VOC / Mbed 2 deprecated Dumb_box_rev2

test

Dependencies:   Nanopb iSerial mbed BaseJpegDecode FatFileSystem SDFileSystem RingBuffer Camera_LS_Y201

extlib/FATFileSystem/ff.h@0:d69efd0ee139, 2014-09-18 (annotated)

Committer:
cgraham
Date:
Thu Sep 18 15:21:47 2014 +0000
Revision:
0:d69efd0ee139
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cgraham 0:d69efd0ee139 1 /*--------------------------------------------------------------------------/
cgraham 0:d69efd0ee139 2 / FatFs - FAT file system module include file R0.06 (C)ChaN, 2008
cgraham 0:d69efd0ee139 3 /---------------------------------------------------------------------------/
cgraham 0:d69efd0ee139 4 / FatFs module is an experimenal project to implement FAT file system to
cgraham 0:d69efd0ee139 5 / cheap microcontrollers. This is a free software and is opened for education,
cgraham 0:d69efd0ee139 6 / research and development under license policy of following trems.
cgraham 0:d69efd0ee139 7 /
cgraham 0:d69efd0ee139 8 / Copyright (C) 2008, ChaN, all right reserved.
cgraham 0:d69efd0ee139 9 /
cgraham 0:d69efd0ee139 10 / * The FatFs module is a free software and there is no warranty.
cgraham 0:d69efd0ee139 11 / * You can use, modify and/or redistribute it for personal, non-profit or
cgraham 0:d69efd0ee139 12 / commercial use without any restriction under your responsibility.
cgraham 0:d69efd0ee139 13 / * Redistributions of source code must retain the above copyright notice.
cgraham 0:d69efd0ee139 14 /
cgraham 0:d69efd0ee139 15 /---------------------------------------------------------------------------*/
cgraham 0:d69efd0ee139 16
cgraham 0:d69efd0ee139 17 #ifndef _FATFS
cgraham 0:d69efd0ee139 18
cgraham 0:d69efd0ee139 19 #define _MCU_ENDIAN 2
cgraham 0:d69efd0ee139 20 /* The _MCU_ENDIAN defines which access method is used to the FAT structure.
cgraham 0:d69efd0ee139 21 / 1: Enable word access.
cgraham 0:d69efd0ee139 22 / 2: Disable word access and use byte-by-byte access instead.
cgraham 0:d69efd0ee139 23 / When the architectural byte order of the MCU is big-endian and/or address
cgraham 0:d69efd0ee139 24 / miss-aligned access results incorrect behavior, the _MCU_ENDIAN must be set to 2.
cgraham 0:d69efd0ee139 25 / If it is not the case, it can also be set to 1 for good code efficiency. */
cgraham 0:d69efd0ee139 26
cgraham 0:d69efd0ee139 27 #define _FS_READONLY 0
cgraham 0:d69efd0ee139 28 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
cgraham 0:d69efd0ee139 29 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
cgraham 0:d69efd0ee139 30 / f_truncate and useless f_getfree. */
cgraham 0:d69efd0ee139 31
cgraham 0:d69efd0ee139 32 #define _FS_MINIMIZE 0
cgraham 0:d69efd0ee139 33 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
cgraham 0:d69efd0ee139 34 / 0: Full function.
cgraham 0:d69efd0ee139 35 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename are removed.
cgraham 0:d69efd0ee139 36 / 2: f_opendir and f_readdir are removed in addition to level 1.
cgraham 0:d69efd0ee139 37 / 3: f_lseek is removed in addition to level 2. */
cgraham 0:d69efd0ee139 38
cgraham 0:d69efd0ee139 39 #define _USE_STRFUNC 0
cgraham 0:d69efd0ee139 40 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
cgraham 0:d69efd0ee139 41
cgraham 0:d69efd0ee139 42 #define _USE_MKFS 1
cgraham 0:d69efd0ee139 43 /* When _USE_MKFS is set to 1 and _FS_READONLY is set to 0, f_mkfs function is
cgraham 0:d69efd0ee139 44 / enabled. */
cgraham 0:d69efd0ee139 45
cgraham 0:d69efd0ee139 46 #define _DRIVES 4
cgraham 0:d69efd0ee139 47 /* Number of logical drives to be used. This affects the size of internal table. */
cgraham 0:d69efd0ee139 48
cgraham 0:d69efd0ee139 49 #define _MULTI_PARTITION 0
cgraham 0:d69efd0ee139 50 /* When _MULTI_PARTITION is set to 0, each logical drive is bound to same
cgraham 0:d69efd0ee139 51 / physical drive number and can mount only 1st primaly partition. When it is
cgraham 0:d69efd0ee139 52 / set to 1, each logical drive can mount a partition listed in Drives[]. */
cgraham 0:d69efd0ee139 53
cgraham 0:d69efd0ee139 54 #define _USE_FSINFO 0
cgraham 0:d69efd0ee139 55 /* To enable FSInfo support on FAT32 volume, set _USE_FSINFO to 1. */
cgraham 0:d69efd0ee139 56
cgraham 0:d69efd0ee139 57 #define _USE_SJIS 1
cgraham 0:d69efd0ee139 58 /* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise
cgraham 0:d69efd0ee139 59 / only US-ASCII(7bit) code can be accepted as file/directory name. */
cgraham 0:d69efd0ee139 60
cgraham 0:d69efd0ee139 61 #define _USE_NTFLAG 1
cgraham 0:d69efd0ee139 62 /* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved.
cgraham 0:d69efd0ee139 63 / Note that the files are always accessed in case insensitive. */
cgraham 0:d69efd0ee139 64
cgraham 0:d69efd0ee139 65
cgraham 0:d69efd0ee139 66 #include "integer.h"
cgraham 0:d69efd0ee139 67
cgraham 0:d69efd0ee139 68 #ifdef __cplusplus
cgraham 0:d69efd0ee139 69 extern "C" {
cgraham 0:d69efd0ee139 70 #endif
cgraham 0:d69efd0ee139 71
cgraham 0:d69efd0ee139 72 /* Definitions corresponds to multiple sector size (not tested) */
cgraham 0:d69efd0ee139 73 #define S_MAX_SIZ 512U /* Do not change */
cgraham 0:d69efd0ee139 74 #if S_MAX_SIZ > 512U
cgraham 0:d69efd0ee139 75 #define SS(fs) ((fs)->s_size)
cgraham 0:d69efd0ee139 76 #else
cgraham 0:d69efd0ee139 77 #define SS(fs) 512U
cgraham 0:d69efd0ee139 78 #endif
cgraham 0:d69efd0ee139 79
cgraham 0:d69efd0ee139 80
cgraham 0:d69efd0ee139 81 /* File system object structure */
cgraham 0:d69efd0ee139 82 typedef struct _FATFS {
cgraham 0:d69efd0ee139 83 WORD id; /* File system mount ID */
cgraham 0:d69efd0ee139 84 WORD n_rootdir; /* Number of root directory entries */
cgraham 0:d69efd0ee139 85 DWORD winsect; /* Current sector appearing in the win[] */
cgraham 0:d69efd0ee139 86 DWORD sects_fat; /* Sectors per fat */
cgraham 0:d69efd0ee139 87 DWORD max_clust; /* Maximum cluster# + 1 */
cgraham 0:d69efd0ee139 88 DWORD fatbase; /* FAT start sector */
cgraham 0:d69efd0ee139 89 DWORD dirbase; /* Root directory start sector (cluster# for FAT32) */
cgraham 0:d69efd0ee139 90 DWORD database; /* Data start sector */
cgraham 0:d69efd0ee139 91 #if !_FS_READONLY
cgraham 0:d69efd0ee139 92 DWORD last_clust; /* Last allocated cluster */
cgraham 0:d69efd0ee139 93 DWORD free_clust; /* Number of free clusters */
cgraham 0:d69efd0ee139 94 #if _USE_FSINFO
cgraham 0:d69efd0ee139 95 DWORD fsi_sector; /* fsinfo sector */
cgraham 0:d69efd0ee139 96 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
cgraham 0:d69efd0ee139 97 BYTE pad2;
cgraham 0:d69efd0ee139 98 #endif
cgraham 0:d69efd0ee139 99 #endif
cgraham 0:d69efd0ee139 100 BYTE fs_type; /* FAT sub type */
cgraham 0:d69efd0ee139 101 BYTE csize; /* Number of sectors per cluster */
cgraham 0:d69efd0ee139 102 #if S_MAX_SIZ > 512U
cgraham 0:d69efd0ee139 103 WORD s_size; /* Sector size */
cgraham 0:d69efd0ee139 104 #endif
cgraham 0:d69efd0ee139 105 BYTE n_fats; /* Number of FAT copies */
cgraham 0:d69efd0ee139 106 BYTE drive; /* Physical drive number */
cgraham 0:d69efd0ee139 107 BYTE winflag; /* win[] dirty flag (1:must be written back) */
cgraham 0:d69efd0ee139 108 BYTE pad1;
cgraham 0:d69efd0ee139 109 BYTE win[S_MAX_SIZ]; /* Disk access window for Directory/FAT */
cgraham 0:d69efd0ee139 110 } FATFS;
cgraham 0:d69efd0ee139 111
cgraham 0:d69efd0ee139 112
cgraham 0:d69efd0ee139 113 /* Directory object structure */
cgraham 0:d69efd0ee139 114 typedef struct _DIR {
cgraham 0:d69efd0ee139 115 WORD id; /* Owner file system mount ID */
cgraham 0:d69efd0ee139 116 WORD index; /* Current index */
cgraham 0:d69efd0ee139 117 FATFS* fs; /* Pointer to the owner file system object */
cgraham 0:d69efd0ee139 118 DWORD sclust; /* Start cluster */
cgraham 0:d69efd0ee139 119 DWORD clust; /* Current cluster */
cgraham 0:d69efd0ee139 120 DWORD sect; /* Current sector */
cgraham 0:d69efd0ee139 121 } FATFS_DIR;
cgraham 0:d69efd0ee139 122
cgraham 0:d69efd0ee139 123
cgraham 0:d69efd0ee139 124 /* File object structure */
cgraham 0:d69efd0ee139 125 typedef struct _FIL {
cgraham 0:d69efd0ee139 126 WORD id; /* Owner file system mount ID */
cgraham 0:d69efd0ee139 127 BYTE flag; /* File status flags */
cgraham 0:d69efd0ee139 128 BYTE csect; /* Sector address in the cluster */
cgraham 0:d69efd0ee139 129 FATFS* fs; /* Pointer to the owner file system object */
cgraham 0:d69efd0ee139 130 DWORD fptr; /* File R/W pointer */
cgraham 0:d69efd0ee139 131 DWORD fsize; /* File size */
cgraham 0:d69efd0ee139 132 DWORD org_clust; /* File start cluster */
cgraham 0:d69efd0ee139 133 DWORD curr_clust; /* Current cluster */
cgraham 0:d69efd0ee139 134 DWORD curr_sect; /* Current sector */
cgraham 0:d69efd0ee139 135 #if _FS_READONLY == 0
cgraham 0:d69efd0ee139 136 DWORD dir_sect; /* Sector containing the directory entry */
cgraham 0:d69efd0ee139 137 BYTE* dir_ptr; /* Ponter to the directory entry in the window */
cgraham 0:d69efd0ee139 138 #endif
cgraham 0:d69efd0ee139 139 BYTE buffer[S_MAX_SIZ]; /* File R/W buffer */
cgraham 0:d69efd0ee139 140 } FIL;
cgraham 0:d69efd0ee139 141
cgraham 0:d69efd0ee139 142
cgraham 0:d69efd0ee139 143 /* File status structure */
cgraham 0:d69efd0ee139 144 typedef struct _FILINFO {
cgraham 0:d69efd0ee139 145 DWORD fsize; /* Size */
cgraham 0:d69efd0ee139 146 WORD fdate; /* Date */
cgraham 0:d69efd0ee139 147 WORD ftime; /* Time */
cgraham 0:d69efd0ee139 148 BYTE fattrib; /* Attribute */
cgraham 0:d69efd0ee139 149 char fname[8+1+3+1]; /* Name (8.3 format) */
cgraham 0:d69efd0ee139 150 } FILINFO;
cgraham 0:d69efd0ee139 151
cgraham 0:d69efd0ee139 152
cgraham 0:d69efd0ee139 153
cgraham 0:d69efd0ee139 154 /* Definitions corresponds to multi partition */
cgraham 0:d69efd0ee139 155
cgraham 0:d69efd0ee139 156 #if _MULTI_PARTITION != 0 /* Multiple partition cfg */
cgraham 0:d69efd0ee139 157
cgraham 0:d69efd0ee139 158 typedef struct _PARTITION {
cgraham 0:d69efd0ee139 159 BYTE pd; /* Physical drive # (0-255) */
cgraham 0:d69efd0ee139 160 BYTE pt; /* Partition # (0-3) */
cgraham 0:d69efd0ee139 161 } PARTITION;
cgraham 0:d69efd0ee139 162 extern
cgraham 0:d69efd0ee139 163 const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
cgraham 0:d69efd0ee139 164 #define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
cgraham 0:d69efd0ee139 165 #define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
cgraham 0:d69efd0ee139 166
cgraham 0:d69efd0ee139 167 #else /* Single partition cfg */
cgraham 0:d69efd0ee139 168
cgraham 0:d69efd0ee139 169 #define LD2PD(drv) (drv) /* Physical drive# is equal to logical drive# */
cgraham 0:d69efd0ee139 170 #define LD2PT(drv) 0 /* Always mounts the 1st partition */
cgraham 0:d69efd0ee139 171
cgraham 0:d69efd0ee139 172 #endif
cgraham 0:d69efd0ee139 173
cgraham 0:d69efd0ee139 174
cgraham 0:d69efd0ee139 175 /* File function return code (FRESULT) */
cgraham 0:d69efd0ee139 176
cgraham 0:d69efd0ee139 177 typedef enum {
cgraham 0:d69efd0ee139 178 FR_OK = 0, /* 0 */
cgraham 0:d69efd0ee139 179 FR_NOT_READY, /* 1 */
cgraham 0:d69efd0ee139 180 FR_NO_FILE, /* 2 */
cgraham 0:d69efd0ee139 181 FR_NO_PATH, /* 3 */
cgraham 0:d69efd0ee139 182 FR_INVALID_NAME, /* 4 */
cgraham 0:d69efd0ee139 183 FR_INVALID_DRIVE, /* 5 */
cgraham 0:d69efd0ee139 184 FR_DENIED, /* 6 */
cgraham 0:d69efd0ee139 185 FR_EXIST, /* 7 */
cgraham 0:d69efd0ee139 186 FR_RW_ERROR, /* 8 */
cgraham 0:d69efd0ee139 187 FR_WRITE_PROTECTED, /* 9 */
cgraham 0:d69efd0ee139 188 FR_NOT_ENABLED, /* 10 */
cgraham 0:d69efd0ee139 189 FR_NO_FILESYSTEM, /* 11 */
cgraham 0:d69efd0ee139 190 FR_INVALID_OBJECT, /* 12 */
cgraham 0:d69efd0ee139 191 FR_MKFS_ABORTED /* 13 */
cgraham 0:d69efd0ee139 192 } FRESULT;
cgraham 0:d69efd0ee139 193
cgraham 0:d69efd0ee139 194
cgraham 0:d69efd0ee139 195
cgraham 0:d69efd0ee139 196 /*-----------------------------------------------------*/
cgraham 0:d69efd0ee139 197 /* FatFs module application interface */
cgraham 0:d69efd0ee139 198
cgraham 0:d69efd0ee139 199 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
cgraham 0:d69efd0ee139 200 FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
cgraham 0:d69efd0ee139 201 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
cgraham 0:d69efd0ee139 202 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
cgraham 0:d69efd0ee139 203 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
cgraham 0:d69efd0ee139 204 FRESULT f_close (FIL*); /* Close an open file object */
cgraham 0:d69efd0ee139 205 FRESULT f_opendir (FATFS_DIR*, const char*); /* Open an existing directory */
cgraham 0:d69efd0ee139 206 FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
cgraham 0:d69efd0ee139 207 FRESULT f_stat (const char*, FILINFO*); /* Get file status */
cgraham 0:d69efd0ee139 208 FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
cgraham 0:d69efd0ee139 209 FRESULT f_truncate (FIL*); /* Truncate file */
cgraham 0:d69efd0ee139 210 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
cgraham 0:d69efd0ee139 211 FRESULT f_unlink (const char*); /* Delete an existing file or directory */
cgraham 0:d69efd0ee139 212 FRESULT f_mkdir (const char*); /* Create a new directory */
cgraham 0:d69efd0ee139 213 FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */
cgraham 0:d69efd0ee139 214 FRESULT f_utime (const char*, const FILINFO*); /* Change file/dir timestamp */
cgraham 0:d69efd0ee139 215 FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
cgraham 0:d69efd0ee139 216 FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
cgraham 0:d69efd0ee139 217 #if _USE_STRFUNC
cgraham 0:d69efd0ee139 218 #define feof(fp) ((fp)->fptr == (fp)->fsize)
cgraham 0:d69efd0ee139 219 #define EOF -1
cgraham 0:d69efd0ee139 220 int fputc (int, FIL*); /* Put a character to the file */
cgraham 0:d69efd0ee139 221 int fputs (const char*, FIL*); /* Put a string to the file */
cgraham 0:d69efd0ee139 222 int fprintf (FIL*, const char*, ...); /* Put a formatted string to the file */
cgraham 0:d69efd0ee139 223 char* fgets (char*, int, FIL*); /* Get a string from the file */
cgraham 0:d69efd0ee139 224 #endif
cgraham 0:d69efd0ee139 225
cgraham 0:d69efd0ee139 226 /* User defined function to give a current time to fatfs module */
cgraham 0:d69efd0ee139 227
cgraham 0:d69efd0ee139 228 DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
cgraham 0:d69efd0ee139 229 /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
cgraham 0:d69efd0ee139 230
cgraham 0:d69efd0ee139 231
cgraham 0:d69efd0ee139 232
cgraham 0:d69efd0ee139 233 /* File access control and file status flags (FIL.flag) */
cgraham 0:d69efd0ee139 234
cgraham 0:d69efd0ee139 235 #define FA_READ 0x01
cgraham 0:d69efd0ee139 236 #define FA_OPEN_EXISTING 0x00
cgraham 0:d69efd0ee139 237 #if _FS_READONLY == 0
cgraham 0:d69efd0ee139 238 #define FA_WRITE 0x02
cgraham 0:d69efd0ee139 239 #define FA_CREATE_NEW 0x04
cgraham 0:d69efd0ee139 240 #define FA_CREATE_ALWAYS 0x08
cgraham 0:d69efd0ee139 241 #define FA_OPEN_ALWAYS 0x10
cgraham 0:d69efd0ee139 242 #define FA__WRITTEN 0x20
cgraham 0:d69efd0ee139 243 #define FA__DIRTY 0x40
cgraham 0:d69efd0ee139 244 #endif
cgraham 0:d69efd0ee139 245 #define FA__ERROR 0x80
cgraham 0:d69efd0ee139 246
cgraham 0:d69efd0ee139 247
cgraham 0:d69efd0ee139 248 /* FAT sub type (FATFS.fs_type) */
cgraham 0:d69efd0ee139 249
cgraham 0:d69efd0ee139 250 #define FS_FAT12 1
cgraham 0:d69efd0ee139 251 #define FS_FAT16 2
cgraham 0:d69efd0ee139 252 #define FS_FAT32 3
cgraham 0:d69efd0ee139 253
cgraham 0:d69efd0ee139 254
cgraham 0:d69efd0ee139 255 /* File attribute bits for directory entry */
cgraham 0:d69efd0ee139 256
cgraham 0:d69efd0ee139 257 #define AM_RDO 0x01 /* Read only */
cgraham 0:d69efd0ee139 258 #define AM_HID 0x02 /* Hidden */
cgraham 0:d69efd0ee139 259 #define AM_SYS 0x04 /* System */
cgraham 0:d69efd0ee139 260 #define AM_VOL 0x08 /* Volume label */
cgraham 0:d69efd0ee139 261 #define AM_LFN 0x0F /* LFN entry */
cgraham 0:d69efd0ee139 262 #define AM_DIR 0x10 /* Directory */
cgraham 0:d69efd0ee139 263 #define AM_ARC 0x20 /* Archive */
cgraham 0:d69efd0ee139 264
cgraham 0:d69efd0ee139 265
cgraham 0:d69efd0ee139 266
cgraham 0:d69efd0ee139 267 /* Offset of FAT structure members */
cgraham 0:d69efd0ee139 268
cgraham 0:d69efd0ee139 269 #define BS_jmpBoot 0
cgraham 0:d69efd0ee139 270 #define BS_OEMName 3
cgraham 0:d69efd0ee139 271 #define BPB_BytsPerSec 11
cgraham 0:d69efd0ee139 272 #define BPB_SecPerClus 13
cgraham 0:d69efd0ee139 273 #define BPB_RsvdSecCnt 14
cgraham 0:d69efd0ee139 274 #define BPB_NumFATs 16
cgraham 0:d69efd0ee139 275 #define BPB_RootEntCnt 17
cgraham 0:d69efd0ee139 276 #define BPB_TotSec16 19
cgraham 0:d69efd0ee139 277 #define BPB_Media 21
cgraham 0:d69efd0ee139 278 #define BPB_FATSz16 22
cgraham 0:d69efd0ee139 279 #define BPB_SecPerTrk 24
cgraham 0:d69efd0ee139 280 #define BPB_NumHeads 26
cgraham 0:d69efd0ee139 281 #define BPB_HiddSec 28
cgraham 0:d69efd0ee139 282 #define BPB_TotSec32 32
cgraham 0:d69efd0ee139 283 #define BS_55AA 510
cgraham 0:d69efd0ee139 284
cgraham 0:d69efd0ee139 285 #define BS_DrvNum 36
cgraham 0:d69efd0ee139 286 #define BS_BootSig 38
cgraham 0:d69efd0ee139 287 #define BS_VolID 39
cgraham 0:d69efd0ee139 288 #define BS_VolLab 43
cgraham 0:d69efd0ee139 289 #define BS_FilSysType 54
cgraham 0:d69efd0ee139 290
cgraham 0:d69efd0ee139 291 #define BPB_FATSz32 36
cgraham 0:d69efd0ee139 292 #define BPB_ExtFlags 40
cgraham 0:d69efd0ee139 293 #define BPB_FSVer 42
cgraham 0:d69efd0ee139 294 #define BPB_RootClus 44
cgraham 0:d69efd0ee139 295 #define BPB_FSInfo 48
cgraham 0:d69efd0ee139 296 #define BPB_BkBootSec 50
cgraham 0:d69efd0ee139 297 #define BS_DrvNum32 64
cgraham 0:d69efd0ee139 298 #define BS_BootSig32 66
cgraham 0:d69efd0ee139 299 #define BS_VolID32 67
cgraham 0:d69efd0ee139 300 #define BS_VolLab32 71
cgraham 0:d69efd0ee139 301 #define BS_FilSysType32 82
cgraham 0:d69efd0ee139 302
cgraham 0:d69efd0ee139 303 #define FSI_LeadSig 0
cgraham 0:d69efd0ee139 304 #define FSI_StrucSig 484
cgraham 0:d69efd0ee139 305 #define FSI_Free_Count 488
cgraham 0:d69efd0ee139 306 #define FSI_Nxt_Free 492
cgraham 0:d69efd0ee139 307
cgraham 0:d69efd0ee139 308 #define MBR_Table 446
cgraham 0:d69efd0ee139 309
cgraham 0:d69efd0ee139 310 #define DIR_Name 0
cgraham 0:d69efd0ee139 311 #define DIR_Attr 11
cgraham 0:d69efd0ee139 312 #define DIR_NTres 12
cgraham 0:d69efd0ee139 313 #define DIR_CrtTime 14
cgraham 0:d69efd0ee139 314 #define DIR_CrtDate 16
cgraham 0:d69efd0ee139 315 #define DIR_FstClusHI 20
cgraham 0:d69efd0ee139 316 #define DIR_WrtTime 22
cgraham 0:d69efd0ee139 317 #define DIR_WrtDate 24
cgraham 0:d69efd0ee139 318 #define DIR_FstClusLO 26
cgraham 0:d69efd0ee139 319 #define DIR_FileSize 28
cgraham 0:d69efd0ee139 320
cgraham 0:d69efd0ee139 321
cgraham 0:d69efd0ee139 322
cgraham 0:d69efd0ee139 323 /* Multi-byte word access macros */
cgraham 0:d69efd0ee139 324
cgraham 0:d69efd0ee139 325 #if _MCU_ENDIAN == 1 /* Use word access */
cgraham 0:d69efd0ee139 326 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
cgraham 0:d69efd0ee139 327 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
cgraham 0:d69efd0ee139 328 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
cgraham 0:d69efd0ee139 329 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
cgraham 0:d69efd0ee139 330 #elif _MCU_ENDIAN == 2 /* Use byte-by-byte access */
cgraham 0:d69efd0ee139 331 #define LD_WORD(ptr) (WORD)(((WORD)*(volatile BYTE*)((ptr)+1)<<8)|(WORD)*(volatile BYTE*)(ptr))
cgraham 0:d69efd0ee139 332 #define LD_DWORD(ptr) (DWORD)(((DWORD)*(volatile BYTE*)((ptr)+3)<<24)|((DWORD)*(volatile BYTE*)((ptr)+2)<<16)|((WORD)*(volatile BYTE*)((ptr)+1)<<8)|*(volatile BYTE*)(ptr))
cgraham 0:d69efd0ee139 333 #define ST_WORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
cgraham 0:d69efd0ee139 334 #define ST_DWORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(volatile BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(volatile BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
cgraham 0:d69efd0ee139 335 #else
cgraham 0:d69efd0ee139 336 #error Do not forget to set _MCU_ENDIAN properly!
cgraham 0:d69efd0ee139 337 #endif
cgraham 0:d69efd0ee139 338
cgraham 0:d69efd0ee139 339 #ifdef __cplusplus
cgraham 0:d69efd0ee139 340 };
cgraham 0:d69efd0ee139 341 #endif
cgraham 0:d69efd0ee139 342
cgraham 0:d69efd0ee139 343 #define _FATFS
cgraham 0:d69efd0ee139 344 #endif /* _FATFS */