#include "ff.h"
#include "diskio.h"

Include dependency graph for ff.c:

Macros
#define	ABORT(fs, res) { fp->flag \|= FA__ERROR; LEAVE_FF(fs, res); }
#define	BPB_BkBootSec 50 /* Offset of backup boot sector (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 entry mark in DIR_Name[0] */
#define	DEF_NAMEBUF BYTE sfn[12]
#define	DIR_Attr 11 /* Attribute (1) */
#define	DIR_CrtDate 16 /* Created date (2) */
#define	DIR_CrtTime 14 /* Created time (2) */
#define	DIR_CrtTimeTenth 13 /* Created time sub-second (1) */
#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_LstAccDate 18 /* Last accessed date (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
#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	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 the 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) ((fs)->ssize) /* Variable sector size */
#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 wmode)
DWORD	clust2sect (FATFS *fs, DWORD clst)
static DWORD	create_chain (FATFS *fs, DWORD clst)
static FRESULT	create_name (DIR dj, const TCHAR *path)
static FRESULT	dir_alloc (DIR *dj, UINT nent)
static FRESULT	dir_find (DIR *dj)
static FRESULT	dir_next (DIR *dj, int stretch)
static FRESULT	dir_read (DIR *dj, int vol)
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 FRESULT	follow_path (DIR dj, const TCHAR path)
DWORD	get_fat (FATFS *fs, DWORD clst)
static void	get_fileinfo (DIR dj, FILINFO fno)
static DWORD	ld_clust (FATFS fs, BYTE dir)
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)
FRESULT	put_fat (FATFS *fs, DWORD clst, DWORD val)
static FRESULT	remove_chain (FATFS *fs, DWORD clst)
static void	st_clust (BYTE *dir, DWORD cl)
static FRESULT	sync_fs (FATFS *fs)
static FRESULT	sync_window (FATFS *fs)
static FRESULT	validate (void *obj)

Variables
static WORD	Fsid

Macro Definition Documentation

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

Definition at line 137 of file ff.c.

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

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

Definition at line 423 of file ff.c.

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

Definition at line 401 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 419 of file ff.c.

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

Definition at line 408 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 418 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 422 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 420 of file ff.c.

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

Definition at line 411 of file ff.c.

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

Definition at line 407 of file ff.c.

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

Definition at line 404 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 410 of file ff.c.

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

Definition at line 421 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 405 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 403 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 402 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 409 of file ff.c.

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

Definition at line 406 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 412 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 435 of file ff.c.

Referenced by check_fs(), chk_mounted(), and sync_fs().

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

Definition at line 414 of file ff.c.

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

Definition at line 425 of file ff.c.

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

Definition at line 413 of file ff.c.

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

Definition at line 424 of file ff.c.

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

Definition at line 417 of file ff.c.

Referenced by check_fs().

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

Definition at line 428 of file ff.c.

Referenced by check_fs().

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

Definition at line 399 of file ff.c.

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

Definition at line 400 of file ff.c.

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

Definition at line 415 of file ff.c.

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

Definition at line 426 of file ff.c.

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

Definition at line 416 of file ff.c.

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

Definition at line 427 of file ff.c.

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

Definition at line 456 of file ff.c.

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

#define DEF_NAMEBUF BYTE sfn[12]

Definition at line 489 of file ff.c.

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) */

Definition at line 438 of file ff.c.

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) */

Definition at line 442 of file ff.c.

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

Definition at line 441 of file ff.c.

Referenced by f_open().

#define DIR_CrtTimeTenth 13 /* Created time sub-second (1) */

Definition at line 440 of file ff.c.

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

Definition at line 448 of file ff.c.

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

#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */

Definition at line 444 of file ff.c.

Referenced by ld_clust(), and st_clust().

#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */

Definition at line 447 of file ff.c.

Referenced by ld_clust(), and st_clust().

#define DIR_LstAccDate 18 /* Last accessed date (2) */

Definition at line 443 of file ff.c.

Referenced by f_sync().

#define DIR_Name 0 /* Short file name (11) */

Definition at line 437 of file ff.c.

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

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

Definition at line 439 of file ff.c.

Referenced by dir_register(), and get_fileinfo().

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

Definition at line 446 of file ff.c.

Referenced by f_utime(), and get_fileinfo().

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

Definition at line 445 of file ff.c.

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

#define ENTER_FF ( fs )

Definition at line 133 of file ff.c.

Referenced by chk_mounted(), and validate().

#define FREE_BUF ( )

Definition at line 491 of file ff.c.

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) */

Definition at line 431 of file ff.c.

Referenced by chk_mounted(), and sync_fs().

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

Definition at line 429 of file ff.c.

Referenced by chk_mounted(), and sync_fs().

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

Definition at line 432 of file ff.c.

Referenced by chk_mounted(), and sync_fs().

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

Definition at line 430 of file ff.c.

Referenced by chk_mounted(), and sync_fs().

#define INIT_BUF ( dobj ) (dobj).fn = sfn

Definition at line 490 of file ff.c.

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

Definition at line 373 of file ff.c.

Referenced by create_name(), and get_fileinfo().

#define IsDBCS2 ( c ) 0

Definition at line 374 of file ff.c.

Referenced by create_name(), and get_fileinfo().

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

Definition at line 355 of file ff.c.

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

Definition at line 354 of file ff.c.

Referenced by create_name().

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

Definition at line 353 of file ff.c.

Referenced by create_name(), and get_fileinfo().

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

Definition at line 450 of file ff.c.

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

Definition at line 452 of file ff.c.

Referenced by dir_find(), and dir_read().

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

Definition at line 453 of file ff.c.

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

Definition at line 449 of file ff.c.

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

Definition at line 451 of file ff.c.

#define LEAVE_FF	(	fs,
		res
	)	return res

Definition at line 134 of file ff.c.

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 */

Definition at line 455 of file ff.c.

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

Definition at line 433 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 391 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 392 of file ff.c.

Referenced by chk_mounted().

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

Definition at line 457 of file ff.c.

Referenced by create_name(), and get_fileinfo().

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

Definition at line 380 of file ff.c.

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) */

Definition at line 384 of file ff.c.

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

#define NS_DOT 0x20 /* Dot entry */

Definition at line 386 of file ff.c.

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) */

Definition at line 385 of file ff.c.

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

#define NS_LAST 0x04 /* Last segment */

Definition at line 383 of file ff.c.

Referenced by create_name(), and follow_path().

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

Definition at line 382 of file ff.c.

Referenced by create_name(), and dir_register().

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

Definition at line 381 of file ff.c.

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

#define SS ( fs ) ((fs)->ssize) /* Variable sector size */

Definition at line 119 of file ff.c.

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

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

Definition at line 454 of file ff.c.

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

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

Definition at line 434 of file ff.c.

Referenced by chk_mounted().

Function Documentation

static BYTE check_fs	(	FATFS *	fs,
		DWORD	sect
	)

static

Definition at line 2041 of file ff.c.

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

Referenced by chk_mounted().

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

static

Definition at line 575 of file ff.c.

Referenced by create_name().

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

static

Definition at line 2067 of file ff.c.

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, if(), 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, FATFS::ssize, STA_NOINIT, STA_PROTECT, SZ_DIR, SZ_PTE, FATFS::volbase, 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().

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DWORD clust2sect	(	FATFS *	fs,
		DWORD	clst
	)

Definition at line 824 of file ff.c.

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().

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static DWORD create_chain	(	FATFS *	fs,
		DWORD	clst
	)

static

Definition at line 1001 of file ff.c.

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().

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

static

Definition at line 1687 of file ff.c.

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

Referenced by follow_path().

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static FRESULT dir_alloc	(	DIR *	dj,
		UINT	nent
	)

static

Definition at line 1205 of file ff.c.

References DDE, DIR::dir, dir_next(), dir_sdi(), FR_OK, DIR::fs, move_window(), and DIR::sect.

Referenced by dir_register().

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static FRESULT dir_find ( DIR * dj )

static

Definition at line 1445 of file ff.c.

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

Referenced by dir_register(), and follow_path().

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static FRESULT dir_next	(	DIR *	dj,
		int	stretch
	)

static

Definition at line 1136 of file ff.c.

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(), FATFS::n_fatent, FATFS::n_rootdir, DIR::sect, SS, sync_window(), SZ_DIR, FATFS::wflag, FATFS::win, and FATFS::winsect.

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

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static FRESULT dir_read	(	DIR *	dj,
		int	vol
	)

static

Definition at line 1506 of file ff.c.

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, move_window(), and DIR::sect.

Referenced by f_readdir(), and f_unlink().

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static FRESULT dir_register ( DIR * dj )

static

Definition at line 1564 of file ff.c.

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

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

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static FRESULT dir_remove ( DIR * dj )

static

Definition at line 1642 of file ff.c.

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

Referenced by f_rename(), and f_unlink().

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static FRESULT dir_sdi	(	DIR *	dj,
		WORD	idx
	)

static

Definition at line 1088 of file ff.c.

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

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

Definition at line 3414 of file ff.c.

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_fs(), and FATFS::wflag.

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FRESULT f_close ( FIL * fp )

Definition at line 2708 of file ff.c.

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

Referenced by load_file_from_external_source_to().

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

Definition at line 3157 of file ff.c.

References chk_mounted(), FATFS::fatbase, FR_DISK_ERR, FR_INT_ERR, FR_OK, FATFS::free_clust, FS_FAT12, FS_FAT16, FS_FAT32, FATFS::fs_type, FATFS::fsi_flag, get_fat(), LD_DWORD, LD_WORD, LEAVE_FF, move_window(), FATFS::n_fatent, SS, and FATFS::win.

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FRESULT f_lseek	(	FIL *	fp,
		DWORD	ofs
	)

Definition at line 2877 of file ff.c.

References _FS_READONLY, ABORT, FIL::buf, FIL::clust, clust2sect(), create_chain(), CREATE_LINKMAP, FATFS::csize, disk_read(), disk_write(), FATFS::drv, FIL::dsect, FA__DIRTY, FA__ERROR, FA__WRITTEN, FA_WRITE, FIL::flag, FIL::fptr, FR_DISK_ERR, FR_INT_ERR, FR_NOT_ENOUGH_CORE, FR_OK, FIL::fs, FIL::fsize, get_fat(), if(), LEAVE_FF, FATFS::n_fatent, RES_OK, FIL::sclust, SS, and validate().

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FRESULT f_mkdir ( const TCHAR * path )

Definition at line 3341 of file ff.c.

References _FS_RPATH, AM_DIR, chk_mounted(), clust2sect(), create_chain(), FATFS::csize, DEF_NAMEBUF, DIR::dir, DIR_Attr, DIR_Name, dir_register(), DIR_WrtTime, FATFS::dirbase, DIR::fn, follow_path(), FR_DENIED, FR_DISK_ERR, FR_EXIST, FR_INT_ERR, FR_INVALID_NAME, FR_NO_FILE, FR_OK, FREE_BUF, DIR::fs, FS_FAT32, FATFS::fs_type, get_fattime(), INIT_BUF, LEAVE_FF, mem_cpy(), mem_set(), NS, NS_DOT, remove_chain(), DIR::sclust, SS, st_clust(), ST_DWORD, sync_fs(), sync_window(), SZ_DIR, FATFS::wflag, FATFS::win, and FATFS::winsect.

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FRESULT f_mount	(	BYTE	vol,
		FATFS *	fs
	)

Definition at line 2268 of file ff.c.

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

Referenced by load_file_from_external_source_to().

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

Definition at line 2308 of file ff.c.

References AM_DIR, AM_RDO, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_Attr, DIR_CrtTime, DIR_FileSize, FIL::dir_ptr, dir_register(), FIL::dir_sect, FIL::dsect, FA__WRITTEN, FA_CREATE_ALWAYS, FA_CREATE_NEW, FA_OPEN_ALWAYS, FA_READ, FA_WRITE, FIL::flag, follow_path(), FIL::fptr, FR_DENIED, FR_EXIST, FR_INT_ERR, FR_INVALID_NAME, FR_INVALID_OBJECT, FR_NO_FILE, FR_OK, FR_TOO_MANY_OPEN_FILES, FREE_BUF, FIL::fs, DIR::fs, FIL::fsize, get_fattime(), FATFS::id, FIL::id, INIT_BUF, FATFS::last_clust, ld_clust(), LD_DWORD, LEAVE_FF, move_window(), remove_chain(), FIL::sclust, st_clust(), ST_DWORD, FATFS::wflag, and FATFS::winsect.

Referenced by load_file_from_external_source_to().

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

Definition at line 3035 of file ff.c.

References AM_DIR, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_Attr, dir_sdi(), follow_path(), FR_INVALID_OBJECT, 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.

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

Definition at line 2440 of file ff.c.

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(), LEAVE_FF, mem_cpy(), move_window(), RES_OK, FIL::sclust, SS, validate(), FATFS::wflag, FATFS::win, and FATFS::winsect.

Referenced by check_size_and_header(), and load_uboot_file().

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FRESULT f_readdir	(	DIR *	dj,
		FILINFO *	fno
	)

Definition at line 3082 of file ff.c.

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

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

Definition at line 3497 of file ff.c.

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_fs(), SZ_DIR, FATFS::wflag, and FATFS::win.

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

Definition at line 3124 of file ff.c.

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.

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FRESULT f_sync ( FIL * fp )

Definition at line 2660 of file ff.c.

References AM_ARC, FIL::buf, DIR_Attr, DIR_FileSize, DIR_LstAccDate, 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(), LEAVE_FF, move_window(), RES_OK, FIL::sclust, st_clust(), ST_DWORD, ST_WORD, sync_fs(), validate(), and FATFS::wflag.

Referenced by f_close().

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FRESULT f_truncate ( FIL * fp )

Definition at line 3224 of file ff.c.

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(), LEAVE_FF, FATFS::n_fatent, put_fat(), remove_chain(), FIL::sclust, and validate().

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FRESULT f_unlink ( const TCHAR * path )

Definition at line 3272 of file ff.c.

References _FS_RPATH, AM_DIR, AM_RDO, chk_mounted(), DEF_NAMEBUF, DIR::dir, DIR_Attr, dir_read(), dir_remove(), dir_sdi(), endif(), 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_fs().

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

Definition at line 3456 of file ff.c.

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_fs(), and FATFS::wflag.

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

Definition at line 2541 of file ff.c.

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, LEAVE_FF, mem_cpy(), move_window(), RES_OK, FIL::sclust, SS, sync_window(), validate(), FATFS::wflag, FATFS::win, and FATFS::winsect.

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

static

Definition at line 1979 of file ff.c.

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().

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DWORD get_fat	(	FATFS *	fs,
		DWORD	clst
	)

Definition at line 842 of file ff.c.

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().

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

static

Definition at line 1897 of file ff.c.

References _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, NDDE, NS_BODY, NS_EXT, and DIR::sect.

Referenced by f_readdir(), and f_stat().

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static DWORD ld_clust	(	FATFS *	fs,
		BYTE *	dir
	)

static

Definition at line 1239 of file ff.c.

References DIR_FstClusHI, DIR_FstClusLO, FS_FAT32, FATFS::fs_type, and LD_WORD.

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

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

static

Definition at line 565 of file ff.c.

Referenced by dir_find().

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

static

Definition at line 539 of file ff.c.

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

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

static

Definition at line 556 of file ff.c.

Referenced by create_name(), dir_next(), dir_register(), f_mkdir(), and sync_fs().

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static FRESULT move_window	(	FATFS *	fs,
		DWORD	sector
	)

static

Definition at line 758 of file ff.c.

References disk_read(), FATFS::drv, FR_DISK_ERR, FR_OK, RES_OK, sync_window(), FATFS::win, and FATFS::winsect.

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

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

Definition at line 885 of file ff.c.

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().

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static FRESULT remove_chain	(	FATFS *	fs,
		DWORD	clst
	)

static

Definition at line 948 of file ff.c.

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().

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static void st_clust	(	BYTE *	dir,
		DWORD	cl
	)

static

Definition at line 1256 of file ff.c.

References DIR_FstClusHI, DIR_FstClusLO, and ST_WORD.

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

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static FRESULT sync_fs ( FATFS * fs )

static

Definition at line 784 of file ff.c.

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(), RES_OK, ST_DWORD, ST_WORD, sync_window(), FATFS::win, and FATFS::winsect.

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

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static FRESULT sync_window ( FATFS * fs )

static

Definition at line 732 of file ff.c.

References 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_next(), f_mkdir(), f_write(), move_window(), and sync_fs().

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static FRESULT validate ( void * obj )

static

Definition at line 2235 of file ff.c.

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

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

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Variable Documentation

WORD Fsid

static

Definition at line 476 of file ff.c.

Referenced by chk_mounted().

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation