virtualmech / Mbed 2 deprecated vmConfort_v6

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Dependencies:   ADXL345 Display1602 MSCFileSystem SDFileSystem mbed FATFileSystem

SDFileSystem/FATFileSystem/ff.h@2:cc4a43d806e2, 2014-06-06 (annotated)

Committer:
JuanManuelAmador
Date:
Fri Jun 06 08:52:28 2014 +0000
Revision:
2:cc4a43d806e2
Parent:
0:a5367bd4e404 
Correci?n del baudrate de 112500 a 115200

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jjmedina 0:a5367bd4e404 1 /*--------------------------------------------------------------------------/
jjmedina 0:a5367bd4e404 2 / FatFs - FAT file system module include file R0.06 (C)ChaN, 2008
jjmedina 0:a5367bd4e404 3 /---------------------------------------------------------------------------/
jjmedina 0:a5367bd4e404 4 / FatFs module is an experimenal project to implement FAT file system to
jjmedina 0:a5367bd4e404 5 / cheap microcontrollers. This is a free software and is opened for education,
jjmedina 0:a5367bd4e404 6 / research and development under license policy of following trems.
jjmedina 0:a5367bd4e404 7 /
jjmedina 0:a5367bd4e404 8 / Copyright (C) 2008, ChaN, all right reserved.
jjmedina 0:a5367bd4e404 9 /
jjmedina 0:a5367bd4e404 10 / * The FatFs module is a free software and there is no warranty.
jjmedina 0:a5367bd4e404 11 / * You can use, modify and/or redistribute it for personal, non-profit or
jjmedina 0:a5367bd4e404 12 / commercial use without any restriction under your responsibility.
jjmedina 0:a5367bd4e404 13 / * Redistributions of source code must retain the above copyright notice.
jjmedina 0:a5367bd4e404 14 /
jjmedina 0:a5367bd4e404 15 /---------------------------------------------------------------------------*/
jjmedina 0:a5367bd4e404 16
jjmedina 0:a5367bd4e404 17 #ifndef _FATFS
jjmedina 0:a5367bd4e404 18
jjmedina 0:a5367bd4e404 19 #define _MCU_ENDIAN 2
jjmedina 0:a5367bd4e404 20 /* The _MCU_ENDIAN defines which access method is used to the FAT structure.
jjmedina 0:a5367bd4e404 21 / 1: Enable word access.
jjmedina 0:a5367bd4e404 22 / 2: Disable word access and use byte-by-byte access instead.
jjmedina 0:a5367bd4e404 23 / When the architectural byte order of the MCU is big-endian and/or address
jjmedina 0:a5367bd4e404 24 / miss-aligned access results incorrect behavior, the _MCU_ENDIAN must be set to 2.
jjmedina 0:a5367bd4e404 25 / If it is not the case, it can also be set to 1 for good code efficiency. */
jjmedina 0:a5367bd4e404 26
jjmedina 0:a5367bd4e404 27 #define _FS_READONLY 0
jjmedina 0:a5367bd4e404 28 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
jjmedina 0:a5367bd4e404 29 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
jjmedina 0:a5367bd4e404 30 / f_truncate and useless f_getfree. */
jjmedina 0:a5367bd4e404 31
jjmedina 0:a5367bd4e404 32 #define _FS_MINIMIZE 0
jjmedina 0:a5367bd4e404 33 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
jjmedina 0:a5367bd4e404 34 / 0: Full function.
jjmedina 0:a5367bd4e404 35 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename are removed.
jjmedina 0:a5367bd4e404 36 / 2: f_opendir and f_readdir are removed in addition to level 1.
jjmedina 0:a5367bd4e404 37 / 3: f_lseek is removed in addition to level 2. */
jjmedina 0:a5367bd4e404 38
jjmedina 0:a5367bd4e404 39 #define _USE_STRFUNC 0
jjmedina 0:a5367bd4e404 40 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
jjmedina 0:a5367bd4e404 41
jjmedina 0:a5367bd4e404 42 #define _USE_MKFS 1
jjmedina 0:a5367bd4e404 43 /* When _USE_MKFS is set to 1 and _FS_READONLY is set to 0, f_mkfs function is
jjmedina 0:a5367bd4e404 44 / enabled. */
jjmedina 0:a5367bd4e404 45
jjmedina 0:a5367bd4e404 46 #define _DRIVES 4
jjmedina 0:a5367bd4e404 47 /* Number of logical drives to be used. This affects the size of internal table. */
jjmedina 0:a5367bd4e404 48
jjmedina 0:a5367bd4e404 49 #define _MULTI_PARTITION 0
jjmedina 0:a5367bd4e404 50 /* When _MULTI_PARTITION is set to 0, each logical drive is bound to same
jjmedina 0:a5367bd4e404 51 / physical drive number and can mount only 1st primaly partition. When it is
jjmedina 0:a5367bd4e404 52 / set to 1, each logical drive can mount a partition listed in Drives[]. */
jjmedina 0:a5367bd4e404 53
jjmedina 0:a5367bd4e404 54 #define _USE_FSINFO 0
jjmedina 0:a5367bd4e404 55 /* To enable FSInfo support on FAT32 volume, set _USE_FSINFO to 1. */
jjmedina 0:a5367bd4e404 56
jjmedina 0:a5367bd4e404 57 #define _USE_SJIS 1
jjmedina 0:a5367bd4e404 58 /* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise
jjmedina 0:a5367bd4e404 59 / only US-ASCII(7bit) code can be accepted as file/directory name. */
jjmedina 0:a5367bd4e404 60
jjmedina 0:a5367bd4e404 61 #define _USE_NTFLAG 1
jjmedina 0:a5367bd4e404 62 /* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved.
jjmedina 0:a5367bd4e404 63 / Note that the files are always accessed in case insensitive. */
jjmedina 0:a5367bd4e404 64
jjmedina 0:a5367bd4e404 65
jjmedina 0:a5367bd4e404 66 #include "integer.h"
jjmedina 0:a5367bd4e404 67
jjmedina 0:a5367bd4e404 68 #ifdef __cplusplus
jjmedina 0:a5367bd4e404 69 extern "C" {
jjmedina 0:a5367bd4e404 70 #endif
jjmedina 0:a5367bd4e404 71
jjmedina 0:a5367bd4e404 72 /* Definitions corresponds to multiple sector size (not tested) */
jjmedina 0:a5367bd4e404 73 #define S_MAX_SIZ 512U /* Do not change */
jjmedina 0:a5367bd4e404 74 #if S_MAX_SIZ > 512U
jjmedina 0:a5367bd4e404 75 #define SS(fs) ((fs)->s_size)
jjmedina 0:a5367bd4e404 76 #else
jjmedina 0:a5367bd4e404 77 #define SS(fs) 512U
jjmedina 0:a5367bd4e404 78 #endif
jjmedina 0:a5367bd4e404 79
jjmedina 0:a5367bd4e404 80
jjmedina 0:a5367bd4e404 81 /* File system object structure */
jjmedina 0:a5367bd4e404 82 typedef struct _FATFS {
jjmedina 0:a5367bd4e404 83 WORD id; /* File system mount ID */
jjmedina 0:a5367bd4e404 84 WORD n_rootdir; /* Number of root directory entries */
jjmedina 0:a5367bd4e404 85 DWORD winsect; /* Current sector appearing in the win[] */
jjmedina 0:a5367bd4e404 86 DWORD sects_fat; /* Sectors per fat */
jjmedina 0:a5367bd4e404 87 DWORD max_clust; /* Maximum cluster# + 1 */
jjmedina 0:a5367bd4e404 88 DWORD fatbase; /* FAT start sector */
jjmedina 0:a5367bd4e404 89 DWORD dirbase; /* Root directory start sector (cluster# for FAT32) */
jjmedina 0:a5367bd4e404 90 DWORD database; /* Data start sector */
jjmedina 0:a5367bd4e404 91 #if !_FS_READONLY
jjmedina 0:a5367bd4e404 92 DWORD last_clust; /* Last allocated cluster */
jjmedina 0:a5367bd4e404 93 DWORD free_clust; /* Number of free clusters */
jjmedina 0:a5367bd4e404 94 #if _USE_FSINFO
jjmedina 0:a5367bd4e404 95 DWORD fsi_sector; /* fsinfo sector */
jjmedina 0:a5367bd4e404 96 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
jjmedina 0:a5367bd4e404 97 BYTE pad2;
jjmedina 0:a5367bd4e404 98 #endif
jjmedina 0:a5367bd4e404 99 #endif
jjmedina 0:a5367bd4e404 100 BYTE fs_type; /* FAT sub type */
jjmedina 0:a5367bd4e404 101 BYTE csize; /* Number of sectors per cluster */
jjmedina 0:a5367bd4e404 102 #if S_MAX_SIZ > 512U
jjmedina 0:a5367bd4e404 103 WORD s_size; /* Sector size */
jjmedina 0:a5367bd4e404 104 #endif
jjmedina 0:a5367bd4e404 105 BYTE n_fats; /* Number of FAT copies */
jjmedina 0:a5367bd4e404 106 BYTE drive; /* Physical drive number */
jjmedina 0:a5367bd4e404 107 BYTE winflag; /* win[] dirty flag (1:must be written back) */
jjmedina 0:a5367bd4e404 108 BYTE pad1;
jjmedina 0:a5367bd4e404 109 BYTE win[S_MAX_SIZ]; /* Disk access window for Directory/FAT */
jjmedina 0:a5367bd4e404 110 } FATFS;
jjmedina 0:a5367bd4e404 111
jjmedina 0:a5367bd4e404 112
jjmedina 0:a5367bd4e404 113 /* Directory object structure */
jjmedina 0:a5367bd4e404 114 typedef struct _DIR {
jjmedina 0:a5367bd4e404 115 WORD id; /* Owner file system mount ID */
jjmedina 0:a5367bd4e404 116 WORD index; /* Current index */
jjmedina 0:a5367bd4e404 117 FATFS* fs; /* Pointer to the owner file system object */
jjmedina 0:a5367bd4e404 118 DWORD sclust; /* Start cluster */
jjmedina 0:a5367bd4e404 119 DWORD clust; /* Current cluster */
jjmedina 0:a5367bd4e404 120 DWORD sect; /* Current sector */
jjmedina 0:a5367bd4e404 121 } FATFS_DIR;
jjmedina 0:a5367bd4e404 122
jjmedina 0:a5367bd4e404 123
jjmedina 0:a5367bd4e404 124 /* File object structure */
jjmedina 0:a5367bd4e404 125 typedef struct _FIL {
jjmedina 0:a5367bd4e404 126 WORD id; /* Owner file system mount ID */
jjmedina 0:a5367bd4e404 127 BYTE flag; /* File status flags */
jjmedina 0:a5367bd4e404 128 BYTE csect; /* Sector address in the cluster */
jjmedina 0:a5367bd4e404 129 FATFS* fs; /* Pointer to the owner file system object */
jjmedina 0:a5367bd4e404 130 DWORD fptr; /* File R/W pointer */
jjmedina 0:a5367bd4e404 131 DWORD fsize; /* File size */
jjmedina 0:a5367bd4e404 132 DWORD org_clust; /* File start cluster */
jjmedina 0:a5367bd4e404 133 DWORD curr_clust; /* Current cluster */
jjmedina 0:a5367bd4e404 134 DWORD curr_sect; /* Current sector */
jjmedina 0:a5367bd4e404 135 #if _FS_READONLY == 0
jjmedina 0:a5367bd4e404 136 DWORD dir_sect; /* Sector containing the directory entry */
jjmedina 0:a5367bd4e404 137 BYTE* dir_ptr; /* Ponter to the directory entry in the window */
jjmedina 0:a5367bd4e404 138 #endif
jjmedina 0:a5367bd4e404 139 BYTE buffer[S_MAX_SIZ]; /* File R/W buffer */
jjmedina 0:a5367bd4e404 140 } FIL;
jjmedina 0:a5367bd4e404 141
jjmedina 0:a5367bd4e404 142
jjmedina 0:a5367bd4e404 143 /* File status structure */
jjmedina 0:a5367bd4e404 144 typedef struct _FILINFO {
jjmedina 0:a5367bd4e404 145 DWORD fsize; /* Size */
jjmedina 0:a5367bd4e404 146 WORD fdate; /* Date */
jjmedina 0:a5367bd4e404 147 WORD ftime; /* Time */
jjmedina 0:a5367bd4e404 148 BYTE fattrib; /* Attribute */
jjmedina 0:a5367bd4e404 149 char fname[8+1+3+1]; /* Name (8.3 format) */
jjmedina 0:a5367bd4e404 150 } FILINFO;
jjmedina 0:a5367bd4e404 151
jjmedina 0:a5367bd4e404 152
jjmedina 0:a5367bd4e404 153
jjmedina 0:a5367bd4e404 154 /* Definitions corresponds to multi partition */
jjmedina 0:a5367bd4e404 155
jjmedina 0:a5367bd4e404 156 #if _MULTI_PARTITION != 0 /* Multiple partition cfg */
jjmedina 0:a5367bd4e404 157
jjmedina 0:a5367bd4e404 158 typedef struct _PARTITION {
jjmedina 0:a5367bd4e404 159 BYTE pd; /* Physical drive # (0-255) */
jjmedina 0:a5367bd4e404 160 BYTE pt; /* Partition # (0-3) */
jjmedina 0:a5367bd4e404 161 } PARTITION;
jjmedina 0:a5367bd4e404 162 extern
jjmedina 0:a5367bd4e404 163 const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
jjmedina 0:a5367bd4e404 164 #define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
jjmedina 0:a5367bd4e404 165 #define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
jjmedina 0:a5367bd4e404 166
jjmedina 0:a5367bd4e404 167 #else /* Single partition cfg */
jjmedina 0:a5367bd4e404 168
jjmedina 0:a5367bd4e404 169 #define LD2PD(drv) (drv) /* Physical drive# is equal to logical drive# */
jjmedina 0:a5367bd4e404 170 #define LD2PT(drv) 0 /* Always mounts the 1st partition */
jjmedina 0:a5367bd4e404 171
jjmedina 0:a5367bd4e404 172 #endif
jjmedina 0:a5367bd4e404 173
jjmedina 0:a5367bd4e404 174
jjmedina 0:a5367bd4e404 175 /* File function return code (FRESULT) */
jjmedina 0:a5367bd4e404 176
jjmedina 0:a5367bd4e404 177 typedef enum {
jjmedina 0:a5367bd4e404 178 FR_OK = 0, /* 0 */
jjmedina 0:a5367bd4e404 179 FR_NOT_READY, /* 1 */
jjmedina 0:a5367bd4e404 180 FR_NO_FILE, /* 2 */
jjmedina 0:a5367bd4e404 181 FR_NO_PATH, /* 3 */
jjmedina 0:a5367bd4e404 182 FR_INVALID_NAME, /* 4 */
jjmedina 0:a5367bd4e404 183 FR_INVALID_DRIVE, /* 5 */
jjmedina 0:a5367bd4e404 184 FR_DENIED, /* 6 */
jjmedina 0:a5367bd4e404 185 FR_EXIST, /* 7 */
jjmedina 0:a5367bd4e404 186 FR_RW_ERROR, /* 8 */
jjmedina 0:a5367bd4e404 187 FR_WRITE_PROTECTED, /* 9 */
jjmedina 0:a5367bd4e404 188 FR_NOT_ENABLED, /* 10 */
jjmedina 0:a5367bd4e404 189 FR_NO_FILESYSTEM, /* 11 */
jjmedina 0:a5367bd4e404 190 FR_INVALID_OBJECT, /* 12 */
jjmedina 0:a5367bd4e404 191 FR_MKFS_ABORTED /* 13 */
jjmedina 0:a5367bd4e404 192 } FRESULT;
jjmedina 0:a5367bd4e404 193
jjmedina 0:a5367bd4e404 194
jjmedina 0:a5367bd4e404 195
jjmedina 0:a5367bd4e404 196 /*-----------------------------------------------------*/
jjmedina 0:a5367bd4e404 197 /* FatFs module application interface */
jjmedina 0:a5367bd4e404 198
jjmedina 0:a5367bd4e404 199 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
jjmedina 0:a5367bd4e404 200 FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
jjmedina 0:a5367bd4e404 201 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
jjmedina 0:a5367bd4e404 202 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
jjmedina 0:a5367bd4e404 203 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
jjmedina 0:a5367bd4e404 204 FRESULT f_close (FIL*); /* Close an open file object */
jjmedina 0:a5367bd4e404 205 FRESULT f_opendir (FATFS_DIR*, const char*); /* Open an existing directory */
jjmedina 0:a5367bd4e404 206 FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
jjmedina 0:a5367bd4e404 207 FRESULT f_stat (const char*, FILINFO*); /* Get file status */
jjmedina 0:a5367bd4e404 208 FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
jjmedina 0:a5367bd4e404 209 FRESULT f_truncate (FIL*); /* Truncate file */
jjmedina 0:a5367bd4e404 210 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
jjmedina 0:a5367bd4e404 211 FRESULT f_unlink (const char*); /* Delete an existing file or directory */
jjmedina 0:a5367bd4e404 212 FRESULT f_mkdir (const char*); /* Create a new directory */
jjmedina 0:a5367bd4e404 213 FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */
jjmedina 0:a5367bd4e404 214 FRESULT f_utime (const char*, const FILINFO*); /* Change file/dir timestamp */
jjmedina 0:a5367bd4e404 215 FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
jjmedina 0:a5367bd4e404 216 FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
jjmedina 0:a5367bd4e404 217 #if _USE_STRFUNC
jjmedina 0:a5367bd4e404 218 #define feof(fp) ((fp)->fptr == (fp)->fsize)
jjmedina 0:a5367bd4e404 219 #define EOF -1
jjmedina 0:a5367bd4e404 220 int fputc (int, FIL*); /* Put a character to the file */
jjmedina 0:a5367bd4e404 221 int fputs (const char*, FIL*); /* Put a string to the file */
jjmedina 0:a5367bd4e404 222 int fprintf (FIL*, const char*, ...); /* Put a formatted string to the file */
jjmedina 0:a5367bd4e404 223 char* fgets (char*, int, FIL*); /* Get a string from the file */
jjmedina 0:a5367bd4e404 224 #endif
jjmedina 0:a5367bd4e404 225
jjmedina 0:a5367bd4e404 226 /* User defined function to give a current time to fatfs module */
jjmedina 0:a5367bd4e404 227
jjmedina 0:a5367bd4e404 228 DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
jjmedina 0:a5367bd4e404 229 /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
jjmedina 0:a5367bd4e404 230
jjmedina 0:a5367bd4e404 231
jjmedina 0:a5367bd4e404 232
jjmedina 0:a5367bd4e404 233 /* File access control and file status flags (FIL.flag) */
jjmedina 0:a5367bd4e404 234
jjmedina 0:a5367bd4e404 235 #define FA_READ 0x01
jjmedina 0:a5367bd4e404 236 #define FA_OPEN_EXISTING 0x00
jjmedina 0:a5367bd4e404 237 #if _FS_READONLY == 0
jjmedina 0:a5367bd4e404 238 #define FA_WRITE 0x02
jjmedina 0:a5367bd4e404 239 #define FA_CREATE_NEW 0x04
jjmedina 0:a5367bd4e404 240 #define FA_CREATE_ALWAYS 0x08
jjmedina 0:a5367bd4e404 241 #define FA_OPEN_ALWAYS 0x10
jjmedina 0:a5367bd4e404 242 #define FA__WRITTEN 0x20
jjmedina 0:a5367bd4e404 243 #define FA__DIRTY 0x40
jjmedina 0:a5367bd4e404 244 #endif
jjmedina 0:a5367bd4e404 245 #define FA__ERROR 0x80
jjmedina 0:a5367bd4e404 246
jjmedina 0:a5367bd4e404 247
jjmedina 0:a5367bd4e404 248 /* FAT sub type (FATFS.fs_type) */
jjmedina 0:a5367bd4e404 249
jjmedina 0:a5367bd4e404 250 #define FS_FAT12 1
jjmedina 0:a5367bd4e404 251 #define FS_FAT16 2
jjmedina 0:a5367bd4e404 252 #define FS_FAT32 3
jjmedina 0:a5367bd4e404 253
jjmedina 0:a5367bd4e404 254
jjmedina 0:a5367bd4e404 255 /* File attribute bits for directory entry */
jjmedina 0:a5367bd4e404 256
jjmedina 0:a5367bd4e404 257 #define AM_RDO 0x01 /* Read only */
jjmedina 0:a5367bd4e404 258 #define AM_HID 0x02 /* Hidden */
jjmedina 0:a5367bd4e404 259 #define AM_SYS 0x04 /* System */
jjmedina 0:a5367bd4e404 260 #define AM_VOL 0x08 /* Volume label */
jjmedina 0:a5367bd4e404 261 #define AM_LFN 0x0F /* LFN entry */
jjmedina 0:a5367bd4e404 262 #define AM_DIR 0x10 /* Directory */
jjmedina 0:a5367bd4e404 263 #define AM_ARC 0x20 /* Archive */
jjmedina 0:a5367bd4e404 264
jjmedina 0:a5367bd4e404 265
jjmedina 0:a5367bd4e404 266
jjmedina 0:a5367bd4e404 267 /* Offset of FAT structure members */
jjmedina 0:a5367bd4e404 268
jjmedina 0:a5367bd4e404 269 #define BS_jmpBoot 0
jjmedina 0:a5367bd4e404 270 #define BS_OEMName 3
jjmedina 0:a5367bd4e404 271 #define BPB_BytsPerSec 11
jjmedina 0:a5367bd4e404 272 #define BPB_SecPerClus 13
jjmedina 0:a5367bd4e404 273 #define BPB_RsvdSecCnt 14
jjmedina 0:a5367bd4e404 274 #define BPB_NumFATs 16
jjmedina 0:a5367bd4e404 275 #define BPB_RootEntCnt 17
jjmedina 0:a5367bd4e404 276 #define BPB_TotSec16 19
jjmedina 0:a5367bd4e404 277 #define BPB_Media 21
jjmedina 0:a5367bd4e404 278 #define BPB_FATSz16 22
jjmedina 0:a5367bd4e404 279 #define BPB_SecPerTrk 24
jjmedina 0:a5367bd4e404 280 #define BPB_NumHeads 26
jjmedina 0:a5367bd4e404 281 #define BPB_HiddSec 28
jjmedina 0:a5367bd4e404 282 #define BPB_TotSec32 32
jjmedina 0:a5367bd4e404 283 #define BS_55AA 510
jjmedina 0:a5367bd4e404 284
jjmedina 0:a5367bd4e404 285 #define BS_DrvNum 36
jjmedina 0:a5367bd4e404 286 #define BS_BootSig 38
jjmedina 0:a5367bd4e404 287 #define BS_VolID 39
jjmedina 0:a5367bd4e404 288 #define BS_VolLab 43
jjmedina 0:a5367bd4e404 289 #define BS_FilSysType 54
jjmedina 0:a5367bd4e404 290
jjmedina 0:a5367bd4e404 291 #define BPB_FATSz32 36
jjmedina 0:a5367bd4e404 292 #define BPB_ExtFlags 40
jjmedina 0:a5367bd4e404 293 #define BPB_FSVer 42
jjmedina 0:a5367bd4e404 294 #define BPB_RootClus 44
jjmedina 0:a5367bd4e404 295 #define BPB_FSInfo 48
jjmedina 0:a5367bd4e404 296 #define BPB_BkBootSec 50
jjmedina 0:a5367bd4e404 297 #define BS_DrvNum32 64
jjmedina 0:a5367bd4e404 298 #define BS_BootSig32 66
jjmedina 0:a5367bd4e404 299 #define BS_VolID32 67
jjmedina 0:a5367bd4e404 300 #define BS_VolLab32 71
jjmedina 0:a5367bd4e404 301 #define BS_FilSysType32 82
jjmedina 0:a5367bd4e404 302
jjmedina 0:a5367bd4e404 303 #define FSI_LeadSig 0
jjmedina 0:a5367bd4e404 304 #define FSI_StrucSig 484
jjmedina 0:a5367bd4e404 305 #define FSI_Free_Count 488
jjmedina 0:a5367bd4e404 306 #define FSI_Nxt_Free 492
jjmedina 0:a5367bd4e404 307
jjmedina 0:a5367bd4e404 308 #define MBR_Table 446
jjmedina 0:a5367bd4e404 309
jjmedina 0:a5367bd4e404 310 #define DIR_Name 0
jjmedina 0:a5367bd4e404 311 #define DIR_Attr 11
jjmedina 0:a5367bd4e404 312 #define DIR_NTres 12
jjmedina 0:a5367bd4e404 313 #define DIR_CrtTime 14
jjmedina 0:a5367bd4e404 314 #define DIR_CrtDate 16
jjmedina 0:a5367bd4e404 315 #define DIR_FstClusHI 20
jjmedina 0:a5367bd4e404 316 #define DIR_WrtTime 22
jjmedina 0:a5367bd4e404 317 #define DIR_WrtDate 24
jjmedina 0:a5367bd4e404 318 #define DIR_FstClusLO 26
jjmedina 0:a5367bd4e404 319 #define DIR_FileSize 28
jjmedina 0:a5367bd4e404 320
jjmedina 0:a5367bd4e404 321
jjmedina 0:a5367bd4e404 322
jjmedina 0:a5367bd4e404 323 /* Multi-byte word access macros */
jjmedina 0:a5367bd4e404 324
jjmedina 0:a5367bd4e404 325 #if _MCU_ENDIAN == 1 /* Use word access */
jjmedina 0:a5367bd4e404 326 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
jjmedina 0:a5367bd4e404 327 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
jjmedina 0:a5367bd4e404 328 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
jjmedina 0:a5367bd4e404 329 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
jjmedina 0:a5367bd4e404 330 #elif _MCU_ENDIAN == 2 /* Use byte-by-byte access */
jjmedina 0:a5367bd4e404 331 #define LD_WORD(ptr) (WORD)(((WORD)*(volatile BYTE*)((ptr)+1)<<8)|(WORD)*(volatile BYTE*)(ptr))
jjmedina 0:a5367bd4e404 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))
jjmedina 0:a5367bd4e404 333 #define ST_WORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
jjmedina 0:a5367bd4e404 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)
jjmedina 0:a5367bd4e404 335 #else
jjmedina 0:a5367bd4e404 336 #error Do not forget to set _MCU_ENDIAN properly!
jjmedina 0:a5367bd4e404 337 #endif
jjmedina 0:a5367bd4e404 338
jjmedina 0:a5367bd4e404 339 #ifdef __cplusplus
jjmedina 0:a5367bd4e404 340 };
jjmedina 0:a5367bd4e404 341 #endif
jjmedina 0:a5367bd4e404 342
jjmedina 0:a5367bd4e404 343 #define _FATFS
jjmedina 0:a5367bd4e404 344 #endif /* _FATFS */