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+/*---------------------------------------------------------------------------/
+/ FatFs - FAT file system module include file R0.09a (C)ChaN, 2012
+/----------------------------------------------------------------------------/
+/ 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
+/ developments under license policy of following terms.
+/
+/ Copyright (C) 2012, ChaN, all right reserved.
+/
+/ * The FatFs module is a free software and there is NO WARRANTY.
+/ * 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 4004 /* Revision ID */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "integer.h" /* Basic integer types */
+#include "ffconf.h" /* FatFs configuration options */
+
+#if _FATFS != _FFCONF
+#error Wrong configuration file (ffconf.h).
+#endif
+
+
+
+/* Definitions of volume management */
+
+#if _MULTI_PARTITION /* Multiple partition configuration */
+typedef struct {
+ BYTE pd; /* Physical drive number */
+ BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
+} PARTITION;
+extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
+#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
+#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
+
+#else /* Single partition configuration */
+#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
+#define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */
+
+#endif
+
+
+
+/* Type of path name strings on FatFs API */
+
+#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 /* ANSI/OEM string */
+#ifndef _INC_TCHAR
+typedef char TCHAR;
+#define _T(x) x
+#define _TEXT(x) x
+#endif
+
+#endif
+
+
+
+/* File system object structure (FATFS) */
+
+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 ssize; /* Bytes per sector (512, 1024, 2048 or 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 (FAT32) */
+#endif
+#if _FS_RPATH
+ 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) */
+} FATFS;
+
+
+
+/* File object structure (FIL) */
+
+typedef struct {
+ FATFS* fs; /* Pointer to the related file system object */
+ WORD id; /* File system mount ID of the related file system object */
+ BYTE flag; /* File status flags */
+ BYTE pad1;
+ DWORD fptr; /* File read/write pointer (0ed on file open) */
+ DWORD fsize; /* File size */
+ DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
+ DWORD clust; /* Current cluster of fpter */
+ DWORD dsect; /* Current data sector of fpter */
+#if !_FS_READONLY
+ DWORD dir_sect; /* Sector containing the directory entry */
+ BYTE* dir_ptr; /* Pointer to the directory entry in the window */
+#endif
+#if _USE_FASTSEEK
+ DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */
+#endif
+#if _FS_LOCK
+ UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
+#endif
+#if !_FS_TINY
+ BYTE buf[_MAX_SS]; /* File data read/write buffer */
+#endif
+} FIL;
+
+
+
+/* Directory object structure (DIR) */
+
+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
+} DIR;
+
+
+
+/* File status structure (FILINFO) */
+
+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
+ TCHAR* lfname; /* Pointer to the LFN buffer */
+ UINT lfsize; /* Size of LFN buffer in TCHAR */
+#endif
+} FILINFO;
+
+
+
+/* File function return code (FRESULT) */
+
+typedef enum {
+ FR_OK = 0, /* (0) Succeeded */
+ FR_DISK_ERR, /* (1) A hard error occurred 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) Access denied due to prohibited access or directory full */
+ FR_EXIST, /* (8) Access 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 */
+ 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 sharing 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 */
+ FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
+} FRESULT;
+
+
+
+/*--------------------------------------------------------------*/
+/* FatFs module application interface */
+
+FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
+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_lseek (FIL*, DWORD); /* Move file pointer of a file object */
+FRESULT f_close (FIL*); /* Close an open file object */
+FRESULT f_opendir (DIR*, const TCHAR*); /* Open an existing directory */
+FRESULT f_readdir (DIR*, FILINFO*); /* Read a directory item */
+FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */
+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 TCHAR*); /* Delete an existing file or directory */
+FRESULT f_mkdir (const TCHAR*); /* Create a new directory */
+FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attribute of the file/dir */
+FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change times-tamp of the file/dir */
+FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */
+FRESULT f_chdrive (BYTE); /* Change current drive */
+FRESULT f_chdir (const TCHAR*); /* Change current directory */
+FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */
+FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
+FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */
+FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */
+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)
+#define f_tell(fp) ((fp)->fptr)
+#define f_size(fp) ((fp)->fsize)
+
+#ifndef EOF
+#define EOF (-1)
+#endif
+
+
+
+
+/*--------------------------------------------------------------*/
+/* Additional user defined functions */
+
+/* RTC function */
+#if !_FS_READONLY
+DWORD get_fattime (void);
+#endif
+
+/* 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
+int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
+int ff_req_grant (_SYNC_t); /* Lock sync object */
+void ff_rel_grant (_SYNC_t); /* Unlock sync object */
+int ff_del_syncobj (_SYNC_t); /* Delete a sync object */
+#endif
+
+
+
+
+/*--------------------------------------------------------------*/
+/* Flags and offset address */
+
+
+/* File access control and file status flags (FIL.flag) */
+
+#define FA_READ 0x01
+#define FA_OPEN_EXISTING 0x00
+#define FA__ERROR 0x80
+
+#if !_FS_READONLY
+#define FA_WRITE 0x02
+#define FA_CREATE_NEW 0x04
+#define FA_CREATE_ALWAYS 0x08
+#define FA_OPEN_ALWAYS 0x10
+#define FA__WRITTEN 0x20
+#define FA__DIRTY 0x40
+#endif
+
+
+/* FAT sub type (FATFS.fs_type) */
+
+#define FS_FAT12 1
+#define FS_FAT16 2
+#define FS_FAT32 3
+
+
+/* File attribute bits for directory entry */
+
+#define AM_RDO 0x01 /* Read only */
+#define AM_HID 0x02 /* Hidden */
+#define AM_SYS 0x04 /* System */
+#define AM_VOL 0x08 /* Volume label */
+#define AM_LFN 0x0F /* LFN entry */
+#define AM_DIR 0x10 /* Directory */
+#define AM_ARC 0x20 /* Archive */
+#define AM_MASK 0x3F /* Mask of defined bits */
+
+
+/* Fast seek feature */
+#define CREATE_LINKMAP 0xFFFFFFFF
+
+
+
+/*--------------------------------*/
+/* Multi-byte word access macros */
+
+#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
+#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
+#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
+#else /* Use byte-by-byte access to the FAT structure */
+#define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
+#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 */