/*----------------------------------------------------------------------------/ / FatFs - Generic FAT Filesystem module R0.13c / /-----------------------------------------------------------------------------/ / / Copyright (C) 2018, 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 86604 /* Revision ID */ #ifdef __cplusplus extern "C" { #endif #include #include #include "integer.h" /* Basic integer types */ #include "ffconf.h" /* FatFs configuration options */ #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION #include "virpart.h" #endif #ifndef __LITEOS_M__ #include "los_list.h" #endif #if FF_DEFINED != FFCONF_DEF #error Wrong configuration file (ffconf.h). #endif /*--------------------------------*/ /* LFN/Directory working buffer */ /*--------------------------------*/ #if FF_USE_LFN == 0 /* Non-LFN configuration */ #define DEF_NAMBUF #define INIT_NAMBUF(fs) #define FREE_NAMBUF() #define LEAVE_MKFS(res) return res #else /* LFN configurations */ #if FF_MAX_LFN < 12 || FF_MAX_LFN > 255 #error Wrong setting of FF_MAX_LFN #endif #if FF_LFN_BUF < FF_SFN_BUF || FF_SFN_BUF < 12 #error Wrong setting of FF_LFN_BUF or FF_SFN_BUF #endif #if FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3 #error Wrong setting of FF_LFN_UNICODE #endif static const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* FAT: Offset of LFN characters in the directory entry */ #if FF_USE_LFN == 1 /* LFN enabled with static working buffer */ static WCHAR LfnBuf[FF_MAX_LFN + 1]; /* LFN working buffer */ #define DEF_NAMBUF #define INIT_NAMBUF(fs) #define FREE_NAMBUF() #define LEAVE_MKFS(res) return res #elif FF_USE_LFN == 2 /* LFN enabled with dynamic working buffer on the stack */ #define DEF_NAMBUF WCHAR lbuf[FF_MAX_LFN+1]; /* LFN working buffer */ #define INIT_NAMBUF(fs) { (fs)->lfnbuf = lbuf; } #define FREE_NAMBUF() #define LEAVE_MKFS(res) return res #elif FF_USE_LFN == 3 /* LFN enabled with dynamic working buffer on the heap */ #define DEF_NAMBUF WCHAR *lfn; /* Pointer to LFN working buffer and directory entry block scratchpad buffer */ #define INIT_NAMBUF(fs) { lfn = ff_memalloc((FF_MAX_LFN+1)*2); if (!lfn) LEAVE_FF(fs, FR_NOT_ENOUGH_CORE); (fs)->lfnbuf = lfn; } #define FREE_NAMBUF() ff_memfree(lfn) #define LEAVE_MKFS(res) { if (!work) ff_memfree(buf); return res; } #define MAX_MALLOC 0x8000 /* Must be >=FF_MAX_SS */ #else #error Wrong setting of FF_USE_LFN #endif /* FF_USE_LFN == 1 */ #endif /* FF_USE_LFN == 0 */ #define NS_NONAME 0x80 /* Not followed */ #define NSFLAG 11 /* Index of the name status byte */ /* Definitions of volume management */ typedef struct { BYTE di; /* Physics disk id */ BYTE pd; /* Physical drive number */ BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ QWORD ps; /* Partition start sector */ QWORD pc; /* Partition sector count */ } PARTITION; extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ #define LD2DI(vol) (VolToPart[vol].di) /* Get physical disk id */ #define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ #if FF_MULTI_PARTITION /* Multiple partition configuration */ #define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ #define LD2PS(vol) (VolToPart[vol].ps) /* Get partition start sector */ #define LD2PC(vol) (VolToPart[vol].pc) /* Get partition sector count */ #else /* Single partition configuration */ #define LD2PT(vol) 0 /* Find first valid partition or in SFD */ #define LD2PS(vol) 0 #define LD2PC(vol) 0 #endif /* Type of path name strings on FatFs API */ #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION typedef struct FAT_VIRTUAL_PARTITION { virpartinfo virtualinfo; BOOL isparamset; } FAT_VIR_PART; #define ISVIRPART(fs) ((fs)->vir_avail == FS_VIRENABLE) #define ISNORMAL(fs) ((fs)->vir_avail != FS_VIRENABLE) #define ISPARENT(fs) ((fs)->vir_flag == FS_PARENT) #define ISCHILD(fs) ((fs)->vir_flag != FS_PARENT) #define VIRINFO_EXTERNAL 0 #define VIRINFO_BUILDIN 1 #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 == 3 /* Unicode in UTF-32 encoding */ typedef DWORD TCHAR; #define _T(x) U ## x #define _TEXT(x) U ## x #elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3) #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 #if (FF_MAX_SS == FF_MIN_SS) #define SS(fs) ((UINT)FF_MAX_SS) /* Fixed sector size */ #else #define SS(fs) ((fs)->ssize) /* Variable sector size */ #endif /* Type of file size variables */ typedef DWORD FSIZE_t; /* DIR offset in fs win */ #define DIR_Name 0 /* Short file name (11-byte) */ #define DIR_Attr 11 /* Attribute (BYTE) */ #define DIR_NTres 12 /* Lower case flag (BYTE) */ #define DIR_CrtTime10 13 /* Created time sub-second (BYTE) */ #define DIR_CrtTime 14 /* Created time (DWORD) */ #define DIR_LstAccDate 18 /* Last accessed date (WORD) */ #define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (WORD) */ #define DIR_ModTime 22 /* Modified time (DWORD) */ #define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (WORD) */ #define DIR_FileSize 28 /* File size (DWORD) */ #define LDIR_Ord 0 /* LFN: LFN order and LLE flag (BYTE) */ #define LDIR_Attr 11 /* LFN: LFN attribute (BYTE) */ #define LDIR_Type 12 /* LFN: Entry type (BYTE) */ #define LDIR_Chksum 13 /* LFN: Checksum of the SFN (BYTE) */ #define LDIR_FstClusLO 26 /* LFN: MBZ field (WORD) */ /* Limits and boundaries */ #define MAX_DIR 0x200000 /* Max size of FAT directory */ #define MAX_FAT12 0xFF5 /* Max FAT12 clusters (differs from specs, but right for real DOS/Windows behavior) */ #define MAX_FAT16 0xFFF5 /* Max FAT16 clusters (differs from specs, but right for real DOS/Windows behavior) */ #define MAX_FAT32 0x0FFFFFF5 /* Max FAT32 clusters (not specified, practical limit) */ /* Timestamp */ #if FF_FS_NORTC == 1 #if FF_NORTC_YEAR < 1980 || FF_NORTC_YEAR > 2107 || FF_NORTC_MON < 1 || FF_NORTC_MON > 12 || FF_NORTC_MDAY < 1 || FF_NORTC_MDAY > 31 #error Invalid FF_FS_NORTC settings #endif #define GET_FATTIME() ((DWORD)(FF_NORTC_YEAR - 1980) << 25 | (DWORD)FF_NORTC_MON << 21 | (DWORD)FF_NORTC_MDAY << 16) #else #define GET_FATTIME() get_fattime() #endif extern UINT time_status; /* Filesystem object structure (FATFS) */ typedef struct { BYTE fs_type; /* Filesystem type (0:not mounted) */ BYTE pdrv; /* Associated physical drive */ 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 size_t ssize; /* Sector size (512, 1024, 2048 or 4096) */ #endif #if FF_USE_LFN WCHAR* lfnbuf; /* LFN working buffer */ #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) */ #endif DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */ DWORD fsize; /* Sectors per FAT */ QWORD volbase; /* Volume base sector */ QWORD fatbase; /* FAT base sector */ QWORD dirbase; /* Root directory base sector/cluster */ QWORD database; /* Data base sector */ QWORD winsect; /* Current sector appearing in the win[] */ BYTE* win; /* Disk access window for Directory, FAT (and file data at tiny cfg) */ #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION DWORD st_clst; DWORD ct_clst; BYTE vir_flag; /* Flag of Virtual Filesystem Object, b0 : 1 for virtual Fatfs object, 0 for reality Fatfs object */ BYTE vir_avail; DWORD vir_amount; VOID* parent_fs; /* Point to the reality Fatfs object, only available in virtual Fatfs object */ CHAR namelabel[_MAX_ENTRYLENGTH + 1]; /* The name label point to the each virtual Fatfs object ,only available in virtual Fatfs obj */ VOID** child_fs; /* Point to the child Fatfs object ,only available in reality Fatfs object */ #endif #ifndef __LITEOS_M__ int fs_uid; int fs_gid; mode_t fs_mode; #endif unsigned short fs_dmask; unsigned short fs_fmask; } 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:fragmented 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_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) */ QWORD sect; /* Sector number appearing in buf[] (0:invalid) */ #if !FF_FS_READONLY QWORD dir_sect; /* Sector number containing the directory entry */ BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */ #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; /* File private data read/write window */ #endif #ifndef __LITEOS_M__ LOS_DL_LIST fp_entry; #endif } FIL; /* Directory object structure (DIR) */ struct __dirstream { FFOBJID obj; /* Object identifier */ DWORD dptr; /* Current read/write offset */ DWORD clust; /* Current cluster */ QWORD 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 #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION BYTE atrootdir; #endif }; /* 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 DWORD sclst; #ifndef __LITEOS_M__ LOS_DL_LIST fp_list; #endif } FILINFO; typedef struct { DIR f_dir; FILINFO fno; } DIR_FILE; #define MAX(a, b, c) (c = (a > b) ? a : b) #define MIN(a, b, c) (c = (a < b) ? a : b) /* 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 */ FR_NO_SPACE_LEFT, /* (20) No space left */ FR_NO_DIRENTRY, /* (21) No directory entry to allocate */ FR_NO_EMPTY_DIR, /* (22) Directory not empty */ FR_IS_DIR, /* (23) Is a directory */ FR_NO_DIR, /* (24) Not a directory */ FR_NO_EPERM, /* (25) Operation not permitted */ #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION FR_MODIFIED, /* (26) Virtual Partition Info has been modified by other fictions */ FR_CHAIN_ERR, /* (27) File cluster chain has been broken by the other enviornmnet */ FR_INVAILD_FATFS, /* (28) FATFS object error */ FR_NOVIRPART, /* (29) The external SD card has not been set a virtual partition configure */ FR_OCCUPIED, /* (30) The virtual partition has been illegally occupied. */ FR_NOTCLEAR, /* (31) The root directory is not clear */ FR_NOTFIT, /* (32) The partition does not fit the virtual partition feature */ #endif } FRESULT; /*--------------------------------------------------------------*/ /* FatFs module application interface */ #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION FATFS* f_getfatfs (int vol); FRESULT f_scanfat (FATFS* fs); FRESULT f_boundary (FATFS *fs, DWORD clust); FRESULT f_disvirfs (FATFS* fs); FRESULT f_unregvirfs (FATFS* fs); FRESULT f_regvirfs (FATFS* fs); FRESULT f_checkvirpart (FATFS* fs, const TCHAR* path, BYTE vol); FRESULT f_makevirpart (FATFS* fs, const TCHAR* path, BYTE vol); FRESULT f_getvirfree (const TCHAR* path, DWORD* nclst, DWORD* cclst); FRESULT f_checkname (const TCHAR* path); #endif 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, FSIZE_t length); /* 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 offset, FSIZE_t fsz, int 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, int sector, 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 */ 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 */ void f_clean (const TCHAR* path); /* clean all opening file and directory */ void f_settimestatus (UINT status); /* system time flag setting */ FRESULT f_fcheckfat (DIR_FILE* dir_info); /* check file cluster list */ FRESULT f_getclustinfo (FIL* fp, DWORD* fclust, DWORD* fcount); /* get the clusters information of the file */ FRESULT f_checkopenlock(int index); FRESULT sync_fs (FATFS* fs); FRESULT sync_window(FATFS *fs); FRESULT move_window (FATFS* fs, QWORD sector); FRESULT fat_count_free_entries(DWORD *nclst, FATFS *fs); void get_fileinfo (DIR* dp, FILINFO* fno); DWORD get_fat (FFOBJID *obj, DWORD clst); FRESULT put_fat(FATFS *fs, DWORD clst, DWORD val); FRESULT find_volume (const TCHAR **path, FATFS **rfs, BYTE mode); QWORD clst2sect (FATFS* fs, DWORD clst ); DWORD ld_clust(FATFS *fs, const BYTE *dir); void st_clust(FATFS *fs, BYTE *dir, DWORD cl); DWORD ld_dword (const BYTE *ptr); WORD ld_word (const BYTE *ptr); void st_dword (BYTE *ptr, DWORD val); void st_word (BYTE *ptr, WORD val); FRESULT create_name (DIR *dp, const TCHAR **path); int lock_fs (FATFS *fs); BYTE check_fs(FATFS *fs, QWORD sect); UINT inc_lock(DIR* dp, int acc); void unlock_fs (FATFS *fs, FRESULT res); FRESULT dir_sdi (DIR *dp, DWORD ofs); FRESULT dir_find(DIR *dp); FRESULT dir_read(DIR *dp, int vol); #ifndef __LITEOS_M__ FRESULT dir_read_massive(DIR *dp, int vol); #endif FRESULT dir_remove(DIR *dp); FRESULT dir_next(DIR *dp, int stretch); DWORD dir_ofs(DIR* dp); FRESULT dir_register(DIR *dp); DWORD create_chain (FFOBJID* obj, DWORD clst); FRESULT remove_chain (FFOBJID* obj, DWORD clst, DWORD pclst); void mem_set (void* dst, int val, UINT cnt); void mem_cpy (void* dst, const void* src, UINT cnt); int fatfs_get_vol (FATFS *fat); #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) #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 void* ff_memalloc (UINT msize); /* Allocate memory block */ void ff_memfree (void* mblock); /* Free memory block */ #ifndef __LITEOS_M__ int ff_strnlen(const void *str, size_t maxlen); #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_ANY 0x07 #define FM_SFD 0x08 /*System Time Flag */ #define SYSTEM_TIME_ENABLE 0x01 #define SYSTEM_TIME_DISABLE 0x00 /* Filesystem type (FATFS.fs_type) */ #define FS_FAT12 1 #define FS_FAT16 2 #define FS_FAT32 3 /* 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 */ #define AM_LNK 0x80 /* Symbol link */ #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION #define FS_PARENT 0x00 #define FS_CHILD 0x01 #define FS_VIRENABLE 0x01 #define FS_VIRDISABLE 0x00 #define PARENTFS(fs) ((FATFS*)((fs)->parent_fs)) #define CHILDFS(fs, i) ((FATFS*)(*((fs)->child_fs + (i)))) #endif #ifdef LOSCFG_FS_FAT_VIRTUAL_PARTITION /* Global Data Area @ 0x00 - 0x31 (32 Bytes) */ #define VR_ITEMSIZE 0x20 #define VR_GLOBAL 0x00 #define VR_PartitionCnt 0x00 /* Virtual Partition Amount */ #define VR_PartitionFSType 0x01 /* Filesystem Type (1 Byte) */ #define VR_PartitionStSec 0x02 /* Partition Start Sector (4 Bytes) */ #define VR_PartitionCtSec 0x06 /* Partition Sectors Count (4 Bytes) */ #define VR_PartitionClstSz 0x0A /* Partition Clust Size (2 Bytes) */ #define VR_PartitionCtClst 0x0C /* Partition Clust Amount (4 Bytes) */ /* Each Virtual Partition Area (32 Bytes) */ /* Start offset at 0x20, Each entry is at 32 Bytes */ #define VR_PARTITION 0x20 #define VR_Available 0x00 /* Vritual Partition Item Flag (1 Bytes) */ #define VR_StartClust 0x01 /* Vritual Partition Start Cluster (4 Bytes) */ #define VR_CountClust 0x05 /* Virtual Partition Cluster Count (4 Bytes) */ #define VR_Entry 0x10 /* Virtual Partition Entry Label (16 Bytes) */ #define VR_VertifyString 0x1FC /* Vertify String (4 Bytes), Must be "LITE" */ #endif #ifdef __cplusplus } #endif #endif /* FF_DEFINED */