[z180-stamp.git] / fatfs / src / ff.h

/*----------------------------------------------------------------------------/\r
/  FatFs - Generic FAT file system module  R0.12b                             /\r
/-----------------------------------------------------------------------------/\r
/\r
/ Copyright (C) 2016, ChaN, all right reserved.\r
/\r
/ FatFs module is an open source software. Redistribution and use of FatFs in\r
/ source and binary forms, with or without modification, are permitted provided\r
/ that the following condition is met:\r
\r
/ 1. Redistributions of source code must retain the above copyright notice,\r
/    this condition and the following disclaimer.\r
/\r
/ This software is provided by the copyright holder and contributors "AS IS"\r
/ and any warranties related to this software are DISCLAIMED.\r
/ The copyright owner or contributors be NOT LIABLE for any damages caused\r
/ by use of this software.\r
/----------------------------------------------------------------------------*/\r
\r
\r
#ifndef _FATFS\r
#define _FATFS	68020	/* Revision ID */\r
\r
#ifdef __cplusplus\r
extern "C" {\r
#endif\r
\r
#include "integer.h"	/* Basic integer types */\r
#include "ffconf.h"		/* FatFs configuration options */\r
\r
#if _FATFS != _FFCONF\r
#error Wrong configuration file (ffconf.h).\r
#endif\r
\r
\r
\r
/* Definitions of volume management */\r
\r
#if _MULTI_PARTITION		/* Multiple partition configuration */\r
typedef struct {\r
	BYTE pd;	/* Physical drive number */\r
	BYTE pt;	/* Partition: 0:Auto detect, 1-4:Forced partition) */\r
} PARTITION;\r
extern PARTITION VolToPart[];	/* Volume - Partition resolution table */\r
#define LD2PD(vol) (VolToPart[vol].pd)	/* Get physical drive number */\r
#define LD2PT(vol) (VolToPart[vol].pt)	/* Get partition index */\r
\r
#else							/* Single partition configuration */\r
#define LD2PD(vol) (BYTE)(vol)	/* Each logical drive is bound to the same physical drive number */\r
#define LD2PT(vol) 0			/* Find first valid partition or in SFD */\r
\r
#endif\r
\r
\r
\r
/* Type of path name strings on FatFs API */\r
\r
#if _LFN_UNICODE			/* Unicode (UTF-16) string */\r
#if _USE_LFN == 0\r
#error _LFN_UNICODE must be 0 at non-LFN cfg.\r
#endif\r
#ifndef _INC_TCHAR\r
typedef WCHAR TCHAR;\r
#define _T(x) L ## x\r
#define _TEXT(x) L ## x\r
#endif\r
#else						/* ANSI/OEM string */\r
#ifndef _INC_TCHAR\r
typedef char TCHAR;\r
#define _T(x) x\r
#define _TEXT(x) x\r
#endif\r
#endif\r
\r
\r
\r
/* Type of file size variables */\r
\r
#if _FS_EXFAT\r
#if _USE_LFN == 0\r
#error LFN must be enabled when enable exFAT\r
#endif\r
typedef QWORD FSIZE_t;\r
#else\r
typedef DWORD FSIZE_t;\r
#endif\r
\r
\r
\r
/* File system object structure (FATFS) */\r
\r
typedef struct {\r
	BYTE	fs_type;		/* File system type (0:N/A) */\r
	BYTE	drv;			/* Physical drive number */\r
	BYTE	n_fats;			/* Number of FATs (1 or 2) */\r
	BYTE	wflag;			/* win[] flag (b0:dirty) */\r
	BYTE	fsi_flag;		/* FSINFO flags (b7:disabled, b0:dirty) */\r
	WORD	id;				/* File system mount ID */\r
	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */\r
	WORD	csize;			/* Cluster size [sectors] */\r
#if _MAX_SS != _MIN_SS\r
	WORD	ssize;			/* Sector size (512, 1024, 2048 or 4096) */\r
#endif\r
#if _USE_LFN != 0\r
	WCHAR*	lfnbuf;			/* LFN working buffer */\r
#endif\r
#if _FS_EXFAT\r
	BYTE*	dirbuf;			/* Directory entry block scratchpad buffer */\r
#endif\r
#if _FS_REENTRANT\r
	_SYNC_t	sobj;			/* Identifier of sync object */\r
#endif\r
#if !_FS_READONLY\r
	DWORD	last_clst;		/* Last allocated cluster */\r
	DWORD	free_clst;		/* Number of free clusters */\r
#endif\r
#if _FS_RPATH != 0\r
	DWORD	cdir;			/* Current directory start cluster (0:root) */\r
#if _FS_EXFAT\r
	DWORD	cdc_scl;		/* Containing directory start cluster (invalid when cdir is 0) */\r
	DWORD	cdc_size;		/* b31-b8:Size of containing directory, b7-b0: Chain status */\r
	DWORD	cdc_ofs;		/* Offset in the containing directory (invalid when cdir is 0) */\r
#endif\r
#endif\r
	DWORD	n_fatent;		/* Number of FAT entries (number of clusters + 2) */\r
	DWORD	fsize;			/* Size of an FAT [sectors] */\r
	DWORD	volbase;		/* Volume base sector */\r
	DWORD	fatbase;		/* FAT base sector */\r
	DWORD	dirbase;		/* Root directory base sector/cluster */\r
	DWORD	database;		/* Data base sector */\r
	DWORD	winsect;		/* Current sector appearing in the win[] */\r
	BYTE	win[_MAX_SS];	/* Disk access window for Directory, FAT (and file data at tiny cfg) */\r
} FATFS;\r
\r
\r
\r
/* Object ID and allocation information (_FDID) */\r
\r
typedef struct {\r
	FATFS*	fs;			/* Pointer to the owner file system object */\r
	WORD	id;			/* Owner file system mount ID */\r
	BYTE	attr;		/* Object attribute */\r
	BYTE	stat;		/* Object chain status (b1-0: =0:not contiguous, =2:contiguous (no data on FAT), =3:got flagmented, b2:sub-directory stretched) */\r
	DWORD	sclust;		/* Object start cluster (0:no cluster or root directory) */\r
	FSIZE_t	objsize;	/* Object size (valid when sclust != 0) */\r
#if _FS_EXFAT\r
	DWORD	n_cont;		/* Size of coutiguous part, clusters - 1 (valid when stat == 3) */\r
	DWORD	c_scl;		/* Containing directory start cluster (valid when sclust != 0) */\r
	DWORD	c_size;		/* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */\r
	DWORD	c_ofs;		/* Offset in the containing directory (valid when sclust != 0) */\r
#endif\r
#if _FS_LOCK != 0\r
	UINT	lockid;		/* File lock ID origin from 1 (index of file semaphore table Files[]) */\r
#endif\r
} _FDID;\r
\r
\r
\r
/* File object structure (FIL) */\r
\r
typedef struct {\r
	_FDID	obj;			/* Object identifier (must be the 1st member to detect invalid object pointer) */\r
	BYTE	flag;			/* File status flags */\r
	BYTE	err;			/* Abort flag (error code) */\r
	FSIZE_t	fptr;			/* File read/write pointer (Zeroed on file open) */\r
	DWORD	clust;			/* Current cluster of fpter (invalid when fprt is 0) */\r
	DWORD	sect;			/* Sector number appearing in buf[] (0:invalid) */\r
#if !_FS_READONLY\r
	DWORD	dir_sect;		/* Sector number containing the directory entry */\r
	BYTE*	dir_ptr;		/* Pointer to the directory entry in the win[] */\r
#endif\r
#if _USE_FASTSEEK\r
	DWORD*	cltbl;			/* Pointer to the cluster link map table (nulled on open, set by application) */\r
#endif\r
#if !_FS_TINY\r
	BYTE	buf[_MAX_SS];	/* File private data read/write window */\r
#endif\r
} FIL;\r
\r
\r
\r
/* Directory object structure (DIR) */\r
\r
typedef struct {\r
	_FDID	obj;			/* Object identifier */\r
	DWORD	dptr;			/* Current read/write offset */\r
	DWORD	clust;			/* Current cluster */\r
	DWORD	sect;			/* Current sector */\r
	BYTE*	dir;			/* Pointer to the directory item in the win[] */\r
	BYTE	fn[12];			/* SFN (in/out) {body[8],ext[3],status[1]} */\r
#if _USE_LFN != 0\r
	DWORD	blk_ofs;		/* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */\r
#endif\r
#if _USE_FIND\r
	const TCHAR* pat;		/* Pointer to the name matching pattern */\r
#endif\r
} DIR;\r
\r
\r
\r
/* File information structure (FILINFO) */\r
\r
typedef struct {\r
	FSIZE_t	fsize;			/* File size */\r
	WORD	fdate;			/* Modified date */\r
	WORD	ftime;			/* Modified time */\r
	BYTE	fattrib;		/* File attribute */\r
#if _USE_LFN != 0\r
	TCHAR	altname[13];			/* Altenative file name */\r
	TCHAR	fname[_MAX_LFN + 1];	/* Primary file name */\r
#else\r
	TCHAR	fname[13];		/* File name */\r
#endif\r
} FILINFO;\r
\r
\r
\r
/* File function return code (FRESULT) */\r
\r
typedef enum {\r
	FR_OK = 0,				/* (0) Succeeded */\r
	FR_DISK_ERR,			/* (1) A hard error occurred in the low level disk I/O layer */\r
	FR_INT_ERR,				/* (2) Assertion failed */\r
	FR_NOT_READY,			/* (3) The physical drive cannot work */\r
	FR_NO_FILE,				/* (4) Could not find the file */\r
	FR_NO_PATH,				/* (5) Could not find the path */\r
	FR_INVALID_NAME,		/* (6) The path name format is invalid */\r
	FR_DENIED,				/* (7) Access denied due to prohibited access or directory full */\r
	FR_EXIST,				/* (8) Access denied due to prohibited access */\r
	FR_INVALID_OBJECT,		/* (9) The file/directory object is invalid */\r
	FR_WRITE_PROTECTED,		/* (10) The physical drive is write protected */\r
	FR_INVALID_DRIVE,		/* (11) The logical drive number is invalid */\r
	FR_NOT_ENABLED,			/* (12) The volume has no work area */\r
	FR_NO_FILESYSTEM,		/* (13) There is no valid FAT volume */\r
	FR_MKFS_ABORTED,		/* (14) The f_mkfs() aborted due to any problem */\r
	FR_TIMEOUT,				/* (15) Could not get a grant to access the volume within defined period */\r
	FR_LOCKED,				/* (16) The operation is rejected according to the file sharing policy */\r
	FR_NOT_ENOUGH_CORE,		/* (17) LFN working buffer could not be allocated */\r
	FR_TOO_MANY_OPEN_FILES,	/* (18) Number of open files > _FS_LOCK */\r
	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */\r
} FRESULT;\r
\r
\r
\r
/*--------------------------------------------------------------*/\r
/* FatFs module application interface                           */\r
\r
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode);				/* Open or create a file */\r
FRESULT f_close (FIL* fp);											/* Close an open file object */\r
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br);			/* Read data from the file */\r
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw);	/* Write data to the file */\r
FRESULT f_lseek (FIL* fp, FSIZE_t ofs);								/* Move file pointer of the file object */\r
FRESULT f_truncate (FIL* fp);										/* Truncate the file */\r
FRESULT f_sync (FIL* fp);											/* Flush cached data of the writing file */\r
FRESULT f_opendir (DIR* dp, const TCHAR* path);						/* Open a directory */\r
FRESULT f_closedir (DIR* dp);										/* Close an open directory */\r
FRESULT f_readdir (DIR* dp, FILINFO* fno);							/* Read a directory item */\r
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern);	/* Find first file */\r
FRESULT f_findnext (DIR* dp, FILINFO* fno);							/* Find next file */\r
FRESULT f_mkdir (const TCHAR* path);								/* Create a sub directory */\r
FRESULT f_unlink (const TCHAR* path);								/* Delete an existing file or directory */\r
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new);	/* Rename/Move a file or directory */\r
FRESULT f_stat (const TCHAR* path, FILINFO* fno);					/* Get file status */\r
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask);			/* Change attribute of a file/dir */\r
FRESULT f_utime (const TCHAR* path, const FILINFO* fno);			/* Change timestamp of a file/dir */\r
FRESULT f_chdir (const TCHAR* path);								/* Change current directory */\r
FRESULT f_chdrive (const TCHAR* path);								/* Change current drive */\r
FRESULT f_getcwd (TCHAR* buff, UINT len);							/* Get current directory */\r
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs);	/* Get number of free clusters on the drive */\r
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn);	/* Get volume label */\r
FRESULT f_setlabel (const TCHAR* label);							/* Set volume label */\r
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf);	/* Forward data to the stream */\r
FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt);					/* Allocate a contiguous block to the file */\r
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt);			/* Mount/Unmount a logical drive */\r
FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len);	/* Create a FAT volume */\r
FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work);			/* Divide a physical drive into some partitions */\r
int f_putc (TCHAR c, FIL* fp);										/* Put a character to the file */\r
int f_puts (const TCHAR* str, FIL* cp);								/* Put a string to the file */\r
int f_printf (FIL* fp, const TCHAR* str, ...);						/* Put a formatted string to the file */\r
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp);						/* Get a string from the file */\r
\r
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))\r
#define f_error(fp) ((fp)->err)\r
#define f_tell(fp) ((fp)->fptr)\r
#define f_size(fp) ((fp)->obj.objsize)\r
#define f_rewind(fp) f_lseek((fp), 0)\r
#define f_rewinddir(dp) f_readdir((dp), 0)\r
\r
#ifndef EOF\r
#define EOF (-1)\r
#endif\r
\r
\r
\r
\r
/*--------------------------------------------------------------*/\r
/* Additional user defined functions                            */\r
\r
/* RTC function */\r
#if !_FS_READONLY && !_FS_NORTC\r
DWORD get_fattime (void);\r
#endif\r
\r
/* Unicode support functions */\r
#if _USE_LFN != 0						/* Unicode - OEM code conversion */\r
WCHAR ff_convert (WCHAR chr, UINT dir);	/* OEM-Unicode bidirectional conversion */\r
WCHAR ff_wtoupper (WCHAR chr);			/* Unicode upper-case conversion */\r
#if _USE_LFN == 3						/* Memory functions */\r
void* ff_memalloc (UINT msize);			/* Allocate memory block */\r
void ff_memfree (void* mblock);			/* Free memory block */\r
#endif\r
#endif\r
\r
/* Sync functions */\r
#if _FS_REENTRANT\r
int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj);	/* Create a sync object */\r
int ff_req_grant (_SYNC_t sobj);				/* Lock sync object */\r
void ff_rel_grant (_SYNC_t sobj);				/* Unlock sync object */\r
int ff_del_syncobj (_SYNC_t sobj);				/* Delete a sync object */\r
#endif\r
\r
\r
\r
\r
/*--------------------------------------------------------------*/\r
/* Flags and offset address                                     */\r
\r
\r
/* File access mode and open method flags (3rd argument of f_open) */\r
#define	FA_READ				0x01\r
#define	FA_WRITE			0x02\r
#define	FA_OPEN_EXISTING	0x00\r
#define	FA_CREATE_NEW		0x04\r
#define	FA_CREATE_ALWAYS	0x08\r
#define	FA_OPEN_ALWAYS		0x10\r
#define	FA_OPEN_APPEND		0x30\r
\r
/* Fast seek controls (2nd argument of f_lseek) */\r
#define CREATE_LINKMAP	((FSIZE_t)0 - 1)\r
\r
/* Format options (2nd argument of f_mkfs) */\r
#define FM_FAT		0x01\r
#define FM_FAT32	0x02\r
#define FM_EXFAT	0x04\r
#define FM_ANY		0x07\r
#define FM_SFD		0x08\r
\r
/* Filesystem type (FATFS.fs_type) */\r
#define FS_FAT12	1\r
#define FS_FAT16	2\r
#define FS_FAT32	3\r
#define FS_EXFAT	4\r
\r
/* File attribute bits for directory entry (FILINFO.fattrib) */\r
#define	AM_RDO	0x01	/* Read only */\r
#define	AM_HID	0x02	/* Hidden */\r
#define	AM_SYS	0x04	/* System */\r
#define AM_DIR	0x10	/* Directory */\r
#define AM_ARC	0x20	/* Archive */\r
\r
\r
#ifdef __cplusplus\r
}\r
#endif\r
\r
#endif /* _FATFS */\r
Commit	Line	Data
70702af1 L	1	/*----------------------------------------------------------------------------/\r
	2	/ FatFs - Generic FAT file system module R0.12b /\r
	3	/-----------------------------------------------------------------------------/\r
53668523	4	/\r
70702af1	5	/ Copyright (C) 2016, ChaN, all right reserved.\r
53668523	6	/\r
70702af1 L	7	/ FatFs module is an open source software. Redistribution and use of FatFs in\r
	8	/ source and binary forms, with or without modification, are permitted provided\r
	9	/ that the following condition is met:\r
	10	\r
	11	/ 1. Redistributions of source code must retain the above copyright notice,\r
	12	/ this condition and the following disclaimer.\r
53668523	13	/\r
70702af1 L	14	/ This software is provided by the copyright holder and contributors "AS IS"\r
	15	/ and any warranties related to this software are DISCLAIMED.\r
	16	/ The copyright owner or contributors be NOT LIABLE for any damages caused\r
	17	/ by use of this software.\r
53668523 L	18	/----------------------------------------------------------------------------*/\r
53668523 L	19	\r
70702af1	20	\r
53668523	21	#ifndef _FATFS\r
70702af1	22	#define _FATFS 68020 /* Revision ID */\r
53668523 L	23	\r
	24	#ifdef __cplusplus\r
	25	extern "C" {\r
	26	#endif\r
	27	\r
	28	#include "integer.h" /* Basic integer types */\r
	29	#include "ffconf.h" /* FatFs configuration options */\r
70702af1	30	\r
53668523 L	31	#if _FATFS != _FFCONF\r
	32	#error Wrong configuration file (ffconf.h).\r
	33	#endif\r
	34	\r
	35	\r
	36	\r
	37	/* Definitions of volume management */\r
	38	\r
	39	#if _MULTI_PARTITION /* Multiple partition configuration */\r
	40	typedef struct {\r
	41	BYTE pd; /* Physical drive number */\r
	42	BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */\r
	43	} PARTITION;\r
	44	extern PARTITION VolToPart[]; /* Volume - Partition resolution table */\r
	45	#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */\r
	46	#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */\r
	47	\r
	48	#else /* Single partition configuration */\r
	49	#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */\r
	50	#define LD2PT(vol) 0 /* Find first valid partition or in SFD */\r
	51	\r
	52	#endif\r
	53	\r
	54	\r
	55	\r
	56	/* Type of path name strings on FatFs API */\r
	57	\r
70702af1 L	58	#if _LFN_UNICODE /* Unicode (UTF-16) string */\r
70702af1 L	59	#if _USE_LFN == 0\r
53668523 L	60	#error _LFN_UNICODE must be 0 at non-LFN cfg.\r
	61	#endif\r
	62	#ifndef _INC_TCHAR\r
	63	typedef WCHAR TCHAR;\r
	64	#define _T(x) L ## x\r
	65	#define _TEXT(x) L ## x\r
	66	#endif\r
53668523 L	67	#else /* ANSI/OEM string */\r
	68	#ifndef _INC_TCHAR\r
	69	typedef char TCHAR;\r
	70	#define _T(x) x\r
	71	#define _TEXT(x) x\r
	72	#endif\r
70702af1	73	#endif\r
53668523	74	\r
70702af1 L	75	\r
	76	\r
	77	/* Type of file size variables */\r
	78	\r
	79	#if _FS_EXFAT\r
	80	#if _USE_LFN == 0\r
	81	#error LFN must be enabled when enable exFAT\r
	82	#endif\r
	83	typedef QWORD FSIZE_t;\r
	84	#else\r
	85	typedef DWORD FSIZE_t;\r
53668523 L	86	#endif\r
	87	\r
	88	\r
	89	\r
	90	/* File system object structure (FATFS) */\r
	91	\r
	92	typedef struct {\r
70702af1	93	BYTE fs_type; /* File system type (0:N/A) */\r
53668523	94	BYTE drv; /* Physical drive number */\r
70702af1	95	BYTE n_fats; /* Number of FATs (1 or 2) */\r
53668523 L	96	BYTE wflag; /* win[] flag (b0:dirty) */\r
	97	BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */\r
	98	WORD id; /* File system mount ID */\r
	99	WORD n_rootdir; /* Number of root directory entries (FAT12/16) */\r
70702af1	100	WORD csize; /* Cluster size [sectors] */\r
53668523	101	#if _MAX_SS != _MIN_SS\r
70702af1 L	102	WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */\r
	103	#endif\r
	104	#if _USE_LFN != 0\r
	105	WCHAR* lfnbuf; /* LFN working buffer */\r
	106	#endif\r
	107	#if _FS_EXFAT\r
	108	BYTE* dirbuf; /* Directory entry block scratchpad buffer */\r
53668523 L	109	#endif\r
	110	#if _FS_REENTRANT\r
	111	_SYNC_t sobj; /* Identifier of sync object */\r
	112	#endif\r
	113	#if !_FS_READONLY\r
70702af1 L	114	DWORD last_clst; /* Last allocated cluster */\r
70702af1 L	115	DWORD free_clst; /* Number of free clusters */\r
53668523	116	#endif\r
70702af1	117	#if _FS_RPATH != 0\r
53668523	118	DWORD cdir; /* Current directory start cluster (0:root) */\r
70702af1 L	119	#if _FS_EXFAT\r
	120	DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */\r
	121	DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */\r
	122	DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */\r
	123	#endif\r
53668523	124	#endif\r
70702af1 L	125	DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */\r
	126	DWORD fsize; /* Size of an FAT [sectors] */\r
	127	DWORD volbase; /* Volume base sector */\r
	128	DWORD fatbase; /* FAT base sector */\r
	129	DWORD dirbase; /* Root directory base sector/cluster */\r
	130	DWORD database; /* Data base sector */\r
53668523 L	131	DWORD winsect; /* Current sector appearing in the win[] */\r
	132	BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */\r
	133	} FATFS;\r
	134	\r
	135	\r
	136	\r
70702af1 L	137	/* Object ID and allocation information (_FDID) */\r
	138	\r
	139	typedef struct {\r
	140	FATFS* fs; /* Pointer to the owner file system object */\r
	141	WORD id; /* Owner file system mount ID */\r
	142	BYTE attr; /* Object attribute */\r
	143	BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous (no data on FAT), =3:got flagmented, b2:sub-directory stretched) */\r
	144	DWORD sclust; /* Object start cluster (0:no cluster or root directory) */\r
	145	FSIZE_t objsize; /* Object size (valid when sclust != 0) */\r
	146	#if _FS_EXFAT\r
	147	DWORD n_cont; /* Size of coutiguous part, clusters - 1 (valid when stat == 3) */\r
	148	DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */\r
	149	DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */\r
	150	DWORD c_ofs; /* Offset in the containing directory (valid when sclust != 0) */\r
	151	#endif\r
	152	#if _FS_LOCK != 0\r
	153	UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */\r
	154	#endif\r
	155	} _FDID;\r
	156	\r
	157	\r
	158	\r
53668523 L	159	/* File object structure (FIL) */\r
	160	\r
	161	typedef struct {\r
70702af1 L	162	_FDID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */\r
70702af1 L	163	BYTE flag; /* File status flags */\r
53668523	164	BYTE err; /* Abort flag (error code) */\r
70702af1 L	165	FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */\r
	166	DWORD clust; /* Current cluster of fpter (invalid when fprt is 0) */\r
	167	DWORD sect; /* Sector number appearing in buf[] (0:invalid) */\r
53668523 L	168	#if !_FS_READONLY\r
	169	DWORD dir_sect; /* Sector number containing the directory entry */\r
	170	BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */\r
	171	#endif\r
	172	#if _USE_FASTSEEK\r
70702af1	173	DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */\r
53668523 L	174	#endif\r
	175	#if !_FS_TINY\r
	176	BYTE buf[_MAX_SS]; /* File private data read/write window */\r
	177	#endif\r
	178	} FIL;\r
	179	\r
	180	\r
	181	\r
	182	/* Directory object structure (DIR) */\r
	183	\r
	184	typedef struct {\r
70702af1 L	185	_FDID obj; /* Object identifier */\r
70702af1 L	186	DWORD dptr; /* Current read/write offset */\r
53668523 L	187	DWORD clust; /* Current cluster */\r
53668523 L	188	DWORD sect; /* Current sector */\r
70702af1 L	189	BYTE* dir; /* Pointer to the directory item in the win[] */\r
	190	BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */\r
	191	#if _USE_LFN != 0\r
	192	DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */\r
53668523	193	#endif\r
70702af1 L	194	#if _USE_FIND\r
70702af1 L	195	const TCHAR* pat; /* Pointer to the name matching pattern */\r
53668523 L	196	#endif\r
	197	} DIR;\r
	198	\r
	199	\r
	200	\r
70702af1	201	/* File information structure (FILINFO) */\r
53668523 L	202	\r
53668523 L	203	typedef struct {\r
70702af1 L	204	FSIZE_t fsize; /* File size */\r
	205	WORD fdate; /* Modified date */\r
	206	WORD ftime; /* Modified time */\r
	207	BYTE fattrib; /* File attribute */\r
	208	#if _USE_LFN != 0\r
	209	TCHAR altname[13]; /* Altenative file name */\r
	210	TCHAR fname[_MAX_LFN + 1]; /* Primary file name */\r
	211	#else\r
	212	TCHAR fname[13]; /* File name */\r
53668523 L	213	#endif\r
	214	} FILINFO;\r
	215	\r
	216	\r
	217	\r
	218	/* File function return code (FRESULT) */\r
	219	\r
	220	typedef enum {\r
	221	FR_OK = 0, /* (0) Succeeded */\r
	222	FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */\r
	223	FR_INT_ERR, /* (2) Assertion failed */\r
	224	FR_NOT_READY, /* (3) The physical drive cannot work */\r
	225	FR_NO_FILE, /* (4) Could not find the file */\r
	226	FR_NO_PATH, /* (5) Could not find the path */\r
	227	FR_INVALID_NAME, /* (6) The path name format is invalid */\r
	228	FR_DENIED, /* (7) Access denied due to prohibited access or directory full */\r
	229	FR_EXIST, /* (8) Access denied due to prohibited access */\r
	230	FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */\r
	231	FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */\r
	232	FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */\r
	233	FR_NOT_ENABLED, /* (12) The volume has no work area */\r
	234	FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */\r
70702af1	235	FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */\r
53668523 L	236	FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */\r
	237	FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */\r
	238	FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */\r
70702af1	239	FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */\r
53668523 L	240	FR_INVALID_PARAMETER /* (19) Given parameter is invalid */\r
	241	} FRESULT;\r
	242	\r
	243	\r
	244	\r
	245	/--------------------------------------------------------------/\r
	246	/* FatFs module application interface */\r
	247	\r
	248	FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */\r
	249	FRESULT f_close (FIL* fp); /* Close an open file object */\r
70702af1 L	250	FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */\r
	251	FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */\r
	252	FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */\r
	253	FRESULT f_truncate (FIL* fp); /* Truncate the file */\r
	254	FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */\r
53668523 L	255	FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */\r
	256	FRESULT f_closedir (DIR* dp); /* Close an open directory */\r
	257	FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */\r
70702af1 L	258	FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */\r
70702af1 L	259	FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */\r
53668523 L	260	FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */\r
	261	FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */\r
	262	FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */\r
	263	FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */\r
70702af1 L	264	FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */\r
70702af1 L	265	FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */\r
53668523 L	266	FRESULT f_chdir (const TCHAR* path); /* Change current directory */\r
	267	FRESULT f_chdrive (const TCHAR* path); /* Change current drive */\r
	268	FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */\r
	269	FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */\r
	270	FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */\r
	271	FRESULT f_setlabel (const TCHAR* label); /* Set volume label */\r
70702af1 L	272	FRESULT f_forward (FIL* fp, UINT(func)(const BYTE,UINT), UINT btf, UINT* bf); /* Forward data to the stream */\r
70702af1 L	273	FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */\r
53668523	274	FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */\r
70702af1 L	275	FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */\r
70702af1 L	276	FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */\r
53668523 L	277	int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */\r
	278	int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */\r
	279	int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */\r
	280	TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */\r
	281	\r
70702af1	282	#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))\r
53668523 L	283	#define f_error(fp) ((fp)->err)\r
53668523 L	284	#define f_tell(fp) ((fp)->fptr)\r
70702af1 L	285	#define f_size(fp) ((fp)->obj.objsize)\r
	286	#define f_rewind(fp) f_lseek((fp), 0)\r
	287	#define f_rewinddir(dp) f_readdir((dp), 0)\r
53668523 L	288	\r
	289	#ifndef EOF\r
	290	#define EOF (-1)\r
	291	#endif\r
	292	\r
	293	\r
	294	\r
	295	\r
	296	/--------------------------------------------------------------/\r
	297	/* Additional user defined functions */\r
	298	\r
	299	/* RTC function */\r
7b78a5a2	300	#if !_FS_READONLY && !_FS_NORTC\r
53668523 L	301	DWORD get_fattime (void);\r
	302	#endif\r
	303	\r
	304	/* Unicode support functions */\r
70702af1	305	#if _USE_LFN != 0 /* Unicode - OEM code conversion */\r
53668523 L	306	WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */\r
	307	WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */\r
	308	#if _USE_LFN == 3 /* Memory functions */\r
	309	void* ff_memalloc (UINT msize); /* Allocate memory block */\r
	310	void ff_memfree (void* mblock); /* Free memory block */\r
	311	#endif\r
	312	#endif\r
	313	\r
	314	/* Sync functions */\r
	315	#if _FS_REENTRANT\r
	316	int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */\r
	317	int ff_req_grant (_SYNC_t sobj); /* Lock sync object */\r
	318	void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */\r
	319	int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */\r
	320	#endif\r
	321	\r
	322	\r
	323	\r
	324	\r
	325	/--------------------------------------------------------------/\r
	326	/* Flags and offset address */\r
	327	\r
	328	\r
70702af1	329	/* File access mode and open method flags (3rd argument of f_open) */\r
53668523	330	#define FA_READ 0x01\r
53668523	331	#define FA_WRITE 0x02\r
70702af1	332	#define FA_OPEN_EXISTING 0x00\r
53668523 L	333	#define FA_CREATE_NEW 0x04\r
	334	#define FA_CREATE_ALWAYS 0x08\r
	335	#define FA_OPEN_ALWAYS 0x10\r
70702af1	336	#define FA_OPEN_APPEND 0x30\r
53668523	337	\r
70702af1 L	338	/* Fast seek controls (2nd argument of f_lseek) */\r
70702af1 L	339	#define CREATE_LINKMAP ((FSIZE_t)0 - 1)\r
53668523	340	\r
70702af1 L	341	/* Format options (2nd argument of f_mkfs) */\r
	342	#define FM_FAT 0x01\r
	343	#define FM_FAT32 0x02\r
	344	#define FM_EXFAT 0x04\r
	345	#define FM_ANY 0x07\r
	346	#define FM_SFD 0x08\r
53668523	347	\r
70702af1	348	/* Filesystem type (FATFS.fs_type) */\r
53668523 L	349	#define FS_FAT12 1\r
	350	#define FS_FAT16 2\r
	351	#define FS_FAT32 3\r
70702af1	352	#define FS_EXFAT 4\r
53668523	353	\r
70702af1	354	/* File attribute bits for directory entry (FILINFO.fattrib) */\r
53668523 L	355	#define AM_RDO 0x01 /* Read only */\r
	356	#define AM_HID 0x02 /* Hidden */\r
	357	#define AM_SYS 0x04 /* System */\r
53668523 L	358	#define AM_DIR 0x10 /* Directory */\r
53668523 L	359	#define AM_ARC 0x20 /* Archive */\r
53668523 L	360	\r
53668523 L	361	\r
53668523 L	362	#ifdef __cplusplus\r
	363	}\r
	364	#endif\r
	365	\r
	366	#endif /* _FATFS */\r