Updated FAT File System driver. Features include: * Updated to R0.09 - Sep 06, 2011 [[http://elm-chan.org/fsw/ff/00index_e.html]] * Bug fixes from Stéphane Bausseron ** [[http://mbed.org/forum/mbed/topic/2273/?page=1#comment-11521]] ** [[http://mbed.org/forum/mbed/topic/2307]] * Long filename support enabled and exposed through mbed SDK.

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Files at this revision

API Documentation at this revision

Comitter:
AdamGreen
Date:
Sun Dec 25 01:45:20 2011 +0000
Commit message:

Changed in this revision

FATDirHandle.cpp Show annotated file Show diff for this revision Revisions of this file
FATDirHandle.h Show annotated file Show diff for this revision Revisions of this file
FATFileHandle.cpp Show annotated file Show diff for this revision Revisions of this file
FATFileHandle.h Show annotated file Show diff for this revision Revisions of this file
FATFileSystem.cpp Show annotated file Show diff for this revision Revisions of this file
FATFileSystem.h Show annotated file Show diff for this revision Revisions of this file
MemFileSystem.h Show annotated file Show diff for this revision Revisions of this file
diskio.c Show annotated file Show diff for this revision Revisions of this file
diskio.h Show annotated file Show diff for this revision Revisions of this file
ff.c Show annotated file Show diff for this revision Revisions of this file
ff.h Show annotated file Show diff for this revision Revisions of this file
ffconf.h Show annotated file Show diff for this revision Revisions of this file
integer.h Show annotated file Show diff for this revision Revisions of this file
option/ccsbcs.c Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 6ceefe1c53e4 FATDirHandle.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATDirHandle.cpp	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library - FATDirHandle
+ * Copyright (c) 2008, sford
+ */
+ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ff.h"
+#include "FATDirHandle.h"
+#include "FATFileSystem.h"
+
+namespace mbed {
+
+FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
+    dir = the_dir;
+}
+
+int FATDirHandle::closedir() {
+    delete this;
+    return 0;
+}
+
+struct dirent *FATDirHandle::readdir() {
+    FILINFO finfo;
+
+#if _USE_LFN
+    finfo.lfname = cur_entry.d_name;
+    finfo.lfsize = sizeof(cur_entry.d_name);
+#endif // _USE_LFN
+
+    FRESULT res = f_readdir(&dir, &finfo);
+
+#if _USE_LFN
+    if(res != 0 || finfo.fname[0]==0) {
+        return NULL;
+    } else {
+        if(cur_entry.d_name[0]==0) {
+            // No long filename so use short filename.
+            memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
+        }
+        return &cur_entry;
+    }
+#else
+    if(res != 0 || finfo.fname[0]==0) {
+        return NULL;
+    } else {
+        memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
+        return &cur_entry;
+    }
+#endif /* _USE_LFN */
+}
+
+void FATDirHandle::rewinddir() {
+    dir.index = 0;
+}
+
+off_t FATDirHandle::telldir() {
+    return dir.index;
+}
+
+void FATDirHandle::seekdir(off_t location) {
+    dir.index = location;
+}
+
+}
+
diff -r 000000000000 -r 6ceefe1c53e4 FATDirHandle.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATDirHandle.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,31 @@
+/* mbed Microcontroller Library - FATDirHandle
+ * Copyright (c) 2008, sford
+ */
+
+#ifndef MBED_FATDIRHANDLE_H
+#define MBED_FATDIRHANDLE_H
+
+#include "DirHandle.h"
+#include "ff.h"
+
+namespace mbed {
+
+class FATDirHandle : public DirHandle {
+
+ public:
+    FATDirHandle(const FATFS_DIR &the_dir);
+    virtual int closedir();
+    virtual struct dirent *readdir();
+    virtual void rewinddir();
+    virtual off_t telldir();
+    virtual void seekdir(off_t location);
+
+ private:
+    FATFS_DIR dir;
+    struct dirent cur_entry;
+
+};
+
+}
+
+#endif
diff -r 000000000000 -r 6ceefe1c53e4 FATFileHandle.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileHandle.cpp	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,102 @@
+/* mbed Microcontroller Library - FATFileHandle
+ * Copyright (c) 2008, sford
+ */
+
+#include "FATFileHandle.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "ff.h"
+#include "FATFileSystem.h"
+
+namespace mbed {
+
+#if FFSDEBUG_ENABLED
+static const char *FR_ERRORS[] = {
+    "FR_OK = 0", 
+    "FR_NOT_READY",          
+    "FR_NO_FILE",              
+    "FR_NO_PATH",             
+    "FR_INVALID_NAME",     
+    "FR_INVALID_DRIVE",      
+    "FR_DENIED",              
+    "FR_EXIST",              
+    "FR_RW_ERROR",          
+    "FR_WRITE_PROTECTED", 
+    "FR_NOT_ENABLED",    
+    "FR_NO_FILESYSTEM",    
+    "FR_INVALID_OBJECT",    
+    "FR_MKFS_ABORTED"    
+};
+#endif
+
+FATFileHandle::FATFileHandle(FIL fh) { 
+    _fh = fh;
+}
+    
+int FATFileHandle::close() {
+    FFSDEBUG("close\n");
+    int retval = f_close(&_fh);
+    delete this;
+    return retval;
+}
+
+ssize_t FATFileHandle::write(const void* buffer, size_t length) {
+    FFSDEBUG("write(%d)\n", length);
+    UINT n;
+    FRESULT res = f_write(&_fh, buffer, length, &n);
+    if(res) { 
+        FFSDEBUG("f_write() failed (%d, %s)", res, FR_ERRORS[res]);
+        return -1;
+    }
+    return n;
+}
+        
+ssize_t FATFileHandle::read(void* buffer, size_t length) {
+    FFSDEBUG("read(%d)\n", length);
+    UINT n;
+    FRESULT res = f_read(&_fh, buffer, length, &n);
+    if(res) {
+        FFSDEBUG("f_read() failed (%d, %s)\n", res, FR_ERRORS[res]);
+        return -1;
+    }
+    return n;
+}
+        
+int FATFileHandle::isatty() {
+    return 0;
+}
+        
+off_t FATFileHandle::lseek(off_t position, int whence) {
+    FFSDEBUG("lseek(%i,%i)\n",position,whence);
+    if(whence == SEEK_END) {
+        position += _fh.fsize;
+    } else if(whence==SEEK_CUR) {
+        position += _fh.fptr;
+    }
+    FRESULT res = f_lseek(&_fh, position);
+    if(res) {
+        FFSDEBUG("lseek failed (%d, %s)\n", res, FR_ERRORS[res]);
+        return -1;
+    } else {
+        FFSDEBUG("lseek OK, returning %i\n", _fh.fptr);
+        return _fh.fptr;
+    }
+}
+        
+int FATFileHandle::fsync() {
+    FFSDEBUG("fsync()\n");
+    FRESULT res = f_sync(&_fh);
+    if (res) {
+        FFSDEBUG("f_sync() failed (%d, %s)\n", res, FR_ERRORS[res]);
+        return -1;
+    }
+    return 0;
+}
+
+off_t FATFileHandle::flen() {
+    FFSDEBUG("flen\n");
+    return _fh.fsize;
+}
+
+} // namespace mbed
diff -r 000000000000 -r 6ceefe1c53e4 FATFileHandle.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileHandle.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,33 @@
+/* mbed Microcontroller Library - FATFileHandle
+ * Copyright (c) 2008, sford
+ */
+
+#ifndef MBED_FATFILEHANDLE_H
+#define MBED_FATFILEHANDLE_H
+
+#include "FileHandle.h"
+#include "ff.h"
+
+namespace mbed {
+
+class FATFileHandle : public FileHandle {
+public:
+
+    FATFileHandle(FIL fh);
+    virtual int close();
+    virtual ssize_t write(const void* buffer, size_t length);
+    virtual ssize_t read(void* buffer, size_t length);
+    virtual int isatty();
+    virtual off_t lseek(off_t position, int whence);
+    virtual int fsync();
+    virtual off_t flen();
+
+protected:
+
+    FIL _fh;
+
+};
+
+}
+
+#endif
diff -r 000000000000 -r 6ceefe1c53e4 FATFileSystem.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileSystem.cpp	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,134 @@
+/* mbed Microcontroller Library - FATFileSystem
+ * Copyright (c) 2008, sford
+ */
+
+#include "FATFileSystem.h"
+
+#include "mbed.h"
+
+#include "FileSystemLike.h"
+#include "FATFileHandle.h"
+#include "FATDirHandle.h"
+#include "ff.h"
+//#include "Debug.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+DWORD get_fattime (void) {
+    return 999;
+}
+
+namespace mbed {
+
+#if FFSDEBUG_ENABLED
+static const char *FR_ERRORS[] = {
+    "FR_OK = 0", 
+    "FR_NOT_READY",          
+    "FR_NO_FILE",              
+    "FR_NO_PATH",             
+    "FR_INVALID_NAME",     
+    "FR_INVALID_DRIVE",      
+    "FR_DENIED",              
+    "FR_EXIST",              
+    "FR_RW_ERROR",          
+    "FR_WRITE_PROTECTED", 
+    "FR_NOT_ENABLED",    
+    "FR_NO_FILESYSTEM",    
+    "FR_INVALID_OBJECT",    
+    "FR_MKFS_ABORTED"    
+};
+#endif
+
+FATFileSystem *FATFileSystem::_ffs[_VOLUMES] = {0};
+
+FATFileSystem::FATFileSystem(const char* n) : FileSystemLike(n) {
+    FFSDEBUG("FATFileSystem(%s)\n", n);
+    for(int i=0; i<_VOLUMES; i++) {
+        if(_ffs[i] == 0) {
+            _ffs[i] = this;
+            _fsid = i;
+            FFSDEBUG("Mounting [%s] on ffs drive [%d]\n", _name, _fsid);
+            f_mount(i, &_fs);
+            return;
+        }
+    }
+    error("Couldn't create %s in FATFileSystem::FATFileSystem\n",n);
+}
+    
+FATFileSystem::~FATFileSystem() {
+    for(int i=0; i<_VOLUMES; i++) {
+        if(_ffs[i] == this) {
+            _ffs[i] = 0;
+            f_mount(i, NULL);
+        }
+    }
+}
+    
+FileHandle *FATFileSystem::open(const char* name, int flags) {
+    FFSDEBUG("open(%s) on filesystem [%s], drv [%d]\n", name, _name, _fsid);
+    char n[64];
+    sprintf(n, "%d:/%s", _fsid, name);
+
+    /* POSIX flags -> FatFS open mode */
+    BYTE openmode;
+    if(flags & O_RDWR) {
+        openmode = FA_READ|FA_WRITE;
+    } else if(flags & O_WRONLY) {
+        openmode = FA_WRITE;
+    } else {
+        openmode = FA_READ;
+    }
+    if(flags & O_CREAT) {
+        if(flags & O_TRUNC) {
+            openmode |= FA_CREATE_ALWAYS;
+        } else {
+            openmode |= FA_OPEN_ALWAYS;
+        }
+    }
+
+    FIL fh;
+    FRESULT res = f_open(&fh, n, openmode);
+    if(res) { 
+        FFSDEBUG("f_open('w') failed (%d, %s)\n", res, FR_ERRORS[res]);
+        return NULL;
+    }
+    if(flags & O_APPEND) {
+        f_lseek(&fh, fh.fsize);
+    }
+    return new FATFileHandle(fh);
+}
+    
+int FATFileSystem::remove(const char *filename) {
+    FRESULT res = f_unlink(filename);
+    if(res) { 
+        FFSDEBUG("f_unlink() failed (%d, %s)\n", res, FR_ERRORS[res]);
+        return -1;
+    }
+    return 0;
+}
+
+int FATFileSystem::format() {
+    FFSDEBUG("format()\n");
+    FRESULT res = f_mkfs(_fsid, 0, 512); // Logical drive number, Partitioning rule, Allocation unit size (bytes per cluster)
+    if(res) {
+        FFSDEBUG("f_mkfs() failed (%d, %s)\n", res, FR_ERRORS[res]);
+        return -1;
+    }
+    return 0;
+}
+
+DirHandle *FATFileSystem::opendir(const char *name) {
+    FATFS_DIR dir;
+    FRESULT res = f_opendir(&dir, name);
+    if(res != 0) {
+        return NULL;
+    }
+    return new FATDirHandle(dir);
+}
+
+int FATFileSystem::mkdir(const char *name, mode_t mode) {
+    FRESULT res = f_mkdir(name);
+    return res == 0 ? 0 : -1;
+}
+
+} // namespace mbed
diff -r 000000000000 -r 6ceefe1c53e4 FATFileSystem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FATFileSystem.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +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[_VOLUMES];	// 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 000000000000 -r 6ceefe1c53e4 MemFileSystem.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MemFileSystem.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,75 @@
+/* mbed Microcontroller Library - MemFileSystem
+ * Copyright (c) 2008, sford
+ */
+
+
+#ifndef MBED_MEMFILESYSTEM_H
+#define MBED_MEMFILESYSTEM_H
+
+#include "FATFileSystem.h"
+
+namespace mbed {
+
+class MemFileSystem : public FATFileSystem {
+public:
+
+    // 2000 sectors, each 512 bytes (malloced as required)
+    char *sectors[2000];
+
+    MemFileSystem(const char* name) : FATFileSystem(name) {
+        memset(sectors, 0, sizeof(sectors));
+    }
+
+    virtual ~MemFileSystem() {
+        for(int i = 0; i < 2000; i++) {
+            if(sectors[i]) {
+                free(sectors[i]);
+            }
+        }
+    }
+
+    // read a sector in to the buffer, return 0 if ok
+    virtual int disk_read(char *buffer, int sector) {
+        if(sectors[sector] == 0) {
+            // nothing allocated means sector is empty
+            memset(buffer, 0, 512);
+        } else {
+            memcpy(buffer, sectors[sector], 512);
+        }
+        return 0;
+    }
+
+    // write a sector from the buffer, return 0 if ok
+    virtual int disk_write(const char *buffer, int sector) {
+        // if buffer is zero deallocate sector
+        char zero[512];
+        memset(zero, 0, 512);
+        if(memcmp(zero, buffer, 512)==0) {
+            if(sectors[sector] != 0) {
+                free(sectors[sector]);
+                sectors[sector] = 0;
+            }
+            return 0;
+        }
+        // else allocate a sector if needed, and write
+        if(sectors[sector] == 0) {
+            char *sec = (char*)malloc(512);
+            if(sec==0) {
+                return 1; // out of memory
+            }
+            sectors[sector] = sec;
+        }
+        memcpy(sectors[sector], buffer, 512);
+        return 0;
+    }
+        
+    // return the number of sectors
+    virtual int disk_sectors() {
+        return sizeof(sectors)/sizeof(sectors[0]);
+    }
+
+};
+    
+}
+
+#endif
diff -r 000000000000 -r 6ceefe1c53e4 diskio.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/diskio.c	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,105 @@
+/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2007        */
+/*-----------------------------------------------------------------------*/
+/* This is a stub disk I/O module that acts as front end of the existing */
+/* disk I/O modules and attach it to FatFs module with common interface. */
+/*-----------------------------------------------------------------------*/
+
+#include "diskio.h"
+#include <stdio.h>
+#include <string.h>
+#include "FATFileSystem.h"
+
+#include "mbed.h"
+
+DSTATUS disk_initialize (
+	BYTE drv				/* Physical drive nmuber (0..) */
+) 
+{
+	FFSDEBUG("disk_initialize on drv [%d]\n", drv);
+	return (DSTATUS)FATFileSystem::_ffs[drv]->disk_initialize();
+}
+
+DSTATUS disk_status (
+	BYTE drv		/* Physical drive nmuber (0..) */
+) 
+{
+	FFSDEBUG("disk_status on drv [%d]\n", drv);
+	return (DSTATUS)FATFileSystem::_ffs[drv]->disk_status();
+}
+
+DRESULT disk_read (
+	BYTE drv,		/* Physical drive nmuber (0..) */
+	BYTE *buff,		/* Data buffer to store read data */
+	DWORD sector,	/* Sector address (LBA) */
+	BYTE count		/* Number of sectors to read (1..255) */
+)
+{
+	FFSDEBUG("disk_read(sector %d, count %d) on drv [%d]\n", sector, count, drv);
+	for(DWORD s=sector; s<sector+count; s++) {
+		FFSDEBUG(" disk_read(sector %d)\n", s);
+		int res = FATFileSystem::_ffs[drv]->disk_read((char*)buff, s);
+		if(res) {
+			return RES_PARERR;
+		}
+		buff += 512;
+	}
+	return RES_OK;
+}
+
+#if _READONLY == 0
+DRESULT disk_write (
+	BYTE drv,			/* Physical drive nmuber (0..) */
+	const BYTE *buff,	/* Data to be written */
+	DWORD sector,		/* Sector address (LBA) */
+	BYTE count			/* Number of sectors to write (1..255) */
+)
+{
+	FFSDEBUG("disk_write(sector %d, count %d) on drv [%d]\n", sector, count, drv);
+	for(DWORD s=sector; s<sector+count; s++) {
+		FFSDEBUG(" disk_write(sector %d)\n", s);
+		int res = FATFileSystem::_ffs[drv]->disk_write((char*)buff, s);
+		if(res) {
+			return RES_PARERR;
+		}
+		buff += 512;
+	}
+	return RES_OK;
+}
+#endif /* _READONLY */
+
+DRESULT disk_ioctl (
+	BYTE drv,		/* Physical drive nmuber (0..) */
+	BYTE ctrl,		/* Control code */
+	void *buff		/* Buffer to send/receive control data */
+)
+{
+	FFSDEBUG("disk_ioctl(%d)\n", ctrl);
+	switch(ctrl) {
+		case CTRL_SYNC:
+			if(FATFileSystem::_ffs[drv] == NULL) {
+				return RES_NOTRDY;
+			} else if(FATFileSystem::_ffs[drv]->disk_sync()) {
+				return RES_ERROR;
+			} 
+			return RES_OK;
+		case GET_SECTOR_COUNT:
+			if(FATFileSystem::_ffs[drv] == NULL) {
+				return RES_NOTRDY;
+			} else {
+				int res = FATFileSystem::_ffs[drv]->disk_sectors();
+				if(res > 0) {
+					*((DWORD*)buff) = res; // minimum allowed
+					return RES_OK;
+				} else {
+					return RES_ERROR;
+				}
+			}
+		case GET_BLOCK_SIZE:
+			*((DWORD*)buff) = 1; // default when not known
+			return RES_OK;
+
+	}
+	return RES_PARERR;
+}
+
diff -r 000000000000 -r 6ceefe1c53e4 diskio.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/diskio.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,78 @@
+/*-----------------------------------------------------------------------
+/  Low level disk interface modlue include file
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO
+
+#define _READONLY	0	/* 1: Remove write functions */
+#define _USE_IOCTL	1	/* 1: Use disk_ioctl fucntion */
+
+#include "integer.h"
+
+
+/* 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 */
+
+int assign_drives (int, int);
+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*);
+
+
+
+/* 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 fucntion */
+
+/* Generic command (defined for FatFs) */
+#define CTRL_SYNC			0	/* Flush disk cache (for write functions) */
+#define GET_SECTOR_COUNT	1	/* Get media size (for only f_mkfs()) */
+#define GET_SECTOR_SIZE		2	/* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
+#define GET_BLOCK_SIZE		3	/* Get erase block size (for only f_mkfs()) */
+#define CTRL_ERASE_SECTOR	4	/* Force erased a block of sectors (for only _USE_ERASE) */
+
+/* Generic command */
+#define CTRL_POWER			5	/* Get/Set power status */
+#define CTRL_LOCK			6	/* Lock/Unlock media removal */
+#define CTRL_EJECT			7	/* Eject media */
+
+/* MMC/SDC specific ioctl command */
+#define MMC_GET_TYPE		10	/* Get card type */
+#define MMC_GET_CSD			11	/* Get CSD */
+#define MMC_GET_CID			12	/* Get CID */
+#define MMC_GET_OCR			13	/* Get OCR */
+#define MMC_GET_SDSTAT		14	/* Get SD status */
+
+/* ATA/CF specific ioctl command */
+#define ATA_GET_REV			20	/* Get F/W revision */
+#define ATA_GET_MODEL		21	/* Get model name */
+#define ATA_GET_SN			22	/* Get serial number */
+
+/* NAND specific ioctl command */
+#define NAND_FORMAT			30	/* Create physical format */
+
+
+#define _DISKIO
+#endif
diff -r 000000000000 -r 6ceefe1c53e4 ff.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ff.c	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,4077 @@
+/*----------------------------------------------------------------------------/
+/  FatFs - FAT file system module  R0.09                  (C)ChaN, 2011
+/-----------------------------------------------------------------------------/
+/ 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) 2011, 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 products UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/-----------------------------------------------------------------------------/
+/ Feb 26,'06 R0.00  Prototype.
+/
+/ Apr 29,'06 R0.01  First stable version.
+/
+/ Jun 01,'06 R0.02  Added FAT12 support.
+/                   Removed unbuffered mode.
+/                   Fixed a problem on small (<32M) partition.
+/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).
+/
+/ Sep 22,'06 R0.03  Added f_rename().
+/                   Changed option _FS_MINIMUM to _FS_MINIMIZE.
+/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast.
+/                   Fixed f_mkdir() creates incorrect directory on FAT32.
+/
+/ Feb 04,'07 R0.04  Supported multiple drive system.
+/                   Changed some interfaces for multiple drive system.
+/                   Changed f_mountdrv() to f_mount().
+/                   Added f_mkfs().
+/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive.
+/                   Added a capability of extending file size to f_lseek().
+/                   Added minimization level 3.
+/                   Fixed an endian sensitive code in f_mkfs().
+/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.
+/                   Added FSInfo support.
+/                   Fixed DBCS name can result FR_INVALID_NAME.
+/                   Fixed short seek (<= csize) collapses the file object.
+/
+/ Aug 25,'07 R0.05  Changed arguments of f_read(), f_write() and f_mkfs().
+/                   Fixed f_mkfs() on FAT32 creates incorrect FSInfo.
+/                   Fixed f_mkdir() on FAT32 creates incorrect directory.
+/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().
+/                   Fixed off by one error at FAT sub-type determination.
+/                   Fixed btr in f_read() can be mistruncated.
+/                   Fixed cached sector is not flushed when create and close without write.
+/
+/ Apr 01,'08 R0.06  Added fputc(), fputs(), fprintf() and fgets().
+/                   Improved performance of f_lseek() on moving to the same or following cluster.
+/
+/ Apr 01,'09 R0.07  Merged Tiny-FatFs as a configuration option. (_FS_TINY)
+/                   Added long file name feature.
+/                   Added multiple code page feature.
+/                   Added re-entrancy for multitask operation.
+/                   Added auto cluster size selection to f_mkfs().
+/                   Added rewind option to f_readdir().
+/                   Changed result code of critical errors.
+/                   Renamed string functions to avoid name collision.
+/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg.
+/                   Added multiple sector size feature.
+/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error.
+/                   Fixed wrong cache control in f_lseek().
+/                   Added relative path feature.
+/                   Added f_chdir() and f_chdrive().
+/                   Added proper case conversion to extended char.
+/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h.
+/                   Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
+/                   Fixed name matching error on the 13 char boundary.
+/                   Added a configuration option, _LFN_UNICODE.
+/                   Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
+/
+/ May 15,'10 R0.08  Added a memory configuration option. (_USE_LFN = 3)
+/                   Added file lock feature. (_FS_SHARE)
+/                   Added fast seek feature. (_USE_FASTSEEK)
+/                   Changed some types on the API, XCHAR->TCHAR.
+/                   Changed fname member in the FILINFO structure on Unicode cfg.
+/                   String functions support UTF-8 encoding files on Unicode cfg.
+/ Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
+/                   Added sector erase feature. (_USE_ERASE)
+/                   Moved file lock semaphore table from fs object to the bss.
+/                   Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
+/                   Fixed f_mkfs() creates wrong FAT32 volume.
+/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
+/                   f_lseek() reports required table size on creating CLMP.
+/                   Extended format syntax of f_printf function.
+/                   Ignores duplicated directory separators in given path names.
+/
+/ Sep 06,'11 R0.09  f_mkfs() supports multiple partition to finish the multiple partition feature.
+/                   Added f_fdisk(). (_MULTI_PARTITION = 2)
+/---------------------------------------------------------------------------*/
+
+#include "ff.h"			/* FatFs configurations and declarations */
+#include "diskio.h"		/* Declarations of low level disk I/O functions */
+
+
+/*--------------------------------------------------------------------------
+
+   Module Private Definitions
+
+---------------------------------------------------------------------------*/
+
+#if _FATFS != 6502	/* Revision ID */
+#error Wrong include file (ff.h).
+#endif
+
+
+/* Definitions on sector size */
+#if _MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096
+#error Wrong sector size.
+#endif
+#if _MAX_SS != 512
+#define	SS(fs)	((fs)->ssize)	/* Variable sector size */
+#else
+#define	SS(fs)	512U			/* Fixed sector size */
+#endif
+
+
+/* Reentrancy related */
+#if _FS_REENTRANT
+#if _USE_LFN == 1
+#error Static LFN work area must not be used in re-entrant configuration.
+#endif
+#define	ENTER_FF(fs)		{ if (!lock_fs(fs)) return FR_TIMEOUT; }
+#define	LEAVE_FF(fs, res)	{ unlock_fs(fs, res); return res; }
+#else
+#define	ENTER_FF(fs)
+#define LEAVE_FF(fs, res)	return res
+#endif
+
+#define	ABORT(fs, res)		{ fp->flag |= FA__ERROR; LEAVE_FF(fs, res); }
+
+
+/* File shareing feature */
+#if _FS_SHARE
+#if _FS_READONLY
+#error _FS_SHARE must be 0 on read-only cfg.
+#endif
+typedef struct {
+	FATFS *fs;				/* File ID 1, volume (NULL:blank entry) */
+	DWORD clu;				/* File ID 2, directory */
+	WORD idx;				/* File ID 3, directory index */
+	WORD ctr;				/* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */
+} FILESEM;
+#endif
+
+
+/* Misc definitions */
+#define LD_CLUST(dir)	(((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO))
+#define ST_CLUST(dir,cl) {ST_WORD(dir+DIR_FstClusLO, cl); ST_WORD(dir+DIR_FstClusHI, (DWORD)cl>>16);}
+
+
+/* DBCS code ranges and SBCS extend char conversion table */
+
+#if _CODE_PAGE == 932	/* Japanese Shift-JIS */
+#define _DF1S	0x81	/* DBC 1st byte range 1 start */
+#define _DF1E	0x9F	/* DBC 1st byte range 1 end */
+#define _DF2S	0xE0	/* DBC 1st byte range 2 start */
+#define _DF2E	0xFC	/* DBC 1st byte range 2 end */
+#define _DS1S	0x40	/* DBC 2nd byte range 1 start */
+#define _DS1E	0x7E	/* DBC 2nd byte range 1 end */
+#define _DS2S	0x80	/* DBC 2nd byte range 2 start */
+#define _DS2E	0xFC	/* DBC 2nd byte range 2 end */
+
+#elif _CODE_PAGE == 936	/* Simplified Chinese GBK */
+#define _DF1S	0x81
+#define _DF1E	0xFE
+#define _DS1S	0x40
+#define _DS1E	0x7E
+#define _DS2S	0x80
+#define _DS2E	0xFE
+
+#elif _CODE_PAGE == 949	/* Korean */
+#define _DF1S	0x81
+#define _DF1E	0xFE
+#define _DS1S	0x41
+#define _DS1E	0x5A
+#define _DS2S	0x61
+#define _DS2E	0x7A
+#define _DS3S	0x81
+#define _DS3E	0xFE
+
+#elif _CODE_PAGE == 950	/* Traditional Chinese Big5 */
+#define _DF1S	0x81
+#define _DF1E	0xFE
+#define _DS1S	0x40
+#define _DS1E	0x7E
+#define _DS2S	0xA1
+#define _DS2E	0xFE
+
+#elif _CODE_PAGE == 437	/* U.S. (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F,0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 720	/* Arabic (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x45,0x41,0x84,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x49,0x49,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 737	/* Greek (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \
+				0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xE7,0xE8,0xF1,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 775	/* Baltic (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+				0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 850	/* Multilingual Latin 1 (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+				0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 852	/* Latin 2 (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F,0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0x9F, \
+				0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF}
+
+#elif _CODE_PAGE == 855	/* Cyrillic (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F,0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \
+				0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \
+				0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 857	/* Turkish (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x98,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \
+				0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0x59,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 858	/* Multilingual Latin 1 + Euro (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+				0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 862	/* Hebrew (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 866	/* Russian (OEM) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 874	/* Thai (OEM, Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
+				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xA3,0xB4,0xB5,0xB6,0xB7,0xB8,0xA5,0xAA,0xBB,0xBC,0xBD,0xBC,0xAF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
+
+#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x82,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x80,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
+				0xA0,0xA2,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB2,0xA5,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xA3,0xBD,0xBD,0xAF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF}
+
+#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0xAd,0x9B,0x8C,0x9D,0xAE,0x9F, \
+				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
+
+#elif _CODE_PAGE == 1253 /* Greek (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xA2,0xB8,0xB9,0xBA, \
+				0xE0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xFB,0xBC,0xFD,0xBF,0xFF}
+
+#elif _CODE_PAGE == 1254 /* Turkish (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x9D,0x9E,0x9F, \
+				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
+
+#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1256 /* Arabic (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x8C,0x9D,0x9E,0x9F, \
+				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0x41,0xE1,0x41,0xE3,0xE4,0xE5,0xE6,0x43,0x45,0x45,0x45,0x45,0xEC,0xED,0x49,0x49,0xF0,0xF1,0xF2,0xF3,0x4F,0xF5,0xF6,0xF7,0xF8,0x55,0xFA,0x55,0x55,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1257 /* Baltic (Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xBC,0xBD,0xBE,0xAF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
+
+#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */
+#define _DF1S	0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0xAC,0x9D,0x9E,0x9F, \
+				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xEC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xFE,0x9F}
+
+#elif _CODE_PAGE == 1	/* ASCII (for only non-LFN cfg) */
+#if _USE_LFN
+#error Cannot use LFN feature without valid code page.
+#endif
+#define _DF1S	0
+
+#else
+#error Unknown code page
+
+#endif
+
+
+/* Character code support macros */
+#define IsUpper(c)	(((c)>='A')&&((c)<='Z'))
+#define IsLower(c)	(((c)>='a')&&((c)<='z'))
+#define IsDigit(c)	(((c)>='0')&&((c)<='9'))
+
+#if _DF1S		/* Code page is DBCS */
+
+#ifdef _DF2S	/* Two 1st byte areas */
+#define IsDBCS1(c)	(((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
+#else			/* One 1st byte area */
+#define IsDBCS1(c)	((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
+#endif
+
+#ifdef _DS3S	/* Three 2nd byte areas */
+#define IsDBCS2(c)	(((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
+#else			/* Two 2nd byte areas */
+#define IsDBCS2(c)	(((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
+#endif
+
+#else			/* Code page is SBCS */
+
+#define IsDBCS1(c)	0
+#define IsDBCS2(c)	0
+
+#endif /* _DF1S */
+
+
+/* Name status flags */
+#define NS			11		/* Index of name status byte in fn[] */
+#define NS_LOSS		0x01	/* Out of 8.3 format */
+#define NS_LFN		0x02	/* Force to create LFN entry */
+#define NS_LAST		0x04	/* Last segment */
+#define NS_BODY		0x08	/* Lower case flag (body) */
+#define NS_EXT		0x10	/* Lower case flag (ext) */
+#define NS_DOT		0x20	/* Dot entry */
+
+
+/* FAT sub-type boundaries */
+/* Note that the FAT spec by Microsoft says 4085 but Windows works with 4087! */
+#define MIN_FAT16	4086	/* Minimum number of clusters for FAT16 */
+#define	MIN_FAT32	65526	/* Minimum number of clusters for FAT32 */
+
+
+/* FatFs refers the members in the FAT structures as byte array instead of
+/ structure member because the structure is not binary compatible between
+/ different platforms */
+
+#define BS_jmpBoot			0	/* Jump instruction (3) */
+#define BS_OEMName			3	/* OEM name (8) */
+#define BPB_BytsPerSec		11	/* Sector size [byte] (2) */
+#define BPB_SecPerClus		13	/* Cluster size [sector] (1) */
+#define BPB_RsvdSecCnt		14	/* Size of reserved area [sector] (2) */
+#define BPB_NumFATs			16	/* Number of FAT copies (1) */
+#define BPB_RootEntCnt		17	/* Number of root dir entries for FAT12/16 (2) */
+#define BPB_TotSec16		19	/* Volume size [sector] (2) */
+#define BPB_Media			21	/* Media descriptor (1) */
+#define BPB_FATSz16			22	/* FAT size [sector] (2) */
+#define BPB_SecPerTrk		24	/* Track size [sector] (2) */
+#define BPB_NumHeads		26	/* Number of heads (2) */
+#define BPB_HiddSec			28	/* Number of special hidden sectors (4) */
+#define BPB_TotSec32		32	/* Volume size [sector] (4) */
+#define BS_DrvNum			36	/* Physical drive number (2) */
+#define BS_BootSig			38	/* Extended boot signature (1) */
+#define BS_VolID			39	/* Volume serial number (4) */
+#define BS_VolLab			43	/* Volume label (8) */
+#define BS_FilSysType		54	/* File system type (1) */
+#define BPB_FATSz32			36	/* FAT size [sector] (4) */
+#define BPB_ExtFlags		40	/* Extended flags (2) */
+#define BPB_FSVer			42	/* File system version (2) */
+#define BPB_RootClus		44	/* Root dir first cluster (4) */
+#define BPB_FSInfo			48	/* Offset of FSInfo sector (2) */
+#define BPB_BkBootSec		50	/* Offset of backup boot sectot (2) */
+#define BS_DrvNum32			64	/* Physical drive number (2) */
+#define BS_BootSig32		66	/* Extended boot signature (1) */
+#define BS_VolID32			67	/* Volume serial number (4) */
+#define BS_VolLab32			71	/* Volume label (8) */
+#define BS_FilSysType32		82	/* File system type (1) */
+#define	FSI_LeadSig			0	/* FSI: Leading signature (4) */
+#define	FSI_StrucSig		484	/* FSI: Structure signature (4) */
+#define	FSI_Free_Count		488	/* FSI: Number of free clusters (4) */
+#define	FSI_Nxt_Free		492	/* FSI: Last allocated cluster (4) */
+#define MBR_Table			446	/* MBR: Partition table offset (2) */
+#define	SZ_PTE				16	/* MBR: Size of a partition table entry */
+#define BS_55AA				510	/* Boot sector signature (2) */
+
+#define	DIR_Name			0	/* Short file name (11) */
+#define	DIR_Attr			11	/* Attribute (1) */
+#define	DIR_NTres			12	/* NT flag (1) */
+#define	DIR_CrtTime			14	/* Created time (2) */
+#define	DIR_CrtDate			16	/* Created date (2) */
+#define	DIR_FstClusHI		20	/* Higher 16-bit of first cluster (2) */
+#define	DIR_WrtTime			22	/* Modified time (2) */
+#define	DIR_WrtDate			24	/* Modified date (2) */
+#define	DIR_FstClusLO		26	/* Lower 16-bit of first cluster (2) */
+#define	DIR_FileSize		28	/* File size (4) */
+#define	LDIR_Ord			0	/* LFN entry order and LLE flag (1) */
+#define	LDIR_Attr			11	/* LFN attribute (1) */
+#define	LDIR_Type			12	/* LFN type (1) */
+#define	LDIR_Chksum			13	/* Sum of corresponding SFN entry */
+#define	LDIR_FstClusLO		26	/* Filled by zero (0) */
+#define	SZ_DIR				32		/* Size of a directory entry */
+#define	LLE					0x40	/* Last long entry flag in LDIR_Ord */
+#define	DDE					0xE5	/* Deleted directory enrty mark in DIR_Name[0] */
+#define	NDDE				0x05	/* Replacement of a character collides with DDE */
+
+
+/*------------------------------------------------------------*/
+/* Module private work area                                   */
+/*------------------------------------------------------------*/
+/* Note that uninitialized variables with static duration are
+/  zeroed/nulled at start-up. If not, the compiler or start-up
+/  routine is out of ANSI-C standard.
+*/
+
+#if _VOLUMES
+static
+FATFS *FatFs[_VOLUMES];	/* Pointer to the file system objects (logical drives) */
+#else
+#error Number of volumes must not be 0.
+#endif
+
+static
+WORD Fsid;				/* File system mount ID */
+
+#if _FS_RPATH
+static
+BYTE CurrVol;			/* Current drive */
+#endif
+
+#if _FS_SHARE
+static
+FILESEM	Files[_FS_SHARE];	/* File lock semaphores */
+#endif
+
+#if _USE_LFN == 0			/* No LFN feature */
+#define	DEF_NAMEBUF			BYTE sfn[12]
+#define INIT_BUF(dobj)		(dobj).fn = sfn
+#define	FREE_BUF()
+
+#elif _USE_LFN == 1			/* LFN feature with static working buffer */
+static WCHAR LfnBuf[_MAX_LFN+1];
+#define	DEF_NAMEBUF			BYTE sfn[12]
+#define INIT_BUF(dobj)		{ (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
+#define	FREE_BUF()
+
+#elif _USE_LFN == 2 		/* LFN feature with dynamic working buffer on the stack */
+#define	DEF_NAMEBUF			BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]
+#define INIT_BUF(dobj)		{ (dobj).fn = sfn; (dobj).lfn = lbuf; }
+#define	FREE_BUF()
+
+#elif _USE_LFN == 3 		/* LFN feature with dynamic working buffer on the heap */
+#define	DEF_NAMEBUF			BYTE sfn[12]; WCHAR *lfn
+#define INIT_BUF(dobj)		{ lfn = ff_memalloc((_MAX_LFN + 1) * 2); \
+							  if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \
+							  (dobj).lfn = lfn;	(dobj).fn = sfn; }
+#define	FREE_BUF()			ff_memfree(lfn)
+
+#else
+#error Wrong LFN configuration.
+#endif
+
+
+
+
+/*--------------------------------------------------------------------------
+
+   Module Private Functions
+
+---------------------------------------------------------------------------*/
+
+
+/*-----------------------------------------------------------------------*/
+/* String functions                                                      */
+/*-----------------------------------------------------------------------*/
+
+/* Copy memory to memory */
+static
+void mem_cpy (void* dst, const void* src, UINT cnt) {
+	BYTE *d = (BYTE*)dst;
+	const BYTE *s = (const BYTE*)src;
+
+#if _WORD_ACCESS == 1
+	while (cnt >= sizeof(int)) {
+		*(int*)d = *(int*)s;
+		d += sizeof(int); s += sizeof(int);
+		cnt -= sizeof(int);
+	}
+#endif
+	while (cnt--)
+		*d++ = *s++;
+}
+
+/* Fill memory */
+static
+void mem_set (void* dst, int val, UINT cnt) {
+	BYTE *d = (BYTE*)dst;
+
+	while (cnt--)
+		*d++ = (BYTE)val;
+}
+
+/* Compare memory to memory */
+static
+int mem_cmp (const void* dst, const void* src, UINT cnt) {
+	const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src;
+	int r = 0;
+
+	while (cnt-- && (r = *d++ - *s++) == 0) ;
+	return r;
+}
+
+/* Check if chr is contained in the string */
+static
+int chk_chr (const char* str, int chr) {
+	while (*str && *str != chr) str++;
+	return *str;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Request/Release grant to access the volume                            */
+/*-----------------------------------------------------------------------*/
+#if _FS_REENTRANT
+
+static
+int lock_fs (
+	FATFS *fs		/* File system object */
+)
+{
+	return ff_req_grant(fs->sobj);
+}
+
+
+static
+void unlock_fs (
+	FATFS *fs,		/* File system object */
+	FRESULT res		/* Result code to be returned */
+)
+{
+	if (res != FR_NOT_ENABLED &&
+		res != FR_INVALID_DRIVE &&
+		res != FR_INVALID_OBJECT &&
+		res != FR_TIMEOUT) {
+		ff_rel_grant(fs->sobj);
+	}
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* File shareing control functions                                       */
+/*-----------------------------------------------------------------------*/
+#if _FS_SHARE
+
+static
+FRESULT chk_lock (	/* Check if the file can be accessed */
+	FATFS_DIR* dj,		/* Directory object pointing the file to be checked */
+	int acc			/* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
+)
+{
+	UINT i, be;
+
+	/* Search file semaphore table */
+	for (i = be = 0; i < _FS_SHARE; i++) {
+		if (Files[i].fs) {	/* Existing entry */
+			if (Files[i].fs == dj->fs &&	 	/* Check if the file matched with an open file */
+				Files[i].clu == dj->sclust &&
+				Files[i].idx == dj->index) break;
+		} else {			/* Blank entry */
+			be++;
+		}
+	}
+	if (i == _FS_SHARE)	/* The file is not opened */
+		return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES;	/* Is there a blank entry for new file? */
+
+	/* The file has been opened. Reject any open against writing file and all write mode open */
+	return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
+}
+
+
+static
+int enq_lock (void)	/* Check if an entry is available for a new file */
+{
+	UINT i;
+
+	for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
+	return (i == _FS_SHARE) ? 0 : 1;
+}
+
+
+static
+UINT inc_lock (	/* Increment file open counter and returns its index (0:int error) */
+	FATFS_DIR* dj,	/* Directory object pointing the file to register or increment */
+	int acc		/* Desired access mode (0:Read, !0:Write) */
+)
+{
+	UINT i;
+
+
+	for (i = 0; i < _FS_SHARE; i++) {	/* Find the file */
+		if (Files[i].fs == dj->fs &&
+			Files[i].clu == dj->sclust &&
+			Files[i].idx == dj->index) break;
+	}
+
+	if (i == _FS_SHARE) {				/* Not opened. Register it as new. */
+		for (i = 0; i < _FS_SHARE && Files[i].fs; i++) ;
+		if (i == _FS_SHARE) return 0;	/* No space to register (int err) */
+		Files[i].fs = dj->fs;
+		Files[i].clu = dj->sclust;
+		Files[i].idx = dj->index;
+		Files[i].ctr = 0;
+	}
+
+	if (acc && Files[i].ctr) return 0;	/* Access violation (int err) */
+
+	Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1;	/* Set semaphore value */
+
+	return i + 1;
+}
+
+
+static
+FRESULT dec_lock (	/* Decrement file open counter */
+	UINT i			/* Semaphore index */
+)
+{
+	WORD n;
+	FRESULT res;
+
+
+	if (--i < _FS_SHARE) {
+		n = Files[i].ctr;
+		if (n == 0x100) n = 0;
+		if (n) n--;
+		Files[i].ctr = n;
+		if (!n) Files[i].fs = 0;
+		res = FR_OK;
+	} else {
+		res = FR_INT_ERR;
+	}
+	return res;
+}
+
+
+static
+void clear_lock (	/* Clear lock entries of the volume */
+	FATFS *fs
+)
+{
+	UINT i;
+
+	for (i = 0; i < _FS_SHARE; i++) {
+		if (Files[i].fs == fs) Files[i].fs = 0;
+	}
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change window offset                                                  */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT move_window (
+	FATFS *fs,		/* File system object */
+	DWORD sector	/* Sector number to make appearance in the fs->win[] */
+)					/* Move to zero only writes back dirty window */
+{
+	DWORD wsect;
+
+
+	wsect = fs->winsect;
+	if (wsect != sector) {	/* Changed current window */
+#if !_FS_READONLY
+		if (fs->wflag) {	/* Write back dirty window if needed */
+			if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK)
+				return FR_DISK_ERR;
+			fs->wflag = 0;
+			if (wsect < (fs->fatbase + fs->fsize)) {	/* In FAT area */
+				BYTE nf;
+				for (nf = fs->n_fats; nf > 1; nf--) {	/* Reflect the change to all FAT copies */
+					wsect += fs->fsize;
+					disk_write(fs->drv, fs->win, wsect, 1);
+				}
+			}
+		}
+#endif
+		if (sector) {
+			if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK)
+				return FR_DISK_ERR;
+			fs->winsect = sector;
+		}
+	}
+
+	return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Clean-up cached data                                                  */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT sync (	/* FR_OK: successful, FR_DISK_ERR: failed */
+	FATFS *fs	/* File system object */
+)
+{
+	FRESULT res;
+
+
+	res = move_window(fs, 0);
+	if (res == FR_OK) {
+		/* Update FSInfo sector if needed */
+		if (fs->fs_type == FS_FAT32 && fs->fsi_flag) {
+			fs->winsect = 0;
+			/* Create FSInfo structure */
+			mem_set(fs->win, 0, 512);
+			ST_WORD(fs->win+BS_55AA, 0xAA55);
+			ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);
+			ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);
+			ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);
+			ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);
+			/* Write it into the FSInfo sector */
+			disk_write(fs->drv, fs->win, fs->fsi_sector, 1);
+			fs->fsi_flag = 0;
+		}
+		/* Make sure that no pending write process in the physical drive */
+		if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)
+			res = FR_DISK_ERR;
+	}
+
+	return res;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get sector# from cluster#                                             */
+/*-----------------------------------------------------------------------*/
+
+
+DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */
+	FATFS *fs,		/* File system object */
+	DWORD clst		/* Cluster# to be converted */
+)
+{
+	clst -= 2;
+	if (clst >= (fs->n_fatent - 2)) return 0;		/* Invalid cluster# */
+	return clst * fs->csize + fs->database;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Read value of a FAT entry                                */
+/*-----------------------------------------------------------------------*/
+
+
+DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */
+	FATFS *fs,	/* File system object */
+	DWORD clst	/* Cluster# to get the link information */
+)
+{
+	UINT wc, bc;
+	BYTE *p;
+
+
+	if (clst < 2 || clst >= fs->n_fatent)	/* Chack range */
+		return 1;
+
+	switch (fs->fs_type) {
+	case FS_FAT12 :
+		bc = (UINT)clst; bc += bc / 2;
+		if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+		wc = fs->win[bc % SS(fs)]; bc++;
+		if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+		wc |= fs->win[bc % SS(fs)] << 8;
+		return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
+
+	case FS_FAT16 :
+		if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break;
+		p = &fs->win[clst * 2 % SS(fs)];
+		return LD_WORD(p);
+
+	case FS_FAT32 :
+		if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break;
+		p = &fs->win[clst * 4 % SS(fs)];
+		return LD_DWORD(p) & 0x0FFFFFFF;
+	}
+
+	return 0xFFFFFFFF;	/* An error occurred at the disk I/O layer */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Change value of a FAT entry                              */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+
+FRESULT put_fat (
+	FATFS *fs,	/* File system object */
+	DWORD clst,	/* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */
+	DWORD val	/* New value to mark the cluster */
+)
+{
+	UINT bc;
+	BYTE *p;
+	FRESULT res;
+
+
+	if (clst < 2 || clst >= fs->n_fatent) {	/* Check range */
+		res = FR_INT_ERR;
+
+	} else {
+		switch (fs->fs_type) {
+		case FS_FAT12 :
+			bc = clst; bc += bc / 2;
+			res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+			if (res != FR_OK) break;
+			p = &fs->win[bc % SS(fs)];
+			*p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val;
+			bc++;
+			fs->wflag = 1;
+			res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+			if (res != FR_OK) break;
+			p = &fs->win[bc % SS(fs)];
+			*p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F));
+			break;
+
+		case FS_FAT16 :
+			res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
+			if (res != FR_OK) break;
+			p = &fs->win[clst * 2 % SS(fs)];
+			ST_WORD(p, (WORD)val);
+			break;
+
+		case FS_FAT32 :
+			res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
+			if (res != FR_OK) break;
+			p = &fs->win[clst * 4 % SS(fs)];
+			val |= LD_DWORD(p) & 0xF0000000;
+			ST_DWORD(p, val);
+			break;
+
+		default :
+			res = FR_INT_ERR;
+		}
+		fs->wflag = 1;
+	}
+
+	return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Remove a cluster chain                                 */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT remove_chain (
+	FATFS *fs,			/* File system object */
+	DWORD clst			/* Cluster# to remove a chain from */
+)
+{
+	FRESULT res;
+	DWORD nxt;
+#if _USE_ERASE
+	DWORD scl = clst, ecl = clst, resion[2];
+#endif
+
+	if (clst < 2 || clst >= fs->n_fatent) {	/* Check range */
+		res = FR_INT_ERR;
+
+	} else {
+		res = FR_OK;
+		while (clst < fs->n_fatent) {			/* Not a last link? */
+			nxt = get_fat(fs, clst);			/* Get cluster status */
+			if (nxt == 0) break;				/* Empty cluster? */
+			if (nxt == 1) { res = FR_INT_ERR; break; }	/* Internal error? */
+			if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }	/* Disk error? */
+			res = put_fat(fs, clst, 0);			/* Mark the cluster "empty" */
+			if (res != FR_OK) break;
+			if (fs->free_clust != 0xFFFFFFFF) {	/* Update FSInfo */
+				fs->free_clust++;
+				fs->fsi_flag = 1;
+			}
+#if _USE_ERASE
+			if (ecl + 1 == nxt) {	/* Next cluster is contiguous */
+				ecl = nxt;
+			} else {				/* End of contiguous clusters */ 
+				resion[0] = clust2sect(fs, scl);					/* Start sector */
+				resion[1] = clust2sect(fs, ecl) + fs->csize - 1;	/* End sector */
+				disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, resion);		/* Erase the block */
+				scl = ecl = nxt;
+			}
+#endif
+			clst = nxt;	/* Next cluster */
+		}
+	}
+
+	return res;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Stretch or Create a cluster chain                      */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+DWORD create_chain (	/* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
+	FATFS *fs,			/* File system object */
+	DWORD clst			/* Cluster# to stretch. 0 means create a new chain. */
+)
+{
+	DWORD cs, ncl, scl;
+	FRESULT res;
+
+
+	if (clst == 0) {		/* Create a new chain */
+		scl = fs->last_clust;			/* Get suggested start point */
+		if (!scl || scl >= fs->n_fatent) scl = 1;
+	}
+	else {					/* Stretch the current chain */
+		cs = get_fat(fs, clst);			/* Check the cluster status */
+		if (cs < 2) return 1;			/* It is an invalid cluster */
+		if (cs < fs->n_fatent) return cs;	/* It is already followed by next cluster */
+		scl = clst;
+	}
+
+	ncl = scl;				/* Start cluster */
+	for (;;) {
+		ncl++;							/* Next cluster */
+		if (ncl >= fs->n_fatent) {		/* Wrap around */
+			ncl = 2;
+			if (ncl > scl) return 0;	/* No free cluster */
+		}
+		cs = get_fat(fs, ncl);			/* Get the cluster status */
+		if (cs == 0) break;				/* Found a free cluster */
+		if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */
+			return cs;
+		if (ncl == scl) return 0;		/* No free cluster */
+	}
+
+	res = put_fat(fs, ncl, 0x0FFFFFFF);	/* Mark the new cluster "last link" */
+	if (res == FR_OK && clst != 0) {
+		res = put_fat(fs, clst, ncl);	/* Link it to the previous one if needed */
+	}
+	if (res == FR_OK) {
+		fs->last_clust = ncl;			/* Update FSINFO */
+		if (fs->free_clust != 0xFFFFFFFF) {
+			fs->free_clust--;
+			fs->fsi_flag = 1;
+		}
+	} else {
+		ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
+	}
+
+	return ncl;		/* Return new cluster number or error code */
+}
+#endif /* !_FS_READONLY */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Convert offset into cluster with link map table        */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_FASTSEEK
+static
+DWORD clmt_clust (	/* <2:Error, >=2:Cluster number */
+	FIL* fp,		/* Pointer to the file object */
+	DWORD ofs		/* File offset to be converted to cluster# */
+)
+{
+	DWORD cl, ncl, *tbl;
+
+
+	tbl = fp->cltbl + 1;	/* Top of CLMT */
+	cl = ofs / SS(fp->fs) / fp->fs->csize;	/* Cluster order from top of the file */
+	for (;;) {
+		ncl = *tbl++;			/* Number of cluters in the fragment */
+		if (!ncl) return 0;		/* End of table? (error) */
+		if (cl < ncl) break;	/* In this fragment? */
+		cl -= ncl; tbl++;		/* Next fragment */
+	}
+	return cl + *tbl;	/* Return the cluster number */
+}
+#endif	/* _USE_FASTSEEK */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Set directory index                              */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_sdi (
+	FATFS_DIR *dj,		/* Pointer to directory object */
+	WORD idx		/* Directory index number */
+)
+{
+	DWORD clst;
+	WORD ic;
+
+
+	dj->index = idx;
+	clst = dj->sclust;
+	if (clst == 1 || clst >= dj->fs->n_fatent)	/* Check start cluster range */
+		return FR_INT_ERR;
+	if (!clst && dj->fs->fs_type == FS_FAT32)	/* Replace cluster# 0 with root cluster# if in FAT32 */
+		clst = dj->fs->dirbase;
+
+	if (clst == 0) {	/* Static table (root-dir in FAT12/16) */
+		dj->clust = clst;
+		if (idx >= dj->fs->n_rootdir)		/* Index is out of range */
+			return FR_INT_ERR;
+		dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / SZ_DIR);	/* Sector# */
+	}
+	else {				/* Dynamic table (sub-dirs or root-dir in FAT32) */
+		ic = SS(dj->fs) / SZ_DIR * dj->fs->csize;	/* Entries per cluster */
+		while (idx >= ic) {	/* Follow cluster chain */
+			clst = get_fat(dj->fs, clst);				/* Get next cluster */
+			if (clst == 0xFFFFFFFF) return FR_DISK_ERR;	/* Disk error */
+			if (clst < 2 || clst >= dj->fs->n_fatent)	/* Reached to end of table or int error */
+				return FR_INT_ERR;
+			idx -= ic;
+		}
+		dj->clust = clst;
+		dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / SZ_DIR);	/* Sector# */
+	}
+
+	dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;	/* Ptr to the entry in the sector */
+
+	return FR_OK;	/* Seek succeeded */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Move directory index next                        */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_next (	/* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:EOT and could not stretch */
+	FATFS_DIR *dj,		/* Pointer to directory object */
+	int stretch		/* 0: Do not stretch table, 1: Stretch table if needed */
+)
+{
+	DWORD clst;
+	WORD i;
+
+
+	stretch = stretch;		/* To suppress warning on read-only cfg. */
+	i = dj->index + 1;
+	if (!i || !dj->sect)	/* Report EOT when index has reached 65535 */
+		return FR_NO_FILE;
+
+	if (!(i % (SS(dj->fs) / SZ_DIR))) {	/* Sector changed? */
+		dj->sect++;					/* Next sector */
+
+		if (dj->clust == 0) {	/* Static table */
+			if (i >= dj->fs->n_rootdir)	/* Report EOT when end of table */
+				return FR_NO_FILE;
+		}
+		else {					/* Dynamic table */
+			if (((i / (SS(dj->fs) / SZ_DIR)) & (dj->fs->csize - 1)) == 0) {	/* Cluster changed? */
+				clst = get_fat(dj->fs, dj->clust);				/* Get next cluster */
+				if (clst <= 1) return FR_INT_ERR;
+				if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+				if (clst >= dj->fs->n_fatent) {					/* When it reached end of dynamic table */
+#if !_FS_READONLY
+					BYTE c;
+					if (!stretch) return FR_NO_FILE;			/* When do not stretch, report EOT */
+					clst = create_chain(dj->fs, dj->clust);		/* Stretch cluster chain */
+					if (clst == 0) return FR_DENIED;			/* No free cluster */
+					if (clst == 1) return FR_INT_ERR;
+					if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+					/* Clean-up stretched table */
+					if (move_window(dj->fs, 0)) return FR_DISK_ERR;	/* Flush active window */
+					mem_set(dj->fs->win, 0, SS(dj->fs));			/* Clear window buffer */
+					dj->fs->winsect = clust2sect(dj->fs, clst);	/* Cluster start sector */
+					for (c = 0; c < dj->fs->csize; c++) {		/* Fill the new cluster with 0 */
+						dj->fs->wflag = 1;
+						if (move_window(dj->fs, 0)) return FR_DISK_ERR;
+						dj->fs->winsect++;
+					}
+					dj->fs->winsect -= c;						/* Rewind window address */
+#else
+					return FR_NO_FILE;			/* Report EOT */
+#endif
+				}
+				dj->clust = clst;				/* Initialize data for new cluster */
+				dj->sect = clust2sect(dj->fs, clst);
+			}
+		}
+	}
+
+	dj->index = i;
+	dj->dir = dj->fs->win + (i % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;
+
+	return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* LFN handling - Test/Pick/Fit an LFN segment from/to directory entry   */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+static
+const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30};	/* Offset of LFN chars in the directory entry */
+
+
+static
+int cmp_lfn (			/* 1:Matched, 0:Not matched */
+	WCHAR *lfnbuf,		/* Pointer to the LFN to be compared */
+	BYTE *dir			/* Pointer to the directory entry containing a part of LFN */
+)
+{
+	UINT i, s;
+	WCHAR wc, uc;
+
+
+	i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13;	/* Get offset in the LFN buffer */
+	s = 0; wc = 1;
+	do {
+		uc = LD_WORD(dir+LfnOfs[s]);	/* Pick an LFN character from the entry */
+		if (wc) {	/* Last char has not been processed */
+			wc = ff_wtoupper(uc);		/* Convert it to upper case */
+			if (i >= _MAX_LFN || wc != ff_wtoupper(lfnbuf[i++]))	/* Compare it */
+				return 0;				/* Not matched */
+		} else {
+			if (uc != 0xFFFF) return 0;	/* Check filler */
+		}
+	} while (++s < 13);				/* Repeat until all chars in the entry are checked */
+
+	if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i])	/* Last segment matched but different length */
+		return 0;
+
+	return 1;						/* The part of LFN matched */
+}
+
+
+
+static
+int pick_lfn (			/* 1:Succeeded, 0:Buffer overflow */
+	WCHAR *lfnbuf,		/* Pointer to the Unicode-LFN buffer */
+	BYTE *dir			/* Pointer to the directory entry */
+)
+{
+	UINT i, s;
+	WCHAR wc, uc;
+
+
+	i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13;	/* Offset in the LFN buffer */
+
+	s = 0; wc = 1;
+	do {
+		uc = LD_WORD(dir+LfnOfs[s]);		/* Pick an LFN character from the entry */
+		if (wc) {	/* Last char has not been processed */
+			if (i >= _MAX_LFN) return 0;	/* Buffer overflow? */
+			lfnbuf[i++] = wc = uc;			/* Store it */
+		} else {
+			if (uc != 0xFFFF) return 0;		/* Check filler */
+		}
+	} while (++s < 13);						/* Read all character in the entry */
+
+	if (dir[LDIR_Ord] & LLE) {				/* Put terminator if it is the last LFN part */
+		if (i >= _MAX_LFN) return 0;		/* Buffer overflow? */
+		lfnbuf[i] = 0;
+	}
+
+	return 1;
+}
+
+
+#if !_FS_READONLY
+static
+void fit_lfn (
+	const WCHAR *lfnbuf,	/* Pointer to the LFN buffer */
+	BYTE *dir,				/* Pointer to the directory entry */
+	BYTE ord,				/* LFN order (1-20) */
+	BYTE sum				/* SFN sum */
+)
+{
+	UINT i, s;
+	WCHAR wc;
+
+
+	dir[LDIR_Chksum] = sum;			/* Set check sum */
+	dir[LDIR_Attr] = AM_LFN;		/* Set attribute. LFN entry */
+	dir[LDIR_Type] = 0;
+	ST_WORD(dir+LDIR_FstClusLO, 0);
+
+	i = (ord - 1) * 13;				/* Get offset in the LFN buffer */
+	s = wc = 0;
+	do {
+		if (wc != 0xFFFF) wc = lfnbuf[i++];	/* Get an effective char */
+		ST_WORD(dir+LfnOfs[s], wc);	/* Put it */
+		if (!wc) wc = 0xFFFF;		/* Padding chars following last char */
+	} while (++s < 13);
+	if (wc == 0xFFFF || !lfnbuf[i]) ord |= LLE;	/* Bottom LFN part is the start of LFN sequence */
+	dir[LDIR_Ord] = ord;			/* Set the LFN order */
+}
+
+#endif
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Create numbered name                                                  */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+void gen_numname (
+	BYTE *dst,			/* Pointer to generated SFN */
+	const BYTE *src,	/* Pointer to source SFN to be modified */
+	const WCHAR *lfn,	/* Pointer to LFN */
+	WORD seq			/* Sequence number */
+)
+{
+	BYTE ns[8], c;
+	UINT i, j;
+
+
+	mem_cpy(dst, src, 11);
+
+	if (seq > 5) {	/* On many collisions, generate a hash number instead of sequential number */
+		do seq = (seq >> 1) + (seq << 15) + (WORD)*lfn++; while (*lfn);
+	}
+
+	/* itoa (hexdecimal) */
+	i = 7;
+	do {
+		c = (seq % 16) + '0';
+		if (c > '9') c += 7;
+		ns[i--] = c;
+		seq /= 16;
+	} while (seq);
+	ns[i] = '~';
+
+	/* Append the number */
+	for (j = 0; j < i && dst[j] != ' '; j++) {
+		if (IsDBCS1(dst[j])) {
+			if (j == i - 1) break;
+			j++;
+		}
+	}
+	do {
+		dst[j++] = (i < 8) ? ns[i++] : ' ';
+	} while (j < 8);
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Calculate sum of an SFN                                               */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+static
+BYTE sum_sfn (
+	const BYTE *dir		/* Ptr to directory entry */
+)
+{
+	BYTE sum = 0;
+	UINT n = 11;
+
+	do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
+	return sum;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Find an object in the directory                  */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_find (
+	FATFS_DIR *dj			/* Pointer to the directory object linked to the file name */
+)
+{
+	FRESULT res;
+	BYTE c, *dir;
+#if _USE_LFN
+	BYTE a, ord, sum;
+#endif
+
+	res = dir_sdi(dj, 0);			/* Rewind directory object */
+	if (res != FR_OK) return res;
+
+#if _USE_LFN
+	ord = sum = 0xFF;
+#endif
+	do {
+		res = move_window(dj->fs, dj->sect);
+		if (res != FR_OK) break;
+		dir = dj->dir;					/* Ptr to the directory entry of current index */
+		c = dir[DIR_Name];
+		if (c == 0) { res = FR_NO_FILE; break; }	/* Reached to end of table */
+#if _USE_LFN	/* LFN configuration */
+		a = dir[DIR_Attr] & AM_MASK;
+		if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */
+			ord = 0xFF;
+		} else {
+			if (a == AM_LFN) {			/* An LFN entry is found */
+				if (dj->lfn) {
+					if (c & LLE) {		/* Is it start of LFN sequence? */
+						sum = dir[LDIR_Chksum];
+						c &= ~LLE; ord = c;	/* LFN start order */
+						dj->lfn_idx = dj->index;
+					}
+					/* Check validity of the LFN entry and compare it with given name */
+					ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+				}
+			} else {					/* An SFN entry is found */
+				if (!ord && sum == sum_sfn(dir)) break;	/* LFN matched? */
+				ord = 0xFF; dj->lfn_idx = 0xFFFF;	/* Reset LFN sequence */
+				if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break;	/* SFN matched? */
+			}
+		}
+#else		/* Non LFN configuration */
+		if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
+			break;
+#endif
+		res = dir_next(dj, 0);		/* Next entry */
+	} while (res == FR_OK);
+
+	return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read an object from the directory                                     */
+/*-----------------------------------------------------------------------*/
+#if _FS_MINIMIZE <= 1
+static
+FRESULT dir_read (
+	FATFS_DIR *dj			/* Pointer to the directory object that pointing the entry to be read */
+)
+{
+	FRESULT res;
+	BYTE c, *dir;
+#if _USE_LFN
+	BYTE a, ord = 0xFF, sum = 0xFF;
+#endif
+
+	res = FR_NO_FILE;
+	while (dj->sect) {
+		res = move_window(dj->fs, dj->sect);
+		if (res != FR_OK) break;
+		dir = dj->dir;					/* Ptr to the directory entry of current index */
+		c = dir[DIR_Name];
+		if (c == 0) { res = FR_NO_FILE; break; }	/* Reached to end of table */
+#if _USE_LFN	/* LFN configuration */
+		a = dir[DIR_Attr] & AM_MASK;
+		if (c == DDE || (!_FS_RPATH && c == '.') || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */
+			ord = 0xFF;
+		} else {
+			if (a == AM_LFN) {			/* An LFN entry is found */
+				if (c & LLE) {			/* Is it start of LFN sequence? */
+					sum = dir[LDIR_Chksum];
+					c &= ~LLE; ord = c;
+					dj->lfn_idx = dj->index;
+				}
+				/* Check LFN validity and capture it */
+				ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+			} else {					/* An SFN entry is found */
+				if (ord || sum != sum_sfn(dir))	/* Is there a valid LFN? */
+					dj->lfn_idx = 0xFFFF;		/* It has no LFN. */
+				break;
+			}
+		}
+#else		/* Non LFN configuration */
+		if (c != DDE && (_FS_RPATH || c != '.') && !(dir[DIR_Attr] & AM_VOL))	/* Is it a valid entry? */
+			break;
+#endif
+		res = dir_next(dj, 0);				/* Next entry */
+		if (res != FR_OK) break;
+	}
+
+	if (res != FR_OK) dj->sect = 0;
+
+	return res;
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Register an object to the directory                                   */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT dir_register (	/* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
+	FATFS_DIR *dj				/* Target directory with object name to be created */
+)
+{
+	FRESULT res;
+	BYTE c, *dir;
+#if _USE_LFN	/* LFN configuration */
+	WORD n, ne, is;
+	BYTE sn[12], *fn, sum;
+	WCHAR *lfn;
+
+
+	fn = dj->fn; lfn = dj->lfn;
+	mem_cpy(sn, fn, 12);
+
+	if (_FS_RPATH && (sn[NS] & NS_DOT))		/* Cannot create dot entry */
+		return FR_INVALID_NAME;
+
+	if (sn[NS] & NS_LOSS) {			/* When LFN is out of 8.3 format, generate a numbered name */
+		fn[NS] = 0; dj->lfn = 0;			/* Find only SFN */
+		for (n = 1; n < 100; n++) {
+			gen_numname(fn, sn, lfn, n);	/* Generate a numbered name */
+			res = dir_find(dj);				/* Check if the name collides with existing SFN */
+			if (res != FR_OK) break;
+		}
+		if (n == 100) return FR_DENIED;		/* Abort if too many collisions */
+		if (res != FR_NO_FILE) return res;	/* Abort if the result is other than 'not collided' */
+		fn[NS] = sn[NS]; dj->lfn = lfn;
+	}
+
+	if (sn[NS] & NS_LFN) {			/* When LFN is to be created, reserve an SFN + LFN entries. */
+		for (ne = 0; lfn[ne]; ne++) ;
+		ne = (ne + 25) / 13;
+	} else {						/* Otherwise reserve only an SFN entry. */
+		ne = 1;
+	}
+
+	/* Reserve contiguous entries */
+	res = dir_sdi(dj, 0);
+	if (res != FR_OK) return res;
+	n = is = 0;
+	do {
+		res = move_window(dj->fs, dj->sect);
+		if (res != FR_OK) break;
+		c = *dj->dir;				/* Check the entry status */
+		if (c == DDE || c == 0) {	/* Is it a blank entry? */
+			if (n == 0) is = dj->index;	/* First index of the contiguous entry */
+			if (++n == ne) break;	/* A contiguous entry that required count is found */
+		} else {
+			n = 0;					/* Not a blank entry. Restart to search */
+		}
+		res = dir_next(dj, 1);		/* Next entry with table stretch */
+	} while (res == FR_OK);
+
+	if (res == FR_OK && ne > 1) {	/* Initialize LFN entry if needed */
+		res = dir_sdi(dj, is);
+		if (res == FR_OK) {
+			sum = sum_sfn(dj->fn);	/* Sum of the SFN tied to the LFN */
+			ne--;
+			do {					/* Store LFN entries in bottom first */
+				res = move_window(dj->fs, dj->sect);
+				if (res != FR_OK) break;
+				fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum);
+				dj->fs->wflag = 1;
+				res = dir_next(dj, 0);	/* Next entry */
+			} while (res == FR_OK && --ne);
+		}
+	}
+
+#else	/* Non LFN configuration */
+	res = dir_sdi(dj, 0);
+	if (res == FR_OK) {
+		do {	/* Find a blank entry for the SFN */
+			res = move_window(dj->fs, dj->sect);
+			if (res != FR_OK) break;
+			c = *dj->dir;
+			if (c == DDE || c == 0) break;	/* Is it a blank entry? */
+			res = dir_next(dj, 1);			/* Next entry with table stretch */
+		} while (res == FR_OK);
+	}
+#endif
+
+	if (res == FR_OK) {		/* Initialize the SFN entry */
+		res = move_window(dj->fs, dj->sect);
+		if (res == FR_OK) {
+			dir = dj->dir;
+			mem_set(dir, 0, SZ_DIR);	/* Clean the entry */
+			mem_cpy(dir, dj->fn, 11);	/* Put SFN */
+#if _USE_LFN
+			dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT);	/* Put NT flag */
+#endif
+			dj->fs->wflag = 1;
+		}
+	}
+
+	return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Remove an object from the directory                                   */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY && !_FS_MINIMIZE
+static
+FRESULT dir_remove (	/* FR_OK: Successful, FR_DISK_ERR: A disk error */
+	FATFS_DIR *dj				/* Directory object pointing the entry to be removed */
+)
+{
+	FRESULT res;
+#if _USE_LFN	/* LFN configuration */
+	WORD i;
+
+	i = dj->index;	/* SFN index */
+	res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx));	/* Goto the SFN or top of the LFN entries */
+	if (res == FR_OK) {
+		do {
+			res = move_window(dj->fs, dj->sect);
+			if (res != FR_OK) break;
+			*dj->dir = DDE;			/* Mark the entry "deleted" */
+			dj->fs->wflag = 1;
+			if (dj->index >= i) break;	/* When reached SFN, all entries of the object has been deleted. */
+			res = dir_next(dj, 0);		/* Next entry */
+		} while (res == FR_OK);
+		if (res == FR_NO_FILE) res = FR_INT_ERR;
+	}
+
+#else			/* Non LFN configuration */
+	res = dir_sdi(dj, dj->index);
+	if (res == FR_OK) {
+		res = move_window(dj->fs, dj->sect);
+		if (res == FR_OK) {
+			*dj->dir = DDE;			/* Mark the entry "deleted" */
+			dj->fs->wflag = 1;
+		}
+	}
+#endif
+
+	return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Pick a segment and create the object name in directory form           */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT create_name (
+	FATFS_DIR *dj,			/* Pointer to the directory object */
+	const TCHAR **path	/* Pointer to pointer to the segment in the path string */
+)
+{
+#ifdef _EXCVT
+	static const BYTE excvt[] = _EXCVT;	/* Upper conversion table for extended chars */
+#endif
+
+#if _USE_LFN	/* LFN configuration */
+	BYTE b, cf;
+	WCHAR w, *lfn;
+	UINT i, ni, si, di;
+	const TCHAR *p;
+
+	/* Create LFN in Unicode */
+	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */
+	lfn = dj->lfn;
+	si = di = 0;
+	for (;;) {
+		w = p[si++];					/* Get a character */
+		if (w < ' ' || w == '/' || w == '\\') break;	/* Break on end of segment */
+		if (di >= _MAX_LFN)				/* Reject too long name */
+			return FR_INVALID_NAME;
+#if !_LFN_UNICODE
+		w &= 0xFF;
+		if (IsDBCS1(w)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+			b = (BYTE)p[si++];			/* Get 2nd byte */
+			if (!IsDBCS2(b))
+				return FR_INVALID_NAME;	/* Reject invalid sequence */
+			w = (w << 8) + b;			/* Create a DBC */
+		}
+		w = ff_convert(w, 1);			/* Convert ANSI/OEM to Unicode */
+		if (!w) return FR_INVALID_NAME;	/* Reject invalid code */
+#endif
+		if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */
+			return FR_INVALID_NAME;
+		lfn[di++] = w;					/* Store the Unicode char */
+	}
+	*path = &p[si];						/* Return pointer to the next segment */
+	cf = (w < ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */
+#if _FS_RPATH
+	if ((di == 1 && lfn[di-1] == '.') || /* Is this a dot entry? */
+		(di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) {
+		lfn[di] = 0;
+		for (i = 0; i < 11; i++)
+			dj->fn[i] = (i < di) ? '.' : ' ';
+		dj->fn[i] = cf | NS_DOT;		/* This is a dot entry */
+		return FR_OK;
+	}
+#endif
+	while (di) {						/* Strip trailing spaces and dots */
+		w = lfn[di-1];
+		if (w != ' ' && w != '.') break;
+		di--;
+	}
+	if (!di) return FR_INVALID_NAME;	/* Reject nul string */
+
+	lfn[di] = 0;						/* LFN is created */
+
+	/* Create SFN in directory form */
+	mem_set(dj->fn, ' ', 11);
+	for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ;	/* Strip leading spaces and dots */
+	if (si) cf |= NS_LOSS | NS_LFN;
+	while (di && lfn[di - 1] != '.') di--;	/* Find extension (di<=si: no extension) */
+
+	b = i = 0; ni = 8;
+	for (;;) {
+		w = lfn[si++];					/* Get an LFN char */
+		if (!w) break;					/* Break on end of the LFN */
+		if (w == ' ' || (w == '.' && si != di)) {	/* Remove spaces and dots */
+			cf |= NS_LOSS | NS_LFN; continue;
+		}
+
+		if (i >= ni || si == di) {		/* Extension or end of SFN */
+			if (ni == 11) {				/* Long extension */
+				cf |= NS_LOSS | NS_LFN; break;
+			}
+			if (si != di) cf |= NS_LOSS | NS_LFN;	/* Out of 8.3 format */
+			if (si > di) break;			/* No extension */
+			si = di; i = 8; ni = 11;	/* Enter extension section */
+			b <<= 2; continue;
+		}
+
+		if (w >= 0x80) {				/* Non ASCII char */
+#ifdef _EXCVT
+			w = ff_convert(w, 0);		/* Unicode -> OEM code */
+			if (w) w = excvt[w - 0x80];	/* Convert extended char to upper (SBCS) */
+#else
+			w = ff_convert(ff_wtoupper(w), 0);	/* Upper converted Unicode -> OEM code */
+#endif
+			cf |= NS_LFN;				/* Force create LFN entry */
+		}
+
+		if (_DF1S && w >= 0x100) {		/* Double byte char (always false on SBCS cfg) */
+			if (i >= ni - 1) {
+				cf |= NS_LOSS | NS_LFN; i = ni; continue;
+			}
+			dj->fn[i++] = (BYTE)(w >> 8);
+		} else {						/* Single byte char */
+			if (!w || chk_chr("+,;=[]", w)) {	/* Replace illegal chars for SFN */
+				w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */
+			} else {
+				if (IsUpper(w)) {		/* ASCII large capital */
+					b |= 2;
+				} else {
+					if (IsLower(w)) {	/* ASCII small capital */
+						b |= 1; w -= 0x20;
+					}
+				}
+			}
+		}
+		dj->fn[i++] = (BYTE)w;
+	}
+
+	if (dj->fn[0] == DDE) dj->fn[0] = NDDE;	/* If the first char collides with deleted mark, replace it with 0x05 */
+
+	if (ni == 8) b <<= 2;
+	if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03)	/* Create LFN entry when there are composite capitals */
+		cf |= NS_LFN;
+	if (!(cf & NS_LFN)) {						/* When LFN is in 8.3 format without extended char, NT flags are created */
+		if ((b & 0x03) == 0x01) cf |= NS_EXT;	/* NT flag (Extension has only small capital) */
+		if ((b & 0x0C) == 0x04) cf |= NS_BODY;	/* NT flag (Filename has only small capital) */
+	}
+
+	dj->fn[NS] = cf;	/* SFN is created */
+
+	return FR_OK;
+
+
+#else	/* Non-LFN configuration */
+	BYTE b, c, d, *sfn;
+	UINT ni, si, i;
+	const char *p;
+
+	/* Create file name in directory form */
+	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */
+	sfn = dj->fn;
+	mem_set(sfn, ' ', 11);
+	si = i = b = 0; ni = 8;
+#if _FS_RPATH
+	if (p[si] == '.') { /* Is this a dot entry? */
+		for (;;) {
+			c = (BYTE)p[si++];
+			if (c != '.' || si >= 3) break;
+			sfn[i++] = c;
+		}
+		if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
+		*path = &p[si];									/* Return pointer to the next segment */
+		sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;	/* Set last segment flag if end of path */
+		return FR_OK;
+	}
+#endif
+	for (;;) {
+		c = (BYTE)p[si++];
+		if (c <= ' ' || c == '/' || c == '\\') break;	/* Break on end of segment */
+		if (c == '.' || i >= ni) {
+			if (ni != 8 || c != '.') return FR_INVALID_NAME;
+			i = 8; ni = 11;
+			b <<= 2; continue;
+		}
+		if (c >= 0x80) {				/* Extended char? */
+			b |= 3;						/* Eliminate NT flag */
+#ifdef _EXCVT
+			c = excvt[c-0x80];			/* Upper conversion (SBCS) */
+#else
+#if !_DF1S	/* ASCII only cfg */
+			return FR_INVALID_NAME;
+#endif
+#endif
+		}
+		if (IsDBCS1(c)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+			d = (BYTE)p[si++];			/* Get 2nd byte */
+			if (!IsDBCS2(d) || i >= ni - 1)	/* Reject invalid DBC */
+				return FR_INVALID_NAME;
+			sfn[i++] = c;
+			sfn[i++] = d;
+		} else {						/* Single byte code */
+			if (chk_chr("\"*+,:;<=>\?[]|\x7F", c))	/* Reject illegal chrs for SFN */
+				return FR_INVALID_NAME;
+			if (IsUpper(c)) {			/* ASCII large capital? */
+				b |= 2;
+			} else {
+				if (IsLower(c)) {		/* ASCII small capital? */
+					b |= 1; c -= 0x20;
+				}
+			}
+			sfn[i++] = c;
+		}
+	}
+	*path = &p[si];						/* Return pointer to the next segment */
+	c = (c <= ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */
+
+	if (!i) return FR_INVALID_NAME;		/* Reject nul string */
+	if (sfn[0] == DDE) sfn[0] = NDDE;	/* When first char collides with DDE, replace it with 0x05 */
+
+	if (ni == 8) b <<= 2;
+	if ((b & 0x03) == 0x01) c |= NS_EXT;	/* NT flag (Name extension has only small capital) */
+	if ((b & 0x0C) == 0x04) c |= NS_BODY;	/* NT flag (Name body has only small capital) */
+
+	sfn[NS] = c;		/* Store NT flag, File name is created */
+
+	return FR_OK;
+#endif
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get file information from directory entry                             */
+/*-----------------------------------------------------------------------*/
+#if _FS_MINIMIZE <= 1
+static
+void get_fileinfo (		/* No return code */
+	FATFS_DIR *dj,			/* Pointer to the directory object */
+	FILINFO *fno	 	/* Pointer to the file information to be filled */
+)
+{
+	UINT i;
+	BYTE nt, *dir;
+	TCHAR *p, c;
+
+
+	p = fno->fname;
+	if (dj->sect) {
+		dir = dj->dir;
+		nt = dir[DIR_NTres];		/* NT flag */
+		for (i = 0; i < 8; i++) {	/* Copy name body */
+			c = dir[i];
+			if (c == ' ') break;
+			if (c == NDDE) c = (TCHAR)DDE;
+			if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20;
+#if _LFN_UNICODE
+			if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1]))
+				c = (c << 8) | dir[++i];
+			c = ff_convert(c, 1);
+			if (!c) c = '?';
+#endif
+			*p++ = c;
+		}
+		if (dir[8] != ' ') {		/* Copy name extension */
+			*p++ = '.';
+			for (i = 8; i < 11; i++) {
+				c = dir[i];
+				if (c == ' ') break;
+				if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20;
+#if _LFN_UNICODE
+				if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1]))
+					c = (c << 8) | dir[++i];
+				c = ff_convert(c, 1);
+				if (!c) c = '?';
+#endif
+				*p++ = c;
+			}
+		}
+		fno->fattrib = dir[DIR_Attr];				/* Attribute */
+		fno->fsize = LD_DWORD(dir+DIR_FileSize);	/* Size */
+		fno->fdate = LD_WORD(dir+DIR_WrtDate);		/* Date */
+		fno->ftime = LD_WORD(dir+DIR_WrtTime);		/* Time */
+	}
+	*p = 0;		/* Terminate SFN str by a \0 */
+
+#if _USE_LFN
+	if (fno->lfname && fno->lfsize) {
+		TCHAR *tp = fno->lfname;
+		WCHAR w, *lfn;
+
+		i = 0;
+		if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */
+			lfn = dj->lfn;
+			while ((w = *lfn++) != 0) {			/* Get an LFN char */
+#if !_LFN_UNICODE
+				w = ff_convert(w, 0);			/* Unicode -> OEM conversion */
+				if (!w) { i = 0; break; }		/* Could not convert, no LFN */
+				if (_DF1S && w >= 0x100)		/* Put 1st byte if it is a DBC (always false on SBCS cfg) */
+					tp[i++] = (TCHAR)(w >> 8);
+#endif
+				if (i >= fno->lfsize - 1) { i = 0; break; }	/* Buffer overflow, no LFN */
+				tp[i++] = (TCHAR)w;
+			}
+		}
+		tp[i] = 0;	/* Terminate the LFN str by a \0 */
+	}
+#endif
+}
+#endif /* _FS_MINIMIZE <= 1 */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Follow a file path                                                    */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT follow_path (	/* FR_OK(0): successful, !=0: error code */
+	FATFS_DIR *dj,			/* Directory object to return last directory and found object */
+	const TCHAR *path	/* Full-path string to find a file or directory */
+)
+{
+	FRESULT res;
+	BYTE *dir, ns;
+
+
+#if _FS_RPATH
+	if (*path == '/' || *path == '\\') { /* There is a heading separator */
+		path++;	dj->sclust = 0;		/* Strip it and start from the root dir */
+	} else {							/* No heading separator */
+		dj->sclust = dj->fs->cdir;	/* Start from the current dir */
+	}
+#else
+	if (*path == '/' || *path == '\\')	/* Strip heading separator if exist */
+		path++;
+	dj->sclust = 0;						/* Start from the root dir */
+#endif
+
+	if ((UINT)*path < ' ') {			/* Nul path means the start directory itself */
+		res = dir_sdi(dj, 0);
+		dj->dir = 0;
+
+	} else {							/* Follow path */
+		for (;;) {
+			res = create_name(dj, &path);	/* Get a segment */
+			if (res != FR_OK) break;
+			res = dir_find(dj);				/* Find it */
+			ns = *(dj->fn+NS);
+			if (res != FR_OK) {				/* Failed to find the object */
+				if (res != FR_NO_FILE) break;	/* Abort if any hard error occured */
+				/* Object not found */
+				if (_FS_RPATH && (ns & NS_DOT)) {	/* If dot entry is not exit */
+					dj->sclust = 0; dj->dir = 0;	/* It is the root dir */
+					res = FR_OK;
+					if (!(ns & NS_LAST)) continue;
+				} else {							/* Could not find the object */
+					if (!(ns & NS_LAST)) res = FR_NO_PATH;
+				}
+				break;
+			}
+			if (ns & NS_LAST) break;			/* Last segment match. Function completed. */
+			dir = dj->dir;						/* There is next segment. Follow the sub directory */
+			if (!(dir[DIR_Attr] & AM_DIR)) {	/* Cannot follow because it is a file */
+				res = FR_NO_PATH; break;
+			}
+			dj->sclust = LD_CLUST(dir);
+		}
+	}
+
+	return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Load a sector and check if it is an FAT Volume Boot Record            */
+/*-----------------------------------------------------------------------*/
+
+static
+BYTE check_fs (	/* 0:FAT-VBR, 1:Valid BR but not FAT, 2:Not a BR, 3:Disk error */
+	FATFS *fs,	/* File system object */
+	DWORD sect	/* Sector# (lba) to check if it is an FAT boot record or not */
+)
+{
+	if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK)	/* Load boot record */
+		return 3;
+	if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55)		/* Check record signature (always placed at offset 510 even if the sector size is >512) */
+		return 2;
+
+	if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146)	/* Check "FAT" string */
+		return 0;
+	if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146)
+		return 0;
+
+	return 1;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check if the file system object is valid or not                       */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT chk_mounted (	/* FR_OK(0): successful, !=0: any error occurred */
+	const TCHAR **path,	/* Pointer to pointer to the path name (drive number) */
+	FATFS **rfs,		/* Pointer to pointer to the found file system object */
+	BYTE chk_wp			/* !=0: Check media write protection for write access */
+)
+{
+	BYTE fmt, b, pi, *tbl;
+	UINT vol;
+	DSTATUS stat;
+	DWORD bsect, fasize, tsect, sysect, nclst, szbfat;
+	WORD nrsv;
+	const TCHAR *p = *path;
+	FATFS *fs;
+
+	/* Get logical drive number from the path name */
+	vol = p[0] - '0';					/* Is there a drive number? */
+	if (vol <= 9 && p[1] == ':') {		/* Found a drive number, get and strip it */
+		p += 2; *path = p;				/* Return pointer to the path name */
+	} else {							/* No drive number is given */
+#if _FS_RPATH
+		vol = CurrVol;					/* Use current drive */
+#else
+		vol = 0;						/* Use drive 0 */
+#endif
+	}
+
+	/* Check if the file system object is valid or not */
+	if (vol >= _VOLUMES) 				/* Is the drive number valid? */
+		return FR_INVALID_DRIVE;
+	*rfs = fs = FatFs[vol];				/* Return pointer to the corresponding file system object */
+	if (!fs) return FR_NOT_ENABLED;		/* Is the file system object available? */
+
+	ENTER_FF(fs);						/* Lock file system */
+
+	if (fs->fs_type) {					/* If the logical drive has been mounted */
+		stat = disk_status(fs->drv);
+		if (!(stat & STA_NOINIT)) {		/* and the physical drive is kept initialized (has not been changed), */
+			if (!_FS_READONLY && chk_wp && (stat & STA_PROTECT))	/* Check write protection if needed */
+				return FR_WRITE_PROTECTED;
+			return FR_OK;				/* The file system object is valid */
+		}
+	}
+
+	/* The file system object is not valid. */
+	/* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */
+
+	fs->fs_type = 0;					/* Clear the file system object */
+	fs->drv = LD2PD(vol);				/* Bind the logical drive and a physical drive */
+	stat = disk_initialize(fs->drv);	/* Initialize low level disk I/O layer */
+	if (stat & STA_NOINIT)				/* Check if the initialization succeeded */
+		return FR_NOT_READY;			/* Failed to initialize due to no media or hard error */
+	if (!_FS_READONLY && chk_wp && (stat & STA_PROTECT))	/* Check disk write protection if needed */
+		return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512						/* Get disk sector size (variable sector size cfg only) */
+	if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
+		return FR_DISK_ERR;
+#endif
+	/* Search FAT partition on the drive. Supports only generic partitionings, FDISK and SFD. */
+	fmt = check_fs(fs, bsect = 0);		/* Load sector 0 and check if it is an FAT-VBR (in SFD) */
+	if (LD2PT(vol) && !fmt) fmt = 1;	/* Force non-SFD if the volume is forced partition */
+	if (fmt == 1) {						/* Not an FAT-VBR, the physical drive can be partitioned */
+		/* Check the partition listed in the partition table */
+		pi = LD2PT(vol);
+		if (pi) pi--;
+		tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* Partition table */
+		if (tbl[4]) {						/* Is the partition existing? */
+			bsect = LD_DWORD(&tbl[8]);		/* Partition offset in LBA */
+			fmt = check_fs(fs, bsect);		/* Check the partition */
+		}
+	}
+	if (fmt == 3) return FR_DISK_ERR;
+	if (fmt) return FR_NO_FILESYSTEM;		/* No FAT volume is found */
+
+	/* An FAT volume is found. Following code initializes the file system object */
+
+	if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs))		/* (BPB_BytsPerSec must be equal to the physical sector size) */
+		return FR_NO_FILESYSTEM;
+
+	fasize = LD_WORD(fs->win+BPB_FATSz16);				/* Number of sectors per FAT */
+	if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);
+	fs->fsize = fasize;
+
+	fs->n_fats = b = fs->win[BPB_NumFATs];				/* Number of FAT copies */
+	if (b != 1 && b != 2) return FR_NO_FILESYSTEM;		/* (Must be 1 or 2) */
+	fasize *= b;										/* Number of sectors for FAT area */
+
+	fs->csize = b = fs->win[BPB_SecPerClus];			/* Number of sectors per cluster */
+	if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM;	/* (Must be power of 2) */
+
+	fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);	/* Number of root directory entries */
+	if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM;	/* (BPB_RootEntCnt must be sector aligned) */
+
+	tsect = LD_WORD(fs->win+BPB_TotSec16);				/* Number of sectors on the volume */
+	if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32);
+
+	nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt);				/* Number of reserved sectors */
+	if (!nrsv) return FR_NO_FILESYSTEM;					/* (BPB_RsvdSecCnt must not be 0) */
+
+	/* Determine the FAT sub type */
+	sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR);	/* RSV+FAT+FATFS_DIR */
+	if (tsect < sysect) return FR_NO_FILESYSTEM;		/* (Invalid volume size) */
+	nclst = (tsect - sysect) / fs->csize;				/* Number of clusters */
+	if (!nclst) return FR_NO_FILESYSTEM;				/* (Invalid volume size) */
+	fmt = FS_FAT12;
+	if (nclst >= MIN_FAT16) fmt = FS_FAT16;
+	if (nclst >= MIN_FAT32) fmt = FS_FAT32;
+
+	/* Boundaries and Limits */
+	fs->n_fatent = nclst + 2;							/* Number of FAT entries */
+	fs->database = bsect + sysect;						/* Data start sector */
+	fs->fatbase = bsect + nrsv; 						/* FAT start sector */
+	if (fmt == FS_FAT32) {
+		if (fs->n_rootdir) return FR_NO_FILESYSTEM;		/* (BPB_RootEntCnt must be 0) */
+		fs->dirbase = LD_DWORD(fs->win+BPB_RootClus);	/* Root directory start cluster */
+		szbfat = fs->n_fatent * 4;						/* (Required FAT size) */
+	} else {
+		if (!fs->n_rootdir)	return FR_NO_FILESYSTEM;	/* (BPB_RootEntCnt must not be 0) */
+		fs->dirbase = fs->fatbase + fasize;				/* Root directory start sector */
+		szbfat = (fmt == FS_FAT16) ?					/* (Required FAT size) */
+			fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
+	}
+	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))	/* (BPB_FATSz must not be less than required) */
+		return FR_NO_FILESYSTEM;
+
+#if !_FS_READONLY
+	/* Initialize cluster allocation information */
+	fs->free_clust = 0xFFFFFFFF;
+	fs->last_clust = 0;
+
+	/* Get fsinfo if available */
+	if (fmt == FS_FAT32) {
+	 	fs->fsi_flag = 0;
+		fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo);
+		if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK &&
+			LD_WORD(fs->win+BS_55AA) == 0xAA55 &&
+			LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 &&
+			LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) {
+				fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);
+				fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);
+		}
+	}
+#endif
+	fs->fs_type = fmt;		/* FAT sub-type */
+	fs->id = ++Fsid;		/* File system mount ID */
+	fs->winsect = 0;		/* Invalidate sector cache */
+	fs->wflag = 0;
+#if _FS_RPATH
+	fs->cdir = 0;			/* Current directory (root dir) */
+#endif
+#if _FS_SHARE				/* Clear file lock semaphores */
+	clear_lock(fs);
+#endif
+
+	return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check if the file/dir object is valid or not                          */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT validate (	/* FR_OK(0): The object is valid, !=0: Invalid */
+	FATFS *fs,		/* Pointer to the file system object */
+	WORD id			/* Member id of the target object to be checked */
+)
+{
+	if (!fs || !fs->fs_type || fs->id != id)
+		return FR_INVALID_OBJECT;
+
+	ENTER_FF(fs);		/* Lock file system */
+
+	if (disk_status(fs->drv) & STA_NOINIT)
+		return FR_NOT_READY;
+
+	return FR_OK;
+}
+
+
+
+
+/*--------------------------------------------------------------------------
+
+   Public Functions
+
+--------------------------------------------------------------------------*/
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Mount/Unmount a Logical Drive                                         */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_mount (
+	BYTE vol,		/* Logical drive number to be mounted/unmounted */
+	FATFS *fs		/* Pointer to new file system object (NULL for unmount)*/
+)
+{
+	FATFS *rfs;
+
+
+	if (vol >= _VOLUMES)		/* Check if the drive number is valid */
+		return FR_INVALID_DRIVE;
+	rfs = FatFs[vol];			/* Get current fs object */
+
+	if (rfs) {
+#if _FS_SHARE
+		clear_lock(rfs);
+#endif
+#if _FS_REENTRANT				/* Discard sync object of the current volume */
+		if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR;
+#endif
+		rfs->fs_type = 0;		/* Clear old fs object */
+	}
+
+	if (fs) {
+		fs->fs_type = 0;		/* Clear new fs object */
+#if _FS_REENTRANT				/* Create sync object for the new volume */
+		if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR;
+#endif
+	}
+	FatFs[vol] = fs;			/* Register new fs object */
+
+	return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Open or Create a File                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_open (
+	FIL *fp,			/* Pointer to the blank file object */
+	const TCHAR *path,	/* Pointer to the file name */
+	BYTE mode			/* Access mode and file open mode flags */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	BYTE *dir;
+	DEF_NAMEBUF;
+
+
+	fp->fs = 0;			/* Clear file object */
+
+#if !_FS_READONLY
+	mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;
+	res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ));
+#else
+	mode &= FA_READ;
+	res = chk_mounted(&path, &dj.fs, 0);
+#endif
+	INIT_BUF(dj);
+	if (res == FR_OK)
+		res = follow_path(&dj, path);	/* Follow the file path */
+	dir = dj.dir;
+
+#if !_FS_READONLY	/* R/W configuration */
+	if (res == FR_OK) {
+		if (!dir)	/* Current dir itself */
+			res = FR_INVALID_NAME;
+#if _FS_SHARE
+		else
+			res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+#endif
+	}
+	/* Create or Open a file */
+	if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) {
+		DWORD dw, cl;
+
+		if (res != FR_OK) {					/* No file, create new */
+			if (res == FR_NO_FILE)			/* There is no file to open, create a new entry */
+#if _FS_SHARE
+				res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
+#else
+				res = dir_register(&dj);
+#endif
+			mode |= FA_CREATE_ALWAYS;		/* File is created */
+			dir = dj.dir;					/* New entry */
+		}
+		else {								/* Any object is already existing */
+			if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) {	/* Cannot overwrite it (R/O or FATFS_DIR) */
+				res = FR_DENIED;
+			} else {
+				if (mode & FA_CREATE_NEW)	/* Cannot create as new file */
+					res = FR_EXIST;
+			}
+		}
+		if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) {	/* Truncate it if overwrite mode */
+			dw = get_fattime();					/* Created time */
+			ST_DWORD(dir+DIR_CrtTime, dw);
+			dir[DIR_Attr] = 0;					/* Reset attribute */
+			ST_DWORD(dir+DIR_FileSize, 0);		/* size = 0 */
+			cl = LD_CLUST(dir);					/* Get start cluster */
+			ST_CLUST(dir, 0);					/* cluster = 0 */
+			dj.fs->wflag = 1;
+			if (cl) {							/* Remove the cluster chain if exist */
+				dw = dj.fs->winsect;
+				res = remove_chain(dj.fs, cl);
+				if (res == FR_OK) {
+					dj.fs->last_clust = cl - 1;	/* Reuse the cluster hole */
+					res = move_window(dj.fs, dw);
+				}
+			}
+		}
+	}
+	else {	/* Open an existing file */
+		if (res == FR_OK) {						/* Follow succeeded */
+			if (dir[DIR_Attr] & AM_DIR) {		/* It is a directory */
+				res = FR_NO_FILE;
+			} else {
+				if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
+					res = FR_DENIED;
+			}
+		}
+	}
+	if (res == FR_OK) {
+		if (mode & FA_CREATE_ALWAYS)			/* Set file change flag if created or overwritten */
+			mode |= FA__WRITTEN;
+		fp->dir_sect = dj.fs->winsect;			/* Pointer to the directory entry */
+		fp->dir_ptr = dir;
+#if _FS_SHARE
+		fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+		if (!fp->lockid) res = FR_INT_ERR;
+#endif
+	}
+
+#else				/* R/O configuration */
+	if (res == FR_OK) {					/* Follow succeeded */
+		if (!dir) {						/* Current dir itself */
+			res = FR_INVALID_NAME;
+		} else {
+			if (dir[DIR_Attr] & AM_DIR)	/* It is a directory */
+				res = FR_NO_FILE;
+		}
+	}
+#endif
+	FREE_BUF();
+
+	if (res == FR_OK) {
+		fp->flag = mode;					/* File access mode */
+		fp->sclust = LD_CLUST(dir);			/* File start cluster */
+		fp->fsize = LD_DWORD(dir+DIR_FileSize);	/* File size */
+		fp->fptr = 0;						/* File pointer */
+		fp->dsect = 0;
+#if _USE_FASTSEEK
+		fp->cltbl = 0;						/* Normal seek mode */
+#endif
+		fp->fs = dj.fs; fp->id = dj.fs->id;	/* Validate file object */
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read File                                                             */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_read (
+	FIL *fp, 		/* Pointer to the file object */
+	void *buff,		/* Pointer to data buffer */
+	UINT btr,		/* Number of bytes to read */
+	UINT *br		/* Pointer to number of bytes read */
+)
+{
+	FRESULT res;
+	DWORD clst, sect, remain;
+	UINT rcnt, cc;
+	BYTE csect, *rbuff = (BYTE*)buff;
+
+
+	*br = 0;	/* Initialize byte counter */
+
+	res = validate(fp->fs, fp->id);				/* Check validity */
+	if (res != FR_OK) LEAVE_FF(fp->fs, res);
+	if (fp->flag & FA__ERROR)					/* Aborted file? */
+		LEAVE_FF(fp->fs, FR_INT_ERR);
+	if (!(fp->flag & FA_READ)) 					/* Check access mode */
+		LEAVE_FF(fp->fs, FR_DENIED);
+	remain = fp->fsize - fp->fptr;
+	if (btr > remain) btr = (UINT)remain;		/* Truncate btr by remaining bytes */
+
+	for ( ;  btr;								/* Repeat until all data read */
+		rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
+		if ((fp->fptr % SS(fp->fs)) == 0) {		/* On the sector boundary? */
+			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */
+			if (!csect) {						/* On the cluster boundary? */
+				if (fp->fptr == 0) {			/* On the top of the file? */
+					clst = fp->sclust;			/* Follow from the origin */
+				} else {						/* Middle or end of the file */
+#if _USE_FASTSEEK
+					if (fp->cltbl)
+						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
+					else
+#endif
+						clst = get_fat(fp->fs, fp->clust);	/* Follow cluster chain on the FAT */
+				}
+				if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
+				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+				fp->clust = clst;				/* Update current cluster */
+			}
+			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */
+			if (!sect) ABORT(fp->fs, FR_INT_ERR);
+			sect += csect;
+			cc = btr / SS(fp->fs);				/* When remaining bytes >= sector size, */
+			if (cc) {							/* Read maximum contiguous sectors directly */
+				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */
+					cc = fp->fs->csize - csect;
+				if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK)
+					ABORT(fp->fs, FR_DISK_ERR);
+#if !_FS_READONLY && _FS_MINIMIZE <= 2			/* Replace one of the read sectors with cached data if it contains a dirty sector */
+#if _FS_TINY
+				if (fp->fs->wflag && fp->fs->winsect - sect < cc)
+					mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));
+#else
+				if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
+					mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
+#endif
+#endif
+				rcnt = SS(fp->fs) * cc;			/* Number of bytes transferred */
+				continue;
+			}
+#if !_FS_TINY
+			if (fp->dsect != sect) {			/* Load data sector if not in cache */
+#if !_FS_READONLY
+				if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */
+					if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+						ABORT(fp->fs, FR_DISK_ERR);
+					fp->flag &= ~FA__DIRTY;
+				}
+#endif
+				if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)	/* Fill sector cache */
+					ABORT(fp->fs, FR_DISK_ERR);
+			}
+#endif
+			fp->dsect = sect;
+		}
+		rcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs));	/* Get partial sector data from sector buffer */
+		if (rcnt > btr) rcnt = btr;
+#if _FS_TINY
+		if (move_window(fp->fs, fp->dsect))		/* Move sector window */
+			ABORT(fp->fs, FR_DISK_ERR);
+		mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */
+#else
+		mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */
+#endif
+	}
+
+	LEAVE_FF(fp->fs, FR_OK);
+}
+
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Write File                                                            */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_write (
+	FIL *fp,			/* Pointer to the file object */
+	const void *buff,	/* Pointer to the data to be written */
+	UINT btw,			/* Number of bytes to write */
+	UINT *bw			/* Pointer to number of bytes written */
+)
+{
+	FRESULT res;
+	DWORD clst, sect;
+	UINT wcnt, cc;
+	const BYTE *wbuff = (const BYTE*)buff;
+	BYTE csect;
+
+
+	*bw = 0;	/* Initialize byte counter */
+
+	res = validate(fp->fs, fp->id);			/* Check validity */
+	if (res != FR_OK) LEAVE_FF(fp->fs, res);
+	if (fp->flag & FA__ERROR)				/* Aborted file? */
+		LEAVE_FF(fp->fs, FR_INT_ERR);
+	if (!(fp->flag & FA_WRITE))				/* Check access mode */
+		LEAVE_FF(fp->fs, FR_DENIED);
+	if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0;	/* File size cannot reach 4GB */
+
+	for ( ;  btw;							/* Repeat until all data written */
+		wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
+		if ((fp->fptr % SS(fp->fs)) == 0) {	/* On the sector boundary? */
+			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */
+			if (!csect) {					/* On the cluster boundary? */
+				if (fp->fptr == 0) {		/* On the top of the file? */
+					clst = fp->sclust;		/* Follow from the origin */
+					if (clst == 0)			/* When no cluster is allocated, */
+						fp->sclust = clst = create_chain(fp->fs, 0);	/* Create a new cluster chain */
+				} else {					/* Middle or end of the file */
+#if _USE_FASTSEEK
+					if (fp->cltbl)
+						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
+					else
+#endif
+						clst = create_chain(fp->fs, fp->clust);	/* Follow or stretch cluster chain on the FAT */
+				}
+				if (clst == 0) break;		/* Could not allocate a new cluster (disk full) */
+				if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+				fp->clust = clst;			/* Update current cluster */
+			}
+#if _FS_TINY
+			if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0))	/* Write-back sector cache */
+				ABORT(fp->fs, FR_DISK_ERR);
+#else
+			if (fp->flag & FA__DIRTY) {		/* Write-back sector cache */
+				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+					ABORT(fp->fs, FR_DISK_ERR);
+				fp->flag &= ~FA__DIRTY;
+			}
+#endif
+			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */
+			if (!sect) ABORT(fp->fs, FR_INT_ERR);
+			sect += csect;
+			cc = btw / SS(fp->fs);			/* When remaining bytes >= sector size, */
+			if (cc) {						/* Write maximum contiguous sectors directly */
+				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */
+					cc = fp->fs->csize - csect;
+				if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK)
+					ABORT(fp->fs, FR_DISK_ERR);
+#if _FS_TINY
+				if (fp->fs->winsect - sect < cc) {	/* Refill sector cache if it gets invalidated by the direct write */
+					mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
+					fp->fs->wflag = 0;
+				}
+#else
+				if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
+					mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
+					fp->flag &= ~FA__DIRTY;
+				}
+#endif
+				wcnt = SS(fp->fs) * cc;		/* Number of bytes transferred */
+				continue;
+			}
+#if _FS_TINY
+			if (fp->fptr >= fp->fsize) {	/* Avoid silly cache filling at growing edge */
+				if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR);
+				fp->fs->winsect = sect;
+			}
+#else
+			if (fp->dsect != sect) {		/* Fill sector cache with file data */
+				if (fp->fptr < fp->fsize &&
+					disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
+						ABORT(fp->fs, FR_DISK_ERR);
+			}
+#endif
+			fp->dsect = sect;
+		}
+		wcnt = SS(fp->fs) - (fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */
+		if (wcnt > btw) wcnt = btw;
+#if _FS_TINY
+		if (move_window(fp->fs, fp->dsect))	/* Move sector window */
+			ABORT(fp->fs, FR_DISK_ERR);
+		mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */
+		fp->fs->wflag = 1;
+#else
+		mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */
+		fp->flag |= FA__DIRTY;
+#endif
+	}
+
+	if (fp->fptr > fp->fsize) fp->fsize = fp->fptr;	/* Update file size if needed */
+	fp->flag |= FA__WRITTEN;						/* Set file change flag */
+
+	LEAVE_FF(fp->fs, FR_OK);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Synchronize the File Object                                           */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_sync (
+	FIL *fp		/* Pointer to the file object */
+)
+{
+	FRESULT res;
+	DWORD tim;
+	BYTE *dir;
+
+
+	res = validate(fp->fs, fp->id);		/* Check validity of the object */
+	if (res == FR_OK) {
+		if (fp->flag & FA__WRITTEN) {	/* Has the file been written? */
+#if !_FS_TINY	/* Write-back dirty buffer */
+			if (fp->flag & FA__DIRTY) {
+				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+					LEAVE_FF(fp->fs, FR_DISK_ERR);
+				fp->flag &= ~FA__DIRTY;
+			}
+#endif
+			/* Update the directory entry */
+			res = move_window(fp->fs, fp->dir_sect);
+			if (res == FR_OK) {
+				dir = fp->dir_ptr;
+				dir[DIR_Attr] |= AM_ARC;					/* Set archive bit */
+				ST_DWORD(dir+DIR_FileSize, fp->fsize);		/* Update file size */
+				ST_CLUST(dir, fp->sclust);					/* Update start cluster */
+				tim = get_fattime();						/* Update updated time */
+				ST_DWORD(dir+DIR_WrtTime, tim);
+				fp->flag &= ~FA__WRITTEN;
+				fp->fs->wflag = 1;
+				res = sync(fp->fs);
+			}
+		}
+	}
+
+	LEAVE_FF(fp->fs, res);
+}
+
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Close File                                                            */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_close (
+	FIL *fp		/* Pointer to the file object to be closed */
+)
+{
+	FRESULT res;
+
+#if _FS_READONLY
+	FATFS *fs = fp->fs;
+	res = validate(fs, fp->id);
+	if (res == FR_OK) fp->fs = 0;	/* Discard file object */
+	LEAVE_FF(fs, res);
+
+#else
+	res = f_sync(fp);		/* Flush cached data */
+#if _FS_SHARE
+	if (res == FR_OK) {		/* Decrement open counter */
+#if _FS_REENTRANT
+		res = validate(fp->fs, fp->id);
+		if (res == FR_OK) {
+			res = dec_lock(fp->lockid);	
+			unlock_fs(fp->fs, FR_OK);
+		}
+#else
+		res = dec_lock(fp->lockid);
+#endif
+	}
+#endif
+	if (res == FR_OK) fp->fs = 0;	/* Discard file object */
+	return res;
+#endif
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Current Drive/Directory Handlings                                     */
+/*-----------------------------------------------------------------------*/
+
+#if _FS_RPATH >= 1
+
+FRESULT f_chdrive (
+	BYTE drv		/* Drive number */
+)
+{
+	if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+
+	CurrVol = drv;
+
+	return FR_OK;
+}
+
+
+
+FRESULT f_chdir (
+	const TCHAR *path	/* Pointer to the directory path */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj.fs, 0);
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		res = follow_path(&dj, path);		/* Follow the path */
+		FREE_BUF();
+		if (res == FR_OK) {					/* Follow completed */
+			if (!dj.dir) {
+				dj.fs->cdir = dj.sclust;	/* Start directory itself */
+			} else {
+				if (dj.dir[DIR_Attr] & AM_DIR)	/* Reached to the directory */
+					dj.fs->cdir = LD_CLUST(dj.dir);
+				else
+					res = FR_NO_PATH;		/* Reached but a file */
+			}
+		}
+		if (res == FR_NO_FILE) res = FR_NO_PATH;
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+
+
+#if _FS_RPATH >= 2
+FRESULT f_getcwd (
+	TCHAR *path,	/* Pointer to the directory path */
+	UINT sz_path	/* Size of path */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	UINT i, n;
+	DWORD ccl;
+	TCHAR *tp;
+	FILINFO fno;
+	DEF_NAMEBUF;
+
+
+	*path = 0;
+	res = chk_mounted((const TCHAR**)&path, &dj.fs, 0);	/* Get current volume */
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		i = sz_path;		/* Bottom of buffer (dir stack base) */
+		dj.sclust = dj.fs->cdir;			/* Start to follow upper dir from current dir */
+		while ((ccl = dj.sclust) != 0) {	/* Repeat while current dir is a sub-dir */
+			res = dir_sdi(&dj, 1);			/* Get parent dir */
+			if (res != FR_OK) break;
+			res = dir_read(&dj);
+			if (res != FR_OK) break;
+			dj.sclust = LD_CLUST(dj.dir);	/* Goto parent dir */
+			res = dir_sdi(&dj, 0);
+			if (res != FR_OK) break;
+			do {							/* Find the entry links to the child dir */
+				res = dir_read(&dj);
+				if (res != FR_OK) break;
+				if (ccl == LD_CLUST(dj.dir)) break;	/* Found the entry */
+				res = dir_next(&dj, 0);	
+			} while (res == FR_OK);
+			if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
+			if (res != FR_OK) break;
+#if _USE_LFN
+			fno.lfname = path;
+			fno.lfsize = i;
+#endif
+			get_fileinfo(&dj, &fno);		/* Get the dir name and push it to the buffer */
+			tp = fno.fname;
+			if (_USE_LFN && *path) tp = path;
+			for (n = 0; tp[n]; n++) ;
+			if (i < n + 3) {
+				res = FR_NOT_ENOUGH_CORE; break;
+			}
+			while (n) path[--i] = tp[--n];
+			path[--i] = '/';
+		}
+		tp = path;
+		if (res == FR_OK) {
+			*tp++ = '0' + CurrVol;			/* Put drive number */
+			*tp++ = ':';
+			if (i == sz_path) {				/* Root-dir */
+				*tp++ = '/';
+			} else {						/* Sub-dir */
+				do		/* Add stacked path str */
+					*tp++ = path[i++];
+				while (i < sz_path);
+			}
+		}
+		*tp = 0;
+		FREE_BUF();
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+#endif /* _FS_RPATH >= 2 */
+#endif /* _FS_RPATH >= 1 */
+
+
+
+#if _FS_MINIMIZE <= 2
+/*-----------------------------------------------------------------------*/
+/* Seek File R/W Pointer                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_lseek (
+	FIL *fp,		/* Pointer to the file object */
+	DWORD ofs		/* File pointer from top of file */
+)
+{
+	FRESULT res;
+
+
+	res = validate(fp->fs, fp->id);		/* Check validity of the object */
+	if (res != FR_OK) LEAVE_FF(fp->fs, res);
+	if (fp->flag & FA__ERROR)			/* Check abort flag */
+		LEAVE_FF(fp->fs, FR_INT_ERR);
+
+#if _USE_FASTSEEK
+	if (fp->cltbl) {	/* Fast seek */
+		DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
+
+		if (ofs == CREATE_LINKMAP) {	/* Create CLMT */
+			tbl = fp->cltbl;
+			tlen = *tbl++; ulen = 2;	/* Given table size and required table size */
+			cl = fp->sclust;			/* Top of the chain */
+			if (cl) {
+				do {
+					/* Get a fragment */
+					tcl = cl; ncl = 0; ulen += 2;	/* Top, length and used items */
+					do {
+						pcl = cl; ncl++;
+						cl = get_fat(fp->fs, cl);
+						if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
+						if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+					} while (cl == pcl + 1);
+					if (ulen <= tlen) {		/* Store the length and top of the fragment */
+						*tbl++ = ncl; *tbl++ = tcl;
+					}
+				} while (cl < fp->fs->n_fatent);	/* Repeat until end of chain */
+			}
+			*fp->cltbl = ulen;	/* Number of items used */
+			if (ulen <= tlen)
+				*tbl = 0;		/* Terminate table */
+			else
+				res = FR_NOT_ENOUGH_CORE;	/* Given table size is smaller than required */
+
+		} else {						/* Fast seek */
+			if (ofs > fp->fsize)		/* Clip offset at the file size */
+				ofs = fp->fsize;
+			fp->fptr = ofs;				/* Set file pointer */
+			if (ofs) {
+				fp->clust = clmt_clust(fp, ofs - 1);
+				dsc = clust2sect(fp->fs, fp->clust);
+				if (!dsc) ABORT(fp->fs, FR_INT_ERR);
+				dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
+				if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {	/* Refill sector cache if needed */
+#if !_FS_TINY
+#if !_FS_READONLY
+					if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */
+						if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+							ABORT(fp->fs, FR_DISK_ERR);
+						fp->flag &= ~FA__DIRTY;
+					}
+#endif
+					if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK)	/* Load current sector */
+						ABORT(fp->fs, FR_DISK_ERR);
+#endif
+					fp->dsect = dsc;
+				}
+			}
+		}
+	} else
+#endif
+
+	/* Normal Seek */
+	{
+		DWORD clst, bcs, nsect, ifptr;
+
+		if (ofs > fp->fsize					/* In read-only mode, clip offset with the file size */
+#if !_FS_READONLY
+			 && !(fp->flag & FA_WRITE)
+#endif
+			) ofs = fp->fsize;
+
+		ifptr = fp->fptr;
+		fp->fptr = nsect = 0;
+		if (ofs) {
+			bcs = (DWORD)fp->fs->csize * SS(fp->fs);	/* Cluster size (byte) */
+			if (ifptr > 0 &&
+				(ofs - 1) / bcs >= (ifptr - 1) / bcs) {	/* When seek to same or following cluster, */
+				fp->fptr = (ifptr - 1) & ~(bcs - 1);	/* start from the current cluster */
+				ofs -= fp->fptr;
+				clst = fp->clust;
+			} else {									/* When seek to back cluster, */
+				clst = fp->sclust;						/* start from the first cluster */
+#if !_FS_READONLY
+				if (clst == 0) {						/* If no cluster chain, create a new chain */
+					clst = create_chain(fp->fs, 0);
+					if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+					fp->sclust = clst;
+				}
+#endif
+				fp->clust = clst;
+			}
+			if (clst != 0) {
+				while (ofs > bcs) {						/* Cluster following loop */
+#if !_FS_READONLY
+					if (fp->flag & FA_WRITE) {			/* Check if in write mode or not */
+						clst = create_chain(fp->fs, clst);	/* Force stretch if in write mode */
+						if (clst == 0) {				/* When disk gets full, clip file size */
+							ofs = bcs; break;
+						}
+					} else
+#endif
+						clst = get_fat(fp->fs, clst);	/* Follow cluster chain if not in write mode */
+					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+					if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
+					fp->clust = clst;
+					fp->fptr += bcs;
+					ofs -= bcs;
+				}
+				fp->fptr += ofs;
+				if (ofs % SS(fp->fs)) {
+					nsect = clust2sect(fp->fs, clst);	/* Current sector */
+					if (!nsect) ABORT(fp->fs, FR_INT_ERR);
+					nsect += ofs / SS(fp->fs);
+				}
+			}
+		}
+		if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {	/* Fill sector cache if needed */
+#if !_FS_TINY
+#if !_FS_READONLY
+			if (fp->flag & FA__DIRTY) {			/* Write-back dirty sector cache */
+				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+					ABORT(fp->fs, FR_DISK_ERR);
+				fp->flag &= ~FA__DIRTY;
+			}
+#endif
+			if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK)	/* Fill sector cache */
+				ABORT(fp->fs, FR_DISK_ERR);
+#endif
+			fp->dsect = nsect;
+		}
+#if !_FS_READONLY
+		if (fp->fptr > fp->fsize) {			/* Set file change flag if the file size is extended */
+			fp->fsize = fp->fptr;
+			fp->flag |= FA__WRITTEN;
+		}
+#endif
+	}
+
+	LEAVE_FF(fp->fs, res);
+}
+
+
+
+#if _FS_MINIMIZE <= 1
+/*-----------------------------------------------------------------------*/
+/* Create a Directroy Object                                             */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_opendir (
+	FATFS_DIR *dj,			/* Pointer to directory object to create */
+	const TCHAR *path	/* Pointer to the directory path */
+)
+{
+	FRESULT res;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj->fs, 0);
+	if (res == FR_OK) {
+		INIT_BUF(*dj);
+		res = follow_path(dj, path);			/* Follow the path to the directory */
+		FREE_BUF();
+		if (res == FR_OK) {						/* Follow completed */
+			if (dj->dir) {						/* It is not the root dir */
+				if (dj->dir[DIR_Attr] & AM_DIR) {	/* The object is a directory */
+					dj->sclust = LD_CLUST(dj->dir);
+				} else {						/* The object is not a directory */
+					res = FR_NO_PATH;
+				}
+			}
+			if (res == FR_OK) {
+				dj->id = dj->fs->id;
+				res = dir_sdi(dj, 0);			/* Rewind dir */
+			}
+		}
+		if (res == FR_NO_FILE) res = FR_NO_PATH;
+	}
+
+	LEAVE_FF(dj->fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Directory Entry in Sequense                                      */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_readdir (
+	FATFS_DIR *dj,			/* Pointer to the open directory object */
+	FILINFO *fno		/* Pointer to file information to return */
+)
+{
+	FRESULT res;
+	DEF_NAMEBUF;
+
+
+	res = validate(dj->fs, dj->id);			/* Check validity of the object */
+	if (res == FR_OK) {
+		if (!fno) {
+			res = dir_sdi(dj, 0);			/* Rewind the directory object */
+		} else {
+			INIT_BUF(*dj);
+			res = dir_read(dj);				/* Read an directory item */
+			if (res == FR_NO_FILE) {		/* Reached end of dir */
+				dj->sect = 0;
+				res = FR_OK;
+			}
+			if (res == FR_OK) {				/* A valid entry is found */
+				get_fileinfo(dj, fno);		/* Get the object information */
+				res = dir_next(dj, 0);		/* Increment index for next */
+				if (res == FR_NO_FILE) {
+					dj->sect = 0;
+					res = FR_OK;
+				}
+			}
+			FREE_BUF();
+		}
+	}
+
+	LEAVE_FF(dj->fs, res);
+}
+
+
+
+#if _FS_MINIMIZE == 0
+/*-----------------------------------------------------------------------*/
+/* Get File Status                                                       */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_stat (
+	const TCHAR *path,	/* Pointer to the file path */
+	FILINFO *fno		/* Pointer to file information to return */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj.fs, 0);
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		res = follow_path(&dj, path);	/* Follow the file path */
+		if (res == FR_OK) {				/* Follow completed */
+			if (dj.dir)		/* Found an object */
+				get_fileinfo(&dj, fno);
+			else			/* It is root dir */
+				res = FR_INVALID_NAME;
+		}
+		FREE_BUF();
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Get Number of Free Clusters                                           */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_getfree (
+	const TCHAR *path,	/* Pointer to the logical drive number (root dir) */
+	DWORD *nclst,		/* Pointer to the variable to return number of free clusters */
+	FATFS **fatfs		/* Pointer to pointer to corresponding file system object to return */
+)
+{
+	FRESULT res;
+	DWORD n, clst, sect, stat;
+	UINT i;
+	BYTE fat, *p;
+
+
+	/* Get drive number */
+	res = chk_mounted(&path, fatfs, 0);
+	if (res == FR_OK) {
+		/* If free_clust is valid, return it without full cluster scan */
+		if ((*fatfs)->free_clust <= (*fatfs)->n_fatent - 2) {
+			*nclst = (*fatfs)->free_clust;
+		} else {
+			/* Get number of free clusters */
+			fat = (*fatfs)->fs_type;
+			n = 0;
+			if (fat == FS_FAT12) {
+				clst = 2;
+				do {
+					stat = get_fat(*fatfs, clst);
+					if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
+					if (stat == 1) { res = FR_INT_ERR; break; }
+					if (stat == 0) n++;
+				} while (++clst < (*fatfs)->n_fatent);
+			} else {
+				clst = (*fatfs)->n_fatent;
+				sect = (*fatfs)->fatbase;
+				i = 0; p = 0;
+				do {
+					if (!i) {
+						res = move_window(*fatfs, sect++);
+						if (res != FR_OK) break;
+						p = (*fatfs)->win;
+						i = SS(*fatfs);
+					}
+					if (fat == FS_FAT16) {
+						if (LD_WORD(p) == 0) n++;
+						p += 2; i -= 2;
+					} else {
+						if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
+						p += 4; i -= 4;
+					}
+				} while (--clst);
+			}
+			(*fatfs)->free_clust = n;
+			if (fat == FS_FAT32) (*fatfs)->fsi_flag = 1;
+			*nclst = n;
+		}
+	}
+	LEAVE_FF(*fatfs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Truncate File                                                         */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_truncate (
+	FIL *fp		/* Pointer to the file object */
+)
+{
+	FRESULT res;
+	DWORD ncl;
+
+
+	res = validate(fp->fs, fp->id);		/* Check validity of the object */
+	if (res == FR_OK) {
+		if (fp->flag & FA__ERROR) {			/* Check abort flag */
+			res = FR_INT_ERR;
+		} else {
+			if (!(fp->flag & FA_WRITE))		/* Check access mode */
+				res = FR_DENIED;
+		}
+	}
+	if (res == FR_OK) {
+		if (fp->fsize > fp->fptr) {
+			fp->fsize = fp->fptr;	/* Set file size to current R/W point */
+			fp->flag |= FA__WRITTEN;
+			if (fp->fptr == 0) {	/* When set file size to zero, remove entire cluster chain */
+				res = remove_chain(fp->fs, fp->sclust);
+				fp->sclust = 0;
+			} else {				/* When truncate a part of the file, remove remaining clusters */
+				ncl = get_fat(fp->fs, fp->clust);
+				res = FR_OK;
+				if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
+				if (ncl == 1) res = FR_INT_ERR;
+				if (res == FR_OK && ncl < fp->fs->n_fatent) {
+					res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
+					if (res == FR_OK) res = remove_chain(fp->fs, ncl);
+				}
+			}
+		}
+		if (res != FR_OK) fp->flag |= FA__ERROR;
+	}
+
+	LEAVE_FF(fp->fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Delete a File or Directory                                            */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_unlink (
+	const TCHAR *path		/* Pointer to the file or directory path */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj, sdj;
+	BYTE *dir;
+	DWORD dclst;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj.fs, 1);
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		res = follow_path(&dj, path);		/* Follow the file path */
+		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+			res = FR_INVALID_NAME;			/* Cannot remove dot entry */
+#if _FS_SHARE
+		if (res == FR_OK) res = chk_lock(&dj, 2);	/* Cannot remove open file */
+#endif
+		if (res == FR_OK) {					/* The object is accessible */
+			dir = dj.dir;
+			if (!dir) {
+				res = FR_INVALID_NAME;		/* Cannot remove the start directory */
+			} else {
+				if (dir[DIR_Attr] & AM_RDO)
+					res = FR_DENIED;		/* Cannot remove R/O object */
+			}
+			dclst = LD_CLUST(dir);
+			if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) {	/* Is it a sub-dir? */
+				if (dclst < 2) {
+					res = FR_INT_ERR;
+				} else {
+					mem_cpy(&sdj, &dj, sizeof(FATFS_DIR));	/* Check if the sub-dir is empty or not */
+					sdj.sclust = dclst;
+					res = dir_sdi(&sdj, 2);		/* Exclude dot entries */
+					if (res == FR_OK) {
+						res = dir_read(&sdj);
+						if (res == FR_OK			/* Not empty dir */
+#if _FS_RPATH
+						|| dclst == sdj.fs->cdir	/* Current dir */
+#endif
+						) res = FR_DENIED;
+						if (res == FR_NO_FILE) res = FR_OK;	/* Empty */
+					}
+				}
+			}
+			if (res == FR_OK) {
+				res = dir_remove(&dj);		/* Remove the directory entry */
+				if (res == FR_OK) {
+					if (dclst)				/* Remove the cluster chain if exist */
+						res = remove_chain(dj.fs, dclst);
+					if (res == FR_OK) res = sync(dj.fs);
+				}
+			}
+		}
+		FREE_BUF();
+	}
+	LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Create a Directory                                                    */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_mkdir (
+	const TCHAR *path		/* Pointer to the directory path */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	BYTE *dir, n;
+	DWORD dsc, dcl, pcl, tim = get_fattime();
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj.fs, 1);
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		res = follow_path(&dj, path);			/* Follow the file path */
+		if (res == FR_OK) res = FR_EXIST;		/* Any object with same name is already existing */
+		if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT))
+			res = FR_INVALID_NAME;
+		if (res == FR_NO_FILE) {				/* Can create a new directory */
+			dcl = create_chain(dj.fs, 0);		/* Allocate a cluster for the new directory table */
+			res = FR_OK;
+			if (dcl == 0) res = FR_DENIED;		/* No space to allocate a new cluster */
+			if (dcl == 1) res = FR_INT_ERR;
+			if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
+			if (res == FR_OK)					/* Flush FAT */
+				res = move_window(dj.fs, 0);
+			if (res == FR_OK) {					/* Initialize the new directory table */
+				dsc = clust2sect(dj.fs, dcl);
+				dir = dj.fs->win;
+				mem_set(dir, 0, SS(dj.fs));
+				mem_set(dir+DIR_Name, ' ', 8+3);	/* Create "." entry */
+				dir[DIR_Name] = '.';
+				dir[DIR_Attr] = AM_DIR;
+				ST_DWORD(dir+DIR_WrtTime, tim);
+				ST_CLUST(dir, dcl);
+				mem_cpy(dir+SZ_DIR, dir, SZ_DIR); 	/* Create ".." entry */
+				dir[33] = '.'; pcl = dj.sclust;
+				if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
+					pcl = 0;
+				ST_CLUST(dir+SZ_DIR, pcl);
+				for (n = dj.fs->csize; n; n--) {	/* Write dot entries and clear following sectors */
+					dj.fs->winsect = dsc++;
+					dj.fs->wflag = 1;
+					res = move_window(dj.fs, 0);
+					if (res != FR_OK) break;
+					mem_set(dir, 0, SS(dj.fs));
+				}
+			}
+			if (res == FR_OK) res = dir_register(&dj);	/* Register the object to the directoy */
+			if (res != FR_OK) {
+				remove_chain(dj.fs, dcl);			/* Could not register, remove cluster chain */
+			} else {
+				dir = dj.dir;
+				dir[DIR_Attr] = AM_DIR;				/* Attribute */
+				ST_DWORD(dir+DIR_WrtTime, tim);		/* Created time */
+				ST_CLUST(dir, dcl);					/* Table start cluster */
+				dj.fs->wflag = 1;
+				res = sync(dj.fs);
+			}
+		}
+		FREE_BUF();
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change Attribute                                                      */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_chmod (
+	const TCHAR *path,	/* Pointer to the file path */
+	BYTE value,			/* Attribute bits */
+	BYTE mask			/* Attribute mask to change */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	BYTE *dir;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj.fs, 1);
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		res = follow_path(&dj, path);		/* Follow the file path */
+		FREE_BUF();
+		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+			res = FR_INVALID_NAME;
+		if (res == FR_OK) {
+			dir = dj.dir;
+			if (!dir) {						/* Is it a root directory? */
+				res = FR_INVALID_NAME;
+			} else {						/* File or sub directory */
+				mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC;	/* Valid attribute mask */
+				dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask);	/* Apply attribute change */
+				dj.fs->wflag = 1;
+				res = sync(dj.fs);
+			}
+		}
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change Timestamp                                                      */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_utime (
+	const TCHAR *path,	/* Pointer to the file/directory name */
+	const FILINFO *fno	/* Pointer to the time stamp to be set */
+)
+{
+	FRESULT res;
+	FATFS_DIR dj;
+	BYTE *dir;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path, &dj.fs, 1);
+	if (res == FR_OK) {
+		INIT_BUF(dj);
+		res = follow_path(&dj, path);	/* Follow the file path */
+		FREE_BUF();
+		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+			res = FR_INVALID_NAME;
+		if (res == FR_OK) {
+			dir = dj.dir;
+			if (!dir) {					/* Root directory */
+				res = FR_INVALID_NAME;
+			} else {					/* File or sub-directory */
+				ST_WORD(dir+DIR_WrtTime, fno->ftime);
+				ST_WORD(dir+DIR_WrtDate, fno->fdate);
+				dj.fs->wflag = 1;
+				res = sync(dj.fs);
+			}
+		}
+	}
+
+	LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Rename File/Directory                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_rename (
+	const TCHAR *path_old,	/* Pointer to the old name */
+	const TCHAR *path_new	/* Pointer to the new name */
+)
+{
+	FRESULT res;
+	FATFS_DIR djo, djn;
+	BYTE buf[21], *dir;
+	DWORD dw;
+	DEF_NAMEBUF;
+
+
+	res = chk_mounted(&path_old, &djo.fs, 1);
+	if (res == FR_OK) {
+		djn.fs = djo.fs;
+		INIT_BUF(djo);
+		res = follow_path(&djo, path_old);		/* Check old object */
+		if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT))
+			res = FR_INVALID_NAME;
+#if _FS_SHARE
+		if (res == FR_OK) res = chk_lock(&djo, 2);
+#endif
+		if (res == FR_OK) {						/* Old object is found */
+			if (!djo.dir) {						/* Is root dir? */
+				res = FR_NO_FILE;
+			} else {
+				mem_cpy(buf, djo.dir+DIR_Attr, 21);		/* Save the object information except for name */
+				mem_cpy(&djn, &djo, sizeof(FATFS_DIR));		/* Check new object */
+				res = follow_path(&djn, path_new);
+				if (res == FR_OK) res = FR_EXIST;		/* The new object name is already existing */
+				if (res == FR_NO_FILE) { 				/* Is it a valid path and no name collision? */
+/* Start critical section that any interruption or error can cause cross-link */
+					res = dir_register(&djn);			/* Register the new entry */
+					if (res == FR_OK) {
+						dir = djn.dir;					/* Copy object information except for name */
+						mem_cpy(dir+13, buf+2, 19);
+						dir[DIR_Attr] = buf[0] | AM_ARC;
+						djo.fs->wflag = 1;
+						if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) {		/* Update .. entry in the directory if needed */
+							dw = clust2sect(djn.fs, LD_CLUST(dir));
+							if (!dw) {
+								res = FR_INT_ERR;
+							} else {
+								res = move_window(djn.fs, dw);
+								dir = djn.fs->win+SZ_DIR;	/* .. entry */
+								if (res == FR_OK && dir[1] == '.') {
+									dw = (djn.fs->fs_type == FS_FAT32 && djn.sclust == djn.fs->dirbase) ? 0 : djn.sclust;
+									ST_CLUST(dir, dw);
+									djn.fs->wflag = 1;
+								}
+							}
+						}
+						if (res == FR_OK) {
+							res = dir_remove(&djo);		/* Remove old entry */
+							if (res == FR_OK)
+								res = sync(djo.fs);
+						}
+					}
+/* End critical section */
+				}
+			}
+		}
+		FREE_BUF();
+	}
+	LEAVE_FF(djo.fs, res);
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _FS_MINIMIZE == 0 */
+#endif /* _FS_MINIMIZE <= 1 */
+#endif /* _FS_MINIMIZE <= 2 */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Forward data to the stream directly (available on only tiny cfg)      */
+/*-----------------------------------------------------------------------*/
+#if _USE_FORWARD && _FS_TINY
+
+FRESULT f_forward (
+	FIL *fp, 						/* Pointer to the file object */
+	UINT (*func)(const BYTE*,UINT),	/* Pointer to the streaming function */
+	UINT btr,						/* Number of bytes to forward */
+	UINT *bf						/* Pointer to number of bytes forwarded */
+)
+{
+	FRESULT res;
+	DWORD remain, clst, sect;
+	UINT rcnt;
+	BYTE csect;
+
+
+	*bf = 0;	/* Initialize byte counter */
+
+	res = validate(fp->fs, fp->id);					/* Check validity of the object */
+	if (res != FR_OK) LEAVE_FF(fp->fs, res);
+	if (fp->flag & FA__ERROR)						/* Check error flag */
+		LEAVE_FF(fp->fs, FR_INT_ERR);
+	if (!(fp->flag & FA_READ))						/* Check access mode */
+		LEAVE_FF(fp->fs, FR_DENIED);
+
+	remain = fp->fsize - fp->fptr;
+	if (btr > remain) btr = (UINT)remain;			/* Truncate btr by remaining bytes */
+
+	for ( ;  btr && (*func)(0, 0);					/* Repeat until all data transferred or stream becomes busy */
+		fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) {
+		csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */
+		if ((fp->fptr % SS(fp->fs)) == 0) {			/* On the sector boundary? */
+			if (!csect) {							/* On the cluster boundary? */
+				clst = (fp->fptr == 0) ?			/* On the top of the file? */
+					fp->sclust : get_fat(fp->fs, fp->clust);
+				if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
+				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+				fp->clust = clst;					/* Update current cluster */
+			}
+		}
+		sect = clust2sect(fp->fs, fp->clust);		/* Get current data sector */
+		if (!sect) ABORT(fp->fs, FR_INT_ERR);
+		sect += csect;
+		if (move_window(fp->fs, sect))				/* Move sector window */
+			ABORT(fp->fs, FR_DISK_ERR);
+		fp->dsect = sect;
+		rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs));	/* Forward data from sector window */
+		if (rcnt > btr) rcnt = btr;
+		rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);
+		if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
+	}
+
+	LEAVE_FF(fp->fs, FR_OK);
+}
+#endif /* _USE_FORWARD */
+
+
+
+#if _USE_MKFS && !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Create File System on the Drive                                       */
+/*-----------------------------------------------------------------------*/
+#define N_ROOTDIR	512		/* Number of root dir entries for FAT12/16 */
+#define N_FATS		1		/* Number of FAT copies (1 or 2) */
+
+
+FRESULT f_mkfs (
+	BYTE drv,		/* Logical drive number */
+	BYTE sfd,		/* Partitioning rule 0:FDISK, 1:SFD */
+	UINT au			/* Allocation unit size [bytes] */
+)
+{
+	static const WORD vst[] = { 1024,   512,  256,  128,   64,    32,   16,    8,    4,    2,   0};
+	static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
+	BYTE fmt, md, sys, *tbl, pdrv, part;
+	DWORD n_clst, vs, n, wsect;
+	UINT i;
+	DWORD b_vol, b_fat, b_dir, b_data;	/* LBA */
+	DWORD n_vol, n_rsv, n_fat, n_dir;	/* Size */
+	FATFS *fs;
+	DSTATUS stat;
+
+
+	/* Check mounted drive and clear work area */
+	if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+	if (sfd > 1) return FR_INVALID_PARAMETER;
+	if (au & (au - 1)) return FR_INVALID_PARAMETER;
+	fs = FatFs[drv];
+	if (!fs) return FR_NOT_ENABLED;
+	fs->fs_type = 0;
+	pdrv = LD2PD(drv);	/* Physical drive */
+	part = LD2PT(drv);	/* Partition (0:auto detect, 1-4:get from partition table)*/
+
+	/* Get disk statics */
+	stat = disk_initialize(pdrv);
+	if (stat & STA_NOINIT) return FR_NOT_READY;
+	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512					/* Get disk sector size */
+	if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
+		return FR_DISK_ERR;
+#endif
+	if (_MULTI_PARTITION && part) {
+		/* Get partition information from partition table in the MBR */
+		if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+		if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;
+		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+		if (!tbl[4]) return FR_MKFS_ABORTED;	/* No partition? */
+		b_vol = LD_DWORD(tbl+8);	/* Volume start sector */
+		n_vol = LD_DWORD(tbl+12);	/* Volume size */
+	} else {
+		/* Create a partition in this function */
+		if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
+			return FR_DISK_ERR;
+		b_vol = (sfd) ? 0 : 63;		/* Volume start sector */
+		n_vol -= b_vol;				/* Volume size */
+	}
+
+	if (!au) {				/* AU auto selection */
+		vs = n_vol / (2000 / (SS(fs) / 512));
+		for (i = 0; vs < vst[i]; i++) ;
+		au = cst[i];
+	}
+	au /= SS(fs);		/* Number of sectors per cluster */
+	if (au == 0) au = 1;
+	if (au > 128) au = 128;
+
+	/* Pre-compute number of clusters and FAT syb-type */
+	n_clst = n_vol / au;
+	fmt = FS_FAT12;
+	if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
+	if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
+
+	/* Determine offset and size of FAT structure */
+	if (fmt == FS_FAT32) {
+		n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
+		n_rsv = 32;
+		n_dir = 0;
+	} else {
+		n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
+		n_fat = (n_fat + SS(fs) - 1) / SS(fs);
+		n_rsv = 1;
+		n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);
+	}
+	b_fat = b_vol + n_rsv;				/* FAT area start sector */
+	b_dir = b_fat + n_fat * N_FATS;		/* Directory area start sector */
+	b_data = b_dir + n_dir;				/* Data area start sector */
+	if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED;	/* Too small volume */
+
+	/* Align data start sector to erase block boundary (for flash memory media) */
+	if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1;
+	n = (b_data + n - 1) & ~(n - 1);	/* Next nearest erase block from current data start */
+	n = (n - b_data) / N_FATS;
+	if (fmt == FS_FAT32) {		/* FAT32: Move FAT offset */
+		n_rsv += n;
+		b_fat += n;
+	} else {					/* FAT12/16: Expand FAT size */
+		n_fat += n;
+	}
+
+	/* Determine number of clusters and final check of validity of the FAT sub-type */
+	n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
+	if (   (fmt == FS_FAT16 && n_clst < MIN_FAT16)
+		|| (fmt == FS_FAT32 && n_clst < MIN_FAT32))
+		return FR_MKFS_ABORTED;
+
+	switch (fmt) {	/* Determine system ID for partition table */
+	case FS_FAT12:	sys = 0x01; break;
+	case FS_FAT16:	sys = (n_vol < 0x10000) ? 0x04 : 0x06; break;
+	default: 		sys = 0x0C;
+	}
+
+	if (_MULTI_PARTITION && part) {
+		/* Update system ID in the partition table */
+		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+		tbl[4] = sys;
+		if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+		md = 0xF8;
+	} else {
+		if (sfd) {	/* No patition table (SFD) */
+			md = 0xF0;
+		} else {	/* Create partition table (FDISK) */
+			mem_set(fs->win, 0, SS(fs));
+			tbl = fs->win+MBR_Table;	/* Create partiton table for single partition in the drive */
+			tbl[1] = 1;						/* Partition start head */
+			tbl[2] = 1;						/* Partition start sector */
+			tbl[3] = 0;						/* Partition start cylinder */
+			tbl[4] = sys;					/* System type */
+			tbl[5] = 254;					/* Partition end head */
+			n = (b_vol + n_vol) / 63 / 255;
+			tbl[6] = (BYTE)((n >> 2) | 63);	/* Partiiton end sector */
+			tbl[7] = (BYTE)n;				/* End cylinder */
+			ST_DWORD(tbl+8, 63);			/* Partition start in LBA */
+			ST_DWORD(tbl+12, n_vol);		/* Partition size in LBA */
+			ST_WORD(fs->win+BS_55AA, 0xAA55);	/* MBR signature */
+			if (disk_write(pdrv, fs->win, 0, 1) != RES_OK)	/* Write it to the MBR sector */
+				return FR_DISK_ERR;
+			md = 0xF8;
+		}
+	}
+
+	/* Create BPB in the VBR */
+	tbl = fs->win;							/* Clear sector */
+	mem_set(tbl, 0, SS(fs));
+	mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
+	i = SS(fs);								/* Sector size */
+	ST_WORD(tbl+BPB_BytsPerSec, i);
+	tbl[BPB_SecPerClus] = (BYTE)au;			/* Sectors per cluster */
+	ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv);		/* Reserved sectors */
+	tbl[BPB_NumFATs] = N_FATS;				/* Number of FATs */
+	i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;	/* Number of rootdir entries */
+	ST_WORD(tbl+BPB_RootEntCnt, i);
+	if (n_vol < 0x10000) {					/* Number of total sectors */
+		ST_WORD(tbl+BPB_TotSec16, n_vol);
+	} else {
+		ST_DWORD(tbl+BPB_TotSec32, n_vol);
+	}
+	tbl[BPB_Media] = md;					/* Media descriptor */
+	ST_WORD(tbl+BPB_SecPerTrk, 63);			/* Number of sectors per track */
+	ST_WORD(tbl+BPB_NumHeads, 255);			/* Number of heads */
+	ST_DWORD(tbl+BPB_HiddSec, b_vol);		/* Hidden sectors */
+	n = get_fattime();						/* Use current time as VSN */
+	if (fmt == FS_FAT32) {
+		ST_DWORD(tbl+BS_VolID32, n);		/* VSN */
+		ST_DWORD(tbl+BPB_FATSz32, n_fat);	/* Number of sectors per FAT */
+		ST_DWORD(tbl+BPB_RootClus, 2);		/* Root directory start cluster (2) */
+		ST_WORD(tbl+BPB_FSInfo, 1);			/* FSInfo record offset (VBR+1) */
+		ST_WORD(tbl+BPB_BkBootSec, 6);		/* Backup boot record offset (VBR+6) */
+		tbl[BS_DrvNum32] = 0x80;			/* Drive number */
+		tbl[BS_BootSig32] = 0x29;			/* Extended boot signature */
+		mem_cpy(tbl+BS_VolLab32, "NO NAME    " "FAT32   ", 19);	/* Volume label, FAT signature */
+	} else {
+		ST_DWORD(tbl+BS_VolID, n);			/* VSN */
+		ST_WORD(tbl+BPB_FATSz16, n_fat);	/* Number of sectors per FAT */
+		tbl[BS_DrvNum] = 0x80;				/* Drive number */
+		tbl[BS_BootSig] = 0x29;				/* Extended boot signature */
+		mem_cpy(tbl+BS_VolLab, "NO NAME    " "FAT     ", 19);	/* Volume label, FAT signature */
+	}
+	ST_WORD(tbl+BS_55AA, 0xAA55);			/* Signature (Offset is fixed here regardless of sector size) */
+	if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK)	/* Write it to the VBR sector */
+		return FR_DISK_ERR;
+	if (fmt == FS_FAT32)							/* Write backup VBR if needed (VBR+6) */
+		disk_write(pdrv, tbl, b_vol + 6, 1);
+
+	/* Initialize FAT area */
+	wsect = b_fat;
+	for (i = 0; i < N_FATS; i++) {		/* Initialize each FAT copy */
+		mem_set(tbl, 0, SS(fs));			/* 1st sector of the FAT  */
+		n = md;								/* Media descriptor byte */
+		if (fmt != FS_FAT32) {
+			n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
+			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT12/16) */
+		} else {
+			n |= 0xFFFFFF00;
+			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT32) */
+			ST_DWORD(tbl+4, 0xFFFFFFFF);
+			ST_DWORD(tbl+8, 0x0FFFFFFF);	/* Reserve cluster #2 for root dir */
+		}
+		if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+			return FR_DISK_ERR;
+		mem_set(tbl, 0, SS(fs));			/* Fill following FAT entries with zero */
+		for (n = 1; n < n_fat; n++) {		/* This loop may take a time on FAT32 volume due to many single sector writes */
+			if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+				return FR_DISK_ERR;
+		}
+	}
+
+	/* Initialize root directory */
+	i = (fmt == FS_FAT32) ? au : n_dir;
+	do {
+		if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+			return FR_DISK_ERR;
+	} while (--i);
+
+#if _USE_ERASE	/* Erase data area if needed */
+	{
+		DWORD eb[2];
+
+		eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
+		disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb);
+	}
+#endif
+
+	/* Create FSInfo if needed */
+	if (fmt == FS_FAT32) {
+		ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
+		ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
+		ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);	/* Number of free clusters */
+		ST_DWORD(tbl+FSI_Nxt_Free, 2);				/* Last allocated cluster# */
+		ST_WORD(tbl+BS_55AA, 0xAA55);
+		disk_write(pdrv, tbl, b_vol + 1, 1);	/* Write original (VBR+1) */
+		disk_write(pdrv, tbl, b_vol + 7, 1);	/* Write backup (VBR+7) */
+	}
+
+	return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
+}
+
+
+#if _MULTI_PARTITION == 2
+/*-----------------------------------------------------------------------*/
+/* Divide Physical Drive                                                 */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_fdisk (
+	BYTE pdrv,			/* Physical drive number */
+	const DWORD szt[],	/* Pointer to the size table for each partitions */
+	void* work			/* Pointer to the working buffer */
+)
+{
+	UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;
+	BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;
+	DSTATUS stat;
+	DWORD sz_disk, sz_part, s_part;
+
+
+	stat = disk_initialize(pdrv);
+	if (stat & STA_NOINIT) return FR_NOT_READY;
+	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+	if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;
+
+	/* Determine CHS in the table regardless of the drive geometry */
+	for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
+	if (n == 256) n--;
+	e_hd = n - 1;
+	sz_cyl = 63 * n;
+	tot_cyl = sz_disk / sz_cyl;
+
+	/* Create partition table */
+	mem_set(buf, 0, _MAX_SS);
+	p = buf + MBR_Table; b_cyl = 0;
+	for (i = 0; i < 4; i++, p += SZ_PTE) {
+		p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;
+		if (!p_cyl) continue;
+		s_part = (DWORD)sz_cyl * b_cyl;
+		sz_part = (DWORD)sz_cyl * p_cyl;
+		if (i == 0) {	/* Exclude first track of cylinder 0 */
+			s_hd = 1;
+			s_part += 63; sz_part -= 63;
+		} else {
+			s_hd = 0;
+		}
+		e_cyl = b_cyl + p_cyl - 1;
+		if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;
+
+		/* Set partition table */
+		p[1] = s_hd;						/* Start head */
+		p[2] = (BYTE)((b_cyl >> 2) + 1);	/* Start sector */
+		p[3] = (BYTE)b_cyl;					/* Start cylinder */
+		p[4] = 0x06;						/* System type (temporary setting) */
+		p[5] = e_hd;						/* End head */
+		p[6] = (BYTE)((e_cyl >> 2) + 63);	/* End sector */
+		p[7] = (BYTE)e_cyl;					/* End cylinder */
+		ST_DWORD(p + 8, s_part);			/* Start sector in LBA */
+		ST_DWORD(p + 12, sz_part);			/* Partition size */
+
+		/* Next partition */
+		b_cyl += p_cyl;
+	}
+	ST_WORD(p, 0xAA55);
+
+	/* Write it to the MBR */
+	return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK;
+}
+
+
+#endif /* _MULTI_PARTITION == 2 */
+#endif /* _USE_MKFS && !_FS_READONLY */
+
+
+
+
+#if _USE_STRFUNC
+/*-----------------------------------------------------------------------*/
+/* Get a string from the file                                            */
+/*-----------------------------------------------------------------------*/
+TCHAR* f_gets (
+	TCHAR* buff,	/* Pointer to the string buffer to read */
+	int len,		/* Size of string buffer (characters) */
+	FIL* fil		/* Pointer to the file object */
+)
+{
+	int n = 0;
+	TCHAR c, *p = buff;
+	BYTE s[2];
+	UINT rc;
+
+
+	while (n < len - 1) {			/* Read bytes until buffer gets filled */
+		f_read(fil, s, 1, &rc);
+		if (rc != 1) break;			/* Break on EOF or error */
+		c = s[0];
+#if _LFN_UNICODE					/* Read a character in UTF-8 encoding */
+		if (c >= 0x80) {
+			if (c < 0xC0) continue;	/* Skip stray trailer */
+			if (c < 0xE0) {			/* Two-byte sequense */
+				f_read(fil, s, 1, &rc);
+				if (rc != 1) break;
+				c = ((c & 0x1F) << 6) | (s[0] & 0x3F);
+				if (c < 0x80) c = '?';
+			} else {
+				if (c < 0xF0) {		/* Three-byte sequense */
+					f_read(fil, s, 2, &rc);
+					if (rc != 2) break;
+					c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F);
+					if (c < 0x800) c = '?';
+				} else {			/* Reject four-byte sequense */
+					c = '?';
+				}
+			}
+		}
+#endif
+#if _USE_STRFUNC >= 2
+		if (c == '\r') continue;	/* Strip '\r' */
+#endif
+		*p++ = c;
+		n++;
+		if (c == '\n') break;		/* Break on EOL */
+	}
+	*p = 0;
+	return n ? buff : 0;			/* When no data read (eof or error), return with error. */
+}
+
+
+
+#if !_FS_READONLY
+#include <stdarg.h>
+/*-----------------------------------------------------------------------*/
+/* Put a character to the file                                           */
+/*-----------------------------------------------------------------------*/
+int f_putc (
+	TCHAR c,	/* A character to be output */
+	FIL* fil	/* Pointer to the file object */
+)
+{
+	UINT bw, btw;
+	BYTE s[3];
+
+
+#if _USE_STRFUNC >= 2
+	if (c == '\n') f_putc ('\r', fil);	/* LF -> CRLF conversion */
+#endif
+
+#if _LFN_UNICODE	/* Write the character in UTF-8 encoding */
+	if (c < 0x80) {			/* 7-bit */
+		s[0] = (BYTE)c;
+		btw = 1;
+	} else {
+		if (c < 0x800) {	/* 11-bit */
+			s[0] = (BYTE)(0xC0 | (c >> 6));
+			s[1] = (BYTE)(0x80 | (c & 0x3F));
+			btw = 2;
+		} else {			/* 16-bit */
+			s[0] = (BYTE)(0xE0 | (c >> 12));
+			s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F));
+			s[2] = (BYTE)(0x80 | (c & 0x3F));
+			btw = 3;
+		}
+	}
+#else				/* Write the character without conversion */
+	s[0] = (BYTE)c;
+	btw = 1;
+#endif
+	f_write(fil, s, btw, &bw);		/* Write the char to the file */
+	return (bw == btw) ? 1 : EOF;	/* Return the result */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Put a string to the file                                              */
+/*-----------------------------------------------------------------------*/
+int f_puts (
+	const TCHAR* str,	/* Pointer to the string to be output */
+	FIL* fil			/* Pointer to the file object */
+)
+{
+	int n;
+
+
+	for (n = 0; *str; str++, n++) {
+		if (f_putc(*str, fil) == EOF) return EOF;
+	}
+	return n;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Put a formatted string to the file                                    */
+/*-----------------------------------------------------------------------*/
+int f_printf (
+	FIL* fil,			/* Pointer to the file object */
+	const TCHAR* str,	/* Pointer to the format string */
+	...					/* Optional arguments... */
+)
+{
+	va_list arp;
+	BYTE f, r;
+	UINT i, j, w;
+	ULONG v;
+	TCHAR c, d, s[16], *p;
+	int res, chc, cc;
+
+
+	va_start(arp, str);
+
+	for (cc = res = 0; cc != EOF; res += cc) {
+		c = *str++;
+		if (c == 0) break;			/* End of string */
+		if (c != '%') {				/* Non escape character */
+			cc = f_putc(c, fil);
+			if (cc != EOF) cc = 1;
+			continue;
+		}
+		w = f = 0;
+		c = *str++;
+		if (c == '0') {				/* Flag: '0' padding */
+			f = 1; c = *str++;
+		} else {
+			if (c == '-') {			/* Flag: left justified */
+				f = 2; c = *str++;
+			}
+		}
+		while (IsDigit(c)) {		/* Precision */
+			w = w * 10 + c - '0';
+			c = *str++;
+		}
+		if (c == 'l' || c == 'L') {	/* Prefix: Size is long int */
+			f |= 4; c = *str++;
+		}
+		if (!c) break;
+		d = c;
+		if (IsLower(d)) d -= 0x20;
+		switch (d) {				/* Type is... */
+		case 'S' :					/* String */
+			p = va_arg(arp, TCHAR*);
+			for (j = 0; p[j]; j++) ;
+			chc = 0;
+			if (!(f & 2)) {
+				while (j++ < w) chc += (cc = f_putc(' ', fil));
+			}
+			chc += (cc = f_puts(p, fil));
+			while (j++ < w) chc += (cc = f_putc(' ', fil));
+			if (cc != EOF) cc = chc;
+			continue;
+		case 'C' :					/* Character */
+			cc = f_putc((TCHAR)va_arg(arp, int), fil); continue;
+		case 'B' :					/* Binary */
+			r = 2; break;
+		case 'O' :					/* Octal */
+			r = 8; break;
+		case 'D' :					/* Signed decimal */
+		case 'U' :					/* Unsigned decimal */
+			r = 10; break;
+		case 'X' :					/* Hexdecimal */
+			r = 16; break;
+		default:					/* Unknown type (passthrough) */
+			cc = f_putc(c, fil); continue;
+		}
+
+		/* Get an argument and put it in numeral */
+		v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int));
+		if (d == 'D' && (v & 0x80000000)) {
+			v = 0 - v;
+			f |= 8;
+		}
+		i = 0;
+		do {
+			d = (TCHAR)(v % r); v /= r;
+			if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
+			s[i++] = d + '0';
+		} while (v && i < sizeof(s) / sizeof(s[0]));
+		if (f & 8) s[i++] = '-';
+		j = i; d = (f & 1) ? '0' : ' ';
+		res = 0;
+		while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil));
+		do res += (cc = f_putc(s[--i], fil)); while(i);
+		while (j++ < w) res += (cc = f_putc(' ', fil));
+		if (cc != EOF) cc = res;
+	}
+
+	va_end(arp);
+	return (cc == EOF) ? cc : res;
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _USE_STRFUNC */
diff -r 000000000000 -r 6ceefe1c53e4 ff.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ff.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,337 @@
+/*---------------------------------------------------------------------------/
+/  FatFs - FAT file system module include file  R0.09     (C)ChaN, 2011
+/----------------------------------------------------------------------------/
+/ 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 trems.
+/
+/  Copyright (C) 2011, 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	6502	/* 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) (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 owner file system object */
+	WORD	id;				/* Owner file system mount ID */
+	BYTE	flag;			/* File status flags */
+	BYTE	pad1;
+	DWORD	fptr;			/* File read/write pointer (0 on file open) */
+	DWORD	fsize;			/* File size */
+	DWORD	sclust;			/* File start cluster (0 when fsize==0) */
+	DWORD	clust;			/* Current cluster */
+	DWORD	dsect;			/* Current data sector */
+#if !_FS_READONLY
+	DWORD	dir_sect;		/* Sector containing the directory entry */
+	BYTE*	dir_ptr;		/* Ponter 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_SHARE
+	UINT	lockid;			/* File lock ID (index of file semaphore table) */
+#endif
+#if !_FS_TINY
+	BYTE	buf[_MAX_SS];	/* File data read/write buffer */
+#endif
+} FIL;
+
+
+
+/* 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]} */
+#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 occured 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) Acces denied due to prohibited access or directory full */
+	FR_EXIST,				/* (8) Acces 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 shareing 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 attriburte of the file/dir */
+FRESULT f_utime (const TCHAR*, const FILINFO*);		/* Change timestamp 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 */
diff -r 000000000000 -r 6ceefe1c53e4 ffconf.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ffconf.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,190 @@
+/*---------------------------------------------------------------------------/
+/  FatFs - FAT file system module configuration file  R0.09  (C)ChaN, 2011
+/----------------------------------------------------------------------------/
+/
+/ CAUTION! Do not forget to make clean the project after any changes to
+/ the configuration options.
+/
+/----------------------------------------------------------------------------*/
+#ifndef _FFCONF
+#define _FFCONF 6502	/* Revision ID */
+
+
+/*---------------------------------------------------------------------------/
+/ Functions and Buffer Configurations
+/----------------------------------------------------------------------------*/
+
+#define	_FS_TINY		0	/* 0:Normal or 1:Tiny */
+/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
+/  object instead of the sector buffer in the individual file object for file
+/  data transfer. This reduces memory consumption 512 bytes each file object. */
+
+
+#define _FS_READONLY	0	/* 0:Read/Write or 1:Read only */
+/* 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	/* 0 to 3 */
+/* 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 1.
+/   3: f_lseek is removed in addition to 2. */
+
+
+#define	_USE_STRFUNC	0	/* 0:Disable or 1-2:Enable */
+/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
+
+
+#define	_USE_MKFS		1	/* 0:Disable or 1:Enable */
+/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
+
+
+#define	_USE_FORWARD	0	/* 0:Disable or 1:Enable */
+/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
+
+
+#define	_USE_FASTSEEK	0	/* 0:Disable or 1:Enable */
+/* To enable fast seek feature, set _USE_FASTSEEK to 1. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ Locale and Namespace Configurations
+/----------------------------------------------------------------------------*/
+
+#define _CODE_PAGE	858
+/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
+/  Incorrect setting of the code page can cause a file open failure.
+/
+/   932  - Japanese Shift-JIS (DBCS, OEM, Windows)
+/   936  - Simplified Chinese GBK (DBCS, OEM, Windows)
+/   949  - Korean (DBCS, OEM, Windows)
+/   950  - Traditional Chinese Big5 (DBCS, OEM, Windows)
+/   1250 - Central Europe (Windows)
+/   1251 - Cyrillic (Windows)
+/   1252 - Latin 1 (Windows)
+/   1253 - Greek (Windows)
+/   1254 - Turkish (Windows)
+/   1255 - Hebrew (Windows)
+/   1256 - Arabic (Windows)
+/   1257 - Baltic (Windows)
+/   1258 - Vietnam (OEM, Windows)
+/   437  - U.S. (OEM)
+/   720  - Arabic (OEM)
+/   737  - Greek (OEM)
+/   775  - Baltic (OEM)
+/   850  - Multilingual Latin 1 (OEM)
+/   858  - Multilingual Latin 1 + Euro (OEM)
+/   852  - Latin 2 (OEM)
+/   855  - Cyrillic (OEM)
+/   866  - Russian (OEM)
+/   857  - Turkish (OEM)
+/   862  - Hebrew (OEM)
+/   874  - Thai (OEM, Windows)
+/	1    - ASCII only (Valid for non LFN cfg.)
+*/
+
+
+#define	_USE_LFN	1		/* 0 to 3 */
+#define	_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */
+/* The _USE_LFN option switches the LFN support.
+/
+/   0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
+/   1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
+/   2: Enable LFN with dynamic working buffer on the STACK.
+/   3: Enable LFN with dynamic working buffer on the HEAP.
+/
+/  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
+/  Unicode handling functions ff_convert() and ff_wtoupper() must be added
+/  to the project. When enable to use heap, memory control functions
+/  ff_memalloc() and ff_memfree() must be added to the project. */
+
+
+#define	_LFN_UNICODE	0	/* 0:ANSI/OEM or 1:Unicode */
+/* To switch the character code set on FatFs API to Unicode,
+/  enable LFN feature and set _LFN_UNICODE to 1. */
+
+
+#define _FS_RPATH		0	/* 0 to 2 */
+/* The _FS_RPATH option configures relative path feature.
+/
+/   0: Disable relative path feature and remove related functions.
+/   1: Enable relative path. f_chdrive() and f_chdir() are available.
+/   2: f_getcwd() is available in addition to 1.
+/
+/  Note that output of the f_readdir fnction is affected by this option. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ Physical Drive Configurations
+/----------------------------------------------------------------------------*/
+
+#define _VOLUMES	4
+/* Number of volumes (logical drives) to be used. */
+
+
+#define	_MAX_SS		512		/* 512, 1024, 2048 or 4096 */
+/* Maximum sector size to be handled.
+/  Always set 512 for memory card and hard disk but a larger value may be
+/  required for on-board flash memory, floppy disk and optical disk.
+/  When _MAX_SS is larger than 512, it configures FatFs to variable sector size
+/  and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
+
+
+#define	_MULTI_PARTITION	0	/* 0:Single partition, 1/2:Enable multiple partition */
+/* When set to 0, each volume is bound to the same physical drive number and
+/ it can mount only first primaly partition. When it is set to 1, each volume
+/ is tied to the partitions listed in VolToPart[]. */
+
+
+#define	_USE_ERASE	0	/* 0:Disable or 1:Enable */
+/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
+/  should be added to the disk_ioctl functio. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ System Configurations
+/----------------------------------------------------------------------------*/
+
+#define _WORD_ACCESS	0	/* 0 or 1 */
+/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
+/  option defines which access method is used to the word data on the FAT volume.
+/
+/   0: Byte-by-byte access.
+/   1: Word access. Do not choose this unless following condition is met.
+/
+/  When the byte order on the memory is big-endian or address miss-aligned word
+/  access results incorrect behavior, the _WORD_ACCESS must be set to 0.
+/  If it is not the case, the value can also be set to 1 to improve the
+/  performance and code size.
+*/
+
+
+/* A header file that defines sync object types on the O/S, such as
+/  windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
+
+#define _FS_REENTRANT	0		/* 0:Disable or 1:Enable */
+#define _FS_TIMEOUT		1000	/* Timeout period in unit of time ticks */
+#define	_SYNC_t			HANDLE	/* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
+
+/* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
+/
+/   0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
+/   1: Enable reentrancy. Also user provided synchronization handlers,
+/      ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
+/      function must be added to the project. */
+
+
+#define	_FS_SHARE	0	/* 0:Disable or >=1:Enable */
+/* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value
+   defines how many files can be opened simultaneously. */
+
+
+#endif /* _FFCONFIG */
diff -r 000000000000 -r 6ceefe1c53e4 integer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/integer.h	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,37 @@
+/*-------------------------------------------*/
+/* Integer type definitions for FatFs module */
+/*-------------------------------------------*/
+
+#ifndef _INTEGER
+#define _INTEGER
+
+#ifdef _WIN32	/* FatFs development platform */
+
+#include <windows.h>
+#include <tchar.h>
+
+#else			/* Embedded platform */
+
+/* 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 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;
+typedef unsigned short	WCHAR;
+
+/* These types must be 32-bit integer */
+typedef long			LONG;
+typedef unsigned long	ULONG;
+typedef unsigned long	DWORD;
+
+#endif
+
+#endif
diff -r 000000000000 -r 6ceefe1c53e4 option/ccsbcs.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/option/ccsbcs.c	Sun Dec 25 01:45:20 2011 +0000
@@ -0,0 +1,540 @@
+/*------------------------------------------------------------------------*/
+/* Unicode - Local code bidirectional converter  (C)ChaN, 2009            */
+/* (SBCS code pages)                                                      */
+/*------------------------------------------------------------------------*/
+/*  437   U.S. (OEM)
+/   720   Arabic (OEM)
+/   1256  Arabic (Windows)
+/   737   Greek (OEM)
+/   1253  Greek (Windows)
+/   1250  Central Europe (Windows)
+/   775   Baltic (OEM)
+/   1257  Baltic (Windows)
+/   850   Multilingual Latin 1 (OEM)
+/   852   Latin 2 (OEM)
+/   1252  Latin 1 (Windows)
+/   855   Cyrillic (OEM)
+/   1251  Cyrillic (Windows)
+/   866   Russian (OEM)
+/   857   Turkish (OEM)
+/   1254  Turkish (Windows)
+/   858   Multilingual Latin 1 + Euro (OEM)
+/   862   Hebrew (OEM)
+/   1255  Hebrew (Windows)
+/   874   Thai (OEM, Windows)
+/   1258  Vietnam (OEM, Windows)
+*/
+
+#include "../ff.h"
+
+
+#if _CODE_PAGE == 437
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP437(0x80-0xFF) to Unicode conversion table */
+	0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+	0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+	0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+	0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
+	0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+	0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+	0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+	0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+	0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+	0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
+	0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
+	0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
+	0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 720
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP720(0x80-0xFF) to Unicode conversion table */
+	0x0000, 0x0000, 0x00E9, 0x00E2, 0x0000, 0x00E0, 0x0000, 0x00E7,
+	0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x0651, 0x0652, 0x00F4, 0x00A4, 0x0640, 0x00FB, 0x00F9,
+	0x0621, 0x0622, 0x0623, 0x0624, 0x00A3, 0x0625, 0x0626, 0x0627,
+	0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+	0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+	0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+	0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+	0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+	0x0636, 0x0637, 0x0638, 0x0639, 0x063A, 0x0641, 0x00B5, 0x0642,
+	0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 0x0648, 0x0649, 0x064A,
+	0x2261, 0x064B, 0x064C, 0x064D, 0x064E, 0x064F, 0xO650, 0x2248,
+	0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 737
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP737(0x80-0xFF) to Unicode conversion table */
+	0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398,
+	0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0,
+	0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9,
+	0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8,
+	0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0,
+	0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+	0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+	0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+	0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+	0x03C9, 0x03AC, 0x03AD, 0x03AE, 0x03CA, 0x03AF, 0x03CC, 0x03CD,
+	0x03CB, 0x03CE, 0x0386, 0x0388, 0x0389, 0x038A, 0x038C, 0x038E,
+	0x038F, 0x00B1, 0x2265, 0x2264, 0x03AA, 0x03AB, 0x00F7, 0x2248,
+	0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 775
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP775(0x80-0xFF) to Unicode conversion table */
+	0x0106, 0x00FC, 0x00E9, 0x0101, 0x00E4, 0x0123, 0x00E5, 0x0107,
+	0x0142, 0x0113, 0x0156, 0x0157, 0x012B, 0x0179, 0x00C4, 0x00C5,
+	0x00C9, 0x00E6, 0x00C6, 0x014D, 0x00F6, 0x0122, 0x00A2, 0x015A,
+	0x015B, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x00A4,
+	0x0100, 0x012A, 0x00F3, 0x017B, 0x017C, 0x017A, 0x201D, 0x00A6,
+	0x00A9, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x0141, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0104, 0x010C, 0x0118,
+	0x0116, 0x2563, 0x2551, 0x2557, 0x255D, 0x012E, 0x0160, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0172, 0x016A,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x017D,
+	0x0105, 0x010D, 0x0119, 0x0117, 0x012F, 0x0161, 0x0173, 0x016B,
+	0x017E, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+	0x00D3, 0x00DF, 0x014C, 0x0143, 0x00F5, 0x00D5, 0x00B5, 0x0144,
+	0x0136, 0x0137, 0x013B, 0x013C, 0x0146, 0x0112, 0x0145, 0x2019,
+	0x00AD, 0x00B1, 0x201C, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x201E,
+	0x00B0, 0x2219, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 850
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP850(0x80-0xFF) to Unicode conversion table */
+	0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+	0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+	0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+	0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+	0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+	0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+	0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+	0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x0131, 0x00CD, 0x00CE,
+	0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+	0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+	0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+	0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+	0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 852
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP852(0x80-0xFF) to Unicode conversion table */
+	0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x016F, 0x0107, 0x00E7,
+	0x0142, 0x00EB, 0x0150, 0x0151, 0x00EE, 0x0179, 0x00C4, 0x0106,
+	0x00C9, 0x0139, 0x013A, 0x00F4, 0x00F6, 0x013D, 0x013E, 0x015A,
+	0x015B, 0x00D6, 0x00DC, 0x0164, 0x0165, 0x0141, 0x00D7, 0x010D,
+	0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x0104, 0x0105, 0x017D, 0x017E,
+	0x0118, 0x0119, 0x00AC, 0x017A, 0x010C, 0x015F, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x011A,
+	0x015E, 0x2563, 0x2551, 0x2557, 0x255D, 0x017B, 0x017C, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0102, 0x0103,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+	0x0111, 0x0110, 0x010E, 0x00CB, 0x010F, 0x0147, 0x00CD, 0x00CE,
+	0x011B, 0x2518, 0x250C, 0x2588, 0x2584, 0x0162, 0x016E, 0x2580,
+	0x00D3, 0x00DF, 0x00D4, 0x0143, 0x0144, 0x0148, 0x0160, 0x0161,
+	0x0154, 0x00DA, 0x0155, 0x0170, 0x00FD, 0x00DD, 0x0163, 0x00B4,
+	0x00AD, 0x02DD, 0x02DB, 0x02C7, 0x02D8, 0x00A7, 0x00F7, 0x00B8,
+	0x00B0, 0x00A8, 0x02D9, 0x0171, 0x0158, 0x0159, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 855
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP855(0x80-0xFF) to Unicode conversion table */
+	0x0452, 0x0402, 0x0453, 0x0403, 0x0451, 0x0401, 0x0454, 0x0404,
+	0x0455, 0x0405, 0x0456, 0x0406, 0x0457, 0x0407, 0x0458, 0x0408,
+	0x0459, 0x0409, 0x045A, 0x040A, 0x045B, 0x040B, 0x045C, 0x040C,
+	0x045E, 0x040E, 0x045F, 0x040F, 0x044E, 0x042E, 0x044A, 0x042A,
+	0x0430, 0x0410, 0x0431, 0x0411, 0x0446, 0x0426, 0x0434, 0x0414,
+	0x0435, 0x0415, 0x0444, 0x0424, 0x0433, 0x0413, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0445, 0x0425, 0x0438,
+	0x0418, 0x2563, 0x2551, 0x2557, 0x255D, 0x0439, 0x0419, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x043A, 0x041A,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+	0x043B, 0x041B, 0x043C, 0x041C, 0x043D, 0x041D, 0x043E, 0x041E,
+	0x043F, 0x2518, 0x250C, 0x2588, 0x2584, 0x041F, 0x044F, 0x2580,
+	0x042F, 0x0440, 0x0420, 0x0441, 0x0421, 0x0442, 0x0422, 0x0443,
+	0x0423, 0x0436, 0x0416, 0x0432, 0x0412, 0x044C, 0x042C, 0x2116,
+	0x00AD, 0x044B, 0x042B, 0x0437, 0x0417, 0x0448, 0x0428, 0x044D,
+	0x042D, 0x0449, 0x0429, 0x0447, 0x0427, 0x00A7, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 857
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP857(0x80-0xFF) to Unicode conversion table */
+	0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+	0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0131, 0x00C4, 0x00C5,
+	0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+	0x0130, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x015E, 0x015F,
+	0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x011E, 0x011F,
+	0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+	0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+	0x00BA, 0x00AA, 0x00CA, 0x00CB, 0x00C8, 0x0000, 0x00CD, 0x00CE,
+	0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+	0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x0000,
+	0x00D7, 0x00DA, 0x00DB, 0x00D9, 0x00EC, 0x00FF, 0x00AF, 0x00B4,
+	0x00AD, 0x00B1, 0x0000, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+	0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 858
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP858(0x80-0xFF) to Unicode conversion table */
+	0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+	0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+	0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+	0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+	0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+	0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+	0x00A9, 0x2563, 0x2551, 0x2557, 0x2550, 0x00A2, 0x00A5, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+	0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x20AC, 0x00CD, 0x00CE,
+	0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00C6, 0x00CC, 0x2580,
+	0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+	0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+	0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+	0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 862
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP862(0x80-0xFF) to Unicode conversion table */
+	0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+	0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+	0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+	0x05E8, 0x05E9, 0x05EA, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
+	0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+	0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+	0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+	0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+	0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+	0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
+	0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
+	0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
+	0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 866
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP866(0x80-0xFF) to Unicode conversion table */
+	0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+	0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+	0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+	0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+	0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+	0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+	0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+	0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+	0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+	0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+	0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+	0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+	0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+	0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
+	0x0401, 0x0451, 0x0404, 0x0454, 0x0407, 0x0457, 0x040E, 0x045E,
+	0x00B0, 0x2219, 0x00B7, 0x221A, 0x2116, 0x00A4, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 874
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP874(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x0000, 0x0000, 0x0000, 0x2026, 0x0000, 0x0000,
+	0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+	0x00A0, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07,
+	0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F,
+	0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17,
+	0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F,
+	0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27,
+	0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F,
+	0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37,
+	0x0E38, 0x0E39, 0x0E3A, 0x0000, 0x0000, 0x0000, 0x0000, 0x0E3F,
+	0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47,
+	0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F,
+	0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57,
+	0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0x0000, 0x0000, 0x0000, 0x0000
+};
+
+#elif _CODE_PAGE == 1250
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1250(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x0000, 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x0000, 0x2122, 0x0161, 0x203A, 0x015B, 0x0165, 0x017E, 0x017A,
+	0x00A0, 0x02C7, 0x02D8, 0x0141, 0x00A4, 0x0104, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x017B,
+	0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, 0x017C,
+	0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
+	0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
+	0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
+	0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
+	0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
+	0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
+	0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
+	0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9
+};
+
+#elif _CODE_PAGE == 1251
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1251(0x80-0xFF) to Unicode conversion table */
+	0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F,
+	0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x0000, 0x2111, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F,
+	0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7,
+	0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407,
+	0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7,
+	0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457,
+	0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+	0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+	0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+	0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+	0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+	0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+	0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+	0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F
+};
+
+#elif _CODE_PAGE == 1252
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1252(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x017D, 0x0000,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x017E, 0x0178,
+	0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+	0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+	0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+	0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+	0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+	0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+	0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+	0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+	0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF
+};
+
+#elif _CODE_PAGE == 1253
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1253(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x0000, 0x2030, 0x0000, 0x2039, 0x000C, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
+	0x00A0, 0x0385, 0x0386, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x0000, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, 0x00B6, 0x00B7,
+	0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F,
+	0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
+	0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
+	0x03A0, 0x03A1, 0x0000, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7,
+	0x03A8, 0x03A9, 0x03AA, 0x03AD, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
+	0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7,
+	0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
+	0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7,
+	0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x0000
+};
+
+#elif _CODE_PAGE == 1254
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1254(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x210A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
+	0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+	0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+	0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+	0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+	0x00D8, 0x00D9, 0x00DA, 0x00BD, 0x00DC, 0x0130, 0x015E, 0x00DF,
+	0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+	0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+	0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+	0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF
+};
+
+#elif _CODE_PAGE == 1255
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1255(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x02C6, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x02DC, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
+	0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+	0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
+	0x05B8, 0x05B9, 0x0000, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
+	0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
+	0x05F4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+	0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+	0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+	0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+	0x05E8, 0x05E9, 0x05EA, 0x0000, 0x0000, 0x200E, 0x200F, 0x0000
+};
+
+#elif _CODE_PAGE == 1256
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1256(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x02C6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
+	0x06AF, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x06A9, 0x2122, 0x0691, 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA,
+	0x00A0, 0x060C, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x061F,
+	0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
+	0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+	0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7,
+	0x0637, 0x0638, 0x0639, 0x063A, 0x0640, 0x0640, 0x0642, 0x0643,
+	0x00E0, 0x0644, 0x00E2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7,
+	0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF,
+	0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7,
+	0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2
+}
+
+#elif _CODE_PAGE == 1257
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1257(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x00A8, 0x02C7, 0x00B8,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x00AF, 0x02DB, 0x0000,
+	0x00A0, 0x0000, 0x00A2, 0x00A3, 0x00A4, 0x0000, 0x00A6, 0x00A7,
+	0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6,
+	0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112,
+	0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B,
+	0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7,
+	0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF,
+	0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113,
+	0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C,
+	0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7,
+	0x0173, 0x014E, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x02D9
+};
+
+#elif _CODE_PAGE == 1258
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = {	/*  CP1258(0x80-0xFF) to Unicode conversion table */
+	0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+	0x02C6, 0x2030, 0x0000, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
+	0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+	0x02DC, 0x2122, 0x0000, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
+	0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+	0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+	0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+	0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+	0x00C0, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+	0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x0300, 0x00CD, 0x00CE, 0x00CF,
+	0x0110, 0x00D1, 0x0309, 0x00D3, 0x00D4, 0x01A0, 0x00D6, 0x00D7,
+	0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x01AF, 0x0303, 0x00DF,
+	0x00E0, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+	0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0301, 0x00ED, 0x00EE, 0x00EF,
+	0x0111, 0x00F1, 0x0323, 0x00F3, 0x00F4, 0x01A1, 0x00F6, 0x00F7,
+	0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x01B0, 0x20AB, 0x00FF
+};
+
+#endif
+
+
+#if !_TBLDEF || !_USE_LFN
+#error This file is not needed in current configuration. Remove from the project.
+#endif
+
+
+WCHAR ff_convert (	/* Converted character, Returns zero on error */
+	WCHAR	src,	/* Character code to be converted */
+	UINT	dir		/* 0: Unicode to OEMCP, 1: OEMCP to Unicode */
+)
+{
+	WCHAR c;
+
+
+	if (src < 0x80) {	/* ASCII */
+		c = src;
+
+	} else {
+		if (dir) {		/* OEMCP to Unicode */
+			c = (src >= 0x100) ? 0 : Tbl[src - 0x80];
+
+		} else {		/* Unicode to OEMCP */
+			for (c = 0; c < 0x80; c++) {
+				if (src == Tbl[c]) break;
+			}
+			c = (c + 0x80) & 0xFF;
+		}
+	}
+
+	return c;
+}
+
+
+WCHAR ff_wtoupper (	/* Upper converted character */
+	WCHAR chr		/* Input character */
+)
+{
+	static const WCHAR tbl_lower[] = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xA1, 0x00A2, 0x00A3, 0x00A5, 0x00AC, 0x00AF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x0FF, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10B, 0x10D, 0x10F, 0x111, 0x113, 0x115, 0x117, 0x119, 0x11B, 0x11D, 0x11F, 0x121, 0x123, 0x125, 0x127, 0x129, 0x12B, 0x12D, 0x12F, 0x131, 0x133, 0x135, 0x137, 0x13A, 0x13C, 0x13E, 0x140, 0x142, 0x144, 0x146, 0x148, 0x14B, 0x14D, 0x14F, 0x151, 0x153, 0x155, 0x157, 0x159, 0x15B, 0x15D, 0x15F, 0x161, 0x163, 0x165, 0x167, 0x169, 0x16B, 0x16D, 0x16F, 0x171, 0x173, 0x175, 0x177, 0x17A, 0x17C, 0x17E, 0x192, 0x3B1, 0x3B2, 0x3B3, 0x3B4, 0x3B5, 0x3B6, 0x3B7, 0x3B8, 0x3B9, 0x3BA, 0x3BB, 0x3BC, 0x3BD, 0x3BE, 0x3BF, 0x3C0, 0x3C1, 0x3C3, 0x3C4, 0x3C5, 0x3C6, 0x3C7, 0x3C8, 0x3C9, 0x3CA, 0x430, 0x431, 0x432, 0x433, 0x434, 0x435, 0x436, 0x437, 0x438, 0x439, 0x43A, 0x43B, 0x43C, 0x43D, 0x43E, 0x43F, 0x440, 0x441, 0x442, 0x443, 0x444, 0x445, 0x446, 0x447, 0x448, 0x449, 0x44A, 0x44B, 0x44C, 0x44D, 0x44E, 0x44F, 0x451, 0x452, 0x453, 0x454, 0x455, 0x456, 0x457, 0x458, 0x459, 0x45A, 0x45B, 0x45C, 0x45E, 0x45F, 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, 0xFF58, 0xFF59, 0xFF5A, 0 };
+	static const WCHAR tbl_upper[] = { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x21, 0xFFE0, 0xFFE1, 0xFFE5, 0xFFE2, 0xFFE3, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0x178, 0x100, 0x102, 0x104, 0x106, 0x108, 0x10A, 0x10C, 0x10E, 0x110, 0x112, 0x114, 0x116, 0x118, 0x11A, 0x11C, 0x11E, 0x120, 0x122, 0x124, 0x126, 0x128, 0x12A, 0x12C, 0x12E, 0x130, 0x132, 0x134, 0x136, 0x139, 0x13B, 0x13D, 0x13F, 0x141, 0x143, 0x145, 0x147, 0x14A, 0x14C, 0x14E, 0x150, 0x152, 0x154, 0x156, 0x158, 0x15A, 0x15C, 0x15E, 0x160, 0x162, 0x164, 0x166, 0x168, 0x16A, 0x16C, 0x16E, 0x170, 0x172, 0x174, 0x176, 0x179, 0x17B, 0x17D, 0x191, 0x391, 0x392, 0x393, 0x394, 0x395, 0x396, 0x397, 0x398, 0x399, 0x39A, 0x39B, 0x39C, 0x39D, 0x39E, 0x39F, 0x3A0, 0x3A1, 0x3A3, 0x3A4, 0x3A5, 0x3A6, 0x3A7, 0x3A8, 0x3A9, 0x3AA, 0x410, 0x411, 0x412, 0x413, 0x414, 0x415, 0x416, 0x417, 0x418, 0x419, 0x41A, 0x41B, 0x41C, 0x41D, 0x41E, 0x41F, 0x420, 0x421, 0x422, 0x423, 0x424, 0x425, 0x426, 0x427, 0x428, 0x429, 0x42A, 0x42B, 0x42C, 0x42D, 0x42E, 0x42F, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, 0x408, 0x409, 0x40A, 0x40B, 0x40C, 0x40E, 0x40F, 0x2160, 0x2161, 0x2162, 0x2163, 0x2164, 0x2165, 0x2166, 0x2167, 0x2168, 0x2169, 0x216A, 0x216B, 0x216C, 0x216D, 0x216E, 0x216F, 0xFF21, 0xFF22, 0xFF23, 0xFF24, 0xFF25, 0xFF26, 0xFF27, 0xFF28, 0xFF29, 0xFF2A, 0xFF2B, 0xFF2C, 0xFF2D, 0xFF2E, 0xFF2F, 0xFF30, 0xFF31, 0xFF32, 0xFF33, 0xFF34, 0xFF35, 0xFF36, 0xFF37, 0xFF38, 0xFF39, 0xFF3A, 0 };
+	int i;
+
+
+	for (i = 0; tbl_lower[i] && chr != tbl_lower[i]; i++) ;
+
+	return tbl_lower[i] ? tbl_upper[i] : chr;
+}