MRD Lab / SpindleBot_1_5b

A code for the spindling of bots.

Dependencies:   MX12 ServoRingBuffer mbed-src

Fork of SpindleBot by MRD Lab

SDFileSystem/FATFileSystem/ChaN/ff.h@4:e44ac08027bd, 2015-04-06 (annotated)

Committer:
labmrd
Date:
Mon Apr 06 21:23:36 2015 +0000
Revision:
4:e44ac08027bd
This is the state of the art before Rod busted in, Kool Aid Man Style, and blew the whole shebang wigitty-wide open.  From now on, we worship at the alter of the Two State Solution as proposed by Dr. Rod Dockter Master of Science.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
labmrd 4:e44ac08027bd 1 /*---------------------------------------------------------------------------/
labmrd 4:e44ac08027bd 2 / FatFs - FAT file system module include file R0.09a (C)ChaN, 2012
labmrd 4:e44ac08027bd 3 /----------------------------------------------------------------------------/
labmrd 4:e44ac08027bd 4 / FatFs module is a generic FAT file system module for small embedded systems.
labmrd 4:e44ac08027bd 5 / This is a free software that opened for education, research and commercial
labmrd 4:e44ac08027bd 6 / developments under license policy of following terms.
labmrd 4:e44ac08027bd 7 /
labmrd 4:e44ac08027bd 8 / Copyright (C) 2012, ChaN, all right reserved.
labmrd 4:e44ac08027bd 9 /
labmrd 4:e44ac08027bd 10 / * The FatFs module is a free software and there is NO WARRANTY.
labmrd 4:e44ac08027bd 11 / * No restriction on use. You can use, modify and redistribute it for
labmrd 4:e44ac08027bd 12 / personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
labmrd 4:e44ac08027bd 13 / * Redistributions of source code must retain the above copyright notice.
labmrd 4:e44ac08027bd 14 /
labmrd 4:e44ac08027bd 15 /----------------------------------------------------------------------------*/
labmrd 4:e44ac08027bd 16
labmrd 4:e44ac08027bd 17 #ifndef _FATFS
labmrd 4:e44ac08027bd 18 #define _FATFS 4004 /* Revision ID */
labmrd 4:e44ac08027bd 19
labmrd 4:e44ac08027bd 20 #ifdef __cplusplus
labmrd 4:e44ac08027bd 21 extern "C" {
labmrd 4:e44ac08027bd 22 #endif
labmrd 4:e44ac08027bd 23
labmrd 4:e44ac08027bd 24 #include "integer.h" /* Basic integer types */
labmrd 4:e44ac08027bd 25 #include "ffconf.h" /* FatFs configuration options */
labmrd 4:e44ac08027bd 26
labmrd 4:e44ac08027bd 27 #if _FATFS != _FFCONF
labmrd 4:e44ac08027bd 28 #error Wrong configuration file (ffconf.h).
labmrd 4:e44ac08027bd 29 #endif
labmrd 4:e44ac08027bd 30
labmrd 4:e44ac08027bd 31
labmrd 4:e44ac08027bd 32
labmrd 4:e44ac08027bd 33 /* Definitions of volume management */
labmrd 4:e44ac08027bd 34
labmrd 4:e44ac08027bd 35 #if _MULTI_PARTITION /* Multiple partition configuration */
labmrd 4:e44ac08027bd 36 typedef struct {
labmrd 4:e44ac08027bd 37 BYTE pd; /* Physical drive number */
labmrd 4:e44ac08027bd 38 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
labmrd 4:e44ac08027bd 39 } PARTITION;
labmrd 4:e44ac08027bd 40 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
labmrd 4:e44ac08027bd 41 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
labmrd 4:e44ac08027bd 42 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
labmrd 4:e44ac08027bd 43
labmrd 4:e44ac08027bd 44 #else /* Single partition configuration */
labmrd 4:e44ac08027bd 45 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
labmrd 4:e44ac08027bd 46 #define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */
labmrd 4:e44ac08027bd 47
labmrd 4:e44ac08027bd 48 #endif
labmrd 4:e44ac08027bd 49
labmrd 4:e44ac08027bd 50
labmrd 4:e44ac08027bd 51
labmrd 4:e44ac08027bd 52 /* Type of path name strings on FatFs API */
labmrd 4:e44ac08027bd 53
labmrd 4:e44ac08027bd 54 #if _LFN_UNICODE /* Unicode string */
labmrd 4:e44ac08027bd 55 #if !_USE_LFN
labmrd 4:e44ac08027bd 56 #error _LFN_UNICODE must be 0 in non-LFN cfg.
labmrd 4:e44ac08027bd 57 #endif
labmrd 4:e44ac08027bd 58 #ifndef _INC_TCHAR
labmrd 4:e44ac08027bd 59 typedef WCHAR TCHAR;
labmrd 4:e44ac08027bd 60 #define _T(x) L ## x
labmrd 4:e44ac08027bd 61 #define _TEXT(x) L ## x
labmrd 4:e44ac08027bd 62 #endif
labmrd 4:e44ac08027bd 63
labmrd 4:e44ac08027bd 64 #else /* ANSI/OEM string */
labmrd 4:e44ac08027bd 65 #ifndef _INC_TCHAR
labmrd 4:e44ac08027bd 66 typedef char TCHAR;
labmrd 4:e44ac08027bd 67 #define _T(x) x
labmrd 4:e44ac08027bd 68 #define _TEXT(x) x
labmrd 4:e44ac08027bd 69 #endif
labmrd 4:e44ac08027bd 70
labmrd 4:e44ac08027bd 71 #endif
labmrd 4:e44ac08027bd 72
labmrd 4:e44ac08027bd 73
labmrd 4:e44ac08027bd 74
labmrd 4:e44ac08027bd 75 /* File system object structure (FATFS) */
labmrd 4:e44ac08027bd 76
labmrd 4:e44ac08027bd 77 typedef struct {
labmrd 4:e44ac08027bd 78 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
labmrd 4:e44ac08027bd 79 BYTE drv; /* Physical drive number */
labmrd 4:e44ac08027bd 80 BYTE csize; /* Sectors per cluster (1,2,4...128) */
labmrd 4:e44ac08027bd 81 BYTE n_fats; /* Number of FAT copies (1,2) */
labmrd 4:e44ac08027bd 82 BYTE wflag; /* win[] dirty flag (1:must be written back) */
labmrd 4:e44ac08027bd 83 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
labmrd 4:e44ac08027bd 84 WORD id; /* File system mount ID */
labmrd 4:e44ac08027bd 85 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
labmrd 4:e44ac08027bd 86 #if _MAX_SS != 512
labmrd 4:e44ac08027bd 87 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
labmrd 4:e44ac08027bd 88 #endif
labmrd 4:e44ac08027bd 89 #if _FS_REENTRANT
labmrd 4:e44ac08027bd 90 _SYNC_t sobj; /* Identifier of sync object */
labmrd 4:e44ac08027bd 91 #endif
labmrd 4:e44ac08027bd 92 #if !_FS_READONLY
labmrd 4:e44ac08027bd 93 DWORD last_clust; /* Last allocated cluster */
labmrd 4:e44ac08027bd 94 DWORD free_clust; /* Number of free clusters */
labmrd 4:e44ac08027bd 95 DWORD fsi_sector; /* fsinfo sector (FAT32) */
labmrd 4:e44ac08027bd 96 #endif
labmrd 4:e44ac08027bd 97 #if _FS_RPATH
labmrd 4:e44ac08027bd 98 DWORD cdir; /* Current directory start cluster (0:root) */
labmrd 4:e44ac08027bd 99 #endif
labmrd 4:e44ac08027bd 100 DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */
labmrd 4:e44ac08027bd 101 DWORD fsize; /* Sectors per FAT */
labmrd 4:e44ac08027bd 102 DWORD fatbase; /* FAT start sector */
labmrd 4:e44ac08027bd 103 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
labmrd 4:e44ac08027bd 104 DWORD database; /* Data start sector */
labmrd 4:e44ac08027bd 105 DWORD winsect; /* Current sector appearing in the win[] */
labmrd 4:e44ac08027bd 106 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */
labmrd 4:e44ac08027bd 107 } FATFS;
labmrd 4:e44ac08027bd 108
labmrd 4:e44ac08027bd 109
labmrd 4:e44ac08027bd 110
labmrd 4:e44ac08027bd 111 /* File object structure (FIL) */
labmrd 4:e44ac08027bd 112
labmrd 4:e44ac08027bd 113 typedef struct {
labmrd 4:e44ac08027bd 114 FATFS* fs; /* Pointer to the related file system object */
labmrd 4:e44ac08027bd 115 WORD id; /* File system mount ID of the related file system object */
labmrd 4:e44ac08027bd 116 BYTE flag; /* File status flags */
labmrd 4:e44ac08027bd 117 BYTE pad1;
labmrd 4:e44ac08027bd 118 DWORD fptr; /* File read/write pointer (0ed on file open) */
labmrd 4:e44ac08027bd 119 DWORD fsize; /* File size */
labmrd 4:e44ac08027bd 120 DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
labmrd 4:e44ac08027bd 121 DWORD clust; /* Current cluster of fpter */
labmrd 4:e44ac08027bd 122 DWORD dsect; /* Current data sector of fpter */
labmrd 4:e44ac08027bd 123 #if !_FS_READONLY
labmrd 4:e44ac08027bd 124 DWORD dir_sect; /* Sector containing the directory entry */
labmrd 4:e44ac08027bd 125 BYTE* dir_ptr; /* Pointer to the directory entry in the window */
labmrd 4:e44ac08027bd 126 #endif
labmrd 4:e44ac08027bd 127 #if _USE_FASTSEEK
labmrd 4:e44ac08027bd 128 DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */
labmrd 4:e44ac08027bd 129 #endif
labmrd 4:e44ac08027bd 130 #if _FS_LOCK
labmrd 4:e44ac08027bd 131 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
labmrd 4:e44ac08027bd 132 #endif
labmrd 4:e44ac08027bd 133 #if !_FS_TINY
labmrd 4:e44ac08027bd 134 BYTE buf[_MAX_SS]; /* File data read/write buffer */
labmrd 4:e44ac08027bd 135 #endif
labmrd 4:e44ac08027bd 136 } FIL;
labmrd 4:e44ac08027bd 137
labmrd 4:e44ac08027bd 138
labmrd 4:e44ac08027bd 139
labmrd 4:e44ac08027bd 140 /* Directory object structure (DIR) */
labmrd 4:e44ac08027bd 141
labmrd 4:e44ac08027bd 142 typedef struct {
labmrd 4:e44ac08027bd 143 FATFS* fs; /* Pointer to the owner file system object */
labmrd 4:e44ac08027bd 144 WORD id; /* Owner file system mount ID */
labmrd 4:e44ac08027bd 145 WORD index; /* Current read/write index number */
labmrd 4:e44ac08027bd 146 DWORD sclust; /* Table start cluster (0:Root dir) */
labmrd 4:e44ac08027bd 147 DWORD clust; /* Current cluster */
labmrd 4:e44ac08027bd 148 DWORD sect; /* Current sector */
labmrd 4:e44ac08027bd 149 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
labmrd 4:e44ac08027bd 150 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
labmrd 4:e44ac08027bd 151 #if _USE_LFN
labmrd 4:e44ac08027bd 152 WCHAR* lfn; /* Pointer to the LFN working buffer */
labmrd 4:e44ac08027bd 153 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
labmrd 4:e44ac08027bd 154 #endif
labmrd 4:e44ac08027bd 155 } FATFS_DIR;
labmrd 4:e44ac08027bd 156
labmrd 4:e44ac08027bd 157
labmrd 4:e44ac08027bd 158
labmrd 4:e44ac08027bd 159 /* File status structure (FILINFO) */
labmrd 4:e44ac08027bd 160
labmrd 4:e44ac08027bd 161 typedef struct {
labmrd 4:e44ac08027bd 162 DWORD fsize; /* File size */
labmrd 4:e44ac08027bd 163 WORD fdate; /* Last modified date */
labmrd 4:e44ac08027bd 164 WORD ftime; /* Last modified time */
labmrd 4:e44ac08027bd 165 BYTE fattrib; /* Attribute */
labmrd 4:e44ac08027bd 166 TCHAR fname[13]; /* Short file name (8.3 format) */
labmrd 4:e44ac08027bd 167 #if _USE_LFN
labmrd 4:e44ac08027bd 168 TCHAR* lfname; /* Pointer to the LFN buffer */
labmrd 4:e44ac08027bd 169 UINT lfsize; /* Size of LFN buffer in TCHAR */
labmrd 4:e44ac08027bd 170 #endif
labmrd 4:e44ac08027bd 171 } FILINFO;
labmrd 4:e44ac08027bd 172
labmrd 4:e44ac08027bd 173
labmrd 4:e44ac08027bd 174
labmrd 4:e44ac08027bd 175 /* File function return code (FRESULT) */
labmrd 4:e44ac08027bd 176
labmrd 4:e44ac08027bd 177 typedef enum {
labmrd 4:e44ac08027bd 178 FR_OK = 0, /* (0) Succeeded */
labmrd 4:e44ac08027bd 179 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
labmrd 4:e44ac08027bd 180 FR_INT_ERR, /* (2) Assertion failed */
labmrd 4:e44ac08027bd 181 FR_NOT_READY, /* (3) The physical drive cannot work */
labmrd 4:e44ac08027bd 182 FR_NO_FILE, /* (4) Could not find the file */
labmrd 4:e44ac08027bd 183 FR_NO_PATH, /* (5) Could not find the path */
labmrd 4:e44ac08027bd 184 FR_INVALID_NAME, /* (6) The path name format is invalid */
labmrd 4:e44ac08027bd 185 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
labmrd 4:e44ac08027bd 186 FR_EXIST, /* (8) Access denied due to prohibited access */
labmrd 4:e44ac08027bd 187 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
labmrd 4:e44ac08027bd 188 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
labmrd 4:e44ac08027bd 189 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
labmrd 4:e44ac08027bd 190 FR_NOT_ENABLED, /* (12) The volume has no work area */
labmrd 4:e44ac08027bd 191 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
labmrd 4:e44ac08027bd 192 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
labmrd 4:e44ac08027bd 193 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
labmrd 4:e44ac08027bd 194 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
labmrd 4:e44ac08027bd 195 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
labmrd 4:e44ac08027bd 196 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
labmrd 4:e44ac08027bd 197 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
labmrd 4:e44ac08027bd 198 } FRESULT;
labmrd 4:e44ac08027bd 199
labmrd 4:e44ac08027bd 200
labmrd 4:e44ac08027bd 201
labmrd 4:e44ac08027bd 202 /*--------------------------------------------------------------*/
labmrd 4:e44ac08027bd 203 /* FatFs module application interface */
labmrd 4:e44ac08027bd 204
labmrd 4:e44ac08027bd 205 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
labmrd 4:e44ac08027bd 206 FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */
labmrd 4:e44ac08027bd 207 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
labmrd 4:e44ac08027bd 208 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
labmrd 4:e44ac08027bd 209 FRESULT f_close (FIL*); /* Close an open file object */
labmrd 4:e44ac08027bd 210 FRESULT f_opendir (FATFS_DIR*, const TCHAR*); /* Open an existing directory */
labmrd 4:e44ac08027bd 211 FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
labmrd 4:e44ac08027bd 212 FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */
labmrd 4:e44ac08027bd 213 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
labmrd 4:e44ac08027bd 214 FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
labmrd 4:e44ac08027bd 215 FRESULT f_truncate (FIL*); /* Truncate file */
labmrd 4:e44ac08027bd 216 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
labmrd 4:e44ac08027bd 217 FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */
labmrd 4:e44ac08027bd 218 FRESULT f_mkdir (const TCHAR*); /* Create a new directory */
labmrd 4:e44ac08027bd 219 FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attribute of the file/dir */
labmrd 4:e44ac08027bd 220 FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change times-tamp of the file/dir */
labmrd 4:e44ac08027bd 221 FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */
labmrd 4:e44ac08027bd 222 FRESULT f_chdrive (BYTE); /* Change current drive */
labmrd 4:e44ac08027bd 223 FRESULT f_chdir (const TCHAR*); /* Change current directory */
labmrd 4:e44ac08027bd 224 FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */
labmrd 4:e44ac08027bd 225 FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
labmrd 4:e44ac08027bd 226 FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */
labmrd 4:e44ac08027bd 227 FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */
labmrd 4:e44ac08027bd 228 int f_putc (TCHAR, FIL*); /* Put a character to the file */
labmrd 4:e44ac08027bd 229 int f_puts (const TCHAR*, FIL*); /* Put a string to the file */
labmrd 4:e44ac08027bd 230 int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */
labmrd 4:e44ac08027bd 231 TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */
labmrd 4:e44ac08027bd 232
labmrd 4:e44ac08027bd 233 #define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
labmrd 4:e44ac08027bd 234 #define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
labmrd 4:e44ac08027bd 235 #define f_tell(fp) ((fp)->fptr)
labmrd 4:e44ac08027bd 236 #define f_size(fp) ((fp)->fsize)
labmrd 4:e44ac08027bd 237
labmrd 4:e44ac08027bd 238 #ifndef EOF
labmrd 4:e44ac08027bd 239 #define EOF (-1)
labmrd 4:e44ac08027bd 240 #endif
labmrd 4:e44ac08027bd 241
labmrd 4:e44ac08027bd 242
labmrd 4:e44ac08027bd 243
labmrd 4:e44ac08027bd 244
labmrd 4:e44ac08027bd 245 /*--------------------------------------------------------------*/
labmrd 4:e44ac08027bd 246 /* Additional user defined functions */
labmrd 4:e44ac08027bd 247
labmrd 4:e44ac08027bd 248 /* RTC function */
labmrd 4:e44ac08027bd 249 #if !_FS_READONLY
labmrd 4:e44ac08027bd 250 DWORD get_fattime (void);
labmrd 4:e44ac08027bd 251 #endif
labmrd 4:e44ac08027bd 252
labmrd 4:e44ac08027bd 253 /* Unicode support functions */
labmrd 4:e44ac08027bd 254 #if _USE_LFN /* Unicode - OEM code conversion */
labmrd 4:e44ac08027bd 255 WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */
labmrd 4:e44ac08027bd 256 WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */
labmrd 4:e44ac08027bd 257 #if _USE_LFN == 3 /* Memory functions */
labmrd 4:e44ac08027bd 258 void* ff_memalloc (UINT); /* Allocate memory block */
labmrd 4:e44ac08027bd 259 void ff_memfree (void*); /* Free memory block */
labmrd 4:e44ac08027bd 260 #endif
labmrd 4:e44ac08027bd 261 #endif
labmrd 4:e44ac08027bd 262
labmrd 4:e44ac08027bd 263 /* Sync functions */
labmrd 4:e44ac08027bd 264 #if _FS_REENTRANT
labmrd 4:e44ac08027bd 265 int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
labmrd 4:e44ac08027bd 266 int ff_req_grant (_SYNC_t); /* Lock sync object */
labmrd 4:e44ac08027bd 267 void ff_rel_grant (_SYNC_t); /* Unlock sync object */
labmrd 4:e44ac08027bd 268 int ff_del_syncobj (_SYNC_t); /* Delete a sync object */
labmrd 4:e44ac08027bd 269 #endif
labmrd 4:e44ac08027bd 270
labmrd 4:e44ac08027bd 271
labmrd 4:e44ac08027bd 272
labmrd 4:e44ac08027bd 273
labmrd 4:e44ac08027bd 274 /*--------------------------------------------------------------*/
labmrd 4:e44ac08027bd 275 /* Flags and offset address */
labmrd 4:e44ac08027bd 276
labmrd 4:e44ac08027bd 277
labmrd 4:e44ac08027bd 278 /* File access control and file status flags (FIL.flag) */
labmrd 4:e44ac08027bd 279
labmrd 4:e44ac08027bd 280 #define FA_READ 0x01
labmrd 4:e44ac08027bd 281 #define FA_OPEN_EXISTING 0x00
labmrd 4:e44ac08027bd 282 #define FA__ERROR 0x80
labmrd 4:e44ac08027bd 283
labmrd 4:e44ac08027bd 284 #if !_FS_READONLY
labmrd 4:e44ac08027bd 285 #define FA_WRITE 0x02
labmrd 4:e44ac08027bd 286 #define FA_CREATE_NEW 0x04
labmrd 4:e44ac08027bd 287 #define FA_CREATE_ALWAYS 0x08
labmrd 4:e44ac08027bd 288 #define FA_OPEN_ALWAYS 0x10
labmrd 4:e44ac08027bd 289 #define FA__WRITTEN 0x20
labmrd 4:e44ac08027bd 290 #define FA__DIRTY 0x40
labmrd 4:e44ac08027bd 291 #endif
labmrd 4:e44ac08027bd 292
labmrd 4:e44ac08027bd 293
labmrd 4:e44ac08027bd 294 /* FAT sub type (FATFS.fs_type) */
labmrd 4:e44ac08027bd 295
labmrd 4:e44ac08027bd 296 #define FS_FAT12 1
labmrd 4:e44ac08027bd 297 #define FS_FAT16 2
labmrd 4:e44ac08027bd 298 #define FS_FAT32 3
labmrd 4:e44ac08027bd 299
labmrd 4:e44ac08027bd 300
labmrd 4:e44ac08027bd 301 /* File attribute bits for directory entry */
labmrd 4:e44ac08027bd 302
labmrd 4:e44ac08027bd 303 #define AM_RDO 0x01 /* Read only */
labmrd 4:e44ac08027bd 304 #define AM_HID 0x02 /* Hidden */
labmrd 4:e44ac08027bd 305 #define AM_SYS 0x04 /* System */
labmrd 4:e44ac08027bd 306 #define AM_VOL 0x08 /* Volume label */
labmrd 4:e44ac08027bd 307 #define AM_LFN 0x0F /* LFN entry */
labmrd 4:e44ac08027bd 308 #define AM_DIR 0x10 /* Directory */
labmrd 4:e44ac08027bd 309 #define AM_ARC 0x20 /* Archive */
labmrd 4:e44ac08027bd 310 #define AM_MASK 0x3F /* Mask of defined bits */
labmrd 4:e44ac08027bd 311
labmrd 4:e44ac08027bd 312
labmrd 4:e44ac08027bd 313 /* Fast seek feature */
labmrd 4:e44ac08027bd 314 #define CREATE_LINKMAP 0xFFFFFFFF
labmrd 4:e44ac08027bd 315
labmrd 4:e44ac08027bd 316
labmrd 4:e44ac08027bd 317
labmrd 4:e44ac08027bd 318 /*--------------------------------*/
labmrd 4:e44ac08027bd 319 /* Multi-byte word access macros */
labmrd 4:e44ac08027bd 320
labmrd 4:e44ac08027bd 321 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
labmrd 4:e44ac08027bd 322 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
labmrd 4:e44ac08027bd 323 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
labmrd 4:e44ac08027bd 324 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
labmrd 4:e44ac08027bd 325 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
labmrd 4:e44ac08027bd 326 #else /* Use byte-by-byte access to the FAT structure */
labmrd 4:e44ac08027bd 327 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
labmrd 4:e44ac08027bd 328 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
labmrd 4:e44ac08027bd 329 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
labmrd 4:e44ac08027bd 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)
labmrd 4:e44ac08027bd 331 #endif
labmrd 4:e44ac08027bd 332
labmrd 4:e44ac08027bd 333 #ifdef __cplusplus
labmrd 4:e44ac08027bd 334 }
labmrd 4:e44ac08027bd 335 #endif
labmrd 4:e44ac08027bd 336
labmrd 4:e44ac08027bd 337 #endif /* _FATFS */