Carlos Alberto Nascimento Filho
Sd card
Dependents: final_proj1 RoboPanorama Andar_Linha_Reta_Robo_Claw_v1
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FatFileSystem
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mbed unsupported
Revision 4:6ce49c16703c, committed 2012-09-16
- Comitter:
- carlos_nascimento08
- Date:
- Sun Sep 16 15:00:15 2012 +0000
- Parent:
- 3:333d6e93e58f
- Commit message:
- Test with board RoboClaw 15A
Changed in this revision
diff -r 333d6e93e58f -r 6ce49c16703c FATFileSystem.h
--- a/FATFileSystem.h Tue Jun 26 08:32:32 2012 +0000
+++ b/FATFileSystem.h Sun Sep 16 15:00:15 2012 +0000
@@ -1,61 +1,61 @@
-/* mbed Microcontroller Library - FATFileSystem
- * Copyright (c) 2008, sford
- */
-
-/* Library: FATFileSystem.h
- * A library of stuff to make a fat filesystem on top of a block device
- */
-
-#ifndef MBED_FATFILESYSTEM_H
-#define MBED_FATFILESYSTEM_H
-
-#ifndef FFSDEBUG_ENABLED
-#define FFSDEBUG_ENABLED 0
-#endif
-
-#if FFSDEBUG_ENABLED
-#define FFSDEBUG(FMT, ...) printf(FMT, ##__VA_ARGS__)
-#else
-#define FFSDEBUG(FMT, ...)
-#endif
-
-#include "FileSystemLike.h"
-#include "FileHandle.h"
-#include "ff.h"
-#include "diskio.h"
-
-namespace mbed {
-/* Class: FATFileSystem
- * The class itself
- */
-class FATFileSystem : public FileSystemLike {
-public:
-
- FATFileSystem(const char* n);
- virtual ~FATFileSystem();
-
- /* Function: open
- * open a file on the filesystem. never called directly
- */
- virtual FileHandle *open(const char* name, int flags);
- virtual int remove(const char *filename);
- virtual int format();
- virtual DirHandle *opendir(const char *name);
- virtual int mkdir(const char *name, mode_t mode);
-
- FATFS _fs; // Work area (file system object) for logical drive
- static FATFileSystem *_ffs[_DRIVES]; // FATFileSystem objects, as parallel to FatFs drives array
- int _fsid;
-
- virtual int disk_initialize() { return 0; }
- virtual int disk_status() { return 0; }
- virtual int disk_read(char *buffer, int sector) = 0;
- virtual int disk_write(const char *buffer, int sector) = 0;
- virtual int disk_sync() { return 0; }
- virtual int disk_sectors() = 0;
-
-};
-
-}
-
-#endif
+/* mbed Microcontroller Library - FATFileSystem
+ * Copyright (c) 2008, sford
+ */
+
+/* Library: FATFileSystem.h
+ * A library of stuff to make a fat filesystem on top of a block device
+ */
+
+#ifndef MBED_FATFILESYSTEM_H
+#define MBED_FATFILESYSTEM_H
+
+#ifndef FFSDEBUG_ENABLED
+#define FFSDEBUG_ENABLED 0
+#endif
+
+#if FFSDEBUG_ENABLED
+#define FFSDEBUG(FMT, ...) printf(FMT, ##__VA_ARGS__)
+#else
+#define FFSDEBUG(FMT, ...)
+#endif
+
+#include "FileSystemLike.h"
+#include "FileHandle.h"
+#include "ff.h"
+#include "diskio.h"
+
+namespace mbed {
+/* Class: FATFileSystem
+ * The class itself
+ */
+class FATFileSystem : public FileSystemLike {
+public:
+
+ FATFileSystem(const char* n);
+ virtual ~FATFileSystem();
+
+ /* Function: open
+ * open a file on the filesystem. never called directly
+ */
+ virtual FileHandle *open(const char* name, int flags);
+ virtual int remove(const char *filename);
+ virtual int format();
+ virtual DirHandle *opendir(const char *name);
+ virtual int mkdir(const char *name, mode_t mode);
+
+ FATFS _fs; // Work area (file system object) for logical drive
+ static FATFileSystem *_ffs[_DRIVES]; // FATFileSystem objects, as parallel to FatFs drives array
+ int _fsid;
+
+ virtual int disk_initialize() { return 0; }
+ virtual int disk_status() { return 0; }
+ virtual int disk_read(char *buffer, int sector) = 0;
+ virtual int disk_write(const char *buffer, int sector) = 0;
+ virtual int disk_sync() { return 0; }
+ virtual int disk_sectors() = 0;
+
+};
+
+}
+
+#endif
diff -r 333d6e93e58f -r 6ce49c16703c diskio.h
--- a/diskio.h Tue Jun 26 08:32:32 2012 +0000
+++ b/diskio.h Sun Sep 16 15:00:15 2012 +0000
@@ -1,76 +1,76 @@
-/*-----------------------------------------------------------------------
-/ Low level disk interface modlue include file R0.06 (C)ChaN, 2007
-/-----------------------------------------------------------------------*/
-
-#ifndef _DISKIO
-
-#define _READONLY 0 /* 1: Read-only mode */
-#define _USE_IOCTL 1
-
-#include "integer.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Status of Disk Functions */
-typedef BYTE DSTATUS;
-
-/* Results of Disk Functions */
-typedef enum {
- RES_OK = 0, /* 0: Successful */
- RES_ERROR, /* 1: R/W Error */
- RES_WRPRT, /* 2: Write Protected */
- RES_NOTRDY, /* 3: Not Ready */
- RES_PARERR /* 4: Invalid Parameter */
-} DRESULT;
-
-
-/*---------------------------------------*/
-/* Prototypes for disk control functions */
-
-DSTATUS disk_initialize (BYTE);
-DSTATUS disk_status (BYTE);
-DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
-#if _READONLY == 0
-DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
-#endif
-DRESULT disk_ioctl (BYTE, BYTE, void*);
-void disk_timerproc (void);
-
-#ifdef __cplusplus
-};
-#endif
-
-
-/* Disk Status Bits (DSTATUS) */
-
-#define STA_NOINIT 0x01 /* Drive not initialized */
-#define STA_NODISK 0x02 /* No medium in the drive */
-#define STA_PROTECT 0x04 /* Write protected */
-
-
-/* Command code for disk_ioctrl() */
-
-/* Generic command */
-#define CTRL_SYNC 0 /* Mandatory for read/write configuration */
-#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
-#define GET_SECTOR_SIZE 2
-#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
-#define CTRL_POWER 4
-#define CTRL_LOCK 5
-#define CTRL_EJECT 6
-/* MMC/SDC command */
-#define MMC_GET_TYPE 10
-#define MMC_GET_CSD 11
-#define MMC_GET_CID 12
-#define MMC_GET_OCR 13
-#define MMC_GET_SDSTAT 14
-/* ATA/CF command */
-#define ATA_GET_REV 20
-#define ATA_GET_MODEL 21
-#define ATA_GET_SN 22
-
-
-#define _DISKIO
-#endif
+/*-----------------------------------------------------------------------
+/ Low level disk interface modlue include file R0.06 (C)ChaN, 2007
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO
+
+#define _READONLY 0 /* 1: Read-only mode */
+#define _USE_IOCTL 1
+
+#include "integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Status of Disk Functions */
+typedef BYTE DSTATUS;
+
+/* Results of Disk Functions */
+typedef enum {
+ RES_OK = 0, /* 0: Successful */
+ RES_ERROR, /* 1: R/W Error */
+ RES_WRPRT, /* 2: Write Protected */
+ RES_NOTRDY, /* 3: Not Ready */
+ RES_PARERR /* 4: Invalid Parameter */
+} DRESULT;
+
+
+/*---------------------------------------*/
+/* Prototypes for disk control functions */
+
+DSTATUS disk_initialize (BYTE);
+DSTATUS disk_status (BYTE);
+DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
+#if _READONLY == 0
+DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
+#endif
+DRESULT disk_ioctl (BYTE, BYTE, void*);
+void disk_timerproc (void);
+
+#ifdef __cplusplus
+};
+#endif
+
+
+/* Disk Status Bits (DSTATUS) */
+
+#define STA_NOINIT 0x01 /* Drive not initialized */
+#define STA_NODISK 0x02 /* No medium in the drive */
+#define STA_PROTECT 0x04 /* Write protected */
+
+
+/* Command code for disk_ioctrl() */
+
+/* Generic command */
+#define CTRL_SYNC 0 /* Mandatory for read/write configuration */
+#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */
+#define GET_SECTOR_SIZE 2
+#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */
+#define CTRL_POWER 4
+#define CTRL_LOCK 5
+#define CTRL_EJECT 6
+/* MMC/SDC command */
+#define MMC_GET_TYPE 10
+#define MMC_GET_CSD 11
+#define MMC_GET_CID 12
+#define MMC_GET_OCR 13
+#define MMC_GET_SDSTAT 14
+/* ATA/CF command */
+#define ATA_GET_REV 20
+#define ATA_GET_MODEL 21
+#define ATA_GET_SN 22
+
+
+#define _DISKIO
+#endif
diff -r 333d6e93e58f -r 6ce49c16703c ff.h
--- a/ff.h Tue Jun 26 08:32:32 2012 +0000
+++ b/ff.h Sun Sep 16 15:00:15 2012 +0000
@@ -1,344 +1,344 @@
-/*--------------------------------------------------------------------------/
-/ FatFs - FAT file system module include file R0.06 (C)ChaN, 2008
-/---------------------------------------------------------------------------/
-/ FatFs module is an experimenal project to implement FAT file system to
-/ cheap microcontrollers. This is a free software and is opened for education,
-/ research and development under license policy of following trems.
-/
-/ Copyright (C) 2008, ChaN, all right reserved.
-/
-/ * The FatFs module is a free software and there is no warranty.
-/ * You can use, modify and/or redistribute it for personal, non-profit or
-/ commercial use without any restriction under your responsibility.
-/ * Redistributions of source code must retain the above copyright notice.
-/
-/---------------------------------------------------------------------------*/
-
-#ifndef _FATFS
-
-#define _MCU_ENDIAN 2
-/* The _MCU_ENDIAN defines which access method is used to the FAT structure.
-/ 1: Enable word access.
-/ 2: Disable word access and use byte-by-byte access instead.
-/ When the architectural byte order of the MCU is big-endian and/or address
-/ miss-aligned access results incorrect behavior, the _MCU_ENDIAN must be set to 2.
-/ If it is not the case, it can also be set to 1 for good code efficiency. */
-
-#define _FS_READONLY 0
-/* Setting _FS_READONLY to 1 defines read only configuration. This removes
-/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
-/ f_truncate and useless f_getfree. */
-
-#define _FS_MINIMIZE 0
-/* The _FS_MINIMIZE option defines minimization level to remove some functions.
-/ 0: Full function.
-/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename are removed.
-/ 2: f_opendir and f_readdir are removed in addition to level 1.
-/ 3: f_lseek is removed in addition to level 2. */
-
-#define _USE_STRFUNC 0
-/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
-
-#define _USE_MKFS 1
-/* When _USE_MKFS is set to 1 and _FS_READONLY is set to 0, f_mkfs function is
-/ enabled. */
-
-#define _DRIVES 4
-/* Number of logical drives to be used. This affects the size of internal table. */
-
-#define _MULTI_PARTITION 0
-/* When _MULTI_PARTITION is set to 0, each logical drive is bound to same
-/ physical drive number and can mount only 1st primaly partition. When it is
-/ set to 1, each logical drive can mount a partition listed in Drives[]. */
-
-#define _USE_FSINFO 0
-/* To enable FSInfo support on FAT32 volume, set _USE_FSINFO to 1. */
-
-#define _USE_SJIS 1
-/* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise
-/ only US-ASCII(7bit) code can be accepted as file/directory name. */
-
-#define _USE_NTFLAG 1
-/* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved.
-/ Note that the files are always accessed in case insensitive. */
-
-
-#include "integer.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Definitions corresponds to multiple sector size (not tested) */
-#define S_MAX_SIZ 512U /* Do not change */
-#if S_MAX_SIZ > 512U
-#define SS(fs) ((fs)->s_size)
-#else
-#define SS(fs) 512U
-#endif
-
-
-/* File system object structure */
-typedef struct _FATFS {
- WORD id; /* File system mount ID */
- WORD n_rootdir; /* Number of root directory entries */
- DWORD winsect; /* Current sector appearing in the win[] */
- DWORD sects_fat; /* Sectors per fat */
- DWORD max_clust; /* Maximum cluster# + 1 */
- DWORD fatbase; /* FAT start sector */
- DWORD dirbase; /* Root directory start sector (cluster# for FAT32) */
- DWORD database; /* Data start sector */
-#if !_FS_READONLY
- DWORD last_clust; /* Last allocated cluster */
- DWORD free_clust; /* Number of free clusters */
-#if _USE_FSINFO
- DWORD fsi_sector; /* fsinfo sector */
- BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
- BYTE pad2;
-#endif
-#endif
- BYTE fs_type; /* FAT sub type */
- BYTE csize; /* Number of sectors per cluster */
-#if S_MAX_SIZ > 512U
- WORD s_size; /* Sector size */
-#endif
- BYTE n_fats; /* Number of FAT copies */
- BYTE drive; /* Physical drive number */
- BYTE winflag; /* win[] dirty flag (1:must be written back) */
- BYTE pad1;
- BYTE win[S_MAX_SIZ]; /* Disk access window for Directory/FAT */
-} FATFS;
-
-
-/* Directory object structure */
-typedef struct _DIR {
- WORD id; /* Owner file system mount ID */
- WORD index; /* Current index */
- FATFS* fs; /* Pointer to the owner file system object */
- DWORD sclust; /* Start cluster */
- DWORD clust; /* Current cluster */
- DWORD sect; /* Current sector */
-} FATFS_DIR;
-
-
-/* File object structure */
-typedef struct _FIL {
- WORD id; /* Owner file system mount ID */
- BYTE flag; /* File status flags */
- BYTE csect; /* Sector address in the cluster */
- FATFS* fs; /* Pointer to the owner file system object */
- DWORD fptr; /* File R/W pointer */
- DWORD fsize; /* File size */
- DWORD org_clust; /* File start cluster */
- DWORD curr_clust; /* Current cluster */
- DWORD curr_sect; /* Current sector */
-#if _FS_READONLY == 0
- DWORD dir_sect; /* Sector containing the directory entry */
- BYTE* dir_ptr; /* Ponter to the directory entry in the window */
-#endif
- BYTE buffer[S_MAX_SIZ]; /* File R/W buffer */
-} FIL;
-
-
-/* File status structure */
-typedef struct _FILINFO {
- DWORD fsize; /* Size */
- WORD fdate; /* Date */
- WORD ftime; /* Time */
- BYTE fattrib; /* Attribute */
- char fname[8+1+3+1]; /* Name (8.3 format) */
-} FILINFO;
-
-
-
-/* Definitions corresponds to multi partition */
-
-#if _MULTI_PARTITION != 0 /* Multiple partition cfg */
-
-typedef struct _PARTITION {
- BYTE pd; /* Physical drive # (0-255) */
- BYTE pt; /* Partition # (0-3) */
-} PARTITION;
-extern
-const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
-#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
-#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
-
-#else /* Single partition cfg */
-
-#define LD2PD(drv) (drv) /* Physical drive# is equal to logical drive# */
-#define LD2PT(drv) 0 /* Always mounts the 1st partition */
-
-#endif
-
-
-/* File function return code (FRESULT) */
-
-typedef enum {
- FR_OK = 0, /* 0 */
- FR_NOT_READY, /* 1 */
- FR_NO_FILE, /* 2 */
- FR_NO_PATH, /* 3 */
- FR_INVALID_NAME, /* 4 */
- FR_INVALID_DRIVE, /* 5 */
- FR_DENIED, /* 6 */
- FR_EXIST, /* 7 */
- FR_RW_ERROR, /* 8 */
- FR_WRITE_PROTECTED, /* 9 */
- FR_NOT_ENABLED, /* 10 */
- FR_NO_FILESYSTEM, /* 11 */
- FR_INVALID_OBJECT, /* 12 */
- FR_MKFS_ABORTED /* 13 */
-} FRESULT;
-
-
-
-/*-----------------------------------------------------*/
-/* FatFs module application interface */
-
-FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
-FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
-FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
-FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to 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 char*); /* Open an existing directory */
-FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
-FRESULT f_stat (const char*, FILINFO*); /* Get file status */
-FRESULT f_getfree (const char*, 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 char*); /* Delete an existing file or directory */
-FRESULT f_mkdir (const char*); /* Create a new directory */
-FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */
-FRESULT f_utime (const char*, const FILINFO*); /* Change file/dir timestamp */
-FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
-FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
-#if _USE_STRFUNC
-#define feof(fp) ((fp)->fptr == (fp)->fsize)
-#define EOF -1
-int fputc (int, FIL*); /* Put a character to the file */
-int fputs (const char*, FIL*); /* Put a string to the file */
-int fprintf (FIL*, const char*, ...); /* Put a formatted string to the file */
-char* fgets (char*, int, FIL*); /* Get a string from the file */
-#endif
-
-/* User defined function to give a current time to fatfs module */
-
-DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
- /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
-
-
-
-/* File access control and file status flags (FIL.flag) */
-
-#define FA_READ 0x01
-#define FA_OPEN_EXISTING 0x00
-#if _FS_READONLY == 0
-#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
-#define FA__ERROR 0x80
-
-
-/* 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 */
-
-
-
-/* Offset of FAT structure members */
-
-#define BS_jmpBoot 0
-#define BS_OEMName 3
-#define BPB_BytsPerSec 11
-#define BPB_SecPerClus 13
-#define BPB_RsvdSecCnt 14
-#define BPB_NumFATs 16
-#define BPB_RootEntCnt 17
-#define BPB_TotSec16 19
-#define BPB_Media 21
-#define BPB_FATSz16 22
-#define BPB_SecPerTrk 24
-#define BPB_NumHeads 26
-#define BPB_HiddSec 28
-#define BPB_TotSec32 32
-#define BS_55AA 510
-
-#define BS_DrvNum 36
-#define BS_BootSig 38
-#define BS_VolID 39
-#define BS_VolLab 43
-#define BS_FilSysType 54
-
-#define BPB_FATSz32 36
-#define BPB_ExtFlags 40
-#define BPB_FSVer 42
-#define BPB_RootClus 44
-#define BPB_FSInfo 48
-#define BPB_BkBootSec 50
-#define BS_DrvNum32 64
-#define BS_BootSig32 66
-#define BS_VolID32 67
-#define BS_VolLab32 71
-#define BS_FilSysType32 82
-
-#define FSI_LeadSig 0
-#define FSI_StrucSig 484
-#define FSI_Free_Count 488
-#define FSI_Nxt_Free 492
-
-#define MBR_Table 446
-
-#define DIR_Name 0
-#define DIR_Attr 11
-#define DIR_NTres 12
-#define DIR_CrtTime 14
-#define DIR_CrtDate 16
-#define DIR_FstClusHI 20
-#define DIR_WrtTime 22
-#define DIR_WrtDate 24
-#define DIR_FstClusLO 26
-#define DIR_FileSize 28
-
-
-
-/* Multi-byte word access macros */
-
-#if _MCU_ENDIAN == 1 /* Use word access */
-#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)
-#elif _MCU_ENDIAN == 2 /* Use byte-by-byte access */
-#define LD_WORD(ptr) (WORD)(((WORD)*(volatile BYTE*)((ptr)+1)<<8)|(WORD)*(volatile BYTE*)(ptr))
-#define LD_DWORD(ptr) (DWORD)(((DWORD)*(volatile BYTE*)((ptr)+3)<<24)|((DWORD)*(volatile BYTE*)((ptr)+2)<<16)|((WORD)*(volatile BYTE*)((ptr)+1)<<8)|*(volatile BYTE*)(ptr))
-#define ST_WORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
-#define ST_DWORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(volatile BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(volatile BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
-#else
-#error Do not forget to set _MCU_ENDIAN properly!
-#endif
-
-#ifdef __cplusplus
-};
-#endif
-
-#define _FATFS
-#endif /* _FATFS */
+/*--------------------------------------------------------------------------/
+/ FatFs - FAT file system module include file R0.06 (C)ChaN, 2008
+/---------------------------------------------------------------------------/
+/ FatFs module is an experimenal project to implement FAT file system to
+/ cheap microcontrollers. This is a free software and is opened for education,
+/ research and development under license policy of following trems.
+/
+/ Copyright (C) 2008, ChaN, all right reserved.
+/
+/ * The FatFs module is a free software and there is no warranty.
+/ * You can use, modify and/or redistribute it for personal, non-profit or
+/ commercial use without any restriction under your responsibility.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/---------------------------------------------------------------------------*/
+
+#ifndef _FATFS
+
+#define _MCU_ENDIAN 2
+/* The _MCU_ENDIAN defines which access method is used to the FAT structure.
+/ 1: Enable word access.
+/ 2: Disable word access and use byte-by-byte access instead.
+/ When the architectural byte order of the MCU is big-endian and/or address
+/ miss-aligned access results incorrect behavior, the _MCU_ENDIAN must be set to 2.
+/ If it is not the case, it can also be set to 1 for good code efficiency. */
+
+#define _FS_READONLY 0
+/* Setting _FS_READONLY to 1 defines read only configuration. This removes
+/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
+/ f_truncate and useless f_getfree. */
+
+#define _FS_MINIMIZE 0
+/* The _FS_MINIMIZE option defines minimization level to remove some functions.
+/ 0: Full function.
+/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename are removed.
+/ 2: f_opendir and f_readdir are removed in addition to level 1.
+/ 3: f_lseek is removed in addition to level 2. */
+
+#define _USE_STRFUNC 0
+/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
+
+#define _USE_MKFS 1
+/* When _USE_MKFS is set to 1 and _FS_READONLY is set to 0, f_mkfs function is
+/ enabled. */
+
+#define _DRIVES 4
+/* Number of logical drives to be used. This affects the size of internal table. */
+
+#define _MULTI_PARTITION 0
+/* When _MULTI_PARTITION is set to 0, each logical drive is bound to same
+/ physical drive number and can mount only 1st primaly partition. When it is
+/ set to 1, each logical drive can mount a partition listed in Drives[]. */
+
+#define _USE_FSINFO 0
+/* To enable FSInfo support on FAT32 volume, set _USE_FSINFO to 1. */
+
+#define _USE_SJIS 1
+/* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise
+/ only US-ASCII(7bit) code can be accepted as file/directory name. */
+
+#define _USE_NTFLAG 1
+/* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved.
+/ Note that the files are always accessed in case insensitive. */
+
+
+#include "integer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Definitions corresponds to multiple sector size (not tested) */
+#define S_MAX_SIZ 512U /* Do not change */
+#if S_MAX_SIZ > 512U
+#define SS(fs) ((fs)->s_size)
+#else
+#define SS(fs) 512U
+#endif
+
+
+/* File system object structure */
+typedef struct _FATFS {
+ WORD id; /* File system mount ID */
+ WORD n_rootdir; /* Number of root directory entries */
+ DWORD winsect; /* Current sector appearing in the win[] */
+ DWORD sects_fat; /* Sectors per fat */
+ DWORD max_clust; /* Maximum cluster# + 1 */
+ DWORD fatbase; /* FAT start sector */
+ DWORD dirbase; /* Root directory start sector (cluster# for FAT32) */
+ DWORD database; /* Data start sector */
+#if !_FS_READONLY
+ DWORD last_clust; /* Last allocated cluster */
+ DWORD free_clust; /* Number of free clusters */
+#if _USE_FSINFO
+ DWORD fsi_sector; /* fsinfo sector */
+ BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
+ BYTE pad2;
+#endif
+#endif
+ BYTE fs_type; /* FAT sub type */
+ BYTE csize; /* Number of sectors per cluster */
+#if S_MAX_SIZ > 512U
+ WORD s_size; /* Sector size */
+#endif
+ BYTE n_fats; /* Number of FAT copies */
+ BYTE drive; /* Physical drive number */
+ BYTE winflag; /* win[] dirty flag (1:must be written back) */
+ BYTE pad1;
+ BYTE win[S_MAX_SIZ]; /* Disk access window for Directory/FAT */
+} FATFS;
+
+
+/* Directory object structure */
+typedef struct _DIR {
+ WORD id; /* Owner file system mount ID */
+ WORD index; /* Current index */
+ FATFS* fs; /* Pointer to the owner file system object */
+ DWORD sclust; /* Start cluster */
+ DWORD clust; /* Current cluster */
+ DWORD sect; /* Current sector */
+} FATFS_DIR;
+
+
+/* File object structure */
+typedef struct _FIL {
+ WORD id; /* Owner file system mount ID */
+ BYTE flag; /* File status flags */
+ BYTE csect; /* Sector address in the cluster */
+ FATFS* fs; /* Pointer to the owner file system object */
+ DWORD fptr; /* File R/W pointer */
+ DWORD fsize; /* File size */
+ DWORD org_clust; /* File start cluster */
+ DWORD curr_clust; /* Current cluster */
+ DWORD curr_sect; /* Current sector */
+#if _FS_READONLY == 0
+ DWORD dir_sect; /* Sector containing the directory entry */
+ BYTE* dir_ptr; /* Ponter to the directory entry in the window */
+#endif
+ BYTE buffer[S_MAX_SIZ]; /* File R/W buffer */
+} FIL;
+
+
+/* File status structure */
+typedef struct _FILINFO {
+ DWORD fsize; /* Size */
+ WORD fdate; /* Date */
+ WORD ftime; /* Time */
+ BYTE fattrib; /* Attribute */
+ char fname[8+1+3+1]; /* Name (8.3 format) */
+} FILINFO;
+
+
+
+/* Definitions corresponds to multi partition */
+
+#if _MULTI_PARTITION != 0 /* Multiple partition cfg */
+
+typedef struct _PARTITION {
+ BYTE pd; /* Physical drive # (0-255) */
+ BYTE pt; /* Partition # (0-3) */
+} PARTITION;
+extern
+const PARTITION Drives[]; /* Logical drive# to physical location conversion table */
+#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */
+#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */
+
+#else /* Single partition cfg */
+
+#define LD2PD(drv) (drv) /* Physical drive# is equal to logical drive# */
+#define LD2PT(drv) 0 /* Always mounts the 1st partition */
+
+#endif
+
+
+/* File function return code (FRESULT) */
+
+typedef enum {
+ FR_OK = 0, /* 0 */
+ FR_NOT_READY, /* 1 */
+ FR_NO_FILE, /* 2 */
+ FR_NO_PATH, /* 3 */
+ FR_INVALID_NAME, /* 4 */
+ FR_INVALID_DRIVE, /* 5 */
+ FR_DENIED, /* 6 */
+ FR_EXIST, /* 7 */
+ FR_RW_ERROR, /* 8 */
+ FR_WRITE_PROTECTED, /* 9 */
+ FR_NOT_ENABLED, /* 10 */
+ FR_NO_FILESYSTEM, /* 11 */
+ FR_INVALID_OBJECT, /* 12 */
+ FR_MKFS_ABORTED /* 13 */
+} FRESULT;
+
+
+
+/*-----------------------------------------------------*/
+/* FatFs module application interface */
+
+FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
+FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
+FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */
+FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to 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 char*); /* Open an existing directory */
+FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */
+FRESULT f_stat (const char*, FILINFO*); /* Get file status */
+FRESULT f_getfree (const char*, 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 char*); /* Delete an existing file or directory */
+FRESULT f_mkdir (const char*); /* Create a new directory */
+FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */
+FRESULT f_utime (const char*, const FILINFO*); /* Change file/dir timestamp */
+FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
+FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */
+#if _USE_STRFUNC
+#define feof(fp) ((fp)->fptr == (fp)->fsize)
+#define EOF -1
+int fputc (int, FIL*); /* Put a character to the file */
+int fputs (const char*, FIL*); /* Put a string to the file */
+int fprintf (FIL*, const char*, ...); /* Put a formatted string to the file */
+char* fgets (char*, int, FIL*); /* Get a string from the file */
+#endif
+
+/* User defined function to give a current time to fatfs module */
+
+DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */
+ /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
+
+
+
+/* File access control and file status flags (FIL.flag) */
+
+#define FA_READ 0x01
+#define FA_OPEN_EXISTING 0x00
+#if _FS_READONLY == 0
+#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
+#define FA__ERROR 0x80
+
+
+/* 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 */
+
+
+
+/* Offset of FAT structure members */
+
+#define BS_jmpBoot 0
+#define BS_OEMName 3
+#define BPB_BytsPerSec 11
+#define BPB_SecPerClus 13
+#define BPB_RsvdSecCnt 14
+#define BPB_NumFATs 16
+#define BPB_RootEntCnt 17
+#define BPB_TotSec16 19
+#define BPB_Media 21
+#define BPB_FATSz16 22
+#define BPB_SecPerTrk 24
+#define BPB_NumHeads 26
+#define BPB_HiddSec 28
+#define BPB_TotSec32 32
+#define BS_55AA 510
+
+#define BS_DrvNum 36
+#define BS_BootSig 38
+#define BS_VolID 39
+#define BS_VolLab 43
+#define BS_FilSysType 54
+
+#define BPB_FATSz32 36
+#define BPB_ExtFlags 40
+#define BPB_FSVer 42
+#define BPB_RootClus 44
+#define BPB_FSInfo 48
+#define BPB_BkBootSec 50
+#define BS_DrvNum32 64
+#define BS_BootSig32 66
+#define BS_VolID32 67
+#define BS_VolLab32 71
+#define BS_FilSysType32 82
+
+#define FSI_LeadSig 0
+#define FSI_StrucSig 484
+#define FSI_Free_Count 488
+#define FSI_Nxt_Free 492
+
+#define MBR_Table 446
+
+#define DIR_Name 0
+#define DIR_Attr 11
+#define DIR_NTres 12
+#define DIR_CrtTime 14
+#define DIR_CrtDate 16
+#define DIR_FstClusHI 20
+#define DIR_WrtTime 22
+#define DIR_WrtDate 24
+#define DIR_FstClusLO 26
+#define DIR_FileSize 28
+
+
+
+/* Multi-byte word access macros */
+
+#if _MCU_ENDIAN == 1 /* Use word access */
+#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)
+#elif _MCU_ENDIAN == 2 /* Use byte-by-byte access */
+#define LD_WORD(ptr) (WORD)(((WORD)*(volatile BYTE*)((ptr)+1)<<8)|(WORD)*(volatile BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(((DWORD)*(volatile BYTE*)((ptr)+3)<<24)|((DWORD)*(volatile BYTE*)((ptr)+2)<<16)|((WORD)*(volatile BYTE*)((ptr)+1)<<8)|*(volatile BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
+#define ST_DWORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(volatile BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(volatile BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
+#else
+#error Do not forget to set _MCU_ENDIAN properly!
+#endif
+
+#ifdef __cplusplus
+};
+#endif
+
+#define _FATFS
+#endif /* _FATFS */
diff -r 333d6e93e58f -r 6ce49c16703c integer.h
--- a/integer.h Tue Jun 26 08:32:32 2012 +0000
+++ b/integer.h Sun Sep 16 15:00:15 2012 +0000
@@ -1,30 +1,30 @@
-/*-------------------------------------------*/
-/* Integer type definitions for FatFs module */
-/*-------------------------------------------*/
-
-#ifndef _INTEGER
-
-/* These types must be 16-bit, 32-bit or larger integer */
-typedef int INT;
-typedef unsigned int UINT;
-
-/* These types must be 8-bit integer */
-typedef signed char CHAR;
-typedef unsigned char UCHAR;
-typedef unsigned char BYTE;
-
-/* These types must be 16-bit integer */
-typedef short SHORT;
-typedef unsigned short USHORT;
-typedef unsigned short WORD;
-
-/* These types must be 32-bit integer */
-typedef long LONG;
-typedef unsigned long ULONG;
-typedef unsigned long DWORD;
-
-/* Boolean type */
-typedef enum { FALSE = 0, TRUE } BOOL;
-
-#define _INTEGER
-#endif
+/*-------------------------------------------*/
+/* Integer type definitions for FatFs module */
+/*-------------------------------------------*/
+
+#ifndef _INTEGER
+
+/* These types must be 16-bit, 32-bit or larger integer */
+typedef int INT;
+typedef unsigned int UINT;
+
+/* These types must be 8-bit integer */
+typedef signed char CHAR;
+typedef unsigned char UCHAR;
+typedef unsigned char BYTE;
+
+/* These types must be 16-bit integer */
+typedef short SHORT;
+typedef unsigned short USHORT;
+typedef unsigned short WORD;
+
+/* These types must be 32-bit integer */
+typedef long LONG;
+typedef unsigned long ULONG;
+typedef unsigned long DWORD;
+
+/* Boolean type */
+typedef enum { FALSE = 0, TRUE } BOOL;
+
+#define _INTEGER
+#endif