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MAVRK Embedded Software 0.91
Software Libraries for the MAVRK motherboard and related components
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MAVRK Embedded Software 0.91
Software Libraries for the MAVRK motherboard and related components
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00001 /*---------------------------------------------------------------------------/ 00002 / FatFs - FAT file system module include file R0.08b (C)ChaN, 2011 00003 /----------------------------------------------------------------------------/ 00004 / FatFs module is a generic FAT file system module for small embedded systems. 00005 / This is a free software that opened for education, research and commercial 00006 / developments under license policy of following trems. 00007 / 00008 / Copyright (C) 2011, ChaN, all right reserved. 00009 / 00010 / * The FatFs module is a free software and there is NO WARRANTY. 00011 / * No restriction on use. You can use, modify and redistribute it for 00012 / personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY. 00013 / * Redistributions of source code must retain the above copyright notice. 00014 / 00015 /----------------------------------------------------------------------------*/ 00016 00017 #ifndef _FATFS 00018 #define _FATFS 8237 /* Revision ID */ 00019 00020 #ifdef __cplusplus 00021 extern "C" { 00022 #endif 00023 00024 #include "integer.h" /* Basic integer types */ 00025 #include "ffconf.h" /* FatFs configuration options */ 00026 00027 #if _FATFS != _FFCONF 00028 #error Wrong configuration file (ffconf.h). 00029 #endif 00030 00031 00032 00033 /* Definitions of volume management */ 00034 00035 #if _MULTI_PARTITION /* Multiple partition configuration */ 00036 #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive# */ 00037 #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition# */ 00038 typedef struct { 00039 unsigned char pd; /* Physical drive# */ 00040 unsigned char pt; /* Partition # (0-3) */ 00041 } PARTITION; 00042 extern const PARTITION VolToPart[]; /* Volume - Physical location resolution table */ 00043 00044 #else /* Single partition configuration */ 00045 #define LD2PD(vol) (vol) /* Logical drive# is bound to the same physical drive# */ 00046 #define LD2PT(vol) 0 /* Always mounts the 1st partition */ 00047 00048 #endif 00049 00050 00051 00052 /* Type of path name strings on FatFs API */ 00053 00054 #if _LFN_UNICODE /* Unicode string */ 00055 #if !_USE_LFN 00056 #error _LFN_UNICODE must be 0 in non-LFN cfg. 00057 #endif 00058 #ifndef _INC_TCHAR 00059 typedef WCHAR TCHAR; 00060 #define _T(x) L ## x 00061 #define _TEXT(x) L ## x 00062 #endif 00063 00064 #else /* ANSI/OEM string */ 00065 #ifndef _INC_TCHAR 00066 typedef char TCHAR; 00067 #define _T(x) x 00068 #define _TEXT(x) x 00069 #endif 00070 00071 #endif 00072 00073 00074 00075 /* File system object structure (FATFS) */ 00076 00077 typedef struct { 00078 unsigned char fs_type; /* FAT sub-type (0:Not mounted) */ 00079 unsigned char drv; /* Physical drive number */ 00080 unsigned char csize; /* Sectors per cluster (1,2,4...128) */ 00081 unsigned char n_fats; /* Number of FAT copies (1,2) */ 00082 unsigned char wflag; /* win[] dirty flag (1:must be written back) */ 00083 unsigned char fsi_flag; /* fsinfo dirty flag (1:must be written back) */ 00084 WORD id; /* File system mount ID */ 00085 WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ 00086 #if _MAX_SS != 512 00087 WORD ssize; /* unsigned chars per sector (512,1024,2048,4096) */ 00088 #endif 00089 #if _FS_REENTRANT 00090 _SYNC_t sobj; /* Identifier of sync object */ 00091 #endif 00092 #if !_FS_READONLY 00093 DWORD last_clust; /* Last allocated cluster */ 00094 DWORD free_clust; /* Number of free clusters */ 00095 DWORD fsi_sector; /* fsinfo sector (FAT32) */ 00096 #endif 00097 #if _FS_RPATH 00098 DWORD cdir; /* Current directory start cluster (0:root) */ 00099 #endif 00100 DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */ 00101 DWORD fsize; /* Sectors per FAT */ 00102 DWORD fatbase; /* FAT start sector */ 00103 DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */ 00104 DWORD database; /* Data start sector */ 00105 DWORD winsect; /* Current sector appearing in the win[] */ 00106 unsigned char win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */ 00107 } FATFS; 00108 00109 00110 00111 /* File object structure (FIL) */ 00112 00113 typedef struct { 00114 FATFS* fs; /* Pointer to the owner file system object */ 00115 WORD id; /* Owner file system mount ID */ 00116 unsigned char flag; /* File status flags */ 00117 unsigned char pad1; 00118 DWORD fptr; /* File read/write pointer (0 on file open) */ 00119 DWORD fsize; /* File size */ 00120 DWORD sclust; /* File start cluster (0 when fsize==0) */ 00121 DWORD clust; /* Current cluster */ 00122 DWORD dsect; /* Current data sector */ 00123 #if !_FS_READONLY 00124 DWORD dir_sect; /* Sector containing the directory entry */ 00125 unsigned char* dir_ptr; /* Ponter to the directory entry in the window */ 00126 #endif 00127 #if _USE_FASTSEEK 00128 DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */ 00129 #endif 00130 #if _FS_SHARE 00131 UINT lockid; /* File lock ID (index of file semaphore table) */ 00132 #endif 00133 #if !_FS_TINY 00134 unsigned char buf[_MAX_SS]; /* File data read/write buffer */ 00135 #endif 00136 } FIL; 00137 00138 00139 00140 /* Directory object structure (DIRS) */ 00141 00142 typedef struct { 00143 FATFS* fs; /* Pointer to the owner file system object */ 00144 WORD id; /* Owner file system mount ID */ 00145 WORD index; /* Current read/write index number */ 00146 DWORD sclust; /* Table start cluster (0:Root dir) */ 00147 DWORD clust; /* Current cluster */ 00148 DWORD sect; /* Current sector */ 00149 unsigned char* dir; /* Pointer to the current SFN entry in the win[] */ 00150 unsigned char* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */ 00151 #if _USE_LFN 00152 WCHAR* lfn; /* Pointer to the LFN working buffer */ 00153 WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */ 00154 #endif 00155 } DIRS; 00156 00157 00158 00159 /* File status structure (FILINFO) */ 00160 00161 typedef struct { 00162 DWORD fsize; /* File size */ 00163 WORD fdate; /* Last modified date */ 00164 WORD ftime; /* Last modified time */ 00165 unsigned char fattrib; /* Attribute */ 00166 TCHAR fname[13]; /* Short file name (8.3 format) */ 00167 #if _USE_LFN 00168 TCHAR* lfname; /* Pointer to the LFN buffer */ 00169 UINT lfsize; /* Size of LFN buffer in TCHAR */ 00170 #endif 00171 } FILINFO; 00172 00173 00174 00175 /* File function return code (FRESULT) */ 00176 00177 typedef enum { 00178 FR_OK = 0, /* (0) Succeeded */ 00179 FR_DISK_ERR, /* (1) A hard error occured in the low level disk I/O layer */ 00180 FR_INT_ERR, /* (2) Assertion failed */ 00181 FR_NOT_READY, /* (3) The physical drive cannot work */ 00182 FR_NO_FILE, /* (4) Could not find the file */ 00183 FR_NO_PATH, /* (5) Could not find the path */ 00184 FR_INVALID_NAME, /* (6) The path name format is invalid */ 00185 FR_DENIED, /* (7) Acces denied due to prohibited access or directory full */ 00186 FR_EXIST, /* (8) Acces denied due to prohibited access */ 00187 FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ 00188 FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ 00189 FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ 00190 FR_NOT_ENABLED, /* (12) The volume has no work area */ 00191 FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume on the physical drive */ 00192 FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */ 00193 FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */ 00194 FR_LOCKED, /* (16) The operation is rejected according to the file shareing policy */ 00195 FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */ 00196 FR_TOO_MANY_OPEN_FILES /* (18) Number of open files > _FS_SHARE */ 00197 } FRESULT; 00198 00199 00200 00201 /*--------------------------------------------------------------*/ 00202 /* FatFs module application interface */ 00203 00204 FRESULT f_mount (unsigned char, FATFS*); /* Mount/Unmount a logical drive */ 00205 FRESULT f_open (FIL*, const TCHAR*, unsigned char); /* Open or create a file */ 00206 FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */ 00207 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */ 00208 FRESULT f_close (FIL*); /* Close an open file object */ 00209 FRESULT f_opendir (DIRS*, const TCHAR*); /* Open an existing directory */ 00210 FRESULT f_readdir (DIRS*, FILINFO*); /* Read a directory item */ 00211 FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */ 00212 FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */ 00213 FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */ 00214 FRESULT f_truncate (FIL*); /* Truncate file */ 00215 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */ 00216 FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */ 00217 FRESULT f_mkdir (const TCHAR*); /* Create a new directory */ 00218 FRESULT f_chmod (const TCHAR*, unsigned char, unsigned char); /* Change attriburte of the file/dir */ 00219 FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change timestamp of the file/dir */ 00220 FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */ 00221 FRESULT f_forward (FIL*, UINT(*)(const unsigned char*,UINT), UINT, UINT*); /* Forward data to the stream */ 00222 FRESULT f_mkfs (unsigned char, unsigned char, UINT); /* Create a file system on the drive */ 00223 FRESULT f_chdrive (unsigned char); /* Change current drive */ 00224 FRESULT f_chdir (const TCHAR*); /* Change current directory */ 00225 FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */ 00226 int f_putc (TCHAR, FIL*); /* Put a character to the file */ 00227 int f_puts (const TCHAR*, FIL*); /* Put a string to the file */ 00228 int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */ 00229 TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */ 00230 00231 #ifndef EOF 00232 #define EOF (-1) 00233 #endif 00234 00235 #define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0) 00236 #define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0) 00237 #define f_tell(fp) ((fp)->fptr) 00238 #define f_size(fp) ((fp)->fsize) 00239 00240 00241 00242 00243 /*--------------------------------------------------------------*/ 00244 /* Additional user defined functions */ 00245 00246 /* RTC function */ 00247 #if !_FS_READONLY 00248 DWORD get_fattime (void); 00249 #endif 00250 00251 /* Unicode support functions */ 00252 #if _USE_LFN /* Unicode - OEM code conversion */ 00253 WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */ 00254 WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */ 00255 #if _USE_LFN == 3 /* Memory functions */ 00256 void* ff_memalloc (UINT); /* Allocate memory block */ 00257 void ff_memfree (void*); /* Free memory block */ 00258 #endif 00259 #endif 00260 00261 /* Sync functions */ 00262 #if _FS_REENTRANT 00263 int ff_cre_syncobj (unsigned char, _SYNC_t*);/* Create a sync object */ 00264 int ff_req_grant (_SYNC_t); /* Lock sync object */ 00265 void ff_rel_grant (_SYNC_t); /* Unlock sync object */ 00266 int ff_del_syncobj (_SYNC_t); /* Delete a sync object */ 00267 #endif 00268 00269 00270 00271 00272 /*--------------------------------------------------------------*/ 00273 /* Flags and offset address */ 00274 00275 00276 /* File access control and file status flags (FIL.flag) */ 00277 00278 #define FA_READ 0x01 00279 #define FA_OPEN_EXISTING 0x00 00280 #define FA__ERROR 0x80 00281 00282 #if !_FS_READONLY 00283 #define FA_WRITE 0x02 00284 #define FA_CREATE_NEW 0x04 00285 #define FA_CREATE_ALWAYS 0x08 00286 #define FA_OPEN_ALWAYS 0x10 00287 #define FA__WRITTEN 0x20 00288 #define FA__DIRTY 0x40 00289 #endif 00290 00291 00292 /* FAT sub type (FATFS.fs_type) */ 00293 00294 #define FS_FAT12 1 00295 #define FS_FAT16 2 00296 #define FS_FAT32 3 00297 00298 00299 /* File attribute bits for directory entry */ 00300 00301 #define AM_RDO 0x01 /* Read only */ 00302 #define AM_HID 0x02 /* Hidden */ 00303 #define AM_SYS 0x04 /* System */ 00304 #define AM_VOL 0x08 /* Volume label */ 00305 #define AM_LFN 0x0F /* LFN entry */ 00306 #define AM_DIR 0x10 /* Directory */ 00307 #define AM_ARC 0x20 /* Archive */ 00308 #define AM_MASK 0x3F /* Mask of defined bits */ 00309 00310 00311 /* Fast seek function */ 00312 #define CREATE_LINKMAP 0xFFFFFFFF 00313 00314 00315 00316 /*--------------------------------*/ 00317 /* Multi-unsigned char word access macros */ 00318 00319 #if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */ 00320 #define LD_WORD(ptr) (WORD)(*(WORD*)(unsigned char*)(ptr)) 00321 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(unsigned char*)(ptr)) 00322 #define ST_WORD(ptr,val) *(WORD*)(unsigned char*)(ptr)=(WORD)(val) 00323 #define ST_DWORD(ptr,val) *(DWORD*)(unsigned char*)(ptr)=(DWORD)(val) 00324 #else /* Use unsigned char-by-unsigned char access to the FAT structure */ 00325 #define LD_WORD(ptr) (WORD)(((WORD)*((unsigned char*)(ptr)+1)<<8)|(WORD)*(unsigned char*)(ptr)) 00326 #define LD_DWORD(ptr) (DWORD)(((DWORD)*((unsigned char*)(ptr)+3)<<24)|((DWORD)*((unsigned char*)(ptr)+2)<<16)|((WORD)*((unsigned char*)(ptr)+1)<<8)|*(unsigned char*)(ptr)) 00327 #define ST_WORD(ptr,val) *(unsigned char*)(ptr)=(unsigned char)(val); *((unsigned char*)(ptr)+1)=(unsigned char)((WORD)(val)>>8) 00328 #define ST_DWORD(ptr,val) *(unsigned char*)(ptr)=(unsigned char)(val); *((unsigned char*)(ptr)+1)=(unsigned char)((WORD)(val)>>8); *((unsigned char*)(ptr)+2)=(unsigned char)((DWORD)(val)>>16); *((unsigned char*)(ptr)+3)=(unsigned char)((DWORD)(val)>>24) 00329 #endif 00330 00331 #ifdef __cplusplus 00332 } 00333 #endif 00334 00335 #endif /* _FATFS */
1.7.3
