Dan Matthews / Mbed 2 deprecated GPS_Incremental-V1_0

Changes to allow hardware camera trigger

Dependencies:   mbed

Fork of GPS_Incremental by james kain

FatFileSystem/ff.h@10:078891935385, 2013-04-18 (annotated)

Committer:
dannyman939
Date:
Thu Apr 18 00:59:49 2013 +0000
Revision:
10:078891935385
Parent:
0:c746ee34feae 
Hardware trigger camera using the DigitalOut of Pin 2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dannyman939 0:c746ee34feae 1 /*---------------------------------------------------------------------------/
dannyman939 0:c746ee34feae 2 / FatFs - FAT file system module include file R0.09 (C)ChaN, 2011
dannyman939 0:c746ee34feae 3 /----------------------------------------------------------------------------/
dannyman939 0:c746ee34feae 4 / FatFs module is a generic FAT file system module for small embedded systems.
dannyman939 0:c746ee34feae 5 / This is a free software that opened for education, research and commercial
dannyman939 0:c746ee34feae 6 / developments under license policy of following trems.
dannyman939 0:c746ee34feae 7 /
dannyman939 0:c746ee34feae 8 / Copyright (C) 2011, ChaN, all right reserved.
dannyman939 0:c746ee34feae 9 /
dannyman939 0:c746ee34feae 10 / * The FatFs module is a free software and there is NO WARRANTY.
dannyman939 0:c746ee34feae 11 / * No restriction on use. You can use, modify and redistribute it for
dannyman939 0:c746ee34feae 12 / personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
dannyman939 0:c746ee34feae 13 / * Redistributions of source code must retain the above copyright notice.
dannyman939 0:c746ee34feae 14 /
dannyman939 0:c746ee34feae 15 /----------------------------------------------------------------------------*/
dannyman939 0:c746ee34feae 16
dannyman939 0:c746ee34feae 17 #ifndef _FATFS
dannyman939 0:c746ee34feae 18 #define _FATFS 6502 /* Revision ID */
dannyman939 0:c746ee34feae 19
dannyman939 0:c746ee34feae 20 #ifdef __cplusplus
dannyman939 0:c746ee34feae 21 extern "C" {
dannyman939 0:c746ee34feae 22 #endif
dannyman939 0:c746ee34feae 23
dannyman939 0:c746ee34feae 24 #include "integer.h" /* Basic integer types */
dannyman939 0:c746ee34feae 25 #include "ffconf.h" /* FatFs configuration options */
dannyman939 0:c746ee34feae 26
dannyman939 0:c746ee34feae 27 #if _FATFS != _FFCONF
dannyman939 0:c746ee34feae 28 #error Wrong configuration file (ffconf.h).
dannyman939 0:c746ee34feae 29 #endif
dannyman939 0:c746ee34feae 30
dannyman939 0:c746ee34feae 31
dannyman939 0:c746ee34feae 32
dannyman939 0:c746ee34feae 33 /* Definitions of volume management */
dannyman939 0:c746ee34feae 34
dannyman939 0:c746ee34feae 35 #if _MULTI_PARTITION /* Multiple partition configuration */
dannyman939 0:c746ee34feae 36 typedef struct {
dannyman939 0:c746ee34feae 37 BYTE pd; /* Physical drive number */
dannyman939 0:c746ee34feae 38 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
dannyman939 0:c746ee34feae 39 } PARTITION;
dannyman939 0:c746ee34feae 40 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
dannyman939 0:c746ee34feae 41 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
dannyman939 0:c746ee34feae 42 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
dannyman939 0:c746ee34feae 43
dannyman939 0:c746ee34feae 44 #else /* Single partition configuration */
dannyman939 0:c746ee34feae 45 #define LD2PD(vol) (vol) /* Each logical drive is bound to the same physical drive number */
dannyman939 0:c746ee34feae 46 #define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */
dannyman939 0:c746ee34feae 47
dannyman939 0:c746ee34feae 48 #endif
dannyman939 0:c746ee34feae 49
dannyman939 0:c746ee34feae 50
dannyman939 0:c746ee34feae 51
dannyman939 0:c746ee34feae 52 /* Type of path name strings on FatFs API */
dannyman939 0:c746ee34feae 53
dannyman939 0:c746ee34feae 54 #if _LFN_UNICODE /* Unicode string */
dannyman939 0:c746ee34feae 55 #if !_USE_LFN
dannyman939 0:c746ee34feae 56 #error _LFN_UNICODE must be 0 in non-LFN cfg.
dannyman939 0:c746ee34feae 57 #endif
dannyman939 0:c746ee34feae 58 #ifndef _INC_TCHAR
dannyman939 0:c746ee34feae 59 typedef WCHAR TCHAR;
dannyman939 0:c746ee34feae 60 #define _T(x) L ## x
dannyman939 0:c746ee34feae 61 #define _TEXT(x) L ## x
dannyman939 0:c746ee34feae 62 #endif
dannyman939 0:c746ee34feae 63
dannyman939 0:c746ee34feae 64 #else /* ANSI/OEM string */
dannyman939 0:c746ee34feae 65 #ifndef _INC_TCHAR
dannyman939 0:c746ee34feae 66 typedef char TCHAR;
dannyman939 0:c746ee34feae 67 #define _T(x) x
dannyman939 0:c746ee34feae 68 #define _TEXT(x) x
dannyman939 0:c746ee34feae 69 #endif
dannyman939 0:c746ee34feae 70
dannyman939 0:c746ee34feae 71 #endif
dannyman939 0:c746ee34feae 72
dannyman939 0:c746ee34feae 73
dannyman939 0:c746ee34feae 74
dannyman939 0:c746ee34feae 75 /* File system object structure (FATFS) */
dannyman939 0:c746ee34feae 76
dannyman939 0:c746ee34feae 77 typedef struct {
dannyman939 0:c746ee34feae 78 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
dannyman939 0:c746ee34feae 79 BYTE drv; /* Physical drive number */
dannyman939 0:c746ee34feae 80 BYTE csize; /* Sectors per cluster (1,2,4...128) */
dannyman939 0:c746ee34feae 81 BYTE n_fats; /* Number of FAT copies (1,2) */
dannyman939 0:c746ee34feae 82 BYTE wflag; /* win[] dirty flag (1:must be written back) */
dannyman939 0:c746ee34feae 83 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
dannyman939 0:c746ee34feae 84 WORD id; /* File system mount ID */
dannyman939 0:c746ee34feae 85 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
dannyman939 0:c746ee34feae 86 #if _MAX_SS != 512
dannyman939 0:c746ee34feae 87 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
dannyman939 0:c746ee34feae 88 #endif
dannyman939 0:c746ee34feae 89 #if _FS_REENTRANT
dannyman939 0:c746ee34feae 90 _SYNC_t sobj; /* Identifier of sync object */
dannyman939 0:c746ee34feae 91 #endif
dannyman939 0:c746ee34feae 92 #if !_FS_READONLY
dannyman939 0:c746ee34feae 93 DWORD last_clust; /* Last allocated cluster */
dannyman939 0:c746ee34feae 94 DWORD free_clust; /* Number of free clusters */
dannyman939 0:c746ee34feae 95 DWORD fsi_sector; /* fsinfo sector (FAT32) */
dannyman939 0:c746ee34feae 96 #endif
dannyman939 0:c746ee34feae 97 #if _FS_RPATH
dannyman939 0:c746ee34feae 98 DWORD cdir; /* Current directory start cluster (0:root) */
dannyman939 0:c746ee34feae 99 #endif
dannyman939 0:c746ee34feae 100 DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */
dannyman939 0:c746ee34feae 101 DWORD fsize; /* Sectors per FAT */
dannyman939 0:c746ee34feae 102 DWORD fatbase; /* FAT start sector */
dannyman939 0:c746ee34feae 103 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
dannyman939 0:c746ee34feae 104 DWORD database; /* Data start sector */
dannyman939 0:c746ee34feae 105 DWORD winsect; /* Current sector appearing in the win[] */
dannyman939 0:c746ee34feae 106 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */
dannyman939 0:c746ee34feae 107 } FATFS;
dannyman939 0:c746ee34feae 108
dannyman939 0:c746ee34feae 109
dannyman939 0:c746ee34feae 110
dannyman939 0:c746ee34feae 111 /* File object structure (FIL) */
dannyman939 0:c746ee34feae 112
dannyman939 0:c746ee34feae 113 typedef struct {
dannyman939 0:c746ee34feae 114 FATFS* fs; /* Pointer to the owner file system object */
dannyman939 0:c746ee34feae 115 WORD id; /* Owner file system mount ID */
dannyman939 0:c746ee34feae 116 BYTE flag; /* File status flags */
dannyman939 0:c746ee34feae 117 BYTE pad1;
dannyman939 0:c746ee34feae 118 DWORD fptr; /* File read/write pointer (0 on file open) */
dannyman939 0:c746ee34feae 119 DWORD fsize; /* File size */
dannyman939 0:c746ee34feae 120 DWORD sclust; /* File start cluster (0 when fsize==0) */
dannyman939 0:c746ee34feae 121 DWORD clust; /* Current cluster */
dannyman939 0:c746ee34feae 122 DWORD dsect; /* Current data sector */
dannyman939 0:c746ee34feae 123 #if !_FS_READONLY
dannyman939 0:c746ee34feae 124 DWORD dir_sect; /* Sector containing the directory entry */
dannyman939 0:c746ee34feae 125 BYTE* dir_ptr; /* Ponter to the directory entry in the window */
dannyman939 0:c746ee34feae 126 #endif
dannyman939 0:c746ee34feae 127 #if _USE_FASTSEEK
dannyman939 0:c746ee34feae 128 DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */
dannyman939 0:c746ee34feae 129 #endif
dannyman939 0:c746ee34feae 130 #if _FS_SHARE
dannyman939 0:c746ee34feae 131 UINT lockid; /* File lock ID (index of file semaphore table) */
dannyman939 0:c746ee34feae 132 #endif
dannyman939 0:c746ee34feae 133 #if !_FS_TINY
dannyman939 0:c746ee34feae 134 BYTE buf[_MAX_SS]; /* File data read/write buffer */
dannyman939 0:c746ee34feae 135 #endif
dannyman939 0:c746ee34feae 136 } FIL;
dannyman939 0:c746ee34feae 137
dannyman939 0:c746ee34feae 138
dannyman939 0:c746ee34feae 139
dannyman939 0:c746ee34feae 140 /* Directory object structure (FATFS_DIR) */
dannyman939 0:c746ee34feae 141
dannyman939 0:c746ee34feae 142 typedef struct {
dannyman939 0:c746ee34feae 143 FATFS* fs; /* Pointer to the owner file system object */
dannyman939 0:c746ee34feae 144 WORD id; /* Owner file system mount ID */
dannyman939 0:c746ee34feae 145 WORD index; /* Current read/write index number */
dannyman939 0:c746ee34feae 146 DWORD sclust; /* Table start cluster (0:Root dir) */
dannyman939 0:c746ee34feae 147 DWORD clust; /* Current cluster */
dannyman939 0:c746ee34feae 148 DWORD sect; /* Current sector */
dannyman939 0:c746ee34feae 149 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
dannyman939 0:c746ee34feae 150 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
dannyman939 0:c746ee34feae 151 #if _USE_LFN
dannyman939 0:c746ee34feae 152 WCHAR* lfn; /* Pointer to the LFN working buffer */
dannyman939 0:c746ee34feae 153 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
dannyman939 0:c746ee34feae 154 #endif
dannyman939 0:c746ee34feae 155 } FATFS_DIR;
dannyman939 0:c746ee34feae 156
dannyman939 0:c746ee34feae 157
dannyman939 0:c746ee34feae 158
dannyman939 0:c746ee34feae 159 /* File status structure (FILINFO) */
dannyman939 0:c746ee34feae 160
dannyman939 0:c746ee34feae 161 typedef struct {
dannyman939 0:c746ee34feae 162 DWORD fsize; /* File size */
dannyman939 0:c746ee34feae 163 WORD fdate; /* Last modified date */
dannyman939 0:c746ee34feae 164 WORD ftime; /* Last modified time */
dannyman939 0:c746ee34feae 165 BYTE fattrib; /* Attribute */
dannyman939 0:c746ee34feae 166 TCHAR fname[13]; /* Short file name (8.3 format) */
dannyman939 0:c746ee34feae 167 #if _USE_LFN
dannyman939 0:c746ee34feae 168 TCHAR* lfname; /* Pointer to the LFN buffer */
dannyman939 0:c746ee34feae 169 UINT lfsize; /* Size of LFN buffer in TCHAR */
dannyman939 0:c746ee34feae 170 #endif
dannyman939 0:c746ee34feae 171 } FILINFO;
dannyman939 0:c746ee34feae 172
dannyman939 0:c746ee34feae 173
dannyman939 0:c746ee34feae 174
dannyman939 0:c746ee34feae 175 /* File function return code (FRESULT) */
dannyman939 0:c746ee34feae 176
dannyman939 0:c746ee34feae 177 typedef enum {
dannyman939 0:c746ee34feae 178 FR_OK = 0, /* (0) Succeeded */
dannyman939 0:c746ee34feae 179 FR_DISK_ERR, /* (1) A hard error occured in the low level disk I/O layer */
dannyman939 0:c746ee34feae 180 FR_INT_ERR, /* (2) Assertion failed */
dannyman939 0:c746ee34feae 181 FR_NOT_READY, /* (3) The physical drive cannot work */
dannyman939 0:c746ee34feae 182 FR_NO_FILE, /* (4) Could not find the file */
dannyman939 0:c746ee34feae 183 FR_NO_PATH, /* (5) Could not find the path */
dannyman939 0:c746ee34feae 184 FR_INVALID_NAME, /* (6) The path name format is invalid */
dannyman939 0:c746ee34feae 185 FR_DENIED, /* (7) Acces denied due to prohibited access or directory full */
dannyman939 0:c746ee34feae 186 FR_EXIST, /* (8) Acces denied due to prohibited access */
dannyman939 0:c746ee34feae 187 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
dannyman939 0:c746ee34feae 188 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
dannyman939 0:c746ee34feae 189 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
dannyman939 0:c746ee34feae 190 FR_NOT_ENABLED, /* (12) The volume has no work area */
dannyman939 0:c746ee34feae 191 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
dannyman939 0:c746ee34feae 192 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
dannyman939 0:c746ee34feae 193 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
dannyman939 0:c746ee34feae 194 FR_LOCKED, /* (16) The operation is rejected according to the file shareing policy */
dannyman939 0:c746ee34feae 195 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
dannyman939 0:c746ee34feae 196 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
dannyman939 0:c746ee34feae 197 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
dannyman939 0:c746ee34feae 198 } FRESULT;
dannyman939 0:c746ee34feae 199
dannyman939 0:c746ee34feae 200
dannyman939 0:c746ee34feae 201
dannyman939 0:c746ee34feae 202 /*--------------------------------------------------------------*/
dannyman939 0:c746ee34feae 203 /* FatFs module application interface */
dannyman939 0:c746ee34feae 204
dannyman939 0:c746ee34feae 205 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
dannyman939 0:c746ee34feae 206 FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */
dannyman939 0:c746ee34feae 207 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
dannyman939 0:c746ee34feae 208 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
dannyman939 0:c746ee34feae 209 FRESULT f_close (FIL*); /* Close an open file object */
dannyman939 0:c746ee34feae 210 FRESULT f_opendir (FATFS_DIR*, const TCHAR*); /* Open an existing directory */
dannyman939 0:c746ee34feae 211 FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
dannyman939 0:c746ee34feae 212 FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */
dannyman939 0:c746ee34feae 213 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
dannyman939 0:c746ee34feae 214 FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
dannyman939 0:c746ee34feae 215 FRESULT f_truncate (FIL*); /* Truncate file */
dannyman939 0:c746ee34feae 216 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
dannyman939 0:c746ee34feae 217 FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */
dannyman939 0:c746ee34feae 218 FRESULT f_mkdir (const TCHAR*); /* Create a new directory */
dannyman939 0:c746ee34feae 219 FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attriburte of the file/dir */
dannyman939 0:c746ee34feae 220 FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change timestamp of the file/dir */
dannyman939 0:c746ee34feae 221 FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */
dannyman939 0:c746ee34feae 222 FRESULT f_chdrive (BYTE); /* Change current drive */
dannyman939 0:c746ee34feae 223 FRESULT f_chdir (const TCHAR*); /* Change current directory */
dannyman939 0:c746ee34feae 224 FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */
dannyman939 0:c746ee34feae 225 FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
dannyman939 0:c746ee34feae 226 FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */
dannyman939 0:c746ee34feae 227 FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */
dannyman939 0:c746ee34feae 228 int f_putc (TCHAR, FIL*); /* Put a character to the file */
dannyman939 0:c746ee34feae 229 int f_puts (const TCHAR*, FIL*); /* Put a string to the file */
dannyman939 0:c746ee34feae 230 int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */
dannyman939 0:c746ee34feae 231 TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */
dannyman939 0:c746ee34feae 232
dannyman939 0:c746ee34feae 233 #define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
dannyman939 0:c746ee34feae 234 #define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
dannyman939 0:c746ee34feae 235 #define f_tell(fp) ((fp)->fptr)
dannyman939 0:c746ee34feae 236 #define f_size(fp) ((fp)->fsize)
dannyman939 0:c746ee34feae 237
dannyman939 0:c746ee34feae 238 #ifndef EOF
dannyman939 0:c746ee34feae 239 #define EOF (-1)
dannyman939 0:c746ee34feae 240 #endif
dannyman939 0:c746ee34feae 241
dannyman939 0:c746ee34feae 242
dannyman939 0:c746ee34feae 243
dannyman939 0:c746ee34feae 244
dannyman939 0:c746ee34feae 245 /*--------------------------------------------------------------*/
dannyman939 0:c746ee34feae 246 /* Additional user defined functions */
dannyman939 0:c746ee34feae 247
dannyman939 0:c746ee34feae 248 /* RTC function */
dannyman939 0:c746ee34feae 249 #if !_FS_READONLY
dannyman939 0:c746ee34feae 250 DWORD get_fattime (void);
dannyman939 0:c746ee34feae 251 #endif
dannyman939 0:c746ee34feae 252
dannyman939 0:c746ee34feae 253 /* Unicode support functions */
dannyman939 0:c746ee34feae 254 #if _USE_LFN /* Unicode - OEM code conversion */
dannyman939 0:c746ee34feae 255 WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */
dannyman939 0:c746ee34feae 256 WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */
dannyman939 0:c746ee34feae 257 #if _USE_LFN == 3 /* Memory functions */
dannyman939 0:c746ee34feae 258 void* ff_memalloc (UINT); /* Allocate memory block */
dannyman939 0:c746ee34feae 259 void ff_memfree (void*); /* Free memory block */
dannyman939 0:c746ee34feae 260 #endif
dannyman939 0:c746ee34feae 261 #endif
dannyman939 0:c746ee34feae 262
dannyman939 0:c746ee34feae 263 /* Sync functions */
dannyman939 0:c746ee34feae 264 #if _FS_REENTRANT
dannyman939 0:c746ee34feae 265 int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
dannyman939 0:c746ee34feae 266 int ff_req_grant (_SYNC_t); /* Lock sync object */
dannyman939 0:c746ee34feae 267 void ff_rel_grant (_SYNC_t); /* Unlock sync object */
dannyman939 0:c746ee34feae 268 int ff_del_syncobj (_SYNC_t); /* Delete a sync object */
dannyman939 0:c746ee34feae 269 #endif
dannyman939 0:c746ee34feae 270
dannyman939 0:c746ee34feae 271
dannyman939 0:c746ee34feae 272
dannyman939 0:c746ee34feae 273
dannyman939 0:c746ee34feae 274 /*--------------------------------------------------------------*/
dannyman939 0:c746ee34feae 275 /* Flags and offset address */
dannyman939 0:c746ee34feae 276
dannyman939 0:c746ee34feae 277
dannyman939 0:c746ee34feae 278 /* File access control and file status flags (FIL.flag) */
dannyman939 0:c746ee34feae 279
dannyman939 0:c746ee34feae 280 #define FA_READ 0x01
dannyman939 0:c746ee34feae 281 #define FA_OPEN_EXISTING 0x00
dannyman939 0:c746ee34feae 282 #define FA__ERROR 0x80
dannyman939 0:c746ee34feae 283
dannyman939 0:c746ee34feae 284 #if !_FS_READONLY
dannyman939 0:c746ee34feae 285 #define FA_WRITE 0x02
dannyman939 0:c746ee34feae 286 #define FA_CREATE_NEW 0x04
dannyman939 0:c746ee34feae 287 #define FA_CREATE_ALWAYS 0x08
dannyman939 0:c746ee34feae 288 #define FA_OPEN_ALWAYS 0x10
dannyman939 0:c746ee34feae 289 #define FA__WRITTEN 0x20
dannyman939 0:c746ee34feae 290 #define FA__DIRTY 0x40
dannyman939 0:c746ee34feae 291 #endif
dannyman939 0:c746ee34feae 292
dannyman939 0:c746ee34feae 293
dannyman939 0:c746ee34feae 294 /* FAT sub type (FATFS.fs_type) */
dannyman939 0:c746ee34feae 295
dannyman939 0:c746ee34feae 296 #define FS_FAT12 1
dannyman939 0:c746ee34feae 297 #define FS_FAT16 2
dannyman939 0:c746ee34feae 298 #define FS_FAT32 3
dannyman939 0:c746ee34feae 299
dannyman939 0:c746ee34feae 300
dannyman939 0:c746ee34feae 301 /* File attribute bits for directory entry */
dannyman939 0:c746ee34feae 302
dannyman939 0:c746ee34feae 303 #define AM_RDO 0x01 /* Read only */
dannyman939 0:c746ee34feae 304 #define AM_HID 0x02 /* Hidden */
dannyman939 0:c746ee34feae 305 #define AM_SYS 0x04 /* System */
dannyman939 0:c746ee34feae 306 #define AM_VOL 0x08 /* Volume label */
dannyman939 0:c746ee34feae 307 #define AM_LFN 0x0F /* LFN entry */
dannyman939 0:c746ee34feae 308 #define AM_DIR 0x10 /* Directory */
dannyman939 0:c746ee34feae 309 #define AM_ARC 0x20 /* Archive */
dannyman939 0:c746ee34feae 310 #define AM_MASK 0x3F /* Mask of defined bits */
dannyman939 0:c746ee34feae 311
dannyman939 0:c746ee34feae 312
dannyman939 0:c746ee34feae 313 /* Fast seek feature */
dannyman939 0:c746ee34feae 314 #define CREATE_LINKMAP 0xFFFFFFFF
dannyman939 0:c746ee34feae 315
dannyman939 0:c746ee34feae 316
dannyman939 0:c746ee34feae 317
dannyman939 0:c746ee34feae 318 /*--------------------------------*/
dannyman939 0:c746ee34feae 319 /* Multi-byte word access macros */
dannyman939 0:c746ee34feae 320
dannyman939 0:c746ee34feae 321 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
dannyman939 0:c746ee34feae 322 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
dannyman939 0:c746ee34feae 323 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
dannyman939 0:c746ee34feae 324 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
dannyman939 0:c746ee34feae 325 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
dannyman939 0:c746ee34feae 326 #else /* Use byte-by-byte access to the FAT structure */
dannyman939 0:c746ee34feae 327 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
dannyman939 0:c746ee34feae 328 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
dannyman939 0:c746ee34feae 329 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
dannyman939 0:c746ee34feae 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)
dannyman939 0:c746ee34feae 331 #endif
dannyman939 0:c746ee34feae 332
dannyman939 0:c746ee34feae 333 #ifdef __cplusplus
dannyman939 0:c746ee34feae 334 }
dannyman939 0:c746ee34feae 335 #endif
dannyman939 0:c746ee34feae 336
dannyman939 0:c746ee34feae 337 #endif /* _FATFS */