/*---------------------------------------------------------------------------/
-/ FatFs - FAT file system module include file R0.07e (C)ChaN, 2010
+/ FatFs - FAT file system module include file R0.08 (C)ChaN, 2010
/----------------------------------------------------------------------------/
/ FatFs module is a generic FAT file system module for small embedded systems.
/ This is a free software that opened for education, research and commercial
/ * No restriction on use. You can use, modify and redistribute it for
/ personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
/ * Redistributions of source code must retain the above copyright notice.
+/
/----------------------------------------------------------------------------*/
#ifndef _FATFS
-#define _FATFS 0x007E
+#define _FATFS 8085 /* Revision ID */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
#include "integer.h" /* Basic integer types */
#include "ffconf.h" /* FatFs configuration options */
-#if _FATFS != _FFCONFIG
+#if _FATFS != _FFCONF
#error Wrong configuration file (ffconf.h).
#endif
-/* Character code support macros */
-
-#define IsUpper(c) (((c)>='A')&&((c)<='Z'))
-#define IsLower(c) (((c)>='a')&&((c)<='z'))
-
-#if _DF1S /* DBCS configuration */
-
-#ifdef _DF2S /* Two 1st byte areas */
-#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
-#else /* One 1st byte area */
-#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
-#endif
-
-#ifdef _DS3S /* Three 2nd byte areas */
-#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
-#else /* Two 2nd byte areas */
-#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
-#endif
-
-#else /* SBCS configuration */
-
-#define IsDBCS1(c) 0
-#define IsDBCS2(c) 0
-
-#endif /* _DF1S */
-
-
-
-/* Definitions corresponds to multi partition */
+/* Definitions corresponds to volume management */
#if _MULTI_PARTITION /* Multiple partition configuration */
-
-typedef struct _PARTITION {
+#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
+#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
+typedef struct {
BYTE pd; /* Physical drive# */
BYTE pt; /* Partition # (0-3) */
} PARTITION;
-
-extern
-const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
-#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
-#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
+extern const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
#else /* Single partition configuration */
-
#define LD2PD(drv) (drv) /* Physical drive# is equal to the logical drive# */
#define LD2PT(drv) 0 /* Always mounts the 1st partition */
-/* Definitions corresponds to multiple sector size */
+/* Type of path name strings on FatFs API */
-#if _MAX_SS == 512 /* Single sector size */
-#define SS(fs) 512U
-
-#elif _MAX_SS == 1024 || _MAX_SS == 2048 || _MAX_SS == 4096 /* Multiple sector size */
-#define SS(fs) ((fs)->s_size)
+#if _LFN_UNICODE /* Unicode string */
+#if !_USE_LFN
+#error _LFN_UNICODE must be 0 in non-LFN cfg.
+#endif
+#ifndef _INC_TCHAR
+typedef WCHAR TCHAR;
+#define _T(x) L ## x
+#define _TEXT(x) L ## x
+#endif
-#else
-#error Sector size must be 512, 1024, 2048 or 4096.
+#else /* ANSI/OEM string */
+#ifndef _INC_TCHAR
+typedef char TCHAR;
+#define _T(x) x
+#define _TEXT(x) x
+#endif
#endif
-/* Type of file name on FatFs API */
+/* Definitions corresponds to file shareing feature */
-#if _LFN_UNICODE && _USE_LFN
-typedef WCHAR XCHAR; /* Unicode */
-#else
-typedef char XCHAR; /* SBCS, DBCS */
+#if _FS_SHARE
+#if _FS_READONLY
+#error _FS_SHARE must be 0 on R/O cfg.
+#endif
+typedef struct {
+ DWORD clu; /* File ID 1, directory */
+ WORD idx; /* File ID 2, index in the directory */
+ WORD ctr; /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:in write open */
+} FILESEM;
#endif
-/* File system object structure */
+/* File system object structure (FATFS) */
-typedef struct _FATFS_ {
- BYTE fs_type; /* FAT sub type */
- BYTE drive; /* Physical drive number */
- BYTE csize; /* Number of sectors per cluster */
- BYTE n_fats; /* Number of FAT copies */
- BYTE wflag; /* win[] dirty flag (1:must be written back) */
- BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
- WORD id; /* File system mount ID */
- WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
-#if _FS_REENTRANT
- _SYNC_t sobj; /* Identifier of sync object */
-#endif
+typedef struct {
+ BYTE fs_type; /* FAT sub-type (0:Not mounted) */
+ BYTE drv; /* Physical drive number */
+ BYTE csize; /* Sectors per cluster (1,2,4...128) */
+ BYTE n_fats; /* Number of FAT copies (1,2) */
+ BYTE wflag; /* win[] dirty flag (1:must be written back) */
+ BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
+ WORD id; /* File system mount ID */
+ WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
#if _MAX_SS != 512
- WORD s_size; /* Sector size */
+ WORD ssize; /* Bytes per sector (512,1024,2048,4096) */
+#endif
+#if _FS_REENTRANT
+ _SYNC_t sobj; /* Identifier of sync object */
#endif
#if !_FS_READONLY
- DWORD last_clust; /* Last allocated cluster */
- DWORD free_clust; /* Number of free clusters */
- DWORD fsi_sector; /* fsinfo sector */
+ DWORD last_clust; /* Last allocated cluster */
+ DWORD free_clust; /* Number of free clusters */
+ DWORD fsi_sector; /* fsinfo sector (FAT32) */
#endif
#if _FS_RPATH
- DWORD cdir; /* Current directory (0:root)*/
-#endif
- DWORD sects_fat; /* Sectors per fat */
- DWORD max_clust; /* Maximum cluster# + 1. Number of clusters is max_clust - 2 */
- DWORD fatbase; /* FAT start sector */
- DWORD dirbase; /* Root directory start sector (Cluster# on FAT32) */
- DWORD database; /* Data start sector */
- DWORD winsect; /* Current sector appearing in the win[] */
- BYTE win[_MAX_SS];/* Disk access window for Directory/FAT */
+ DWORD cdir; /* Current directory start cluster (0:root) */
+#endif
+ DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */
+ DWORD fsize; /* Sectors per FAT */
+ DWORD fatbase; /* FAT start sector */
+ DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
+ DWORD database; /* Data start sector */
+ DWORD winsect; /* Current sector appearing in the win[] */
+ BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */
+#if _FS_SHARE
+ FILESEM flsem[_FS_SHARE]; /* File lock semaphores */
+#endif
} FATFS;
-/* Directory object structure */
+/* File object structure (FIL) */
-typedef struct _DIR_ {
- FATFS* fs; /* Pointer to the owner file system object */
- WORD id; /* Owner file system mount ID */
- WORD index; /* Current read/write index number */
- DWORD sclust; /* Table start cluster (0:Static table) */
- DWORD clust; /* Current cluster */
- DWORD sect; /* Current sector */
- BYTE* dir; /* Pointer to the current SFN entry in the win[] */
- BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
-#if _USE_LFN
- WCHAR* lfn; /* Pointer to the LFN working buffer */
- WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
+typedef struct {
+ FATFS* fs; /* Pointer to the owner file system object */
+ WORD id; /* Owner file system mount ID */
+ BYTE flag; /* File status flags */
+ BYTE pad1;
+ DWORD fptr; /* File read/write pointer */
+ DWORD fsize; /* File size */
+ DWORD org_clust; /* File start cluster (0 when fsize==0) */
+ DWORD curr_clust; /* Current cluster */
+ DWORD dsect; /* Current data sector */
+#if !_FS_READONLY
+ DWORD dir_sect; /* Sector containing the directory entry */
+ BYTE* dir_ptr; /* Ponter to the directory entry in the window */
#endif
-} DIR;
+#if _USE_FASTSEEK
+ DWORD* cltbl; /* Pointer to the cluster link map table */
+#endif
+#if _FS_SHARE
+ UINT lockid; /* File lock ID */
+#endif
+#if !_FS_TINY
+ BYTE buf[_MAX_SS]; /* File data read/write buffer */
+#endif
+} FIL;
-/* File object structure */
+/* Directory object structure (DIR) */
-typedef struct _FIL_ {
- FATFS* fs; /* Pointer to the owner file system object */
- WORD id; /* Owner file system mount ID */
- BYTE flag; /* File status flags */
- BYTE csect; /* Sector address in the cluster */
- DWORD fptr; /* File R/W pointer */
- DWORD fsize; /* File size */
- DWORD org_clust; /* File start cluster */
- DWORD curr_clust; /* Current cluster */
- DWORD dsect; /* Current data sector */
-#if !_FS_READONLY
- DWORD dir_sect; /* Sector containing the directory entry */
- BYTE* dir_ptr; /* Ponter to the directory entry in the window */
-#endif
-#if !_FS_TINY
- BYTE buf[_MAX_SS];/* File R/W buffer */
+typedef struct {
+ FATFS* fs; /* Pointer to the owner file system object */
+ WORD id; /* Owner file system mount ID */
+ WORD index; /* Current read/write index number */
+ DWORD sclust; /* Table start cluster (0:Root dir) */
+ DWORD clust; /* Current cluster */
+ DWORD sect; /* Current sector */
+ BYTE* dir; /* Pointer to the current SFN entry in the win[] */
+ BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
+#if _USE_LFN
+ WCHAR* lfn; /* Pointer to the LFN working buffer */
+ WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
#endif
-} FIL;
+} DIR;
-/* File status structure */
+/* File status structure (FILINFO) */
-typedef struct _FILINFO_ {
- DWORD fsize; /* File size */
- WORD fdate; /* Last modified date */
- WORD ftime; /* Last modified time */
- BYTE fattrib; /* Attribute */
- char fname[13]; /* Short file name (8.3 format) */
+typedef struct {
+ DWORD fsize; /* File size */
+ WORD fdate; /* Last modified date */
+ WORD ftime; /* Last modified time */
+ BYTE fattrib; /* Attribute */
+ TCHAR fname[13]; /* Short file name (8.3 format) */
#if _USE_LFN
- XCHAR* lfname; /* Pointer to the LFN buffer */
- int lfsize; /* Size of LFN buffer [chrs] */
+ TCHAR* lfname; /* Pointer to the LFN buffer */
+ int lfsize; /* Size of LFN buffer [chrs] */
#endif
} FILINFO;
/* File function return code (FRESULT) */
typedef enum {
- FR_OK = 0, /* 0 */
- FR_DISK_ERR, /* 1 */
- FR_INT_ERR, /* 2 */
- FR_NOT_READY, /* 3 */
- FR_NO_FILE, /* 4 */
- FR_NO_PATH, /* 5 */
- FR_INVALID_NAME, /* 6 */
- FR_DENIED, /* 7 */
- FR_EXIST, /* 8 */
- FR_INVALID_OBJECT, /* 9 */
- FR_WRITE_PROTECTED, /* 10 */
- FR_INVALID_DRIVE, /* 11 */
- FR_NOT_ENABLED, /* 12 */
- FR_NO_FILESYSTEM, /* 13 */
- FR_MKFS_ABORTED, /* 14 */
- FR_TIMEOUT /* 15 */
+ FR_OK = 0, /* (0) Succeeded */
+ FR_DISK_ERR, /* (1) A hard error occured in the low level disk I/O layer */
+ FR_INT_ERR, /* (2) Assertion failed */
+ FR_NOT_READY, /* (3) The physical drive cannot work */
+ FR_NO_FILE, /* (4) Could not find the file */
+ FR_NO_PATH, /* (5) Could not find the path */
+ FR_INVALID_NAME, /* (6) The path name format is invalid */
+ FR_DENIED, /* (7) Acces denied due to prohibited access or directory full */
+ FR_EXIST, /* (8) Acces denied due to prohibited access */
+ FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
+ FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
+ FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
+ FR_NOT_ENABLED, /* (12) The volume has no work area */
+ FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume on the physical drive */
+ FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
+ FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
+ FR_LOCKED, /* (16) The operation is rejected according to the file shareing policy */
+ FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
+ FR_TOO_MANY_OPEN_FILES /* (18) Number of open files > _FS_SHARE */
} FRESULT;
/* FatFs module application interface */
FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
-FRESULT f_open (FIL*, const XCHAR*, BYTE); /* Open or create a file */
+FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */
FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
-FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
FRESULT f_close (FIL*); /* Close an open file object */
-FRESULT f_opendir (DIR*, const XCHAR*); /* Open an existing directory */
+FRESULT f_opendir (DIR*, const TCHAR*); /* Open an existing directory */
FRESULT f_readdir (DIR*, FILINFO*); /* Read a directory item */
-FRESULT f_stat (const XCHAR*, FILINFO*); /* Get file status */
-FRESULT f_getfree (const XCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
+FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */
+#if !_FS_READONLY
+FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
+FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
FRESULT f_truncate (FIL*); /* Truncate file */
FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
-FRESULT f_unlink (const XCHAR*); /* Delete an existing file or directory */
-FRESULT f_mkdir (const XCHAR*); /* Create a new directory */
-FRESULT f_chmod (const XCHAR*, BYTE, BYTE); /* Change attriburte of the file/dir */
-FRESULT f_utime (const XCHAR*, const FILINFO*); /* Change timestamp of the file/dir */
-FRESULT f_rename (const XCHAR*, const XCHAR*); /* Rename/Move a file or directory */
+FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */
+FRESULT f_mkdir (const TCHAR*); /* Create a new directory */
+FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attriburte of the file/dir */
+FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change timestamp of the file/dir */
+FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */
+#endif
+#if _USE_FORWARD
FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
-FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
-FRESULT f_chdir (const XCHAR*); /* Change current directory */
+#endif
+#if _USE_MKFS
+FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */
+#endif
+#if _FS_RPATH
+FRESULT f_chdir (const TCHAR*); /* Change current directory */
FRESULT f_chdrive (BYTE); /* Change current drive */
-
+#endif
#if _USE_STRFUNC
-int f_putc (int, FIL*); /* Put a character to the file */
-int f_puts (const char*, FIL*); /* Put a string to the file */
-int f_printf (FIL*, const char*, ...); /* Put a formatted string to the file */
-char* f_gets (char*, int, FIL*); /* Get a string from the file */
+int f_putc (TCHAR, FIL*); /* Put a character to the file */
+int f_puts (const TCHAR*, FIL*); /* Put a string to the file */
+int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */
+TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */
#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
#ifndef EOF
-#define EOF -1
+#define EOF (-1)
#endif
#endif
/*--------------------------------------------------------------*/
-/* User defined functions */
+/* Additional user defined functions */
-/* Real time clock */
+/* RTC function */
#if !_FS_READONLY
-DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
- /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
+DWORD get_fattime (void);
#endif
-/* Unicode - OEM code conversion */
-#if _USE_LFN
-WCHAR ff_convert (WCHAR, UINT);
-WCHAR ff_wtoupper (WCHAR);
+/* Unicode support functions */
+#if _USE_LFN /* Unicode - OEM code conversion */
+WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */
+WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */
+#if _USE_LFN == 3 /* Memory functions */
+void* ff_memalloc (UINT); /* Allocate memory block */
+void ff_memfree (void*); /* Free memory block */
+#endif
#endif
/* Sync functions */
#if _FS_REENTRANT
-BOOL ff_cre_syncobj(BYTE, _SYNC_t*);
-BOOL ff_del_syncobj(_SYNC_t);
-BOOL ff_req_grant(_SYNC_t);
-void ff_rel_grant(_SYNC_t);
+int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
+int ff_del_syncobj (_SYNC_t); /* Delete a sync object */
+int ff_req_grant (_SYNC_t); /* Lock sync object */
+void ff_rel_grant (_SYNC_t); /* Unlock sync object */
#endif
+
/*--------------------------------------------------------------*/
/* Flags and offset address */
#define FA_READ 0x01
#define FA_OPEN_EXISTING 0x00
-#if _FS_READONLY == 0
+#define FA__ERROR 0x80
+
+#if !_FS_READONLY
#define FA_WRITE 0x02
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA__WRITTEN 0x20
#define FA__DIRTY 0x40
#endif
-#define FA__ERROR 0x80
/* FAT sub type (FATFS.fs_type) */
#define AM_MASK 0x3F /* Mask of defined bits */
-/* FatFs refers the members in the FAT structures with byte offset instead
-/ of structure member because there are incompatibility of the packing option
+/* Fast seek function */
+#define CREATE_LINKMAP 0xFFFFFFFF
+
+
+/* FatFs refers the members in the FAT structures with byte offset instead of
+/ structure member because there are incompatibility of the packing option
/ between various compilers. */
#define BS_jmpBoot 0
#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)
#endif
+#ifdef __cplusplus
+}
+#endif
#endif /* _FATFS */
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