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Diffstat (limited to 'tools/iso/kernel.soso/fatfs_ff.h')
| -rw-r--r-- | tools/iso/kernel.soso/fatfs_ff.h | 366 |
1 files changed, 366 insertions, 0 deletions
diff --git a/tools/iso/kernel.soso/fatfs_ff.h b/tools/iso/kernel.soso/fatfs_ff.h new file mode 100644 index 00000000..187387cb --- /dev/null +++ b/tools/iso/kernel.soso/fatfs_ff.h @@ -0,0 +1,366 @@ +/*----------------------------------------------------------------------------/ +/ FatFs - Generic FAT Filesystem module R0.13a / +/-----------------------------------------------------------------------------/ +/ +/ Copyright (C) 2017, ChaN, all right reserved. +/ +/ FatFs module is an open source software. Redistribution and use of FatFs in +/ source and binary forms, with or without modification, are permitted provided +/ that the following condition is met: + +/ 1. Redistributions of source code must retain the above copyright notice, +/ this condition and the following disclaimer. +/ +/ This software is provided by the copyright holder and contributors "AS IS" +/ and any warranties related to this software are DISCLAIMED. +/ The copyright owner or contributors be NOT LIABLE for any damages caused +/ by use of this software. +/ +/----------------------------------------------------------------------------*/ + + +#ifndef FF_DEFINED +#define FF_DEFINED 89352 /* Revision ID */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "fatfs_integer.h" /* Basic integer types */ +#include "fatfs_ffconf.h" /* FatFs configuration options */ + +#if FF_DEFINED != FFCONF_DEF +#error Wrong configuration file (ffconf.h). +#endif + + + +/* Definitions of volume management */ + +#if FF_MULTI_PARTITION /* Multiple partition configuration */ +typedef struct { + BYTE pd; /* Physical drive number */ + BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ +} PARTITION; +extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ +#endif + + + +/* Type of path name strings on FatFs API */ + +#ifndef _INC_TCHAR +#define _INC_TCHAR + +#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */ +typedef WCHAR TCHAR; +#define _T(x) L ## x +#define _TEXT(x) L ## x +#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */ +typedef char TCHAR; +#define _T(x) u8 ## x +#define _TEXT(x) u8 ## x +#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 2) +#error Wrong FF_LFN_UNICODE setting +#else /* ANSI/OEM code in SBCS/DBCS */ +typedef char TCHAR; +#define _T(x) x +#define _TEXT(x) x +#endif + +#endif + + + +/* Type of file size variables */ + +#if FF_FS_EXFAT +typedef QWORD FSIZE_t; +#else +typedef DWORD FSIZE_t; +#endif + + + +/* Filesystem object structure (FATFS) */ + +typedef struct { + BYTE fs_type; /* Filesystem type (0:N/A) */ + BYTE pdrv; /* Physical drive number */ + BYTE n_fats; /* Number of FATs (1 or 2) */ + BYTE wflag; /* win[] flag (b0:dirty) */ + BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */ + WORD id; /* Volume mount ID */ + WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ + WORD csize; /* Cluster size [sectors] */ +#if FF_MAX_SS != FF_MIN_SS + WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */ +#endif +#if FF_USE_LFN + WCHAR* lfnbuf; /* LFN working buffer */ +#endif +#if FF_FS_EXFAT + BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */ +#endif +#if FF_FS_REENTRANT + FF_SYNC_t sobj; /* Identifier of sync object */ +#endif +#if !FF_FS_READONLY + DWORD last_clst; /* Last allocated cluster */ + DWORD free_clst; /* Number of free clusters */ +#endif +#if FF_FS_RPATH + DWORD cdir; /* Current directory start cluster (0:root) */ +#if FF_FS_EXFAT + DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */ + DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */ + DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */ +#endif +#endif + DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */ + DWORD fsize; /* Size of an FAT [sectors] */ + DWORD volbase; /* Volume base sector */ + DWORD fatbase; /* FAT base sector */ + DWORD dirbase; /* Root directory base sector/cluster */ + DWORD database; /* Data base sector */ + DWORD winsect; /* Current sector appearing in the win[] */ + BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */ +} FATFS; + + + +/* Object ID and allocation information (FFOBJID) */ + +typedef struct { + FATFS* fs; /* Pointer to the hosting volume of this object */ + WORD id; /* Hosting volume mount ID */ + BYTE attr; /* Object attribute */ + BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:flagmented in this session, b2:sub-directory stretched) */ + DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */ + FSIZE_t objsize; /* Object size (valid when sclust != 0) */ +#if FF_FS_EXFAT + DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */ + DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */ + DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */ + DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */ + DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */ +#endif +#if FF_FS_LOCK + UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */ +#endif +} FFOBJID; + + + +/* File object structure (FIL) */ + +typedef struct { + FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */ + BYTE flag; /* File status flags */ + BYTE err; /* Abort flag (error code) */ + FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */ + DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */ + DWORD sect; /* Sector number appearing in buf[] (0:invalid) */ +#if !FF_FS_READONLY + DWORD dir_sect; /* Sector number containing the directory entry (not used at exFAT) */ + BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */ +#endif +#if FF_USE_FASTSEEK + DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */ +#endif +#if !FF_FS_TINY + BYTE buf[FF_MAX_SS]; /* File private data read/write window */ +#endif +} FIL; + + + +/* Directory object structure (DIR) */ + +typedef struct { + FFOBJID obj; /* Object identifier */ + DWORD dptr; /* Current read/write offset */ + DWORD clust; /* Current cluster */ + DWORD sect; /* Current sector (0:Read operation has terminated) */ + BYTE* dir; /* Pointer to the directory item in the win[] */ + BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */ +#if FF_USE_LFN + DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */ +#endif +#if FF_USE_FIND + const TCHAR* pat; /* Pointer to the name matching pattern */ +#endif +} DIR; + + + +/* File information structure (FILINFO) */ + +typedef struct { + FSIZE_t fsize; /* File size */ + WORD fdate; /* Modified date */ + WORD ftime; /* Modified time */ + BYTE fattrib; /* File attribute */ +#if FF_USE_LFN + TCHAR altname[FF_SFN_BUF + 1];/* Altenative file name */ + TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */ +#else + TCHAR fname[12 + 1]; /* File name */ +#endif +} FILINFO; + + + +/* File function return code (FRESULT) */ + +typedef enum { + FR_OK = 0, /* (0) Succeeded */ + FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */ + FR_INT_ERR, /* (2) Assertion failed */ + FR_NOT_READY, /* (3) The physical drive cannot work */ + FR_NO_FILE, /* (4) Could not find the file */ + FR_NO_PATH, /* (5) Could not find the path */ + FR_INVALID_NAME, /* (6) The path name format is invalid */ + FR_DENIED, /* (7) Access denied due to prohibited access or directory full */ + FR_EXIST, /* (8) Access denied due to prohibited access */ + FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */ + FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */ + FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */ + FR_NOT_ENABLED, /* (12) The volume has no work area */ + FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */ + FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */ + FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */ + FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */ + FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */ + FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */ + FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ +} FRESULT; + + + +/*--------------------------------------------------------------*/ +/* FatFs module application interface */ + +FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */ +FRESULT f_close (FIL* fp); /* Close an open file object */ +FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */ +FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */ +FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */ +FRESULT f_truncate (FIL* fp); /* Truncate the file */ +FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */ +FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */ +FRESULT f_closedir (DIR* dp); /* Close an open directory */ +FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */ +FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */ +FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */ +FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */ +FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */ +FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */ +FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */ +FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */ +FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */ +FRESULT f_chdir (const TCHAR* path); /* Change current directory */ +FRESULT f_chdrive (const TCHAR* path); /* Change current drive */ +FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */ +FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */ +FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */ +FRESULT f_setlabel (const TCHAR* label); /* Set volume label */ +FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */ +FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt); /* Allocate a contiguous block to the file */ +FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */ +FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */ +FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */ +FRESULT f_setcp (WORD cp); /* Set current code page */ +int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */ +int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */ +int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */ +TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */ + +#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize)) +#define f_error(fp) ((fp)->err) +#define f_tell(fp) ((fp)->fptr) +#define f_size(fp) ((fp)->obj.objsize) +#define f_rewind(fp) f_lseek((fp), 0) +#define f_rewinddir(dp) f_readdir((dp), 0) +#define f_rmdir(path) f_unlink(path) +#define f_unmount(path) f_mount(0, path, 0) + +#ifndef EOF +#define EOF (-1) +#endif + + + + +/*--------------------------------------------------------------*/ +/* Additional user defined functions */ + +/* RTC function */ +#if !FF_FS_READONLY && !FF_FS_NORTC +DWORD get_fattime (void); +#endif + +/* LFN support functions */ +#if FF_USE_LFN >= 1 /* Code conversion (defined in unicode.c) */ +WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */ +WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */ +DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */ +#endif +#if FF_USE_LFN == 3 /* Dynamic memory allocation */ +void* ff_memalloc (UINT msize); /* Allocate memory block */ +void ff_memfree (void* mblock); /* Free memory block */ +#endif + +/* Sync functions */ +#if FF_FS_REENTRANT +int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj); /* Create a sync object */ +int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */ +void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */ +int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */ +#endif + + + + +/*--------------------------------------------------------------*/ +/* Flags and offset address */ + + +/* File access mode and open method flags (3rd argument of f_open) */ +#define FA_READ 0x01 +#define FA_WRITE 0x02 +#define FA_OPEN_EXISTING 0x00 +#define FA_CREATE_NEW 0x04 +#define FA_CREATE_ALWAYS 0x08 +#define FA_OPEN_ALWAYS 0x10 +#define FA_OPEN_APPEND 0x30 + +/* Fast seek controls (2nd argument of f_lseek) */ +#define CREATE_LINKMAP ((FSIZE_t)0 - 1) + +/* Format options (2nd argument of f_mkfs) */ +#define FM_FAT 0x01 +#define FM_FAT32 0x02 +#define FM_EXFAT 0x04 +#define FM_ANY 0x07 +#define FM_SFD 0x08 + +/* Filesystem type (FATFS.fs_type) */ +#define FS_FAT12 1 +#define FS_FAT16 2 +#define FS_FAT32 3 +#define FS_EXFAT 4 + +/* File attribute bits for directory entry (FILINFO.fattrib) */ +#define AM_RDO 0x01 /* Read only */ +#define AM_HID 0x02 /* Hidden */ +#define AM_SYS 0x04 /* System */ +#define AM_DIR 0x10 /* Directory */ +#define AM_ARC 0x20 /* Archive */ + + +#ifdef __cplusplus +} +#endif + +#endif /* FF_DEFINED */ |