SkyTEM BMAG / Mbed 2 deprecated BMAGThrRev

Bmag incl gps rettelse

Dependencies:   mbed WDT MODSERIAL BME280

USBHost/FATFileSystem/ChaN/ff.h@56:df9052e3808c, 2019-06-20 (annotated)

Committer:
gert_lauritsen
Date:
Thu Jun 20 07:13:18 2019 +0000
Revision:
56:df9052e3808c
change date stamp from gps, reads serialnumb from file.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 56:df9052e3808c 1 /*---------------------------------------------------------------------------/
gert_lauritsen 56:df9052e3808c 2 / FatFs - FAT file system module include R0.11a (C)ChaN, 2015
gert_lauritsen 56:df9052e3808c 3 /----------------------------------------------------------------------------/
gert_lauritsen 56:df9052e3808c 4 / FatFs module is a free software that opened under license policy of
gert_lauritsen 56:df9052e3808c 5 / following conditions.
gert_lauritsen 56:df9052e3808c 6 /
gert_lauritsen 56:df9052e3808c 7 / Copyright (C) 2015, ChaN, all right reserved.
gert_lauritsen 56:df9052e3808c 8 /
gert_lauritsen 56:df9052e3808c 9 / 1. Redistributions of source code must retain the above copyright notice,
gert_lauritsen 56:df9052e3808c 10 / this condition and the following disclaimer.
gert_lauritsen 56:df9052e3808c 11 /
gert_lauritsen 56:df9052e3808c 12 / This software is provided by the copyright holder and contributors "AS IS"
gert_lauritsen 56:df9052e3808c 13 / and any warranties related to this software are DISCLAIMED.
gert_lauritsen 56:df9052e3808c 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
gert_lauritsen 56:df9052e3808c 15 / by use of this software.
gert_lauritsen 56:df9052e3808c 16 /---------------------------------------------------------------------------*/
gert_lauritsen 56:df9052e3808c 17
gert_lauritsen 56:df9052e3808c 18
gert_lauritsen 56:df9052e3808c 19 #ifndef _FATFS
gert_lauritsen 56:df9052e3808c 20 #define _FATFS 64180 /* Revision ID */
gert_lauritsen 56:df9052e3808c 21
gert_lauritsen 56:df9052e3808c 22 #ifdef __cplusplus
gert_lauritsen 56:df9052e3808c 23 extern "C" {
gert_lauritsen 56:df9052e3808c 24 #endif
gert_lauritsen 56:df9052e3808c 25
gert_lauritsen 56:df9052e3808c 26 #include "integer.h" /* Basic integer types */
gert_lauritsen 56:df9052e3808c 27 #include "ffconf.h" /* FatFs configuration options */
gert_lauritsen 56:df9052e3808c 28 #if _FATFS != _FFCONF
gert_lauritsen 56:df9052e3808c 29 #error Wrong configuration file (ffconf.h).
gert_lauritsen 56:df9052e3808c 30 #endif
gert_lauritsen 56:df9052e3808c 31
gert_lauritsen 56:df9052e3808c 32
gert_lauritsen 56:df9052e3808c 33
gert_lauritsen 56:df9052e3808c 34 /* Definitions of volume management */
gert_lauritsen 56:df9052e3808c 35
gert_lauritsen 56:df9052e3808c 36 #if _MULTI_PARTITION /* Multiple partition configuration */
gert_lauritsen 56:df9052e3808c 37 typedef struct {
gert_lauritsen 56:df9052e3808c 38 BYTE pd; /* Physical drive number */
gert_lauritsen 56:df9052e3808c 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
gert_lauritsen 56:df9052e3808c 40 } PARTITION;
gert_lauritsen 56:df9052e3808c 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
gert_lauritsen 56:df9052e3808c 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
gert_lauritsen 56:df9052e3808c 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
gert_lauritsen 56:df9052e3808c 44
gert_lauritsen 56:df9052e3808c 45 #else /* Single partition configuration */
gert_lauritsen 56:df9052e3808c 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
gert_lauritsen 56:df9052e3808c 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
gert_lauritsen 56:df9052e3808c 48
gert_lauritsen 56:df9052e3808c 49 #endif
gert_lauritsen 56:df9052e3808c 50
gert_lauritsen 56:df9052e3808c 51
gert_lauritsen 56:df9052e3808c 52
gert_lauritsen 56:df9052e3808c 53 /* Type of path name strings on FatFs API */
gert_lauritsen 56:df9052e3808c 54
gert_lauritsen 56:df9052e3808c 55 #if _LFN_UNICODE /* Unicode string */
gert_lauritsen 56:df9052e3808c 56 #if !_USE_LFN
gert_lauritsen 56:df9052e3808c 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
gert_lauritsen 56:df9052e3808c 58 #endif
gert_lauritsen 56:df9052e3808c 59 #ifndef _INC_TCHAR
gert_lauritsen 56:df9052e3808c 60 typedef WCHAR TCHAR;
gert_lauritsen 56:df9052e3808c 61 #define _T(x) L ## x
gert_lauritsen 56:df9052e3808c 62 #define _TEXT(x) L ## x
gert_lauritsen 56:df9052e3808c 63 #endif
gert_lauritsen 56:df9052e3808c 64
gert_lauritsen 56:df9052e3808c 65 #else /* ANSI/OEM string */
gert_lauritsen 56:df9052e3808c 66 #ifndef _INC_TCHAR
gert_lauritsen 56:df9052e3808c 67 typedef char TCHAR;
gert_lauritsen 56:df9052e3808c 68 #define _T(x) x
gert_lauritsen 56:df9052e3808c 69 #define _TEXT(x) x
gert_lauritsen 56:df9052e3808c 70 #endif
gert_lauritsen 56:df9052e3808c 71
gert_lauritsen 56:df9052e3808c 72 #endif
gert_lauritsen 56:df9052e3808c 73
gert_lauritsen 56:df9052e3808c 74
gert_lauritsen 56:df9052e3808c 75
gert_lauritsen 56:df9052e3808c 76 /* File system object structure (FATFS) */
gert_lauritsen 56:df9052e3808c 77
gert_lauritsen 56:df9052e3808c 78 typedef struct {
gert_lauritsen 56:df9052e3808c 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
gert_lauritsen 56:df9052e3808c 80 BYTE drv; /* Physical drive number */
gert_lauritsen 56:df9052e3808c 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
gert_lauritsen 56:df9052e3808c 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
gert_lauritsen 56:df9052e3808c 83 BYTE wflag; /* win[] flag (b0:dirty) */
gert_lauritsen 56:df9052e3808c 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
gert_lauritsen 56:df9052e3808c 85 WORD id; /* File system mount ID */
gert_lauritsen 56:df9052e3808c 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
gert_lauritsen 56:df9052e3808c 87 #if _MAX_SS != _MIN_SS
gert_lauritsen 56:df9052e3808c 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
gert_lauritsen 56:df9052e3808c 89 #endif
gert_lauritsen 56:df9052e3808c 90 #if _FS_REENTRANT
gert_lauritsen 56:df9052e3808c 91 _SYNC_t sobj; /* Identifier of sync object */
gert_lauritsen 56:df9052e3808c 92 #endif
gert_lauritsen 56:df9052e3808c 93 #if !_FS_READONLY
gert_lauritsen 56:df9052e3808c 94 DWORD last_clust; /* Last allocated cluster */
gert_lauritsen 56:df9052e3808c 95 DWORD free_clust; /* Number of free clusters */
gert_lauritsen 56:df9052e3808c 96 #endif
gert_lauritsen 56:df9052e3808c 97 #if _FS_RPATH
gert_lauritsen 56:df9052e3808c 98 DWORD cdir; /* Current directory start cluster (0:root) */
gert_lauritsen 56:df9052e3808c 99 #endif
gert_lauritsen 56:df9052e3808c 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
gert_lauritsen 56:df9052e3808c 101 DWORD fsize; /* Sectors per FAT */
gert_lauritsen 56:df9052e3808c 102 DWORD volbase; /* Volume start sector */
gert_lauritsen 56:df9052e3808c 103 DWORD fatbase; /* FAT start sector */
gert_lauritsen 56:df9052e3808c 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
gert_lauritsen 56:df9052e3808c 105 DWORD database; /* Data start sector */
gert_lauritsen 56:df9052e3808c 106 DWORD winsect; /* Current sector appearing in the win[] */
gert_lauritsen 56:df9052e3808c 107 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
gert_lauritsen 56:df9052e3808c 108 } FATFS;
gert_lauritsen 56:df9052e3808c 109
gert_lauritsen 56:df9052e3808c 110
gert_lauritsen 56:df9052e3808c 111
gert_lauritsen 56:df9052e3808c 112 /* File object structure (FIL) */
gert_lauritsen 56:df9052e3808c 113
gert_lauritsen 56:df9052e3808c 114 typedef struct {
gert_lauritsen 56:df9052e3808c 115 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
gert_lauritsen 56:df9052e3808c 116 WORD id; /* Owner file system mount ID (**do not change order**) */
gert_lauritsen 56:df9052e3808c 117 BYTE flag; /* Status flags */
gert_lauritsen 56:df9052e3808c 118 BYTE err; /* Abort flag (error code) */
gert_lauritsen 56:df9052e3808c 119 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
gert_lauritsen 56:df9052e3808c 120 DWORD fsize; /* File size */
gert_lauritsen 56:df9052e3808c 121 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
gert_lauritsen 56:df9052e3808c 122 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
gert_lauritsen 56:df9052e3808c 123 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
gert_lauritsen 56:df9052e3808c 124 #if !_FS_READONLY
gert_lauritsen 56:df9052e3808c 125 DWORD dir_sect; /* Sector number containing the directory entry */
gert_lauritsen 56:df9052e3808c 126 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
gert_lauritsen 56:df9052e3808c 127 #endif
gert_lauritsen 56:df9052e3808c 128 #if _USE_FASTSEEK
gert_lauritsen 56:df9052e3808c 129 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
gert_lauritsen 56:df9052e3808c 130 #endif
gert_lauritsen 56:df9052e3808c 131 #if _FS_LOCK
gert_lauritsen 56:df9052e3808c 132 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
gert_lauritsen 56:df9052e3808c 133 #endif
gert_lauritsen 56:df9052e3808c 134 #if !_FS_TINY
gert_lauritsen 56:df9052e3808c 135 BYTE buf[_MAX_SS]; /* File private data read/write window */
gert_lauritsen 56:df9052e3808c 136 #endif
gert_lauritsen 56:df9052e3808c 137 } FIL;
gert_lauritsen 56:df9052e3808c 138
gert_lauritsen 56:df9052e3808c 139
gert_lauritsen 56:df9052e3808c 140
gert_lauritsen 56:df9052e3808c 141 /* Directory object structure (FATFS_DIR) */
gert_lauritsen 56:df9052e3808c 142
gert_lauritsen 56:df9052e3808c 143 typedef struct {
gert_lauritsen 56:df9052e3808c 144 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
gert_lauritsen 56:df9052e3808c 145 WORD id; /* Owner file system mount ID (**do not change order**) */
gert_lauritsen 56:df9052e3808c 146 WORD index; /* Current read/write index number */
gert_lauritsen 56:df9052e3808c 147 DWORD sclust; /* Table start cluster (0:Root dir) */
gert_lauritsen 56:df9052e3808c 148 DWORD clust; /* Current cluster */
gert_lauritsen 56:df9052e3808c 149 DWORD sect; /* Current sector */
gert_lauritsen 56:df9052e3808c 150 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
gert_lauritsen 56:df9052e3808c 151 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
gert_lauritsen 56:df9052e3808c 152 #if _FS_LOCK
gert_lauritsen 56:df9052e3808c 153 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
gert_lauritsen 56:df9052e3808c 154 #endif
gert_lauritsen 56:df9052e3808c 155 #if _USE_LFN
gert_lauritsen 56:df9052e3808c 156 WCHAR* lfn; /* Pointer to the LFN working buffer */
gert_lauritsen 56:df9052e3808c 157 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
gert_lauritsen 56:df9052e3808c 158 #endif
gert_lauritsen 56:df9052e3808c 159 #if _USE_FIND
gert_lauritsen 56:df9052e3808c 160 const TCHAR* pat; /* Pointer to the name matching pattern */
gert_lauritsen 56:df9052e3808c 161 #endif
gert_lauritsen 56:df9052e3808c 162 } FATFS_DIR;
gert_lauritsen 56:df9052e3808c 163
gert_lauritsen 56:df9052e3808c 164
gert_lauritsen 56:df9052e3808c 165
gert_lauritsen 56:df9052e3808c 166 /* File information structure (FILINFO) */
gert_lauritsen 56:df9052e3808c 167
gert_lauritsen 56:df9052e3808c 168 typedef struct {
gert_lauritsen 56:df9052e3808c 169 DWORD fsize; /* File size */
gert_lauritsen 56:df9052e3808c 170 WORD fdate; /* Last modified date */
gert_lauritsen 56:df9052e3808c 171 WORD ftime; /* Last modified time */
gert_lauritsen 56:df9052e3808c 172 BYTE fattrib; /* Attribute */
gert_lauritsen 56:df9052e3808c 173 TCHAR fname[13]; /* Short file name (8.3 format) */
gert_lauritsen 56:df9052e3808c 174 #if _USE_LFN
gert_lauritsen 56:df9052e3808c 175 TCHAR* lfname; /* Pointer to the LFN buffer */
gert_lauritsen 56:df9052e3808c 176 UINT lfsize; /* Size of LFN buffer in TCHAR */
gert_lauritsen 56:df9052e3808c 177 #endif
gert_lauritsen 56:df9052e3808c 178 } FILINFO;
gert_lauritsen 56:df9052e3808c 179
gert_lauritsen 56:df9052e3808c 180
gert_lauritsen 56:df9052e3808c 181
gert_lauritsen 56:df9052e3808c 182 /* File function return code (FRESULT) */
gert_lauritsen 56:df9052e3808c 183
gert_lauritsen 56:df9052e3808c 184 typedef enum {
gert_lauritsen 56:df9052e3808c 185 FR_OK = 0, /* (0) Succeeded */
gert_lauritsen 56:df9052e3808c 186 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
gert_lauritsen 56:df9052e3808c 187 FR_INT_ERR, /* (2) Assertion failed */
gert_lauritsen 56:df9052e3808c 188 FR_NOT_READY, /* (3) The physical drive cannot work */
gert_lauritsen 56:df9052e3808c 189 FR_NO_FILE, /* (4) Could not find the file */
gert_lauritsen 56:df9052e3808c 190 FR_NO_PATH, /* (5) Could not find the path */
gert_lauritsen 56:df9052e3808c 191 FR_INVALID_NAME, /* (6) The path name format is invalid */
gert_lauritsen 56:df9052e3808c 192 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
gert_lauritsen 56:df9052e3808c 193 FR_EXIST, /* (8) Access denied due to prohibited access */
gert_lauritsen 56:df9052e3808c 194 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
gert_lauritsen 56:df9052e3808c 195 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
gert_lauritsen 56:df9052e3808c 196 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
gert_lauritsen 56:df9052e3808c 197 FR_NOT_ENABLED, /* (12) The volume has no work area */
gert_lauritsen 56:df9052e3808c 198 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
gert_lauritsen 56:df9052e3808c 199 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
gert_lauritsen 56:df9052e3808c 200 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
gert_lauritsen 56:df9052e3808c 201 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
gert_lauritsen 56:df9052e3808c 202 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
gert_lauritsen 56:df9052e3808c 203 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */
gert_lauritsen 56:df9052e3808c 204 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
gert_lauritsen 56:df9052e3808c 205 } FRESULT;
gert_lauritsen 56:df9052e3808c 206
gert_lauritsen 56:df9052e3808c 207
gert_lauritsen 56:df9052e3808c 208
gert_lauritsen 56:df9052e3808c 209 /*--------------------------------------------------------------*/
gert_lauritsen 56:df9052e3808c 210 /* FatFs module application interface */
gert_lauritsen 56:df9052e3808c 211
gert_lauritsen 56:df9052e3808c 212 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
gert_lauritsen 56:df9052e3808c 213 FRESULT f_close (FIL* fp); /* Close an open file object */
gert_lauritsen 56:df9052e3808c 214 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
gert_lauritsen 56:df9052e3808c 215 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
gert_lauritsen 56:df9052e3808c 216 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
gert_lauritsen 56:df9052e3808c 217 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
gert_lauritsen 56:df9052e3808c 218 FRESULT f_truncate (FIL* fp); /* Truncate file */
gert_lauritsen 56:df9052e3808c 219 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
gert_lauritsen 56:df9052e3808c 220 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
gert_lauritsen 56:df9052e3808c 221 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
gert_lauritsen 56:df9052e3808c 222 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
gert_lauritsen 56:df9052e3808c 223 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
gert_lauritsen 56:df9052e3808c 224 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
gert_lauritsen 56:df9052e3808c 225 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
gert_lauritsen 56:df9052e3808c 226 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
gert_lauritsen 56:df9052e3808c 227 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
gert_lauritsen 56:df9052e3808c 228 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
gert_lauritsen 56:df9052e3808c 229 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */
gert_lauritsen 56:df9052e3808c 230 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
gert_lauritsen 56:df9052e3808c 231 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
gert_lauritsen 56:df9052e3808c 232 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
gert_lauritsen 56:df9052e3808c 233 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
gert_lauritsen 56:df9052e3808c 234 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
gert_lauritsen 56:df9052e3808c 235 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
gert_lauritsen 56:df9052e3808c 236 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
gert_lauritsen 56:df9052e3808c 237 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
gert_lauritsen 56:df9052e3808c 238 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
gert_lauritsen 56:df9052e3808c 239 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
gert_lauritsen 56:df9052e3808c 240 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
gert_lauritsen 56:df9052e3808c 241 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
gert_lauritsen 56:df9052e3808c 242 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
gert_lauritsen 56:df9052e3808c 243 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
gert_lauritsen 56:df9052e3808c 244
gert_lauritsen 56:df9052e3808c 245 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
gert_lauritsen 56:df9052e3808c 246 #define f_error(fp) ((fp)->err)
gert_lauritsen 56:df9052e3808c 247 #define f_tell(fp) ((fp)->fptr)
gert_lauritsen 56:df9052e3808c 248 #define f_size(fp) ((fp)->fsize)
gert_lauritsen 56:df9052e3808c 249 #define f_rewind(fp) f_lseek((fp), 0)
gert_lauritsen 56:df9052e3808c 250 #define f_rewinddir(dp) f_readdir((dp), 0)
gert_lauritsen 56:df9052e3808c 251
gert_lauritsen 56:df9052e3808c 252 #ifndef EOF
gert_lauritsen 56:df9052e3808c 253 #define EOF (-1)
gert_lauritsen 56:df9052e3808c 254 #endif
gert_lauritsen 56:df9052e3808c 255
gert_lauritsen 56:df9052e3808c 256
gert_lauritsen 56:df9052e3808c 257
gert_lauritsen 56:df9052e3808c 258
gert_lauritsen 56:df9052e3808c 259 /*--------------------------------------------------------------*/
gert_lauritsen 56:df9052e3808c 260 /* Additional user defined functions */
gert_lauritsen 56:df9052e3808c 261
gert_lauritsen 56:df9052e3808c 262 /* RTC function */
gert_lauritsen 56:df9052e3808c 263 #if !_FS_READONLY && !_FS_NORTC
gert_lauritsen 56:df9052e3808c 264 DWORD get_fattime (void);
gert_lauritsen 56:df9052e3808c 265 #endif
gert_lauritsen 56:df9052e3808c 266
gert_lauritsen 56:df9052e3808c 267 /* Unicode support functions */
gert_lauritsen 56:df9052e3808c 268 #if _USE_LFN /* Unicode - OEM code conversion */
gert_lauritsen 56:df9052e3808c 269 WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
gert_lauritsen 56:df9052e3808c 270 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
gert_lauritsen 56:df9052e3808c 271 #if _USE_LFN == 3 /* Memory functions */
gert_lauritsen 56:df9052e3808c 272 void* ff_memalloc (UINT msize); /* Allocate memory block */
gert_lauritsen 56:df9052e3808c 273 void ff_memfree (void* mblock); /* Free memory block */
gert_lauritsen 56:df9052e3808c 274 #endif
gert_lauritsen 56:df9052e3808c 275 #endif
gert_lauritsen 56:df9052e3808c 276
gert_lauritsen 56:df9052e3808c 277 /* Sync functions */
gert_lauritsen 56:df9052e3808c 278 #if _FS_REENTRANT
gert_lauritsen 56:df9052e3808c 279 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
gert_lauritsen 56:df9052e3808c 280 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
gert_lauritsen 56:df9052e3808c 281 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
gert_lauritsen 56:df9052e3808c 282 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
gert_lauritsen 56:df9052e3808c 283 #endif
gert_lauritsen 56:df9052e3808c 284
gert_lauritsen 56:df9052e3808c 285
gert_lauritsen 56:df9052e3808c 286
gert_lauritsen 56:df9052e3808c 287
gert_lauritsen 56:df9052e3808c 288 /*--------------------------------------------------------------*/
gert_lauritsen 56:df9052e3808c 289 /* Flags and offset address */
gert_lauritsen 56:df9052e3808c 290
gert_lauritsen 56:df9052e3808c 291
gert_lauritsen 56:df9052e3808c 292 /* File access control and file status flags (FIL.flag) */
gert_lauritsen 56:df9052e3808c 293
gert_lauritsen 56:df9052e3808c 294 #define FA_READ 0x01
gert_lauritsen 56:df9052e3808c 295 #define FA_OPEN_EXISTING 0x00
gert_lauritsen 56:df9052e3808c 296
gert_lauritsen 56:df9052e3808c 297 #if !_FS_READONLY
gert_lauritsen 56:df9052e3808c 298 #define FA_WRITE 0x02
gert_lauritsen 56:df9052e3808c 299 #define FA_CREATE_NEW 0x04
gert_lauritsen 56:df9052e3808c 300 #define FA_CREATE_ALWAYS 0x08
gert_lauritsen 56:df9052e3808c 301 #define FA_OPEN_ALWAYS 0x10
gert_lauritsen 56:df9052e3808c 302 #define FA__WRITTEN 0x20
gert_lauritsen 56:df9052e3808c 303 #define FA__DIRTY 0x40
gert_lauritsen 56:df9052e3808c 304 #endif
gert_lauritsen 56:df9052e3808c 305
gert_lauritsen 56:df9052e3808c 306
gert_lauritsen 56:df9052e3808c 307 /* FAT sub type (FATFS.fs_type) */
gert_lauritsen 56:df9052e3808c 308
gert_lauritsen 56:df9052e3808c 309 #define FS_FAT12 1
gert_lauritsen 56:df9052e3808c 310 #define FS_FAT16 2
gert_lauritsen 56:df9052e3808c 311 #define FS_FAT32 3
gert_lauritsen 56:df9052e3808c 312
gert_lauritsen 56:df9052e3808c 313
gert_lauritsen 56:df9052e3808c 314 /* File attribute bits for directory entry */
gert_lauritsen 56:df9052e3808c 315
gert_lauritsen 56:df9052e3808c 316 #define AM_RDO 0x01 /* Read only */
gert_lauritsen 56:df9052e3808c 317 #define AM_HID 0x02 /* Hidden */
gert_lauritsen 56:df9052e3808c 318 #define AM_SYS 0x04 /* System */
gert_lauritsen 56:df9052e3808c 319 #define AM_VOL 0x08 /* Volume label */
gert_lauritsen 56:df9052e3808c 320 #define AM_LFN 0x0F /* LFN entry */
gert_lauritsen 56:df9052e3808c 321 #define AM_DIR 0x10 /* Directory */
gert_lauritsen 56:df9052e3808c 322 #define AM_ARC 0x20 /* Archive */
gert_lauritsen 56:df9052e3808c 323 #define AM_MASK 0x3F /* Mask of defined bits */
gert_lauritsen 56:df9052e3808c 324
gert_lauritsen 56:df9052e3808c 325
gert_lauritsen 56:df9052e3808c 326 /* Fast seek feature */
gert_lauritsen 56:df9052e3808c 327 #define CREATE_LINKMAP 0xFFFFFFFF
gert_lauritsen 56:df9052e3808c 328
gert_lauritsen 56:df9052e3808c 329
gert_lauritsen 56:df9052e3808c 330
gert_lauritsen 56:df9052e3808c 331 /*--------------------------------*/
gert_lauritsen 56:df9052e3808c 332 /* Multi-byte word access macros */
gert_lauritsen 56:df9052e3808c 333
gert_lauritsen 56:df9052e3808c 334 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
gert_lauritsen 56:df9052e3808c 335 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
gert_lauritsen 56:df9052e3808c 336 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
gert_lauritsen 56:df9052e3808c 337 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
gert_lauritsen 56:df9052e3808c 338 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
gert_lauritsen 56:df9052e3808c 339 #else /* Use byte-by-byte access to the FAT structure */
gert_lauritsen 56:df9052e3808c 340 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
gert_lauritsen 56:df9052e3808c 341 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
gert_lauritsen 56:df9052e3808c 342 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
gert_lauritsen 56:df9052e3808c 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)
gert_lauritsen 56:df9052e3808c 344 #endif
gert_lauritsen 56:df9052e3808c 345
gert_lauritsen 56:df9052e3808c 346 #ifdef __cplusplus
gert_lauritsen 56:df9052e3808c 347 }
gert_lauritsen 56:df9052e3808c 348 #endif
gert_lauritsen 56:df9052e3808c 349
gert_lauritsen 56:df9052e3808c 350 #endif /* _FATFS */