Mark Schwarzer / SDFileSystem_A8

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FATFileSystem/ChaN/ff.h@0:a9d72fcb5d03, 2020-11-17 (annotated)

Committer:
markschwarzer
Date:
Tue Nov 17 20:28:59 2020 +0000
Revision:
0:a9d72fcb5d03
logs gps data to SD card

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markschwarzer 0:a9d72fcb5d03 1 /*---------------------------------------------------------------------------/
markschwarzer 0:a9d72fcb5d03 2 / FatFs - FAT file system module include R0.11a (C)ChaN, 2015
markschwarzer 0:a9d72fcb5d03 3 /----------------------------------------------------------------------------/
markschwarzer 0:a9d72fcb5d03 4 / FatFs module is a free software that opened under license policy of
markschwarzer 0:a9d72fcb5d03 5 / following conditions.
markschwarzer 0:a9d72fcb5d03 6 /
markschwarzer 0:a9d72fcb5d03 7 / Copyright (C) 2015, ChaN, all right reserved.
markschwarzer 0:a9d72fcb5d03 8 /
markschwarzer 0:a9d72fcb5d03 9 / 1. Redistributions of source code must retain the above copyright notice,
markschwarzer 0:a9d72fcb5d03 10 / this condition and the following disclaimer.
markschwarzer 0:a9d72fcb5d03 11 /
markschwarzer 0:a9d72fcb5d03 12 / This software is provided by the copyright holder and contributors "AS IS"
markschwarzer 0:a9d72fcb5d03 13 / and any warranties related to this software are DISCLAIMED.
markschwarzer 0:a9d72fcb5d03 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
markschwarzer 0:a9d72fcb5d03 15 / by use of this software.
markschwarzer 0:a9d72fcb5d03 16 /---------------------------------------------------------------------------*/
markschwarzer 0:a9d72fcb5d03 17
markschwarzer 0:a9d72fcb5d03 18
markschwarzer 0:a9d72fcb5d03 19 #ifndef _FATFS
markschwarzer 0:a9d72fcb5d03 20 #define _FATFS 64180 /* Revision ID */
markschwarzer 0:a9d72fcb5d03 21
markschwarzer 0:a9d72fcb5d03 22 #ifdef __cplusplus
markschwarzer 0:a9d72fcb5d03 23 extern "C" {
markschwarzer 0:a9d72fcb5d03 24 #endif
markschwarzer 0:a9d72fcb5d03 25
markschwarzer 0:a9d72fcb5d03 26 #include "integer.h" /* Basic integer types */
markschwarzer 0:a9d72fcb5d03 27 #include "ffconf.h" /* FatFs configuration options */
markschwarzer 0:a9d72fcb5d03 28 #if _FATFS != _FFCONF
markschwarzer 0:a9d72fcb5d03 29 #error Wrong configuration file (ffconf.h).
markschwarzer 0:a9d72fcb5d03 30 #endif
markschwarzer 0:a9d72fcb5d03 31
markschwarzer 0:a9d72fcb5d03 32
markschwarzer 0:a9d72fcb5d03 33
markschwarzer 0:a9d72fcb5d03 34 /* Definitions of volume management */
markschwarzer 0:a9d72fcb5d03 35
markschwarzer 0:a9d72fcb5d03 36 #if _MULTI_PARTITION /* Multiple partition configuration */
markschwarzer 0:a9d72fcb5d03 37 typedef struct {
markschwarzer 0:a9d72fcb5d03 38 BYTE pd; /* Physical drive number */
markschwarzer 0:a9d72fcb5d03 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
markschwarzer 0:a9d72fcb5d03 40 } PARTITION;
markschwarzer 0:a9d72fcb5d03 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
markschwarzer 0:a9d72fcb5d03 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
markschwarzer 0:a9d72fcb5d03 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
markschwarzer 0:a9d72fcb5d03 44
markschwarzer 0:a9d72fcb5d03 45 #else /* Single partition configuration */
markschwarzer 0:a9d72fcb5d03 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
markschwarzer 0:a9d72fcb5d03 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
markschwarzer 0:a9d72fcb5d03 48
markschwarzer 0:a9d72fcb5d03 49 #endif
markschwarzer 0:a9d72fcb5d03 50
markschwarzer 0:a9d72fcb5d03 51
markschwarzer 0:a9d72fcb5d03 52
markschwarzer 0:a9d72fcb5d03 53 /* Type of path name strings on FatFs API */
markschwarzer 0:a9d72fcb5d03 54
markschwarzer 0:a9d72fcb5d03 55 #if _LFN_UNICODE /* Unicode string */
markschwarzer 0:a9d72fcb5d03 56 #if !_USE_LFN
markschwarzer 0:a9d72fcb5d03 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
markschwarzer 0:a9d72fcb5d03 58 #endif
markschwarzer 0:a9d72fcb5d03 59 #ifndef _INC_TCHAR
markschwarzer 0:a9d72fcb5d03 60 typedef WCHAR TCHAR;
markschwarzer 0:a9d72fcb5d03 61 #define _T(x) L ## x
markschwarzer 0:a9d72fcb5d03 62 #define _TEXT(x) L ## x
markschwarzer 0:a9d72fcb5d03 63 #endif
markschwarzer 0:a9d72fcb5d03 64
markschwarzer 0:a9d72fcb5d03 65 #else /* ANSI/OEM string */
markschwarzer 0:a9d72fcb5d03 66 #ifndef _INC_TCHAR
markschwarzer 0:a9d72fcb5d03 67 typedef char TCHAR;
markschwarzer 0:a9d72fcb5d03 68 #define _T(x) x
markschwarzer 0:a9d72fcb5d03 69 #define _TEXT(x) x
markschwarzer 0:a9d72fcb5d03 70 #endif
markschwarzer 0:a9d72fcb5d03 71
markschwarzer 0:a9d72fcb5d03 72 #endif
markschwarzer 0:a9d72fcb5d03 73
markschwarzer 0:a9d72fcb5d03 74
markschwarzer 0:a9d72fcb5d03 75
markschwarzer 0:a9d72fcb5d03 76 /* File system object structure (FATFS) */
markschwarzer 0:a9d72fcb5d03 77
markschwarzer 0:a9d72fcb5d03 78 typedef struct {
markschwarzer 0:a9d72fcb5d03 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
markschwarzer 0:a9d72fcb5d03 80 BYTE drv; /* Physical drive number */
markschwarzer 0:a9d72fcb5d03 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
markschwarzer 0:a9d72fcb5d03 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
markschwarzer 0:a9d72fcb5d03 83 BYTE wflag; /* win[] flag (b0:dirty) */
markschwarzer 0:a9d72fcb5d03 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
markschwarzer 0:a9d72fcb5d03 85 WORD id; /* File system mount ID */
markschwarzer 0:a9d72fcb5d03 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
markschwarzer 0:a9d72fcb5d03 87 #if _MAX_SS != _MIN_SS
markschwarzer 0:a9d72fcb5d03 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
markschwarzer 0:a9d72fcb5d03 89 #endif
markschwarzer 0:a9d72fcb5d03 90 #if _FS_REENTRANT
markschwarzer 0:a9d72fcb5d03 91 _SYNC_t sobj; /* Identifier of sync object */
markschwarzer 0:a9d72fcb5d03 92 #endif
markschwarzer 0:a9d72fcb5d03 93 #if !_FS_READONLY
markschwarzer 0:a9d72fcb5d03 94 DWORD last_clust; /* Last allocated cluster */
markschwarzer 0:a9d72fcb5d03 95 DWORD free_clust; /* Number of free clusters */
markschwarzer 0:a9d72fcb5d03 96 #endif
markschwarzer 0:a9d72fcb5d03 97 #if _FS_RPATH
markschwarzer 0:a9d72fcb5d03 98 DWORD cdir; /* Current directory start cluster (0:root) */
markschwarzer 0:a9d72fcb5d03 99 #endif
markschwarzer 0:a9d72fcb5d03 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
markschwarzer 0:a9d72fcb5d03 101 DWORD fsize; /* Sectors per FAT */
markschwarzer 0:a9d72fcb5d03 102 DWORD volbase; /* Volume start sector */
markschwarzer 0:a9d72fcb5d03 103 DWORD fatbase; /* FAT start sector */
markschwarzer 0:a9d72fcb5d03 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
markschwarzer 0:a9d72fcb5d03 105 DWORD database; /* Data start sector */
markschwarzer 0:a9d72fcb5d03 106 DWORD winsect; /* Current sector appearing in the win[] */
markschwarzer 0:a9d72fcb5d03 107 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
markschwarzer 0:a9d72fcb5d03 108 } FATFS;
markschwarzer 0:a9d72fcb5d03 109
markschwarzer 0:a9d72fcb5d03 110
markschwarzer 0:a9d72fcb5d03 111
markschwarzer 0:a9d72fcb5d03 112 /* File object structure (FIL) */
markschwarzer 0:a9d72fcb5d03 113
markschwarzer 0:a9d72fcb5d03 114 typedef struct {
markschwarzer 0:a9d72fcb5d03 115 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
markschwarzer 0:a9d72fcb5d03 116 WORD id; /* Owner file system mount ID (**do not change order**) */
markschwarzer 0:a9d72fcb5d03 117 BYTE flag; /* Status flags */
markschwarzer 0:a9d72fcb5d03 118 BYTE err; /* Abort flag (error code) */
markschwarzer 0:a9d72fcb5d03 119 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
markschwarzer 0:a9d72fcb5d03 120 DWORD fsize; /* File size */
markschwarzer 0:a9d72fcb5d03 121 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
markschwarzer 0:a9d72fcb5d03 122 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
markschwarzer 0:a9d72fcb5d03 123 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
markschwarzer 0:a9d72fcb5d03 124 #if !_FS_READONLY
markschwarzer 0:a9d72fcb5d03 125 DWORD dir_sect; /* Sector number containing the directory entry */
markschwarzer 0:a9d72fcb5d03 126 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
markschwarzer 0:a9d72fcb5d03 127 #endif
markschwarzer 0:a9d72fcb5d03 128 #if _USE_FASTSEEK
markschwarzer 0:a9d72fcb5d03 129 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
markschwarzer 0:a9d72fcb5d03 130 #endif
markschwarzer 0:a9d72fcb5d03 131 #if _FS_LOCK
markschwarzer 0:a9d72fcb5d03 132 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
markschwarzer 0:a9d72fcb5d03 133 #endif
markschwarzer 0:a9d72fcb5d03 134 #if !_FS_TINY
markschwarzer 0:a9d72fcb5d03 135 BYTE buf[_MAX_SS]; /* File private data read/write window */
markschwarzer 0:a9d72fcb5d03 136 #endif
markschwarzer 0:a9d72fcb5d03 137 } FIL;
markschwarzer 0:a9d72fcb5d03 138
markschwarzer 0:a9d72fcb5d03 139
markschwarzer 0:a9d72fcb5d03 140
markschwarzer 0:a9d72fcb5d03 141 /* Directory object structure (FATFS_DIR) */
markschwarzer 0:a9d72fcb5d03 142
markschwarzer 0:a9d72fcb5d03 143 typedef struct {
markschwarzer 0:a9d72fcb5d03 144 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
markschwarzer 0:a9d72fcb5d03 145 WORD id; /* Owner file system mount ID (**do not change order**) */
markschwarzer 0:a9d72fcb5d03 146 WORD index; /* Current read/write index number */
markschwarzer 0:a9d72fcb5d03 147 DWORD sclust; /* Table start cluster (0:Root dir) */
markschwarzer 0:a9d72fcb5d03 148 DWORD clust; /* Current cluster */
markschwarzer 0:a9d72fcb5d03 149 DWORD sect; /* Current sector */
markschwarzer 0:a9d72fcb5d03 150 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
markschwarzer 0:a9d72fcb5d03 151 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
markschwarzer 0:a9d72fcb5d03 152 #if _FS_LOCK
markschwarzer 0:a9d72fcb5d03 153 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
markschwarzer 0:a9d72fcb5d03 154 #endif
markschwarzer 0:a9d72fcb5d03 155 #if _USE_LFN
markschwarzer 0:a9d72fcb5d03 156 WCHAR* lfn; /* Pointer to the LFN working buffer */
markschwarzer 0:a9d72fcb5d03 157 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
markschwarzer 0:a9d72fcb5d03 158 #endif
markschwarzer 0:a9d72fcb5d03 159 #if _USE_FIND
markschwarzer 0:a9d72fcb5d03 160 const TCHAR* pat; /* Pointer to the name matching pattern */
markschwarzer 0:a9d72fcb5d03 161 #endif
markschwarzer 0:a9d72fcb5d03 162 } FATFS_DIR;
markschwarzer 0:a9d72fcb5d03 163
markschwarzer 0:a9d72fcb5d03 164
markschwarzer 0:a9d72fcb5d03 165
markschwarzer 0:a9d72fcb5d03 166 /* File information structure (FILINFO) */
markschwarzer 0:a9d72fcb5d03 167
markschwarzer 0:a9d72fcb5d03 168 typedef struct {
markschwarzer 0:a9d72fcb5d03 169 DWORD fsize; /* File size */
markschwarzer 0:a9d72fcb5d03 170 WORD fdate; /* Last modified date */
markschwarzer 0:a9d72fcb5d03 171 WORD ftime; /* Last modified time */
markschwarzer 0:a9d72fcb5d03 172 BYTE fattrib; /* Attribute */
markschwarzer 0:a9d72fcb5d03 173 TCHAR fname[13]; /* Short file name (8.3 format) */
markschwarzer 0:a9d72fcb5d03 174 #if _USE_LFN
markschwarzer 0:a9d72fcb5d03 175 TCHAR* lfname; /* Pointer to the LFN buffer */
markschwarzer 0:a9d72fcb5d03 176 UINT lfsize; /* Size of LFN buffer in TCHAR */
markschwarzer 0:a9d72fcb5d03 177 #endif
markschwarzer 0:a9d72fcb5d03 178 } FILINFO;
markschwarzer 0:a9d72fcb5d03 179
markschwarzer 0:a9d72fcb5d03 180
markschwarzer 0:a9d72fcb5d03 181
markschwarzer 0:a9d72fcb5d03 182 /* File function return code (FRESULT) */
markschwarzer 0:a9d72fcb5d03 183
markschwarzer 0:a9d72fcb5d03 184 typedef enum {
markschwarzer 0:a9d72fcb5d03 185 FR_OK = 0, /* (0) Succeeded */
markschwarzer 0:a9d72fcb5d03 186 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
markschwarzer 0:a9d72fcb5d03 187 FR_INT_ERR, /* (2) Assertion failed */
markschwarzer 0:a9d72fcb5d03 188 FR_NOT_READY, /* (3) The physical drive cannot work */
markschwarzer 0:a9d72fcb5d03 189 FR_NO_FILE, /* (4) Could not find the file */
markschwarzer 0:a9d72fcb5d03 190 FR_NO_PATH, /* (5) Could not find the path */
markschwarzer 0:a9d72fcb5d03 191 FR_INVALID_NAME, /* (6) The path name format is invalid */
markschwarzer 0:a9d72fcb5d03 192 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
markschwarzer 0:a9d72fcb5d03 193 FR_EXIST, /* (8) Access denied due to prohibited access */
markschwarzer 0:a9d72fcb5d03 194 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
markschwarzer 0:a9d72fcb5d03 195 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
markschwarzer 0:a9d72fcb5d03 196 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
markschwarzer 0:a9d72fcb5d03 197 FR_NOT_ENABLED, /* (12) The volume has no work area */
markschwarzer 0:a9d72fcb5d03 198 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
markschwarzer 0:a9d72fcb5d03 199 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
markschwarzer 0:a9d72fcb5d03 200 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
markschwarzer 0:a9d72fcb5d03 201 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
markschwarzer 0:a9d72fcb5d03 202 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
markschwarzer 0:a9d72fcb5d03 203 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */
markschwarzer 0:a9d72fcb5d03 204 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
markschwarzer 0:a9d72fcb5d03 205 } FRESULT;
markschwarzer 0:a9d72fcb5d03 206
markschwarzer 0:a9d72fcb5d03 207
markschwarzer 0:a9d72fcb5d03 208
markschwarzer 0:a9d72fcb5d03 209 /*--------------------------------------------------------------*/
markschwarzer 0:a9d72fcb5d03 210 /* FatFs module application interface */
markschwarzer 0:a9d72fcb5d03 211
markschwarzer 0:a9d72fcb5d03 212 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
markschwarzer 0:a9d72fcb5d03 213 FRESULT f_close (FIL* fp); /* Close an open file object */
markschwarzer 0:a9d72fcb5d03 214 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
markschwarzer 0:a9d72fcb5d03 215 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
markschwarzer 0:a9d72fcb5d03 216 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
markschwarzer 0:a9d72fcb5d03 217 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
markschwarzer 0:a9d72fcb5d03 218 FRESULT f_truncate (FIL* fp); /* Truncate file */
markschwarzer 0:a9d72fcb5d03 219 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
markschwarzer 0:a9d72fcb5d03 220 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
markschwarzer 0:a9d72fcb5d03 221 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
markschwarzer 0:a9d72fcb5d03 222 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
markschwarzer 0:a9d72fcb5d03 223 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
markschwarzer 0:a9d72fcb5d03 224 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
markschwarzer 0:a9d72fcb5d03 225 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
markschwarzer 0:a9d72fcb5d03 226 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
markschwarzer 0:a9d72fcb5d03 227 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
markschwarzer 0:a9d72fcb5d03 228 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
markschwarzer 0:a9d72fcb5d03 229 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */
markschwarzer 0:a9d72fcb5d03 230 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
markschwarzer 0:a9d72fcb5d03 231 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
markschwarzer 0:a9d72fcb5d03 232 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
markschwarzer 0:a9d72fcb5d03 233 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
markschwarzer 0:a9d72fcb5d03 234 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
markschwarzer 0:a9d72fcb5d03 235 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
markschwarzer 0:a9d72fcb5d03 236 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
markschwarzer 0:a9d72fcb5d03 237 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
markschwarzer 0:a9d72fcb5d03 238 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
markschwarzer 0:a9d72fcb5d03 239 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
markschwarzer 0:a9d72fcb5d03 240 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
markschwarzer 0:a9d72fcb5d03 241 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
markschwarzer 0:a9d72fcb5d03 242 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
markschwarzer 0:a9d72fcb5d03 243 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
markschwarzer 0:a9d72fcb5d03 244
markschwarzer 0:a9d72fcb5d03 245 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
markschwarzer 0:a9d72fcb5d03 246 #define f_error(fp) ((fp)->err)
markschwarzer 0:a9d72fcb5d03 247 #define f_tell(fp) ((fp)->fptr)
markschwarzer 0:a9d72fcb5d03 248 #define f_size(fp) ((fp)->fsize)
markschwarzer 0:a9d72fcb5d03 249 #define f_rewind(fp) f_lseek((fp), 0)
markschwarzer 0:a9d72fcb5d03 250 #define f_rewinddir(dp) f_readdir((dp), 0)
markschwarzer 0:a9d72fcb5d03 251
markschwarzer 0:a9d72fcb5d03 252 #ifndef EOF
markschwarzer 0:a9d72fcb5d03 253 #define EOF (-1)
markschwarzer 0:a9d72fcb5d03 254 #endif
markschwarzer 0:a9d72fcb5d03 255
markschwarzer 0:a9d72fcb5d03 256
markschwarzer 0:a9d72fcb5d03 257
markschwarzer 0:a9d72fcb5d03 258
markschwarzer 0:a9d72fcb5d03 259 /*--------------------------------------------------------------*/
markschwarzer 0:a9d72fcb5d03 260 /* Additional user defined functions */
markschwarzer 0:a9d72fcb5d03 261
markschwarzer 0:a9d72fcb5d03 262 /* RTC function */
markschwarzer 0:a9d72fcb5d03 263 #if !_FS_READONLY && !_FS_NORTC
markschwarzer 0:a9d72fcb5d03 264 DWORD get_fattime (void);
markschwarzer 0:a9d72fcb5d03 265 #endif
markschwarzer 0:a9d72fcb5d03 266
markschwarzer 0:a9d72fcb5d03 267 /* Unicode support functions */
markschwarzer 0:a9d72fcb5d03 268 #if _USE_LFN /* Unicode - OEM code conversion */
markschwarzer 0:a9d72fcb5d03 269 WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
markschwarzer 0:a9d72fcb5d03 270 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
markschwarzer 0:a9d72fcb5d03 271 #if _USE_LFN == 3 /* Memory functions */
markschwarzer 0:a9d72fcb5d03 272 void* ff_memalloc (UINT msize); /* Allocate memory block */
markschwarzer 0:a9d72fcb5d03 273 void ff_memfree (void* mblock); /* Free memory block */
markschwarzer 0:a9d72fcb5d03 274 #endif
markschwarzer 0:a9d72fcb5d03 275 #endif
markschwarzer 0:a9d72fcb5d03 276
markschwarzer 0:a9d72fcb5d03 277 /* Sync functions */
markschwarzer 0:a9d72fcb5d03 278 #if _FS_REENTRANT
markschwarzer 0:a9d72fcb5d03 279 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
markschwarzer 0:a9d72fcb5d03 280 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
markschwarzer 0:a9d72fcb5d03 281 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
markschwarzer 0:a9d72fcb5d03 282 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
markschwarzer 0:a9d72fcb5d03 283 #endif
markschwarzer 0:a9d72fcb5d03 284
markschwarzer 0:a9d72fcb5d03 285
markschwarzer 0:a9d72fcb5d03 286
markschwarzer 0:a9d72fcb5d03 287
markschwarzer 0:a9d72fcb5d03 288 /*--------------------------------------------------------------*/
markschwarzer 0:a9d72fcb5d03 289 /* Flags and offset address */
markschwarzer 0:a9d72fcb5d03 290
markschwarzer 0:a9d72fcb5d03 291
markschwarzer 0:a9d72fcb5d03 292 /* File access control and file status flags (FIL.flag) */
markschwarzer 0:a9d72fcb5d03 293
markschwarzer 0:a9d72fcb5d03 294 #define FA_READ 0x01
markschwarzer 0:a9d72fcb5d03 295 #define FA_OPEN_EXISTING 0x00
markschwarzer 0:a9d72fcb5d03 296
markschwarzer 0:a9d72fcb5d03 297 #if !_FS_READONLY
markschwarzer 0:a9d72fcb5d03 298 #define FA_WRITE 0x02
markschwarzer 0:a9d72fcb5d03 299 #define FA_CREATE_NEW 0x04
markschwarzer 0:a9d72fcb5d03 300 #define FA_CREATE_ALWAYS 0x08
markschwarzer 0:a9d72fcb5d03 301 #define FA_OPEN_ALWAYS 0x10
markschwarzer 0:a9d72fcb5d03 302 #define FA__WRITTEN 0x20
markschwarzer 0:a9d72fcb5d03 303 #define FA__DIRTY 0x40
markschwarzer 0:a9d72fcb5d03 304 #endif
markschwarzer 0:a9d72fcb5d03 305
markschwarzer 0:a9d72fcb5d03 306
markschwarzer 0:a9d72fcb5d03 307 /* FAT sub type (FATFS.fs_type) */
markschwarzer 0:a9d72fcb5d03 308
markschwarzer 0:a9d72fcb5d03 309 #define FS_FAT12 1
markschwarzer 0:a9d72fcb5d03 310 #define FS_FAT16 2
markschwarzer 0:a9d72fcb5d03 311 #define FS_FAT32 3
markschwarzer 0:a9d72fcb5d03 312
markschwarzer 0:a9d72fcb5d03 313
markschwarzer 0:a9d72fcb5d03 314 /* File attribute bits for directory entry */
markschwarzer 0:a9d72fcb5d03 315
markschwarzer 0:a9d72fcb5d03 316 #define AM_RDO 0x01 /* Read only */
markschwarzer 0:a9d72fcb5d03 317 #define AM_HID 0x02 /* Hidden */
markschwarzer 0:a9d72fcb5d03 318 #define AM_SYS 0x04 /* System */
markschwarzer 0:a9d72fcb5d03 319 #define AM_VOL 0x08 /* Volume label */
markschwarzer 0:a9d72fcb5d03 320 #define AM_LFN 0x0F /* LFN entry */
markschwarzer 0:a9d72fcb5d03 321 #define AM_DIR 0x10 /* Directory */
markschwarzer 0:a9d72fcb5d03 322 #define AM_ARC 0x20 /* Archive */
markschwarzer 0:a9d72fcb5d03 323 #define AM_MASK 0x3F /* Mask of defined bits */
markschwarzer 0:a9d72fcb5d03 324
markschwarzer 0:a9d72fcb5d03 325
markschwarzer 0:a9d72fcb5d03 326 /* Fast seek feature */
markschwarzer 0:a9d72fcb5d03 327 #define CREATE_LINKMAP 0xFFFFFFFF
markschwarzer 0:a9d72fcb5d03 328
markschwarzer 0:a9d72fcb5d03 329
markschwarzer 0:a9d72fcb5d03 330
markschwarzer 0:a9d72fcb5d03 331 /*--------------------------------*/
markschwarzer 0:a9d72fcb5d03 332 /* Multi-byte word access macros */
markschwarzer 0:a9d72fcb5d03 333
markschwarzer 0:a9d72fcb5d03 334 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
markschwarzer 0:a9d72fcb5d03 335 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
markschwarzer 0:a9d72fcb5d03 336 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
markschwarzer 0:a9d72fcb5d03 337 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
markschwarzer 0:a9d72fcb5d03 338 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
markschwarzer 0:a9d72fcb5d03 339 #else /* Use byte-by-byte access to the FAT structure */
markschwarzer 0:a9d72fcb5d03 340 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
markschwarzer 0:a9d72fcb5d03 341 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
markschwarzer 0:a9d72fcb5d03 342 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
markschwarzer 0:a9d72fcb5d03 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)
markschwarzer 0:a9d72fcb5d03 344 #endif
markschwarzer 0:a9d72fcb5d03 345
markschwarzer 0:a9d72fcb5d03 346 #ifdef __cplusplus
markschwarzer 0:a9d72fcb5d03 347 }
markschwarzer 0:a9d72fcb5d03 348 #endif
markschwarzer 0:a9d72fcb5d03 349
markschwarzer 0:a9d72fcb5d03 350 #endif /* _FATFS */