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

/*---------------------------------------------------------------------------/\r
/  FatFs - FAT file system module include file  R0.10b    (C)ChaN, 2014\r
/----------------------------------------------------------------------------/\r
/ FatFs module is a generic FAT file system module for small embedded systems.\r
/ This is a free software that opened for education, research and commercial\r
/ developments under license policy of following terms.\r
/\r
/  Copyright (C) 2014, ChaN, all right reserved.\r
/\r
/ * The FatFs module is a free software and there is NO WARRANTY.\r
/ * No restriction on use. You can use, modify and redistribute it for\r
/   personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.\r
/ * Redistributions of source code must retain the above copyright notice.\r
/\r
/----------------------------------------------------------------------------*/\r
\r
#ifndef _FATFS\r
#define _FATFS	8051	/* 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 string */\r
#if !_USE_LFN\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
\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
\r
#endif\r
\r
\r
\r
/* File system object structure (FATFS) */\r
\r
typedef struct {\r
	BYTE	fs_type;		/* FAT sub-type (0:Not mounted) */\r
	BYTE	drv;			/* Physical drive number */\r
	BYTE	csize;			/* Sectors per cluster (1,2,4...128) */\r
	BYTE	n_fats;			/* Number of FAT copies (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
#if _MAX_SS != _MIN_SS\r
	WORD	ssize;			/* Bytes per sector (512, 1024, 2048 or 4096) */\r
#endif\r
#if _FS_REENTRANT\r
	_SYNC_t	sobj;			/* Identifier of sync object */\r
#endif\r
#if !_FS_READONLY\r
	DWORD	last_clust;		/* Last allocated cluster */\r
	DWORD	free_clust;		/* Number of free clusters */\r
#endif\r
#if _FS_RPATH\r
	DWORD	cdir;			/* Current directory start cluster (0:root) */\r
#endif\r
	DWORD	n_fatent;		/* Number of FAT entries, = number of clusters + 2 */\r
	DWORD	fsize;			/* Sectors per FAT */\r
	DWORD	volbase;		/* Volume start sector */\r
	DWORD	fatbase;		/* FAT start sector */\r
	DWORD	dirbase;		/* Root directory start sector (FAT32:Cluster#) */\r
	DWORD	database;		/* Data start 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
/* File object structure (FIL) */\r
\r
typedef struct {\r
	FATFS*	fs;				/* Pointer to the related file system object (**do not change order**) */\r
	WORD	id;				/* Owner file system mount ID (**do not change order**) */\r
	BYTE	flag;			/* Status flags */\r
	BYTE	err;			/* Abort flag (error code) */\r
	DWORD	fptr;			/* File read/write pointer (Zeroed on file open) */\r
	DWORD	fsize;			/* File size */\r
	DWORD	sclust;			/* File start cluster (0:no cluster chain, always 0 when fsize is 0) */\r
	DWORD	clust;			/* Current cluster of fpter (not valid when fprt is 0) */\r
	DWORD	dsect;			/* 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 file open) */\r
#endif\r
#if _FS_LOCK\r
	UINT	lockid;			/* File lock ID origin from 1 (index of file semaphore table Files[]) */\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
	FATFS*	fs;				/* Pointer to the owner file system object (**do not change order**) */\r
	WORD	id;				/* Owner file system mount ID (**do not change order**) */\r
	WORD	index;			/* Current read/write index number */\r
	DWORD	sclust;			/* Table start cluster (0:Root dir) */\r
	DWORD	clust;			/* Current cluster */\r
	DWORD	sect;			/* Current sector */\r
	BYTE*	dir;			/* Pointer to the current SFN entry in the win[] */\r
	BYTE*	fn;				/* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */\r
#if _FS_LOCK\r
	UINT	lockid;			/* File lock ID (index of file semaphore table Files[]) */\r
#endif\r
#if _USE_LFN\r
	WCHAR*	lfn;			/* Pointer to the LFN working buffer */\r
	WORD	lfn_idx;		/* Last matched LFN index number (0xFFFF:No LFN) */\r
#endif\r
} DIR;\r
\r
\r
\r
/* File status structure (FILINFO) */\r
\r
typedef struct {\r
	DWORD	fsize;			/* File size */\r
	WORD	fdate;			/* Last modified date */\r
	WORD	ftime;			/* Last modified time */\r
	BYTE	fattrib;		/* Attribute */\r
	TCHAR	fname[13];		/* Short file name (8.3 format) */\r
#if _USE_LFN\r
	TCHAR*	lfname;			/* Pointer to the LFN buffer */\r
	UINT 	lfsize;			/* Size of LFN buffer in TCHAR */\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 parameter error */\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_SHARE */\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 a file */\r
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw);	/* Write data to a file */\r
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf);	/* Forward data to the stream */\r
FRESULT f_lseek (FIL* fp, DWORD ofs);								/* Move file pointer of a file object */\r
FRESULT f_truncate (FIL* fp);										/* Truncate file */\r
FRESULT f_sync (FIL* fp);											/* Flush cached data of a 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_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 value, BYTE mask);			/* Change attribute of the file/dir */\r
FRESULT f_utime (const TCHAR* path, const FILINFO* fno);			/* Change times-tamp of the 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_mount (FATFS* fs, const TCHAR* path, BYTE opt);			/* Mount/Unmount a logical drive */\r
FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au);				/* Create a file system on the 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) (((fp)->fptr == (fp)->fsize) ? 1 : 0)\r
#define f_error(fp) ((fp)->err)\r
#define f_tell(fp) ((fp)->fptr)\r
#define f_size(fp) ((fp)->fsize)\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\r
DWORD get_fattime (void);\r
#endif\r
\r
/* Unicode support functions */\r
#if _USE_LFN							/* 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 control and file status flags (FIL.flag) */\r
\r
#define	FA_READ				0x01\r
#define	FA_OPEN_EXISTING	0x00\r
\r
#if !_FS_READONLY\r
#define	FA_WRITE			0x02\r
#define	FA_CREATE_NEW		0x04\r
#define	FA_CREATE_ALWAYS	0x08\r
#define	FA_OPEN_ALWAYS		0x10\r
#define FA__WRITTEN			0x20\r
#define FA__DIRTY			0x40\r
#endif\r
\r
\r
/* FAT sub type (FATFS.fs_type) */\r
\r
#define FS_FAT12	1\r
#define FS_FAT16	2\r
#define FS_FAT32	3\r
\r
\r
/* File attribute bits for directory entry */\r
\r
#define	AM_RDO	0x01	/* Read only */\r
#define	AM_HID	0x02	/* Hidden */\r
#define	AM_SYS	0x04	/* System */\r
#define	AM_VOL	0x08	/* Volume label */\r
#define AM_LFN	0x0F	/* LFN entry */\r
#define AM_DIR	0x10	/* Directory */\r
#define AM_ARC	0x20	/* Archive */\r
#define AM_MASK	0x3F	/* Mask of defined bits */\r
\r
\r
/* Fast seek feature */\r
#define CREATE_LINKMAP	0xFFFFFFFF\r
\r
\r
\r
/*--------------------------------*/\r
/* Multi-byte word access macros  */\r
\r
#if _WORD_ACCESS == 1	/* Enable word access to the FAT structure */\r
#define	LD_WORD(ptr)		(WORD)(*(WORD*)(BYTE*)(ptr))\r
#define	LD_DWORD(ptr)		(DWORD)(*(DWORD*)(BYTE*)(ptr))\r
#define	ST_WORD(ptr,val)	*(WORD*)(BYTE*)(ptr)=(WORD)(val)\r
#define	ST_DWORD(ptr,val)	*(DWORD*)(BYTE*)(ptr)=(DWORD)(val)\r
#else					/* Use byte-by-byte access to the FAT structure */\r
#define	LD_WORD(ptr)		(WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))\r
#define	LD_DWORD(ptr)		(DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))\r
#define	ST_WORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)\r
#define	ST_DWORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8); *((BYTE*)(ptr)+2)=(BYTE)((DWORD)(val)>>16); *((BYTE*)(ptr)+3)=(BYTE)((DWORD)(val)>>24)\r
#endif\r
\r
#ifdef __cplusplus\r
}\r
#endif\r
\r
#endif /* _FATFS */\r
Commit	Line	Data
53668523 L	1	/*---------------------------------------------------------------------------/\r
	2	/ FatFs - FAT file system module include file R0.10b (C)ChaN, 2014\r
	3	/----------------------------------------------------------------------------/\r
	4	/ FatFs module is a generic FAT file system module for small embedded systems.\r
	5	/ This is a free software that opened for education, research and commercial\r
	6	/ developments under license policy of following terms.\r
	7	/\r
	8	/ Copyright (C) 2014, ChaN, all right reserved.\r
	9	/\r
	10	/ * The FatFs module is a free software and there is NO WARRANTY.\r
	11	/ * No restriction on use. You can use, modify and redistribute it for\r
	12	/ personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.\r
	13	/ * Redistributions of source code must retain the above copyright notice.\r
	14	/\r
	15	/----------------------------------------------------------------------------*/\r
	16	\r
	17	#ifndef _FATFS\r
	18	#define _FATFS 8051 /* Revision ID */\r
	19	\r
	20	#ifdef __cplusplus\r
	21	extern "C" {\r
	22	#endif\r
	23	\r
	24	#include "integer.h" /* Basic integer types */\r
	25	#include "ffconf.h" /* FatFs configuration options */\r
	26	\r
	27	#if _FATFS != _FFCONF\r
	28	#error Wrong configuration file (ffconf.h).\r
	29	#endif\r
	30	\r
	31	\r
	32	\r
	33	/* Definitions of volume management */\r
	34	\r
	35	#if _MULTI_PARTITION /* Multiple partition configuration */\r
	36	typedef struct {\r
	37	BYTE pd; /* Physical drive number */\r
	38	BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */\r
	39	} PARTITION;\r
	40	extern PARTITION VolToPart[]; /* Volume - Partition resolution table */\r
	41	#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */\r
	42	#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */\r
	43	\r
	44	#else /* Single partition configuration */\r
	45	#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */\r
	46	#define LD2PT(vol) 0 /* Find first valid partition or in SFD */\r
	47	\r
	48	#endif\r
	49	\r
	50	\r
	51	\r
	52	/* Type of path name strings on FatFs API */\r
	53	\r
	54	#if _LFN_UNICODE /* Unicode string */\r
	55	#if !_USE_LFN\r
	56	#error _LFN_UNICODE must be 0 at non-LFN cfg.\r
	57	#endif\r
	58	#ifndef _INC_TCHAR\r
	59	typedef WCHAR TCHAR;\r
	60	#define _T(x) L ## x\r
	61	#define _TEXT(x) L ## x\r
	62	#endif\r
	63	\r
	64	#else /* ANSI/OEM string */\r
65	#ifndef _INC_TCHAR\r
66	typedef char TCHAR;\r
67	#define _T(x) x\r
68	#define _TEXT(x) x\r
69	#endif\r
70	\r
71	#endif\r
72	\r
73	\r
74	\r
75	/* File system object structure (FATFS) */\r
76	\r
77	typedef struct {\r
78	BYTE fs_type; /* FAT sub-type (0:Not mounted) */\r
79	BYTE drv; /* Physical drive number */\r
80	BYTE csize; /* Sectors per cluster (1,2,4...128) */\r
81	BYTE n_fats; /* Number of FAT copies (1 or 2) */\r
82	BYTE wflag; /* win[] flag (b0:dirty) */\r
83	BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */\r
84	WORD id; /* File system mount ID */\r
85	WORD n_rootdir; /* Number of root directory entries (FAT12/16) */\r
86	#if _MAX_SS != _MIN_SS\r
87	WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */\r
88	#endif\r
89	#if _FS_REENTRANT\r
90	_SYNC_t sobj; /* Identifier of sync object */\r
91	#endif\r
92	#if !_FS_READONLY\r
93	DWORD last_clust; /* Last allocated cluster */\r
94	DWORD free_clust; /* Number of free clusters */\r
95	#endif\r
96	#if _FS_RPATH\r
97	DWORD cdir; /* Current directory start cluster (0:root) */\r
98	#endif\r
99	DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */\r
100	DWORD fsize; /* Sectors per FAT */\r
101	DWORD volbase; /* Volume start sector */\r
102	DWORD fatbase; /* FAT start sector */\r
103	DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */\r
104	DWORD database; /* Data start sector */\r
105	DWORD winsect; /* Current sector appearing in the win[] */\r
106	BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */\r
107	} FATFS;\r
108	\r
109	\r
110	\r
111	/* File object structure (FIL) */\r
112	\r
113	typedef struct {\r
114	FATFS* fs; /* Pointer to the related file system object (do not change order) */\r
115	WORD id; /* Owner file system mount ID (do not change order) */\r
116	BYTE flag; /* Status flags */\r
117	BYTE err; /* Abort flag (error code) */\r
118	DWORD fptr; /* File read/write pointer (Zeroed on file open) */\r
119	DWORD fsize; /* File size */\r
120	DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */\r
121	DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */\r
122	DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */\r
123	#if !_FS_READONLY\r
124	DWORD dir_sect; /* Sector number containing the directory entry */\r
125	BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */\r
126	#endif\r
127	#if _USE_FASTSEEK\r
128	DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */\r
129	#endif\r
130	#if _FS_LOCK\r
131	UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */\r
132	#endif\r
133	#if !_FS_TINY\r
134	BYTE buf[_MAX_SS]; /* File private data read/write window */\r
135	#endif\r
136	} FIL;\r
137	\r
138	\r
139	\r
140	/* Directory object structure (DIR) */\r
141	\r
142	typedef struct {\r
143	FATFS* fs; /* Pointer to the owner file system object (do not change order) */\r
144	WORD id; /* Owner file system mount ID (do not change order) */\r
145	WORD index; /* Current read/write index number */\r
146	DWORD sclust; /* Table start cluster (0:Root dir) */\r
147	DWORD clust; /* Current cluster */\r
148	DWORD sect; /* Current sector */\r
149	BYTE* dir; /* Pointer to the current SFN entry in the win[] */\r
150	BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */\r
151	#if _FS_LOCK\r
152	UINT lockid; /* File lock ID (index of file semaphore table Files[]) */\r
153	#endif\r
154	#if _USE_LFN\r
155	WCHAR* lfn; /* Pointer to the LFN working buffer */\r
156	WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */\r
157	#endif\r
158	} DIR;\r
159	\r
160	\r
161	\r
162	/* File status structure (FILINFO) */\r
163	\r
164	typedef struct {\r
165	DWORD fsize; /* File size */\r
166	WORD fdate; /* Last modified date */\r
167	WORD ftime; /* Last modified time */\r
168	BYTE fattrib; /* Attribute */\r
169	TCHAR fname[13]; /* Short file name (8.3 format) */\r
170	#if _USE_LFN\r
171	TCHAR* lfname; /* Pointer to the LFN buffer */\r
172	UINT lfsize; /* Size of LFN buffer in TCHAR */\r
173	#endif\r
174	} FILINFO;\r
175	\r
176	\r
177	\r
178	/* File function return code (FRESULT) */\r
179	\r
180	typedef enum {\r
181	FR_OK = 0, /* (0) Succeeded */\r
182	FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */\r
183	FR_INT_ERR, /* (2) Assertion failed */\r
184	FR_NOT_READY, /* (3) The physical drive cannot work */\r
185	FR_NO_FILE, /* (4) Could not find the file */\r
186	FR_NO_PATH, /* (5) Could not find the path */\r
187	FR_INVALID_NAME, /* (6) The path name format is invalid */\r
188	FR_DENIED, /* (7) Access denied due to prohibited access or directory full */\r
189	FR_EXIST, /* (8) Access denied due to prohibited access */\r
190	FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */\r
191	FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */\r
192	FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */\r
193	FR_NOT_ENABLED, /* (12) The volume has no work area */\r
194	FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */\r
195	FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */\r
196	FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */\r
197	FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */\r
198	FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */\r
199	FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */\r
200	FR_INVALID_PARAMETER /* (19) Given parameter is invalid */\r
201	} FRESULT;\r
202	\r
203	\r
204	\r
205	/--------------------------------------------------------------/\r
206	/* FatFs module application interface */\r
207	\r
208	FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */\r
209	FRESULT f_close (FIL* fp); /* Close an open file object */\r
210	FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */\r
211	FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */\r
212	FRESULT f_forward (FIL* fp, UINT(func)(const BYTE,UINT), UINT btf, UINT* bf); /* Forward data to the stream */\r
213	FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */\r
214	FRESULT f_truncate (FIL* fp); /* Truncate file */\r
215	FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */\r
216	FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */\r
217	FRESULT f_closedir (DIR* dp); /* Close an open directory */\r
218	FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */\r
219	FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */\r
220	FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */\r
221	FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */\r
222	FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */\r
223	FRESULT f_chmod (const TCHAR* path, BYTE value, BYTE mask); /* Change attribute of the file/dir */\r
224	FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */\r
225	FRESULT f_chdir (const TCHAR* path); /* Change current directory */\r
226	FRESULT f_chdrive (const TCHAR* path); /* Change current drive */\r
227	FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */\r
228	FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */\r
229	FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */\r
230	FRESULT f_setlabel (const TCHAR* label); /* Set volume label */\r
231	FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */\r
232	FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */\r
233	FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */\r
234	int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */\r
235	int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */\r
236	int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */\r
237	TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */\r
238	\r
239	#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)\r
240	#define f_error(fp) ((fp)->err)\r
241	#define f_tell(fp) ((fp)->fptr)\r
242	#define f_size(fp) ((fp)->fsize)\r
243	\r
244	#ifndef EOF\r
245	#define EOF (-1)\r
246	#endif\r
247	\r
248	\r
249	\r
250	\r
251	/--------------------------------------------------------------/\r
252	/* Additional user defined functions */\r
253	\r
254	/* RTC function */\r
255	#if !_FS_READONLY\r
256	DWORD get_fattime (void);\r
257	#endif\r
258	\r
259	/* Unicode support functions */\r
260	#if _USE_LFN /* Unicode - OEM code conversion */\r
261	WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */\r
262	WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */\r
263	#if _USE_LFN == 3 /* Memory functions */\r
264	void* ff_memalloc (UINT msize); /* Allocate memory block */\r
265	void ff_memfree (void* mblock); /* Free memory block */\r
266	#endif\r
267	#endif\r
268	\r
269	/* Sync functions */\r
270	#if _FS_REENTRANT\r
271	int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */\r
272	int ff_req_grant (_SYNC_t sobj); /* Lock sync object */\r
273	void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */\r
274	int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */\r
275	#endif\r
276	\r
277	\r
278	\r
279	\r
280	/--------------------------------------------------------------/\r
281	/* Flags and offset address */\r
282	\r
283	\r
284	/* File access control and file status flags (FIL.flag) */\r
285	\r
286	#define FA_READ 0x01\r
287	#define FA_OPEN_EXISTING 0x00\r
288	\r
289	#if !_FS_READONLY\r
290	#define FA_WRITE 0x02\r
291	#define FA_CREATE_NEW 0x04\r
292	#define FA_CREATE_ALWAYS 0x08\r
293	#define FA_OPEN_ALWAYS 0x10\r
294	#define FA__WRITTEN 0x20\r
295	#define FA__DIRTY 0x40\r
296	#endif\r
297	\r
298	\r
299	/* FAT sub type (FATFS.fs_type) */\r
300	\r
301	#define FS_FAT12 1\r
302	#define FS_FAT16 2\r
303	#define FS_FAT32 3\r
304	\r
305	\r
306	/* File attribute bits for directory entry */\r
307	\r
308	#define AM_RDO 0x01 /* Read only */\r
309	#define AM_HID 0x02 /* Hidden */\r
310	#define AM_SYS 0x04 /* System */\r
311	#define AM_VOL 0x08 /* Volume label */\r
312	#define AM_LFN 0x0F /* LFN entry */\r
313	#define AM_DIR 0x10 /* Directory */\r
314	#define AM_ARC 0x20 /* Archive */\r
315	#define AM_MASK 0x3F /* Mask of defined bits */\r
316	\r
317	\r
318	/* Fast seek feature */\r
319	#define CREATE_LINKMAP 0xFFFFFFFF\r
320	\r
321	\r
322	\r
323	/--------------------------------/\r
324	/* Multi-byte word access macros */\r
325	\r
326	#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */\r
327	#define LD_WORD(ptr) (WORD)((WORD)(BYTE*)(ptr))\r
328	#define LD_DWORD(ptr) (DWORD)((DWORD)(BYTE*)(ptr))\r
329	#define ST_WORD(ptr,val) (WORD)(BYTE*)(ptr)=(WORD)(val)\r
330	#define ST_DWORD(ptr,val) (DWORD)(BYTE*)(ptr)=(DWORD)(val)\r
331	#else /* Use byte-by-byte access to the FAT structure */\r
332	#define LD_WORD(ptr) (WORD)(((WORD)((BYTE)(ptr)+1)<<8)\|(WORD)(BYTE)(ptr))\r
333	#define LD_DWORD(ptr) (DWORD)(((DWORD)((BYTE)(ptr)+3)<<24)\|((DWORD)((BYTE)(ptr)+2)<<16)\|((WORD)((BYTE)(ptr)+1)<<8)\|(BYTE)(ptr))\r
334	#define ST_WORD(ptr,val) (BYTE)(ptr)=(BYTE)(val); ((BYTE)(ptr)+1)=(BYTE)((WORD)(val)>>8)\r
335	#define ST_DWORD(ptr,val) (BYTE)(ptr)=(BYTE)(val); ((BYTE)(ptr)+1)=(BYTE)((WORD)(val)>>8); ((BYTE)(ptr)+2)=(BYTE)((DWORD)(val)>>16); ((BYTE)(ptr)+3)=(BYTE)((DWORD)(val)>>24)\r
336	#endif\r
337	\r
338	#ifdef __cplusplus\r
339	}\r
340	#endif\r
341	\r
342	#endif /* _FATFS */\r