FATFileSystem fork with fixes
Fork of FATFileSystem by
Diff: ChaN/ff.h
- Revision:
- 5:b3b3370574cf
- Parent:
- 1:46ce1e16c870
- Child:
- 6:a5fcdbf92056
--- a/ChaN/ff.h Thu Aug 28 13:15:31 2014 +0100 +++ b/ChaN/ff.h Thu Aug 13 10:15:39 2015 +0100 @@ -1,29 +1,30 @@ /*---------------------------------------------------------------------------/ -/ FatFs - FAT file system module include file R0.09a (C)ChaN, 2012 +/ FatFs - FAT file system module include R0.11 (C)ChaN, 2015 /----------------------------------------------------------------------------/ -/ FatFs module is a generic FAT file system module for small embedded systems. -/ This is a free software that opened for education, research and commercial -/ developments under license policy of following terms. +/ FatFs module is a free software that opened under license policy of +/ following conditions. +/ +/ Copyright (C) 2015, ChaN, all right reserved. / -/ Copyright (C) 2012, ChaN, all right reserved. +/ 1. Redistributions of source code must retain the above copyright notice, +/ this condition and the following disclaimer. / -/ * The FatFs module is a free software and there is NO WARRANTY. -/ * No restriction on use. You can use, modify and redistribute it for -/ personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY. -/ * Redistributions of source code must retain the above copyright notice. -/ -/----------------------------------------------------------------------------*/ +/ 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 _FATFS -#define _FATFS 4004 /* Revision ID */ +#define _FATFS 32020 /* Revision ID */ #ifdef __cplusplus extern "C" { #endif -#include "integer.h" /* Basic integer types */ -#include "ffconf.h" /* FatFs configuration options */ - +#include "integer.h" /* Basic integer types */ +#include "ffconf.h" /* FatFs configuration options */ #if _FATFS != _FFCONF #error Wrong configuration file (ffconf.h). #endif @@ -32,18 +33,18 @@ /* Definitions of volume management */ -#if _MULTI_PARTITION /* Multiple partition configuration */ +#if _MULTI_PARTITION /* Multiple partition configuration */ typedef struct { - BYTE pd; /* Physical drive number */ - BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ + BYTE pd; /* Physical drive number */ + BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */ } PARTITION; -extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ -#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ -#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ +extern PARTITION VolToPart[]; /* Volume - Partition resolution table */ +#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */ +#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */ -#else /* Single partition configuration */ -#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */ -#define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */ +#else /* Single partition configuration */ +#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */ +#define LD2PT(vol) 0 /* Find first valid partition or in SFD */ #endif @@ -51,9 +52,9 @@ /* Type of path name strings on FatFs API */ -#if _LFN_UNICODE /* Unicode string */ +#if _LFN_UNICODE /* Unicode string */ #if !_USE_LFN -#error _LFN_UNICODE must be 0 in non-LFN cfg. +#error _LFN_UNICODE must be 0 at non-LFN cfg. #endif #ifndef _INC_TCHAR typedef WCHAR TCHAR; @@ -61,7 +62,7 @@ #define _TEXT(x) L ## x #endif -#else /* ANSI/OEM string */ +#else /* ANSI/OEM string */ #ifndef _INC_TCHAR typedef char TCHAR; #define _T(x) x @@ -75,35 +76,35 @@ /* File system object structure (FATFS) */ typedef struct { - BYTE fs_type; /* FAT sub-type (0:Not mounted) */ - BYTE drv; /* Physical drive number */ - BYTE csize; /* Sectors per cluster (1,2,4...128) */ - BYTE n_fats; /* Number of FAT copies (1,2) */ - BYTE wflag; /* win[] dirty flag (1:must be written back) */ - BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */ - WORD id; /* File system mount ID */ - WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ -#if _MAX_SS != 512 - WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */ + BYTE fs_type; /* FAT sub-type (0:Not mounted) */ + BYTE drv; /* Physical drive number */ + BYTE csize; /* Sectors per cluster (1,2,4...128) */ + BYTE n_fats; /* Number of FAT copies (1 or 2) */ + BYTE wflag; /* win[] flag (b0:dirty) */ + BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */ + WORD id; /* File system mount ID */ + WORD n_rootdir; /* Number of root directory entries (FAT12/16) */ +#if _MAX_SS != _MIN_SS + WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */ #endif #if _FS_REENTRANT - _SYNC_t sobj; /* Identifier of sync object */ + _SYNC_t sobj; /* Identifier of sync object */ #endif #if !_FS_READONLY - DWORD last_clust; /* Last allocated cluster */ - DWORD free_clust; /* Number of free clusters */ - DWORD fsi_sector; /* fsinfo sector (FAT32) */ + DWORD last_clust; /* Last allocated cluster */ + DWORD free_clust; /* Number of free clusters */ #endif #if _FS_RPATH - DWORD cdir; /* Current directory start cluster (0:root) */ + 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 */ - DWORD fatbase; /* FAT start sector */ - DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */ - DWORD database; /* Data start sector */ - DWORD winsect; /* Current sector appearing in the win[] */ - BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */ + DWORD n_fatent; /* Number of FAT entries, = number of clusters + 2 */ + DWORD fsize; /* Sectors per FAT */ + DWORD volbase; /* Volume start sector */ + DWORD fatbase; /* FAT start sector */ + DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */ + DWORD database; /* Data start sector */ + DWORD winsect; /* Current sector appearing in the win[] */ + BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */ } FATFS; @@ -111,62 +112,68 @@ /* File object structure (FIL) */ typedef struct { - FATFS* fs; /* Pointer to the related file system object */ - WORD id; /* File system mount ID of the related file system object */ - BYTE flag; /* File status flags */ - BYTE pad1; - DWORD fptr; /* File read/write pointer (0ed on file open) */ - DWORD fsize; /* File size */ - DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */ - DWORD clust; /* Current cluster of fpter */ - DWORD dsect; /* Current data sector of fpter */ + FATFS* fs; /* Pointer to the related file system object (**do not change order**) */ + WORD id; /* Owner file system mount ID (**do not change order**) */ + BYTE flag; /* Status flags */ + BYTE err; /* Abort flag (error code) */ + DWORD fptr; /* File read/write pointer (Zeroed on file open) */ + DWORD fsize; /* File size */ + DWORD sclust; /* File start cluster (0:no cluster chain, always 0 when fsize is 0) */ + DWORD clust; /* Current cluster of fpter (not valid when fprt is 0) */ + DWORD dsect; /* Sector number appearing in buf[] (0:invalid) */ #if !_FS_READONLY - DWORD dir_sect; /* Sector containing the directory entry */ - BYTE* dir_ptr; /* Pointer to the directory entry in the window */ + DWORD dir_sect; /* Sector number containing the directory entry */ + BYTE* dir_ptr; /* Pointer to the directory entry in the win[] */ #endif #if _USE_FASTSEEK - DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */ + DWORD* cltbl; /* Pointer to the cluster link map table (Nulled on file open) */ #endif #if _FS_LOCK - UINT lockid; /* File lock ID (index of file semaphore table Files[]) */ + UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */ #endif #if !_FS_TINY - BYTE buf[_MAX_SS]; /* File data read/write buffer */ + BYTE buf[_MAX_SS]; /* File private data read/write window */ #endif } FIL; -/* Directory object structure (DIR) */ +/* Directory object structure (FATFS_DIR) */ typedef struct { - FATFS* fs; /* Pointer to the owner file system object */ - WORD id; /* Owner file system mount ID */ - WORD index; /* Current read/write index number */ - DWORD sclust; /* Table start cluster (0:Root dir) */ - DWORD clust; /* Current cluster */ - DWORD sect; /* Current sector */ - BYTE* dir; /* Pointer to the current SFN entry in the win[] */ - BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */ + FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */ + WORD id; /* Owner file system mount ID (**do not change order**) */ + WORD index; /* Current read/write index number */ + DWORD sclust; /* Table start cluster (0:Root FATFS_DIR) */ + DWORD clust; /* Current cluster */ + DWORD sect; /* Current sector */ + BYTE* FATFS_DIR; /* Pointer to the current SFN entry in the win[] */ + BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */ +#if _FS_LOCK + UINT lockid; /* File lock ID (index of file semaphore table Files[]) */ +#endif #if _USE_LFN - WCHAR* lfn; /* Pointer to the LFN working buffer */ - WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */ + WCHAR* lfn; /* Pointer to the LFN working buffer */ + WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */ +#endif +#if _USE_FIND + const TCHAR* pat; /* Pointer to the name matching pattern */ #endif } FATFS_DIR; -/* File status structure (FILINFO) */ +/* File information structure (FILINFO) */ typedef struct { - DWORD fsize; /* File size */ - WORD fdate; /* Last modified date */ - WORD ftime; /* Last modified time */ - BYTE fattrib; /* Attribute */ - TCHAR fname[13]; /* Short file name (8.3 format) */ + DWORD fsize; /* File size */ + WORD fdate; /* Last modified date */ + WORD ftime; /* Last modified time */ + BYTE fattrib; /* Attribute */ + TCHAR fname[13]; /* Short file name (8.3 format) */ #if _USE_LFN - TCHAR* lfname; /* Pointer to the LFN buffer */ - UINT lfsize; /* Size of LFN buffer in TCHAR */ + TCHAR* lfname; /* Pointer to the LFN buffer */ + UINT lfsize; /* Size of LFN buffer in TCHAR */ #endif } FILINFO; @@ -175,26 +182,26 @@ /* 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 parameter error */ - 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 > _FS_SHARE */ - FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ + 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 parameter error */ + 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 > _FS_SHARE */ + FR_INVALID_PARAMETER /* (19) Given parameter is invalid */ } FRESULT; @@ -202,38 +209,45 @@ /*--------------------------------------------------------------*/ /* FatFs module application interface */ -FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */ -FRESULT f_open (FIL*, const TCHAR*, BYTE); /* Open or create a file */ -FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */ -FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */ -FRESULT f_close (FIL*); /* Close an open file object */ -FRESULT f_opendir (FATFS_DIR*, const TCHAR*); /* Open an existing directory */ -FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */ -FRESULT f_stat (const TCHAR*, FILINFO*); /* Get file status */ -FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */ -FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**); /* Get number of free clusters on the drive */ -FRESULT f_truncate (FIL*); /* Truncate file */ -FRESULT f_sync (FIL*); /* Flush cached data of a writing file */ -FRESULT f_unlink (const TCHAR*); /* Delete an existing file or directory */ -FRESULT f_mkdir (const TCHAR*); /* Create a new directory */ -FRESULT f_chmod (const TCHAR*, BYTE, BYTE); /* Change attribute of the file/dir */ -FRESULT f_utime (const TCHAR*, const FILINFO*); /* Change times-tamp of the file/dir */ -FRESULT f_rename (const TCHAR*, const TCHAR*); /* Rename/Move a file or directory */ -FRESULT f_chdrive (BYTE); /* Change current drive */ -FRESULT f_chdir (const TCHAR*); /* Change current directory */ -FRESULT f_getcwd (TCHAR*, UINT); /* Get current directory */ -FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*); /* Forward data to the stream */ -FRESULT f_mkfs (BYTE, BYTE, UINT); /* Create a file system on the drive */ -FRESULT f_fdisk (BYTE, const DWORD[], void*); /* Divide a physical drive into some partitions */ -int f_putc (TCHAR, FIL*); /* Put a character to the file */ -int f_puts (const TCHAR*, FIL*); /* Put a string to the file */ -int f_printf (FIL*, const TCHAR*, ...); /* Put a formatted string to the file */ -TCHAR* f_gets (TCHAR*, int, FIL*); /* Get a string from the file */ +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 a file */ +FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */ +FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */ +FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */ +FRESULT f_truncate (FIL* fp); /* Truncate file */ +FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */ +FRESULT f_opendir (FATFS_DIR* dp, const TCHAR* path); /* Open a directory */ +FRESULT f_closedir (FATFS_DIR* dp); /* Close an open directory */ +FRESULT f_readdir (FATFS_DIR* dp, FILINFO* fno); /* Read a directory item */ +FRESULT f_findfirst (FATFS_DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */ +FRESULT f_findnext (FATFS_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 the file/FATFS_DIR */ +FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/FATFS_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_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */ +FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au); /* Create a file system on the 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 */ -#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0) -#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0) +#define f_eof(fp) ((int)((fp)->fptr == (fp)->fsize)) +#define f_error(fp) ((fp)->err) #define f_tell(fp) ((fp)->fptr) #define f_size(fp) ((fp)->fsize) +#define f_rewind(fp) f_lseek((fp), 0) +#define f_rewinddir(dp) f_readdir((dp), 0) #ifndef EOF #define EOF (-1) @@ -246,26 +260,26 @@ /* Additional user defined functions */ /* RTC function */ -#if !_FS_READONLY +#if !_FS_READONLY && !_FS_NORTC DWORD get_fattime (void); #endif /* Unicode support functions */ -#if _USE_LFN /* Unicode - OEM code conversion */ -WCHAR ff_convert (WCHAR, UINT); /* OEM-Unicode bidirectional conversion */ -WCHAR ff_wtoupper (WCHAR); /* Unicode upper-case conversion */ -#if _USE_LFN == 3 /* Memory functions */ -void* ff_memalloc (UINT); /* Allocate memory block */ -void ff_memfree (void*); /* Free memory block */ +#if _USE_LFN /* Unicode - OEM code conversion */ +WCHAR ff_convert (WCHAR chr, UINT FATFS_DIR); /* OEM-Unicode bidirectional conversion */ +WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */ +#if _USE_LFN == 3 /* Memory functions */ +void* ff_memalloc (UINT msize); /* Allocate memory block */ +void ff_memfree (void* mblock); /* Free memory block */ #endif #endif /* Sync functions */ #if _FS_REENTRANT -int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */ -int ff_req_grant (_SYNC_t); /* Lock sync object */ -void ff_rel_grant (_SYNC_t); /* Unlock sync object */ -int ff_del_syncobj (_SYNC_t); /* Delete a sync object */ +int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */ +int ff_req_grant (_SYNC_t sobj); /* Lock sync object */ +void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */ +int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */ #endif @@ -277,57 +291,56 @@ /* File access control and file status flags (FIL.flag) */ -#define FA_READ 0x01 -#define FA_OPEN_EXISTING 0x00 -#define FA__ERROR 0x80 +#define FA_READ 0x01 +#define FA_OPEN_EXISTING 0x00 #if !_FS_READONLY -#define FA_WRITE 0x02 -#define FA_CREATE_NEW 0x04 -#define FA_CREATE_ALWAYS 0x08 -#define FA_OPEN_ALWAYS 0x10 -#define FA__WRITTEN 0x20 -#define FA__DIRTY 0x40 +#define FA_WRITE 0x02 +#define FA_CREATE_NEW 0x04 +#define FA_CREATE_ALWAYS 0x08 +#define FA_OPEN_ALWAYS 0x10 +#define FA__WRITTEN 0x20 +#define FA__DIRTY 0x40 #endif /* FAT sub type (FATFS.fs_type) */ -#define FS_FAT12 1 -#define FS_FAT16 2 -#define FS_FAT32 3 +#define FS_FAT12 1 +#define FS_FAT16 2 +#define FS_FAT32 3 /* File attribute bits for directory entry */ -#define AM_RDO 0x01 /* Read only */ -#define AM_HID 0x02 /* Hidden */ -#define AM_SYS 0x04 /* System */ -#define AM_VOL 0x08 /* Volume label */ -#define AM_LFN 0x0F /* LFN entry */ -#define AM_DIR 0x10 /* Directory */ -#define AM_ARC 0x20 /* Archive */ -#define AM_MASK 0x3F /* Mask of defined bits */ +#define AM_RDO 0x01 /* Read only */ +#define AM_HID 0x02 /* Hidden */ +#define AM_SYS 0x04 /* System */ +#define AM_VOL 0x08 /* Volume label */ +#define AM_LFN 0x0F /* LFN entry */ +#define AM_DIR 0x10 /* Directory */ +#define AM_ARC 0x20 /* Archive */ +#define AM_MASK 0x3F /* Mask of defined bits */ /* Fast seek feature */ -#define CREATE_LINKMAP 0xFFFFFFFF +#define CREATE_LINKMAP 0xFFFFFFFF /*--------------------------------*/ /* Multi-byte word access macros */ -#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */ -#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr)) -#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr)) -#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val) -#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val) -#else /* Use byte-by-byte access to the FAT structure */ -#define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr)) -#define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr)) -#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8) -#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) +#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */ +#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr)) +#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr)) +#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val) +#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val) +#else /* Use byte-by-byte access to the FAT structure */ +#define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr)) +#define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr)) +#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8) +#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) #endif #ifdef __cplusplus @@ -335,3 +348,4 @@ #endif #endif /* _FATFS */ +