不韋 呂 / Mbed 2 deprecated Demo_NucleoF4xx_SD_Card

Example for reading and writing SD card using SPI mode. SD カード書き込み，読み出しの例 インターフェース：SPI モード使用

Dependencies:   mbed

SDFileSystem/FATFileSystem/ChaN/ff.h@0:08b4a59451e5, 2016-11-13 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Nov 13 11:37:35 2016 +0000
Revision:
0:08b4a59451e5
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:08b4a59451e5 1 /*---------------------------------------------------------------------------/
MikamiUitOpen 0:08b4a59451e5 2 / FatFs - FAT file system module include file R0.09a (C)ChaN, 2012
MikamiUitOpen 0:08b4a59451e5 3 /----------------------------------------------------------------------------/
MikamiUitOpen 0:08b4a59451e5 4 / FatFs module is a generic FAT file system module for small embedded systems.
MikamiUitOpen 0:08b4a59451e5 5 / This is a free software that opened for education, research and commercial
MikamiUitOpen 0:08b4a59451e5 6 / developments under license policy of following terms.
MikamiUitOpen 0:08b4a59451e5 7 /
MikamiUitOpen 0:08b4a59451e5 8 / Copyright (C) 2012, ChaN, all right reserved.
MikamiUitOpen 0:08b4a59451e5 9 /
MikamiUitOpen 0:08b4a59451e5 10 / * The FatFs module is a free software and there is NO WARRANTY.
MikamiUitOpen 0:08b4a59451e5 11 / * No restriction on use. You can use, modify and redistribute it for
MikamiUitOpen 0:08b4a59451e5 12 / personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
MikamiUitOpen 0:08b4a59451e5 13 / * Redistributions of source code must retain the above copyright notice.
MikamiUitOpen 0:08b4a59451e5 14 /
MikamiUitOpen 0:08b4a59451e5 15 /----------------------------------------------------------------------------*/
MikamiUitOpen 0:08b4a59451e5 16
MikamiUitOpen 0:08b4a59451e5 17 #ifndef _FATFS
MikamiUitOpen 0:08b4a59451e5 18 #define _FATFS 4004 /* Revision ID */
MikamiUitOpen 0:08b4a59451e5 19
MikamiUitOpen 0:08b4a59451e5 20 #ifdef __cplusplus
MikamiUitOpen 0:08b4a59451e5 21 extern "C" {
MikamiUitOpen 0:08b4a59451e5 22 #endif
MikamiUitOpen 0:08b4a59451e5 23
MikamiUitOpen 0:08b4a59451e5 24 #include "integer.h" /* Basic integer types */
MikamiUitOpen 0:08b4a59451e5 25 #include "ffconf.h" /* FatFs configuration options */
MikamiUitOpen 0:08b4a59451e5 26
MikamiUitOpen 0:08b4a59451e5 27 #if _FATFS != _FFCONF
MikamiUitOpen 0:08b4a59451e5 28 #error Wrong configuration file (ffconf.h).
MikamiUitOpen 0:08b4a59451e5 29 #endif
MikamiUitOpen 0:08b4a59451e5 30
MikamiUitOpen 0:08b4a59451e5 31
MikamiUitOpen 0:08b4a59451e5 32
MikamiUitOpen 0:08b4a59451e5 33 /* Definitions of volume management */
MikamiUitOpen 0:08b4a59451e5 34
MikamiUitOpen 0:08b4a59451e5 35 #if _MULTI_PARTITION /* Multiple partition configuration */
MikamiUitOpen 0:08b4a59451e5 36 typedef struct {
MikamiUitOpen 0:08b4a59451e5 37 BYTE pd; /* Physical drive number */
MikamiUitOpen 0:08b4a59451e5 38 BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
MikamiUitOpen 0:08b4a59451e5 39 } PARTITION;
MikamiUitOpen 0:08b4a59451e5 40 extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
MikamiUitOpen 0:08b4a59451e5 41 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
MikamiUitOpen 0:08b4a59451e5 42 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
MikamiUitOpen 0:08b4a59451e5 43
MikamiUitOpen 0:08b4a59451e5 44 #else /* Single partition configuration */
MikamiUitOpen 0:08b4a59451e5 45 #define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
MikamiUitOpen 0:08b4a59451e5 46 #define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */
MikamiUitOpen 0:08b4a59451e5 47
MikamiUitOpen 0:08b4a59451e5 48 #endif
MikamiUitOpen 0:08b4a59451e5 49
MikamiUitOpen 0:08b4a59451e5 50
MikamiUitOpen 0:08b4a59451e5 51
MikamiUitOpen 0:08b4a59451e5 52 /* Type of path name strings on FatFs API */
MikamiUitOpen 0:08b4a59451e5 53
MikamiUitOpen 0:08b4a59451e5 54 #if _LFN_UNICODE /* Unicode string */
MikamiUitOpen 0:08b4a59451e5 55 #if !_USE_LFN
MikamiUitOpen 0:08b4a59451e5 56 #error _LFN_UNICODE must be 0 in non-LFN cfg.
MikamiUitOpen 0:08b4a59451e5 57 #endif
MikamiUitOpen 0:08b4a59451e5 58 #ifndef _INC_TCHAR
MikamiUitOpen 0:08b4a59451e5 59 typedef WCHAR TCHAR;
MikamiUitOpen 0:08b4a59451e5 60 #define _T(x) L ## x
MikamiUitOpen 0:08b4a59451e5 61 #define _TEXT(x) L ## x
MikamiUitOpen 0:08b4a59451e5 62 #endif
MikamiUitOpen 0:08b4a59451e5 63
MikamiUitOpen 0:08b4a59451e5 64 #else /* ANSI/OEM string */
MikamiUitOpen 0:08b4a59451e5 65 #ifndef _INC_TCHAR
MikamiUitOpen 0:08b4a59451e5 66 typedef char TCHAR;
MikamiUitOpen 0:08b4a59451e5 67 #define _T(x) x
MikamiUitOpen 0:08b4a59451e5 68 #define _TEXT(x) x
MikamiUitOpen 0:08b4a59451e5 69 #endif
MikamiUitOpen 0:08b4a59451e5 70
MikamiUitOpen 0:08b4a59451e5 71 #endif
MikamiUitOpen 0:08b4a59451e5 72
MikamiUitOpen 0:08b4a59451e5 73
MikamiUitOpen 0:08b4a59451e5 74
MikamiUitOpen 0:08b4a59451e5 75 /* File system object structure (FATFS) */
MikamiUitOpen 0:08b4a59451e5 76
MikamiUitOpen 0:08b4a59451e5 77 typedef struct {
MikamiUitOpen 0:08b4a59451e5 78 BYTE fs_type; /* FAT sub-type (0:Not mounted) */
MikamiUitOpen 0:08b4a59451e5 79 BYTE drv; /* Physical drive number */
MikamiUitOpen 0:08b4a59451e5 80 BYTE csize; /* Sectors per cluster (1,2,4...128) */
MikamiUitOpen 0:08b4a59451e5 81 BYTE n_fats; /* Number of FAT copies (1,2) */
MikamiUitOpen 0:08b4a59451e5 82 BYTE wflag; /* win[] dirty flag (1:must be written back) */
MikamiUitOpen 0:08b4a59451e5 83 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
MikamiUitOpen 0:08b4a59451e5 84 WORD id; /* File system mount ID */
MikamiUitOpen 0:08b4a59451e5 85 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
MikamiUitOpen 0:08b4a59451e5 86 #if _MAX_SS != 512
MikamiUitOpen 0:08b4a59451e5 87 WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
MikamiUitOpen 0:08b4a59451e5 88 #endif
MikamiUitOpen 0:08b4a59451e5 89 #if _FS_REENTRANT
MikamiUitOpen 0:08b4a59451e5 90 _SYNC_t sobj; /* Identifier of sync object */
MikamiUitOpen 0:08b4a59451e5 91 #endif
MikamiUitOpen 0:08b4a59451e5 92 #if !_FS_READONLY
MikamiUitOpen 0:08b4a59451e5 93 DWORD last_clust; /* Last allocated cluster */
MikamiUitOpen 0:08b4a59451e5 94 DWORD free_clust; /* Number of free clusters */
MikamiUitOpen 0:08b4a59451e5 95 DWORD fsi_sector; /* fsinfo sector (FAT32) */
MikamiUitOpen 0:08b4a59451e5 96 #endif
MikamiUitOpen 0:08b4a59451e5 97 #if _FS_RPATH
MikamiUitOpen 0:08b4a59451e5 98 DWORD cdir; /* Current directory start cluster (0:root) */
MikamiUitOpen 0:08b4a59451e5 99 #endif
MikamiUitOpen 0:08b4a59451e5 100 DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */
MikamiUitOpen 0:08b4a59451e5 101 DWORD fsize; /* Sectors per FAT */
MikamiUitOpen 0:08b4a59451e5 102 DWORD fatbase; /* FAT start sector */
MikamiUitOpen 0:08b4a59451e5 103 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
MikamiUitOpen 0:08b4a59451e5 104 DWORD database; /* Data start sector */
MikamiUitOpen 0:08b4a59451e5 105 DWORD winsect; /* Current sector appearing in the win[] */
MikamiUitOpen 0:08b4a59451e5 106 BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */
MikamiUitOpen 0:08b4a59451e5 107 } FATFS;
MikamiUitOpen 0:08b4a59451e5 108
MikamiUitOpen 0:08b4a59451e5 109
MikamiUitOpen 0:08b4a59451e5 110
MikamiUitOpen 0:08b4a59451e5 111 /* File object structure (FIL) */
MikamiUitOpen 0:08b4a59451e5 112
MikamiUitOpen 0:08b4a59451e5 113 typedef struct {
MikamiUitOpen 0:08b4a59451e5 114 FATFS* fs; /* Pointer to the related file system object */
MikamiUitOpen 0:08b4a59451e5 115 WORD id; /* File system mount ID of the related file system object */
MikamiUitOpen 0:08b4a59451e5 116 BYTE flag; /* File status flags */
MikamiUitOpen 0:08b4a59451e5 117 BYTE pad1;
MikamiUitOpen 0:08b4a59451e5 118 DWORD fptr; /* File read/write pointer (0ed on file open) */
MikamiUitOpen 0:08b4a59451e5 119 DWORD fsize; /* File size */
MikamiUitOpen 0:08b4a59451e5 120 DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
MikamiUitOpen 0:08b4a59451e5 121 DWORD clust; /* Current cluster of fpter */
MikamiUitOpen 0:08b4a59451e5 122 DWORD dsect; /* Current data sector of fpter */
MikamiUitOpen 0:08b4a59451e5 123 #if !_FS_READONLY
MikamiUitOpen 0:08b4a59451e5 124 DWORD dir_sect; /* Sector containing the directory entry */
MikamiUitOpen 0:08b4a59451e5 125 BYTE* dir_ptr; /* Pointer to the directory entry in the window */
MikamiUitOpen 0:08b4a59451e5 126 #endif
MikamiUitOpen 0:08b4a59451e5 127 #if _USE_FASTSEEK
MikamiUitOpen 0:08b4a59451e5 128 DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */
MikamiUitOpen 0:08b4a59451e5 129 #endif
MikamiUitOpen 0:08b4a59451e5 130 #if _FS_LOCK
MikamiUitOpen 0:08b4a59451e5 131 UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
MikamiUitOpen 0:08b4a59451e5 132 #endif
MikamiUitOpen 0:08b4a59451e5 133 #if !_FS_TINY
MikamiUitOpen 0:08b4a59451e5 134 BYTE buf[_MAX_SS]; /* File data read/write buffer */
MikamiUitOpen 0:08b4a59451e5 135 #endif
MikamiUitOpen 0:08b4a59451e5 136 } FIL;
MikamiUitOpen 0:08b4a59451e5 137
MikamiUitOpen 0:08b4a59451e5 138
MikamiUitOpen 0:08b4a59451e5 139
MikamiUitOpen 0:08b4a59451e5 140 /* Directory object structure (DIR) */
MikamiUitOpen 0:08b4a59451e5 141
MikamiUitOpen 0:08b4a59451e5 142 typedef struct {
MikamiUitOpen 0:08b4a59451e5 143 FATFS* fs; /* Pointer to the owner file system object */
MikamiUitOpen 0:08b4a59451e5 144 WORD id; /* Owner file system mount ID */
MikamiUitOpen 0:08b4a59451e5 145 WORD index; /* Current read/write index number */
MikamiUitOpen 0:08b4a59451e5 146 DWORD sclust; /* Table start cluster (0:Root dir) */
MikamiUitOpen 0:08b4a59451e5 147 DWORD clust; /* Current cluster */
MikamiUitOpen 0:08b4a59451e5 148 DWORD sect; /* Current sector */
MikamiUitOpen 0:08b4a59451e5 149 BYTE* dir; /* Pointer to the current SFN entry in the win[] */
MikamiUitOpen 0:08b4a59451e5 150 BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
MikamiUitOpen 0:08b4a59451e5 151 #if _USE_LFN
MikamiUitOpen 0:08b4a59451e5 152 WCHAR* lfn; /* Pointer to the LFN working buffer */
MikamiUitOpen 0:08b4a59451e5 153 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
MikamiUitOpen 0:08b4a59451e5 154 #endif
MikamiUitOpen 0:08b4a59451e5 155 } FATFS_DIR;
MikamiUitOpen 0:08b4a59451e5 156
MikamiUitOpen 0:08b4a59451e5 157
MikamiUitOpen 0:08b4a59451e5 158
MikamiUitOpen 0:08b4a59451e5 159 /* File status structure (FILINFO) */
MikamiUitOpen 0:08b4a59451e5 160
MikamiUitOpen 0:08b4a59451e5 161 typedef struct {
MikamiUitOpen 0:08b4a59451e5 162 DWORD fsize; /* File size */
MikamiUitOpen 0:08b4a59451e5 163 WORD fdate; /* Last modified date */
MikamiUitOpen 0:08b4a59451e5 164 WORD ftime; /* Last modified time */
MikamiUitOpen 0:08b4a59451e5 165 BYTE fattrib; /* Attribute */
MikamiUitOpen 0:08b4a59451e5 166 TCHAR fname[13]; /* Short file name (8.3 format) */
MikamiUitOpen 0:08b4a59451e5 167 #if _USE_LFN
MikamiUitOpen 0:08b4a59451e5 168 TCHAR* lfname; /* Pointer to the LFN buffer */
MikamiUitOpen 0:08b4a59451e5 169 UINT lfsize; /* Size of LFN buffer in TCHAR */
MikamiUitOpen 0:08b4a59451e5 170 #endif
MikamiUitOpen 0:08b4a59451e5 171 } FILINFO;
MikamiUitOpen 0:08b4a59451e5 172
MikamiUitOpen 0:08b4a59451e5 173
MikamiUitOpen 0:08b4a59451e5 174
MikamiUitOpen 0:08b4a59451e5 175 /* File function return code (FRESULT) */
MikamiUitOpen 0:08b4a59451e5 176
MikamiUitOpen 0:08b4a59451e5 177 typedef enum {
MikamiUitOpen 0:08b4a59451e5 178 FR_OK = 0, /* (0) Succeeded */
MikamiUitOpen 0:08b4a59451e5 179 FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
MikamiUitOpen 0:08b4a59451e5 180 FR_INT_ERR, /* (2) Assertion failed */
MikamiUitOpen 0:08b4a59451e5 181 FR_NOT_READY, /* (3) The physical drive cannot work */
MikamiUitOpen 0:08b4a59451e5 182 FR_NO_FILE, /* (4) Could not find the file */
MikamiUitOpen 0:08b4a59451e5 183 FR_NO_PATH, /* (5) Could not find the path */
MikamiUitOpen 0:08b4a59451e5 184 FR_INVALID_NAME, /* (6) The path name format is invalid */
MikamiUitOpen 0:08b4a59451e5 185 FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
MikamiUitOpen 0:08b4a59451e5 186 FR_EXIST, /* (8) Access denied due to prohibited access */
MikamiUitOpen 0:08b4a59451e5 187 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
MikamiUitOpen 0:08b4a59451e5 188 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
MikamiUitOpen 0:08b4a59451e5 189 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
MikamiUitOpen 0:08b4a59451e5 190 FR_NOT_ENABLED, /* (12) The volume has no work area */
MikamiUitOpen 0:08b4a59451e5 191 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
MikamiUitOpen 0:08b4a59451e5 192 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
MikamiUitOpen 0:08b4a59451e5 193 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
MikamiUitOpen 0:08b4a59451e5 194 FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
MikamiUitOpen 0:08b4a59451e5 195 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
MikamiUitOpen 0:08b4a59451e5 196 FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
MikamiUitOpen 0:08b4a59451e5 197 FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
MikamiUitOpen 0:08b4a59451e5 198 } FRESULT;
MikamiUitOpen 0:08b4a59451e5 199
MikamiUitOpen 0:08b4a59451e5 200
MikamiUitOpen 0:08b4a59451e5 201
MikamiUitOpen 0:08b4a59451e5 202 /*--------------------------------------------------------------*/
MikamiUitOpen 0:08b4a59451e5 203 /* FatFs module application interface */
MikamiUitOpen 0:08b4a59451e5 204
MikamiUitOpen 0:08b4a59451e5 205 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
MikamiUitOpen 0:08b4a59451e5 206 FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */
MikamiUitOpen 0:08b4a59451e5 207 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
MikamiUitOpen 0:08b4a59451e5 208 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
MikamiUitOpen 0:08b4a59451e5 209 FRESULT f_close (FIL*); /* Close an open file object */
MikamiUitOpen 0:08b4a59451e5 210 FRESULT f_opendir (FATFS_DIR*, const TCHAR*); /* Open an existing directory */
MikamiUitOpen 0:08b4a59451e5 211 FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
MikamiUitOpen 0:08b4a59451e5 212 FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */
MikamiUitOpen 0:08b4a59451e5 213 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */
MikamiUitOpen 0:08b4a59451e5 214 FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
MikamiUitOpen 0:08b4a59451e5 215 FRESULT f_truncate (FIL*); /* Truncate file */
MikamiUitOpen 0:08b4a59451e5 216 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
MikamiUitOpen 0:08b4a59451e5 217 FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */
MikamiUitOpen 0:08b4a59451e5 218 FRESULT f_mkdir (const TCHAR*); /* Create a new directory */
MikamiUitOpen 0:08b4a59451e5 219 FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attribute of the file/dir */
MikamiUitOpen 0:08b4a59451e5 220 FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change times-tamp of the file/dir */
MikamiUitOpen 0:08b4a59451e5 221 FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */
MikamiUitOpen 0:08b4a59451e5 222 FRESULT f_chdrive (BYTE); /* Change current drive */
MikamiUitOpen 0:08b4a59451e5 223 FRESULT f_chdir (const TCHAR*); /* Change current directory */
MikamiUitOpen 0:08b4a59451e5 224 FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */
MikamiUitOpen 0:08b4a59451e5 225 FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */
MikamiUitOpen 0:08b4a59451e5 226 FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */
MikamiUitOpen 0:08b4a59451e5 227 FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */
MikamiUitOpen 0:08b4a59451e5 228 int f_putc (TCHAR, FIL*); /* Put a character to the file */
MikamiUitOpen 0:08b4a59451e5 229 int f_puts (const TCHAR*, FIL*); /* Put a string to the file */
MikamiUitOpen 0:08b4a59451e5 230 int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */
MikamiUitOpen 0:08b4a59451e5 231 TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */
MikamiUitOpen 0:08b4a59451e5 232
MikamiUitOpen 0:08b4a59451e5 233 #define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
MikamiUitOpen 0:08b4a59451e5 234 #define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
MikamiUitOpen 0:08b4a59451e5 235 #define f_tell(fp) ((fp)->fptr)
MikamiUitOpen 0:08b4a59451e5 236 #define f_size(fp) ((fp)->fsize)
MikamiUitOpen 0:08b4a59451e5 237
MikamiUitOpen 0:08b4a59451e5 238 #ifndef EOF
MikamiUitOpen 0:08b4a59451e5 239 #define EOF (-1)
MikamiUitOpen 0:08b4a59451e5 240 #endif
MikamiUitOpen 0:08b4a59451e5 241
MikamiUitOpen 0:08b4a59451e5 242
MikamiUitOpen 0:08b4a59451e5 243
MikamiUitOpen 0:08b4a59451e5 244
MikamiUitOpen 0:08b4a59451e5 245 /*--------------------------------------------------------------*/
MikamiUitOpen 0:08b4a59451e5 246 /* Additional user defined functions */
MikamiUitOpen 0:08b4a59451e5 247
MikamiUitOpen 0:08b4a59451e5 248 /* RTC function */
MikamiUitOpen 0:08b4a59451e5 249 #if !_FS_READONLY
MikamiUitOpen 0:08b4a59451e5 250 DWORD get_fattime (void);
MikamiUitOpen 0:08b4a59451e5 251 #endif
MikamiUitOpen 0:08b4a59451e5 252
MikamiUitOpen 0:08b4a59451e5 253 /* Unicode support functions */
MikamiUitOpen 0:08b4a59451e5 254 #if _USE_LFN /* Unicode - OEM code conversion */
MikamiUitOpen 0:08b4a59451e5 255 WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */
MikamiUitOpen 0:08b4a59451e5 256 WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */
MikamiUitOpen 0:08b4a59451e5 257 #if _USE_LFN == 3 /* Memory functions */
MikamiUitOpen 0:08b4a59451e5 258 void* ff_memalloc (UINT); /* Allocate memory block */
MikamiUitOpen 0:08b4a59451e5 259 void ff_memfree (void*); /* Free memory block */
MikamiUitOpen 0:08b4a59451e5 260 #endif
MikamiUitOpen 0:08b4a59451e5 261 #endif
MikamiUitOpen 0:08b4a59451e5 262
MikamiUitOpen 0:08b4a59451e5 263 /* Sync functions */
MikamiUitOpen 0:08b4a59451e5 264 #if _FS_REENTRANT
MikamiUitOpen 0:08b4a59451e5 265 int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */
MikamiUitOpen 0:08b4a59451e5 266 int ff_req_grant (_SYNC_t); /* Lock sync object */
MikamiUitOpen 0:08b4a59451e5 267 void ff_rel_grant (_SYNC_t); /* Unlock sync object */
MikamiUitOpen 0:08b4a59451e5 268 int ff_del_syncobj (_SYNC_t); /* Delete a sync object */
MikamiUitOpen 0:08b4a59451e5 269 #endif
MikamiUitOpen 0:08b4a59451e5 270
MikamiUitOpen 0:08b4a59451e5 271
MikamiUitOpen 0:08b4a59451e5 272
MikamiUitOpen 0:08b4a59451e5 273
MikamiUitOpen 0:08b4a59451e5 274 /*--------------------------------------------------------------*/
MikamiUitOpen 0:08b4a59451e5 275 /* Flags and offset address */
MikamiUitOpen 0:08b4a59451e5 276
MikamiUitOpen 0:08b4a59451e5 277
MikamiUitOpen 0:08b4a59451e5 278 /* File access control and file status flags (FIL.flag) */
MikamiUitOpen 0:08b4a59451e5 279
MikamiUitOpen 0:08b4a59451e5 280 #define FA_READ 0x01
MikamiUitOpen 0:08b4a59451e5 281 #define FA_OPEN_EXISTING 0x00
MikamiUitOpen 0:08b4a59451e5 282 #define FA__ERROR 0x80
MikamiUitOpen 0:08b4a59451e5 283
MikamiUitOpen 0:08b4a59451e5 284 #if !_FS_READONLY
MikamiUitOpen 0:08b4a59451e5 285 #define FA_WRITE 0x02
MikamiUitOpen 0:08b4a59451e5 286 #define FA_CREATE_NEW 0x04
MikamiUitOpen 0:08b4a59451e5 287 #define FA_CREATE_ALWAYS 0x08
MikamiUitOpen 0:08b4a59451e5 288 #define FA_OPEN_ALWAYS 0x10
MikamiUitOpen 0:08b4a59451e5 289 #define FA__WRITTEN 0x20
MikamiUitOpen 0:08b4a59451e5 290 #define FA__DIRTY 0x40
MikamiUitOpen 0:08b4a59451e5 291 #endif
MikamiUitOpen 0:08b4a59451e5 292
MikamiUitOpen 0:08b4a59451e5 293
MikamiUitOpen 0:08b4a59451e5 294 /* FAT sub type (FATFS.fs_type) */
MikamiUitOpen 0:08b4a59451e5 295
MikamiUitOpen 0:08b4a59451e5 296 #define FS_FAT12 1
MikamiUitOpen 0:08b4a59451e5 297 #define FS_FAT16 2
MikamiUitOpen 0:08b4a59451e5 298 #define FS_FAT32 3
MikamiUitOpen 0:08b4a59451e5 299
MikamiUitOpen 0:08b4a59451e5 300
MikamiUitOpen 0:08b4a59451e5 301 /* File attribute bits for directory entry */
MikamiUitOpen 0:08b4a59451e5 302
MikamiUitOpen 0:08b4a59451e5 303 #define AM_RDO 0x01 /* Read only */
MikamiUitOpen 0:08b4a59451e5 304 #define AM_HID 0x02 /* Hidden */
MikamiUitOpen 0:08b4a59451e5 305 #define AM_SYS 0x04 /* System */
MikamiUitOpen 0:08b4a59451e5 306 #define AM_VOL 0x08 /* Volume label */
MikamiUitOpen 0:08b4a59451e5 307 #define AM_LFN 0x0F /* LFN entry */
MikamiUitOpen 0:08b4a59451e5 308 #define AM_DIR 0x10 /* Directory */
MikamiUitOpen 0:08b4a59451e5 309 #define AM_ARC 0x20 /* Archive */
MikamiUitOpen 0:08b4a59451e5 310 #define AM_MASK 0x3F /* Mask of defined bits */
MikamiUitOpen 0:08b4a59451e5 311
MikamiUitOpen 0:08b4a59451e5 312
MikamiUitOpen 0:08b4a59451e5 313 /* Fast seek feature */
MikamiUitOpen 0:08b4a59451e5 314 #define CREATE_LINKMAP 0xFFFFFFFF
MikamiUitOpen 0:08b4a59451e5 315
MikamiUitOpen 0:08b4a59451e5 316
MikamiUitOpen 0:08b4a59451e5 317
MikamiUitOpen 0:08b4a59451e5 318 /*--------------------------------*/
MikamiUitOpen 0:08b4a59451e5 319 /* Multi-byte word access macros */
MikamiUitOpen 0:08b4a59451e5 320
MikamiUitOpen 0:08b4a59451e5 321 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
MikamiUitOpen 0:08b4a59451e5 322 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
MikamiUitOpen 0:08b4a59451e5 323 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
MikamiUitOpen 0:08b4a59451e5 324 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
MikamiUitOpen 0:08b4a59451e5 325 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
MikamiUitOpen 0:08b4a59451e5 326 #else /* Use byte-by-byte access to the FAT structure */
MikamiUitOpen 0:08b4a59451e5 327 #define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
MikamiUitOpen 0:08b4a59451e5 328 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
MikamiUitOpen 0:08b4a59451e5 329 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
MikamiUitOpen 0:08b4a59451e5 330 #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)
MikamiUitOpen 0:08b4a59451e5 331 #endif
MikamiUitOpen 0:08b4a59451e5 332
MikamiUitOpen 0:08b4a59451e5 333 #ifdef __cplusplus
MikamiUitOpen 0:08b4a59451e5 334 }
MikamiUitOpen 0:08b4a59451e5 335 #endif
MikamiUitOpen 0:08b4a59451e5 336
MikamiUitOpen 0:08b4a59451e5 337 #endif /* _FATFS */