Code for autonomous rover for Sparkfun AVC. DataBus won 3rd in 2012 and the same code was used on Troubled Child, a 1986 Jeep Grand Wagoneer to win 1st in 2014.

Dependencies:   mbed Watchdog SDFileSystem DigoleSerialDisp

Files at this revision

API Documentation at this revision

Comitter:
shimniok
Date:
Thu Nov 29 16:50:46 2018 +0000
Parent:
11:33757b21d0e4
Child:
13:14f56b76aa23
Commit message:
Updated sensors, removed FAT filesystem class (now part of mbed I think), Updated Buttons and Shell

Changed in this revision

SDFileSystem/FATFileSystem/Core/diskio.cpp Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Core/diskio.h Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Core/ff.cpp Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Core/ff.h Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Core/ffconf.h Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Core/integer.h Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Interface/FATDirHandle.cpp Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Interface/FATDirHandle.h Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Interface/FATFileHandle.cpp Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Interface/FATFileHandle.h Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Interface/FATFileSystem.cpp Show diff for this revision Revisions of this file
SDFileSystem/FATFileSystem/Interface/FATFileSystem.h Show diff for this revision Revisions of this file
Sensors/Sensors.cpp Show annotated file Show diff for this revision Revisions of this file
Sensors/Sensors.h Show annotated file Show diff for this revision Revisions of this file
UI/Buttons/Buttons.cpp Show annotated file Show diff for this revision Revisions of this file
UI/shell.cpp Show annotated file Show diff for this revision Revisions of this file
UI/shell.h Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- a/SDFileSystem/FATFileSystem/Core/diskio.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,138 +0,0 @@
-/*-----------------------------------------------------------------------*/
-/* 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. */
-/*-----------------------------------------------------------------------*/
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#include "diskio.h"
-
-DSTATUS disk_initialize(BYTE drv) 
-{
-    if (FATFileSystem::DriveArray[drv])
-    {
-        return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_initialize();
-    }
-    else
-    {
-        return STA_NOINIT;
-    }
-}
-
-DSTATUS disk_status(BYTE drv) 
-{
-    if (FATFileSystem::DriveArray[drv])
-    {
-        return (DSTATUS)FATFileSystem::DriveArray[drv]->disk_status();
-    }
-    else
-    {
-        return STA_NOINIT;
-    }
-}
-
-DRESULT disk_read(BYTE drv, BYTE* buff, DWORD sector, BYTE count)
-{
-    if (FATFileSystem::DriveArray[drv])
-    {
-        return (DRESULT)FATFileSystem::DriveArray[drv]->disk_read((unsigned char*)buff,
-            (unsigned long)sector, (unsigned char)count);
-    }
-    else
-    {
-        return RES_NOTRDY;
-    }
-}
-
-#if _READONLY == 0
-DRESULT disk_write(BYTE drv, const BYTE* buff, DWORD sector, BYTE count)
-{
-    if (FATFileSystem::DriveArray[drv])
-    {
-        return (DRESULT)FATFileSystem::DriveArray[drv]->disk_write((const unsigned char*)buff,
-            (unsigned long)sector, (unsigned char)count);
-    }
-    else
-    {
-        return RES_NOTRDY;
-    }
-}
-#endif
-
-DRESULT disk_ioctl(BYTE drv, BYTE ctrl, void* buff)
-{
-    switch (ctrl)
-    {
-        case CTRL_SYNC:
-            if (FATFileSystem::DriveArray[drv])
-            {
-                return (DRESULT)FATFileSystem::DriveArray[drv]->disk_sync();
-            }
-            else
-            {
-                return RES_NOTRDY;
-            } 
-
-        case GET_SECTOR_SIZE:
-            if (FATFileSystem::DriveArray[drv])
-            {
-                WORD Result = FATFileSystem::DriveArray[drv]->disk_sector_size();
-                if (Result > 0)
-                {
-                    *((WORD*)buff) = Result;
-                    return RES_OK;
-                }
-                else
-                {
-                    return RES_ERROR;
-                }
-            }
-            else
-            {
-                return RES_NOTRDY;
-            }
-
-        case GET_SECTOR_COUNT:
-            if (FATFileSystem::DriveArray[drv])
-            {
-                DWORD Result = FATFileSystem::DriveArray[drv]->disk_sector_count();
-                if (Result > 0)
-                {
-                    *((DWORD*)buff) = Result;
-                    return RES_OK;
-                }
-                else
-                {
-                    return RES_ERROR;
-                }
-            }
-            else
-            {
-                return RES_NOTRDY;
-            }
-
-        case GET_BLOCK_SIZE:
-            if (FATFileSystem::DriveArray[drv])
-            {
-                DWORD Result = FATFileSystem::DriveArray[drv]->disk_block_size();
-                if (Result > 0)
-                {
-                    *((DWORD*)buff) = Result;
-                    return RES_OK;
-                }
-                else
-                {
-                    return RES_ERROR;
-                }
-            }
-            else
-            {
-                return RES_NOTRDY;
-            }
-
-        default:
-            return RES_PARERR;
-    }
-}
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/diskio.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,57 +0,0 @@
-/*-----------------------------------------------------------------------
-/  Low level disk interface module include file  R0.06   (C)ChaN, 2007
-/-----------------------------------------------------------------------*/
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#ifndef _DISKIO
-#define _DISKIO
-
-#define _READONLY   0
-#define _USE_IOCTL  1
-
-#include "integer.h"
-#include "FATFileSystem.h"
-#include <stdio.h>
-
-/* Status of Disk Functions */
-typedef BYTE    DSTATUS;
-#define STA_NOINIT  0x01    /* Drive not initialized */
-#define STA_NODISK  0x02    /* No medium in the drive */
-#define STA_PROTECT 0x04    /* Write protected */
-/* Results of Disk Functions */
-typedef enum
-{
-    RES_OK = 0,     /* 0: Successful */
-    RES_ERROR,      /* 1: R/W Error */
-    RES_WRPRT,      /* 2: Write Protected */
-    RES_NOTRDY,     /* 3: Not Ready */
-    RES_PARERR      /* 4: Invalid Parameter */
-} DRESULT;
-
-/* Prototypes for disk control functions */
-DSTATUS disk_initialize (BYTE);
-DSTATUS disk_status (BYTE);
-DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
-#if    _READONLY == 0
-DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
-#endif
-DRESULT disk_ioctl (BYTE, BYTE, void*);
-/* Command code for disk_ioctrl() */
-#define CTRL_SYNC           0   /* Mandatory for read/write configuration */
-#define GET_SECTOR_COUNT    1   /* Mandatory for only f_mkfs() */
-#define GET_SECTOR_SIZE     2
-#define GET_BLOCK_SIZE      3   /* Mandatory for only f_mkfs() */
-#define CTRL_POWER          4
-#define CTRL_LOCK           5
-#define CTRL_EJECT          6
-#define MMC_GET_TYPE        10  /* MMC/SDC command */
-#define MMC_GET_CSD         11
-#define MMC_GET_CID         12
-#define MMC_GET_OCR         13
-#define MMC_GET_SDSTAT      14
-#define ATA_GET_REV         20  /* ATA/CF command */
-#define ATA_GET_MODEL       21
-#define ATA_GET_SN          22
-
-#endif
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/ff.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,3555 +0,0 @@
-/*----------------------------------------------------------------------------/
-/  FatFs - FAT file system module  R0.08                  (C)ChaN, 2010
-/-----------------------------------------------------------------------------/
-/ 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) 2010, 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 buffer configuration option.
-/                   Added long file name support.
-/                   Added multiple code page support.
-/                   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 support.
-/ 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)
-/                   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.
-/---------------------------------------------------------------------------*/
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#include "ff.h"            /* FatFs configurations and declarations */
-#include "diskio.h"        /* Declarations of low level disk I/O functions */
-
-
-/*--------------------------------------------------------------------------
-
-   Module Private Definitions
-
----------------------------------------------------------------------------*/
-
-#if _FATFS != 8085
-#error Wrong include file (ff.h).
-#endif
-
-
-/* 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 */
-
-
-/* Definitions corresponds to multiple sector size */
-#if _MAX_SS == 512        /* Single sector size */
-#define    SS(fs)    512U
-#elif _MAX_SS == 1024 || _MAX_SS == 2048 || _MAX_SS == 4096    /* Multiple sector size */
-#define    SS(fs)    ((fs)->ssize)
-#else
-#error Wrong 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); }
-
-
-/* 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        /* Offset of name status byte */
-#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 */
-
-
-
-/*------------------------------------------------------------*/
-/* Work area                                                  */
-
-#if !_DRIVES
-#error Number of drives must not be 0.
-#endif
-static
-WORD Fsid;                /* File system mount ID */
-static
-FATFS *FatFs[_DRIVES];    /* Pointer to the file system objects (logical drives) */
-
-#if _FS_RPATH
-static
-BYTE Drive;                /* Current drive */
-#endif
-
-
-#if _USE_LFN == 0            /* No LFN */
-#define    DEF_NAMEBUF            BYTE sfn[12]
-#define INIT_BUF(dobj)        (dobj).fn = sfn
-#define    FREE_BUF()
-
-#elif _USE_LFN == 1            /* LFN with static LFN 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 with dynamic LFN 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 with dynamic LFN 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, int 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, int cnt) {
-    BYTE *d = (BYTE*)dst;
-
-    while (cnt--)
-        *d++ = (BYTE)val;
-}
-
-/* Compare memory to memory */
-static
-int mem_cmp (const void* dst, const void* src, int 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 */
-    FAT_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 (dj->fs->flsem[i].ctr) {    /* Existing entry */
-            if (dj->fs->flsem[i].clu == dj->sclust &&     /* The file is found (identified with its location) */
-                dj->fs->flsem[i].idx == dj->index) break;
-        } else {                    /* Blank entry */
-            be++;
-        }
-    }
-    if (i == _FS_SHARE)    /* The file has not been 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 || dj->fs->flsem[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
-}
-
-
-static
-int enq_lock (    /* Check if an entry is available for a new file */
-    FATFS* fs    /* File system object */
-)
-{
-    UINT i;
-
-    for (i = 0; i < _FS_SHARE && fs->flsem[i].ctr; i++) ;
-    return (i == _FS_SHARE) ? 0 : 1;
-}
-
-
-static
-UINT inc_lock (    /* Increment file open counter and returns its index (0:int error) */
-    FAT_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 (dj->fs->flsem[i].ctr &&
-            dj->fs->flsem[i].clu == dj->sclust &&
-            dj->fs->flsem[i].idx == dj->index) break;
-    }
-
-    if (i == _FS_SHARE) {                /* Not opened. Register it as new. */
-        for (i = 0; i < _FS_SHARE && dj->fs->flsem[i].ctr; i++) ;
-        if (i == _FS_SHARE) return 0;    /* No space to register (int err) */
-        dj->fs->flsem[i].clu = dj->sclust;
-        dj->fs->flsem[i].idx = dj->index;
-    }
-
-    if (acc && dj->fs->flsem[i].ctr) return 0;    /* Access violation (int err) */
-
-    dj->fs->flsem[i].ctr = acc ? 0x100 : dj->fs->flsem[i].ctr + 1;    /* Set semaphore value */
-
-    return i + 1;
-}
-
-
-static
-FRESULT dec_lock (    /* Decrement file open counter */
-    FATFS* fs,        /* File system object */
-    UINT i            /* Semaphore index */
-)
-{
-    WORD n;
-    FRESULT res;
-
-
-    if (--i < _FS_SHARE) {
-        n = fs->flsem[i].ctr;
-        if (n >= 0x100) n = 0;
-        if (n) n--;
-        fs->flsem[i].ctr = n;
-        res = FR_OK;
-    } else {
-        res = FR_INT_ERR;
-    }
-    return res;
-}
-
-#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;
-            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);
-            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, (void*)0) != RES_OK)
-            res = FR_DISK_ERR;
-    }
-
-    return res;
-}
-#endif
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* 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 (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;
-            }
-            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;
-
-
-    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 */
-    }
-
-    if (put_fat(fs, ncl, 0x0FFFFFFF))    /* Mark the new cluster "last link" */
-        return 0xFFFFFFFF;
-    if (clst != 0) {                    /* Link it to the previous one if needed */
-        if (put_fat(fs, clst, ncl))
-            return 0xFFFFFFFF;
-    }
-
-    fs->last_clust = ncl;                /* Update FSINFO */
-    if (fs->free_clust != 0xFFFFFFFF) {
-        fs->free_clust--;
-        fs->fsi_flag = 1;
-    }
-
-    return ncl;        /* Return new cluster number */
-}
-#endif /* !_FS_READONLY */
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* 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;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Directory handling - Set directory index                              */
-/*-----------------------------------------------------------------------*/
-
-static
-FRESULT dir_sdi (
-    FAT_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 */
-        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) / 32);    /* Sector# */
-    }
-    else {                /* Dynamic table */
-        ic = SS(dj->fs) / 32 * 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) / 32);    /* Sector# */
-    }
-
-    dj->dir = dj->fs->win + (idx % (SS(dj->fs) / 32)) * 32;    /* 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 */
-    FAT_DIR *dj,        /* Pointer to directory object */
-    int stretch        /* 0: Do not stretch table, 1: Stretch table if needed */
-)
-{
-    DWORD clst;
-    WORD i;
-
-
-    i = dj->index + 1;
-    if (!i || !dj->sect)    /* Report EOT when index has reached 65535 */
-        return FR_NO_FILE;
-
-    if (!(i % (SS(dj->fs) / 32))) {    /* 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) / 32)) & (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) / 32)) * 32;
-
-    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 */
-)
-{
-    int i, s;
-    WCHAR wc, uc;
-
-
-    i = ((dir[LDIR_Ord] & 0xBF) - 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] & 0x40) && 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 */
-)
-{
-    int 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] & 0x40) {                /* 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 */
-)
-{
-    int 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 |= 0x40;    /* 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;
-    int 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 */
-    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;
-    int 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 (
-    FAT_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 == 0xE5 || ((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 & 0x40) {        /* Is it start of LFN sequence? */
-                        sum = dir[LDIR_Chksum];
-                        c &= 0xBF; 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 (
-    FAT_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 == 0xE5 || (!_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 & 0x40) {            /* Is it start of LFN sequence? */
-                    sum = dir[LDIR_Chksum];
-                    c &= 0xBF; 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 != 0xE5 && (_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 */
-    FAT_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)) return FR_INVALID_NAME;    /* Cannot create dot entry */
-
-    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 == 0xE5 || 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 == 0xE5 || 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, 32);        /* 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 */
-    FAT_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 = 0xE5;            /* 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 = 0xE5;            /* 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 (
-    FAT_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;
-    int i, ni, si, di;
-    const TCHAR *p;
-
-    /* Create LFN in Unicode */
-    si = di = 0;
-    p = *path;
-    lfn = dj->lfn;
-    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)) {                /* If it is a DBC 1st byte */
-            b = p[si++];                /* Get 2nd byte */
-            if (!IsDBCS2(b))            /* Reject invalid code for DBC */
-                return FR_INVALID_NAME;
-            w = (w << 8) + b;
-        }
-        w = ff_convert(w, 1);            /* Convert 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 */
-            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] == 0xE5) dj->fn[0] = 0x05;    /* 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;
-    int ni, si, i;
-    const char *p;
-
-    /* Create file name in directory form */
-    sfn = dj->fn;
-    mem_set(sfn, ' ', 11);
-    si = i = b = 0; ni = 8;
-    p = *path;
-#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 */
-#ifdef _EXCVT
-            c = excvt[c - 0x80];        /* Convert extend char (SBCS) */
-#else
-            b |= 3;                        /* Eliminate NT flag if extended char is exist */
-#if !_DF1S    /* ASCII only cfg */
-            return FR_INVALID_NAME;
-#endif
-#endif
-        }
-        if (IsDBCS1(c)) {                /* DBC 1st byte? */
-            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] == 0xE5) sfn[0] = 0x05;    /* When first char collides with 0xE5, 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 */
-    FAT_DIR *dj,            /* Pointer to the directory object */
-    FILINFO *fno         /* Pointer to the file information to be filled */
-)
-{
-    int 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 == 0x05) c = (TCHAR)0xE5;
-            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;
-
-#if _USE_LFN
-    if (fno->lfname) {
-        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 */
-                    tp[i++] = (TCHAR)(w >> 8);
-#endif
-                if (i >= fno->lfsize - 1) { i = 0; break; }    /* Buffer overrun, no LFN */
-                tp[i++] = (TCHAR)w;
-            }
-        }
-        tp[i] = 0;    /* Terminator */
-    }
-#endif
-}
-#endif /* _FS_MINIMIZE <= 1 */
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Follow a file path                                                    */
-/*-----------------------------------------------------------------------*/
-
-static
-FRESULT follow_path (    /* FR_OK(0): successful, !=0: error code */
-    FAT_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 = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO);
-        }
-    }
-
-    return res;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Load boot record and check if it is an FAT boot record                */
-/*-----------------------------------------------------------------------*/
-
-static
-BYTE check_fs (    /* 0:The FAT BR, 1:Valid BR but not an 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;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Make sure that the file system is valid                               */
-/*-----------------------------------------------------------------------*/
-
-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, *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 = Drive;                /* Use current drive */
-#else
-        vol = 0;                    /* Use drive 0 */
-#endif
-    }
-
-    /* Check if the logical drive is valid or not */
-    if (vol >= _DRIVES)             /* 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
-            if (chk_wp && (stat & STA_PROTECT))    /* Check write protection if needed */
-                return FR_WRITE_PROTECTED;
-#endif
-            return FR_OK;            /* The file system object is valid */
-        }
-    }
-
-    /* The logical drive must be mounted. Following code attempts to mount the volume (initialize the file system object) */
-
-    fs->fs_type = 0;                    /* Clear the file system object */
-    fs->drv = (BYTE)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 drive is ready */
-        return FR_NOT_READY;
-#if _MAX_SS != 512                        /* Get disk sector size if needed */
-    if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
-        return FR_NO_FILESYSTEM;
-#endif
-#if !_FS_READONLY
-    if (chk_wp && (stat & STA_PROTECT))    /* Check disk write protection if needed */
-        return FR_WRITE_PROTECTED;
-#endif
-    /* Search FAT partition on the drive (Supports only generic partitionings, FDISK and SFD) */
-    fmt = check_fs(fs, bsect = 0);        /* Check sector 0 if it is a VBR */
-    if (fmt == 1) {                        /* Not an FAT-VBR, the disk may be partitioned */
-        /* Check the partition listed in top of the partition table */
-        tbl = &fs->win[MBR_Table + LD2PT(vol) * 16];    /* 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 */
-
-    /* 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 1,2,4...128) */
-
-    fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);    /* Number of root directory entries */
-    if (fs->n_rootdir % (SS(fs) / 32)) 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) / 32);    /* RSV+FAT+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))    /* (FAT size must not be less than FAT sectors */
-        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 */
-    for (vol = 0; vol < _FS_SHARE; vol++)
-        fs->flsem[vol].ctr = 0;
-#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 >= _DRIVES)                /* Check if the drive number is valid */
-        return FR_INVALID_DRIVE;
-    rfs = FatFs[vol];                /* Get current fs object */
-
-    if (rfs) {
-#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 (
-    FAT_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;
-    FAT_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(dj.fs) ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
-#else
-                res = dir_register(&dj);
-#endif
-            mode |= FA_CREATE_ALWAYS;
-            dir = dj.dir;                /* New entry */
-        }
-        else {                            /* Any object is already existing */
-            if (mode & FA_CREATE_NEW) {            /* Cannot create new */
-                res = FR_EXIST;
-            } else {
-                if (dir[DIR_Attr] & (AM_RDO | AM_DIR))    /* Cannot overwrite it (R/O or DIR) */
-                    res = FR_DENIED;
-            }
-        }
-        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 = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO);    /* Get start cluster */
-            ST_WORD(dir+DIR_FstClusHI, 0);        /* cluster = 0 */
-            ST_WORD(dir+DIR_FstClusLO, 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_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW))
-            mode |= FA__WRITTEN;                /* Set file changed flag */
-        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->org_clust =                        /* File start cluster */
-            ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO);
-        fp->fsize = LD_DWORD(dir+DIR_FileSize);    /* File size */
-        fp->fptr = 0;                        /* File pointer */
-        fp->dsect = 0;
-#if _USE_FASTSEEK
-        fp->cltbl = 0;                        /* No cluster link map table */
-#endif
-        fp->fs = dj.fs; fp->id = dj.fs->id;    /* Validate file object */
-    }
-
-    LEAVE_FF(dj.fs, res);
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Read File                                                             */
-/*-----------------------------------------------------------------------*/
-
-FRESULT f_read (
-    FAT_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 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 (!(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 transferred */
-        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? */
-                clst = (fp->fptr == 0) ?            /* On the top of the file? */
-                    fp->org_clust : get_fat(fp->fs, fp->curr_clust);
-                if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
-                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-                fp->curr_clust = clst;                /* Update current cluster */
-            }
-            sect = clust2sect(fp->fs, fp->curr_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 !_FS_READONLY
-            if (fp->flag & FA__DIRTY) {            /* Write sector I/O buffer if needed */
-                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 (fp->dsect != sect) {            /* Fill sector buffer with file data */
-                if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
-                    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 (
-    FAT_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 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 (!(fp->flag & FA_WRITE))                        /* Check access mode */
-        LEAVE_FF(fp->fs, FR_DENIED);
-    if (fp->fsize + btw < fp->fsize) btw = 0;        /* File size cannot reach 4GB */
-
-    for ( ;  btw;                                    /* Repeat until all data transferred */
-        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->org_clust;            /* Follow from the origin */
-                    if (clst == 0)                    /* When there is no cluster chain, */
-                        fp->org_clust = clst = create_chain(fp->fs, 0);    /* Create a new cluster chain */
-                } else {                            /* Middle or end of the file */
-                    clst = create_chain(fp->fs, fp->curr_clust);            /* Follow or stretch cluster chain */
-                }
-                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->curr_clust = clst;                /* Update current cluster */
-            }
-#if _FS_TINY
-            if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0))    /* Write back data buffer prior to following direct transfer */
-                ABORT(fp->fs, FR_DISK_ERR);
-#else
-            if (fp->flag & FA__DIRTY) {        /* Write back data buffer prior to following direct transfer */
-                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->curr_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 dirty 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 dirty 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 buffer 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 buffer 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 changed flag */
-
-    LEAVE_FF(fp->fs, FR_OK);
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Synchronize the File Object                                           */
-/*-----------------------------------------------------------------------*/
-
-FRESULT f_sync (
-    FAT_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_WORD(dir+DIR_FstClusLO, fp->org_clust);    /* Update start cluster */
-                ST_WORD(dir+DIR_FstClusHI, fp->org_clust >> 16);
-                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 (
-    FAT_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->fs, fp->lockid);    
-            unlock_fs(fp->fs, FR_OK);
-        }
-#else
-        res = dec_lock(fp->fs, fp->lockid);
-#endif
-    }
-#endif
-    if (res == FR_OK) fp->fs = 0;    /* Discard file object */
-    return res;
-#endif
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Change Current Drive/Directory                                        */
-/*-----------------------------------------------------------------------*/
-
-#if _FS_RPATH
-
-FRESULT f_chdrive (
-    BYTE drv        /* Drive number */
-)
-{
-    if (drv >= _DRIVES) return FR_INVALID_DRIVE;
-
-    Drive = drv;
-
-    return FR_OK;
-}
-
-
-
-
-FRESULT f_chdir (
-    const TCHAR *path    /* Pointer to the directory path */
-)
-{
-    FRESULT res;
-    FAT_DIR dj;
-    BYTE *dir;
-    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 */
-            dir = dj.dir;                    /* Pointer to the entry */
-            if (!dir) {
-                dj.fs->cdir = dj.sclust;    /* Start directory itself */
-            } else {
-                if (dir[DIR_Attr] & AM_DIR)    /* Reached to the directory */
-                    dj.fs->cdir = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO);
-                else
-                    res = FR_NO_PATH;        /* Reached but a file */
-            }
-        }
-        if (res == FR_NO_FILE) res = FR_NO_PATH;
-    }
-
-    LEAVE_FF(dj.fs, res);
-}
-
-#endif
-
-
-
-#if _FS_MINIMIZE <= 2
-/*-----------------------------------------------------------------------*/
-/* Seek File R/W Pointer                                                 */
-/*-----------------------------------------------------------------------*/
-
-FRESULT f_lseek (
-    FAT_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, *tbl = fp->cltbl;
-        BYTE csc;
-
-        tlen = *tbl++;
-        if (ofs == CREATE_LINKMAP) {    /* Create link map table */
-            cl = fp->org_clust;
-            if (cl) {
-                do {
-                    if (tlen < 4) {    /* Not enough table items */
-                        res = FR_NOT_ENOUGH_CORE; break;
-                    }
-                    tcl = cl; ncl = 0;
-                    do {        /* Get a fragment and store the top and length */
-                        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);
-                    *tbl++ = ncl; *tbl++ = tcl;
-                    tlen -= 2;
-                } while (cl < fp->fs->n_fatent);
-            }
-            *tbl = 0;    /* Terminate table */
-
-        } else {                        /* Fast seek */
-            if (ofs > fp->fsize)        /* Clip offset at the file size */
-                ofs = fp->fsize;
-            fp->fptr = ofs;                /* Set file pointer */
-            if (ofs) {
-                dsc = (ofs - 1) / SS(fp->fs);
-                cl = dsc / fp->fs->csize;
-                for (;;) {
-                    ncl = *tbl++;
-                    if (!ncl) ABORT(fp->fs, FR_INT_ERR);
-                    if (cl < ncl) break;
-                    cl -= ncl; tbl++;
-                }
-                fp->curr_clust = cl + *tbl;
-                csc = (BYTE)(dsc & (fp->fs->csize - 1));
-                dsc = clust2sect(fp->fs, fp->curr_clust);
-                if (!dsc) ABORT(fp->fs, FR_INT_ERR);
-                dsc += csc;
-                if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {
-#if !_FS_TINY
-#if !_FS_READONLY
-                    if (fp->flag & FA__DIRTY) {        /* Flush dirty buffer if needed */
-                        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)
-                        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->curr_clust;
-            } else {                                    /* When seek to back cluster, */
-                clst = fp->org_clust;                    /* 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->org_clust = clst;
-                }
-#endif
-                fp->curr_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->curr_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) {
-#if !_FS_TINY
-#if !_FS_READONLY
-            if (fp->flag & FA__DIRTY) {            /* Flush dirty buffer if needed */
-                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)
-                ABORT(fp->fs, FR_DISK_ERR);
-#endif
-            fp->dsect = nsect;
-        }
-#if !_FS_READONLY
-        if (fp->fptr > fp->fsize) {            /* Set changed 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 (
-    FAT_DIR *dj,            /* Pointer to directory object to create */
-    const TCHAR *path    /* Pointer to the directory path */
-)
-{
-    FRESULT res;
-    BYTE *dir;
-    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 */
-            dir = dj->dir;
-            if (dir) {                            /* It is not the current dir */
-                if (dir[DIR_Attr] & AM_DIR) {    /* The object is a directory */
-                    dj->sclust = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO);
-                } 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 (
-    FAT_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);
-        } else {
-            INIT_BUF(*dj);
-            res = dir_read(dj);
-            if (res == FR_NO_FILE) {
-                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;
-    FAT_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 (
-    FAT_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->org_clust);
-                fp->org_clust = 0;
-            } else {                /* When truncate a part of the file, remove remaining clusters */
-                ncl = get_fat(fp->fs, fp->curr_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->curr_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;
-    FAT_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 = ((DWORD)LD_WORD(dir+DIR_FstClusHI) << 16) | LD_WORD(dir+DIR_FstClusLO);
-            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(FAT_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;
-    FAT_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_WORD(dir+DIR_FstClusLO, dcl);
-                ST_WORD(dir+DIR_FstClusHI, dcl >> 16);
-                mem_cpy(dir+32, dir, 32);             /* Create ".." entry */
-                dir[33] = '.'; pcl = dj.sclust;
-                if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
-                    pcl = 0;
-                ST_WORD(dir+32+DIR_FstClusLO, pcl);
-                ST_WORD(dir+32+DIR_FstClusHI, pcl >> 16);
-                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_WORD(dir+DIR_FstClusLO, dcl);        /* Table start cluster */
-                ST_WORD(dir+DIR_FstClusHI, dcl >> 16);
-                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;
-    FAT_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;
-    FAT_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;
-    FAT_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(FAT_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, (DWORD)LD_WORD(dir+DIR_FstClusHI) | LD_WORD(dir+DIR_FstClusLO));
-                            if (!dw) {
-                                res = FR_INT_ERR;
-                            } else {
-                                res = move_window(djn.fs, dw);
-                                dir = djn.fs->win+32;    /* .. entry */
-                                if (res == FR_OK && dir[1] == '.') {
-                                    dw = (djn.fs->fs_type == FS_FAT32 && djn.sclust == djn.fs->dirbase) ? 0 : djn.sclust;
-                                    ST_WORD(dir+DIR_FstClusLO, dw);
-                                    ST_WORD(dir+DIR_FstClusHI, dw >> 16);
-                                    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 (
-    FAT_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->org_clust : get_fat(fp->fs, fp->curr_clust);
-                if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
-                if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
-                fp->curr_clust = clst;                /* Update current cluster */
-            }
-        }
-        sect = clust2sect(fp->fs, fp->curr_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            /* Multiple of 32 */
-#define N_FATS        1            /* 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, *tbl;
-    DWORD n_clst, vs, n;
-    UINT as, i;
-    DWORD b_vol, b_fat, b_dir, b_data;        /* Area offset (LBA) */
-    DWORD n_vol, n_rsv, n_fat, n_dir;        /* Area size */
-    FATFS *fs;
-    DSTATUS stat;
-
-
-    /* Check mounted drive and clear work area */
-    if (drv >= _DRIVES) return FR_INVALID_DRIVE;
-    fs = FatFs[drv];
-    if (!fs) return FR_NOT_ENABLED;
-    fs->fs_type = 0;
-    drv = LD2PD(drv);
-
-    /* Get disk statics */
-    stat = disk_initialize(drv);
-    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(drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
-        return FR_DISK_ERR;
-#endif
-    if (disk_ioctl(drv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
-        return FR_DISK_ERR;
-    b_vol = (sfd == 1) ? 0 : 63;    /* Volume start sector */
-    n_vol -= b_vol;
-    if (au & (au - 1)) au = 0;        /* Check validity of the allocation unit size */
-    if (!au) {                        /* AU auto selection */
-        vs = n_vol / (2000 / (SS(fs) / 512));
-        for (i = 0; vs < vst[i]; i++) ;
-        au = cst[i];
-    }
-    if (_MAX_SS != 512 && au < SS(fs)) au = SS(fs);
-    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 = N_ROOTDIR * 32UL / 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) return FR_MKFS_ABORTED;    /* Too small volume */
-
-    /* Align data start sector to erase block boundary (for flash memory media) */
-    if (disk_ioctl(drv, GET_BLOCK_SIZE, &n) != RES_OK) return FR_DISK_ERR;
-    if (!n || n > 32768) return FR_MKFS_ABORTED;
-    n = (b_data + n - 1) & ~(n - 1);    /* Next nearest boundary from current data start */
-    n = (n - b_data) / N_FATS;
-    if (fmt == FS_FAT32) {        /* FAT32: Move FAT start */
-        n_rsv += n;
-        b_fat += n;
-    } else {                    /* FAT12/16: Expand FAT size */
-        n_fat += n;
-    }
-    /* b_dir and b_data are no longer used below */
-
-    /* Determine number of cluster 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;
-
-    /* Create partition table if required */
-    if (sfd == 1) {
-        md = 0xF0;
-    } else {
-        DWORD n_disk = b_vol + n_vol;
-
-        mem_set(fs->win, 0, SS(fs));
-        tbl = fs->win+MBR_Table;
-        ST_DWORD(tbl, 0x00010180);        /* Partition start in CHS */
-        if (n_disk < 63UL * 255 * 1024) {    /* Partition end in CHS */
-            n_disk = n_disk / 63 / 255;
-            tbl[7] = (BYTE)n_disk;
-            tbl[6] = (BYTE)((n_disk >> 2) | 63);
-        } else {
-            ST_WORD(&tbl[6], 0xFFFF);
-        }
-        tbl[5] = 254;
-        if (fmt != FS_FAT32)            /* System ID */
-            tbl[4] = (n_vol < 0x10000) ? 0x04 : 0x06;
-        else
-            tbl[4] = 0x0c;
-        ST_DWORD(tbl+8, 63);            /* Partition start in LBA */
-        ST_DWORD(tbl+12, n_vol);        /* Partition size in LBA */
-        ST_WORD(tbl+64, 0xAA55);        /* Signature */
-        if (disk_write(drv, fs->win, 0, 1) != RES_OK)
-            return FR_DISK_ERR;
-        md = 0xF8;
-    }
-
-    /* Create VBR */
-    tbl = fs->win;                                /* Clear buffer */
-    mem_set(tbl, 0, SS(fs));
-    ST_DWORD(tbl+BS_jmpBoot, 0x90FEEB);            /* Boot code (jmp $, nop) */
-    as = SS(fs);                                /* Sector size */
-    ST_WORD(tbl+BPB_BytsPerSec, as);
-    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 */
-    as = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;        /* Number of rootdir entries */
-    ST_WORD(tbl+BPB_RootEntCnt, as);
-    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(drv, tbl, b_vol, 1) != RES_OK)    /* Original (VBR) */
-        return FR_DISK_ERR;
-    if (fmt == FS_FAT32)                        /* Backup (VBR+6) */
-        disk_write(drv, tbl, b_vol + 6, 1);
-
-    /* Initialize FAT area */
-    for (i = 0; i < N_FATS; i++) {
-        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 |= 0x0FFFFF00;
-            ST_DWORD(tbl+0, n);                /* Reserve cluster #0-1 (FAT32) */
-            ST_DWORD(tbl+4, 0x0FFFFFFF);
-            ST_DWORD(tbl+8, 0x0FFFFFFF);    /* Reserve cluster #2 for root dir */
-        }
-        if (disk_write(drv, tbl, b_fat++, 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 write */
-            if (disk_write(drv, tbl, b_fat++, 1) != RES_OK)
-                return FR_DISK_ERR;
-        }
-    }
-
-    /* Initialize root directory */
-    n = (fmt == FS_FAT32) ? as : n_dir;
-    while (n--) {
-        if (disk_write(drv, tbl, b_fat++, 1) != RES_OK)
-            return FR_DISK_ERR;
-    }
-
-    /* Create FSInfo record if needed */
-    if (fmt == FS_FAT32) {
-        ST_WORD(tbl+BS_55AA, 0xAA55);
-        ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
-        ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
-        ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);
-        ST_DWORD(tbl+FSI_Nxt_Free, 0xFFFFFFFF);
-        disk_write(drv, tbl, b_vol + 1, 1);    /* Original (VBR+1) */
-        disk_write(drv, tbl, b_vol + 7, 1);    /* Backup  (VBR+7) */
-    }
-
-    return (disk_ioctl(drv, CTRL_SYNC, (void*)0) == RES_OK) ? FR_OK : FR_DISK_ERR;
-}
-
-#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) */
-    FAT_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 */
-    FAT_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 */
-    FAT_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 (
-    FAT_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, w;
-    ULONG val;
-    TCHAR c, d, s[16];
-    int res, 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++;
-        }
-        while (IsDigit(c)) {        /* Precision */
-            w = w * 10 + c - '0';
-            c = *str++;
-        }
-        if (c == 'l' || c == 'L') {    /* Prefix: Size is long int */
-            f |= 2; c = *str++;
-        }
-        if (!c) break;
-        d = c;
-        if (IsLower(d)) d -= 0x20;
-        switch (d) {                /* Type is... */
-        case 'S' :                    /* String */
-            cc = f_puts(va_arg(arp, TCHAR*), fil); 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 */
-            cc = f_putc(c, fil); continue;
-        }
-
-        /* Get an argument */
-        val = (f & 2) ? va_arg(arp, long) : ((d == 'D') ? (long)va_arg(arp, int) : va_arg(arp, unsigned int));
-        if (d == 'D' && (val & 0x80000000)) {
-            val = 0 - val;
-            f |= 4;
-        }
-        /* Put it in numeral string */
-        i = 0;
-        do {
-            d = (TCHAR)(val % r); val /= r;
-            if (d > 9) {
-                d += 7;
-                if (c == 'x') d += 0x20;
-            }
-            s[i++] = d + '0';
-        } while (val && i < sizeof(s) / sizeof(s[0]));
-        if (f & 4) s[i++] = '-';
-        cc = 0;
-        while (i < w-- && cc != EOF) {
-            cc = f_putc((TCHAR)((f & 1) ? '0' : ' '), fil);
-            res++;
-        }
-        do {
-            cc = f_putc(s[--i], fil); 
-            res++;
-        } while (i && cc != EOF);
-        if (cc != EOF) cc = 0;
-    }
-
-    va_end(arp);
-    return (cc == EOF) ? cc : res;
-}
-
-#endif /* !_FS_READONLY */
-#endif /* _USE_STRFUNC */
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/ff.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,615 +0,0 @@
-/*---------------------------------------------------------------------------/
-/  FatFs - FAT file system module include file  R0.08     (C)ChaN, 2010
-/----------------------------------------------------------------------------/
-/ 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) 2010, 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.
-/
-/----------------------------------------------------------------------------*/
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#ifndef _FATFS
-#define _FATFS    8085    /* 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
-
-
-/* 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) */
-#define _DF1S    0
-
-#else
-#error Unknown code page
-
-#endif
-
-
-
-/* Definitions corresponds to volume management */
-
-#if _MULTI_PARTITION        /* Multiple partition configuration */
-#define LD2PD(drv) (Drives[drv].pd)    /* Get physical drive# */
-#define LD2PT(drv) (Drives[drv].pt)    /* Get partition# */
-typedef struct {
-    BYTE pd;    /* Physical drive# */
-    BYTE pt;    /* Partition # (0-3) */
-} PARTITION;
-extern const PARTITION Drives[];    /* Logical drive# to physical location conversion table */
-
-#else                        /* Single partition configuration */
-#define LD2PD(drv) (drv)    /* Physical drive# is equal to the logical drive# */
-#define LD2PT(drv) 0        /* Always mounts the 1st partition */
-
-#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
-
-
-
-/* Definitions corresponds to file shareing feature */
-
-#if _FS_SHARE
-#if _FS_READONLY
-#error _FS_SHARE must be 0 on R/O cfg.
-#endif
-typedef struct {
-    DWORD clu;                /* File ID 1, directory */
-    WORD idx;                /* File ID 2, index in the directory */
-    WORD ctr;                /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:in write open */
-} FILESEM;
-#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 (512,1024,2048,4096) */
-#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) */
-#if _FS_SHARE
-    FILESEM    flsem[_FS_SHARE];    /* File lock semaphores */
-#endif
-} 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 */
-    DWORD    fsize;            /* File size */
-    DWORD    org_clust;        /* File start cluster (0 when fsize==0) */
-    DWORD    curr_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 */
-#endif
-#if _FS_SHARE
-    UINT    lockid;            /* File lock ID */
-#endif
-#if !_FS_TINY
-    BYTE    buf[_MAX_SS];    /* File data read/write buffer */
-#endif
-} FAT_FIL;
-
-
-
-/* Directory object structure (FAT_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
-} FAT_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 */
-    int     lfsize;            /* Size of LFN buffer [chrs] */
-#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 on the physical drive */
-    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 */
-} FRESULT;
-
-
-
-/*--------------------------------------------------------------*/
-/* FatFs module application interface                           */
-
-FRESULT f_mount (BYTE, FATFS*);                        /* Mount/Unmount a logical drive */
-FRESULT f_open (FAT_FIL*, const TCHAR*, BYTE);            /* Open or create a file */
-FRESULT f_read (FAT_FIL*, void*, UINT, UINT*);            /* Read data from a file */
-FRESULT f_lseek (FAT_FIL*, DWORD);                        /* Move file pointer of a file object */
-FRESULT f_close (FAT_FIL*);                                /* Close an open file object */
-FRESULT f_opendir (FAT_DIR*, const TCHAR*);                /* Open an existing directory */
-FRESULT f_readdir (FAT_DIR*, FILINFO*);                    /* Read a directory item */
-FRESULT f_stat (const TCHAR*, FILINFO*);            /* Get file status */
-#if !_FS_READONLY
-FRESULT f_write (FAT_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 (FAT_FIL*);                            /* Truncate file */
-FRESULT f_sync (FAT_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 */
-#endif
-#if _USE_FORWARD
-FRESULT f_forward (FAT_FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*);    /* Forward data to the stream */
-#endif
-#if _USE_MKFS
-FRESULT f_mkfs (BYTE, BYTE, UINT);                    /* Create a file system on the drive */
-#endif
-#if _FS_RPATH
-FRESULT f_chdir (const TCHAR*);                        /* Change current directory */
-FRESULT f_chdrive (BYTE);                            /* Change current drive */
-#endif
-#if _USE_STRFUNC
-int f_putc (TCHAR, FAT_FIL*);                            /* Put a character to the file */
-int f_puts (const TCHAR*, FAT_FIL*);                    /* Put a string to the file */
-int f_printf (FAT_FIL*, const TCHAR*, ...);                /* Put a formatted string to the file */
-TCHAR* f_gets (TCHAR*, int, FAT_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)
-#ifndef EOF
-#define EOF (-1)
-#endif
-#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_del_syncobj (_SYNC_t);        /* Delete a sync object */
-int ff_req_grant (_SYNC_t);            /* Lock sync object */
-void ff_rel_grant (_SYNC_t);        /* Unlock 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 function */
-#define CREATE_LINKMAP    0xFFFFFFFF
-
-
-/* FatFs refers the members in the FAT structures with byte offset instead of
-/ structure member because there are incompatibility of the packing option
-/ between various compilers. */
-
-#define BS_jmpBoot            0
-#define BS_OEMName            3
-#define BPB_BytsPerSec        11
-#define BPB_SecPerClus        13
-#define BPB_RsvdSecCnt        14
-#define BPB_NumFATs            16
-#define BPB_RootEntCnt        17
-#define BPB_TotSec16        19
-#define BPB_Media            21
-#define BPB_FATSz16            22
-#define BPB_SecPerTrk        24
-#define BPB_NumHeads        26
-#define BPB_HiddSec            28
-#define BPB_TotSec32        32
-#define BS_55AA                510
-
-#define BS_DrvNum            36
-#define BS_BootSig            38
-#define BS_VolID            39
-#define BS_VolLab            43
-#define BS_FilSysType        54
-
-#define BPB_FATSz32            36
-#define BPB_ExtFlags        40
-#define BPB_FSVer            42
-#define BPB_RootClus        44
-#define BPB_FSInfo            48
-#define BPB_BkBootSec        50
-#define BS_DrvNum32            64
-#define BS_BootSig32        66
-#define BS_VolID32            67
-#define BS_VolLab32            71
-#define BS_FilSysType32        82
-
-#define    FSI_LeadSig            0
-#define    FSI_StrucSig        484
-#define    FSI_Free_Count        488
-#define    FSI_Nxt_Free        492
-
-#define MBR_Table            446
-
-#define    DIR_Name            0
-#define    DIR_Attr            11
-#define    DIR_NTres            12
-#define    DIR_CrtTime            14
-#define    DIR_CrtDate            16
-#define    DIR_FstClusHI        20
-#define    DIR_WrtTime            22
-#define    DIR_WrtDate            24
-#define    DIR_FstClusLO        26
-#define    DIR_FileSize        28
-#define    LDIR_Ord            0
-#define    LDIR_Attr            11
-#define    LDIR_Type            12
-#define    LDIR_Chksum            13
-#define    LDIR_FstClusLO        26
-
-
-
-/*--------------------------------*/
-/* 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 */
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/ffconf.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,163 +0,0 @@
-//Modified by Thomas Hamilton, Copyright 2010
-
-/*---------------------------------------------------------------------------/
-/  FatFs - FAT file system module configuration file  R0.08  (C)ChaN, 2010   /
-/----------------------------------------------------------------------------/
-/
-/ CAUTION! Do not forget to make clean the project after any changes to
-/ the configuration options.
-/
-/---------------------------------------------------------------------------*/
-
-#ifndef _FFCONF
-#define _FFCONF 8085    /* Revision ID */
-
-/*---------------------------------------------------------------------------/
-/ Function 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, 1, 2 or 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 level 1.
-/   3: f_lseek is removed in addition to level 2. */
-
-#define _USE_STRFUNC        2       /* 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          1
-/* 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            0       /* 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. _MAX_LFN and _LFN_UNICODE have no effect.
-/   1: Enable LFN with static working buffer on the bss. 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. When 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:Disable or 1:Enable */
-/* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir,
-/  f_chdrive function are available.
-/  Note that output of the f_readdir fnction is affected by this option. */
-
-/*---------------------------------------------------------------------------/
-/ Physical Drive Configurations
-/----------------------------------------------------------------------------*/
-
-#define _DRIVES             7
-/* 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 floppy disk (512/1024) and optical disk (512/2048).
-/  When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted
-/  to the disk_ioctl function. */
-
-#define _MULTI_PARTITION    0       /* 0:Single parition or 1:Multiple partition */
-/* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
-/ drive number and can mount only first primaly partition. When it is set to 1,
-/ each volume is tied to the partitions listed in Drives[]. */
-
-/*---------------------------------------------------------------------------/
-/ 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. */
-
-#define _FS_REENTRANT       0       /* 0:Disable or 1:Enable */
-#define _FS_TIMEOUT         1024    /* 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.. */
-/* Include a header file here to define O/S system calls */
-/* #include <windows.h>, <ucos_ii.h.h>, <semphr.h> or ohters. */
-
-/* The _FS_REENTRANT option switches the reentrancy 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 sharing feature, set _FS_SHARE to >= 1 and also user
-   provided memory handlers, ff_memalloc and ff_memfree function must be
-   added to the project. The value defines number of files can be opened
-   per volume. */
-
-#endif
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Core/integer.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-//Modified by Thomas Hamilton, Copyright 2010
-
-/*--------------------------------------------------------------------*/
-/* Integer type definitions for FatFs module  R0.08     (C)ChaN, 2010 */
-/*--------------------------------------------------------------------*/
-
-#ifndef _INTEGER
-#define _INTEGER
-
-#include "stdint.h"
-
-/* 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;
-
-/* Boolean type */
-typedef enum { FALSE = 0, TRUE } BOOL;
-
-#endif
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATDirHandle.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,50 +0,0 @@
-/* mbed Microcontroller Library - FATDirHandle
-   Copyright (c) 2008, sford */
-
-//Modified by Thomas Hamilton, Copyright 2010
- 
-#include "FATDirHandle.h"
-
-FATDirHandle::FATDirHandle(FAT_DIR InputDirStr)
-{
-    DirectoryObject = InputDirStr;
-}
-
-int FATDirHandle::closedir()
-{
-    delete this;
-    return 0;
-}
-
-struct dirent* FATDirHandle::readdir()
-{
-    FILINFO FileInfo;
-    FRESULT Result = f_readdir(&DirectoryObject, &FileInfo);
-    if (Result || !FileInfo.fname[0])
-    {
-        return NULL;
-    }
-    else
-    {
-        for (unsigned char i = 0; i < 13; i++)
-        {
-            CurrentEntry.d_name[i] = ((char*)FileInfo.fname)[i];
-        }
-        return &CurrentEntry;
-    }
-}
-
-void FATDirHandle::rewinddir()
-{
-    DirectoryObject.index = 0;
-}
-
-off_t FATDirHandle::telldir()
-{
-    return (off_t)DirectoryObject.index;
-}
-
-void FATDirHandle::seekdir(off_t location)
-{
-    DirectoryObject.index = (WORD)location;
-}
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATDirHandle.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-/* mbed Microcontroller Library - FATDirHandle
-   Copyright (c) 2008, sford */
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#ifndef MBED_FATDIRHANDLE_H
-#define MBED_FATDIRHANDLE_H
-
-#include "stdint.h"
-#include "ff.h"
-#include "mbed.h"
-#include "DirHandle.h"
-#include <stdio.h>
-
-class FATDirHandle : public DirHandle
-{
-    private:
-        FAT_DIR DirectoryObject;
-        struct dirent CurrentEntry;
-
-    public:
-        FATDirHandle(FAT_DIR InputDirStr);
-        virtual int closedir();
-        virtual struct dirent* readdir();
-        virtual void rewinddir();
-        virtual off_t telldir();
-        virtual void seekdir(off_t location);
-};
-
-#endif
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileHandle.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-/* mbed Microcontroller Library - FATFileHandle
-   Copyright (c) 2008, sford */
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#include "FATFileHandle.h"
-
-FATFileHandle::FATFileHandle(FAT_FIL InputFilStr)
-{
-    FileObject = InputFilStr;
-}
-
-ssize_t FATFileHandle::write(const void* buffer, size_t length)
-{
-    UINT ByteWritten;
-    if (f_write(&FileObject, buffer, (UINT)length, &ByteWritten))
-    { 
-        return -1;
-    }
-    else
-    {
-        return (ssize_t)ByteWritten;
-    }
-}
-
-int FATFileHandle::close()
-{
-    if (f_close(&FileObject))
-    {
-        return -1;
-    }
-    else
-    {
-        delete this;
-        return 0;
-    }
-}
-
-ssize_t FATFileHandle::read(void* buffer, size_t length)
-{
-    UINT ByteRead;
-    if (f_read(&FileObject, buffer, (UINT)length, &ByteRead))
-    {
-        return -1;
-    }
-    else
-    {
-        return (ssize_t)ByteRead;
-    }
-}
-
-int FATFileHandle::isatty()
-{
-    return 0;
-}
-
-off_t FATFileHandle::lseek(off_t offset, int whence)
-{
-    switch (whence)
-    {
-        case SEEK_CUR: offset += FileObject.fptr; break;
-        case SEEK_END: offset += FileObject.fsize; break;
-    }
-    if (f_lseek(&FileObject, (DWORD)offset))
-    {
-        return -1;
-    }
-    else
-    {
-        return (off_t)FileObject.fptr;
-    }
-}
-
-int FATFileHandle::fsync()
-{
-    if (f_sync(&FileObject))
-    {
-        return -1;
-    }
-    else
-    {
-        return 0;
-    }
-}
-
-off_t FATFileHandle::flen()
-{
-    return (off_t)FileObject.fsize;
-}
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileHandle.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-/* mbed Microcontroller Library - FATFileHandle
-   Copyright (c) 2008, sford */
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#ifndef MBED_FATFILEHANDLE_H
-#define MBED_FATFILEHANDLE_H
-
-#include "stdint.h"
-#include "ff.h"
-#include "mbed.h"
-#include "FileHandle.h"
-#include <stdio.h>
-
-class FATFileHandle : public FileHandle
-{
-    private:
-        FAT_FIL FileObject;
-
-    public:
-        FATFileHandle(FAT_FIL InputFilStr);
-        virtual ssize_t write(const void* buffer, size_t length);
-        virtual int close();
-        virtual ssize_t read(void* buffer, size_t length);
-        virtual int isatty();
-        virtual off_t lseek(off_t offset, int whence);
-        virtual int fsync();
-        virtual off_t flen();
-};
-
-#endif
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileSystem.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,155 +0,0 @@
-/* mbed Microcontroller Library - FATFileSystem
-   Copyright (c) 2008, sford */
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#include "FATFileSystem.h"
-
-DWORD get_fattime(void)
-{
-    return 35719201;
-}
-
-FATFileSystem* FATFileSystem::DriveArray[_DRIVES] = {0};
-
-FATFileSystem::FATFileSystem(const char* SystemName) : FileSystemLike(SystemName)
-{
-    for (unsigned char i = 0; i < _DRIVES; i++)
-    {
-        if(!DriveArray[i])
-        {
-            DriveArray[i] = this;
-            Drive = i;
-            f_mount((BYTE)i, &FileSystemObject);
-            return;
-        }
-    }
-}
-
-FATFileSystem::~FATFileSystem()
-{
-    for (unsigned char i = 0; i < _DRIVES; i++)
-    {
-        if (DriveArray[i] == this)
-        {
-            DriveArray[i] = NULL;
-            f_mount((BYTE)i, NULL);
-        }
-    }
-    delete this;
-}
-
-FileHandle* FATFileSystem::open(const char* filename, int flags)
-{
-    FAT_FIL FileObject;
-    char FileName[64];
-    BYTE ModeFlags = 0;
-
-    sprintf(FileName, "%d:/%s", Drive, filename);
-    switch (flags & 3)
-    {
-        case O_RDONLY: ModeFlags = FA_READ; break;
-        case O_WRONLY: ModeFlags = FA_WRITE; break;
-        case O_RDWR: ModeFlags = FA_READ | FA_WRITE; break;
-    }
-    if(flags & O_CREAT)
-    {
-        if(flags & O_TRUNC)
-        {
-            ModeFlags |= FA_CREATE_ALWAYS;
-        }
-        else
-        {
-            ModeFlags |= FA_OPEN_ALWAYS;
-        }
-    }
-    else
-    {
-        ModeFlags |= FA_OPEN_EXISTING;
-    }
-    if (f_open(&FileObject, (const TCHAR*)FileName, ModeFlags))
-    { 
-        return NULL;
-    }
-    else
-    {
-        if (flags & O_APPEND)
-        {
-            f_lseek(&FileObject, (DWORD)FileObject.fsize);
-        }
-        return new FATFileHandle(FileObject);
-    }
-}
-
-int FATFileSystem::remove(const char* filename)
-{
-    char FileName[64];
-
-    sprintf(FileName, "%d:/%s", Drive, filename);
-    if (f_unlink((const TCHAR*)FileName))
-    { 
-        return -1;
-    }
-    else
-    {
-        return 0;
-    }
-}
-
-int FATFileSystem::rename(const char* oldname, const char* newname)
-{
-    char OldName[64];
-
-    sprintf(OldName, "%d:/%s", Drive, oldname);
-    if (f_rename((const TCHAR*)OldName, (const TCHAR*)newname))
-    {
-        return -1;
-    }
-    else
-    {
-        return 0;
-    }
-}
-
-DirHandle* FATFileSystem::opendir(const char* name)
-{
-    FAT_DIR DirectoryObject;
-    char DirectoryName[64];
-
-    sprintf(DirectoryName, "%d:%s", Drive, name);
-    if (f_opendir(&DirectoryObject, (const TCHAR*)DirectoryName))
-    {
-        return NULL;
-    }
-    else
-    {
-        return new FATDirHandle(DirectoryObject);
-    }
-}
-
-int FATFileSystem::mkdir(const char* name, mode_t mode)
-{
-    char DirectoryName[64];
-
-    sprintf(DirectoryName, "%d:%s", Drive, name);
-    if (f_mkdir((const TCHAR*)DirectoryName))
-    {
-        return -1;
-    }
-    else
-    {
-        return 0;
-    }
-}
-
-int FATFileSystem::format(unsigned int allocationunit)
-{
-    if (f_mkfs(Drive, 0, allocationunit))
-    {
-        return -1;
-    }
-    else
-    {
-        return 0;
-    }
-}
\ No newline at end of file
--- a/SDFileSystem/FATFileSystem/Interface/FATFileSystem.h	Thu Nov 29 16:35:31 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-/* mbed Microcontroller Library - FATFileSystem
-   Copyright (c) 2008, sford */
-
-//Modified by Thomas Hamilton, Copyright 2010
-
-#ifndef MBED_FATFILESYSTEM_H
-#define MBED_FATFILESYSTEM_H
-
-#include "stdint.h"
-#include "ff.h"
-#include "mbed.h"
-#include "FileSystemLike.h"
-#include "FATFileHandle.h"
-#include "FATDirHandle.h"
-#include <stdio.h>
-
-class FATFileSystem : public FileSystemLike
-{
-    private:
-        FATFS FileSystemObject;
-        unsigned char Drive;
-
-    public:
-        static FATFileSystem* DriveArray[_DRIVES];
-
-        FATFileSystem(const char* SystemName);
-        virtual ~FATFileSystem();
-        
-        int format(unsigned int allocationunit);
-
-        virtual FileHandle* open(const char* filename, int flags);
-        virtual int remove(const char* filename);
-        virtual int rename(const char* oldname, const char* newname);
-        virtual DirHandle* opendir(const char* name);
-        virtual int mkdir(const char* name, mode_t mode);
-
-        virtual int disk_initialize() { return 0x00; }
-        virtual int disk_status() { return 0x00; }
-        virtual int disk_read(unsigned char* buff,
-            unsigned long sector, unsigned char count) = 0;
-        virtual int disk_write(const unsigned char* buff,
-            unsigned long sector, unsigned char count) = 0;
-        virtual int disk_sync() { return 0x00; }
-        virtual unsigned long disk_sector_count() = 0;
-        virtual unsigned short disk_sector_size() { return 512; }
-        virtual unsigned long disk_block_size() { return 1; }
-};
-
-#endif
\ No newline at end of file
--- a/Sensors/Sensors.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ b/Sensors/Sensors.cpp	Thu Nov 29 16:50:46 2018 +0000
@@ -28,48 +28,68 @@
 
 */
 
+#include <stdio.h>
+#include "globals.h"
+#include "Config.h"
+#include "devices.h"
 #include "Sensors.h"
+#include "util.h"
 #include "debug.h"
-#include "stdio.h"
-
-#define GYRO_SCALE 14.49787 // TODO: is the sign right here?? yes, see g_sign
 
 #define VFF 50.0 // voltage filter factor
 
 ///////////////////// MAGNETOMETER CALIBRATION
 
 Sensors::Sensors():
-    gps(p26, p25),
+    gTemp(0),
+    leftRanger(0),
+    rightRanger(0),
+    centerRanger(0),
+    voltage(0),
+    current(0),
+    leftTotal(0),
+    rightTotal(0),
+    leftCount(0),
+    rightCount(0),
+    lrEncDistance(0.0),
+    rrEncDistance(0.0),
+    lrEncSpeed(0.0),
+    rrEncSpeed(0.0),
+    encDistance(0.0),
+    encSpeed(0.0),
+    gps(GPSTX, GPSRX),
     _voltage(p19),               // Voltage from sensor board
     _current(p20),               // Current from sensor board
-    _left(p30),                  // left wheel encoder
-    _right(p29),                 // Right wheel encoder
-    _gyro(p28, p27),             // MinIMU-9 gyro
-    _compass(p28, p27),          // MinIMU-9 compass/accelerometer
-    _rangers(p28, p27),          // Arduino ADC to I2C
-    _cam(p28, p27)
+    _left(ENCALEFT),                  // left wheel encoder
+    _right(ENCARIGHT),                 // Right wheel encoder
+    _gyro(I2CSDA, I2CSCL),       // MinIMU-9 gyro
+    _compass(I2CSDA, I2CSCL),    // MinIMU-9 compass/accelerometer
+    _rangers(I2CSDA, I2CSCL),    // Arduino ADC to I2C
+    _cam(I2CSDA, I2CSCL)
+,   _tireCirc(0)
+,   _encStripes(0)
 {
     for (int i=0; i < 3; i++) {
         m_offset[i] = 0;
         m_scale[i] = 1;
     }
 
-    // TODO: parameterize
-    g_scale[0] = 1;
-    g_scale[1] = 1;
-    g_scale[2] = GYRO_SCALE;
+    // TODO 2 parameterize scale and sign for mag, accel, gyro
+    g_scale[_x_] = 1;
+    g_scale[_y_] = 1;
+    g_scale[_z_] = 1;
 
-    g_sign[0] = 1;
-    g_sign[1] = -1;
-    g_sign[2] = -1;
+    g_sign[_x_] = 1;
+    g_sign[_y_] = -1;
+    g_sign[_z_] = -1;
 
-    a_sign[0] = -1;
-    a_sign[1] = 1;
-    a_sign[2] = 1;
+    a_sign[_x_] = -1;
+    a_sign[_y_] = 1;
+    a_sign[_z_] = 1;
 
-    m_sign[0] = 1;
-    m_sign[1] = -1;
-    m_sign[2] = -1;
+    m_sign[_x_] = 1;
+    m_sign[_y_] = -1;
+    m_sign[_z_] = -1;
 
     // upside down mounting
     //g_sign[3] = {1,1,1};        
@@ -77,6 +97,11 @@
     //m_sign[3] = {1,1,1}; 
 }
 
+void Sensors::setGyroScale(float scale) {
+    g_scale[_z_] = scale;
+}
+
+
 /* Compass_Calibrate
  *
  * Set the offset and scale calibration for the compass
@@ -91,6 +116,12 @@
     return;
 }
 
+void Sensors::configureEncoders(float tireCirc, int encStripes)
+{
+    _tireCirc = tireCirc;
+    _encStripes = encStripes;
+}
+
 
 void Sensors::Read_Encoders()
 {
@@ -99,17 +130,16 @@
     rightCount = _right.read();
     leftTotal += leftCount;
     rightTotal += rightCount;
-            
-    // TODO--> sanity check on encoders; if difference between them
-    //  is huge, what do we do?  Slipping wheel?  Skidding wheel?
+
+    float ticksPerDist = _tireCirc / _encStripes;
+
+    // TODO 3 sanity check on encoders; if difference between them
+    //  is huge, what do we do?  Slipping wheel?  Skidding wheel?  Broken encoder?
     //  front encoders would be ideal as additional sanity check
     
-    // TODO: move this into scheduler??
-    
-    // TODO: how do we track distance, should we only check distance everytime we do a nav/pos update?
-    // TODO: get rid of state variable
-    lrEncDistance  = (WHEEL_CIRC / WHEEL_STRIPES) * (double) leftCount;
-    rrEncDistance = (WHEEL_CIRC / WHEEL_STRIPES) * (double) rightCount;
+    // TODO 3 get rid of state variable
+    lrEncDistance  = ticksPerDist * (double) leftCount;
+    rrEncDistance = ticksPerDist * (double) rightCount;
     //encDistance = (lrEncDistance + rrEncDistance) / 2.0;
     // compute speed from time between ticks
     int leftTime = _left.readTime();
@@ -123,13 +153,13 @@
     if (leftTime <= 0) {
         lrEncSpeed = 0;
     } else {
-        lrEncSpeed = (2.0 * WHEEL_CIRC / WHEEL_STRIPES) / ((float) leftTime * 1e-6);
+        lrEncSpeed = (2.0 * ticksPerDist) / ((float) leftTime * 1e-6);
     }
     
     if (rightTime <= 0) {
         rrEncSpeed = 0;
     } else {
-        rrEncSpeed = (2.0 * WHEEL_CIRC / WHEEL_STRIPES) / ((float) rightTime * 1e-6);
+        rrEncSpeed = (2.0 * ticksPerDist) / ((float) rightTime * 1e-6);
     }
         
     // Dead band
@@ -168,8 +198,7 @@
 void Sensors::Read_Compass()
 {
     _compass.readMag(m);
-    // TODO: parameterize sign
-    // adjust for compass axis offsets and scale
+    // adjust for compass axis offsets, scale, and orientation (sign)
     for (int i=0; i < 3; i++) {
         mag[i] = ((float) m[i] - m_offset[i]) * m_scale[i] * m_sign[i];
     }
@@ -193,7 +222,7 @@
     for(int i=0; i < samples; i++) {  // We take some readings...
         Read_Gyro();
         Read_Accel();
-        wait(0.010); // sample at 100hz
+        wait(0.010); // sample at ~100hz
         for(int y=0; y < 3; y++) {   // accumulate values
             g_offset[y] += g[y];
             a_offset[y] += a[y];
@@ -205,7 +234,7 @@
         a_offset[y] /= samples;
     }
 
-    //TODO: if we ever get back to using accelerometer, do something about this.
+    //TODO 4 if we ever get back to using accelerometer, do something about this.
     //a_offset[_z_] -= GRAVITY * a_sign[_z_]; // I don't get why we're doing this...?
 }
 
@@ -254,7 +283,7 @@
     static float filter = -1.0;
     float v = _voltage * 3.3 * 4.12712;        // 242.3mV/V
 
-    // TODO: median filter to eliminate spikes
+    // TODO 3 median filter to eliminate spikes
     if (filter < 0) {
         filter = v * VFF;
     } else {
@@ -286,7 +315,7 @@
 
 void Sensors::Read_Power()
 {
-    // TODO: exponential or median filtering on these to get rid of spikes
+    // TODO 3 exponential or median filtering on these to get rid of spikes
     //
     voltage = getVoltage();
     current = getCurrent();
--- a/Sensors/Sensors.h	Thu Nov 29 16:35:31 2018 +0000
+++ b/Sensors/Sensors.h	Thu Nov 29 16:50:46 2018 +0000
@@ -32,12 +32,9 @@
 
 /** Sensor interface library abstracts sensor drivers, next step to a pluggable architecture */
 
-#include "Sirf3.h"
 #include "Ublox6.h"
-#include "Venus638flpx.h"
 #include "L3G4200D.h"
 #include "LSM303DLM.h"
-//#include "HMC5843.h"
 #include "IncrementalEncoder.h"
 #include "Matrix.h"
 
@@ -64,16 +61,12 @@
 //#define M_Z_MIN -573
 //#define M_Z_MAX 464
 
-// Chassis specific parameters
-#define WHEEL_STRIPES 32
-#define WHEEL_CIRC    0.321537 // m; calibrated with 4 12.236m runs. Wheel circumference measured 13.125" or 0.333375m
-#define WHEELBASE     0.290
-#define TRACK         0.280
-
 class Sensors {
 public:
     Sensors(void);
     void Compass_Calibrate(float offset[3], float scale[3]);
+    void configureEncoders(float tireCirc, int encStripes);
+    void setGyroScale(float scale);
     void Read_Encoders(void);
     void Read_Gyro(void);
     void Read_Accel(void);
@@ -117,7 +110,6 @@
     float rrEncSpeed;                       // right rear encoder speed
     float encDistance;                      // encoder distance since last check
     float encSpeed;                         // encoder calculated speed
-
     //Sirf3 gps;                              // Pharos SiRF III GPS
     //Venus638flpx gps;                       // Venus GPS
     Ublox6 gps;                             // Ublox6 GPS
@@ -133,6 +125,8 @@
 
 private:
     void BubbleSort(float *num, int numLength);
+    float _tireCirc;                        // tire circumference
+    int _encStripes;                        // encoder ticks per revolution
 };
 
-#endif
\ No newline at end of file
+#endif
--- a/UI/Buttons/Buttons.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ b/UI/Buttons/Buttons.cpp	Thu Nov 29 16:50:46 2018 +0000
@@ -1,8 +1,9 @@
+#include "devices.h"
 #include "Buttons.h"
 #include "PinDetect.h"
 
 PinDetect nextButton(BUTTONNEXT);
-PinDetect selectButton(BUTTONSELECT);
+PinDetect selectButton(BUTTONSELECT);            // Input selectButton
 PinDetect prevButton(BUTTONPREV);
 
 Buttons::Buttons(void): which(0), pressed(false)
--- a/UI/shell.cpp	Thu Nov 29 16:35:31 2018 +0000
+++ b/UI/shell.cpp	Thu Nov 29 16:50:46 2018 +0000
@@ -1,149 +1,177 @@
 #include <stdio.h>
+#include <string.h>
 #include "mbed.h"
-#include "stdint.h"
+#include "globals.h"
+#include "updater.h"
+#include "print.h"
 #include "DirHandle.h"
-#include "SDHCFileSystem.h"
+#include "SDFileSystem.h"
 #include "util.h"
 #include "Buttons.h"
 
-extern SDFileSystem sd;
-extern Serial pc;
-extern Buttons keypad;
+#define MAXBUF      128
+#define MAXCMDARR   21
+
+char cwd[MAXBUF];
+char buf[MAXBUF];
+char path[MAXBUF];
+int status;
+bool debug=false;
+bool done=false;
 
-char cwd[64];
-char buf[128];
-bool debug=false;
+typedef struct {
+    const char *cmd;
+    int (*f)(char *arg0);
+    const char *desc;
+} cmd;
 
-void shell(void);
+extern int autonomousMode();
+extern int resetMe();
+extern int gyroSwing();
+
+extern "C" {
+
+void shell(void *args);
+void docmd(char *cmdline);
 void termInput(char *cmd);
 void resolveDirectory(char *newpath, char *path);
-void splitName(char *path, char *dirname, char *basename);
-void ls(char *path);
-void cd(char *path);
-void pwd(void);
-void touch(char *path);
-void head(char *path);
-void cat(char *path);
-void send(char *path);
+void splitName(const char *path, char *dirname, char *basename);
+int dols(char *arg);
+int docd(char *path);
+int dopwd(char *s);
+int dotouch(char *path);
+int dorm(char *path);
+int domkdir(char *path);
+int dohead(char *path);
+int docat(char *path);
+int dosend(char *path);
+int doprintfree(char *path);
+int doexit(char *s);
+int dodebug(char *s);
+int dohelp(char *s);
+int dogyroswing(char *s);
+int doreset(char *s);
+int doautonomous(char *s);
+int dospeed(char *arg);
+int dosteer(char *arg);
+int dotimes(char *arg);
 
-void shell() {
-    FILE *fp;
-    char newpath[64], *arg, cmd[64], cmdline[64];
-    bool done=false;
+// TODO 3 multiple arguments
 
-    //Logger.SelectCRCMode(1);
-    
-    //pc.printf("Formatting...\n");
-    //int i = Logger.format(32);
-    //pc.printf("format result: %d\n", i);
+const cmd command[MAXCMDARR] = {
+        { "help", dohelp, "print this help" },
+        { "ls", dols, "list files" },
+        { "cd", docd, "change directory" },
+        { "pwd", dopwd, "print working directory" },
+        { "touch", dotouch, "create, update file" },
+        { "mkdir", domkdir, "make directory" },
+        { "head", dohead, "output first part of file" },
+        { "cat", docat, "output file" },
+        { "send", dosend, "send file to terminal" },
+        { "rm", dorm, "remove file" },
+        { "debug", dodebug, "toggle debug mode" },
+        { "gyro", dogyroswing, "gyro swing" },
+        { "auto", doautonomous, "run autonomous mode" },
+        { "reset", doreset, "reset the MCU" },
+        { "free", doprintfree, "heap bytes available" },
+        { "speed", dospeed, "set speed servo output" },
+        { "steer", dosteer, "set steering servo output" },
+        { "time", dotimes, "display update timing stats" },
+//      { "exit", doexit, "exit shell" },
+        { 0, 0, 0 }
+};
 
-    if ((fp = fopen("/log/message.txt", "w")) != NULL) {
-        for (int i=0; i < 20; i++)
-            fprintf(fp, "Hello, World!\n");
-        fclose(fp);
-        //pc.printf("created!\n");
-    } else {
-        pc.printf("Error creating file\n");
-    }
-    pc.printf("\n");
-    
+void shell(void *args) {
+    char cmdline[MAXBUF];
+
+    pc.baud(115200);
+
     strcpy(cwd, "/log");
 
+    fputs("Type help for assistance.\n", stdout);
+
+    status=0;
+    done=false;
     while (!done) {
         termInput(cmdline);
-        arg = split(cmd, cmdline, 64, ' ');
-        resolveDirectory(newpath, arg);
-        
+
+        // interrupt operation if keypad button is pressed
         if (keypad.pressed) {
             keypad.pressed = false;
             break;
         }        
-        
-        if (debug) pc.printf("cmdline:<%s> cmd:<%s> arg:<%s> newpath:<%s>\n", cmdline, cmd, arg, newpath);
-        
-        if (!strcmp(cmd, "ls")) {
-            ls(newpath);
-        } else if (!strcmp(cmd, "cd")) {
-            cd(newpath);
-        } else if (!strcmp(cmd, "pwd")) {
-            pwd();
-        } else if (!strcmp(cmd, "head")) {
-            head(newpath);
-        } else if (!strcmp(cmd, "cat")) {
-            cat(newpath);
-        } else if (!strcmp(cmd, "send")) {
-            send(newpath);
-        } else if (!strcmp(cmd, "mkdir")) {
-            mkdir(newpath, 1023);
-        } else if (!strcmp(cmd, "debug")) {
-            debug = !debug;
-        } else if (!strcmp(cmd, "touch")) {
-            touch(newpath);
-        } else if (!strcmp(cmd, "rm")) {
-            remove(newpath);
-        } else if (!strcmp(cmd, "exit")) {
-            done = true;
-        } else if (cmd[0] == '\0') {
-            // ignore
-        } else {
-            pc.printf("%s: command not found\n", cmd);
+
+        docmd(cmdline);
+    }
+    fputs("exiting shell\n", stdout);
+
+    return;
+}
+
+
+/** docmd
+ * Run a command by looking it up the command requested on the shell command line in the
+ * command array.  If it's found, run the associated function. If not, print an error.
+ */
+void docmd(char *cmdline) {
+    char *arg;
+    char cmd[MAXBUF];
+    bool found = false;
+
+    arg = split(cmd, cmdline, MAXBUF, ' ');
+    if (strlen(cmd) > 0) {
+        //if (debug) fprintf(stdout, "cmdline:<%s> cmd:<%s> arg:<%s>\n", cmdline, cmd, arg);
+
+        for (int i=0; command[i].cmd; i++) {
+            if (!strcmp(cmd, command[i].cmd)) {
+                found = true;
+                command[i].f(arg);
+            }
+        }
+
+        if (!found) {
+            fputs(cmd, stdout);
+            fputs(": command not found\n", stdout);
         }
     }
 
-/*
-    pc.printf("Printing splitName()\n");
-    splitName("/SDCard/testdir", dirname, basename);
-    pc.printf("%s %s\n", dirname, basename);
-
-    pc.printf("Printing resolveDirectory()\n");
-    resolveDirectory(newpath, "test");
-    pc.printf("%s\n", newpath);
-*/
-
-//    remove("/SDCard/testdir/TEST.txt");
-    
-    /*
-    int test = rename("/SDCard/message.txt", "/SDCard/message2.txt");
-    fp = fopen("/SDCard/message.txt", "a");
-    fprintf(fp, "  Result = %d", test);
-    fclose(fp);
-    */
-
-    pc.printf ("exiting shell\n");
-
     return;
 }
 
 
 /** termInput
- *
+ * read input from the terminal
  */
 void termInput(char *cmd) {
     int i=0;
     char c;
     bool done = false;
     
-    memset(cmd, 0, 64);
-    
-    pc.printf("# ", cwd);
+    memset(cmd, 0, MAXBUF);
+    fputc('(', stdout);
+    fputs(cwd, stdout);
+    fputs(")# ", stdout);
     do {
         cmd[i] = 0;
-        c = pc.getc();
+        c = fgetc(stdin);
         if (c == '\r') { // if return is hit, we're done, don't add \r to cmd
             done = true;
-        } else if (i < 64-1) {
+        } else if (i < MAXBUF-1) {
             if (c == 0x7f || c == '\b') { // backspace or delete
                 if (i > 0) { // if we're at the beginning, do nothing
                     i--;
-                    pc.printf("\b \b");
+                    fputs("\b \b", stdout);
+
                 }
             } else {
-                pc.printf("%c", c);
+                fputc(c, stdout);
                 cmd[i++] = c;
             }
         }
     } while (!done);
-    pc.printf("\n");
+    fputc('\n', stdout);
+
+
 } 
 
 /** resolveDirectory
@@ -172,10 +200,12 @@
     }
 }
 
-// copy t to s until space is reached
-// return location of delimiter+1 in t
-// if space not found, return t pointing to end of string
-// if s or t null, return null
+/** splitCmd
+ * copy t to s until space is reached
+ * return location of delimiter+1 in t
+ * if space not found, return t pointing to end of string
+ * if s or t null, return null
+ */
 char *splitCmd(char *s, char *t, int max)
 {
   int i = 0;
@@ -192,121 +222,168 @@
     }
   }
   *s = 0;
-    
+
   return t;
 }
 
 /** splitName
  * split the path into a dirname and a 
  */
-void splitName(char *path, char *dirname, char *basename) {
+void splitName(const char *path, char *dirname, char *basename) {
     int sep;
     
     sep = 0;
-    if (debug) pc.printf("%d\n", strlen(path));
+    //if (debug) fprintf(stdout, "%d\n", strlen(path));
     for (int i=strlen(path)-1; i >= 0; i--) {
-        if (debug) pc.printf("- %c\n", path[i]);
+        //if (debug) fprintf(stdout, "- %c\n", path[i]);
         sep = i;
         if (path[i] == '/') break;
     }
     for (int j=0; j < sep; j++) {
-        if (debug) pc.printf("> %c\n", path[j]);
+        //if (debug) fprintf(stdout, "> %c\n", path[j]);
         dirname[j] = path[j];
         dirname[j+1] = 0;
     }
-    for (int k=sep+1; k < strlen(path); k++) {
-        if (debug) pc.printf("* %c\n", path[k]);
+    for (unsigned int k=sep+1; k != strlen(path); k++) {
+        //if (debug) fprintf(stdout, "* %c\n", path[k]);
         basename[k-(sep+1)] = path[k];
         basename[k-sep] = 0;    
     }
-    if (debug) pc.printf("d:<%s> b:<%s>\n", dirname, basename);
+    //if (debug) fprintf(stdout, "d:<%s> b:<%s>\n", dirname, basename);
+
+
 }
 
 /** ls
  * lists files in the current working directory, 4 columns
  */
-void ls(char *path) {
-    if (debug) pc.printf("%s\n", cwd);
+int dols(char *arg) {
+    //if (debug) fprintf(stdout, "%s\n", cwd);
     DIR *d;
     struct dirent *p;
-    
+
+    resolveDirectory(path, arg);
+
     int count=0;
     if ((d = opendir(path)) != NULL) {
         while ((p = readdir(d)) != NULL) {
-            pc.printf("%12s", p->d_name);
+            int pad = 20 - strlen(p->d_name);
+            while (pad-- > 0) fputc(' ', stdout);
+            fputs(p->d_name, stdout);
             if (count++ >= 3) {
                 count = 0;
-                pc.printf("\n");
+                fputc('\n', stdout);
             }
         }
-        pc.printf("\n");
+        fputc('\n', stdout);
         if (count < 3)
-            pc.printf("\n");
+            fputc('\n', stdout);
         closedir(d);
+        status = 0;
     } else {
-        pc.printf("%s: No such directory\n", path);
+        fputs(path, stdout);
+        fputs(": No such directory\n", stdout);
+        status = 1;
     }
+
+    return status;
 }
 
 /** cd
  * changes current working directory
  */
-void cd(char *path) {
+int docd(char *arg) {
+
+    resolveDirectory(path, arg);
     strcpy(cwd, path);
+
+    return 0;
 }
 
 /** pwd
  * print current working directory
  */
-void pwd() {
-    pc.printf("%s\n", cwd);
+int dopwd(char *arg) {
+    fputs(cwd, stdout);
+    fputc('\n', stdout);
+    //fprintf(stdout, "%s\n", cwd);
+
+    return 0;
 }
 
 /** touch
  * create an empty file
  */
-void touch(char *path) {
+int dotouch(char *arg) {
     FILE *fp;
+
+    resolveDirectory(path, arg);
     if ((fp = fopen(path, "w")) != NULL) {
         fclose(fp);
+        status = 0;
     } else {
-        pc.printf("%s: No such file\n", path);
+        fputs(path, stdout);
+        fputs(": No such file\n", stdout);
+        status = 1;
     }
+
+    return status;
 } 
 
+int dorm(char *arg) {
+    resolveDirectory(path, arg);
+    return remove(path);
+}
+
+int domkdir(char *arg) {
+    resolveDirectory(path, arg);
+    return mkdir(path, S_IRWXU|S_IRWXG|S_IRWXO);
+}
+
 /** head
  * print the first 10 lines of a file
  */
-void head(char *path) {
+int dohead(char *arg) {
     FILE *fp;
     char line = 0;
-    
+
+    resolveDirectory(path, arg);
     if ((fp = fopen(path, "r")) != NULL) {
         while (!feof(fp) && line++ < 10) {
             fgets(buf, 128, fp);
-            pc.printf("%s", buf);
+            fputs(buf, stdout);
         }
         fclose(fp);
+        status = 0;
     } else {
-        pc.printf("%s: No such file\n", path);
+        fputs(path, stdout);
+        fputs(": No such file\n", stdout);
+        status = 1;
     }
+
+    return status;
 }
 
 /** cat
  * display the content of a file
  */
-void cat(char *path) {
+int docat(char *arg) {
     FILE *fp;
 
+    resolveDirectory(path, arg);
     if ((fp = fopen(path, "r")) != NULL) {
-        while (!feof(fp)) {
-            if (fgets(buf, 127, fp) != NULL)
-                pc.printf("%s", buf);
+        while (fgets(buf, 127, fp)) {
+            fputs(buf, stdout);
         }
         fclose(fp);
+        status = 0;
     } else {
-        pc.printf("%s: No such file\n", path);
+        fputs(path, stdout);
+        fputs(": No such file\n", stdout);
+        status = 1;
     }
+
+    return status;
 }
 
 /** send
@@ -314,20 +391,136 @@
  * Initiates escape sequence: ^A^B, sends filename, ^C, and then file
  * contents followed by ^D
  */
-void send(char *path) {
+int dosend(char *arg) {
     FILE *fp;
     char dirname[32], basename[16];
 
+    resolveDirectory(path, arg);
     if ((fp = fopen(path, "r")) != NULL) {
         splitName(path, dirname, basename);
-        pc.printf("%c%c%s%c", 1, 2, basename, 3);
+        fputc(0x01, stdout);
+        fputc(0x02, stdout);
+        fputs(basename, stdout);
+        fputc(0x03, stdout);
         while (!feof(fp)) {
             if (fgets(buf, 127, fp) != NULL)
-                pc.printf("%s", buf);
+                fputs(buf, stdout);
         }
         fclose(fp);
-        pc.printf("%c", 4);
+        fputc(0x04, stdout);
+        status = 0;
     } else {
-        pc.printf("%s: No such file\n", path);
+        fputs(path, stdout);
+        fputs(": No such file\n", stdout);
+        status = 1;
+    }
+
+    return status;
+}
+
+int doprintfree(char *arg) {
+    //printInt(stdout, xPortGetFreeHeapSize());
+    fputs(" bytes free.\n", stdout);
+
+    return 0;
+}
+
+/** doexit
+ * set a flag to exit the shell
+ */
+int doexit(char *arg) {
+    done = true;
+
+    return 0;
+}
+
+/** dodebug
+ * toggle the debug state variable
+ */
+int dodebug(char *arg) {
+    debug = !debug;
+
+    return 0;
+}
+
+/** dohelp
+ * print the list of commands and descriptions
+ */
+int dohelp(char *arg) {
+    for (int i=0; command[i].cmd; i++) {
+        int pad = 10 - strlen(command[i].cmd);
+        while (pad--) fputc(' ', stdout);
+        fputs(command[i].cmd, stdout);
+        fputs(": ", stdout);
+        fputs(command[i].desc, stdout);
+        fputc('\n', stdout);
     }
+
+    return 0;
 }
+
+/** dogyroswing
+ * perform gyro swing, call external function
+ */
+int dogyroswing(char *arg) {
+    gyroSwing();
+
+    return 0;
+}
+
+/** doreset
+ * reset the processor
+ */
+int doreset(char *arg) {
+    resetMe();
+    return 0; // won't ever reach this line...
+}
+
+/** doautonomous
+ * call external doAutonomous mode to perform an autonomous run
+ */
+int doautonomous(char *arg) {
+    autonomousMode();
+
+    return 0;
+}
+
+
+int dospeed(char *arg) {
+    // TODO 3 dospeed()
+//  int v = atoi(arg);
+//  if (config.escMin < v && v < config.escMax {
+//      fputs("speed=", stdout);
+//      setThrottle(v);
+//      printFloat(stdout, getThrottle(), 4);
+//      fputc('\n', stdout);
+//  }
+    return 0;
+}
+
+int dosteer(char *arg) {
+    float v = cvstof(arg);
+    fputs("angle=", stdout);
+    printFloat(stdout, v, 4);
+    fputs(" servo=", stdout);
+    setSteering(v);
+    // TODO 4 printFloat(stdout, getSteering(), 4);
+    fputc('\n', stdout);
+    return 0;
+}
+
+int dotimes(char *arg) {
+    int i;
+    for (i = 1; i < 8; i++) {
+        printInt(stdout, i);
+        fputc(':', stdout);
+        // TODO 4 printInt(stdout, getUpdateTime(i)-getUpdateTime(i-1));
+        fputc('\n', stdout);
+    }
+    fputs("total:", stdout);
+    // TODO 4 printInt(stdout, getUpdateTime(7)-getUpdateTime(0));
+    fputc('\n', stdout);
+    return 0;
+}
+
+} // extern C
--- a/UI/shell.h	Thu Nov 29 16:35:31 2018 +0000
+++ b/UI/shell.h	Thu Nov 29 16:50:46 2018 +0000
@@ -1,6 +1,6 @@
 #ifndef __SHELL_H
 #define __SHELL_H
 
-void shell(void);
+extern "C" void shell(void *args);
 
-#endif
\ No newline at end of file
+#endif
--- a/mbed.bld	Thu Nov 29 16:35:31 2018 +0000
+++ b/mbed.bld	Thu Nov 29 16:50:46 2018 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/b3110cd2dd17
\ No newline at end of file
+https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file