Pierre Provent / USBHost

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Dependents:   TEST_USB_Nucleo_F429ZI Essais_USB_Nucleo_F429ZI SID_V3_Nucleo_F429ZI SID_V4_Nucleo_F429ZI_copy

FATFileSystem/ChaN/ff.h@0:77ca32e8e04e, 2020-09-25 (annotated)

Committer:
pierreprovent
Date:
Fri Sep 25 10:17:49 2020 +0000
Revision:
0:77ca32e8e04e
Programme acquisition en enregistrement sur clef USB carte Nucleo F429ZI cours ELE118 Cnam

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pierreprovent 0:77ca32e8e04e 1 /*---------------------------------------------------------------------------/
pierreprovent 0:77ca32e8e04e 2 / FatFs - FAT file system module include R0.11a (C)ChaN, 2015
pierreprovent 0:77ca32e8e04e 3 /----------------------------------------------------------------------------/
pierreprovent 0:77ca32e8e04e 4 / FatFs module is a free software that opened under license policy of
pierreprovent 0:77ca32e8e04e 5 / following conditions.
pierreprovent 0:77ca32e8e04e 6 /
pierreprovent 0:77ca32e8e04e 7 / Copyright (C) 2015, ChaN, all right reserved.
pierreprovent 0:77ca32e8e04e 8 /
pierreprovent 0:77ca32e8e04e 9 / 1. Redistributions of source code must retain the above copyright notice,
pierreprovent 0:77ca32e8e04e 10 / this condition and the following disclaimer.
pierreprovent 0:77ca32e8e04e 11 /
pierreprovent 0:77ca32e8e04e 12 / This software is provided by the copyright holder and contributors "AS IS"
pierreprovent 0:77ca32e8e04e 13 / and any warranties related to this software are DISCLAIMED.
pierreprovent 0:77ca32e8e04e 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
pierreprovent 0:77ca32e8e04e 15 / by use of this software.
pierreprovent 0:77ca32e8e04e 16 /---------------------------------------------------------------------------*/
pierreprovent 0:77ca32e8e04e 17
pierreprovent 0:77ca32e8e04e 18
pierreprovent 0:77ca32e8e04e 19 #ifndef _FATFS
pierreprovent 0:77ca32e8e04e 20 #define _FATFS 64180 /* Revision ID */
pierreprovent 0:77ca32e8e04e 21
pierreprovent 0:77ca32e8e04e 22 #ifdef __cplusplus
pierreprovent 0:77ca32e8e04e 23 extern "C" {
pierreprovent 0:77ca32e8e04e 24 #endif
pierreprovent 0:77ca32e8e04e 25
pierreprovent 0:77ca32e8e04e 26 #include "integer.h" /* Basic integer types */
pierreprovent 0:77ca32e8e04e 27 #include "ffconf.h" /* FatFs configuration options */
pierreprovent 0:77ca32e8e04e 28 #if _FATFS != _FFCONF
pierreprovent 0:77ca32e8e04e 29 #error Wrong configuration file (ffconf.h).
pierreprovent 0:77ca32e8e04e 30 #endif
pierreprovent 0:77ca32e8e04e 31
pierreprovent 0:77ca32e8e04e 32
pierreprovent 0:77ca32e8e04e 33
pierreprovent 0:77ca32e8e04e 34 /* Definitions of volume management */
pierreprovent 0:77ca32e8e04e 35
pierreprovent 0:77ca32e8e04e 36 #if _MULTI_PARTITION /* Multiple partition configuration */
pierreprovent 0:77ca32e8e04e 37 typedef struct {
pierreprovent 0:77ca32e8e04e 38 BYTE pd; /* Physical drive number */
pierreprovent 0:77ca32e8e04e 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
pierreprovent 0:77ca32e8e04e 40 } PARTITION;
pierreprovent 0:77ca32e8e04e 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
pierreprovent 0:77ca32e8e04e 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
pierreprovent 0:77ca32e8e04e 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
pierreprovent 0:77ca32e8e04e 44
pierreprovent 0:77ca32e8e04e 45 #else /* Single partition configuration */
pierreprovent 0:77ca32e8e04e 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
pierreprovent 0:77ca32e8e04e 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
pierreprovent 0:77ca32e8e04e 48
pierreprovent 0:77ca32e8e04e 49 #endif
pierreprovent 0:77ca32e8e04e 50
pierreprovent 0:77ca32e8e04e 51
pierreprovent 0:77ca32e8e04e 52
pierreprovent 0:77ca32e8e04e 53 /* Type of path name strings on FatFs API */
pierreprovent 0:77ca32e8e04e 54
pierreprovent 0:77ca32e8e04e 55 #if _LFN_UNICODE /* Unicode string */
pierreprovent 0:77ca32e8e04e 56 #if !_USE_LFN
pierreprovent 0:77ca32e8e04e 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
pierreprovent 0:77ca32e8e04e 58 #endif
pierreprovent 0:77ca32e8e04e 59 #ifndef _INC_TCHAR
pierreprovent 0:77ca32e8e04e 60 typedef WCHAR TCHAR;
pierreprovent 0:77ca32e8e04e 61 #define _T(x) L ## x
pierreprovent 0:77ca32e8e04e 62 #define _TEXT(x) L ## x
pierreprovent 0:77ca32e8e04e 63 #endif
pierreprovent 0:77ca32e8e04e 64
pierreprovent 0:77ca32e8e04e 65 #else /* ANSI/OEM string */
pierreprovent 0:77ca32e8e04e 66 #ifndef _INC_TCHAR
pierreprovent 0:77ca32e8e04e 67 typedef char TCHAR;
pierreprovent 0:77ca32e8e04e 68 #define _T(x) x
pierreprovent 0:77ca32e8e04e 69 #define _TEXT(x) x
pierreprovent 0:77ca32e8e04e 70 #endif
pierreprovent 0:77ca32e8e04e 71
pierreprovent 0:77ca32e8e04e 72 #endif
pierreprovent 0:77ca32e8e04e 73
pierreprovent 0:77ca32e8e04e 74
pierreprovent 0:77ca32e8e04e 75
pierreprovent 0:77ca32e8e04e 76 /* File system object structure (FATFS) */
pierreprovent 0:77ca32e8e04e 77
pierreprovent 0:77ca32e8e04e 78 typedef struct {
pierreprovent 0:77ca32e8e04e 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
pierreprovent 0:77ca32e8e04e 80 BYTE drv; /* Physical drive number */
pierreprovent 0:77ca32e8e04e 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
pierreprovent 0:77ca32e8e04e 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
pierreprovent 0:77ca32e8e04e 83 BYTE wflag; /* win[] flag (b0:dirty) */
pierreprovent 0:77ca32e8e04e 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
pierreprovent 0:77ca32e8e04e 85 WORD id; /* File system mount ID */
pierreprovent 0:77ca32e8e04e 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
pierreprovent 0:77ca32e8e04e 87 #if _MAX_SS != _MIN_SS
pierreprovent 0:77ca32e8e04e 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
pierreprovent 0:77ca32e8e04e 89 #endif
pierreprovent 0:77ca32e8e04e 90 #if _FS_REENTRANT
pierreprovent 0:77ca32e8e04e 91 _SYNC_t sobj; /* Identifier of sync object */
pierreprovent 0:77ca32e8e04e 92 #endif
pierreprovent 0:77ca32e8e04e 93 #if !_FS_READONLY
pierreprovent 0:77ca32e8e04e 94 DWORD last_clust; /* Last allocated cluster */
pierreprovent 0:77ca32e8e04e 95 DWORD free_clust; /* Number of free clusters */
pierreprovent 0:77ca32e8e04e 96 #endif
pierreprovent 0:77ca32e8e04e 97 #if _FS_RPATH
pierreprovent 0:77ca32e8e04e 98 DWORD cdir; /* Current directory start cluster (0:root) */
pierreprovent 0:77ca32e8e04e 99 #endif
pierreprovent 0:77ca32e8e04e 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
pierreprovent 0:77ca32e8e04e 101 DWORD fsize; /* Sectors per FAT */
pierreprovent 0:77ca32e8e04e 102 DWORD volbase; /* Volume start sector */
pierreprovent 0:77ca32e8e04e 103 DWORD fatbase; /* FAT start sector */
pierreprovent 0:77ca32e8e04e 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
pierreprovent 0:77ca32e8e04e 105 DWORD database; /* Data start sector */
pierreprovent 0:77ca32e8e04e 106 DWORD winsect; /* Current sector appearing in the win[] */
pierreprovent 0:77ca32e8e04e 107 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
pierreprovent 0:77ca32e8e04e 108 } FATFS;
pierreprovent 0:77ca32e8e04e 109
pierreprovent 0:77ca32e8e04e 110
pierreprovent 0:77ca32e8e04e 111
pierreprovent 0:77ca32e8e04e 112 /* File object structure (FIL) */
pierreprovent 0:77ca32e8e04e 113
pierreprovent 0:77ca32e8e04e 114 typedef struct {
pierreprovent 0:77ca32e8e04e 115 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
pierreprovent 0:77ca32e8e04e 116 WORD id; /* Owner file system mount ID (**do not change order**) */
pierreprovent 0:77ca32e8e04e 117 BYTE flag; /* Status flags */
pierreprovent 0:77ca32e8e04e 118 BYTE err; /* Abort flag (error code) */
pierreprovent 0:77ca32e8e04e 119 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
pierreprovent 0:77ca32e8e04e 120 DWORD fsize; /* File size */
pierreprovent 0:77ca32e8e04e 121 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
pierreprovent 0:77ca32e8e04e 122 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
pierreprovent 0:77ca32e8e04e 123 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
pierreprovent 0:77ca32e8e04e 124 #if !_FS_READONLY
pierreprovent 0:77ca32e8e04e 125 DWORD dir_sect; /* Sector number containing the directory entry */
pierreprovent 0:77ca32e8e04e 126 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
pierreprovent 0:77ca32e8e04e 127 #endif
pierreprovent 0:77ca32e8e04e 128 #if _USE_FASTSEEK
pierreprovent 0:77ca32e8e04e 129 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
pierreprovent 0:77ca32e8e04e 130 #endif
pierreprovent 0:77ca32e8e04e 131 #if _FS_LOCK
pierreprovent 0:77ca32e8e04e 132 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
pierreprovent 0:77ca32e8e04e 133 #endif
pierreprovent 0:77ca32e8e04e 134 #if !_FS_TINY
pierreprovent 0:77ca32e8e04e 135 BYTE buf[_MAX_SS]; /* File private data read/write window */
pierreprovent 0:77ca32e8e04e 136 #endif
pierreprovent 0:77ca32e8e04e 137 } FIL;
pierreprovent 0:77ca32e8e04e 138
pierreprovent 0:77ca32e8e04e 139
pierreprovent 0:77ca32e8e04e 140
pierreprovent 0:77ca32e8e04e 141 /* Directory object structure (FATFS_DIR) */
pierreprovent 0:77ca32e8e04e 142
pierreprovent 0:77ca32e8e04e 143 typedef struct {
pierreprovent 0:77ca32e8e04e 144 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
pierreprovent 0:77ca32e8e04e 145 WORD id; /* Owner file system mount ID (**do not change order**) */
pierreprovent 0:77ca32e8e04e 146 WORD index; /* Current read/write index number */
pierreprovent 0:77ca32e8e04e 147 DWORD sclust; /* Table start cluster (0:Root dir) */
pierreprovent 0:77ca32e8e04e 148 DWORD clust; /* Current cluster */
pierreprovent 0:77ca32e8e04e 149 DWORD sect; /* Current sector */
pierreprovent 0:77ca32e8e04e 150 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
pierreprovent 0:77ca32e8e04e 151 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
pierreprovent 0:77ca32e8e04e 152 #if _FS_LOCK
pierreprovent 0:77ca32e8e04e 153 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
pierreprovent 0:77ca32e8e04e 154 #endif
pierreprovent 0:77ca32e8e04e 155 #if _USE_LFN
pierreprovent 0:77ca32e8e04e 156 WCHAR* lfn; /* Pointer to the LFN working buffer */
pierreprovent 0:77ca32e8e04e 157 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
pierreprovent 0:77ca32e8e04e 158 #endif
pierreprovent 0:77ca32e8e04e 159 #if _USE_FIND
pierreprovent 0:77ca32e8e04e 160 const TCHAR* pat; /* Pointer to the name matching pattern */
pierreprovent 0:77ca32e8e04e 161 #endif
pierreprovent 0:77ca32e8e04e 162 } FATFS_DIR;
pierreprovent 0:77ca32e8e04e 163
pierreprovent 0:77ca32e8e04e 164
pierreprovent 0:77ca32e8e04e 165
pierreprovent 0:77ca32e8e04e 166 /* File information structure (FILINFO) */
pierreprovent 0:77ca32e8e04e 167
pierreprovent 0:77ca32e8e04e 168 typedef struct {
pierreprovent 0:77ca32e8e04e 169 DWORD fsize; /* File size */
pierreprovent 0:77ca32e8e04e 170 WORD fdate; /* Last modified date */
pierreprovent 0:77ca32e8e04e 171 WORD ftime; /* Last modified time */
pierreprovent 0:77ca32e8e04e 172 BYTE fattrib; /* Attribute */
pierreprovent 0:77ca32e8e04e 173 TCHAR fname[13]; /* Short file name (8.3 format) */
pierreprovent 0:77ca32e8e04e 174 #if _USE_LFN
pierreprovent 0:77ca32e8e04e 175 TCHAR* lfname; /* Pointer to the LFN buffer */
pierreprovent 0:77ca32e8e04e 176 UINT lfsize; /* Size of LFN buffer in TCHAR */
pierreprovent 0:77ca32e8e04e 177 #endif
pierreprovent 0:77ca32e8e04e 178 } FILINFO;
pierreprovent 0:77ca32e8e04e 179
pierreprovent 0:77ca32e8e04e 180
pierreprovent 0:77ca32e8e04e 181
pierreprovent 0:77ca32e8e04e 182 /* File function return code (FRESULT) */
pierreprovent 0:77ca32e8e04e 183
pierreprovent 0:77ca32e8e04e 184 typedef enum {
pierreprovent 0:77ca32e8e04e 185 FR_OK = 0, /* (0) Succeeded */
pierreprovent 0:77ca32e8e04e 186 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
pierreprovent 0:77ca32e8e04e 187 FR_INT_ERR, /* (2) Assertion failed */
pierreprovent 0:77ca32e8e04e 188 FR_NOT_READY, /* (3) The physical drive cannot work */
pierreprovent 0:77ca32e8e04e 189 FR_NO_FILE, /* (4) Could not find the file */
pierreprovent 0:77ca32e8e04e 190 FR_NO_PATH, /* (5) Could not find the path */
pierreprovent 0:77ca32e8e04e 191 FR_INVALID_NAME, /* (6) The path name format is invalid */
pierreprovent 0:77ca32e8e04e 192 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
pierreprovent 0:77ca32e8e04e 193 FR_EXIST, /* (8) Access denied due to prohibited access */
pierreprovent 0:77ca32e8e04e 194 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
pierreprovent 0:77ca32e8e04e 195 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
pierreprovent 0:77ca32e8e04e 196 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
pierreprovent 0:77ca32e8e04e 197 FR_NOT_ENABLED, /* (12) The volume has no work area */
pierreprovent 0:77ca32e8e04e 198 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
pierreprovent 0:77ca32e8e04e 199 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
pierreprovent 0:77ca32e8e04e 200 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
pierreprovent 0:77ca32e8e04e 201 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
pierreprovent 0:77ca32e8e04e 202 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
pierreprovent 0:77ca32e8e04e 203 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */
pierreprovent 0:77ca32e8e04e 204 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
pierreprovent 0:77ca32e8e04e 205 } FRESULT;
pierreprovent 0:77ca32e8e04e 206
pierreprovent 0:77ca32e8e04e 207
pierreprovent 0:77ca32e8e04e 208
pierreprovent 0:77ca32e8e04e 209 /*--------------------------------------------------------------*/
pierreprovent 0:77ca32e8e04e 210 /* FatFs module application interface */
pierreprovent 0:77ca32e8e04e 211
pierreprovent 0:77ca32e8e04e 212 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
pierreprovent 0:77ca32e8e04e 213 FRESULT f_close (FIL* fp); /* Close an open file object */
pierreprovent 0:77ca32e8e04e 214 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
pierreprovent 0:77ca32e8e04e 215 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
pierreprovent 0:77ca32e8e04e 216 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
pierreprovent 0:77ca32e8e04e 217 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
pierreprovent 0:77ca32e8e04e 218 FRESULT f_truncate (FIL* fp); /* Truncate file */
pierreprovent 0:77ca32e8e04e 219 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
pierreprovent 0:77ca32e8e04e 220 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
pierreprovent 0:77ca32e8e04e 221 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
pierreprovent 0:77ca32e8e04e 222 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
pierreprovent 0:77ca32e8e04e 223 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
pierreprovent 0:77ca32e8e04e 224 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
pierreprovent 0:77ca32e8e04e 225 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
pierreprovent 0:77ca32e8e04e 226 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
pierreprovent 0:77ca32e8e04e 227 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
pierreprovent 0:77ca32e8e04e 228 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
pierreprovent 0:77ca32e8e04e 229 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */
pierreprovent 0:77ca32e8e04e 230 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
pierreprovent 0:77ca32e8e04e 231 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
pierreprovent 0:77ca32e8e04e 232 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
pierreprovent 0:77ca32e8e04e 233 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
pierreprovent 0:77ca32e8e04e 234 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
pierreprovent 0:77ca32e8e04e 235 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
pierreprovent 0:77ca32e8e04e 236 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
pierreprovent 0:77ca32e8e04e 237 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
pierreprovent 0:77ca32e8e04e 238 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
pierreprovent 0:77ca32e8e04e 239 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
pierreprovent 0:77ca32e8e04e 240 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
pierreprovent 0:77ca32e8e04e 241 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
pierreprovent 0:77ca32e8e04e 242 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
pierreprovent 0:77ca32e8e04e 243 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
pierreprovent 0:77ca32e8e04e 244
pierreprovent 0:77ca32e8e04e 245 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
pierreprovent 0:77ca32e8e04e 246 #define f_error(fp) ((fp)->err)
pierreprovent 0:77ca32e8e04e 247 #define f_tell(fp) ((fp)->fptr)
pierreprovent 0:77ca32e8e04e 248 #define f_size(fp) ((fp)->fsize)
pierreprovent 0:77ca32e8e04e 249 #define f_rewind(fp) f_lseek((fp), 0)
pierreprovent 0:77ca32e8e04e 250 #define f_rewinddir(dp) f_readdir((dp), 0)
pierreprovent 0:77ca32e8e04e 251
pierreprovent 0:77ca32e8e04e 252 #ifndef EOF
pierreprovent 0:77ca32e8e04e 253 #define EOF (-1)
pierreprovent 0:77ca32e8e04e 254 #endif
pierreprovent 0:77ca32e8e04e 255
pierreprovent 0:77ca32e8e04e 256
pierreprovent 0:77ca32e8e04e 257
pierreprovent 0:77ca32e8e04e 258
pierreprovent 0:77ca32e8e04e 259 /*--------------------------------------------------------------*/
pierreprovent 0:77ca32e8e04e 260 /* Additional user defined functions */
pierreprovent 0:77ca32e8e04e 261
pierreprovent 0:77ca32e8e04e 262 /* RTC function */
pierreprovent 0:77ca32e8e04e 263 #if !_FS_READONLY && !_FS_NORTC
pierreprovent 0:77ca32e8e04e 264 DWORD get_fattime (void);
pierreprovent 0:77ca32e8e04e 265 #endif
pierreprovent 0:77ca32e8e04e 266
pierreprovent 0:77ca32e8e04e 267 /* Unicode support functions */
pierreprovent 0:77ca32e8e04e 268 #if _USE_LFN /* Unicode - OEM code conversion */
pierreprovent 0:77ca32e8e04e 269 WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
pierreprovent 0:77ca32e8e04e 270 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
pierreprovent 0:77ca32e8e04e 271 #if _USE_LFN == 3 /* Memory functions */
pierreprovent 0:77ca32e8e04e 272 void* ff_memalloc (UINT msize); /* Allocate memory block */
pierreprovent 0:77ca32e8e04e 273 void ff_memfree (void* mblock); /* Free memory block */
pierreprovent 0:77ca32e8e04e 274 #endif
pierreprovent 0:77ca32e8e04e 275 #endif
pierreprovent 0:77ca32e8e04e 276
pierreprovent 0:77ca32e8e04e 277 /* Sync functions */
pierreprovent 0:77ca32e8e04e 278 #if _FS_REENTRANT
pierreprovent 0:77ca32e8e04e 279 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
pierreprovent 0:77ca32e8e04e 280 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
pierreprovent 0:77ca32e8e04e 281 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
pierreprovent 0:77ca32e8e04e 282 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
pierreprovent 0:77ca32e8e04e 283 #endif
pierreprovent 0:77ca32e8e04e 284
pierreprovent 0:77ca32e8e04e 285
pierreprovent 0:77ca32e8e04e 286
pierreprovent 0:77ca32e8e04e 287
pierreprovent 0:77ca32e8e04e 288 /*--------------------------------------------------------------*/
pierreprovent 0:77ca32e8e04e 289 /* Flags and offset address */
pierreprovent 0:77ca32e8e04e 290
pierreprovent 0:77ca32e8e04e 291
pierreprovent 0:77ca32e8e04e 292 /* File access control and file status flags (FIL.flag) */
pierreprovent 0:77ca32e8e04e 293
pierreprovent 0:77ca32e8e04e 294 #define FA_READ 0x01
pierreprovent 0:77ca32e8e04e 295 #define FA_OPEN_EXISTING 0x00
pierreprovent 0:77ca32e8e04e 296
pierreprovent 0:77ca32e8e04e 297 #if !_FS_READONLY
pierreprovent 0:77ca32e8e04e 298 #define FA_WRITE 0x02
pierreprovent 0:77ca32e8e04e 299 #define FA_CREATE_NEW 0x04
pierreprovent 0:77ca32e8e04e 300 #define FA_CREATE_ALWAYS 0x08
pierreprovent 0:77ca32e8e04e 301 #define FA_OPEN_ALWAYS 0x10
pierreprovent 0:77ca32e8e04e 302 #define FA__WRITTEN 0x20
pierreprovent 0:77ca32e8e04e 303 #define FA__DIRTY 0x40
pierreprovent 0:77ca32e8e04e 304 #endif
pierreprovent 0:77ca32e8e04e 305
pierreprovent 0:77ca32e8e04e 306
pierreprovent 0:77ca32e8e04e 307 /* FAT sub type (FATFS.fs_type) */
pierreprovent 0:77ca32e8e04e 308
pierreprovent 0:77ca32e8e04e 309 #define FS_FAT12 1
pierreprovent 0:77ca32e8e04e 310 #define FS_FAT16 2
pierreprovent 0:77ca32e8e04e 311 #define FS_FAT32 3
pierreprovent 0:77ca32e8e04e 312
pierreprovent 0:77ca32e8e04e 313
pierreprovent 0:77ca32e8e04e 314 /* File attribute bits for directory entry */
pierreprovent 0:77ca32e8e04e 315
pierreprovent 0:77ca32e8e04e 316 #define AM_RDO 0x01 /* Read only */
pierreprovent 0:77ca32e8e04e 317 #define AM_HID 0x02 /* Hidden */
pierreprovent 0:77ca32e8e04e 318 #define AM_SYS 0x04 /* System */
pierreprovent 0:77ca32e8e04e 319 #define AM_VOL 0x08 /* Volume label */
pierreprovent 0:77ca32e8e04e 320 #define AM_LFN 0x0F /* LFN entry */
pierreprovent 0:77ca32e8e04e 321 #define AM_DIR 0x10 /* Directory */
pierreprovent 0:77ca32e8e04e 322 #define AM_ARC 0x20 /* Archive */
pierreprovent 0:77ca32e8e04e 323 #define AM_MASK 0x3F /* Mask of defined bits */
pierreprovent 0:77ca32e8e04e 324
pierreprovent 0:77ca32e8e04e 325
pierreprovent 0:77ca32e8e04e 326 /* Fast seek feature */
pierreprovent 0:77ca32e8e04e 327 #define CREATE_LINKMAP 0xFFFFFFFF
pierreprovent 0:77ca32e8e04e 328
pierreprovent 0:77ca32e8e04e 329
pierreprovent 0:77ca32e8e04e 330
pierreprovent 0:77ca32e8e04e 331 /*--------------------------------*/
pierreprovent 0:77ca32e8e04e 332 /* Multi-byte word access macros */
pierreprovent 0:77ca32e8e04e 333
pierreprovent 0:77ca32e8e04e 334 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
pierreprovent 0:77ca32e8e04e 335 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
pierreprovent 0:77ca32e8e04e 336 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
pierreprovent 0:77ca32e8e04e 337 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
pierreprovent 0:77ca32e8e04e 338 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
pierreprovent 0:77ca32e8e04e 339 #else /* Use byte-by-byte access to the FAT structure */
pierreprovent 0:77ca32e8e04e 340 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
pierreprovent 0:77ca32e8e04e 341 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
pierreprovent 0:77ca32e8e04e 342 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
pierreprovent 0:77ca32e8e04e 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)
pierreprovent 0:77ca32e8e04e 344 #endif
pierreprovent 0:77ca32e8e04e 345
pierreprovent 0:77ca32e8e04e 346 #ifdef __cplusplus
pierreprovent 0:77ca32e8e04e 347 }
pierreprovent 0:77ca32e8e04e 348 #endif
pierreprovent 0:77ca32e8e04e 349
pierreprovent 0:77ca32e8e04e 350 #endif /* _FATFS */