(DA) Internet of Things and Smart Electronics- ELE3006M2122 / Mbed 2 deprecated Final_Project_V19_DLeaming_25574043

Final tidy of code following installation of new sensor, more comments added prior to submission

Dependencies:   mbed

SD_Card/FATFileSystem/ChaN/ff.h@18:fc63b51a0302, 2022-02-04 (annotated)

Committer:
legstar85
Date:
Fri Feb 04 09:20:18 2022 +0000
Revision:
18:fc63b51a0302
Parent:
14:3e9991fe64e5 
Final tidy of code following installation of new sensor, more comments added prior to submission

Who changed what in which revision?

UserRevisionLine numberNew contents of line
legstar85 14:3e9991fe64e5 1 /*---------------------------------------------------------------------------/
legstar85 14:3e9991fe64e5 2 / FatFs - FAT file system module include R0.11a (C)ChaN, 2015
legstar85 14:3e9991fe64e5 3 /----------------------------------------------------------------------------/
legstar85 14:3e9991fe64e5 4 / FatFs module is a free software that opened under license policy of
legstar85 14:3e9991fe64e5 5 / following conditions.
legstar85 14:3e9991fe64e5 6 /
legstar85 14:3e9991fe64e5 7 / Copyright (C) 2015, ChaN, all right reserved.
legstar85 14:3e9991fe64e5 8 /
legstar85 14:3e9991fe64e5 9 / 1. Redistributions of source code must retain the above copyright notice,
legstar85 14:3e9991fe64e5 10 / this condition and the following disclaimer.
legstar85 14:3e9991fe64e5 11 /
legstar85 14:3e9991fe64e5 12 / This software is provided by the copyright holder and contributors "AS IS"
legstar85 14:3e9991fe64e5 13 / and any warranties related to this software are DISCLAIMED.
legstar85 14:3e9991fe64e5 14 / The copyright owner or contributors be NOT LIABLE for any damages caused
legstar85 14:3e9991fe64e5 15 / by use of this software.
legstar85 14:3e9991fe64e5 16 /---------------------------------------------------------------------------*/
legstar85 14:3e9991fe64e5 17
legstar85 14:3e9991fe64e5 18
legstar85 14:3e9991fe64e5 19 #ifndef _FATFS
legstar85 14:3e9991fe64e5 20 #define _FATFS 64180 /* Revision ID */
legstar85 14:3e9991fe64e5 21
legstar85 14:3e9991fe64e5 22 #ifdef __cplusplus
legstar85 14:3e9991fe64e5 23 extern "C" {
legstar85 14:3e9991fe64e5 24 #endif
legstar85 14:3e9991fe64e5 25
legstar85 14:3e9991fe64e5 26 #include "integer.h" /* Basic integer types */
legstar85 14:3e9991fe64e5 27 #include "ffconf.h" /* FatFs configuration options */
legstar85 14:3e9991fe64e5 28 #if _FATFS != _FFCONF
legstar85 14:3e9991fe64e5 29 #error Wrong configuration file (ffconf.h).
legstar85 14:3e9991fe64e5 30 #endif
legstar85 14:3e9991fe64e5 31
legstar85 14:3e9991fe64e5 32
legstar85 14:3e9991fe64e5 33
legstar85 14:3e9991fe64e5 34 /* Definitions of volume management */
legstar85 14:3e9991fe64e5 35
legstar85 14:3e9991fe64e5 36 #if _MULTI_PARTITION /* Multiple partition configuration */
legstar85 14:3e9991fe64e5 37 typedef struct {
legstar85 14:3e9991fe64e5 38 BYTE pd; /* Physical drive number */
legstar85 14:3e9991fe64e5 39 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
legstar85 14:3e9991fe64e5 40 } PARTITION;
legstar85 14:3e9991fe64e5 41 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
legstar85 14:3e9991fe64e5 42 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
legstar85 14:3e9991fe64e5 43 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
legstar85 14:3e9991fe64e5 44
legstar85 14:3e9991fe64e5 45 #else /* Single partition configuration */
legstar85 14:3e9991fe64e5 46 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
legstar85 14:3e9991fe64e5 47 #define LD2PT(vol) 0 /* Find first valid partition or in SFD */
legstar85 14:3e9991fe64e5 48
legstar85 14:3e9991fe64e5 49 #endif
legstar85 14:3e9991fe64e5 50
legstar85 14:3e9991fe64e5 51
legstar85 14:3e9991fe64e5 52
legstar85 14:3e9991fe64e5 53 /* Type of path name strings on FatFs API */
legstar85 14:3e9991fe64e5 54
legstar85 14:3e9991fe64e5 55 #if _LFN_UNICODE /* Unicode string */
legstar85 14:3e9991fe64e5 56 #if !_USE_LFN
legstar85 14:3e9991fe64e5 57 #error _LFN_UNICODE must be 0 at non-LFN cfg.
legstar85 14:3e9991fe64e5 58 #endif
legstar85 14:3e9991fe64e5 59 #ifndef _INC_TCHAR
legstar85 14:3e9991fe64e5 60 typedef WCHAR TCHAR;
legstar85 14:3e9991fe64e5 61 #define _T(x) L ## x
legstar85 14:3e9991fe64e5 62 #define _TEXT(x) L ## x
legstar85 14:3e9991fe64e5 63 #endif
legstar85 14:3e9991fe64e5 64
legstar85 14:3e9991fe64e5 65 #else /* ANSI/OEM string */
legstar85 14:3e9991fe64e5 66 #ifndef _INC_TCHAR
legstar85 14:3e9991fe64e5 67 typedef char TCHAR;
legstar85 14:3e9991fe64e5 68 #define _T(x) x
legstar85 14:3e9991fe64e5 69 #define _TEXT(x) x
legstar85 14:3e9991fe64e5 70 #endif
legstar85 14:3e9991fe64e5 71
legstar85 14:3e9991fe64e5 72 #endif
legstar85 14:3e9991fe64e5 73
legstar85 14:3e9991fe64e5 74
legstar85 14:3e9991fe64e5 75
legstar85 14:3e9991fe64e5 76 /* File system object structure (FATFS) */
legstar85 14:3e9991fe64e5 77
legstar85 14:3e9991fe64e5 78 typedef struct {
legstar85 14:3e9991fe64e5 79 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
legstar85 14:3e9991fe64e5 80 BYTE drv; /* Physical drive number */
legstar85 14:3e9991fe64e5 81 BYTE csize; /* Sectors per cluster (1,2,4...128) */
legstar85 14:3e9991fe64e5 82 BYTE n_fats; /* Number of FAT copies (1 or 2) */
legstar85 14:3e9991fe64e5 83 BYTE wflag; /* win[] flag (b0:dirty) */
legstar85 14:3e9991fe64e5 84 BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
legstar85 14:3e9991fe64e5 85 WORD id; /* File system mount ID */
legstar85 14:3e9991fe64e5 86 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
legstar85 14:3e9991fe64e5 87 #if _MAX_SS != _MIN_SS
legstar85 14:3e9991fe64e5 88 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
legstar85 14:3e9991fe64e5 89 #endif
legstar85 14:3e9991fe64e5 90 #if _FS_REENTRANT
legstar85 14:3e9991fe64e5 91 _SYNC_t sobj; /* Identifier of sync object */
legstar85 14:3e9991fe64e5 92 #endif
legstar85 14:3e9991fe64e5 93 #if !_FS_READONLY
legstar85 14:3e9991fe64e5 94 DWORD last_clust; /* Last allocated cluster */
legstar85 14:3e9991fe64e5 95 DWORD free_clust; /* Number of free clusters */
legstar85 14:3e9991fe64e5 96 #endif
legstar85 14:3e9991fe64e5 97 #if _FS_RPATH
legstar85 14:3e9991fe64e5 98 DWORD cdir; /* Current directory start cluster (0:root) */
legstar85 14:3e9991fe64e5 99 #endif
legstar85 14:3e9991fe64e5 100 DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */
legstar85 14:3e9991fe64e5 101 DWORD fsize; /* Sectors per FAT */
legstar85 14:3e9991fe64e5 102 DWORD volbase; /* Volume start sector */
legstar85 14:3e9991fe64e5 103 DWORD fatbase; /* FAT start sector */
legstar85 14:3e9991fe64e5 104 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
legstar85 14:3e9991fe64e5 105 DWORD database; /* Data start sector */
legstar85 14:3e9991fe64e5 106 DWORD winsect; /* Current sector appearing in the win[] */
legstar85 14:3e9991fe64e5 107 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
legstar85 14:3e9991fe64e5 108 } FATFS;
legstar85 14:3e9991fe64e5 109
legstar85 14:3e9991fe64e5 110
legstar85 14:3e9991fe64e5 111
legstar85 14:3e9991fe64e5 112 /* File object structure (FIL) */
legstar85 14:3e9991fe64e5 113
legstar85 14:3e9991fe64e5 114 typedef struct {
legstar85 14:3e9991fe64e5 115 FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
legstar85 14:3e9991fe64e5 116 WORD id; /* Owner file system mount ID (**do not change order**) */
legstar85 14:3e9991fe64e5 117 BYTE flag; /* Status flags */
legstar85 14:3e9991fe64e5 118 BYTE err; /* Abort flag (error code) */
legstar85 14:3e9991fe64e5 119 DWORD fptr; /* File read/write pointer (Zeroed on file open) */
legstar85 14:3e9991fe64e5 120 DWORD fsize; /* File size */
legstar85 14:3e9991fe64e5 121 DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */
legstar85 14:3e9991fe64e5 122 DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */
legstar85 14:3e9991fe64e5 123 DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */
legstar85 14:3e9991fe64e5 124 #if !_FS_READONLY
legstar85 14:3e9991fe64e5 125 DWORD dir_sect; /* Sector number containing the directory entry */
legstar85 14:3e9991fe64e5 126 BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */
legstar85 14:3e9991fe64e5 127 #endif
legstar85 14:3e9991fe64e5 128 #if _USE_FASTSEEK
legstar85 14:3e9991fe64e5 129 DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */
legstar85 14:3e9991fe64e5 130 #endif
legstar85 14:3e9991fe64e5 131 #if _FS_LOCK
legstar85 14:3e9991fe64e5 132 UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
legstar85 14:3e9991fe64e5 133 #endif
legstar85 14:3e9991fe64e5 134 #if !_FS_TINY
legstar85 14:3e9991fe64e5 135 BYTE buf[_MAX_SS]; /* File private data read/write window */
legstar85 14:3e9991fe64e5 136 #endif
legstar85 14:3e9991fe64e5 137 } FIL;
legstar85 14:3e9991fe64e5 138
legstar85 14:3e9991fe64e5 139
legstar85 14:3e9991fe64e5 140
legstar85 14:3e9991fe64e5 141 /* Directory object structure (FATFS_DIR) */
legstar85 14:3e9991fe64e5 142
legstar85 14:3e9991fe64e5 143 typedef struct {
legstar85 14:3e9991fe64e5 144 FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
legstar85 14:3e9991fe64e5 145 WORD id; /* Owner file system mount ID (**do not change order**) */
legstar85 14:3e9991fe64e5 146 WORD index; /* Current read/write index number */
legstar85 14:3e9991fe64e5 147 DWORD sclust; /* Table start cluster (0:Root dir) */
legstar85 14:3e9991fe64e5 148 DWORD clust; /* Current cluster */
legstar85 14:3e9991fe64e5 149 DWORD sect; /* Current sector */
legstar85 14:3e9991fe64e5 150 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
legstar85 14:3e9991fe64e5 151 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
legstar85 14:3e9991fe64e5 152 #if _FS_LOCK
legstar85 14:3e9991fe64e5 153 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
legstar85 14:3e9991fe64e5 154 #endif
legstar85 14:3e9991fe64e5 155 #if _USE_LFN
legstar85 14:3e9991fe64e5 156 WCHAR* lfn; /* Pointer to the LFN working buffer */
legstar85 14:3e9991fe64e5 157 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
legstar85 14:3e9991fe64e5 158 #endif
legstar85 14:3e9991fe64e5 159 #if _USE_FIND
legstar85 14:3e9991fe64e5 160 const TCHAR* pat; /* Pointer to the name matching pattern */
legstar85 14:3e9991fe64e5 161 #endif
legstar85 14:3e9991fe64e5 162 } FATFS_DIR;
legstar85 14:3e9991fe64e5 163
legstar85 14:3e9991fe64e5 164
legstar85 14:3e9991fe64e5 165
legstar85 14:3e9991fe64e5 166 /* File information structure (FILINFO) */
legstar85 14:3e9991fe64e5 167
legstar85 14:3e9991fe64e5 168 typedef struct {
legstar85 14:3e9991fe64e5 169 DWORD fsize; /* File size */
legstar85 14:3e9991fe64e5 170 WORD fdate; /* Last modified date */
legstar85 14:3e9991fe64e5 171 WORD ftime; /* Last modified time */
legstar85 14:3e9991fe64e5 172 BYTE fattrib; /* Attribute */
legstar85 14:3e9991fe64e5 173 TCHAR fname[13]; /* Short file name (8.3 format) */
legstar85 14:3e9991fe64e5 174 #if _USE_LFN
legstar85 14:3e9991fe64e5 175 TCHAR* lfname; /* Pointer to the LFN buffer */
legstar85 14:3e9991fe64e5 176 UINT lfsize; /* Size of LFN buffer in TCHAR */
legstar85 14:3e9991fe64e5 177 #endif
legstar85 14:3e9991fe64e5 178 } FILINFO;
legstar85 14:3e9991fe64e5 179
legstar85 14:3e9991fe64e5 180
legstar85 14:3e9991fe64e5 181
legstar85 14:3e9991fe64e5 182 /* File function return code (FRESULT) */
legstar85 14:3e9991fe64e5 183
legstar85 14:3e9991fe64e5 184 typedef enum {
legstar85 14:3e9991fe64e5 185 FR_OK = 0, /* (0) Succeeded */
legstar85 14:3e9991fe64e5 186 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
legstar85 14:3e9991fe64e5 187 FR_INT_ERR, /* (2) Assertion failed */
legstar85 14:3e9991fe64e5 188 FR_NOT_READY, /* (3) The physical drive cannot work */
legstar85 14:3e9991fe64e5 189 FR_NO_FILE, /* (4) Could not find the file */
legstar85 14:3e9991fe64e5 190 FR_NO_PATH, /* (5) Could not find the path */
legstar85 14:3e9991fe64e5 191 FR_INVALID_NAME, /* (6) The path name format is invalid */
legstar85 14:3e9991fe64e5 192 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
legstar85 14:3e9991fe64e5 193 FR_EXIST, /* (8) Access denied due to prohibited access */
legstar85 14:3e9991fe64e5 194 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
legstar85 14:3e9991fe64e5 195 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
legstar85 14:3e9991fe64e5 196 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
legstar85 14:3e9991fe64e5 197 FR_NOT_ENABLED, /* (12) The volume has no work area */
legstar85 14:3e9991fe64e5 198 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
legstar85 14:3e9991fe64e5 199 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
legstar85 14:3e9991fe64e5 200 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
legstar85 14:3e9991fe64e5 201 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
legstar85 14:3e9991fe64e5 202 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
legstar85 14:3e9991fe64e5 203 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_LOCK */
legstar85 14:3e9991fe64e5 204 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
legstar85 14:3e9991fe64e5 205 } FRESULT;
legstar85 14:3e9991fe64e5 206
legstar85 14:3e9991fe64e5 207
legstar85 14:3e9991fe64e5 208
legstar85 14:3e9991fe64e5 209 /*--------------------------------------------------------------*/
legstar85 14:3e9991fe64e5 210 /* FatFs module application interface */
legstar85 14:3e9991fe64e5 211
legstar85 14:3e9991fe64e5 212 FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
legstar85 14:3e9991fe64e5 213 FRESULT f_close (FIL* fp); /* Close an open file object */
legstar85 14:3e9991fe64e5 214 FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
legstar85 14:3e9991fe64e5 215 FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
legstar85 14:3e9991fe64e5 216 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
legstar85 14:3e9991fe64e5 217 FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
legstar85 14:3e9991fe64e5 218 FRESULT f_truncate (FIL* fp); /* Truncate file */
legstar85 14:3e9991fe64e5 219 FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
legstar85 14:3e9991fe64e5 220 FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */
legstar85 14:3e9991fe64e5 221 FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */
legstar85 14:3e9991fe64e5 222 FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */
legstar85 14:3e9991fe64e5 223 FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
legstar85 14:3e9991fe64e5 224 FRESULT f_findnext (FATFS_DIR* dp, FILINFO* fno); /* Find next file */
legstar85 14:3e9991fe64e5 225 FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
legstar85 14:3e9991fe64e5 226 FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
legstar85 14:3e9991fe64e5 227 FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
legstar85 14:3e9991fe64e5 228 FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
legstar85 14:3e9991fe64e5 229 FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of the file/dir */
legstar85 14:3e9991fe64e5 230 FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
legstar85 14:3e9991fe64e5 231 FRESULT f_chdir (const TCHAR* path); /* Change current directory */
legstar85 14:3e9991fe64e5 232 FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
legstar85 14:3e9991fe64e5 233 FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
legstar85 14:3e9991fe64e5 234 FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
legstar85 14:3e9991fe64e5 235 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
legstar85 14:3e9991fe64e5 236 FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
legstar85 14:3e9991fe64e5 237 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
legstar85 14:3e9991fe64e5 238 FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the volume */
legstar85 14:3e9991fe64e5 239 FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
legstar85 14:3e9991fe64e5 240 int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
legstar85 14:3e9991fe64e5 241 int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
legstar85 14:3e9991fe64e5 242 int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
legstar85 14:3e9991fe64e5 243 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
legstar85 14:3e9991fe64e5 244
legstar85 14:3e9991fe64e5 245 #define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize))
legstar85 14:3e9991fe64e5 246 #define f_error(fp) ((fp)->err)
legstar85 14:3e9991fe64e5 247 #define f_tell(fp) ((fp)->fptr)
legstar85 14:3e9991fe64e5 248 #define f_size(fp) ((fp)->fsize)
legstar85 14:3e9991fe64e5 249 #define f_rewind(fp) f_lseek((fp), 0)
legstar85 14:3e9991fe64e5 250 #define f_rewinddir(dp) f_readdir((dp), 0)
legstar85 14:3e9991fe64e5 251
legstar85 14:3e9991fe64e5 252 #ifndef EOF
legstar85 14:3e9991fe64e5 253 #define EOF (-1)
legstar85 14:3e9991fe64e5 254 #endif
legstar85 14:3e9991fe64e5 255
legstar85 14:3e9991fe64e5 256
legstar85 14:3e9991fe64e5 257
legstar85 14:3e9991fe64e5 258
legstar85 14:3e9991fe64e5 259 /*--------------------------------------------------------------*/
legstar85 14:3e9991fe64e5 260 /* Additional user defined functions */
legstar85 14:3e9991fe64e5 261
legstar85 14:3e9991fe64e5 262 /* RTC function */
legstar85 14:3e9991fe64e5 263 #if !_FS_READONLY && !_FS_NORTC
legstar85 14:3e9991fe64e5 264 DWORD get_fattime (void);
legstar85 14:3e9991fe64e5 265 #endif
legstar85 14:3e9991fe64e5 266
legstar85 14:3e9991fe64e5 267 /* Unicode support functions */
legstar85 14:3e9991fe64e5 268 #if _USE_LFN /* Unicode - OEM code conversion */
legstar85 14:3e9991fe64e5 269 WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
legstar85 14:3e9991fe64e5 270 WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
legstar85 14:3e9991fe64e5 271 #if _USE_LFN == 3 /* Memory functions */
legstar85 14:3e9991fe64e5 272 void* ff_memalloc (UINT msize); /* Allocate memory block */
legstar85 14:3e9991fe64e5 273 void ff_memfree (void* mblock); /* Free memory block */
legstar85 14:3e9991fe64e5 274 #endif
legstar85 14:3e9991fe64e5 275 #endif
legstar85 14:3e9991fe64e5 276
legstar85 14:3e9991fe64e5 277 /* Sync functions */
legstar85 14:3e9991fe64e5 278 #if _FS_REENTRANT
legstar85 14:3e9991fe64e5 279 int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
legstar85 14:3e9991fe64e5 280 int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
legstar85 14:3e9991fe64e5 281 void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
legstar85 14:3e9991fe64e5 282 int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
legstar85 14:3e9991fe64e5 283 #endif
legstar85 14:3e9991fe64e5 284
legstar85 14:3e9991fe64e5 285
legstar85 14:3e9991fe64e5 286
legstar85 14:3e9991fe64e5 287
legstar85 14:3e9991fe64e5 288 /*--------------------------------------------------------------*/
legstar85 14:3e9991fe64e5 289 /* Flags and offset address */
legstar85 14:3e9991fe64e5 290
legstar85 14:3e9991fe64e5 291
legstar85 14:3e9991fe64e5 292 /* File access control and file status flags (FIL.flag) */
legstar85 14:3e9991fe64e5 293
legstar85 14:3e9991fe64e5 294 #define FA_READ 0x01
legstar85 14:3e9991fe64e5 295 #define FA_OPEN_EXISTING 0x00
legstar85 14:3e9991fe64e5 296
legstar85 14:3e9991fe64e5 297 #if !_FS_READONLY
legstar85 14:3e9991fe64e5 298 #define FA_WRITE 0x02
legstar85 14:3e9991fe64e5 299 #define FA_CREATE_NEW 0x04
legstar85 14:3e9991fe64e5 300 #define FA_CREATE_ALWAYS 0x08
legstar85 14:3e9991fe64e5 301 #define FA_OPEN_ALWAYS 0x10
legstar85 14:3e9991fe64e5 302 #define FA__WRITTEN 0x20
legstar85 14:3e9991fe64e5 303 #define FA__DIRTY 0x40
legstar85 14:3e9991fe64e5 304 #endif
legstar85 14:3e9991fe64e5 305
legstar85 14:3e9991fe64e5 306
legstar85 14:3e9991fe64e5 307 /* FAT sub type (FATFS.fs_type) */
legstar85 14:3e9991fe64e5 308
legstar85 14:3e9991fe64e5 309 #define FS_FAT12 1
legstar85 14:3e9991fe64e5 310 #define FS_FAT16 2
legstar85 14:3e9991fe64e5 311 #define FS_FAT32 3
legstar85 14:3e9991fe64e5 312
legstar85 14:3e9991fe64e5 313
legstar85 14:3e9991fe64e5 314 /* File attribute bits for directory entry */
legstar85 14:3e9991fe64e5 315
legstar85 14:3e9991fe64e5 316 #define AM_RDO 0x01 /* Read only */
legstar85 14:3e9991fe64e5 317 #define AM_HID 0x02 /* Hidden */
legstar85 14:3e9991fe64e5 318 #define AM_SYS 0x04 /* System */
legstar85 14:3e9991fe64e5 319 #define AM_VOL 0x08 /* Volume label */
legstar85 14:3e9991fe64e5 320 #define AM_LFN 0x0F /* LFN entry */
legstar85 14:3e9991fe64e5 321 #define AM_DIR 0x10 /* Directory */
legstar85 14:3e9991fe64e5 322 #define AM_ARC 0x20 /* Archive */
legstar85 14:3e9991fe64e5 323 #define AM_MASK 0x3F /* Mask of defined bits */
legstar85 14:3e9991fe64e5 324
legstar85 14:3e9991fe64e5 325
legstar85 14:3e9991fe64e5 326 /* Fast seek feature */
legstar85 14:3e9991fe64e5 327 #define CREATE_LINKMAP 0xFFFFFFFF
legstar85 14:3e9991fe64e5 328
legstar85 14:3e9991fe64e5 329
legstar85 14:3e9991fe64e5 330
legstar85 14:3e9991fe64e5 331 /*--------------------------------*/
legstar85 14:3e9991fe64e5 332 /* Multi-byte word access macros */
legstar85 14:3e9991fe64e5 333
legstar85 14:3e9991fe64e5 334 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
legstar85 14:3e9991fe64e5 335 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
legstar85 14:3e9991fe64e5 336 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
legstar85 14:3e9991fe64e5 337 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
legstar85 14:3e9991fe64e5 338 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
legstar85 14:3e9991fe64e5 339 #else /* Use byte-by-byte access to the FAT structure */
legstar85 14:3e9991fe64e5 340 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
legstar85 14:3e9991fe64e5 341 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
legstar85 14:3e9991fe64e5 342 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
legstar85 14:3e9991fe64e5 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)
legstar85 14:3e9991fe64e5 344 #endif
legstar85 14:3e9991fe64e5 345
legstar85 14:3e9991fe64e5 346 #ifdef __cplusplus
legstar85 14:3e9991fe64e5 347 }
legstar85 14:3e9991fe64e5 348 #endif
legstar85 14:3e9991fe64e5 349
legstar85 14:3e9991fe64e5 350 #endif /* _FATFS */
legstar85 14:3e9991fe64e5 351