S K UCI / FATFileSystemWithFilinfo

Fork of FATFileSystem that exposes FILINFO in the FATDirHandle. This allows obtaining true file sizes and testing whether a dir pointer is a directory or a file.

Dependents:   SDFileSystemNoStall

Fork of FATFileSystem by mbed official

ChaN/ff.h@6:7a3c53d25d96, 2014-10-30 (annotated)

Committer:
uci1
Date:
Thu Oct 30 07:01:15 2014 +0000
Revision:
6:7a3c53d25d96
Parent:
1:46ce1e16c870 
Revert the fat file system back to that from 17 Mar 2014 so that it works with the SD card library, and add again the exposing of FILINFO to FATDirHandle

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 1:46ce1e16c870 1 /*---------------------------------------------------------------------------/
emilmont 1:46ce1e16c870 2 / FatFs - FAT file system module include file R0.09a (C)ChaN, 2012
emilmont 1:46ce1e16c870 3 /----------------------------------------------------------------------------/
emilmont 1:46ce1e16c870 4 / FatFs module is a generic FAT file system module for small embedded systems.
emilmont 1:46ce1e16c870 5 / This is a free software that opened for education, research and commercial
emilmont 1:46ce1e16c870 6 / developments under license policy of following terms.
emilmont 1:46ce1e16c870 7 /
emilmont 1:46ce1e16c870 8 / Copyright (C) 2012, ChaN, all right reserved.
emilmont 1:46ce1e16c870 9 /
emilmont 1:46ce1e16c870 10 / * The FatFs module is a free software and there is NO WARRANTY.
emilmont 1:46ce1e16c870 11 / * No restriction on use. You can use, modify and redistribute it for
emilmont 1:46ce1e16c870 12 / personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
emilmont 1:46ce1e16c870 13 / * Redistributions of source code must retain the above copyright notice.
emilmont 1:46ce1e16c870 14 /
emilmont 1:46ce1e16c870 15 /----------------------------------------------------------------------------*/
emilmont 1:46ce1e16c870 16
emilmont 1:46ce1e16c870 17 #ifndef _FATFS
emilmont 1:46ce1e16c870 18 #define _FATFS 4004 /* Revision ID */
emilmont 1:46ce1e16c870 19
emilmont 1:46ce1e16c870 20 #ifdef __cplusplus
emilmont 1:46ce1e16c870 21 extern "C" {
emilmont 1:46ce1e16c870 22 #endif
emilmont 1:46ce1e16c870 23
emilmont 1:46ce1e16c870 24 #include "integer.h" /* Basic integer types */
emilmont 1:46ce1e16c870 25 #include "ffconf.h" /* FatFs configuration options */
emilmont 1:46ce1e16c870 26
emilmont 1:46ce1e16c870 27 #if _FATFS != _FFCONF
emilmont 1:46ce1e16c870 28 #error Wrong configuration file (ffconf.h).
emilmont 1:46ce1e16c870 29 #endif
emilmont 1:46ce1e16c870 30
emilmont 1:46ce1e16c870 31
emilmont 1:46ce1e16c870 32
emilmont 1:46ce1e16c870 33 /* Definitions of volume management */
emilmont 1:46ce1e16c870 34
emilmont 1:46ce1e16c870 35 #if _MULTI_PARTITION /* Multiple partition configuration */
emilmont 1:46ce1e16c870 36 typedef struct {
emilmont 1:46ce1e16c870 37 BYTE pd; /* Physical drive number */
emilmont 1:46ce1e16c870 38 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
emilmont 1:46ce1e16c870 39 } PARTITION;
emilmont 1:46ce1e16c870 40 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
emilmont 1:46ce1e16c870 41 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
emilmont 1:46ce1e16c870 42 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
emilmont 1:46ce1e16c870 43
emilmont 1:46ce1e16c870 44 #else /* Single partition configuration */
emilmont 1:46ce1e16c870 45 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
emilmont 1:46ce1e16c870 46 #define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */
emilmont 1:46ce1e16c870 47
emilmont 1:46ce1e16c870 48 #endif
emilmont 1:46ce1e16c870 49
emilmont 1:46ce1e16c870 50
emilmont 1:46ce1e16c870 51
emilmont 1:46ce1e16c870 52 /* Type of path name strings on FatFs API */
emilmont 1:46ce1e16c870 53
emilmont 1:46ce1e16c870 54 #if _LFN_UNICODE /* Unicode string */
emilmont 1:46ce1e16c870 55 #if !_USE_LFN
emilmont 1:46ce1e16c870 56 #error _LFN_UNICODE must be 0 in non-LFN cfg.
emilmont 1:46ce1e16c870 57 #endif
emilmont 1:46ce1e16c870 58 #ifndef _INC_TCHAR
emilmont 1:46ce1e16c870 59 typedef WCHAR TCHAR;
emilmont 1:46ce1e16c870 60 #define _T(x) L ## x
emilmont 1:46ce1e16c870 61 #define _TEXT(x) L ## x
emilmont 1:46ce1e16c870 62 #endif
emilmont 1:46ce1e16c870 63
emilmont 1:46ce1e16c870 64 #else /* ANSI/OEM string */
emilmont 1:46ce1e16c870 65 #ifndef _INC_TCHAR
emilmont 1:46ce1e16c870 66 typedef char TCHAR;
emilmont 1:46ce1e16c870 67 #define _T(x) x
emilmont 1:46ce1e16c870 68 #define _TEXT(x) x
emilmont 1:46ce1e16c870 69 #endif
emilmont 1:46ce1e16c870 70
emilmont 1:46ce1e16c870 71 #endif
emilmont 1:46ce1e16c870 72
emilmont 1:46ce1e16c870 73
emilmont 1:46ce1e16c870 74
emilmont 1:46ce1e16c870 75 /* File system object structure (FATFS) */
emilmont 1:46ce1e16c870 76
emilmont 1:46ce1e16c870 77 typedef struct {
emilmont 1:46ce1e16c870 78 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
emilmont 1:46ce1e16c870 79 BYTE drv; /* Physical drive number */
emilmont 1:46ce1e16c870 80 BYTE csize; /* Sectors per cluster (1,2,4...128) */
emilmont 1:46ce1e16c870 81 BYTE n_fats; /* Number of FAT copies (1,2) */
emilmont 1:46ce1e16c870 82 BYTE wflag; /* win[] dirty flag (1:must be written back) */
emilmont 1:46ce1e16c870 83 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
emilmont 1:46ce1e16c870 84 WORD id; /* File system mount ID */
emilmont 1:46ce1e16c870 85 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
emilmont 1:46ce1e16c870 86 #if _MAX_SS != 512
emilmont 1:46ce1e16c870 87 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
emilmont 1:46ce1e16c870 88 #endif
emilmont 1:46ce1e16c870 89 #if _FS_REENTRANT
emilmont 1:46ce1e16c870 90 _SYNC_t sobj; /* Identifier of sync object */
emilmont 1:46ce1e16c870 91 #endif
emilmont 1:46ce1e16c870 92 #if !_FS_READONLY
emilmont 1:46ce1e16c870 93 DWORD last_clust; /* Last allocated cluster */
emilmont 1:46ce1e16c870 94 DWORD free_clust; /* Number of free clusters */
emilmont 1:46ce1e16c870 95 DWORD fsi_sector; /* fsinfo sector (FAT32) */
emilmont 1:46ce1e16c870 96 #endif
emilmont 1:46ce1e16c870 97 #if _FS_RPATH
emilmont 1:46ce1e16c870 98 DWORD cdir; /* Current directory start cluster (0:root) */
emilmont 1:46ce1e16c870 99 #endif
emilmont 1:46ce1e16c870 100 DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */
emilmont 1:46ce1e16c870 101 DWORD fsize; /* Sectors per FAT */
emilmont 1:46ce1e16c870 102 DWORD fatbase; /* FAT start sector */
emilmont 1:46ce1e16c870 103 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
emilmont 1:46ce1e16c870 104 DWORD database; /* Data start sector */
emilmont 1:46ce1e16c870 105 DWORD winsect; /* Current sector appearing in the win[] */
emilmont 1:46ce1e16c870 106 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */
emilmont 1:46ce1e16c870 107 } FATFS;
emilmont 1:46ce1e16c870 108
emilmont 1:46ce1e16c870 109
emilmont 1:46ce1e16c870 110
emilmont 1:46ce1e16c870 111 /* File object structure (FIL) */
emilmont 1:46ce1e16c870 112
emilmont 1:46ce1e16c870 113 typedef struct {
emilmont 1:46ce1e16c870 114 FATFS* fs; /* Pointer to the related file system object */
emilmont 1:46ce1e16c870 115 WORD id; /* File system mount ID of the related file system object */
emilmont 1:46ce1e16c870 116 BYTE flag; /* File status flags */
emilmont 1:46ce1e16c870 117 BYTE pad1;
emilmont 1:46ce1e16c870 118 DWORD fptr; /* File read/write pointer (0ed on file open) */
emilmont 1:46ce1e16c870 119 DWORD fsize; /* File size */
emilmont 1:46ce1e16c870 120 DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
emilmont 1:46ce1e16c870 121 DWORD clust; /* Current cluster of fpter */
emilmont 1:46ce1e16c870 122 DWORD dsect; /* Current data sector of fpter */
emilmont 1:46ce1e16c870 123 #if !_FS_READONLY
emilmont 1:46ce1e16c870 124 DWORD dir_sect; /* Sector containing the directory entry */
emilmont 1:46ce1e16c870 125 BYTE* dir_ptr; /* Pointer to the directory entry in the window */
emilmont 1:46ce1e16c870 126 #endif
emilmont 1:46ce1e16c870 127 #if _USE_FASTSEEK
emilmont 1:46ce1e16c870 128 DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */
emilmont 1:46ce1e16c870 129 #endif
emilmont 1:46ce1e16c870 130 #if _FS_LOCK
emilmont 1:46ce1e16c870 131 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
emilmont 1:46ce1e16c870 132 #endif
emilmont 1:46ce1e16c870 133 #if !_FS_TINY
emilmont 1:46ce1e16c870 134 BYTE buf[_MAX_SS]; /* File data read/write buffer */
emilmont 1:46ce1e16c870 135 #endif
emilmont 1:46ce1e16c870 136 } FIL;
emilmont 1:46ce1e16c870 137
emilmont 1:46ce1e16c870 138
emilmont 1:46ce1e16c870 139
emilmont 1:46ce1e16c870 140 /* Directory object structure (DIR) */
emilmont 1:46ce1e16c870 141
emilmont 1:46ce1e16c870 142 typedef struct {
emilmont 1:46ce1e16c870 143 FATFS* fs; /* Pointer to the owner file system object */
emilmont 1:46ce1e16c870 144 WORD id; /* Owner file system mount ID */
emilmont 1:46ce1e16c870 145 WORD index; /* Current read/write index number */
emilmont 1:46ce1e16c870 146 DWORD sclust; /* Table start cluster (0:Root dir) */
emilmont 1:46ce1e16c870 147 DWORD clust; /* Current cluster */
emilmont 1:46ce1e16c870 148 DWORD sect; /* Current sector */
emilmont 1:46ce1e16c870 149 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
emilmont 1:46ce1e16c870 150 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
emilmont 1:46ce1e16c870 151 #if _USE_LFN
emilmont 1:46ce1e16c870 152 WCHAR* lfn; /* Pointer to the LFN working buffer */
emilmont 1:46ce1e16c870 153 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
emilmont 1:46ce1e16c870 154 #endif
emilmont 1:46ce1e16c870 155 } FATFS_DIR;
emilmont 1:46ce1e16c870 156
emilmont 1:46ce1e16c870 157
emilmont 1:46ce1e16c870 158
emilmont 1:46ce1e16c870 159 /* File status structure (FILINFO) */
emilmont 1:46ce1e16c870 160
emilmont 1:46ce1e16c870 161 typedef struct {
emilmont 1:46ce1e16c870 162 DWORD fsize; /* File size */
emilmont 1:46ce1e16c870 163 WORD fdate; /* Last modified date */
emilmont 1:46ce1e16c870 164 WORD ftime; /* Last modified time */
emilmont 1:46ce1e16c870 165 BYTE fattrib; /* Attribute */
emilmont 1:46ce1e16c870 166 TCHAR fname[13]; /* Short file name (8.3 format) */
emilmont 1:46ce1e16c870 167 #if _USE_LFN
emilmont 1:46ce1e16c870 168 TCHAR* lfname; /* Pointer to the LFN buffer */
emilmont 1:46ce1e16c870 169 UINT lfsize; /* Size of LFN buffer in TCHAR */
emilmont 1:46ce1e16c870 170 #endif
emilmont 1:46ce1e16c870 171 } FILINFO;
emilmont 1:46ce1e16c870 172
emilmont 1:46ce1e16c870 173
emilmont 1:46ce1e16c870 174
emilmont 1:46ce1e16c870 175 /* File function return code (FRESULT) */
emilmont 1:46ce1e16c870 176
emilmont 1:46ce1e16c870 177 typedef enum {
emilmont 1:46ce1e16c870 178 FR_OK = 0, /* (0) Succeeded */
emilmont 1:46ce1e16c870 179 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
emilmont 1:46ce1e16c870 180 FR_INT_ERR, /* (2) Assertion failed */
emilmont 1:46ce1e16c870 181 FR_NOT_READY, /* (3) The physical drive cannot work */
emilmont 1:46ce1e16c870 182 FR_NO_FILE, /* (4) Could not find the file */
emilmont 1:46ce1e16c870 183 FR_NO_PATH, /* (5) Could not find the path */
emilmont 1:46ce1e16c870 184 FR_INVALID_NAME, /* (6) The path name format is invalid */
emilmont 1:46ce1e16c870 185 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
emilmont 1:46ce1e16c870 186 FR_EXIST, /* (8) Access denied due to prohibited access */
emilmont 1:46ce1e16c870 187 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
emilmont 1:46ce1e16c870 188 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
emilmont 1:46ce1e16c870 189 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
emilmont 1:46ce1e16c870 190 FR_NOT_ENABLED, /* (12) The volume has no work area */
emilmont 1:46ce1e16c870 191 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
emilmont 1:46ce1e16c870 192 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
emilmont 1:46ce1e16c870 193 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
emilmont 1:46ce1e16c870 194 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
emilmont 1:46ce1e16c870 195 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
emilmont 1:46ce1e16c870 196 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
emilmont 1:46ce1e16c870 197 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
emilmont 1:46ce1e16c870 198 } FRESULT;
emilmont 1:46ce1e16c870 199
emilmont 1:46ce1e16c870 200
emilmont 1:46ce1e16c870 201
emilmont 1:46ce1e16c870 202 /*--------------------------------------------------------------*/
emilmont 1:46ce1e16c870 203 /* FatFs module application interface */
emilmont 1:46ce1e16c870 204
emilmont 1:46ce1e16c870 205 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
emilmont 1:46ce1e16c870 206 FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */
emilmont 1:46ce1e16c870 207 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
emilmont 1:46ce1e16c870 208 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
emilmont 1:46ce1e16c870 209 FRESULT f_close (FIL*); /* Close an open file object */
emilmont 1:46ce1e16c870 210 FRESULT f_opendir (FATFS_DIR*, const TCHAR*); /* Open an existing directory */
emilmont 1:46ce1e16c870 211 FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
emilmont 1:46ce1e16c870 212 FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */
emilmont 1:46ce1e16c870 213 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
emilmont 1:46ce1e16c870 214 FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
emilmont 1:46ce1e16c870 215 FRESULT f_truncate (FIL*); /* Truncate file */
emilmont 1:46ce1e16c870 216 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
emilmont 1:46ce1e16c870 217 FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */
emilmont 1:46ce1e16c870 218 FRESULT f_mkdir (const TCHAR*); /* Create a new directory */
emilmont 1:46ce1e16c870 219 FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attribute of the file/dir */
emilmont 1:46ce1e16c870 220 FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change times-tamp of the file/dir */
emilmont 1:46ce1e16c870 221 FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */
emilmont 1:46ce1e16c870 222 FRESULT f_chdrive (BYTE); /* Change current drive */
emilmont 1:46ce1e16c870 223 FRESULT f_chdir (const TCHAR*); /* Change current directory */
emilmont 1:46ce1e16c870 224 FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */
emilmont 1:46ce1e16c870 225 FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
emilmont 1:46ce1e16c870 226 FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */
emilmont 1:46ce1e16c870 227 FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */
emilmont 1:46ce1e16c870 228 int f_putc (TCHAR, FIL*); /* Put a character to the file */
emilmont 1:46ce1e16c870 229 int f_puts (const TCHAR*, FIL*); /* Put a string to the file */
emilmont 1:46ce1e16c870 230 int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */
emilmont 1:46ce1e16c870 231 TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */
emilmont 1:46ce1e16c870 232
emilmont 1:46ce1e16c870 233 #define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
emilmont 1:46ce1e16c870 234 #define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
emilmont 1:46ce1e16c870 235 #define f_tell(fp) ((fp)->fptr)
emilmont 1:46ce1e16c870 236 #define f_size(fp) ((fp)->fsize)
emilmont 1:46ce1e16c870 237
emilmont 1:46ce1e16c870 238 #ifndef EOF
emilmont 1:46ce1e16c870 239 #define EOF (-1)
emilmont 1:46ce1e16c870 240 #endif
emilmont 1:46ce1e16c870 241
emilmont 1:46ce1e16c870 242
emilmont 1:46ce1e16c870 243
emilmont 1:46ce1e16c870 244
emilmont 1:46ce1e16c870 245 /*--------------------------------------------------------------*/
emilmont 1:46ce1e16c870 246 /* Additional user defined functions */
emilmont 1:46ce1e16c870 247
emilmont 1:46ce1e16c870 248 /* RTC function */
emilmont 1:46ce1e16c870 249 #if !_FS_READONLY
emilmont 1:46ce1e16c870 250 DWORD get_fattime (void);
emilmont 1:46ce1e16c870 251 #endif
emilmont 1:46ce1e16c870 252
emilmont 1:46ce1e16c870 253 /* Unicode support functions */
emilmont 1:46ce1e16c870 254 #if _USE_LFN /* Unicode - OEM code conversion */
emilmont 1:46ce1e16c870 255 WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */
emilmont 1:46ce1e16c870 256 WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */
emilmont 1:46ce1e16c870 257 #if _USE_LFN == 3 /* Memory functions */
emilmont 1:46ce1e16c870 258 void* ff_memalloc (UINT); /* Allocate memory block */
emilmont 1:46ce1e16c870 259 void ff_memfree (void*); /* Free memory block */
emilmont 1:46ce1e16c870 260 #endif
emilmont 1:46ce1e16c870 261 #endif
emilmont 1:46ce1e16c870 262
emilmont 1:46ce1e16c870 263 /* Sync functions */
emilmont 1:46ce1e16c870 264 #if _FS_REENTRANT
emilmont 1:46ce1e16c870 265 int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
emilmont 1:46ce1e16c870 266 int ff_req_grant (_SYNC_t); /* Lock sync object */
emilmont 1:46ce1e16c870 267 void ff_rel_grant (_SYNC_t); /* Unlock sync object */
emilmont 1:46ce1e16c870 268 int ff_del_syncobj (_SYNC_t); /* Delete a sync object */
emilmont 1:46ce1e16c870 269 #endif
emilmont 1:46ce1e16c870 270
emilmont 1:46ce1e16c870 271
emilmont 1:46ce1e16c870 272
emilmont 1:46ce1e16c870 273
emilmont 1:46ce1e16c870 274 /*--------------------------------------------------------------*/
emilmont 1:46ce1e16c870 275 /* Flags and offset address */
emilmont 1:46ce1e16c870 276
emilmont 1:46ce1e16c870 277
emilmont 1:46ce1e16c870 278 /* File access control and file status flags (FIL.flag) */
emilmont 1:46ce1e16c870 279
emilmont 1:46ce1e16c870 280 #define FA_READ 0x01
emilmont 1:46ce1e16c870 281 #define FA_OPEN_EXISTING 0x00
emilmont 1:46ce1e16c870 282 #define FA__ERROR 0x80
emilmont 1:46ce1e16c870 283
emilmont 1:46ce1e16c870 284 #if !_FS_READONLY
emilmont 1:46ce1e16c870 285 #define FA_WRITE 0x02
emilmont 1:46ce1e16c870 286 #define FA_CREATE_NEW 0x04
emilmont 1:46ce1e16c870 287 #define FA_CREATE_ALWAYS 0x08
emilmont 1:46ce1e16c870 288 #define FA_OPEN_ALWAYS 0x10
emilmont 1:46ce1e16c870 289 #define FA__WRITTEN 0x20
emilmont 1:46ce1e16c870 290 #define FA__DIRTY 0x40
emilmont 1:46ce1e16c870 291 #endif
emilmont 1:46ce1e16c870 292
emilmont 1:46ce1e16c870 293
emilmont 1:46ce1e16c870 294 /* FAT sub type (FATFS.fs_type) */
emilmont 1:46ce1e16c870 295
emilmont 1:46ce1e16c870 296 #define FS_FAT12 1
emilmont 1:46ce1e16c870 297 #define FS_FAT16 2
emilmont 1:46ce1e16c870 298 #define FS_FAT32 3
emilmont 1:46ce1e16c870 299
emilmont 1:46ce1e16c870 300
emilmont 1:46ce1e16c870 301 /* File attribute bits for directory entry */
emilmont 1:46ce1e16c870 302
emilmont 1:46ce1e16c870 303 #define AM_RDO 0x01 /* Read only */
emilmont 1:46ce1e16c870 304 #define AM_HID 0x02 /* Hidden */
emilmont 1:46ce1e16c870 305 #define AM_SYS 0x04 /* System */
emilmont 1:46ce1e16c870 306 #define AM_VOL 0x08 /* Volume label */
emilmont 1:46ce1e16c870 307 #define AM_LFN 0x0F /* LFN entry */
emilmont 1:46ce1e16c870 308 #define AM_DIR 0x10 /* Directory */
emilmont 1:46ce1e16c870 309 #define AM_ARC 0x20 /* Archive */
emilmont 1:46ce1e16c870 310 #define AM_MASK 0x3F /* Mask of defined bits */
emilmont 1:46ce1e16c870 311
emilmont 1:46ce1e16c870 312
emilmont 1:46ce1e16c870 313 /* Fast seek feature */
emilmont 1:46ce1e16c870 314 #define CREATE_LINKMAP 0xFFFFFFFF
emilmont 1:46ce1e16c870 315
emilmont 1:46ce1e16c870 316
emilmont 1:46ce1e16c870 317
emilmont 1:46ce1e16c870 318 /*--------------------------------*/
emilmont 1:46ce1e16c870 319 /* Multi-byte word access macros */
emilmont 1:46ce1e16c870 320
emilmont 1:46ce1e16c870 321 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
emilmont 1:46ce1e16c870 322 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
emilmont 1:46ce1e16c870 323 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
emilmont 1:46ce1e16c870 324 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
emilmont 1:46ce1e16c870 325 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
emilmont 1:46ce1e16c870 326 #else /* Use byte-by-byte access to the FAT structure */
emilmont 1:46ce1e16c870 327 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
emilmont 1:46ce1e16c870 328 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
emilmont 1:46ce1e16c870 329 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
emilmont 1:46ce1e16c870 330 #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)
emilmont 1:46ce1e16c870 331 #endif
emilmont 1:46ce1e16c870 332
emilmont 1:46ce1e16c870 333 #ifdef __cplusplus
emilmont 1:46ce1e16c870 334 }
emilmont 1:46ce1e16c870 335 #endif
emilmont 1:46ce1e16c870 336
emilmont 1:46ce1e16c870 337 #endif /* _FATFS */