Joerg Schmalzl / USBHost_DISCO-F746NG_joerg

USB lib Joerg

Fork of USBHost_DISCO-F746NG by Dieter Graef

FATFileSystem/ChaN/ff.h@26:49c13dfc95d0, 2016-11-30 (annotated)

Committer:
schmalzl
Date:
Wed Nov 30 10:51:48 2016 +0000
Revision:
26:49c13dfc95d0
Parent:
24:5396b6a93262 
Turbo Ede v1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 24:5396b6a93262 1 /*---------------------------------------------------------------------------/
DieterGraef 24:5396b6a93262 2 / FatFs - FAT file system module include R0.11 (C)ChaN, 2015
DieterGraef 24:5396b6a93262 3 /----------------------------------------------------------------------------/
DieterGraef 24:5396b6a93262 4 / FatFs module is a free software that opened under license policy of
DieterGraef 24:5396b6a93262 5 / following conditions.
DieterGraef 24:5396b6a93262 6 /
DieterGraef 24:5396b6a93262 7 / Copyright (C) 2015, ChaN, all right reserved.
DieterGraef 24:5396b6a93262 8 /
DieterGraef 24:5396b6a93262 9 / 1. Redistributions of source code must retain the above copyright notice,
DieterGraef 24:5396b6a93262 10 / this condition and the following disclaimer.
DieterGraef 24:5396b6a93262 11 /
DieterGraef 24:5396b6a93262 12 / This software is provided by the copyright holder and contributors "AS IS"
DieterGraef 24:5396b6a93262 13 / and any warranties related to this software are DISCLAIMED.
DieterGraef 24:5396b6a93262 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
DieterGraef 24:5396b6a93262 15 / by use of this software.
DieterGraef 24:5396b6a93262 16 /---------------------------------------------------------------------------*/
DieterGraef 24:5396b6a93262 17
DieterGraef 24:5396b6a93262 18
DieterGraef 24:5396b6a93262 19 #ifndef _FATFS
DieterGraef 24:5396b6a93262 20 #define _FATFS 32020 /* Revision ID */
DieterGraef 24:5396b6a93262 21
DieterGraef 24:5396b6a93262 22 #ifdef __cplusplus
DieterGraef 24:5396b6a93262 23 extern "C" {
DieterGraef 24:5396b6a93262 24 #endif
DieterGraef 24:5396b6a93262 25
DieterGraef 24:5396b6a93262 26 #include "integer.h" /* Basic integer types */
DieterGraef 24:5396b6a93262 27 #include "ffconf.h" /* FatFs configuration options */
DieterGraef 24:5396b6a93262 28 #if _FATFS != _FFCONF
DieterGraef 24:5396b6a93262 29 #error Wrong configuration file (ffconf.h).
DieterGraef 24:5396b6a93262 30 #endif
DieterGraef 24:5396b6a93262 31
DieterGraef 24:5396b6a93262 32
DieterGraef 24:5396b6a93262 33
DieterGraef 24:5396b6a93262 34 /* Definitions of volume management */
DieterGraef 24:5396b6a93262 35
DieterGraef 24:5396b6a93262 36 #if _MULTI_PARTITION /* Multiple partition configuration */
DieterGraef 24:5396b6a93262 37 typedef struct {
DieterGraef 24:5396b6a93262 38 BYTE pd; /* Physical drive number */
DieterGraef 24:5396b6a93262 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
DieterGraef 24:5396b6a93262 40 } PARTITION;
DieterGraef 24:5396b6a93262 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
DieterGraef 24:5396b6a93262 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
DieterGraef 24:5396b6a93262 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
DieterGraef 24:5396b6a93262 44
DieterGraef 24:5396b6a93262 45 #else /* Single partition configuration */
DieterGraef 24:5396b6a93262 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
DieterGraef 24:5396b6a93262 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
DieterGraef 24:5396b6a93262 48
DieterGraef 24:5396b6a93262 49 #endif
DieterGraef 24:5396b6a93262 50
DieterGraef 24:5396b6a93262 51
DieterGraef 24:5396b6a93262 52
DieterGraef 24:5396b6a93262 53 /* Type of path name strings on FatFs API */
DieterGraef 24:5396b6a93262 54
DieterGraef 24:5396b6a93262 55 #if _LFN_UNICODE /* Unicode string */
DieterGraef 24:5396b6a93262 56 #if !_USE_LFN
DieterGraef 24:5396b6a93262 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
DieterGraef 24:5396b6a93262 58 #endif
DieterGraef 24:5396b6a93262 59 #ifndef _INC_TCHAR
DieterGraef 24:5396b6a93262 60 typedef WCHAR TCHAR;
DieterGraef 24:5396b6a93262 61 #define _T(x) L ## x
DieterGraef 24:5396b6a93262 62 #define _TEXT(x) L ## x
DieterGraef 24:5396b6a93262 63 #endif
DieterGraef 24:5396b6a93262 64
DieterGraef 24:5396b6a93262 65 #else /* ANSI/OEM string */
DieterGraef 24:5396b6a93262 66 #ifndef _INC_TCHAR
DieterGraef 24:5396b6a93262 67 typedef char TCHAR;
DieterGraef 24:5396b6a93262 68 #define _T(x) x
DieterGraef 24:5396b6a93262 69 #define _TEXT(x) x
DieterGraef 24:5396b6a93262 70 #endif
DieterGraef 24:5396b6a93262 71
DieterGraef 24:5396b6a93262 72 #endif
DieterGraef 24:5396b6a93262 73
DieterGraef 24:5396b6a93262 74
DieterGraef 24:5396b6a93262 75
DieterGraef 24:5396b6a93262 76 /* File system object structure (FATFS) */
DieterGraef 24:5396b6a93262 77
DieterGraef 24:5396b6a93262 78 typedef struct {
DieterGraef 24:5396b6a93262 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
DieterGraef 24:5396b6a93262 80 BYTE drv; /* Physical drive number */
DieterGraef 24:5396b6a93262 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
DieterGraef 24:5396b6a93262 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
DieterGraef 24:5396b6a93262 83 BYTE wflag; /* win[] flag (b0:dirty) */
DieterGraef 24:5396b6a93262 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
DieterGraef 24:5396b6a93262 85 WORD id; /* File system mount ID */
DieterGraef 24:5396b6a93262 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
DieterGraef 24:5396b6a93262 87 #if _MAX_SS != _MIN_SS
DieterGraef 24:5396b6a93262 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
DieterGraef 24:5396b6a93262 89 #endif
DieterGraef 24:5396b6a93262 90 #if _FS_REENTRANT
DieterGraef 24:5396b6a93262 91 _SYNC_t sobj; /* Identifier of sync object */
DieterGraef 24:5396b6a93262 92 #endif
DieterGraef 24:5396b6a93262 93 #if !_FS_READONLY
DieterGraef 24:5396b6a93262 94 DWORD last_clust; /* Last allocated cluster */
DieterGraef 24:5396b6a93262 95 DWORD free_clust; /* Number of free clusters */
DieterGraef 24:5396b6a93262 96 #endif
DieterGraef 24:5396b6a93262 97 #if _FS_RPATH
DieterGraef 24:5396b6a93262 98 DWORD cdir; /* Current directory start cluster (0:root) */
DieterGraef 24:5396b6a93262 99 #endif
DieterGraef 24:5396b6a93262 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
DieterGraef 24:5396b6a93262 101 DWORD fsize; /* Sectors per FAT */
DieterGraef 24:5396b6a93262 102 DWORD volbase; /* Volume start sector */
DieterGraef 24:5396b6a93262 103 DWORD fatbase; /* FAT start sector */
DieterGraef 24:5396b6a93262 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
DieterGraef 24:5396b6a93262 105 DWORD database; /* Data start sector */
DieterGraef 24:5396b6a93262 106 DWORD winsect; /* Current sector appearing in the win[] */
DieterGraef 24:5396b6a93262 107 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
DieterGraef 24:5396b6a93262 108 } FATFS;
DieterGraef 24:5396b6a93262 109
DieterGraef 24:5396b6a93262 110
DieterGraef 24:5396b6a93262 111
DieterGraef 24:5396b6a93262 112 /* File object structure (FIL) */
DieterGraef 24:5396b6a93262 113
DieterGraef 24:5396b6a93262 114 typedef struct {
DieterGraef 24:5396b6a93262 115 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
DieterGraef 24:5396b6a93262 116 WORD id; /* Owner file system mount ID (**do not change order**) */
DieterGraef 24:5396b6a93262 117 BYTE flag; /* Status flags */
DieterGraef 24:5396b6a93262 118 BYTE err; /* Abort flag (error code) */
DieterGraef 24:5396b6a93262 119 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
DieterGraef 24:5396b6a93262 120 DWORD fsize; /* File size */
DieterGraef 24:5396b6a93262 121 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
DieterGraef 24:5396b6a93262 122 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
DieterGraef 24:5396b6a93262 123 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
DieterGraef 24:5396b6a93262 124 #if !_FS_READONLY
DieterGraef 24:5396b6a93262 125 DWORD dir_sect; /* Sector number containing the directory entry */
DieterGraef 24:5396b6a93262 126 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
DieterGraef 24:5396b6a93262 127 #endif
DieterGraef 24:5396b6a93262 128 #if _USE_FASTSEEK
DieterGraef 24:5396b6a93262 129 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
DieterGraef 24:5396b6a93262 130 #endif
DieterGraef 24:5396b6a93262 131 #if _FS_LOCK
DieterGraef 24:5396b6a93262 132 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
DieterGraef 24:5396b6a93262 133 #endif
DieterGraef 24:5396b6a93262 134 #if !_FS_TINY
DieterGraef 24:5396b6a93262 135 BYTE buf[_MAX_SS]; /* File private data read/write window */
DieterGraef 24:5396b6a93262 136 #endif
DieterGraef 24:5396b6a93262 137 } FIL;
DieterGraef 24:5396b6a93262 138
DieterGraef 24:5396b6a93262 139
DieterGraef 24:5396b6a93262 140
DieterGraef 24:5396b6a93262 141 /* Directory object structure (FATFS_DIR) */
DieterGraef 24:5396b6a93262 142
DieterGraef 24:5396b6a93262 143 typedef struct {
DieterGraef 24:5396b6a93262 144 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
DieterGraef 24:5396b6a93262 145 WORD id; /* Owner file system mount ID (**do not change order**) */
DieterGraef 24:5396b6a93262 146 WORD index; /* Current read/write index number */
DieterGraef 24:5396b6a93262 147 DWORD sclust; /* Table start cluster (0:Root FATFS_DIR) */
DieterGraef 24:5396b6a93262 148 DWORD clust; /* Current cluster */
DieterGraef 24:5396b6a93262 149 DWORD sect; /* Current sector */
DieterGraef 24:5396b6a93262 150 BYTE* FATFS_DIR; /* Pointer to the current SFN entry in the win[] */
DieterGraef 24:5396b6a93262 151 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
DieterGraef 24:5396b6a93262 152 #if _FS_LOCK
DieterGraef 24:5396b6a93262 153 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
DieterGraef 24:5396b6a93262 154 #endif
DieterGraef 24:5396b6a93262 155 #if _USE_LFN
DieterGraef 24:5396b6a93262 156 WCHAR* lfn; /* Pointer to the LFN working buffer */
DieterGraef 24:5396b6a93262 157 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
DieterGraef 24:5396b6a93262 158 #endif
DieterGraef 24:5396b6a93262 159 #if _USE_FIND
DieterGraef 24:5396b6a93262 160 const TCHAR* pat; /* Pointer to the name matching pattern */
DieterGraef 24:5396b6a93262 161 #endif
DieterGraef 24:5396b6a93262 162 } FATFS_DIR;
DieterGraef 24:5396b6a93262 163
DieterGraef 24:5396b6a93262 164
DieterGraef 24:5396b6a93262 165
DieterGraef 24:5396b6a93262 166 /* File information structure (FILINFO) */
DieterGraef 24:5396b6a93262 167
DieterGraef 24:5396b6a93262 168 typedef struct {
DieterGraef 24:5396b6a93262 169 DWORD fsize; /* File size */
DieterGraef 24:5396b6a93262 170 WORD fdate; /* Last modified date */
DieterGraef 24:5396b6a93262 171 WORD ftime; /* Last modified time */
DieterGraef 24:5396b6a93262 172 BYTE fattrib; /* Attribute */
DieterGraef 24:5396b6a93262 173 TCHAR fname[13]; /* Short file name (8.3 format) */
DieterGraef 24:5396b6a93262 174 #if _USE_LFN
DieterGraef 24:5396b6a93262 175 TCHAR* lfname; /* Pointer to the LFN buffer */
DieterGraef 24:5396b6a93262 176 UINT lfsize; /* Size of LFN buffer in TCHAR */
DieterGraef 24:5396b6a93262 177 #endif
DieterGraef 24:5396b6a93262 178 } FILINFO;
DieterGraef 24:5396b6a93262 179
DieterGraef 24:5396b6a93262 180
DieterGraef 24:5396b6a93262 181
DieterGraef 24:5396b6a93262 182 /* File function return code (FRESULT) */
DieterGraef 24:5396b6a93262 183
DieterGraef 24:5396b6a93262 184 typedef enum {
DieterGraef 24:5396b6a93262 185 FR_OK = 0, /* (0) Succeeded */
DieterGraef 24:5396b6a93262 186 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
DieterGraef 24:5396b6a93262 187 FR_INT_ERR, /* (2) Assertion failed */
DieterGraef 24:5396b6a93262 188 FR_NOT_READY, /* (3) The physical drive cannot work */
DieterGraef 24:5396b6a93262 189 FR_NO_FILE, /* (4) Could not find the file */
DieterGraef 24:5396b6a93262 190 FR_NO_PATH, /* (5) Could not find the path */
DieterGraef 24:5396b6a93262 191 FR_INVALID_NAME, /* (6) The path name format is invalid */
DieterGraef 24:5396b6a93262 192 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
DieterGraef 24:5396b6a93262 193 FR_EXIST, /* (8) Access denied due to prohibited access */
DieterGraef 24:5396b6a93262 194 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
DieterGraef 24:5396b6a93262 195 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
DieterGraef 24:5396b6a93262 196 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
DieterGraef 24:5396b6a93262 197 FR_NOT_ENABLED, /* (12) The volume has no work area */
DieterGraef 24:5396b6a93262 198 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
DieterGraef 24:5396b6a93262 199 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
DieterGraef 24:5396b6a93262 200 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
DieterGraef 24:5396b6a93262 201 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
DieterGraef 24:5396b6a93262 202 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
DieterGraef 24:5396b6a93262 203 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
DieterGraef 24:5396b6a93262 204 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
DieterGraef 24:5396b6a93262 205 } FRESULT;
DieterGraef 24:5396b6a93262 206
DieterGraef 24:5396b6a93262 207
DieterGraef 24:5396b6a93262 208
DieterGraef 24:5396b6a93262 209 /*--------------------------------------------------------------*/
DieterGraef 24:5396b6a93262 210 /* FatFs module application interface */
DieterGraef 24:5396b6a93262 211
DieterGraef 24:5396b6a93262 212 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
DieterGraef 24:5396b6a93262 213 FRESULT f_close (FIL* fp); /* Close an open file object */
DieterGraef 24:5396b6a93262 214 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
DieterGraef 24:5396b6a93262 215 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
DieterGraef 24:5396b6a93262 216 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
DieterGraef 24:5396b6a93262 217 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
DieterGraef 24:5396b6a93262 218 FRESULT f_truncate (FIL* fp); /* Truncate file */
DieterGraef 24:5396b6a93262 219 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
DieterGraef 24:5396b6a93262 220 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
DieterGraef 24:5396b6a93262 221 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
DieterGraef 24:5396b6a93262 222 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
DieterGraef 24:5396b6a93262 223 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
DieterGraef 24:5396b6a93262 224 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
DieterGraef 24:5396b6a93262 225 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
DieterGraef 24:5396b6a93262 226 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
DieterGraef 24:5396b6a93262 227 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
DieterGraef 24:5396b6a93262 228 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
DieterGraef 24:5396b6a93262 229 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/FATFS_DIR */
DieterGraef 24:5396b6a93262 230 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/FATFS_DIR */
DieterGraef 24:5396b6a93262 231 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
DieterGraef 24:5396b6a93262 232 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
DieterGraef 24:5396b6a93262 233 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
DieterGraef 24:5396b6a93262 234 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
DieterGraef 24:5396b6a93262 235 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
DieterGraef 24:5396b6a93262 236 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
DieterGraef 24:5396b6a93262 237 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
DieterGraef 24:5396b6a93262 238 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
DieterGraef 24:5396b6a93262 239 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
DieterGraef 24:5396b6a93262 240 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
DieterGraef 24:5396b6a93262 241 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
DieterGraef 24:5396b6a93262 242 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
DieterGraef 24:5396b6a93262 243 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
DieterGraef 24:5396b6a93262 244
DieterGraef 24:5396b6a93262 245 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
DieterGraef 24:5396b6a93262 246 #define f_error(fp) ((fp)->err)
DieterGraef 24:5396b6a93262 247 #define f_tell(fp) ((fp)->fptr)
DieterGraef 24:5396b6a93262 248 #define f_size(fp) ((fp)->fsize)
DieterGraef 24:5396b6a93262 249 #define f_rewind(fp) f_lseek((fp), 0)
DieterGraef 24:5396b6a93262 250 #define f_rewinddir(dp) f_readdir((dp), 0)
DieterGraef 24:5396b6a93262 251
DieterGraef 24:5396b6a93262 252 #ifndef EOF
DieterGraef 24:5396b6a93262 253 #define EOF (-1)
DieterGraef 24:5396b6a93262 254 #endif
DieterGraef 24:5396b6a93262 255
DieterGraef 24:5396b6a93262 256
DieterGraef 24:5396b6a93262 257
DieterGraef 24:5396b6a93262 258
DieterGraef 24:5396b6a93262 259 /*--------------------------------------------------------------*/
DieterGraef 24:5396b6a93262 260 /* Additional user defined functions */
DieterGraef 24:5396b6a93262 261
DieterGraef 24:5396b6a93262 262 /* RTC function */
DieterGraef 24:5396b6a93262 263 #if !_FS_READONLY && !_FS_NORTC
DieterGraef 24:5396b6a93262 264 DWORD get_fattime (void);
DieterGraef 24:5396b6a93262 265 #endif
DieterGraef 24:5396b6a93262 266
DieterGraef 24:5396b6a93262 267 /* Unicode support functions */
DieterGraef 24:5396b6a93262 268 #if _USE_LFN /* Unicode - OEM code conversion */
DieterGraef 24:5396b6a93262 269 WCHAR ff_convert (WCHAR chr, UINT FATFS_DIR); /* OEM-Unicode bidirectional conversion */
DieterGraef 24:5396b6a93262 270 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
DieterGraef 24:5396b6a93262 271 #if _USE_LFN == 3 /* Memory functions */
DieterGraef 24:5396b6a93262 272 void* ff_memalloc (UINT msize); /* Allocate memory block */
DieterGraef 24:5396b6a93262 273 void ff_memfree (void* mblock); /* Free memory block */
DieterGraef 24:5396b6a93262 274 #endif
DieterGraef 24:5396b6a93262 275 #endif
DieterGraef 24:5396b6a93262 276
DieterGraef 24:5396b6a93262 277 /* Sync functions */
DieterGraef 24:5396b6a93262 278 #if _FS_REENTRANT
DieterGraef 24:5396b6a93262 279 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
DieterGraef 24:5396b6a93262 280 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
DieterGraef 24:5396b6a93262 281 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
DieterGraef 24:5396b6a93262 282 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
DieterGraef 24:5396b6a93262 283 #endif
DieterGraef 24:5396b6a93262 284
DieterGraef 24:5396b6a93262 285
DieterGraef 24:5396b6a93262 286
DieterGraef 24:5396b6a93262 287
DieterGraef 24:5396b6a93262 288 /*--------------------------------------------------------------*/
DieterGraef 24:5396b6a93262 289 /* Flags and offset address */
DieterGraef 24:5396b6a93262 290
DieterGraef 24:5396b6a93262 291
DieterGraef 24:5396b6a93262 292 /* File access control and file status flags (FIL.flag) */
DieterGraef 24:5396b6a93262 293
DieterGraef 24:5396b6a93262 294 #define FA_READ 0x01
DieterGraef 24:5396b6a93262 295 #define FA_OPEN_EXISTING 0x00
DieterGraef 24:5396b6a93262 296
DieterGraef 24:5396b6a93262 297 #if !_FS_READONLY
DieterGraef 24:5396b6a93262 298 #define FA_WRITE 0x02
DieterGraef 24:5396b6a93262 299 #define FA_CREATE_NEW 0x04
DieterGraef 24:5396b6a93262 300 #define FA_CREATE_ALWAYS 0x08
DieterGraef 24:5396b6a93262 301 #define FA_OPEN_ALWAYS 0x10
DieterGraef 24:5396b6a93262 302 #define FA__WRITTEN 0x20
DieterGraef 24:5396b6a93262 303 #define FA__DIRTY 0x40
DieterGraef 24:5396b6a93262 304 #endif
DieterGraef 24:5396b6a93262 305
DieterGraef 24:5396b6a93262 306
DieterGraef 24:5396b6a93262 307 /* FAT sub type (FATFS.fs_type) */
DieterGraef 24:5396b6a93262 308
DieterGraef 24:5396b6a93262 309 #define FS_FAT12 1
DieterGraef 24:5396b6a93262 310 #define FS_FAT16 2
DieterGraef 24:5396b6a93262 311 #define FS_FAT32 3
DieterGraef 24:5396b6a93262 312
DieterGraef 24:5396b6a93262 313
DieterGraef 24:5396b6a93262 314 /* File attribute bits for directory entry */
DieterGraef 24:5396b6a93262 315
DieterGraef 24:5396b6a93262 316 #define AM_RDO 0x01 /* Read only */
DieterGraef 24:5396b6a93262 317 #define AM_HID 0x02 /* Hidden */
DieterGraef 24:5396b6a93262 318 #define AM_SYS 0x04 /* System */
DieterGraef 24:5396b6a93262 319 #define AM_VOL 0x08 /* Volume label */
DieterGraef 24:5396b6a93262 320 #define AM_LFN 0x0F /* LFN entry */
DieterGraef 24:5396b6a93262 321 #define AM_DIR 0x10 /* Directory */
DieterGraef 24:5396b6a93262 322 #define AM_ARC 0x20 /* Archive */
DieterGraef 24:5396b6a93262 323 #define AM_MASK 0x3F /* Mask of defined bits */
DieterGraef 24:5396b6a93262 324
DieterGraef 24:5396b6a93262 325
DieterGraef 24:5396b6a93262 326 /* Fast seek feature */
DieterGraef 24:5396b6a93262 327 #define CREATE_LINKMAP 0xFFFFFFFF
DieterGraef 24:5396b6a93262 328
DieterGraef 24:5396b6a93262 329
DieterGraef 24:5396b6a93262 330
DieterGraef 24:5396b6a93262 331 /*--------------------------------*/
DieterGraef 24:5396b6a93262 332 /* Multi-byte word access macros */
DieterGraef 24:5396b6a93262 333
DieterGraef 24:5396b6a93262 334 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
DieterGraef 24:5396b6a93262 335 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
DieterGraef 24:5396b6a93262 336 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
DieterGraef 24:5396b6a93262 337 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
DieterGraef 24:5396b6a93262 338 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
DieterGraef 24:5396b6a93262 339 #else /* Use byte-by-byte access to the FAT structure */
DieterGraef 24:5396b6a93262 340 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
DieterGraef 24:5396b6a93262 341 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
DieterGraef 24:5396b6a93262 342 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
DieterGraef 24:5396b6a93262 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)
DieterGraef 24:5396b6a93262 344 #endif
DieterGraef 24:5396b6a93262 345
DieterGraef 24:5396b6a93262 346 #ifdef __cplusplus
DieterGraef 24:5396b6a93262 347 }
DieterGraef 24:5396b6a93262 348 #endif
DieterGraef 24:5396b6a93262 349
DieterGraef 24:5396b6a93262 350 #endif /* _FATFS */
DieterGraef 24:5396b6a93262 351