write(), and remove_chain().

static int cmp_lfn	(	WCHAR *	lfnbuf,
		BYTE *	dir
	)

static

References _MAX_LFN, ff_wtoupper(), LD_WORD, LDIR_Ord, and LLE.

Referenced by dir_find().

static DWORD create_chain	(	FATFS *	fs,
		DWORD	clst
	)

static

References FR_DISK_ERR, FR_OK, FATFS::free_clust, FATFS::fsi_flag, get_fat(), FATFS::last_clust, FATFS::n_fatent, and put_fat().

Referenced by dir_next(), f_lseek(), f_mkdir(), and f_write().

static FRESULT create_name	(	DIR *	dj,
		const TCHAR **	path
	)

static

References _DF1S, _EXCVT, _MAX_LFN, chk_chr(), DDE, ff_convert(), ff_wtoupper(), DIR::fn, FR_INVALID_NAME, FR_OK, IsDBCS1, IsDBCS2, IsLower, IsUpper, DIR::lfn, mem_set(), NDDE, NS, NS_BODY, NS_DOT, NS_EXT, NS_LAST, NS_LFN, and NS_LOSS.

Referenced by follow_path().

static FRESULT dir_find ( DIR * dj )

static

References AM_LFN, AM_MASK, AM_VOL, cmp_lfn(), DDE, DIR::dir, DIR_Attr, DIR_Name, dir_next(), dir_sdi(), DIR::fn, FR_NO_FILE, FR_OK, DIR::fs, DIR::index, LDIR_Chksum, DIR::lfn, DIR::lfn_idx, LLE, mem_cmp(), move_window(), NS, NS_LOSS, DIR::sect, and sum_sfn().

Referenced by dir_register(), and follow_path().

static FRESULT dir_next	(	DIR *	dj,
		int	stretch
	)

static

References DIR::clust, clust2sect(), create_chain(), FATFS::csize, DIR::dir, FR_DENIED, FR_DISK_ERR, FR_INT_ERR, FR_NO_FILE, FR_OK, DIR::fs, get_fat(), DIR::index, mem_set(), move_window(), FATFS::n_fatent, FATFS::n_rootdir, DIR::sect, SS, SZ_DIR, FATFS::wflag, FATFS::win, and FATFS::winsect.

Referenced by dir_find(), dir_read(), dir_register(), dir_remove(), and f_readdir().

static FRESULT dir_read ( DIR * dj )

static

References _FS_RPATH, AM_LFN, AM_MASK, AM_VOL, DDE, DIR::dir, DIR_Attr, DIR_Name, dir_next(), FR_NO_FILE, FR_OK, DIR::fs, DIR::index, LDIR_Chksum, DIR::lfn, DIR::lfn_idx, LLE, move_window(), pick_lfn(), DIR::sect, and sum_sfn().

Referenced by f_readdir(), and f_unlink().

static FRESULT dir_register ( DIR * dj )

static

References _FS_RPATH, DDE, DIR::dir, dir_find(), dir_next(), DIR_NTres, dir_sdi(), fit_lfn(), DIR::fn, FR_DENIED, FR_INVALID_NAME, FR_NO_FILE, FR_OK, DIR::fs, gen_numname(), DIR::index, DIR::lfn, mem_cpy(), mem_set(), move_window(), NS, NS_BODY, NS_DOT, NS_EXT, NS_LFN, NS_LOSS, DIR::sect, sum_sfn(), SZ_DIR, and FATFS::wflag.

Referenced by f_mkdir(), f_open(), and f_rename().

static FRESULT dir_remove ( DIR * dj )

static

References DDE, DIR::dir, dir_next(), dir_sdi(), FR_INT_ERR, FR_NO_FILE, FR_OK, DIR::fs, DIR::index, DIR::lfn_idx, move_window(), DIR::sect, and FATFS::wflag.

Referenced by f_rename(), and f_unlink().

static FRESULT dir_sdi	(	DIR *	dj,
		WORD	idx
	)

static

References DIR::clust, clust2sect(), FATFS::csize, DIR::dir, FATFS::dirbase, FR_DISK_ERR, FR_INT_ERR, FR_OK, DIR::fs, FS_FAT32, FATFS::fs_type, get_fat(), DIR::index, FATFS::n_fatent, FATFS::n_rootdir, DIR::sclust, DIR::sect, SS, SZ_DIR, and FATFS::win.

Referenced by dir_find(), dir_register(), dir_remove(), f_opendir(), f_readdir(), f_unlink(), and follow_path().

FRESULT f_chmod	(	const TCHAR *	path,
		BYTE	value,
		BYTE	mask
	)

References _FS_RPATH, AM_ARC, AM_HID, AM_RDO, AM_SYS, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_Attr, DIR::fn, follow_path(), FR_INVALID_NAME, FR_OK, FREE_BUF, DIR::fs, INIT_BUF, LEAVE_FF, NS, NS_DOT, sync(), and FATFS::wflag.

FRESULT f_close ( FIL * fp )

References f_sync(), FR_OK, FIL::fs, FIL::id, LEAVE_FF, and validate().

Referenced by run_fatfs_test().

FRESULT f_getfree	(	const TCHAR *	path,
		DWORD *	nclst,
		FATFS **	fatfs
	)

References chk_mounted(), FR_DISK_ERR, FR_INT_ERR, FR_OK, FS_FAT12, FS_FAT16, FS_FAT32, get_fat(), LD_DWORD, LD_WORD, LEAVE_FF, move_window(), and SS.

FRESULT f_lseek	(	FIL *	fp,
		DWORD	ofs
	)

FRESULT f_mkdir ( const TCHAR * path )

FRESULT f_mkfs	(	BYTE	drv,
		BYTE	sfd,
		UINT	au
	)

References _MAX_SS, _MULTI_PARTITION, _VOLUMES, BPB_BkBootSec, BPB_BytsPerSec, BPB_FATSz16, BPB_FATSz32, BPB_FSInfo, BPB_HiddSec, BPB_Media, BPB_NumFATs, BPB_NumHeads, BPB_RootClus, BPB_RootEntCnt, BPB_RsvdSecCnt, BPB_SecPerClus, BPB_SecPerTrk, BPB_TotSec16, BPB_TotSec32, BS_55AA, BS_BootSig, BS_BootSig32, BS_DrvNum, BS_DrvNum32, BS_VolID, BS_VolID32, BS_VolLab, BS_VolLab32, CTRL_ERASE_SECTOR, CTRL_SYNC, disk_initialize(), disk_ioctl(), disk_read(), disk_write(), FR_DISK_ERR, FR_INVALID_DRIVE, FR_INVALID_PARAMETER, FR_MKFS_ABORTED, FR_NOT_ENABLED, FR_NOT_READY, FR_OK, FR_WRITE_PROTECTED, FS_FAT12, FS_FAT16, FS_FAT32, FATFS::fs_type, FSI_Free_Count, FSI_LeadSig, FSI_Nxt_Free, FSI_StrucSig, GET_BLOCK_SIZE, get_fattime(), GET_SECTOR_COUNT, GET_SECTOR_SIZE, LD2PD, LD2PT, LD_DWORD, LD_WORD, MBR_Table, mem_cpy(), mem_set(), MIN_FAT16, MIN_FAT32, N_FATS, N_ROOTDIR, RES_OK, SS, ST_DWORD, ST_WORD, STA_NOINIT, STA_PROTECT, SZ_DIR, SZ_PTE, and FATFS::win.

Referenced by run_fatfs_test().

FRESULT f_mount	(	BYTE	vol,
		FATFS *	fs
	)

References _VOLUMES, FR_INT_ERR, FR_INVALID_DRIVE, FR_OK, and FATFS::fs_type.

Referenced by run_fatfs_test().

FRESULT f_open	(	FIL *	fp,
		const TCHAR *	path,
		BYTE	mode
	)

FRESULT f_opendir	(	DIR *	dj,
		const TCHAR *	path
	)

References AM_DIR, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_Attr, dir_sdi(), follow_path(), FR_NO_FILE, FR_NO_PATH, FR_OK, FREE_BUF, DIR::fs, FATFS::id, DIR::id, INIT_BUF, LD_CLUST, LEAVE_FF, and DIR::sclust.

Referenced by run_fatfs_test(), and scan_files().

FRESULT f_read	(	FIL *	fp,
		void *	buff,
		UINT	btr,
		UINT *	br
	)

References ABORT, FIL::buf, FIL::clust, clust2sect(), FATFS::csize, disk_read(), disk_write(), FATFS::drv, FIL::dsect, FA__DIRTY, FA__ERROR, FA_READ, FIL::flag, FIL::fptr, FR_DENIED, FR_DISK_ERR, FR_INT_ERR, FR_OK, FIL::fs, FIL::fsize, get_fat(), FIL::id, LEAVE_FF, mem_cpy(), move_window(), RES_OK, FIL::sclust, SS, validate(), FATFS::wflag, FATFS::win, and FATFS::winsect.

Referenced by run_fatfs_test().

FRESULT f_readdir	(	DIR *	dj,
		FILINFO *	fno
	)

References DEF_NAMEBUF, dir_next(), dir_read(), dir_sdi(), FR_NO_FILE, FR_OK, FREE_BUF, DIR::fs, get_fileinfo(), DIR::id, INIT_BUF, LEAVE_FF, DIR::sect, and validate().

Referenced by scan_files().

FRESULT f_rename	(	const TCHAR *	path_old,
		const TCHAR *	path_new
	)

References _FS_RPATH, AM_ARC, AM_DIR, chk_mounted(), clust2sect(), DEF_NAMEBUF, DIR::dir, DIR_Attr, dir_register(), dir_remove(), FATFS::dirbase, DIR::fn, follow_path(), FR_EXIST, FR_INT_ERR, FR_INVALID_NAME, FR_NO_FILE, FR_OK, FREE_BUF, DIR::fs, FS_FAT32, FATFS::fs_type, INIT_BUF, LD_CLUST, LEAVE_FF, mem_cpy(), move_window(), NS, NS_DOT, DIR::sclust, ST_CLUST, sync(), SZ_DIR, FATFS::wflag, and FATFS::win.

FRESULT f_stat	(	const TCHAR *	path,
		FILINFO *	fno
	)

References chk_mounted(), DEF_NAMEBUF, DIR::dir, follow_path(), FR_INVALID_NAME, FR_OK, FREE_BUF, DIR::fs, get_fileinfo(), INIT_BUF, and LEAVE_FF.

FRESULT f_sync ( FIL * fp )

References AM_ARC, FIL::buf, DIR_Attr, DIR_FileSize, FIL::dir_ptr, FIL::dir_sect, DIR_WrtTime, disk_write(), FATFS::drv, FIL::dsect, FA__DIRTY, FA__WRITTEN, FIL::flag, FR_DISK_ERR, FR_OK, FIL::fs, FIL::fsize, get_fattime(), FIL::id, LEAVE_FF, move_window(), RES_OK, FIL::sclust, ST_CLUST, ST_DWORD, sync(), validate(), and FATFS::wflag.

Referenced by f_close().

FRESULT f_truncate ( FIL * fp )

References FIL::clust, FA__ERROR, FA__WRITTEN, FA_WRITE, FIL::flag, FIL::fptr, FR_DENIED, FR_DISK_ERR, FR_INT_ERR, FR_OK, FIL::fs, FIL::fsize, get_fat(), FIL::id, LEAVE_FF, FATFS::n_fatent, put_fat(), remove_chain(), FIL::sclust, and validate().

FRESULT f_unlink ( const TCHAR * path )

References _FS_RPATH, AM_DIR, AM_RDO, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_Attr, dir_read(), dir_remove(), dir_sdi(), DIR::fn, follow_path(), FR_DENIED, FR_INT_ERR, FR_INVALID_NAME, FR_NO_FILE, FR_OK, FREE_BUF, DIR::fs, INIT_BUF, LD_CLUST, LEAVE_FF, mem_cpy(), NS, NS_DOT, remove_chain(), DIR::sclust, and sync().

FRESULT f_utime	(	const TCHAR *	path,
		const FILINFO *	fno
	)

References _FS_RPATH, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_WrtDate, DIR_WrtTime, FILINFO::fdate, DIR::fn, follow_path(), FR_INVALID_NAME, FR_OK, FREE_BUF, DIR::fs, FILINFO::ftime, INIT_BUF, LEAVE_FF, NS, NS_DOT, ST_WORD, sync(), and FATFS::wflag.

FRESULT f_write	(	FIL *	fp,
		const void *	buff,
		UINT	btw,
		UINT *	bw
	)

References ABORT, FIL::buf, FIL::clust, clust2sect(), create_chain(), FATFS::csize, disk_read(), disk_write(), FATFS::drv, FIL::dsect, FA__DIRTY, FA__ERROR, FA__WRITTEN, FA_WRITE, FIL::flag, FIL::fptr, FR_DENIED, FR_DISK_ERR, FR_INT_ERR, FR_OK, FIL::fs, FIL::fsize, FIL::id, LEAVE_FF, mem_cpy(), move_window(), RES_OK, FIL::sclust, SS, validate(), FATFS::wflag, FATFS::win, and FATFS::winsect.

Referenced by run_fatfs_test().

static void fit_lfn	(	const WCHAR *	lfnbuf,
		BYTE *	dir,
		BYTE	ord,
		BYTE	sum
	)

static

References AM_LFN, LDIR_Attr, LDIR_Chksum, LDIR_FstClusLO, LDIR_Ord, LDIR_Type, LLE, and ST_WORD.

Referenced by dir_register().

static FRESULT follow_path	(	DIR *	dj,
		const TCHAR *	path
	)

static

References _FS_RPATH, AM_DIR, create_name(), DIR::dir, DIR_Attr, dir_find(), dir_sdi(), DIR::fn, FR_NO_FILE, FR_NO_PATH, FR_OK, DIR::fs, LD_CLUST, NS, NS_DOT, NS_LAST, and DIR::sclust.

Referenced by f_chmod(), f_mkdir(), f_open(), f_opendir(), f_rename(), f_stat(), f_unlink(), and f_utime().

static void gen_numname	(	BYTE *	dst,
		const BYTE *	src,
		const WCHAR *	lfn,
		WORD	seq
	)

static

References IsDBCS1, and mem_cpy().

Referenced by dir_register().

static DWORD get_fat	(	FATFS *	fs,
		DWORD	clst
	)

static

References FATFS::fatbase, FS_FAT12, FS_FAT16, FS_FAT32, FATFS::fs_type, LD_DWORD, LD_WORD, move_window(), FATFS::n_fatent, SS, and FATFS::win.

Referenced by create_chain(), dir_next(), dir_sdi(), f_getfree(), f_lseek(), f_read(), f_truncate(), and remove_chain().

static void get_fileinfo	(	DIR *	dj,
		FILINFO *	fno
	)

static

References _DF1S, _USE_LFN, DDE, DIR::dir, DIR_Attr, DIR_FileSize, DIR_NTres, DIR_WrtDate, DIR_WrtTime, FILINFO::fattrib, FILINFO::fdate, ff_convert(), FILINFO::fname, FILINFO::fsize, FILINFO::ftime, IsDBCS1, IsDBCS2, IsUpper, LD_DWORD, LD_WORD, DIR::lfn, DIR::lfn_idx, FILINFO::lfname, FILINFO::lfsize, NDDE, NS_BODY, NS_EXT, and DIR::sect.

Referenced by f_readdir(), and f_stat().

static int mem_cmp	(	const void *	dst,
		const void *	src,
		UINT	cnt
	)

static

Referenced by dir_find().

static void mem_cpy	(	void *	dst,
		const void *	src,
		UINT	cnt
	)

static

Referenced by dir_register(), f_mkdir(), f_mkfs(), f_read(), f_rename(), f_unlink(), f_write(), and gen_numname().

static void mem_set	(	void *	dst,
		int	val,
		UINT	cnt
	)

static

Referenced by create_name(), dir_next(), dir_register(), f_mkdir(), f_mkfs(), and sync().

static FRESULT move_window	(	FATFS *	fs,
		DWORD	sector
	)

static

References disk_read(), disk_write(), FATFS::drv, FATFS::fatbase, FR_DISK_ERR, FR_OK, FATFS::fsize, FATFS::n_fats, RES_OK, FATFS::wflag, FATFS::win, and FATFS::winsect.

Referenced by dir_find(), dir_next(), dir_read(), dir_register(), dir_remove(), f_getfree(), f_mkdir(), f_open(), f_read(), f_rename(), f_sync(), f_write(), get_fat(), put_fat(), and sync().

static int pick_lfn	(	WCHAR *	lfnbuf,
		BYTE *	dir
	)

static

References _MAX_LFN, LD_WORD, LDIR_Ord, and LLE.

Referenced by dir_read().

static FRESULT put_fat	(	FATFS *	fs,
		DWORD	clst,
		DWORD	val
	)

static

References FATFS::fatbase, FR_INT_ERR, FR_OK, FS_FAT12, FS_FAT16, FS_FAT32, FATFS::fs_type, LD_DWORD, move_window(), FATFS::n_fatent, SS, ST_DWORD, ST_WORD, FATFS::wflag, and FATFS::win.

Referenced by create_chain(), f_truncate(), and remove_chain().

static FRESULT remove_chain	(	FATFS *	fs,
		DWORD	clst
	)

static

References clust2sect(), FATFS::csize, CTRL_ERASE_SECTOR, disk_ioctl(), FATFS::drv, FR_DISK_ERR, FR_INT_ERR, FR_OK, FATFS::free_clust, FATFS::fsi_flag, get_fat(), FATFS::n_fatent, and put_fat().

Referenced by f_mkdir(), f_open(), f_truncate(), and f_unlink().

static BYTE sum_sfn ( const BYTE * dir )

static

Referenced by dir_find(), dir_read(), and dir_register().

static FRESULT sync ( FATFS * fs )

static

References BS_55AA, CTRL_SYNC, disk_ioctl(), disk_write(), FATFS::drv, FR_DISK_ERR, FR_OK, FATFS::free_clust, FS_FAT32, FATFS::fs_type, FATFS::fsi_flag, FSI_Free_Count, FSI_LeadSig, FSI_Nxt_Free, FATFS::fsi_sector, FSI_StrucSig, FATFS::last_clust, mem_set(), move_window(), RES_OK, ST_DWORD, ST_WORD, FATFS::win, and FATFS::winsect.

Referenced by f_chmod(), f_mkdir(), f_rename(), f_sync(), f_unlink(), and f_utime().

static FRESULT validate	(	FATFS *	fs,
		WORD	id
	)

static

References disk_status(), FATFS::drv, ENTER_FF, FR_INVALID_OBJECT, FR_NOT_READY, FR_OK, FATFS::fs_type, FATFS::id, and STA_NOINIT.

Referenced by f_close(), f_lseek(), f_read(), f_readdir(), f_sync(), f_truncate(), and f_write().

FATFS* FatFs[_VOLUMES]

static

WORD Fsid

static

Referenced by chk_mounted().

const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}

static

Microchip® Advanced Software Framework

Macros

Functions

Variables