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

Defines
#define	SS(fs) 512U
#define	ENTER_FF(fs)
#define	LEAVE_FF(fs, res) return res
#define	ABORT(fs, res) { fp->flag \|= FA__ERROR; LEAVE_FF(fs, res); }
#define	LD_CLUST(dir) (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) \| LD_WORD(dir+DIR_FstClusLO))
#define	ST_CLUST(dir, cl) {ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);}
#define	_DF1S 0x81
#define	_DF1E 0x9F
#define	_DF2S 0xE0
#define	_DF2E 0xFC
#define	_DS1S 0x40
#define	_DS1E 0x7E
#define	_DS2S 0x80
#define	_DS2E 0xFC
#define	IsUpper(c) (((c)>='A')&&((c)<='Z'))
#define	IsLower(c) (((c)>='a')&&((c)<='z'))
#define	IsDigit(c) (((c)>='0')&&((c)<='9'))
#define	IsDBCS1(c) (((unsigned char)(c) >= _DF1S && (unsigned char)(c) <= _DF1E) \|\| ((unsigned char)(c) >= _DF2S && (unsigned char)(c) <= _DF2E))
#define	IsDBCS2(c) (((unsigned char)(c) >= _DS1S && (unsigned char)(c) <= _DS1E) \|\| ((unsigned char)(c) >= _DS2S && (unsigned char)(c) <= _DS2E))
#define	NS 11
#define	NS_LOSS 0x01
#define	NS_LFN 0x02
#define	NS_LAST 0x04
#define	NS_BODY 0x08
#define	NS_EXT 0x10
#define	NS_DOT 0x20
#define	MIN_FAT16 4086
#define	MIN_FAT32 65526
#define	BS_jmpBoot 0
#define	BS_OEMName 3
#define	BPB_BytsPerSec 11
#define	BPB_SecPerClus 13
#define	BPB_RsvdSecCnt 14
#define	BPB_NumFATs 16
#define	BPB_RootEntCnt 17
#define	BPB_TotSec16 19
#define	BPB_Media 21
#define	BPB_FATSz16 22
#define	BPB_SecPerTrk 24
#define	BPB_NumHeads 26
#define	BPB_HiddSec 28
#define	BPB_TotSec32 32
#define	BS_DrvNum 36
#define	BS_BootSig 38
#define	BS_VolID 39
#define	BS_VolLab 43
#define	BS_FilSysType 54
#define	BPB_FATSz32 36
#define	BPB_ExtFlags 40
#define	BPB_FSVer 42
#define	BPB_RootClus 44
#define	BPB_FSInfo 48
#define	BPB_BkBootSec 50
#define	BS_DrvNum32 64
#define	BS_BootSig32 66
#define	BS_VolID32 67
#define	BS_VolLab32 71
#define	BS_FilSysType32 82
#define	FSI_LeadSig 0
#define	FSI_StrucSig 484
#define	FSI_Free_Count 488
#define	FSI_Nxt_Free 492
#define	MBR_Table 446
#define	SZ_PTE 16
#define	BS_55AA 510
#define	DIR_Name 0
#define	DIR_Attr 11
#define	DIR_NTres 12
#define	DIR_CrtTime 14
#define	DIR_CrtDate 16
#define	DIR_FstClusHI 20
#define	DIR_WrtTime 22
#define	DIR_WrtDate 24
#define	DIR_FstClusLO 26
#define	DIR_FileSize 28
#define	LDIR_Ord 0
#define	LDIR_Attr 11
#define	LDIR_Type 12
#define	LDIR_Chksum 13
#define	LDIR_FstClusLO 26
#define	SZ_DIR 32
#define	LLE 0x40
#define	DDE 0xE5
#define	NDDE 0x05
#define	DEF_NAMEBUF unsigned char sfn[12]
#define	INIT_BUF(dobj) (dobj).fn = sfn
#define	FREE_BUF()
Functions
DWORD	clust2sect (FATFS *fs, DWORD clst)
DWORD	get_fat (FATFS *fs, DWORD clst)
FRESULT	put_fat (FATFS *fs, DWORD clst, DWORD val)
FRESULT	f_mount (unsigned char vol, FATFS *fs)
FRESULT	f_open (FIL fp, const TCHAR path, unsigned char mode)
FRESULT	f_read (FIL fp, void buff, UINT btr, UINT *br)
FRESULT	f_write (FIL fp, const void buff, UINT btw, UINT *bw)
FRESULT	f_sync (FIL *fp)
FRESULT	f_close (FIL *fp)
FRESULT	f_lseek (FIL *fp, DWORD ofs)
FRESULT	f_opendir (DIRS dj, const TCHAR path)
FRESULT	f_readdir (DIRS dj, FILINFO fno)
FRESULT	f_stat (const TCHAR path, FILINFO fno)
FRESULT	f_getfree (const TCHAR path, DWORD nclst, FATFS **fatfs)
FRESULT	f_truncate (FIL *fp)
FRESULT	f_unlink (const TCHAR *path)
FRESULT	f_mkdir (const TCHAR *path)
FRESULT	f_chmod (const TCHAR *path, unsigned char value, unsigned char mask)
FRESULT	f_utime (const TCHAR path, const FILINFO fno)
FRESULT	f_rename (const TCHAR path_old, const TCHAR path_new)

Define Documentation

#define _DF1E 0x9F

#define _DF1S 0x81

#define _DF2E 0xFC

#define _DF2S 0xE0

#define _DS1E 0x7E

#define _DS1S 0x40

#define _DS2E 0xFC

#define _DS2S 0x80

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

#define BPB_BkBootSec 50

#define BPB_BytsPerSec 11

#define BPB_ExtFlags 40

#define BPB_FATSz16 22

#define BPB_FATSz32 36

#define BPB_FSInfo 48

#define BPB_FSVer 42

#define BPB_HiddSec 28

#define BPB_Media 21

#define BPB_NumFATs 16

#define BPB_NumHeads 26

#define BPB_RootClus 44

#define BPB_RootEntCnt 17

#define BPB_RsvdSecCnt 14

#define BPB_SecPerClus 13

#define BPB_SecPerTrk 24

#define BPB_TotSec16 19

#define BPB_TotSec32 32

#define BS_55AA 510

#define BS_BootSig 38

#define BS_BootSig32 66

#define BS_DrvNum 36

#define BS_DrvNum32 64

#define BS_FilSysType 54

#define BS_FilSysType32 82

#define BS_jmpBoot 0

#define BS_OEMName 3

#define BS_VolID 39

#define BS_VolID32 67

#define BS_VolLab 43

#define BS_VolLab32 71

#define DDE 0xE5

#define DEF_NAMEBUF unsigned char sfn[12]

#define DIR_Attr 11

#define DIR_CrtDate 16

#define DIR_CrtTime 14

#define DIR_FileSize 28

#define DIR_FstClusHI 20

#define DIR_FstClusLO 26

#define DIR_Name 0

#define DIR_NTres 12

#define DIR_WrtDate 24

#define DIR_WrtTime 22

#define ENTER_FF ( fs )

#define FREE_BUF ( )

#define FSI_Free_Count 488

#define FSI_LeadSig 0

#define FSI_Nxt_Free 492

#define FSI_StrucSig 484

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

#define IsDBCS1 ( c ) (((unsigned char)(c) >= _DF1S && (unsigned char)(c) <= _DF1E) || ((unsigned char)(c) >= _DF2S && (unsigned char)(c) <= _DF2E))

#define IsDBCS2 ( c ) (((unsigned char)(c) >= _DS1S && (unsigned char)(c) <= _DS1E) || ((unsigned char)(c) >= _DS2S && (unsigned char)(c) <= _DS2E))

#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

#define LDIR_Chksum 13

#define LDIR_FstClusLO 26

#define LDIR_Ord 0

#define LDIR_Type 12

#define LEAVE_FF	(	fs,
		res
	)	return res

#define LLE 0x40

#define MBR_Table 446

#define MIN_FAT16 4086

#define MIN_FAT32 65526

#define NDDE 0x05

#define NS 11

#define NS_BODY 0x08

#define NS_DOT 0x20

#define NS_EXT 0x10

#define NS_LAST 0x04

#define NS_LFN 0x02

#define NS_LOSS 0x01

#define SS ( fs ) 512U

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

#define SZ_DIR 32

#define SZ_PTE 16

Function Documentation

DWORD clust2sect	(	FATFS *	fs,
		DWORD	clst
	)

FRESULT f_chmod	(	const TCHAR *	path,
		unsigned char	value,
		unsigned char	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	(	unsigned char	vol,
		FATFS *	fs
	)

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

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

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

FRESULT f_readdir	(	DIRS *	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
	)

DWORD get_fat	(	FATFS *	fs,
		DWORD	clst
	)

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

ff.c File Reference

Defines

Functions

Define Documentation

Function Documentation