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mbed-os/features/filesystem/fat/ChaN/ff.h@1:b36bbc1c6d27, 2020-04-11 (annotated)

Committer:
demayer
Date:
Sat Apr 11 08:15:48 2020 +0000
Revision:
1:b36bbc1c6d27
Parent:
0:6bf0743ece18 
IMU-library in .h und .cpp file aufgeteilt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 /*---------------------------------------------------------------------------/
demayer 0:6bf0743ece18 2 / FatFs - FAT file system module include R0.11a (C)ChaN, 2015
demayer 0:6bf0743ece18 3 /----------------------------------------------------------------------------/
demayer 0:6bf0743ece18 4 / FatFs module is a free software that opened under license policy of
demayer 0:6bf0743ece18 5 / following conditions.
demayer 0:6bf0743ece18 6 /
demayer 0:6bf0743ece18 7 / Copyright (C) 2015, ChaN, all right reserved.
demayer 0:6bf0743ece18 8 /
demayer 0:6bf0743ece18 9 / 1. Redistributions of source code must retain the above copyright notice,
demayer 0:6bf0743ece18 10 / this condition and the following disclaimer.
demayer 0:6bf0743ece18 11 /
demayer 0:6bf0743ece18 12 / This software is provided by the copyright holder and contributors "AS IS"
demayer 0:6bf0743ece18 13 / and any warranties related to this software are DISCLAIMED.
demayer 0:6bf0743ece18 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
demayer 0:6bf0743ece18 15 / by use of this software.
demayer 0:6bf0743ece18 16 /---------------------------------------------------------------------------*/
demayer 0:6bf0743ece18 17
demayer 0:6bf0743ece18 18
demayer 0:6bf0743ece18 19 #ifndef _FATFS
demayer 0:6bf0743ece18 20 #define _FATFS 64180 /* Revision ID */
demayer 0:6bf0743ece18 21
demayer 0:6bf0743ece18 22 #ifdef __cplusplus
demayer 0:6bf0743ece18 23 extern "C" {
demayer 0:6bf0743ece18 24 #endif
demayer 0:6bf0743ece18 25
demayer 0:6bf0743ece18 26 #include "integer.h" /* Basic integer types */
demayer 0:6bf0743ece18 27 #include "ffconf.h" /* FatFs configuration options */
demayer 0:6bf0743ece18 28 #if _FATFS != _FFCONF
demayer 0:6bf0743ece18 29 #error Wrong configuration file (ffconf.h).
demayer 0:6bf0743ece18 30 #endif
demayer 0:6bf0743ece18 31
demayer 0:6bf0743ece18 32
demayer 0:6bf0743ece18 33
demayer 0:6bf0743ece18 34 /* Definitions of volume management */
demayer 0:6bf0743ece18 35
demayer 0:6bf0743ece18 36 #if _MULTI_PARTITION /* Multiple partition configuration */
demayer 0:6bf0743ece18 37 typedef struct {
demayer 0:6bf0743ece18 38 BYTE pd; /* Physical drive number */
demayer 0:6bf0743ece18 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
demayer 0:6bf0743ece18 40 } PARTITION;
demayer 0:6bf0743ece18 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
demayer 0:6bf0743ece18 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
demayer 0:6bf0743ece18 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
demayer 0:6bf0743ece18 44
demayer 0:6bf0743ece18 45 #else /* Single partition configuration */
demayer 0:6bf0743ece18 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
demayer 0:6bf0743ece18 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
demayer 0:6bf0743ece18 48
demayer 0:6bf0743ece18 49 #endif
demayer 0:6bf0743ece18 50
demayer 0:6bf0743ece18 51
demayer 0:6bf0743ece18 52
demayer 0:6bf0743ece18 53 /* Type of path name strings on FatFs API */
demayer 0:6bf0743ece18 54
demayer 0:6bf0743ece18 55 #if _LFN_UNICODE /* Unicode string */
demayer 0:6bf0743ece18 56 #if !_USE_LFN
demayer 0:6bf0743ece18 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
demayer 0:6bf0743ece18 58 #endif
demayer 0:6bf0743ece18 59 #ifndef _INC_TCHAR
demayer 0:6bf0743ece18 60 typedef WCHAR TCHAR;
demayer 0:6bf0743ece18 61 #define _T(x) L ## x
demayer 0:6bf0743ece18 62 #define _TEXT(x) L ## x
demayer 0:6bf0743ece18 63 #endif
demayer 0:6bf0743ece18 64
demayer 0:6bf0743ece18 65 #else /* ANSI/OEM string */
demayer 0:6bf0743ece18 66 #ifndef _INC_TCHAR
demayer 0:6bf0743ece18 67 typedef char TCHAR;
demayer 0:6bf0743ece18 68 #define _T(x) x
demayer 0:6bf0743ece18 69 #define _TEXT(x) x
demayer 0:6bf0743ece18 70 #endif
demayer 0:6bf0743ece18 71
demayer 0:6bf0743ece18 72 #endif
demayer 0:6bf0743ece18 73
demayer 0:6bf0743ece18 74
demayer 0:6bf0743ece18 75
demayer 0:6bf0743ece18 76 /* File system object structure (FATFS) */
demayer 0:6bf0743ece18 77
demayer 0:6bf0743ece18 78 typedef struct {
demayer 0:6bf0743ece18 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
demayer 0:6bf0743ece18 80 BYTE drv; /* Physical drive number */
demayer 0:6bf0743ece18 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
demayer 0:6bf0743ece18 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
demayer 0:6bf0743ece18 83 BYTE wflag; /* win[] flag (b0:dirty) */
demayer 0:6bf0743ece18 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
demayer 0:6bf0743ece18 85 WORD id; /* File system mount ID */
demayer 0:6bf0743ece18 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
demayer 0:6bf0743ece18 87 #if _MAX_SS != _MIN_SS
demayer 0:6bf0743ece18 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
demayer 0:6bf0743ece18 89 #endif
demayer 0:6bf0743ece18 90 #if _FS_REENTRANT
demayer 0:6bf0743ece18 91 _SYNC_t sobj; /* Identifier of sync object */
demayer 0:6bf0743ece18 92 #endif
demayer 0:6bf0743ece18 93 #if !_FS_READONLY
demayer 0:6bf0743ece18 94 DWORD last_clust; /* Last allocated cluster */
demayer 0:6bf0743ece18 95 DWORD free_clust; /* Number of free clusters */
demayer 0:6bf0743ece18 96 #endif
demayer 0:6bf0743ece18 97 #if _FS_RPATH
demayer 0:6bf0743ece18 98 DWORD cdir; /* Current directory start cluster (0:root) */
demayer 0:6bf0743ece18 99 #endif
demayer 0:6bf0743ece18 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
demayer 0:6bf0743ece18 101 DWORD fsize; /* Sectors per FAT */
demayer 0:6bf0743ece18 102 DWORD volbase; /* Volume start sector */
demayer 0:6bf0743ece18 103 DWORD fatbase; /* FAT start sector */
demayer 0:6bf0743ece18 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
demayer 0:6bf0743ece18 105 DWORD database; /* Data start sector */
demayer 0:6bf0743ece18 106 DWORD winsect; /* Current sector appearing in the win[] */
demayer 0:6bf0743ece18 107 #if _FS_HEAPBUF
demayer 0:6bf0743ece18 108 BYTE *win; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
demayer 0:6bf0743ece18 109 #else
demayer 0:6bf0743ece18 110 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
demayer 0:6bf0743ece18 111 #endif
demayer 0:6bf0743ece18 112 } FATFS;
demayer 0:6bf0743ece18 113
demayer 0:6bf0743ece18 114
demayer 0:6bf0743ece18 115
demayer 0:6bf0743ece18 116 /* File object structure (FIL) */
demayer 0:6bf0743ece18 117
demayer 0:6bf0743ece18 118 typedef struct {
demayer 0:6bf0743ece18 119 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
demayer 0:6bf0743ece18 120 WORD id; /* Owner file system mount ID (**do not change order**) */
demayer 0:6bf0743ece18 121 BYTE flag; /* Status flags */
demayer 0:6bf0743ece18 122 BYTE err; /* Abort flag (error code) */
demayer 0:6bf0743ece18 123 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
demayer 0:6bf0743ece18 124 DWORD fsize; /* File size */
demayer 0:6bf0743ece18 125 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
demayer 0:6bf0743ece18 126 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
demayer 0:6bf0743ece18 127 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
demayer 0:6bf0743ece18 128 #if !_FS_READONLY
demayer 0:6bf0743ece18 129 DWORD dir_sect; /* Sector number containing the directory entry */
demayer 0:6bf0743ece18 130 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
demayer 0:6bf0743ece18 131 #endif
demayer 0:6bf0743ece18 132 #if _USE_FASTSEEK
demayer 0:6bf0743ece18 133 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
demayer 0:6bf0743ece18 134 #endif
demayer 0:6bf0743ece18 135 #if _FS_LOCK
demayer 0:6bf0743ece18 136 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
demayer 0:6bf0743ece18 137 #endif
demayer 0:6bf0743ece18 138 #if !_FS_TINY
demayer 0:6bf0743ece18 139 #if _FS_HEAPBUF
demayer 0:6bf0743ece18 140 BYTE *buf; /* File private data read/write window */
demayer 0:6bf0743ece18 141 #else
demayer 0:6bf0743ece18 142 BYTE buf[_MAX_SS]; /* File private data read/write window */
demayer 0:6bf0743ece18 143 #endif
demayer 0:6bf0743ece18 144 #endif
demayer 0:6bf0743ece18 145 } FIL;
demayer 0:6bf0743ece18 146
demayer 0:6bf0743ece18 147
demayer 0:6bf0743ece18 148
demayer 0:6bf0743ece18 149 /* Directory object structure (FATFS_DIR) */
demayer 0:6bf0743ece18 150
demayer 0:6bf0743ece18 151 typedef struct {
demayer 0:6bf0743ece18 152 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
demayer 0:6bf0743ece18 153 WORD id; /* Owner file system mount ID (**do not change order**) */
demayer 0:6bf0743ece18 154 WORD index; /* Current read/write index number */
demayer 0:6bf0743ece18 155 DWORD sclust; /* Table start cluster (0:Root dir) */
demayer 0:6bf0743ece18 156 DWORD clust; /* Current cluster */
demayer 0:6bf0743ece18 157 DWORD sect; /* Current sector */
demayer 0:6bf0743ece18 158 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
demayer 0:6bf0743ece18 159 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
demayer 0:6bf0743ece18 160 #if _FS_LOCK
demayer 0:6bf0743ece18 161 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
demayer 0:6bf0743ece18 162 #endif
demayer 0:6bf0743ece18 163 #if _USE_LFN
demayer 0:6bf0743ece18 164 WCHAR* lfn; /* Pointer to the LFN working buffer */
demayer 0:6bf0743ece18 165 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
demayer 0:6bf0743ece18 166 #endif
demayer 0:6bf0743ece18 167 #if _USE_FIND
demayer 0:6bf0743ece18 168 const TCHAR* pat; /* Pointer to the name matching pattern */
demayer 0:6bf0743ece18 169 #endif
demayer 0:6bf0743ece18 170 } FATFS_DIR;
demayer 0:6bf0743ece18 171
demayer 0:6bf0743ece18 172
demayer 0:6bf0743ece18 173
demayer 0:6bf0743ece18 174 /* File information structure (FILINFO) */
demayer 0:6bf0743ece18 175
demayer 0:6bf0743ece18 176 typedef struct {
demayer 0:6bf0743ece18 177 DWORD fsize; /* File size */
demayer 0:6bf0743ece18 178 WORD fdate; /* Last modified date */
demayer 0:6bf0743ece18 179 WORD ftime; /* Last modified time */
demayer 0:6bf0743ece18 180 BYTE fattrib; /* Attribute */
demayer 0:6bf0743ece18 181 TCHAR fname[13]; /* Short file name (8.3 format) */
demayer 0:6bf0743ece18 182 #if _USE_LFN
demayer 0:6bf0743ece18 183 TCHAR* lfname; /* Pointer to the LFN buffer */
demayer 0:6bf0743ece18 184 UINT lfsize; /* Size of LFN buffer in TCHAR */
demayer 0:6bf0743ece18 185 #endif
demayer 0:6bf0743ece18 186 } FILINFO;
demayer 0:6bf0743ece18 187
demayer 0:6bf0743ece18 188
demayer 0:6bf0743ece18 189
demayer 0:6bf0743ece18 190 /* File function return code (FRESULT) */
demayer 0:6bf0743ece18 191
demayer 0:6bf0743ece18 192 typedef enum {
demayer 0:6bf0743ece18 193 FR_OK = 0, /* (0) Succeeded */
demayer 0:6bf0743ece18 194 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
demayer 0:6bf0743ece18 195 FR_INT_ERR, /* (2) Assertion failed */
demayer 0:6bf0743ece18 196 FR_NOT_READY, /* (3) The physical drive cannot work */
demayer 0:6bf0743ece18 197 FR_NO_FILE, /* (4) Could not find the file */
demayer 0:6bf0743ece18 198 FR_NO_PATH, /* (5) Could not find the path */
demayer 0:6bf0743ece18 199 FR_INVALID_NAME, /* (6) The path name format is invalid */
demayer 0:6bf0743ece18 200 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
demayer 0:6bf0743ece18 201 FR_EXIST, /* (8) Access denied due to prohibited access */
demayer 0:6bf0743ece18 202 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
demayer 0:6bf0743ece18 203 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
demayer 0:6bf0743ece18 204 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
demayer 0:6bf0743ece18 205 FR_NOT_ENABLED, /* (12) The volume has no work area */
demayer 0:6bf0743ece18 206 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
demayer 0:6bf0743ece18 207 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
demayer 0:6bf0743ece18 208 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
demayer 0:6bf0743ece18 209 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
demayer 0:6bf0743ece18 210 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
demayer 0:6bf0743ece18 211 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */
demayer 0:6bf0743ece18 212 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
demayer 0:6bf0743ece18 213 } FRESULT;
demayer 0:6bf0743ece18 214
demayer 0:6bf0743ece18 215
demayer 0:6bf0743ece18 216
demayer 0:6bf0743ece18 217 /*--------------------------------------------------------------*/
demayer 0:6bf0743ece18 218 /* FatFs module application interface */
demayer 0:6bf0743ece18 219
demayer 0:6bf0743ece18 220 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
demayer 0:6bf0743ece18 221 FRESULT f_close (FIL* fp); /* Close an open file object */
demayer 0:6bf0743ece18 222 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
demayer 0:6bf0743ece18 223 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
demayer 0:6bf0743ece18 224 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
demayer 0:6bf0743ece18 225 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
demayer 0:6bf0743ece18 226 FRESULT f_truncate (FIL* fp); /* Truncate file */
demayer 0:6bf0743ece18 227 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
demayer 0:6bf0743ece18 228 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
demayer 0:6bf0743ece18 229 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
demayer 0:6bf0743ece18 230 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
demayer 0:6bf0743ece18 231 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
demayer 0:6bf0743ece18 232 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
demayer 0:6bf0743ece18 233 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
demayer 0:6bf0743ece18 234 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
demayer 0:6bf0743ece18 235 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
demayer 0:6bf0743ece18 236 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
demayer 0:6bf0743ece18 237 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */
demayer 0:6bf0743ece18 238 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
demayer 0:6bf0743ece18 239 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
demayer 0:6bf0743ece18 240 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
demayer 0:6bf0743ece18 241 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
demayer 0:6bf0743ece18 242 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
demayer 0:6bf0743ece18 243 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
demayer 0:6bf0743ece18 244 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
demayer 0:6bf0743ece18 245 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
demayer 0:6bf0743ece18 246 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
demayer 0:6bf0743ece18 247 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
demayer 0:6bf0743ece18 248 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
demayer 0:6bf0743ece18 249 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
demayer 0:6bf0743ece18 250 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
demayer 0:6bf0743ece18 251 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
demayer 0:6bf0743ece18 252
demayer 0:6bf0743ece18 253 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
demayer 0:6bf0743ece18 254 #define f_error(fp) ((fp)->err)
demayer 0:6bf0743ece18 255 #define f_tell(fp) ((fp)->fptr)
demayer 0:6bf0743ece18 256 #define f_size(fp) ((fp)->fsize)
demayer 0:6bf0743ece18 257 #define f_rewind(fp) f_lseek((fp), 0)
demayer 0:6bf0743ece18 258 #define f_rewinddir(dp) f_readdir((dp), 0)
demayer 0:6bf0743ece18 259
demayer 0:6bf0743ece18 260 #ifndef EOF
demayer 0:6bf0743ece18 261 #define EOF (-1)
demayer 0:6bf0743ece18 262 #endif
demayer 0:6bf0743ece18 263
demayer 0:6bf0743ece18 264
demayer 0:6bf0743ece18 265
demayer 0:6bf0743ece18 266
demayer 0:6bf0743ece18 267 /*--------------------------------------------------------------*/
demayer 0:6bf0743ece18 268 /* Additional user defined functions */
demayer 0:6bf0743ece18 269
demayer 0:6bf0743ece18 270 /* RTC function */
demayer 0:6bf0743ece18 271 #if !_FS_READONLY && !_FS_NORTC
demayer 0:6bf0743ece18 272 DWORD get_fattime (void);
demayer 0:6bf0743ece18 273 #endif
demayer 0:6bf0743ece18 274
demayer 0:6bf0743ece18 275 /* Memory functions */
demayer 0:6bf0743ece18 276 #if _USE_LFN == 3 || _FS_HEAPBUF
demayer 0:6bf0743ece18 277 void* ff_memalloc (UINT msize); /* Allocate memory block */
demayer 0:6bf0743ece18 278 void ff_memfree (void* mblock); /* Free memory block */
demayer 0:6bf0743ece18 279 #endif
demayer 0:6bf0743ece18 280
demayer 0:6bf0743ece18 281 /* Unicode support functions */
demayer 0:6bf0743ece18 282 #if _USE_LFN /* Unicode - OEM code conversion */
demayer 0:6bf0743ece18 283 WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
demayer 0:6bf0743ece18 284 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
demayer 0:6bf0743ece18 285 #endif
demayer 0:6bf0743ece18 286
demayer 0:6bf0743ece18 287 /* Sync functions */
demayer 0:6bf0743ece18 288 #if _FS_REENTRANT
demayer 0:6bf0743ece18 289 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
demayer 0:6bf0743ece18 290 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
demayer 0:6bf0743ece18 291 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
demayer 0:6bf0743ece18 292 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
demayer 0:6bf0743ece18 293 #endif
demayer 0:6bf0743ece18 294
demayer 0:6bf0743ece18 295
demayer 0:6bf0743ece18 296
demayer 0:6bf0743ece18 297
demayer 0:6bf0743ece18 298 /*--------------------------------------------------------------*/
demayer 0:6bf0743ece18 299 /* Flags and offset address */
demayer 0:6bf0743ece18 300
demayer 0:6bf0743ece18 301
demayer 0:6bf0743ece18 302 /* File access control and file status flags (FIL.flag) */
demayer 0:6bf0743ece18 303
demayer 0:6bf0743ece18 304 #define FA_READ 0x01
demayer 0:6bf0743ece18 305 #define FA_OPEN_EXISTING 0x00
demayer 0:6bf0743ece18 306
demayer 0:6bf0743ece18 307 #if !_FS_READONLY
demayer 0:6bf0743ece18 308 #define FA_WRITE 0x02
demayer 0:6bf0743ece18 309 #define FA_CREATE_NEW 0x04
demayer 0:6bf0743ece18 310 #define FA_CREATE_ALWAYS 0x08
demayer 0:6bf0743ece18 311 #define FA_OPEN_ALWAYS 0x10
demayer 0:6bf0743ece18 312 #define FA__WRITTEN 0x20
demayer 0:6bf0743ece18 313 #define FA__DIRTY 0x40
demayer 0:6bf0743ece18 314 #endif
demayer 0:6bf0743ece18 315
demayer 0:6bf0743ece18 316
demayer 0:6bf0743ece18 317 /* FAT sub type (FATFS.fs_type) */
demayer 0:6bf0743ece18 318
demayer 0:6bf0743ece18 319 #define FS_FAT12 1
demayer 0:6bf0743ece18 320 #define FS_FAT16 2
demayer 0:6bf0743ece18 321 #define FS_FAT32 3
demayer 0:6bf0743ece18 322
demayer 0:6bf0743ece18 323
demayer 0:6bf0743ece18 324 /* File attribute bits for directory entry */
demayer 0:6bf0743ece18 325
demayer 0:6bf0743ece18 326 #define AM_RDO 0x01 /* Read only */
demayer 0:6bf0743ece18 327 #define AM_HID 0x02 /* Hidden */
demayer 0:6bf0743ece18 328 #define AM_SYS 0x04 /* System */
demayer 0:6bf0743ece18 329 #define AM_VOL 0x08 /* Volume label */
demayer 0:6bf0743ece18 330 #define AM_LFN 0x0F /* LFN entry */
demayer 0:6bf0743ece18 331 #define AM_DIR 0x10 /* Directory */
demayer 0:6bf0743ece18 332 #define AM_ARC 0x20 /* Archive */
demayer 0:6bf0743ece18 333 #define AM_MASK 0x3F /* Mask of defined bits */
demayer 0:6bf0743ece18 334
demayer 0:6bf0743ece18 335
demayer 0:6bf0743ece18 336 /* Fast seek feature */
demayer 0:6bf0743ece18 337 #define CREATE_LINKMAP 0xFFFFFFFF
demayer 0:6bf0743ece18 338
demayer 0:6bf0743ece18 339
demayer 0:6bf0743ece18 340
demayer 0:6bf0743ece18 341 /*--------------------------------*/
demayer 0:6bf0743ece18 342 /* Multi-byte word access macros */
demayer 0:6bf0743ece18 343
demayer 0:6bf0743ece18 344 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
demayer 0:6bf0743ece18 345 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
demayer 0:6bf0743ece18 346 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
demayer 0:6bf0743ece18 347 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
demayer 0:6bf0743ece18 348 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
demayer 0:6bf0743ece18 349 #else /* Use byte-by-byte access to the FAT structure */
demayer 0:6bf0743ece18 350 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
demayer 0:6bf0743ece18 351 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
demayer 0:6bf0743ece18 352 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
demayer 0:6bf0743ece18 353 #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)
demayer 0:6bf0743ece18 354 #endif
demayer 0:6bf0743ece18 355
demayer 0:6bf0743ece18 356 #ifdef __cplusplus
demayer 0:6bf0743ece18 357 }
demayer 0:6bf0743ece18 358 #endif
demayer 0:6bf0743ece18 359
demayer 0:6bf0743ece18 360 #endif /* _FATFS */