Fanny Calle / SDFileSystem

this library has few changes from the original library, for effects of this work.

Dependents:   OBC3_1_h

FATFileSystem/ChaN/ff.h@0:8214896432e0, 2018-05-21 (annotated)

Committer:
FannyCalle
Date:
Mon May 21 15:10:37 2018 +0000
Revision:
0:8214896432e0
el sd hay que revisar;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
FannyCalle 0:8214896432e0 1 /*---------------------------------------------------------------------------/
FannyCalle 0:8214896432e0 2 / FatFs - FAT file system module include R0.11a (C)ChaN, 2015
FannyCalle 0:8214896432e0 3 /----------------------------------------------------------------------------/
FannyCalle 0:8214896432e0 4 / FatFs module is a free software that opened under license policy of
FannyCalle 0:8214896432e0 5 / following conditions.
FannyCalle 0:8214896432e0 6 /
FannyCalle 0:8214896432e0 7 / Copyright (C) 2015, ChaN, all right reserved.
FannyCalle 0:8214896432e0 8 /
FannyCalle 0:8214896432e0 9 / 1. Redistributions of source code must retain the above copyright notice,
FannyCalle 0:8214896432e0 10 / this condition and the following disclaimer.
FannyCalle 0:8214896432e0 11 /
FannyCalle 0:8214896432e0 12 / This software is provided by the copyright holder and contributors "AS IS"
FannyCalle 0:8214896432e0 13 / and any warranties related to this software are DISCLAIMED.
FannyCalle 0:8214896432e0 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
FannyCalle 0:8214896432e0 15 / by use of this software.
FannyCalle 0:8214896432e0 16 /---------------------------------------------------------------------------*/
FannyCalle 0:8214896432e0 17
FannyCalle 0:8214896432e0 18
FannyCalle 0:8214896432e0 19 #ifndef _FATFS
FannyCalle 0:8214896432e0 20 #define _FATFS 64180 /* Revision ID */
FannyCalle 0:8214896432e0 21
FannyCalle 0:8214896432e0 22 #ifdef __cplusplus
FannyCalle 0:8214896432e0 23 extern "C" {
FannyCalle 0:8214896432e0 24 #endif
FannyCalle 0:8214896432e0 25
FannyCalle 0:8214896432e0 26 #include "integer.h" /* Basic integer types */
FannyCalle 0:8214896432e0 27 #include "ffconf.h" /* FatFs configuration options */
FannyCalle 0:8214896432e0 28 #if _FATFS != _FFCONF
FannyCalle 0:8214896432e0 29 #error Wrong configuration file (ffconf.h).
FannyCalle 0:8214896432e0 30 #endif
FannyCalle 0:8214896432e0 31
FannyCalle 0:8214896432e0 32
FannyCalle 0:8214896432e0 33
FannyCalle 0:8214896432e0 34 /* Definitions of volume management */
FannyCalle 0:8214896432e0 35
FannyCalle 0:8214896432e0 36 #if _MULTI_PARTITION /* Multiple partition configuration */
FannyCalle 0:8214896432e0 37 typedef struct {
FannyCalle 0:8214896432e0 38 BYTE pd; /* Physical drive number */
FannyCalle 0:8214896432e0 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
FannyCalle 0:8214896432e0 40 } PARTITION;
FannyCalle 0:8214896432e0 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
FannyCalle 0:8214896432e0 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
FannyCalle 0:8214896432e0 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
FannyCalle 0:8214896432e0 44
FannyCalle 0:8214896432e0 45 #else /* Single partition configuration */
FannyCalle 0:8214896432e0 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
FannyCalle 0:8214896432e0 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
FannyCalle 0:8214896432e0 48
FannyCalle 0:8214896432e0 49 #endif
FannyCalle 0:8214896432e0 50
FannyCalle 0:8214896432e0 51
FannyCalle 0:8214896432e0 52
FannyCalle 0:8214896432e0 53 /* Type of path name strings on FatFs API */
FannyCalle 0:8214896432e0 54
FannyCalle 0:8214896432e0 55 #if _LFN_UNICODE /* Unicode string */
FannyCalle 0:8214896432e0 56 #if !_USE_LFN
FannyCalle 0:8214896432e0 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
FannyCalle 0:8214896432e0 58 #endif
FannyCalle 0:8214896432e0 59 #ifndef _INC_TCHAR
FannyCalle 0:8214896432e0 60 typedef WCHAR TCHAR;
FannyCalle 0:8214896432e0 61 #define _T(x) L ## x
FannyCalle 0:8214896432e0 62 #define _TEXT(x) L ## x
FannyCalle 0:8214896432e0 63 #endif
FannyCalle 0:8214896432e0 64
FannyCalle 0:8214896432e0 65 #else /* ANSI/OEM string */
FannyCalle 0:8214896432e0 66 #ifndef _INC_TCHAR
FannyCalle 0:8214896432e0 67 typedef char TCHAR;
FannyCalle 0:8214896432e0 68 #define _T(x) x
FannyCalle 0:8214896432e0 69 #define _TEXT(x) x
FannyCalle 0:8214896432e0 70 #endif
FannyCalle 0:8214896432e0 71
FannyCalle 0:8214896432e0 72 #endif
FannyCalle 0:8214896432e0 73
FannyCalle 0:8214896432e0 74
FannyCalle 0:8214896432e0 75
FannyCalle 0:8214896432e0 76 /* File system object structure (FATFS) */
FannyCalle 0:8214896432e0 77
FannyCalle 0:8214896432e0 78 typedef struct {
FannyCalle 0:8214896432e0 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
FannyCalle 0:8214896432e0 80 BYTE drv; /* Physical drive number */
FannyCalle 0:8214896432e0 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
FannyCalle 0:8214896432e0 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
FannyCalle 0:8214896432e0 83 BYTE wflag; /* win[] flag (b0:dirty) */
FannyCalle 0:8214896432e0 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
FannyCalle 0:8214896432e0 85 WORD id; /* File system mount ID */
FannyCalle 0:8214896432e0 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
FannyCalle 0:8214896432e0 87 #if _MAX_SS != _MIN_SS
FannyCalle 0:8214896432e0 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
FannyCalle 0:8214896432e0 89 #endif
FannyCalle 0:8214896432e0 90 #if _FS_REENTRANT
FannyCalle 0:8214896432e0 91 _SYNC_t sobj; /* Identifier of sync object */
FannyCalle 0:8214896432e0 92 #endif
FannyCalle 0:8214896432e0 93 #if !_FS_READONLY
FannyCalle 0:8214896432e0 94 DWORD last_clust; /* Last allocated cluster */
FannyCalle 0:8214896432e0 95 DWORD free_clust; /* Number of free clusters */
FannyCalle 0:8214896432e0 96 #endif
FannyCalle 0:8214896432e0 97 #if _FS_RPATH
FannyCalle 0:8214896432e0 98 DWORD cdir; /* Current directory start cluster (0:root) */
FannyCalle 0:8214896432e0 99 #endif
FannyCalle 0:8214896432e0 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
FannyCalle 0:8214896432e0 101 DWORD fsize; /* Sectors per FAT */
FannyCalle 0:8214896432e0 102 DWORD volbase; /* Volume start sector */
FannyCalle 0:8214896432e0 103 DWORD fatbase; /* FAT start sector */
FannyCalle 0:8214896432e0 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
FannyCalle 0:8214896432e0 105 DWORD database; /* Data start sector */
FannyCalle 0:8214896432e0 106 DWORD winsect; /* Current sector appearing in the win[] */
FannyCalle 0:8214896432e0 107 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
FannyCalle 0:8214896432e0 108 } FATFS;
FannyCalle 0:8214896432e0 109
FannyCalle 0:8214896432e0 110
FannyCalle 0:8214896432e0 111
FannyCalle 0:8214896432e0 112 /* File object structure (FIL) */
FannyCalle 0:8214896432e0 113
FannyCalle 0:8214896432e0 114 typedef struct {
FannyCalle 0:8214896432e0 115 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
FannyCalle 0:8214896432e0 116 WORD id; /* Owner file system mount ID (**do not change order**) */
FannyCalle 0:8214896432e0 117 BYTE flag; /* Status flags */
FannyCalle 0:8214896432e0 118 BYTE err; /* Abort flag (error code) */
FannyCalle 0:8214896432e0 119 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
FannyCalle 0:8214896432e0 120 DWORD fsize; /* File size */
FannyCalle 0:8214896432e0 121 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
FannyCalle 0:8214896432e0 122 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
FannyCalle 0:8214896432e0 123 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
FannyCalle 0:8214896432e0 124 #if !_FS_READONLY
FannyCalle 0:8214896432e0 125 DWORD dir_sect; /* Sector number containing the directory entry */
FannyCalle 0:8214896432e0 126 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
FannyCalle 0:8214896432e0 127 #endif
FannyCalle 0:8214896432e0 128 #if _USE_FASTSEEK
FannyCalle 0:8214896432e0 129 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
FannyCalle 0:8214896432e0 130 #endif
FannyCalle 0:8214896432e0 131 #if _FS_LOCK
FannyCalle 0:8214896432e0 132 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
FannyCalle 0:8214896432e0 133 #endif
FannyCalle 0:8214896432e0 134 #if !_FS_TINY
FannyCalle 0:8214896432e0 135 BYTE buf[_MAX_SS]; /* File private data read/write window */
FannyCalle 0:8214896432e0 136 #endif
FannyCalle 0:8214896432e0 137 } FIL;
FannyCalle 0:8214896432e0 138
FannyCalle 0:8214896432e0 139
FannyCalle 0:8214896432e0 140
FannyCalle 0:8214896432e0 141 /* Directory object structure (FATFS_DIR) */
FannyCalle 0:8214896432e0 142
FannyCalle 0:8214896432e0 143 typedef struct {
FannyCalle 0:8214896432e0 144 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
FannyCalle 0:8214896432e0 145 WORD id; /* Owner file system mount ID (**do not change order**) */
FannyCalle 0:8214896432e0 146 WORD index; /* Current read/write index number */
FannyCalle 0:8214896432e0 147 DWORD sclust; /* Table start cluster (0:Root dir) */
FannyCalle 0:8214896432e0 148 DWORD clust; /* Current cluster */
FannyCalle 0:8214896432e0 149 DWORD sect; /* Current sector */
FannyCalle 0:8214896432e0 150 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
FannyCalle 0:8214896432e0 151 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
FannyCalle 0:8214896432e0 152 #if _FS_LOCK
FannyCalle 0:8214896432e0 153 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
FannyCalle 0:8214896432e0 154 #endif
FannyCalle 0:8214896432e0 155 #if _USE_LFN
FannyCalle 0:8214896432e0 156 WCHAR* lfn; /* Pointer to the LFN working buffer */
FannyCalle 0:8214896432e0 157 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
FannyCalle 0:8214896432e0 158 #endif
FannyCalle 0:8214896432e0 159 #if _USE_FIND
FannyCalle 0:8214896432e0 160 const TCHAR* pat; /* Pointer to the name matching pattern */
FannyCalle 0:8214896432e0 161 #endif
FannyCalle 0:8214896432e0 162 } FATFS_DIR;
FannyCalle 0:8214896432e0 163
FannyCalle 0:8214896432e0 164
FannyCalle 0:8214896432e0 165
FannyCalle 0:8214896432e0 166 /* File information structure (FILINFO) */
FannyCalle 0:8214896432e0 167
FannyCalle 0:8214896432e0 168 typedef struct {
FannyCalle 0:8214896432e0 169 DWORD fsize; /* File size */
FannyCalle 0:8214896432e0 170 WORD fdate; /* Last modified date */
FannyCalle 0:8214896432e0 171 WORD ftime; /* Last modified time */
FannyCalle 0:8214896432e0 172 BYTE fattrib; /* Attribute */
FannyCalle 0:8214896432e0 173 TCHAR fname[13]; /* Short file name (8.3 format) */
FannyCalle 0:8214896432e0 174 #if _USE_LFN
FannyCalle 0:8214896432e0 175 TCHAR* lfname; /* Pointer to the LFN buffer */
FannyCalle 0:8214896432e0 176 UINT lfsize; /* Size of LFN buffer in TCHAR */
FannyCalle 0:8214896432e0 177 #endif
FannyCalle 0:8214896432e0 178 } FILINFO;
FannyCalle 0:8214896432e0 179
FannyCalle 0:8214896432e0 180
FannyCalle 0:8214896432e0 181
FannyCalle 0:8214896432e0 182 /* File function return code (FRESULT) */
FannyCalle 0:8214896432e0 183
FannyCalle 0:8214896432e0 184 typedef enum {
FannyCalle 0:8214896432e0 185 FR_OK = 0, /* (0) Succeeded */
FannyCalle 0:8214896432e0 186 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
FannyCalle 0:8214896432e0 187 FR_INT_ERR, /* (2) Assertion failed */
FannyCalle 0:8214896432e0 188 FR_NOT_READY, /* (3) The physical drive cannot work */
FannyCalle 0:8214896432e0 189 FR_NO_FILE, /* (4) Could not find the file */
FannyCalle 0:8214896432e0 190 FR_NO_PATH, /* (5) Could not find the path */
FannyCalle 0:8214896432e0 191 FR_INVALID_NAME, /* (6) The path name format is invalid */
FannyCalle 0:8214896432e0 192 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
FannyCalle 0:8214896432e0 193 FR_EXIST, /* (8) Access denied due to prohibited access */
FannyCalle 0:8214896432e0 194 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
FannyCalle 0:8214896432e0 195 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
FannyCalle 0:8214896432e0 196 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
FannyCalle 0:8214896432e0 197 FR_NOT_ENABLED, /* (12) The volume has no work area */
FannyCalle 0:8214896432e0 198 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
FannyCalle 0:8214896432e0 199 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
FannyCalle 0:8214896432e0 200 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
FannyCalle 0:8214896432e0 201 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
FannyCalle 0:8214896432e0 202 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
FannyCalle 0:8214896432e0 203 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */
FannyCalle 0:8214896432e0 204 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
FannyCalle 0:8214896432e0 205 } FRESULT;
FannyCalle 0:8214896432e0 206
FannyCalle 0:8214896432e0 207
FannyCalle 0:8214896432e0 208
FannyCalle 0:8214896432e0 209 /*--------------------------------------------------------------*/
FannyCalle 0:8214896432e0 210 /* FatFs module application interface */
FannyCalle 0:8214896432e0 211
FannyCalle 0:8214896432e0 212 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
FannyCalle 0:8214896432e0 213 FRESULT f_close (FIL* fp); /* Close an open file object */
FannyCalle 0:8214896432e0 214 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
FannyCalle 0:8214896432e0 215 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
FannyCalle 0:8214896432e0 216 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
FannyCalle 0:8214896432e0 217 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
FannyCalle 0:8214896432e0 218 FRESULT f_truncate (FIL* fp); /* Truncate file */
FannyCalle 0:8214896432e0 219 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
FannyCalle 0:8214896432e0 220 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
FannyCalle 0:8214896432e0 221 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
FannyCalle 0:8214896432e0 222 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
FannyCalle 0:8214896432e0 223 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
FannyCalle 0:8214896432e0 224 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
FannyCalle 0:8214896432e0 225 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
FannyCalle 0:8214896432e0 226 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
FannyCalle 0:8214896432e0 227 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
FannyCalle 0:8214896432e0 228 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
FannyCalle 0:8214896432e0 229 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */
FannyCalle 0:8214896432e0 230 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
FannyCalle 0:8214896432e0 231 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
FannyCalle 0:8214896432e0 232 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
FannyCalle 0:8214896432e0 233 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
FannyCalle 0:8214896432e0 234 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
FannyCalle 0:8214896432e0 235 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FannyCalle 0:8214896432e0 236 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FannyCalle 0:8214896432e0 237 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FannyCalle 0:8214896432e0 238 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
FannyCalle 0:8214896432e0 239 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
FannyCalle 0:8214896432e0 240 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
FannyCalle 0:8214896432e0 241 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
FannyCalle 0:8214896432e0 242 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
FannyCalle 0:8214896432e0 243 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
FannyCalle 0:8214896432e0 244
FannyCalle 0:8214896432e0 245 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
FannyCalle 0:8214896432e0 246 #define f_error(fp) ((fp)->err)
FannyCalle 0:8214896432e0 247 #define f_tell(fp) ((fp)->fptr)
FannyCalle 0:8214896432e0 248 #define f_size(fp) ((fp)->fsize)
FannyCalle 0:8214896432e0 249 #define f_rewind(fp) f_lseek((fp), 0)
FannyCalle 0:8214896432e0 250 #define f_rewinddir(dp) f_readdir((dp), 0)
FannyCalle 0:8214896432e0 251
FannyCalle 0:8214896432e0 252 #ifndef EOF
FannyCalle 0:8214896432e0 253 #define EOF (-1)
FannyCalle 0:8214896432e0 254 #endif
FannyCalle 0:8214896432e0 255
FannyCalle 0:8214896432e0 256
FannyCalle 0:8214896432e0 257
FannyCalle 0:8214896432e0 258
FannyCalle 0:8214896432e0 259 /*--------------------------------------------------------------*/
FannyCalle 0:8214896432e0 260 /* Additional user defined functions */
FannyCalle 0:8214896432e0 261
FannyCalle 0:8214896432e0 262 /* RTC function */
FannyCalle 0:8214896432e0 263 #if !_FS_READONLY && !_FS_NORTC
FannyCalle 0:8214896432e0 264 DWORD get_fattime (void);
FannyCalle 0:8214896432e0 265 #endif
FannyCalle 0:8214896432e0 266
FannyCalle 0:8214896432e0 267 /* Unicode support functions */
FannyCalle 0:8214896432e0 268 #if _USE_LFN /* Unicode - OEM code conversion */
FannyCalle 0:8214896432e0 269 WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
FannyCalle 0:8214896432e0 270 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
FannyCalle 0:8214896432e0 271 #if _USE_LFN == 3 /* Memory functions */
FannyCalle 0:8214896432e0 272 void* ff_memalloc (UINT msize); /* Allocate memory block */
FannyCalle 0:8214896432e0 273 void ff_memfree (void* mblock); /* Free memory block */
FannyCalle 0:8214896432e0 274 #endif
FannyCalle 0:8214896432e0 275 #endif
FannyCalle 0:8214896432e0 276
FannyCalle 0:8214896432e0 277 /* Sync functions */
FannyCalle 0:8214896432e0 278 #if _FS_REENTRANT
FannyCalle 0:8214896432e0 279 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
FannyCalle 0:8214896432e0 280 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
FannyCalle 0:8214896432e0 281 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
FannyCalle 0:8214896432e0 282 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
FannyCalle 0:8214896432e0 283 #endif
FannyCalle 0:8214896432e0 284
FannyCalle 0:8214896432e0 285
FannyCalle 0:8214896432e0 286
FannyCalle 0:8214896432e0 287
FannyCalle 0:8214896432e0 288 /*--------------------------------------------------------------*/
FannyCalle 0:8214896432e0 289 /* Flags and offset address */
FannyCalle 0:8214896432e0 290
FannyCalle 0:8214896432e0 291
FannyCalle 0:8214896432e0 292 /* File access control and file status flags (FIL.flag) */
FannyCalle 0:8214896432e0 293
FannyCalle 0:8214896432e0 294 #define FA_READ 0x01
FannyCalle 0:8214896432e0 295 #define FA_OPEN_EXISTING 0x00
FannyCalle 0:8214896432e0 296
FannyCalle 0:8214896432e0 297 #if !_FS_READONLY
FannyCalle 0:8214896432e0 298 #define FA_WRITE 0x02
FannyCalle 0:8214896432e0 299 #define FA_CREATE_NEW 0x04
FannyCalle 0:8214896432e0 300 #define FA_CREATE_ALWAYS 0x08
FannyCalle 0:8214896432e0 301 #define FA_OPEN_ALWAYS 0x10
FannyCalle 0:8214896432e0 302 #define FA__WRITTEN 0x20
FannyCalle 0:8214896432e0 303 #define FA__DIRTY 0x40
FannyCalle 0:8214896432e0 304 #endif
FannyCalle 0:8214896432e0 305
FannyCalle 0:8214896432e0 306
FannyCalle 0:8214896432e0 307 /* FAT sub type (FATFS.fs_type) */
FannyCalle 0:8214896432e0 308
FannyCalle 0:8214896432e0 309 #define FS_FAT12 1
FannyCalle 0:8214896432e0 310 #define FS_FAT16 2
FannyCalle 0:8214896432e0 311 #define FS_FAT32 3
FannyCalle 0:8214896432e0 312
FannyCalle 0:8214896432e0 313
FannyCalle 0:8214896432e0 314 /* File attribute bits for directory entry */
FannyCalle 0:8214896432e0 315
FannyCalle 0:8214896432e0 316 #define AM_RDO 0x01 /* Read only */
FannyCalle 0:8214896432e0 317 #define AM_HID 0x02 /* Hidden */
FannyCalle 0:8214896432e0 318 #define AM_SYS 0x04 /* System */
FannyCalle 0:8214896432e0 319 #define AM_VOL 0x08 /* Volume label */
FannyCalle 0:8214896432e0 320 #define AM_LFN 0x0F /* LFN entry */
FannyCalle 0:8214896432e0 321 #define AM_DIR 0x10 /* Directory */
FannyCalle 0:8214896432e0 322 #define AM_ARC 0x20 /* Archive */
FannyCalle 0:8214896432e0 323 #define AM_MASK 0x3F /* Mask of defined bits */
FannyCalle 0:8214896432e0 324
FannyCalle 0:8214896432e0 325
FannyCalle 0:8214896432e0 326 /* Fast seek feature */
FannyCalle 0:8214896432e0 327 #define CREATE_LINKMAP 0xFFFFFFFF
FannyCalle 0:8214896432e0 328
FannyCalle 0:8214896432e0 329
FannyCalle 0:8214896432e0 330
FannyCalle 0:8214896432e0 331 /*--------------------------------*/
FannyCalle 0:8214896432e0 332 /* Multi-byte word access macros */
FannyCalle 0:8214896432e0 333
FannyCalle 0:8214896432e0 334 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
FannyCalle 0:8214896432e0 335 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
FannyCalle 0:8214896432e0 336 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
FannyCalle 0:8214896432e0 337 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
FannyCalle 0:8214896432e0 338 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
FannyCalle 0:8214896432e0 339 #else /* Use byte-by-byte access to the FAT structure */
FannyCalle 0:8214896432e0 340 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
FannyCalle 0:8214896432e0 341 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
FannyCalle 0:8214896432e0 342 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
FannyCalle 0:8214896432e0 343 #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)
FannyCalle 0:8214896432e0 344 #endif
FannyCalle 0:8214896432e0 345
FannyCalle 0:8214896432e0 346 #ifdef __cplusplus
FannyCalle 0:8214896432e0 347 }
FannyCalle 0:8214896432e0 348 #endif
FannyCalle 0:8214896432e0 349
FannyCalle 0:8214896432e0 350 #endif /* _FATFS */