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Dependents: final_proj1 RoboPanorama Andar_Linha_Reta_Robo_Claw_v1
Fork of FatFileSystem by
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
--- 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
--- 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
--- 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 */
--- 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