A re-written SDFileSystem library with improved compatibility, CRC support, and card removal/replacement support.

Dependencies:   FATFileSystem

Dependents:   xadow_m0_SD_Hello roam_v1 roam_v2 Polytech_tours ... more

Revision:
14:02835aff8504
Parent:
13:635147efa748
Child:
15:c9e938f6934f
--- a/FATFileSystem/ChaN/ff.h	Mon Aug 18 15:09:52 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,337 +0,0 @@
-/*---------------------------------------------------------------------------/
-/  FatFs - FAT file system module include file  R0.09a    (C)ChaN, 2012
-/----------------------------------------------------------------------------/
-/ 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.
-/
-/  Copyright (C) 2012, ChaN, all right reserved.
-/
-/ * 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.
-/
-/----------------------------------------------------------------------------*/
-
-#ifndef _FATFS
-#define _FATFS  4004    /* Revision ID */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "integer.h"    /* Basic integer types */
-#include "ffconf.h"     /* FatFs configuration options */
-
-#if _FATFS != _FFCONF
-#error Wrong configuration file (ffconf.h).
-#endif
-
-
-
-/* Definitions of volume management */
-
-#if _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 */
-#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 */
-
-#endif
-
-
-
-/* Type of path name strings on FatFs API */
-
-#if _LFN_UNICODE            /* Unicode string */
-#if !_USE_LFN
-#error _LFN_UNICODE must be 0 in non-LFN cfg.
-#endif
-#ifndef _INC_TCHAR
-typedef WCHAR TCHAR;
-#define _T(x) L ## x
-#define _TEXT(x) L ## x
-#endif
-
-#else                       /* ANSI/OEM string */
-#ifndef _INC_TCHAR
-typedef char TCHAR;
-#define _T(x) x
-#define _TEXT(x) x
-#endif
-
-#endif
-
-
-
-/* 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) */
-#endif
-#if _FS_REENTRANT
-    _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) */
-#endif
-#if _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 */
-    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) */
-} FATFS;
-
-
-
-/* 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 */
-#if !_FS_READONLY
-    DWORD   dir_sect;       /* Sector containing the directory entry */
-    BYTE*   dir_ptr;        /* Pointer to the directory entry in the window */
-#endif
-#if _USE_FASTSEEK
-    DWORD*  cltbl;          /* Pointer to the cluster link map table (null on file open) */
-#endif
-#if _FS_LOCK
-    UINT    lockid;         /* File lock ID (index of file semaphore table Files[]) */
-#endif
-#if !_FS_TINY
-    BYTE    buf[_MAX_SS];   /* File data read/write buffer */
-#endif
-} FIL;
-
-
-
-/* Directory object structure (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]} */
-#if _USE_LFN
-    WCHAR*  lfn;            /* Pointer to the LFN working buffer */
-    WORD    lfn_idx;        /* Last matched LFN index number (0xFFFF:No LFN) */
-#endif
-} FATFS_DIR;
-
-
-
-/* File status 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) */
-#if _USE_LFN
-    TCHAR*  lfname;         /* Pointer to the LFN buffer */
-    UINT    lfsize;         /* Size of LFN buffer in TCHAR */
-#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 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;
-
-
-
-/*--------------------------------------------------------------*/
-/* 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 */
-
-#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
-#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
-#define f_tell(fp) ((fp)->fptr)
-#define f_size(fp) ((fp)->fsize)
-
-#ifndef EOF
-#define EOF (-1)
-#endif
-
-
-
-
-/*--------------------------------------------------------------*/
-/* Additional user defined functions                            */
-
-/* RTC function */
-#if !_FS_READONLY
-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 */
-#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 */
-#endif
-
-
-
-
-/*--------------------------------------------------------------*/
-/* Flags and offset address                                     */
-
-
-/* File access control and file status flags (FIL.flag) */
-
-#define FA_READ             0x01
-#define FA_OPEN_EXISTING    0x00
-#define FA__ERROR           0x80
-
-#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
-#endif
-
-
-/* FAT sub type (FATFS.fs_type) */
-
-#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 */
-
-
-/* Fast seek feature */
-#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)
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _FATFS */