capi/ff.c File Reference

#include "ff.h"
#include "type.h"
#include "string.h"
#include "trace.h"

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Defines
#define	ENTER_FF(fs)
#define	LEAVE_FF(fs, res)   return res
#define	ABORT(fs, res)   { fp->flag |= FA__ERROR; LEAVE_FF(fs, res); }
#define	NULL   0
#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	NAMEBUF(sp, lp)   BYTE sp[12]
#define	INITBUF(dj, sp, lp)   dj.fn = sp
Functions
DWORD	get_fat (FATFS *fs, DWORD clst)
FRESULT	put_fat (FATFS *fs, DWORD clst, DWORD val)
DWORD	clust2sect (FATFS *fs, DWORD clst)
FRESULT	chk_mounted (const XCHAR **path, FATFS **rfs, BYTE chk_wp)
FRESULT	f_mount (BYTE vol, FATFS *fs)
FRESULT	f_open (FIL *fp, const XCHAR *path, BYTE mode)
FRESULT	f_read (FIL *fp, void *buff, UINT btr, UINT *br, BYTE bToSSDMem, f_readcallback pRCB)
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 (DIR *dj, const XCHAR *path)
FRESULT	f_readdir (DIR *dj, FILINFO *fno)

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Define Documentation

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

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

#define ENTER_FF

(

fs

)

Referenced by chk_mounted().

#define INITBUF	(	dj,
		sp,
		lp		)	dj.fn = sp

Referenced by f_open(), f_opendir(), and f_readdir().

#define LEAVE_FF	(	fs,
		res		)	return res

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

#define NAMEBUF	(	sp,
		lp		)	BYTE sp[12]

Referenced by f_open(), f_opendir(), and f_readdir().

#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 NULL   0

Referenced by f_close(), f_open(), ParseCmdLine(), and Write_JPEG_data_to_SD().

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Function Documentation

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

References _DRIVES, _MAX_SS, BPB_BytsPerSec, BPB_FATSz16, BPB_FATSz32, BPB_FSInfo, BPB_NumFATs, BPB_RootClus, BPB_RootEntCnt, BPB_RsvdSecCnt, BPB_SecPerClus, BPB_TotSec16, BPB_TotSec32, BS_55AA, _FATFS_::csize, _FATFS_::database, _FATFS_::dirbase, disk_initialize(), disk_ioctl(), disk_read(), disk_status(), _FATFS_::drive, DWORD, 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, GET_SECTOR_SIZE, _FATFS_::id, _FATFS_::last_clust, LD2PD, LD2PT, LD_DWORD, LD_WORD, _FATFS_::max_clust, MBR_Table, _FATFS_::n_fats, _FATFS_::n_rootdir, RES_OK, _FATFS_::sects_fat, STA_NOINIT, STA_PROTECT, TRACE, TRACE1, TRACE3, UINT, _FATFS_::wflag, _FATFS_::win, and _FATFS_::winsect.

Referenced by f_open(), and f_opendir().

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DWORD clust2sect	(	FATFS *	fs,
		DWORD	clst
	)

References _FATFS_::csize, _FATFS_::database, and _FATFS_::max_clust.

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

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FRESULT f_close

(

FIL *

fp

)

References f_sync(), FR_OK, _FIL_::fs, _FIL_::id, LEAVE_FF, and NULL.

Referenced by LoadFileToSSDMem(), main(), PlayMJPEG(), and Write_JPEG_data_to_SD().

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FRESULT f_lseek	(	FIL *	fp,
		DWORD	ofs
	)

References _FS_READONLY, ABORT, _FIL_::buf, clust2sect(), _FIL_::csect, _FATFS_::csize, _FIL_::curr_clust, disk_read(), disk_write(), _FATFS_::drive, _FIL_::dsect, DWORD, FA__DIRTY, FA__ERROR, FA__WRITTEN, FA_WRITE, _FIL_::flag, _FIL_::fptr, FR_DISK_ERR, FR_INT_ERR, FR_OK, _FIL_::fs, _FIL_::fsize, get_fat(), _FIL_::id, LEAVE_FF, _FATFS_::max_clust, _FIL_::org_clust, RES_OK, and TRACE.

Referenced by LoadFileToSSDMem().

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FRESULT f_mount	(	BYTE	vol,
		FATFS *	fs
	)

References _DRIVES, FR_INT_ERR, FR_INVALID_DRIVE, FR_OK, and _FATFS_::fs_type.

Referenced by main(), and Write_JPEG_data_to_SD().

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

References AM_DIR, AM_RDO, chk_mounted(), _FIL_::csect, _DIR_::dir, DIR_Attr, DIR_CrtTime, DIR_FileSize, DIR_FstClusHI, DIR_FstClusLO, _FIL_::dir_ptr, _FIL_::dir_sect, _FIL_::dsect, DWORD, FA__WRITTEN, FA_CREATE_ALWAYS, FA_CREATE_NEW, FA_OPEN_ALWAYS, FA_READ, FA_WRITE, _FIL_::flag, _FIL_::fptr, FR_DENIED, FR_EXIST, FR_NO_FILE, FR_OK, _DIR_::fs, _FIL_::fs, _FIL_::fsize, get_fattime(), _FATFS_::id, _FIL_::id, INITBUF, _FATFS_::last_clust, LD_DWORD, LD_WORD, LEAVE_FF, NAMEBUF, NULL, _FIL_::org_clust, ST_DWORD, ST_WORD, TRACE, TRACE1, _FATFS_::wflag, and _FATFS_::winsect.

Referenced by LoadFileToSSDMem(), OpenFile(), PlayMJPEG(), and Write_JPEG_data_to_SD().

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

References AM_DIR, chk_mounted(), _DIR_::dir, DIR_Attr, DIR_FstClusHI, DIR_FstClusLO, DWORD, FR_NO_FILE, FR_NO_PATH, FR_OK, _DIR_::fs, _FATFS_::id, _DIR_::id, INITBUF, LD_WORD, LEAVE_FF, NAMEBUF, _DIR_::sclust, and TRACE.

Referenced by EnumDir().

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FRESULT f_read	(	FIL *	fp,
		void *	buff,
		UINT	btr,
		UINT *	br,
		BYTE	bToSSDMem,
		f_readcallback	pRCB
	)

References ABORT, _FIL_::buf, clust2sect(), _FIL_::csect, _FATFS_::csize, _FIL_::curr_clust, disk_read(), disk_write(), _FATFS_::drive, _FIL_::dsect, DWORD, 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, _FIL_::org_clust, RES_OK, TRACE, TRACE2, UINT, _FATFS_::wflag, _FATFS_::win, and _FATFS_::winsect.

Referenced by LoadFileToSSDMem(), PlayMJPEG(), and ReadFile().

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FRESULT f_readdir	(	DIR *	dj,
		FILINFO *	fno
	)

References FALSE, FR_NO_FILE, FR_OK, _DIR_::fs, _DIR_::id, INITBUF, LEAVE_FF, NAMEBUF, and _DIR_::sect.

Referenced by EnumDir().

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FRESULT f_sync

(

FIL *

fp

)

References AM_ARC, _FIL_::buf, DIR_Attr, DIR_FileSize, DIR_FstClusHI, DIR_FstClusLO, _FIL_::dir_ptr, _FIL_::dir_sect, DIR_WrtTime, disk_write(), _FATFS_::drive, _FIL_::dsect, DWORD, FA__DIRTY, FA__WRITTEN, _FIL_::flag, FR_DISK_ERR, FR_OK, _FIL_::fs, _FIL_::fsize, get_fattime(), _FIL_::id, LEAVE_FF, _FIL_::org_clust, RES_OK, ST_DWORD, ST_WORD, and _FATFS_::wflag.

Referenced by f_close().

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

References ABORT, _FIL_::buf, clust2sect(), _FIL_::csect, _FATFS_::csize, _FIL_::curr_clust, disk_read(), disk_write(), _FATFS_::drive, _FIL_::dsect, DWORD, 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, _FIL_::org_clust, RES_OK, TRACE, TRACE1, UINT, _FATFS_::wflag, _FATFS_::win, and _FATFS_::winsect.

Referenced by Write_JPEG_data_to_SD(), and WriteFile().

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DWORD get_fat	(	FATFS *	fs,
		DWORD	clst
	)

References DWORD, _FATFS_::fatbase, FS_FAT12, FS_FAT16, FS_FAT32, _FATFS_::fs_type, LD_DWORD, LD_WORD, _FATFS_::max_clust, TRACE1, UINT, _FATFS_::win, and WORD.

Referenced by f_lseek(), and f_read().

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

References DWORD, _FATFS_::fatbase, FR_INT_ERR, FR_OK, FS_FAT12, FS_FAT16, FS_FAT32, _FATFS_::fs_type, _FATFS_::max_clust, ST_DWORD, ST_WORD, TRACE, TRACE1, UINT, _FATFS_::wflag, _FATFS_::win, and WORD.