USB Host fixes

- Cleaned up alignment macros for GCC & IAR
- Corrected EP halt and Clear halt behaviours
- Initialization of class drivers by USB Host main driver
- Minor cosmetic fixes
- Updated USB_HOST testhal app

11 files changed, 85 insertions, 5257 deletions

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/.cproject b/testhal/STM32/STM32F4xx/USB_HOST/.cproject
index 4b2c0cd..d733e39 100644
--- a/testhal/STM32/STM32F4xx/USB_HOST/.cproject
+++ b/testhal/STM32/STM32F4xx/USB_HOST/.cproject
@@ -18,7 +18,7 @@
 					<folderInfo id="0.1003150841." name="/" resourcePath="">
 						<toolChain id="org.eclipse.cdt.build.core.prefbase.toolchain.748316353" name="No ToolChain" resourceTypeBasedDiscovery="false" superClass="org.eclipse.cdt.build.core.prefbase.toolchain">
 							<targetPlatform id="org.eclipse.cdt.build.core.prefbase.toolchain.748316353.81353447" name=""/>
-							<builder id="org.eclipse.cdt.build.core.settings.default.builder.1044649944" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="org.eclipse.cdt.build.core.settings.default.builder"/>
+							<builder arguments="-j8" command="make" id="org.eclipse.cdt.build.core.settings.default.builder.1044649944" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="org.eclipse.cdt.build.core.settings.default.builder"/>
 							<tool id="org.eclipse.cdt.build.core.settings.holder.libs.883535580" name="holder for library settings" superClass="org.eclipse.cdt.build.core.settings.holder.libs"/>
 							<tool id="org.eclipse.cdt.build.core.settings.holder.97391908" name="Assembly" superClass="org.eclipse.cdt.build.core.settings.holder">
 								<inputType id="org.eclipse.cdt.build.core.settings.holder.inType.133315636" languageId="org.eclipse.cdt.core.assembly" languageName="Assembly" sourceContentType="org.eclipse.cdt.core.asmSource" superClass="org.eclipse.cdt.build.core.settings.holder.inType"/>
@@ -39,11 +39,26 @@
 	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
 		<project id="STM32F4xx-USB_HOST.null.1232072164" name="STM32F4xx-USB_HOST"/>
 	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+	<storageModule moduleId="refreshScope" versionNumber="2">
+		<configuration configurationName="Default">
+			<resource resourceType="PROJECT" workspacePath="/STM32F4xx-USB_HOST"/>
+		</configuration>
+	</storageModule>
 	<storageModule moduleId="scannerConfiguration">
 		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
 		<scannerConfigBuildInfo instanceId="0.1003150841">
-			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile"/>
+			<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile">
+				<buildOutputProvider>
+					<openAction enabled="true" filePath="D:/proyectos/ChibiOS-contrib-devel/ChibiOS-Contrib/testhal/STM32/STM32F4xx/USB_HOST/build/ch.elf"/>
+					<parser enabled="true"/>
+				</buildOutputProvider>
+				<scannerInfoProvider id="specsFile">
+					<runAction arguments="-E -P -v -dD &quot;${plugin_state_location}/${specs_file}&quot;" command="arm-none-eabi-gcc" useDefault="true"/>
+					<parser enabled="true"/>
+				</scannerInfoProvider>
+			</profile>
 		</scannerConfigBuildInfo>
 	</storageModule>
-	<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
 </cproject>
diff --git a/testhal/STM32/STM32F4xx/USB_HOST/.project b/testhal/STM32/STM32F4xx/USB_HOST/.project
index 8b3c1a2..066a4d6 100644
--- a/testhal/STM32/STM32F4xx/USB_HOST/.project
+++ b/testhal/STM32/STM32F4xx/USB_HOST/.project
@@ -24,4 +24,16 @@
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
 	</natures>
+	<linkedResources>
+		<link>
+			<name>ChibiOS-Contrib-os</name>
+			<type>2</type>
+			<locationURI>$%7BPARENT-5-PROJECT_LOC%7D/ChibiOS-contrib/os</locationURI>
+		</link>
+		<link>
+			<name>ChibiOS-RT-os</name>
+			<type>2</type>
+			<locationURI>$%7BPARENT-5-PROJECT_LOC%7D/ChibiOS-RT/os</locationURI>
+		</link>
+	</linkedResources>
 </projectDescription>
diff --git a/testhal/STM32/STM32F4xx/USB_HOST/Makefile b/testhal/STM32/STM32F4xx/USB_HOST/Makefile
index 0174baf..b166598 100644
--- a/testhal/STM32/STM32F4xx/USB_HOST/Makefile
+++ b/testhal/STM32/STM32F4xx/USB_HOST/Makefile
@@ -5,7 +5,7 @@
 

 # Compiler options here.

 ifeq ($(USE_OPT),)

-  USE_OPT = -Os -ggdb -fomit-frame-pointer -falign-functions=16

+  USE_OPT = -Og -ggdb3 -fomit-frame-pointer -falign-functions=16

 endif

 

 # C specific options here (added to USE_OPT).

@@ -30,7 +30,7 @@ endif
 

 # Enable this if you want link time optimizations (LTO)

 ifeq ($(USE_LTO),)

-  USE_LTO = yes

+  USE_LTO = no

 endif

 

 # If enabled, this option allows to compile the application in THUMB mode.

@@ -89,7 +89,7 @@ PROJECT = ch
 CHIBIOS = ../../../../../ChibiOS-RT

 CHIBIOS_CONTRIB = $(CHIBIOS)/../ChibiOS-Contrib

 # Startup files.

-include $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_stm32f4xx.mk

+include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/startup_stm32f4xx.mk

 # HAL-OSAL files (optional).

 include $(CHIBIOS_CONTRIB)/os/hal/hal.mk

 include $(CHIBIOS_CONTRIB)/os/hal/ports/STM32/STM32F4xx/platform.mk

@@ -97,12 +97,15 @@ include $(CHIBIOS)/os/hal/boards/ST_STM32F4_DISCOVERY/board.mk
 include $(CHIBIOS)/os/hal/osal/rt/osal.mk

 # RTOS files (optional).

 include $(CHIBIOS)/os/rt/rt.mk

-include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk

+include $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk

 # Other files (optional).

 include $(CHIBIOS)/test/rt/test.mk

-include $(CHIBIOS)/os/hal/lib/streams/streams.mk

-include $(CHIBIOS)/os/various/shell/shell.mk

-include $(CHIBIOS)/os/various/fatfs_bindings/fatfs.mk

+include $(CHIBIOS_CONTRIB)/os/various/fatfs_bindings/fatfs.mk

+

+STREAMSSRC = $(CHIBIOS)/os/hal/lib/streams/chprintf.c

+STREAMSINC = $(CHIBIOS)/os/hal/lib/streams/

+SHELLSRC = $(CHIBIOS)/os/various/shell.c

+SHELLINC = $(CHIBIOS)/os/various/

 

 # Define linker script file here

 LDSCRIPT= $(STARTUPLD)/STM32F407xG.ld

@@ -147,8 +150,7 @@ TCSRC =
 TCPPSRC =

 

 # List ASM source files here

-ASMSRC =

-ASMXSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)

+ASMSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)

 

 INCDIR = $(CHIBIOS)/os/license \

          $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \

@@ -222,5 +224,5 @@ ULIBS =
 # End of user defines

 ##############################################################################

 

-RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC

+RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC

 include $(RULESPATH)/rules.mk

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/diskio.h b/testhal/STM32/STM32F4xx/USB_HOST/diskio.h
deleted file mode 100644
index 9650f68..0000000
--- a/testhal/STM32/STM32F4xx/USB_HOST/diskio.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*-----------------------------------------------------------------------/

-/  Low level disk interface modlue include file   (C)ChaN, 2014          /

-/-----------------------------------------------------------------------*/

-

-#ifndef _DISKIO_DEFINED

-#define _DISKIO_DEFINED

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define _USE_WRITE	1	/* 1: Enable disk_write function */

-#define _USE_IOCTL	1	/* 1: Enable disk_ioctl fucntion */

-

-#include "integer.h"

-

-

-/* Status of Disk Functions */

-typedef BYTE	DSTATUS;

-

-/* Results of Disk Functions */

-typedef enum {

-	RES_OK = 0,		/* 0: Successful */

-	RES_ERROR,		/* 1: R/W Error */

-	RES_WRPRT,		/* 2: Write Protected */

-	RES_NOTRDY,		/* 3: Not Ready */

-	RES_PARERR		/* 4: Invalid Parameter */

-} DRESULT;

-

-

-/*---------------------------------------*/

-/* Prototypes for disk control functions */

-

-

-DSTATUS disk_initialize (BYTE pdrv);

-DSTATUS disk_status (BYTE pdrv);

-DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);

-DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);

-DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);

-

-

-/* Disk Status Bits (DSTATUS) */

-

-#define STA_NOINIT		0x01	/* Drive not initialized */

-#define STA_NODISK		0x02	/* No medium in the drive */

-#define STA_PROTECT		0x04	/* Write protected */

-

-

-/* Command code for disk_ioctrl fucntion */

-

-/* Generic command (Used by FatFs) */

-#define CTRL_SYNC			0	/* Complete pending write process (needed at _FS_READONLY == 0) */

-#define GET_SECTOR_COUNT	1	/* Get media size (needed at _USE_MKFS == 1) */

-#define GET_SECTOR_SIZE		2	/* Get sector size (needed at _MAX_SS != _MIN_SS) */

-#define GET_BLOCK_SIZE		3	/* Get erase block size (needed at _USE_MKFS == 1) */

-#define CTRL_TRIM			4	/* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */

-

-/* Generic command (Not used by FatFs) */

-#define CTRL_POWER			5	/* Get/Set power status */

-#define CTRL_LOCK			6	/* Lock/Unlock media removal */

-#define CTRL_EJECT			7	/* Eject media */

-#define CTRL_FORMAT			8	/* Create physical format on the media */

-

-/* MMC/SDC specific ioctl command */

-#define MMC_GET_TYPE		10	/* Get card type */

-#define MMC_GET_CSD			11	/* Get CSD */

-#define MMC_GET_CID			12	/* Get CID */

-#define MMC_GET_OCR			13	/* Get OCR */

-#define MMC_GET_SDSTAT		14	/* Get SD status */

-

-/* ATA/CF specific ioctl command */

-#define ATA_GET_REV			20	/* Get F/W revision */

-#define ATA_GET_MODEL		21	/* Get model name */

-#define ATA_GET_SN			22	/* Get serial number */

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/fatfs_diskio.c b/testhal/STM32/STM32F4xx/USB_HOST/fatfs_diskio.c
deleted file mode 100644
index 41e3553..0000000
--- a/testhal/STM32/STM32F4xx/USB_HOST/fatfs_diskio.c
+++ /dev/null
@@ -1,143 +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. */

-/*-----------------------------------------------------------------------*/

-

-#include "hal.h"

-#include "ffconf.h"

-#include "diskio.h"

-

-#include "usbh/dev/msd.h"

-

-/*-----------------------------------------------------------------------*/

-/* Correspondence between physical drive number and physical drive.      */

-#define MSDLUN0	0

-

-/*-----------------------------------------------------------------------*/

-/* Inidialize a Drive                                                    */

-

-DSTATUS disk_initialize (

-    BYTE pdrv                /* Physical drive nmuber (0..) */

-)

-{

-  DSTATUS stat;

-

-  switch (pdrv) {

-  case MSDLUN0:

-    stat = 0;

-    /* It is initialized externally, just reads the status.*/

-    if (blkGetDriverState(&MSBLKD[0]) != BLK_READY)

-      stat |= STA_NOINIT;

-    return stat;

-  }

-  return STA_NOINIT;

-}

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Return Disk Status                                                    */

-

-DSTATUS disk_status (

-    BYTE pdrv        /* Physical drive nmuber (0..) */

-)

-{

-  DSTATUS stat;

-

-  switch (pdrv) {

-  case MSDLUN0:

-    stat = 0;

-    /* It is initialized externally, just reads the status.*/

-    if (blkGetDriverState(&MSBLKD[0]) != BLK_READY)

-      stat |= STA_NOINIT;

-    return stat;

-  }

-  return STA_NOINIT;

-}

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Read Sector(s)                                                        */

-

-DRESULT disk_read (

-    BYTE pdrv,        /* Physical drive nmuber (0..) */

-    BYTE *buff,        /* Data buffer to store read data */

-    DWORD sector,    /* Sector address (LBA) */

-    UINT count        /* Number of sectors to read (1..255) */

-)

-{

-  switch (pdrv) {

-  case MSDLUN0:

-	/* It is initialized externally, just reads the status.*/

-	if (blkGetDriverState(&MSBLKD[0]) != BLK_READY)

-		return RES_NOTRDY;

-	if (usbhmsdLUNRead(&MSBLKD[0], sector, buff, count))

-		return RES_ERROR;

-	return RES_OK;

-  }

-  return RES_PARERR;

-}

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Write Sector(s)                                                       */

-

-#if _USE_WRITE

-DRESULT disk_write (

-    BYTE pdrv,            /* Physical drive nmuber (0..) */

-    const BYTE *buff,    /* Data to be written */

-    DWORD sector,        /* Sector address (LBA) */

-    UINT count            /* Number of sectors to write (1..255) */

-)

-{

-  switch (pdrv) {

-  case MSDLUN0:

-	/* It is initialized externally, just reads the status.*/

-	if (blkGetDriverState(&MSBLKD[0]) != BLK_READY)

-		return RES_NOTRDY;

-	if (usbhmsdLUNWrite(&MSBLKD[0], sector, buff, count))

-		return RES_ERROR;

-	return RES_OK;

-  }

-  return RES_PARERR;

-}

-#endif /* _USE_WRITE */

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Miscellaneous Functions                                               */

-

-#if _USE_IOCTL

-DRESULT disk_ioctl (

-    BYTE pdrv,        /* Physical drive nmuber (0..) */

-    BYTE cmd,        /* Control code */

-    void *buff        /* Buffer to send/receive control data */

-)

-{

-  switch (pdrv) {

-  case MSDLUN0:

-    switch (cmd) {

-    case CTRL_SYNC:

-        return RES_OK;

-    case GET_SECTOR_COUNT:

-        *((DWORD *)buff) = MSBLKD[0].info.blk_num;

-        return RES_OK;

-    case GET_SECTOR_SIZE:

-        *((WORD *)buff) = MSBLKD[0].info.blk_size;

-        return RES_OK;

-    default:

-        return RES_PARERR;

-    }

-  }

-  return RES_PARERR;

-}

-#endif /* _USE_IOCTL */

-

-DWORD get_fattime(void) {

-    return ((uint32_t)0 | (1 << 16)) | (1 << 21); /* wrong but valid time */

-}

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/ff.c b/testhal/STM32/STM32F4xx/USB_HOST/ff.c
deleted file mode 100644
index 2edbe32..0000000
--- a/testhal/STM32/STM32F4xx/USB_HOST/ff.c
+++ /dev/null
@@ -1,4588 +0,0 @@
-/*----------------------------------------------------------------------------/

-/  FatFs - FAT file system module  R0.10b                (C)ChaN, 2014

-/-----------------------------------------------------------------------------/

-/ 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) 2014, ChaN, all right reserved.

-/

-/ * The FatFs module is a free software and there is NO WARRANTY.

-/ * No restriction on use. You can use, modify and redistribute it for

-/   personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.

-/ * Redistributions of source code must retain the above copyright notice.

-/

-/-----------------------------------------------------------------------------/

-/ Feb 26,'06 R0.00  Prototype.

-/

-/ Apr 29,'06 R0.01  First stable version.

-/

-/ Jun 01,'06 R0.02  Added FAT12 support.

-/                   Removed unbuffered mode.

-/                   Fixed a problem on small (<32M) partition.

-/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).

-/

-/ Sep 22,'06 R0.03  Added f_rename().

-/                   Changed option _FS_MINIMUM to _FS_MINIMIZE.

-/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast.

-/                   Fixed f_mkdir() creates incorrect directory on FAT32.

-/

-/ Feb 04,'07 R0.04  Supported multiple drive system.

-/                   Changed some interfaces for multiple drive system.

-/                   Changed f_mountdrv() to f_mount().

-/                   Added f_mkfs().

-/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive.

-/                   Added a capability of extending file size to f_lseek().

-/                   Added minimization level 3.

-/                   Fixed an endian sensitive code in f_mkfs().

-/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.

-/                   Added FSINFO support.

-/                   Fixed DBCS name can result FR_INVALID_NAME.

-/                   Fixed short seek (<= csize) collapses the file object.

-/

-/ Aug 25,'07 R0.05  Changed arguments of f_read(), f_write() and f_mkfs().

-/                   Fixed f_mkfs() on FAT32 creates incorrect FSINFO.

-/                   Fixed f_mkdir() on FAT32 creates incorrect directory.

-/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().

-/                   Fixed off by one error at FAT sub-type determination.

-/                   Fixed btr in f_read() can be mistruncated.

-/                   Fixed cached sector is not flushed when create and close without write.

-/

-/ Apr 01,'08 R0.06  Added fputc(), fputs(), fprintf() and fgets().

-/                   Improved performance of f_lseek() on moving to the same or following cluster.

-/

-/ Apr 01,'09 R0.07  Merged Tiny-FatFs as a configuration option. (_FS_TINY)

-/                   Added long file name feature.

-/                   Added multiple code page feature.

-/                   Added re-entrancy for multitask operation.

-/                   Added auto cluster size selection to f_mkfs().

-/                   Added rewind option to f_readdir().

-/                   Changed result code of critical errors.

-/                   Renamed string functions to avoid name collision.

-/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg.

-/                   Added multiple sector size feature.

-/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error.

-/                   Fixed wrong cache control in f_lseek().

-/                   Added relative path feature.

-/                   Added f_chdir() and f_chdrive().

-/                   Added proper case conversion to extended character.

-/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h.

-/                   Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.

-/                   Fixed name matching error on the 13 character boundary.

-/                   Added a configuration option, _LFN_UNICODE.

-/                   Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.

-/

-/ May 15,'10 R0.08  Added a memory configuration option. (_USE_LFN = 3)

-/                   Added file lock feature. (_FS_SHARE)

-/                   Added fast seek feature. (_USE_FASTSEEK)

-/                   Changed some types on the API, XCHAR->TCHAR.

-/                   Changed .fname in the FILINFO structure on Unicode cfg.

-/                   String functions support UTF-8 encoding files on Unicode cfg.

-/ Aug 16,'10 R0.08a Added f_getcwd().

-/                   Added sector erase feature. (_USE_ERASE)

-/                   Moved file lock semaphore table from fs object to the bss.

-/                   Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.

-/                   Fixed f_mkfs() creates wrong FAT32 volume.

-/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().

-/                   f_lseek() reports required table size on creating CLMP.

-/                   Extended format syntax of f_printf().

-/                   Ignores duplicated directory separators in given path name.

-/

-/ Sep 06,'11 R0.09  f_mkfs() supports multiple partition to complete the multiple partition feature.

-/                   Added f_fdisk().

-/ Aug 27,'12 R0.09a Changed f_open() and f_opendir() reject null object pointer to avoid crash.

-/                   Changed option name _FS_SHARE to _FS_LOCK.

-/                   Fixed assertion failure due to OS/2 EA on FAT12/16 volume.

-/ Jan 24,'13 R0.09b Added f_setlabel() and f_getlabel().

-/

-/ Oct 02,'13 R0.10  Added selection of character encoding on the file. (_STRF_ENCODE)

-/                   Added f_closedir().

-/                   Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)

-/                   Added forced mount feature with changes of f_mount().

-/                   Improved behavior of volume auto detection.

-/                   Improved write throughput of f_puts() and f_printf().

-/                   Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().

-/                   Fixed f_write() can be truncated when the file size is close to 4GB.

-/                   Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect error code.

-/ Jan 15,'14 R0.10a Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)

-/                   Added a configuration option of minimum sector size. (_MIN_SS)

-/                   2nd argument of f_rename() can have a drive number and it will be ignored.

-/                   Fixed f_mount() with forced mount fails when drive number is >= 1.

-/                   Fixed f_close() invalidates the file object without volume lock.

-/                   Fixed f_closedir() returns but the volume lock is left acquired.

-/                   Fixed creation of an entry with LFN fails on too many SFN collisions.

-/ May 19,'14 R0.10b Fixed a hard error in the disk I/O layer can collapse the directory entry.

-/                   Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN.

-/---------------------------------------------------------------------------*/

-

-#include "ff.h"			/* Declarations of FatFs API */

-#include "diskio.h"		/* Declarations of disk I/O functions */

-

-

-

-

-/*--------------------------------------------------------------------------

-

-   Module Private Definitions

-

----------------------------------------------------------------------------*/

-

-#if _FATFS != 8051	/* Revision ID */

-#error Wrong include file (ff.h).

-#endif

-

-

-/* Reentrancy related */

-#if _FS_REENTRANT

-#if _USE_LFN == 1

-#error Static LFN work area cannot be used at thread-safe 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->err = (BYTE)(res); LEAVE_FF(fs, res); }

-

-

-/* Definitions of sector size */

-#if (_MAX_SS < _MIN_SS) || (_MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096) || (_MIN_SS != 512 && _MIN_SS != 1024 && _MIN_SS != 2048 && _MIN_SS != 4096)

-#error Wrong sector size configuration.

-#endif

-#if _MAX_SS == _MIN_SS

-#define	SS(fs)	((UINT)_MAX_SS)	/* Fixed sector size */

-#else

-#define	SS(fs)	((fs)->ssize)	/* Variable sector size */

-#endif

-

-

-/* File access control feature */

-#if _FS_LOCK

-#if _FS_READONLY

-#error _FS_LOCK must be 0 at read-only cfg.

-#endif

-typedef struct {

-	FATFS *fs;		/* Object ID 1, volume (NULL:blank entry) */

-	DWORD clu;		/* Object ID 2, directory (0:root) */

-	WORD idx;		/* Object ID 3, directory index */

-	WORD ctr;		/* Object open counter, 0:none, 0x01..0xFF:read mode open count, 0x100:write mode */

-} FILESEM;

-#endif

-

-

-

-/* DBCS code ranges and SBCS extend character conversion table */

-

-#if _CODE_PAGE == 932	/* Japanese Shift-JIS */

-#define _DF1S	0x81	/* DBC 1st byte range 1 start */

-#define _DF1E	0x9F	/* DBC 1st byte range 1 end */

-#define _DF2S	0xE0	/* DBC 1st byte range 2 start */

-#define _DF2E	0xFC	/* DBC 1st byte range 2 end */

-#define _DS1S	0x40	/* DBC 2nd byte range 1 start */

-#define _DS1E	0x7E	/* DBC 2nd byte range 1 end */

-#define _DS2S	0x80	/* DBC 2nd byte range 2 start */

-#define _DS2E	0xFC	/* DBC 2nd byte range 2 end */

-

-#elif _CODE_PAGE == 936	/* Simplified Chinese GBK */

-#define _DF1S	0x81

-#define _DF1E	0xFE

-#define _DS1S	0x40

-#define _DS1E	0x7E

-#define _DS2S	0x80

-#define _DS2E	0xFE

-

-#elif _CODE_PAGE == 949	/* Korean */

-#define _DF1S	0x81

-#define _DF1E	0xFE

-#define _DS1S	0x41

-#define _DS1E	0x5A

-#define _DS2S	0x61

-#define _DS2E	0x7A

-#define _DS3S	0x81

-#define _DS3E	0xFE

-

-#elif _CODE_PAGE == 950	/* Traditional Chinese Big5 */

-#define _DF1S	0x81

-#define _DF1E	0xFE

-#define _DS1S	0x40

-#define _DS1E	0x7E

-#define _DS2S	0xA1

-#define _DS2E	0xFE

-

-#elif _CODE_PAGE == 437	/* U.S. (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F,0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 720	/* Arabic (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x45,0x41,0x84,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x49,0x49,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 737	/* Greek (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \

-				0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xE7,0xE8,0xF1,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 775	/* Baltic (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \

-				0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 850	/* Multilingual Latin 1 (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \

-				0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 852	/* Latin 2 (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F,0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0x9F, \

-				0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF}

-

-#elif _CODE_PAGE == 855	/* Cyrillic (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F,0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \

-				0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \

-				0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 857	/* Turkish (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x98,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \

-				0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0x59,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 858	/* Multilingual Latin 1 + Euro (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \

-				0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 862	/* Hebrew (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 866	/* Russian (OEM) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 874	/* Thai (OEM, Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \

-				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xA3,0xB4,0xB5,0xB6,0xB7,0xB8,0xA5,0xAA,0xBB,0xBC,0xBD,0xBC,0xAF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}

-

-#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x82,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x80,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \

-				0xA0,0xA2,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB2,0xA5,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xA3,0xBD,0xBD,0xAF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF}

-

-#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0xAd,0x9B,0x8C,0x9D,0xAE,0x9F, \

-				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}

-

-#elif _CODE_PAGE == 1253 /* Greek (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xA2,0xB8,0xB9,0xBA, \

-				0xE0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xFB,0xBC,0xFD,0xBF,0xFF}

-

-#elif _CODE_PAGE == 1254 /* Turkish (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x9D,0x9E,0x9F, \

-				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}

-

-#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 1256 /* Arabic (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x8C,0x9D,0x9E,0x9F, \

-				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0x41,0xE1,0x41,0xE3,0xE4,0xE5,0xE6,0x43,0x45,0x45,0x45,0x45,0xEC,0xED,0x49,0x49,0xF0,0xF1,0xF2,0xF3,0x4F,0xF5,0xF6,0xF7,0xF8,0x55,0xFA,0x55,0x55,0xFD,0xFE,0xFF}

-

-#elif _CODE_PAGE == 1257 /* Baltic (Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \

-				0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xBC,0xBD,0xBE,0xAF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}

-

-#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */

-#define _DF1S	0

-#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0xAC,0x9D,0x9E,0x9F, \

-				0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \

-				0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xEC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xFE,0x9F}

-

-#elif _CODE_PAGE == 1	/* ASCII (for only non-LFN cfg) */

-#if _USE_LFN

-#error Cannot use LFN feature without valid code page.

-#endif

-#define _DF1S	0

-

-#else

-#error Unknown code page

-

-#endif

-

-

-/* Character code support macros */

-#define IsUpper(c)	(((c)>='A')&&((c)<='Z'))

-#define IsLower(c)	(((c)>='a')&&((c)<='z'))

-#define IsDigit(c)	(((c)>='0')&&((c)<='9'))

-

-#if _DF1S		/* Code page is DBCS */

-

-#ifdef _DF2S	/* Two 1st byte areas */

-#define IsDBCS1(c)	(((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))

-#else			/* One 1st byte area */

-#define IsDBCS1(c)	((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)

-#endif

-

-#ifdef _DS3S	/* Three 2nd byte areas */

-#define IsDBCS2(c)	(((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))

-#else			/* Two 2nd byte areas */

-#define IsDBCS2(c)	(((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))

-#endif

-

-#else			/* Code page is SBCS */

-

-#define IsDBCS1(c)	0

-#define IsDBCS2(c)	0

-

-#endif /* _DF1S */

-

-

-/* Name status flags */

-#define NS			11		/* Index of name status byte in fn[] */

-#define NS_LOSS		0x01	/* Out of 8.3 format */

-#define NS_LFN		0x02	/* Force to create LFN entry */

-#define NS_LAST		0x04	/* Last segment */

-#define NS_BODY		0x08	/* Lower case flag (body) */

-#define NS_EXT		0x10	/* Lower case flag (ext) */

-#define NS_DOT		0x20	/* Dot entry */

-

-

-/* FAT sub-type boundaries */

-#define MIN_FAT16	4086U	/* Minimum number of clusters for FAT16 */

-#define	MIN_FAT32	65526U	/* Minimum number of clusters for FAT32 */

-

-

-/* FatFs refers the members in the FAT structures as byte array instead of

-/ structure member because the structure is not binary compatible between

-/ different platforms */

-

-#define BS_jmpBoot			0		/* Jump instruction (3) */

-#define BS_OEMName			3		/* OEM name (8) */

-#define BPB_BytsPerSec		11		/* Sector size [byte] (2) */

-#define BPB_SecPerClus		13		/* Cluster size [sector] (1) */

-#define BPB_RsvdSecCnt		14		/* Size of reserved area [sector] (2) */

-#define BPB_NumFATs			16		/* Number of FAT copies (1) */

-#define BPB_RootEntCnt		17		/* Number of root directory entries for FAT12/16 (2) */

-#define BPB_TotSec16		19		/* Volume size [sector] (2) */

-#define BPB_Media			21		/* Media descriptor (1) */

-#define BPB_FATSz16			22		/* FAT size [sector] (2) */

-#define BPB_SecPerTrk		24		/* Track size [sector] (2) */

-#define BPB_NumHeads		26		/* Number of heads (2) */

-#define BPB_HiddSec			28		/* Number of special hidden sectors (4) */

-#define BPB_TotSec32		32		/* Volume size [sector] (4) */

-#define BS_DrvNum			36		/* Physical drive number (2) */

-#define BS_BootSig			38		/* Extended boot signature (1) */

-#define BS_VolID			39		/* Volume serial number (4) */

-#define BS_VolLab			43		/* Volume label (8) */

-#define BS_FilSysType		54		/* File system type (1) */

-#define BPB_FATSz32			36		/* FAT size [sector] (4) */

-#define BPB_ExtFlags		40		/* Extended flags (2) */

-#define BPB_FSVer			42		/* File system version (2) */

-#define BPB_RootClus		44		/* Root directory first cluster (4) */

-#define BPB_FSInfo			48		/* Offset of FSINFO sector (2) */

-#define BPB_BkBootSec		50		/* Offset of backup boot sector (2) */

-#define BS_DrvNum32			64		/* Physical drive number (2) */

-#define BS_BootSig32		66		/* Extended boot signature (1) */

-#define BS_VolID32			67		/* Volume serial number (4) */

-#define BS_VolLab32			71		/* Volume label (8) */

-#define BS_FilSysType32		82		/* File system type (1) */

-#define	FSI_LeadSig			0		/* FSI: Leading signature (4) */

-#define	FSI_StrucSig		484		/* FSI: Structure signature (4) */

-#define	FSI_Free_Count		488		/* FSI: Number of free clusters (4) */

-#define	FSI_Nxt_Free		492		/* FSI: Last allocated cluster (4) */

-#define MBR_Table			446		/* MBR: Partition table offset (2) */

-#define	SZ_PTE				16		/* MBR: Size of a partition table entry */

-#define BS_55AA				510		/* Signature word (2) */

-

-#define	DIR_Name			0		/* Short file name (11) */

-#define	DIR_Attr			11		/* Attribute (1) */

-#define	DIR_NTres			12		/* NT flag (1) */

-#define DIR_CrtTimeTenth	13		/* Created time sub-second (1) */

-#define	DIR_CrtTime			14		/* Created time (2) */

-#define	DIR_CrtDate			16		/* Created date (2) */

-#define DIR_LstAccDate		18		/* Last accessed date (2) */

-#define	DIR_FstClusHI		20		/* Higher 16-bit of first cluster (2) */

-#define	DIR_WrtTime			22		/* Modified time (2) */

-#define	DIR_WrtDate			24		/* Modified date (2) */

-#define	DIR_FstClusLO		26		/* Lower 16-bit of first cluster (2) */

-#define	DIR_FileSize		28		/* File size (4) */

-#define	LDIR_Ord			0		/* LFN entry order and LLE flag (1) */

-#define	LDIR_Attr			11		/* LFN attribute (1) */

-#define	LDIR_Type			12		/* LFN type (1) */

-#define	LDIR_Chksum			13		/* Sum of corresponding SFN entry */

-#define	LDIR_FstClusLO		26		/* Filled by zero (0) */

-#define	SZ_DIR				32		/* Size of a directory entry */

-#define	LLE					0x40	/* Last long entry flag in LDIR_Ord */

-#define	DDE					0xE5	/* Deleted directory entry mark in DIR_Name[0] */

-#define	NDDE				0x05	/* Replacement of the character collides with DDE */

-

-

-

-

-/*------------------------------------------------------------*/

-/* Module private work area                                   */

-/*------------------------------------------------------------*/

-/* Note that uninitialized variables with static duration are

-/  guaranteed zero/null as initial value. If not, either the

-/  linker or start-up routine is out of ANSI-C standard.

-*/

-

-#if _VOLUMES >= 1 || _VOLUMES <= 10

-static

-FATFS *FatFs[_VOLUMES];		/* Pointer to the file system objects (logical drives) */

-#else

-#error Number of volumes must be 1 to 10.

-#endif

-

-static

-WORD Fsid;					/* File system mount ID */

-

-#if _FS_RPATH && _VOLUMES >= 2

-static

-BYTE CurrVol;				/* Current drive */

-#endif

-

-#if _FS_LOCK

-static

-FILESEM	Files[_FS_LOCK];	/* Open object lock semaphores */

-#endif

-

-#if _USE_LFN == 0			/* No LFN feature */

-#define	DEF_NAMEBUF			BYTE sfn[12]

-#define INIT_BUF(dobj)		(dobj).fn = sfn

-#define	FREE_BUF()

-

-#elif _USE_LFN == 1			/* LFN feature with static working buffer */

-static

-WCHAR LfnBuf[_MAX_LFN+1];

-#define	DEF_NAMEBUF			BYTE sfn[12]

-#define INIT_BUF(dobj)		{ (dobj).fn = sfn; (dobj).lfn = LfnBuf; }

-#define	FREE_BUF()

-

-#elif _USE_LFN == 2 		/* LFN feature with dynamic working buffer on the stack */

-#define	DEF_NAMEBUF			BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]

-#define INIT_BUF(dobj)		{ (dobj).fn = sfn; (dobj).lfn = lbuf; }

-#define	FREE_BUF()

-

-#elif _USE_LFN == 3 		/* LFN feature with dynamic working buffer on the heap */

-#define	DEF_NAMEBUF			BYTE sfn[12]; WCHAR *lfn

-#define INIT_BUF(dobj)		{ lfn = ff_memalloc((_MAX_LFN + 1) * 2); \

-							  if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \

-							  (dobj).lfn = lfn;	(dobj).fn = sfn; }

-#define	FREE_BUF()			ff_memfree(lfn)

-

-#else

-#error Wrong LFN configuration.

-#endif

-

-

-#ifdef _EXCVT

-static

-const BYTE ExCvt[] = _EXCVT;	/* Upper conversion table for extended characters */

-#endif

-

-

-

-

-

-

-/*--------------------------------------------------------------------------

-

-   Module Private Functions

-

----------------------------------------------------------------------------*/

-

-

-/*-----------------------------------------------------------------------*/

-/* String functions                                                      */

-/*-----------------------------------------------------------------------*/

-

-/* Copy memory to memory */

-static

-void mem_cpy (void* dst, const void* src, UINT cnt) {

-	BYTE *d = (BYTE*)dst;

-	const BYTE *s = (const BYTE*)src;

-

-#if _WORD_ACCESS == 1

-	while (cnt >= sizeof (int)) {

-		*(int*)d = *(int*)s;

-		d += sizeof (int); s += sizeof (int);

-		cnt -= sizeof (int);

-	}

-#endif

-	while (cnt--)

-		*d++ = *s++;

-}

-

-/* Fill memory */

-static

-void mem_set (void* dst, int val, UINT cnt) {

-	BYTE *d = (BYTE*)dst;

-

-	while (cnt--)

-		*d++ = (BYTE)val;

-}

-

-/* Compare memory to memory */

-static

-int mem_cmp (const void* dst, const void* src, UINT cnt) {

-	const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src;

-	int r = 0;

-

-	while (cnt-- && (r = *d++ - *s++) == 0) ;

-	return r;

-}

-

-/* Check if chr is contained in the string */

-static

-int chk_chr (const char* str, int chr) {

-	while (*str && *str != chr) str++;

-	return *str;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Request/Release grant to access the volume                            */

-/*-----------------------------------------------------------------------*/

-#if _FS_REENTRANT

-static

-int lock_fs (

-	FATFS* fs		/* File system object */

-)

-{

-	return ff_req_grant(fs->sobj);

-}

-

-

-static

-void unlock_fs (

-	FATFS* fs,		/* File system object */

-	FRESULT res		/* Result code to be returned */

-)

-{

-	if (fs &&

-		res != FR_NOT_ENABLED &&

-		res != FR_INVALID_DRIVE &&

-		res != FR_INVALID_OBJECT &&

-		res != FR_TIMEOUT) {

-		ff_rel_grant(fs->sobj);

-	}

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* File lock control functions                                           */

-/*-----------------------------------------------------------------------*/

-#if _FS_LOCK

-

-static

-FRESULT chk_lock (	/* Check if the file can be accessed */

-	DIR* dp,		/* Directory object pointing the file to be checked */

-	int acc			/* Desired access type (0:Read, 1:Write, 2:Delete/Rename) */

-)

-{

-	UINT i, be;

-

-	/* Search file semaphore table */

-	for (i = be = 0; i < _FS_LOCK; i++) {

-		if (Files[i].fs) {	/* Existing entry */

-			if (Files[i].fs == dp->fs &&	 	/* Check if the object matched with an open object */

-				Files[i].clu == dp->sclust &&

-				Files[i].idx == dp->index) break;

-		} else {			/* Blank entry */

-			be = 1;

-		}

-	}

-	if (i == _FS_LOCK)	/* The object is not opened */

-		return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES;	/* Is there a blank entry for new object? */

-

-	/* The object has been opened. Reject any open against writing file and all write mode open */

-	return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;

-}

-

-

-static

-int enq_lock (void)	/* Check if an entry is available for a new object */

-{

-	UINT i;

-

-	for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;

-	return (i == _FS_LOCK) ? 0 : 1;

-}

-

-

-static

-UINT inc_lock (	/* Increment object open counter and returns its index (0:Internal error) */

-	DIR* dp,	/* Directory object pointing the file to register or increment */

-	int acc		/* Desired access (0:Read, 1:Write, 2:Delete/Rename) */

-)

-{

-	UINT i;

-

-

-	for (i = 0; i < _FS_LOCK; i++) {	/* Find the object */

-		if (Files[i].fs == dp->fs &&

-			Files[i].clu == dp->sclust &&

-			Files[i].idx == dp->index) break;

-	}

-

-	if (i == _FS_LOCK) {				/* Not opened. Register it as new. */

-		for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;

-		if (i == _FS_LOCK) return 0;	/* No free entry to register (int err) */

-		Files[i].fs = dp->fs;

-		Files[i].clu = dp->sclust;

-		Files[i].idx = dp->index;

-		Files[i].ctr = 0;

-	}

-

-	if (acc && Files[i].ctr) return 0;	/* Access violation (int err) */

-

-	Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1;	/* Set semaphore value */

-

-	return i + 1;

-}

-

-

-static

-FRESULT dec_lock (	/* Decrement object open counter */

-	UINT i			/* Semaphore index (1..) */

-)

-{

-	WORD n;

-	FRESULT res;

-

-

-	if (--i < _FS_LOCK) {	/* Shift index number origin from 0 */

-		n = Files[i].ctr;

-		if (n == 0x100) n = 0;		/* If write mode open, delete the entry */

-		if (n) n--;					/* Decrement read mode open count */

-		Files[i].ctr = n;

-		if (!n) Files[i].fs = 0;	/* Delete the entry if open count gets zero */

-		res = FR_OK;

-	} else {

-		res = FR_INT_ERR;			/* Invalid index nunber */

-	}

-	return res;

-}

-

-

-static

-void clear_lock (	/* Clear lock entries of the volume */

-	FATFS *fs

-)

-{

-	UINT i;

-

-	for (i = 0; i < _FS_LOCK; i++) {

-		if (Files[i].fs == fs) Files[i].fs = 0;

-	}

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Move/Flush disk access window in the file system object               */

-/*-----------------------------------------------------------------------*/

-#if !_FS_READONLY

-static

-FRESULT sync_window (

-	FATFS* fs		/* File system object */

-)

-{

-	DWORD wsect;

-	UINT nf;

-

-

-	if (fs->wflag) {	/* Write back the sector if it is dirty */

-		wsect = fs->winsect;	/* Current sector number */

-		if (disk_write(fs->drv, fs->win, wsect, 1))

-			return FR_DISK_ERR;

-		fs->wflag = 0;

-		if (wsect - fs->fatbase < fs->fsize) {		/* Is it in the FAT area? */

-			for (nf = fs->n_fats; nf >= 2; nf--) {	/* Reflect the change to all FAT copies */

-				wsect += fs->fsize;

-				disk_write(fs->drv, fs->win, wsect, 1);

-			}

-		}

-	}

-	return FR_OK;

-}

-#endif

-

-

-static

-FRESULT move_window (

-	FATFS* fs,		/* File system object */

-	DWORD sector	/* Sector number to make appearance in the fs->win[] */

-)

-{

-	if (sector != fs->winsect) {	/* Changed current window */

-#if !_FS_READONLY

-		if (sync_window(fs) != FR_OK)

-			return FR_DISK_ERR;

-#endif

-		if (disk_read(fs->drv, fs->win, sector, 1))

-			return FR_DISK_ERR;

-		fs->winsect = sector;

-	}

-

-	return FR_OK;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Synchronize file system and strage device                             */

-/*-----------------------------------------------------------------------*/

-#if !_FS_READONLY

-static

-FRESULT sync_fs (	/* FR_OK: successful, FR_DISK_ERR: failed */

-	FATFS* fs		/* File system object */

-)

-{

-	FRESULT res;

-

-

-	res = sync_window(fs);

-	if (res == FR_OK) {

-		/* Update FSINFO sector if needed */

-		if (fs->fs_type == FS_FAT32 && fs->fsi_flag == 1) {

-			/* Create FSINFO structure */

-			mem_set(fs->win, 0, SS(fs));

-			ST_WORD(fs->win+BS_55AA, 0xAA55);

-			ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);

-			ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);

-			ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);

-			ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);

-			/* Write it into the FSINFO sector */

-			fs->winsect = fs->volbase + 1;

-			disk_write(fs->drv, fs->win, fs->winsect, 1);

-			fs->fsi_flag = 0;

-		}

-		/* Make sure that no pending write process in the physical drive */

-		if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)

-			res = FR_DISK_ERR;

-	}

-

-	return res;

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Get sector# from cluster#                                             */

-/*-----------------------------------------------------------------------*/

-

-

-DWORD clust2sect (	/* !=0: Sector number, 0: Failed - invalid cluster# */

-	FATFS* fs,		/* File system object */

-	DWORD clst		/* Cluster# to be converted */

-)

-{

-	clst -= 2;

-	if (clst >= (fs->n_fatent - 2)) return 0;		/* Invalid cluster# */

-	return clst * fs->csize + fs->database;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* FAT access - Read value of a FAT entry                                */

-/*-----------------------------------------------------------------------*/

-

-

-DWORD get_fat (	/* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */

-	FATFS* fs,	/* File system object */

-	DWORD clst	/* Cluster# to get the link information */

-)

-{

-	UINT wc, bc;

-	BYTE *p;

-

-

-	if (clst < 2 || clst >= fs->n_fatent)	/* Check 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;

-

-	default:

-		return 1;

-	}

-

-	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 = (UINT)clst; bc += bc / 2;

-			res = move_window(fs, fs->fatbase + (bc / SS(fs)));

-			if (res != FR_OK) break;

-			p = &fs->win[bc % SS(fs)];

-			*p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val;

-			bc++;

-			fs->wflag = 1;

-			res = move_window(fs, fs->fatbase + (bc / SS(fs)));

-			if (res != FR_OK) break;

-			p = &fs->win[bc % SS(fs)];

-			*p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F));

-			break;

-

-		case FS_FAT16 :

-			res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));

-			if (res != FR_OK) break;

-			p = &fs->win[clst * 2 % SS(fs)];

-			ST_WORD(p, (WORD)val);

-			break;

-

-		case FS_FAT32 :

-			res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));

-			if (res != FR_OK) break;

-			p = &fs->win[clst * 4 % SS(fs)];

-			val |= LD_DWORD(p) & 0xF0000000;

-			ST_DWORD(p, val);

-			break;

-

-		default :

-			res = FR_INT_ERR;

-		}

-		fs->wflag = 1;

-	}

-

-	return res;

-}

-#endif /* !_FS_READONLY */

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* FAT handling - Remove a cluster chain                                 */

-/*-----------------------------------------------------------------------*/

-#if !_FS_READONLY

-static

-FRESULT remove_chain (

-	FATFS* fs,			/* File system object */

-	DWORD clst			/* Cluster# to remove a chain from */

-)

-{

-	FRESULT res;

-	DWORD nxt;

-#if _USE_ERASE

-	DWORD scl = clst, ecl = clst, rt[2];

-#endif

-

-	if (clst < 2 || clst >= fs->n_fatent) {	/* Check range */

-		res = FR_INT_ERR;

-

-	} else {

-		res = FR_OK;

-		while (clst < fs->n_fatent) {			/* Not a last link? */

-			nxt = get_fat(fs, clst);			/* Get cluster status */

-			if (nxt == 0) break;				/* Empty cluster? */

-			if (nxt == 1) { res = FR_INT_ERR; break; }	/* Internal error? */

-			if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }	/* Disk error? */

-			res = put_fat(fs, clst, 0);			/* Mark the cluster "empty" */

-			if (res != FR_OK) break;

-			if (fs->free_clust != 0xFFFFFFFF) {	/* Update FSINFO */

-				fs->free_clust++;

-				fs->fsi_flag |= 1;

-			}

-#if _USE_ERASE

-			if (ecl + 1 == nxt) {	/* Is next cluster contiguous? */

-				ecl = nxt;

-			} else {				/* End of contiguous clusters */ 

-				rt[0] = clust2sect(fs, scl);					/* Start sector */

-				rt[1] = clust2sect(fs, ecl) + fs->csize - 1;	/* End sector */

-				disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, rt);		/* Erase the block */

-				scl = ecl = nxt;

-			}

-#endif

-			clst = nxt;	/* Next cluster */

-		}

-	}

-

-	return res;

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* FAT handling - Stretch or Create a cluster chain                      */

-/*-----------------------------------------------------------------------*/

-#if !_FS_READONLY

-static

-DWORD create_chain (	/* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */

-	FATFS* fs,			/* File system object */

-	DWORD clst			/* Cluster# to stretch. 0 means create a new chain. */

-)

-{

-	DWORD cs, ncl, scl;

-	FRESULT res;

-

-

-	if (clst == 0) {		/* Create a new chain */

-		scl = fs->last_clust;			/* Get suggested start point */

-		if (!scl || scl >= fs->n_fatent) scl = 1;

-	}

-	else {					/* Stretch the current chain */

-		cs = get_fat(fs, clst);			/* Check the cluster status */

-		if (cs < 2) return 1;			/* Invalid value */

-		if (cs == 0xFFFFFFFF) return cs;	/* A disk error occurred */

-		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) {		/* Check wrap around */

-			ncl = 2;

-			if (ncl > scl) return 0;	/* No free cluster */

-		}

-		cs = get_fat(fs, ncl);			/* Get the cluster status */

-		if (cs == 0) break;				/* Found a free cluster */

-		if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */

-			return cs;

-		if (ncl == scl) return 0;		/* No free cluster */

-	}

-

-	res = put_fat(fs, ncl, 0x0FFFFFFF);	/* Mark the new cluster "last link" */

-	if (res == FR_OK && clst != 0) {

-		res = put_fat(fs, clst, ncl);	/* Link it to the previous one if needed */

-	}

-	if (res == FR_OK) {

-		fs->last_clust = ncl;			/* Update FSINFO */

-		if (fs->free_clust != 0xFFFFFFFF) {

-			fs->free_clust--;

-			fs->fsi_flag |= 1;

-		}

-	} else {

-		ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;

-	}

-

-	return ncl;		/* Return new cluster number or error code */

-}

-#endif /* !_FS_READONLY */

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* FAT handling - Convert offset into cluster with link map table        */

-/*-----------------------------------------------------------------------*/

-

-#if _USE_FASTSEEK

-static

-DWORD clmt_clust (	/* <2:Error, >=2:Cluster number */

-	FIL* fp,		/* Pointer to the file object */

-	DWORD ofs		/* File offset to be converted to cluster# */

-)

-{

-	DWORD cl, ncl, *tbl;

-

-

-	tbl = fp->cltbl + 1;	/* Top of CLMT */

-	cl = ofs / SS(fp->fs) / fp->fs->csize;	/* Cluster order from top of the file */

-	for (;;) {

-		ncl = *tbl++;			/* Number of cluters in the fragment */

-		if (!ncl) return 0;		/* End of table? (error) */

-		if (cl < ncl) break;	/* In this fragment? */

-		cl -= ncl; tbl++;		/* Next fragment */

-	}

-	return cl + *tbl;	/* Return the cluster number */

-}

-#endif	/* _USE_FASTSEEK */

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Directory handling - Set directory index                              */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT dir_sdi (

-	DIR* dp,		/* Pointer to directory object */

-	UINT idx		/* Index of directory table */

-)

-{

-	DWORD clst, sect;

-	UINT ic;

-

-

-	dp->index = (WORD)idx;	/* Current index */

-	clst = dp->sclust;		/* Table start cluster (0:root) */

-	if (clst == 1 || clst >= dp->fs->n_fatent)	/* Check start cluster range */

-		return FR_INT_ERR;

-	if (!clst && dp->fs->fs_type == FS_FAT32)	/* Replace cluster# 0 with root cluster# if in FAT32 */

-		clst = dp->fs->dirbase;

-

-	if (clst == 0) {	/* Static table (root-directory in FAT12/16) */

-		if (idx >= dp->fs->n_rootdir)	/* Is index out of range? */

-			return FR_INT_ERR;

-		sect = dp->fs->dirbase;

-	}

-	else {				/* Dynamic table (root-directory in FAT32 or sub-directory) */

-		ic = SS(dp->fs) / SZ_DIR * dp->fs->csize;	/* Entries per cluster */

-		while (idx >= ic) {	/* Follow cluster chain */

-			clst = get_fat(dp->fs, clst);				/* Get next cluster */

-			if (clst == 0xFFFFFFFF) return FR_DISK_ERR;	/* Disk error */

-			if (clst < 2 || clst >= dp->fs->n_fatent)	/* Reached to end of table or internal error */

-				return FR_INT_ERR;

-			idx -= ic;

-		}

-		sect = clust2sect(dp->fs, clst);

-	}

-	dp->clust = clst;	/* Current cluster# */

-	if (!sect) return FR_INT_ERR;

-	dp->sect = sect + idx / (SS(dp->fs) / SZ_DIR);					/* Sector# of the directory entry */

-	dp->dir = dp->fs->win + (idx % (SS(dp->fs) / SZ_DIR)) * SZ_DIR;	/* Ptr to the entry in the sector */

-

-	return FR_OK;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Directory handling - Move directory table index next                  */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT dir_next (	/* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */

-	DIR* dp,		/* Pointer to the directory object */

-	int stretch		/* 0: Do not stretch table, 1: Stretch table if needed */

-)

-{

-	DWORD clst;

-	UINT i;

-

-

-	i = dp->index + 1;

-	if (!(i & 0xFFFF) || !dp->sect)	/* Report EOT when index has reached 65535 */

-		return FR_NO_FILE;

-

-	if (!(i % (SS(dp->fs) / SZ_DIR))) {	/* Sector changed? */

-		dp->sect++;					/* Next sector */

-

-		if (!dp->clust) {		/* Static table */

-			if (i >= dp->fs->n_rootdir)	/* Report EOT if it reached end of static table */

-				return FR_NO_FILE;

-		}

-		else {					/* Dynamic table */

-			if (((i / (SS(dp->fs) / SZ_DIR)) & (dp->fs->csize - 1)) == 0) {	/* Cluster changed? */

-				clst = get_fat(dp->fs, dp->clust);				/* Get next cluster */

-				if (clst <= 1) return FR_INT_ERR;

-				if (clst == 0xFFFFFFFF) return FR_DISK_ERR;

-				if (clst >= dp->fs->n_fatent) {					/* If it reached end of dynamic table, */

-#if !_FS_READONLY

-					UINT c;

-					if (!stretch) return FR_NO_FILE;			/* If do not stretch, report EOT */

-					clst = create_chain(dp->fs, dp->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 (sync_window(dp->fs)) return FR_DISK_ERR;/* Flush disk access window */

-					mem_set(dp->fs->win, 0, SS(dp->fs));		/* Clear window buffer */

-					dp->fs->winsect = clust2sect(dp->fs, clst);	/* Cluster start sector */

-					for (c = 0; c < dp->fs->csize; c++) {		/* Fill the new cluster with 0 */

-						dp->fs->wflag = 1;

-						if (sync_window(dp->fs)) return FR_DISK_ERR;

-						dp->fs->winsect++;

-					}

-					dp->fs->winsect -= c;						/* Rewind window offset */

-#else

-					if (!stretch) return FR_NO_FILE;			/* If do not stretch, report EOT (this is to suppress warning) */

-					return FR_NO_FILE;							/* Report EOT */

-#endif

-				}

-				dp->clust = clst;				/* Initialize data for new cluster */

-				dp->sect = clust2sect(dp->fs, clst);

-			}

-		}

-	}

-

-	dp->index = (WORD)i;	/* Current index */

-	dp->dir = dp->fs->win + (i % (SS(dp->fs) / SZ_DIR)) * SZ_DIR;	/* Current entry in the window */

-

-	return FR_OK;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Directory handling - Reserve directory entry                          */

-/*-----------------------------------------------------------------------*/

-

-#if !_FS_READONLY

-static

-FRESULT dir_alloc (

-	DIR* dp,	/* Pointer to the directory object */

-	UINT nent	/* Number of contiguous entries to allocate (1-21) */

-)

-{

-	FRESULT res;

-	UINT n;

-

-

-	res = dir_sdi(dp, 0);

-	if (res == FR_OK) {

-		n = 0;

-		do {

-			res = move_window(dp->fs, dp->sect);

-			if (res != FR_OK) break;

-			if (dp->dir[0] == DDE || dp->dir[0] == 0) {	/* Is it a blank entry? */

-				if (++n == nent) break;	/* A block of contiguous entries is found */

-			} else {

-				n = 0;					/* Not a blank entry. Restart to search */

-			}

-			res = dir_next(dp, 1);		/* Next entry with table stretch enabled */

-		} while (res == FR_OK);

-	}

-	if (res == FR_NO_FILE) res = FR_DENIED;	/* No directory entry to allocate */

-	return res;

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Directory handling - Load/Store start cluster number                  */

-/*-----------------------------------------------------------------------*/

-

-static

-DWORD ld_clust (

-	FATFS* fs,	/* Pointer to the fs object */

-	BYTE* dir	/* Pointer to the directory entry */

-)

-{

-	DWORD cl;

-

-	cl = LD_WORD(dir+DIR_FstClusLO);

-	if (fs->fs_type == FS_FAT32)

-		cl |= (DWORD)LD_WORD(dir+DIR_FstClusHI) << 16;

-

-	return cl;

-}

-

-

-#if !_FS_READONLY

-static

-void st_clust (

-	BYTE* dir,	/* Pointer to the directory entry */

-	DWORD cl	/* Value to be set */

-)

-{

-	ST_WORD(dir+DIR_FstClusLO, cl);

-	ST_WORD(dir+DIR_FstClusHI, cl >> 16);

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* 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 characters in the directory entry */

-

-

-static

-int cmp_lfn (			/* 1:Matched, 0:Not matched */

-	WCHAR* lfnbuf,		/* Pointer to the LFN to be compared */

-	BYTE* dir			/* Pointer to the directory entry containing a part of LFN */

-)

-{

-	UINT i, s;

-	WCHAR wc, uc;

-

-

-	i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13;	/* Get offset in the LFN buffer */

-	s = 0; wc = 1;

-	do {

-		uc = LD_WORD(dir+LfnOfs[s]);	/* Pick an LFN character from the entry */

-		if (wc) {	/* Last character 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 characters in the entry are checked */

-

-	if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i])	/* Last segment matched but different length */

-		return 0;

-

-	return 1;						/* The part of LFN matched */

-}

-

-

-

-static

-int pick_lfn (			/* 1:Succeeded, 0:Buffer overflow */

-	WCHAR* lfnbuf,		/* Pointer to the Unicode-LFN buffer */

-	BYTE* dir			/* Pointer to the directory entry */

-)

-{

-	UINT i, s;

-	WCHAR wc, uc;

-

-

-	i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13;	/* Offset in the LFN buffer */

-

-	s = 0; wc = 1;

-	do {

-		uc = LD_WORD(dir+LfnOfs[s]);		/* Pick an LFN character from the entry */

-		if (wc) {	/* Last character has not been processed */

-			if (i >= _MAX_LFN) return 0;	/* Buffer overflow? */

-			lfnbuf[i++] = wc = uc;			/* Store it */

-		} else {

-			if (uc != 0xFFFF) return 0;		/* Check filler */

-		}

-	} while (++s < 13);						/* Read all character in the entry */

-

-	if (dir[LDIR_Ord] & LLE) {				/* Put terminator if it is the last LFN part */

-		if (i >= _MAX_LFN) return 0;		/* Buffer overflow? */

-		lfnbuf[i] = 0;

-	}

-

-	return 1;

-}

-

-

-#if !_FS_READONLY

-static

-void fit_lfn (

-	const WCHAR* lfnbuf,	/* Pointer to the LFN buffer */

-	BYTE* dir,				/* Pointer to the directory entry */

-	BYTE ord,				/* LFN order (1-20) */

-	BYTE sum				/* SFN sum */

-)

-{

-	UINT i, s;

-	WCHAR wc;

-

-

-	dir[LDIR_Chksum] = sum;			/* Set check sum */

-	dir[LDIR_Attr] = AM_LFN;		/* Set attribute. LFN entry */

-	dir[LDIR_Type] = 0;

-	ST_WORD(dir+LDIR_FstClusLO, 0);

-

-	i = (ord - 1) * 13;				/* Get offset in the LFN buffer */

-	s = wc = 0;

-	do {

-		if (wc != 0xFFFF) wc = lfnbuf[i++];	/* Get an effective character */

-		ST_WORD(dir+LfnOfs[s], wc);	/* Put it */

-		if (!wc) wc = 0xFFFF;		/* Padding characters following last character */

-	} while (++s < 13);

-	if (wc == 0xFFFF || !lfnbuf[i]) ord |= LLE;	/* Bottom LFN part is the start of LFN sequence */

-	dir[LDIR_Ord] = ord;			/* Set the LFN order */

-}

-

-#endif

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Create numbered name                                                  */

-/*-----------------------------------------------------------------------*/

-#if _USE_LFN

-static

-void gen_numname (

-	BYTE* dst,			/* Pointer to the buffer to store numbered SFN */

-	const BYTE* src,	/* Pointer to SFN */

-	const WCHAR* lfn,	/* Pointer to LFN */

-	UINT seq			/* Sequence number */

-)

-{

-	BYTE ns[8], c;

-	UINT i, j;

-

-

-	mem_cpy(dst, src, 11);

-

-	if (seq > 5) {	/* On many collisions, generate a hash number instead of sequential number */

-		WCHAR wc;

-		DWORD sr = seq;

-

-		while (*lfn) {	/* Create a CRC */

-			wc = *lfn++;

-			for (i = 0; i < 16; i++) {

-				sr = (sr << 1) + (wc & 1);

-				wc >>= 1;

-				if (sr & 0x10000) sr ^= 0x11021;

-			}

-		}

-		seq = (UINT)sr;

-	}

-

-	/* itoa (hexdecimal) */

-	i = 7;

-	do {

-		c = (seq % 16) + '0';

-		if (c > '9') c += 7;

-		ns[i--] = c;

-		seq /= 16;

-	} while (seq);

-	ns[i] = '~';

-

-	/* Append the number */

-	for (j = 0; j < i && dst[j] != ' '; j++) {

-		if (IsDBCS1(dst[j])) {

-			if (j == i - 1) break;

-			j++;

-		}

-	}

-	do {

-		dst[j++] = (i < 8) ? ns[i++] : ' ';

-	} while (j < 8);

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Calculate sum of an SFN                                               */

-/*-----------------------------------------------------------------------*/

-#if _USE_LFN

-static

-BYTE sum_sfn (

-	const BYTE* dir		/* Pointer to the SFN entry */

-)

-{

-	BYTE sum = 0;

-	UINT n = 11;

-

-	do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);

-	return sum;

-}

-#endif

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Directory handling - Find an object in the directory                  */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT dir_find (

-	DIR* dp			/* 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(dp, 0);			/* Rewind directory object */

-	if (res != FR_OK) return res;

-

-#if _USE_LFN

-	ord = sum = 0xFF; dp->lfn_idx = 0xFFFF;	/* Reset LFN sequence */

-#endif

-	do {

-		res = move_window(dp->fs, dp->sect);

-		if (res != FR_OK) break;

-		dir = dp->dir;					/* Ptr to the directory entry of current index */

-		c = dir[DIR_Name];

-		if (c == 0) { res = FR_NO_FILE; break; }	/* Reached to end of table */

-#if _USE_LFN	/* LFN configuration */

-		a = dir[DIR_Attr] & AM_MASK;

-		if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) {	/* An entry without valid data */

-			ord = 0xFF; dp->lfn_idx = 0xFFFF;	/* Reset LFN sequence */

-		} else {

-			if (a == AM_LFN) {			/* An LFN entry is found */

-				if (dp->lfn) {

-					if (c & LLE) {		/* Is it start of LFN sequence? */

-						sum = dir[LDIR_Chksum];

-						c &= ~LLE; ord = c;	/* LFN start order */

-						dp->lfn_idx = dp->index;	/* Start index of LFN */

-					}

-					/* Check validity of the LFN entry and compare it with given name */

-					ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dp->lfn, dir)) ? ord - 1 : 0xFF;

-				}

-			} else {					/* An SFN entry is found */

-				if (!ord && sum == sum_sfn(dir)) break;	/* LFN matched? */

-				if (!(dp->fn[NS] & NS_LOSS) && !mem_cmp(dir, dp->fn, 11)) break;	/* SFN matched? */

-				ord = 0xFF; dp->lfn_idx = 0xFFFF;	/* Reset LFN sequence */

-			}

-		}

-#else		/* Non LFN configuration */

-		if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dp->fn, 11)) /* Is it a valid entry? */

-			break;

-#endif

-		res = dir_next(dp, 0);		/* Next entry */

-	} while (res == FR_OK);

-

-	return res;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Read an object from the directory                                     */

-/*-----------------------------------------------------------------------*/

-#if _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2

-static

-FRESULT dir_read (

-	DIR* dp,		/* Pointer to the directory object */

-	int vol			/* Filtered by 0:file/directory or 1:volume label */

-)

-{

-	FRESULT res;

-	BYTE a, c, *dir;

-#if _USE_LFN

-	BYTE ord = 0xFF, sum = 0xFF;

-#endif

-

-	res = FR_NO_FILE;

-	while (dp->sect) {

-		res = move_window(dp->fs, dp->sect);

-		if (res != FR_OK) break;

-		dir = dp->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 */

-		a = dir[DIR_Attr] & AM_MASK;

-#if _USE_LFN	/* LFN configuration */

-		if (c == DDE || (!_FS_RPATH && c == '.') || (int)(a == AM_VOL) != vol) {	/* An entry without valid data */

-			ord = 0xFF;

-		} else {

-			if (a == AM_LFN) {			/* An LFN entry is found */

-				if (c & LLE) {			/* Is it start of LFN sequence? */

-					sum = dir[LDIR_Chksum];

-					c &= ~LLE; ord = c;

-					dp->lfn_idx = dp->index;

-				}

-				/* Check LFN validity and capture it */

-				ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dp->lfn, dir)) ? ord - 1 : 0xFF;

-			} else {					/* An SFN entry is found */

-				if (ord || sum != sum_sfn(dir))	/* Is there a valid LFN? */

-					dp->lfn_idx = 0xFFFF;		/* It has no LFN. */

-				break;

-			}

-		}

-#else		/* Non LFN configuration */

-		if (c != DDE && (_FS_RPATH || c != '.') && a != AM_LFN && (int)(a == AM_VOL) == vol)	/* Is it a valid entry? */

-			break;

-#endif

-		res = dir_next(dp, 0);				/* Next entry */

-		if (res != FR_OK) break;

-	}

-

-	if (res != FR_OK) dp->sect = 0;

-

-	return res;

-}

-#endif	/* _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2 */

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* 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 */

-	DIR* dp				/* Target directory with object name to be created */

-)

-{

-	FRESULT res;

-#if _USE_LFN	/* LFN configuration */

-	UINT n, nent;

-	BYTE sn[12], *fn, sum;

-	WCHAR *lfn;

-

-

-	fn = dp->fn; lfn = dp->lfn;

-	mem_cpy(sn, fn, 12);

-

-	if (_FS_RPATH && (sn[NS] & NS_DOT))		/* Cannot create dot entry */

-		return FR_INVALID_NAME;

-

-	if (sn[NS] & NS_LOSS) {			/* When LFN is out of 8.3 format, generate a numbered name */

-		fn[NS] = 0; dp->lfn = 0;			/* Find only SFN */

-		for (n = 1; n < 100; n++) {

-			gen_numname(fn, sn, lfn, n);	/* Generate a numbered name */

-			res = dir_find(dp);				/* 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]; dp->lfn = lfn;

-	}

-

-	if (sn[NS] & NS_LFN) {			/* When LFN is to be created, allocate entries for an SFN + LFNs. */

-		for (n = 0; lfn[n]; n++) ;

-		nent = (n + 25) / 13;

-	} else {						/* Otherwise allocate an entry for an SFN  */

-		nent = 1;

-	}

-	res = dir_alloc(dp, nent);		/* Allocate entries */

-

-	if (res == FR_OK && --nent) {	/* Set LFN entry if needed */

-		res = dir_sdi(dp, dp->index - nent);

-		if (res == FR_OK) {

-			sum = sum_sfn(dp->fn);	/* Sum value of the SFN tied to the LFN */

-			do {					/* Store LFN entries in bottom first */

-				res = move_window(dp->fs, dp->sect);

-				if (res != FR_OK) break;

-				fit_lfn(dp->lfn, dp->dir, (BYTE)nent, sum);

-				dp->fs->wflag = 1;

-				res = dir_next(dp, 0);	/* Next entry */

-			} while (res == FR_OK && --nent);

-		}

-	}

-#else	/* Non LFN configuration */

-	res = dir_alloc(dp, 1);		/* Allocate an entry for SFN */

-#endif

-

-	if (res == FR_OK) {				/* Set SFN entry */

-		res = move_window(dp->fs, dp->sect);

-		if (res == FR_OK) {

-			mem_set(dp->dir, 0, SZ_DIR);	/* Clean the entry */

-			mem_cpy(dp->dir, dp->fn, 11);	/* Put SFN */

-#if _USE_LFN

-			dp->dir[DIR_NTres] = dp->fn[NS] & (NS_BODY | NS_EXT);	/* Put NT flag */

-#endif

-			dp->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 */

-	DIR* dp				/* Directory object pointing the entry to be removed */

-)

-{

-	FRESULT res;

-#if _USE_LFN	/* LFN configuration */

-	UINT i;

-

-	i = dp->index;	/* SFN index */

-	res = dir_sdi(dp, (dp->lfn_idx == 0xFFFF) ? i : dp->lfn_idx);	/* Goto the SFN or top of the LFN entries */

-	if (res == FR_OK) {

-		do {

-			res = move_window(dp->fs, dp->sect);

-			if (res != FR_OK) break;

-			mem_set(dp->dir, 0, SZ_DIR);	/* Clear and mark the entry "deleted" */

-			*dp->dir = DDE;

-			dp->fs->wflag = 1;

-			if (dp->index >= i) break;	/* When reached SFN, all entries of the object has been deleted. */

-			res = dir_next(dp, 0);		/* Next entry */

-		} while (res == FR_OK);

-		if (res == FR_NO_FILE) res = FR_INT_ERR;

-	}

-

-#else			/* Non LFN configuration */

-	res = dir_sdi(dp, dp->index);

-	if (res == FR_OK) {

-		res = move_window(dp->fs, dp->sect);

-		if (res == FR_OK) {

-			mem_set(dp->dir, 0, SZ_DIR);	/* Clear and mark the entry "deleted" */

-			*dp->dir = DDE;

-			dp->fs->wflag = 1;

-		}

-	}

-#endif

-

-	return res;

-}

-#endif /* !_FS_READONLY */

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Get file information from directory entry                             */

-/*-----------------------------------------------------------------------*/

-#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2

-static

-void get_fileinfo (		/* No return code */

-	DIR* dp,			/* Pointer to the directory object */

-	FILINFO* fno	 	/* Pointer to the file information to be filled */

-)

-{

-	UINT i;

-	TCHAR *p, c;

-

-

-	p = fno->fname;

-	if (dp->sect) {		/* Get SFN */

-		BYTE *dir = dp->dir;

-

-		i = 0;

-		while (i < 11) {		/* Copy name body and extension */

-			c = (TCHAR)dir[i++];

-			if (c == ' ') continue;			/* Skip padding spaces */

-			if (c == NDDE) c = (TCHAR)DDE;	/* Restore replaced DDE character */

-			if (i == 9) *p++ = '.';			/* Insert a . if extension is exist */

-#if _USE_LFN

-			if (IsUpper(c) && (dir[DIR_NTres] & (i >= 9 ? NS_EXT : NS_BODY)))

-				c += 0x20;			/* To lower */

-#if _LFN_UNICODE

-			if (IsDBCS1(c) && i != 8 && i != 11 && IsDBCS2(dir[i]))

-				c = c << 8 | dir[i++];

-			c = ff_convert(c, 1);	/* OEM -> Unicode */

-			if (!c) c = '?';

-#endif

-#endif

-			*p++ = c;

-		}

-		fno->fattrib = dir[DIR_Attr];				/* Attribute */

-		fno->fsize = LD_DWORD(dir+DIR_FileSize);	/* Size */

-		fno->fdate = LD_WORD(dir+DIR_WrtDate);		/* Date */

-		fno->ftime = LD_WORD(dir+DIR_WrtTime);		/* Time */

-	}

-	*p = 0;		/* Terminate SFN string by a \0 */

-

-#if _USE_LFN

-	if (fno->lfname) {

-		WCHAR w, *lfn;

-

-		i = 0; p = fno->lfname;

-		if (dp->sect && fno->lfsize && dp->lfn_idx != 0xFFFF) {	/* Get LFN if available */

-			lfn = dp->lfn;

-			while ((w = *lfn++) != 0) {		/* Get an LFN character */

-#if !_LFN_UNICODE

-				w = ff_convert(w, 0);		/* Unicode -> OEM */

-				if (!w) { i = 0; break; }	/* No LFN if it could not be converted */

-				if (_DF1S && w >= 0x100)	/* Put 1st byte if it is a DBC (always false on SBCS cfg) */

-					p[i++] = (TCHAR)(w >> 8);

-#endif

-				if (i >= fno->lfsize - 1) { i = 0; break; }	/* No LFN if buffer overflow */

-				p[i++] = (TCHAR)w;

-			}

-		}

-		p[i] = 0;	/* Terminate LFN string by a \0 */

-	}

-#endif

-}

-#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2*/

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Pick a segment and create the object name in directory form           */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT create_name (

-	DIR* dp,			/* Pointer to the directory object */

-	const TCHAR** path	/* Pointer to pointer to the segment in the path string */

-)

-{

-#if _USE_LFN	/* LFN configuration */

-	BYTE b, cf;

-	WCHAR w, *lfn;

-	UINT i, ni, si, di;

-	const TCHAR *p;

-

-	/* Create LFN in Unicode */

-	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */

-	lfn = dp->lfn;

-	si = di = 0;

-	for (;;) {

-		w = p[si++];					/* Get a character */

-		if (w < ' ' || w == '/' || w == '\\') break;	/* Break on end of segment */

-		if (di >= _MAX_LFN)				/* Reject too long name */

-			return FR_INVALID_NAME;

-#if !_LFN_UNICODE

-		w &= 0xFF;

-		if (IsDBCS1(w)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */

-			b = (BYTE)p[si++];			/* Get 2nd byte */

-			if (!IsDBCS2(b))

-				return FR_INVALID_NAME;	/* Reject invalid sequence */

-			w = (w << 8) + b;			/* Create a DBC */

-		}

-		w = ff_convert(w, 1);			/* Convert ANSI/OEM to Unicode */

-		if (!w) return FR_INVALID_NAME;	/* Reject invalid code */

-#endif

-		if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal characters for LFN */

-			return FR_INVALID_NAME;

-		lfn[di++] = w;					/* Store the Unicode character */

-	}

-	*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++)

-			dp->fn[i] = (i < di) ? '.' : ' ';

-		dp->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(dp->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 character */

-		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 character */

-#ifdef _EXCVT

-			w = ff_convert(w, 0);		/* Unicode -> OEM code */

-			if (w) w = ExCvt[w - 0x80];	/* Convert extended character 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 character (always false on SBCS cfg) */

-			if (i >= ni - 1) {

-				cf |= NS_LOSS | NS_LFN; i = ni; continue;

-			}

-			dp->fn[i++] = (BYTE)(w >> 8);

-		} else {						/* Single byte character */

-			if (!w || chk_chr("+,;=[]", w)) {	/* Replace illegal characters 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;

-					}

-				}

-			}

-		}

-		dp->fn[i++] = (BYTE)w;

-	}

-

-	if (dp->fn[0] == DDE) dp->fn[0] = NDDE;	/* If the first character 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 character, 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) */

-	}

-

-	dp->fn[NS] = cf;	/* SFN is created */

-

-	return FR_OK;

-

-

-#else	/* Non-LFN configuration */

-	BYTE b, c, d, *sfn;

-	UINT ni, si, i;

-	const char *p;

-

-	/* Create file name in directory form */

-	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */

-	sfn = dp->fn;

-	mem_set(sfn, ' ', 11);

-	si = i = b = 0; ni = 8;

-#if _FS_RPATH

-	if (p[si] == '.') { /* Is this a dot entry? */

-		for (;;) {

-			c = (BYTE)p[si++];

-			if (c != '.' || si >= 3) break;

-			sfn[i++] = c;

-		}

-		if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;

-		*path = &p[si];									/* Return pointer to the next segment */

-		sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;	/* Set last segment flag if end of path */

-		return FR_OK;

-	}

-#endif

-	for (;;) {

-		c = (BYTE)p[si++];

-		if (c <= ' ' || c == '/' || c == '\\') break;	/* Break on end of segment */

-		if (c == '.' || i >= ni) {

-			if (ni != 8 || c != '.') return FR_INVALID_NAME;

-			i = 8; ni = 11;

-			b <<= 2; continue;

-		}

-		if (c >= 0x80) {				/* Extended character? */

-			b |= 3;						/* Eliminate NT flag */

-#ifdef _EXCVT

-			c = ExCvt[c - 0x80];		/* To upper extended characters (SBCS cfg) */

-#else

-#if !_DF1S

-			return FR_INVALID_NAME;		/* Reject extended characters (ASCII cfg) */

-#endif

-#endif

-		}

-		if (IsDBCS1(c)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */

-			d = (BYTE)p[si++];			/* Get 2nd byte */

-			if (!IsDBCS2(d) || i >= ni - 1)	/* Reject invalid DBC */

-				return FR_INVALID_NAME;

-			sfn[i++] = c;

-			sfn[i++] = d;

-		} else {						/* Single byte code */

-			if (chk_chr("\"*+,:;<=>\?[]|\x7F", c))	/* Reject illegal chrs for SFN */

-				return FR_INVALID_NAME;

-			if (IsUpper(c)) {			/* ASCII large capital? */

-				b |= 2;

-			} else {

-				if (IsLower(c)) {		/* ASCII small capital? */

-					b |= 1; c -= 0x20;

-				}

-			}

-			sfn[i++] = c;

-		}

-	}

-	*path = &p[si];						/* Return pointer to the next segment */

-	c = (c <= ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */

-

-	if (!i) return FR_INVALID_NAME;		/* Reject nul string */

-	if (sfn[0] == DDE) sfn[0] = NDDE;	/* When first character collides with DDE, replace it with 0x05 */

-

-	if (ni == 8) b <<= 2;

-	if ((b & 0x03) == 0x01) c |= NS_EXT;	/* NT flag (Name extension has only small capital) */

-	if ((b & 0x0C) == 0x04) c |= NS_BODY;	/* NT flag (Name body has only small capital) */

-

-	sfn[NS] = c;		/* Store NT flag, File name is created */

-

-	return FR_OK;

-#endif

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Follow a file path                                                    */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT follow_path (	/* FR_OK(0): successful, !=0: error code */

-	DIR* dp,			/* 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++;	dp->sclust = 0;				/* Strip it and start from the root directory */

-	} else {								/* No heading separator */

-		dp->sclust = dp->fs->cdir;			/* Start from the current directory */

-	}

-#else

-	if (*path == '/' || *path == '\\')		/* Strip heading separator if exist */

-		path++;

-	dp->sclust = 0;							/* Always start from the root directory */

-#endif

-

-	if ((UINT)*path < ' ') {				/* Null path name is the origin directory itself */

-		res = dir_sdi(dp, 0);

-		dp->dir = 0;

-	} else {								/* Follow path */

-		for (;;) {

-			res = create_name(dp, &path);	/* Get a segment name of the path */

-			if (res != FR_OK) break;

-			res = dir_find(dp);				/* Find an object with the sagment name */

-			ns = dp->fn[NS];

-			if (res != FR_OK) {				/* Failed to find the object */

-				if (res == FR_NO_FILE) {	/* Object is not found */

-					if (_FS_RPATH && (ns & NS_DOT)) {	/* If dot entry is not exist, */

-						dp->sclust = 0; dp->dir = 0;	/* it is the root directory and stay there */

-						if (!(ns & NS_LAST)) continue;	/* Continue to follow if not last segment */

-						res = FR_OK;					/* Ended at the root directroy. Function completed. */

-					} else {							/* Could not find the object */

-						if (!(ns & NS_LAST)) res = FR_NO_PATH;	/* Adjust error code if not last segment */

-					}

-				}

-				break;

-			}

-			if (ns & NS_LAST) break;			/* Last segment matched. Function completed. */

-			dir = dp->dir;						/* Follow the sub-directory */

-			if (!(dir[DIR_Attr] & AM_DIR)) {	/* It is not a sub-directory and cannot follow */

-				res = FR_NO_PATH; break;

-			}

-			dp->sclust = ld_clust(dp->fs, dir);

-		}

-	}

-

-	return res;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Get logical drive number from path name                               */

-/*-----------------------------------------------------------------------*/

-

-static

-int get_ldnumber (		/* Returns logical drive number (-1:invalid drive) */

-	const TCHAR** path	/* Pointer to pointer to the path name */

-)

-{

-	const TCHAR *tp, *tt;

-	UINT i;

-	int vol = -1;

-

-

-	if (*path) {	/* If the pointer is not a null */

-		for (tt = *path; (UINT)*tt >= (_USE_LFN ? ' ' : '!') && *tt != ':'; tt++) ;	/* Find ':' in the path */

-		if (*tt == ':') {	/* If a ':' is exist in the path name */

-			tp = *path;

-			i = *tp++ - '0'; 

-			if (i < 10 && tp == tt) {	/* Is there a numeric drive id? */

-				if (i < _VOLUMES) {	/* If a drive id is found, get the value and strip it */

-					vol = (int)i;

-					*path = ++tt;

-				}

-			} else {	/* No numeric drive number */

-#if _STR_VOLUME_ID		/* Find string drive id */

-				static const char* const str[] = {_VOLUME_STRS};

-				const char *sp;

-				char c;

-				TCHAR tc;

-

-				i = 0; tt++;

-				do {

-					sp = str[i]; tp = *path;

-					do {	/* Compare a string drive id with path name */

-						c = *sp++; tc = *tp++;

-						if (IsLower(tc)) tc -= 0x20;

-					} while (c && (TCHAR)c == tc);

-				} while ((c || tp != tt) && ++i < _VOLUMES);	/* Repeat for each id until pattern match */

-				if (i < _VOLUMES) {	/* If a drive id is found, get the value and strip it */

-					vol = (int)i;

-					*path = tt;

-				}

-#endif

-			}

-			return vol;

-		}

-#if _FS_RPATH && _VOLUMES >= 2

-		vol = CurrVol;	/* Current drive */

-#else

-		vol = 0;		/* Drive 0 */

-#endif

-	}

-	return vol;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Load a sector and check if it is an FAT boot sector                   */

-/*-----------------------------------------------------------------------*/

-

-static

-BYTE check_fs (	/* 0:FAT boor sector, 1:Valid boor sector but not FAT, 2:Not a boot sector, 3:Disk error */

-	FATFS* fs,	/* File system object */

-	DWORD sect	/* Sector# (lba) to check if it is an FAT boot record or not */

-)

-{

-	fs->wflag = 0; fs->winsect = 0xFFFFFFFF;	/* Invaidate window */

-	if (move_window(fs, sect) != FR_OK)			/* Load boot record */

-		return 3;

-

-	if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55)	/* Check boot 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)	/* Check "FAT" string */

-		return 0;

-

-	return 1;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Find logical drive and check if the volume is mounted                 */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT find_volume (	/* FR_OK(0): successful, !=0: any error occurred */

-	FATFS** rfs,		/* Pointer to pointer to the found file system object */

-	const TCHAR** path,	/* Pointer to pointer to the path name (drive number) */

-	BYTE wmode			/* !=0: Check write protection for write access */

-)

-{

-	BYTE fmt;

-	int vol;

-	DSTATUS stat;

-	DWORD bsect, fasize, tsect, sysect, nclst, szbfat;

-	WORD nrsv;

-	FATFS *fs;

-

-

-	/* Get logical drive number from the path name */

-	*rfs = 0;

-	vol = get_ldnumber(path);

-	if (vol < 0) return FR_INVALID_DRIVE;

-

-	/* Check if the file system object is valid or not */

-	fs = FatFs[vol];					/* Get pointer to the file system object */

-	if (!fs) return FR_NOT_ENABLED;		/* Is the file system object available? */

-

-	ENTER_FF(fs);						/* Lock the volume */

-	*rfs = fs;							/* Return pointer to the file system object */

-

-	if (fs->fs_type) {					/* If the volume has been mounted */

-		stat = disk_status(fs->drv);

-		if (!(stat & STA_NOINIT)) {		/* and the physical drive is kept initialized */

-			if (!_FS_READONLY && wmode && (stat & STA_PROTECT))	/* Check write protection if needed */

-				return FR_WRITE_PROTECTED;

-			return FR_OK;				/* The file system object is valid */

-		}

-	}

-

-	/* The file system object is not valid. */

-	/* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */

-

-	fs->fs_type = 0;					/* Clear the file system object */

-	fs->drv = LD2PD(vol);				/* Bind the logical drive and a physical drive */

-	stat = disk_initialize(fs->drv);	/* Initialize the physical drive */

-	if (stat & STA_NOINIT)				/* Check if the initialization succeeded */

-		return FR_NOT_READY;			/* Failed to initialize due to no medium or hard error */

-	if (!_FS_READONLY && wmode && (stat & STA_PROTECT))	/* Check disk write protection if needed */

-		return FR_WRITE_PROTECTED;

-#if _MAX_SS != _MIN_SS						/* Get sector size (multiple sector size cfg only) */

-	if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK

-		|| SS(fs) < _MIN_SS || SS(fs) > _MAX_SS) return FR_DISK_ERR;

-#endif

-	/* Find an FAT partition on the drive. Supports only generic partitioning, FDISK and SFD. */

-	bsect = 0;

-	fmt = check_fs(fs, bsect);					/* Load sector 0 and check if it is an FAT boot sector as SFD */

-	if (fmt == 1 || (!fmt && (LD2PT(vol)))) {	/* Not an FAT boot sector or forced partition number */

-		UINT i;

-		DWORD br[4];

-

-		for (i = 0; i < 4; i++) {			/* Get partition offset */

-			BYTE *pt = fs->win+MBR_Table + i * SZ_PTE;

-			br[i] = pt[4] ? LD_DWORD(&pt[8]) : 0;

-		}

-		i = LD2PT(vol);						/* Partition number: 0:auto, 1-4:forced */

-		if (i) i--;

-		do {								/* Find an FAT volume */

-			bsect = br[i];

-			fmt = bsect ? check_fs(fs, bsect) : 2;	/* Check the partition */

-		} while (!LD2PT(vol) && fmt && ++i < 4);

-	}

-	if (fmt == 3) return FR_DISK_ERR;		/* An error occured in the disk I/O layer */

-	if (fmt) return FR_NO_FILESYSTEM;		/* No FAT volume is found */

-

-	/* An FAT volume is found. Following code initializes the file system object */

-

-	if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs))		/* (BPB_BytsPerSec must be equal to the physical sector size) */

-		return FR_NO_FILESYSTEM;

-

-	fasize = LD_WORD(fs->win+BPB_FATSz16);				/* Number of sectors per FAT */

-	if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);

-	fs->fsize = fasize;

-

-	fs->n_fats = fs->win[BPB_NumFATs];					/* Number of FAT copies */

-	if (fs->n_fats != 1 && fs->n_fats != 2)				/* (Must be 1 or 2) */

-		return FR_NO_FILESYSTEM;

-	fasize *= fs->n_fats;								/* Number of sectors for FAT area */

-

-	fs->csize = fs->win[BPB_SecPerClus];				/* Number of sectors per cluster */

-	if (!fs->csize || (fs->csize & (fs->csize - 1)))	/* (Must be power of 2) */

-		return FR_NO_FILESYSTEM;

-

-	fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);	/* Number of root directory entries */

-	if (fs->n_rootdir % (SS(fs) / SZ_DIR))				/* (Must be sector aligned) */

-		return FR_NO_FILESYSTEM;

-

-	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;					/* (Must not be 0) */

-

-	/* Determine the FAT sub type */

-	sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR);	/* 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->volbase = bsect;								/* Volume start sector */

-	fs->fatbase = bsect + nrsv; 						/* FAT start sector */

-	fs->database = bsect + sysect;						/* Data 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;						/* (Needed 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) ?					/* (Needed FAT size) */

-			fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);

-	}

-	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))	/* (BPB_FATSz must not be less than needed) */

-		return FR_NO_FILESYSTEM;

-

-#if !_FS_READONLY

-	/* Initialize cluster allocation information */

-	fs->last_clust = fs->free_clust = 0xFFFFFFFF;

-

-	/* Get fsinfo if available */

-	fs->fsi_flag = 0x80;

-#if (_FS_NOFSINFO & 3) != 3

-	if (fmt == FS_FAT32				/* Enable FSINFO only if FAT32 and BPB_FSInfo is 1 */

-		&& LD_WORD(fs->win+BPB_FSInfo) == 1

-		&& move_window(fs, bsect + 1) == FR_OK)

-	{

-		fs->fsi_flag = 0;

-		if (LD_WORD(fs->win+BS_55AA) == 0xAA55	/* Load FSINFO data if available */

-			&& LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252

-			&& LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272)

-		{

-#if (_FS_NOFSINFO & 1) == 0

-			fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);

-#endif

-#if (_FS_NOFSINFO & 2) == 0

-			fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);

-#endif

-		}

-	}

-#endif

-#endif

-	fs->fs_type = fmt;	/* FAT sub-type */

-	fs->id = ++Fsid;	/* File system mount ID */

-#if _FS_RPATH

-	fs->cdir = 0;		/* Set current directory to root */

-#endif

-#if _FS_LOCK			/* Clear file lock semaphores */

-	clear_lock(fs);

-#endif

-

-	return FR_OK;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Check if the file/directory object is valid or not                    */

-/*-----------------------------------------------------------------------*/

-

-static

-FRESULT validate (	/* FR_OK(0): The object is valid, !=0: Invalid */

-	void* obj		/* Pointer to the object FIL/DIR to check validity */

-)

-{

-	FIL *fil = (FIL*)obj;	/* Assuming offset of .fs and .id in the FIL/DIR structure is identical */

-

-

-	if (!fil || !fil->fs || !fil->fs->fs_type || fil->fs->id != fil->id)

-		return FR_INVALID_OBJECT;

-

-	ENTER_FF(fil->fs);		/* Lock file system */

-

-	if (disk_status(fil->fs->drv) & STA_NOINIT)

-		return FR_NOT_READY;

-

-	return FR_OK;

-}

-

-

-

-

-/*--------------------------------------------------------------------------

-

-   Public Functions

-

---------------------------------------------------------------------------*/

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Mount/Unmount a Logical Drive                                         */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_mount (

-	FATFS* fs,			/* Pointer to the file system object (NULL:unmount)*/

-	const TCHAR* path,	/* Logical drive number to be mounted/unmounted */

-	BYTE opt			/* 0:Do not mount (delayed mount), 1:Mount immediately */

-)

-{

-	FATFS *cfs;

-	int vol;

-	FRESULT res;

-	const TCHAR *rp = path;

-

-

-	vol = get_ldnumber(&rp);

-	if (vol < 0) return FR_INVALID_DRIVE;

-	cfs = FatFs[vol];					/* Pointer to fs object */

-

-	if (cfs) {

-#if _FS_LOCK

-		clear_lock(cfs);

-#endif

-#if _FS_REENTRANT						/* Discard sync object of the current volume */

-		if (!ff_del_syncobj(cfs->sobj)) return FR_INT_ERR;

-#endif

-		cfs->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((BYTE)vol, &fs->sobj)) return FR_INT_ERR;

-#endif

-	}

-	FatFs[vol] = fs;					/* Register new fs object */

-

-	if (!fs || opt != 1) return FR_OK;	/* Do not mount now, it will be mounted later */

-

-	res = find_volume(&fs, &path, 0);	/* Force mounted the volume */

-	LEAVE_FF(fs, res);

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Open or Create a File                                                 */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_open (

-	FIL* fp,			/* Pointer to the blank file object */

-	const TCHAR* path,	/* Pointer to the file name */

-	BYTE mode			/* Access mode and file open mode flags */

-)

-{

-	FRESULT res;

-	DIR dj;

-	BYTE *dir;

-	DEF_NAMEBUF;

-

-

-	if (!fp) return FR_INVALID_OBJECT;

-	fp->fs = 0;			/* Clear file object */

-

-	/* Get logical drive number */

-#if !_FS_READONLY

-	mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;

-	res = find_volume(&dj.fs, &path, (BYTE)(mode & ~FA_READ));

-#else

-	mode &= FA_READ;

-	res = find_volume(&dj.fs, &path, 0);

-#endif

-	if (res == FR_OK) {

-		INIT_BUF(dj);

-		res = follow_path(&dj, path);	/* Follow the file path */

-		dir = dj.dir;

-#if !_FS_READONLY	/* R/W configuration */

-		if (res == FR_OK) {

-			if (!dir)	/* Default directory itself */

-				res = FR_INVALID_NAME;

-#if _FS_LOCK

-			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_LOCK

-					res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;

-#else

-					res = dir_register(&dj);

-#endif

-				mode |= FA_CREATE_ALWAYS;		/* File is created */

-				dir = dj.dir;					/* New entry */

-			}

-			else {								/* Any object is already existing */

-				if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) {	/* Cannot overwrite it (R/O or DIR) */

-					res = FR_DENIED;

-				} else {

-					if (mode & FA_CREATE_NEW)	/* Cannot create as new file */

-						res = FR_EXIST;

-				}

-			}

-			if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) {	/* Truncate it if overwrite mode */

-				dw = get_fattime();				/* Created time */

-				ST_DWORD(dir+DIR_CrtTime, dw);

-				dir[DIR_Attr] = 0;				/* Reset attribute */

-				ST_DWORD(dir+DIR_FileSize, 0);	/* size = 0 */

-				cl = ld_clust(dj.fs, dir);		/* Get start cluster */

-				st_clust(dir, 0);				/* cluster = 0 */

-				dj.fs->wflag = 1;

-				if (cl) {						/* Remove the cluster chain if exist */

-					dw = dj.fs->winsect;

-					res = remove_chain(dj.fs, cl);

-					if (res == FR_OK) {

-						dj.fs->last_clust = cl - 1;	/* Reuse the cluster hole */

-						res = move_window(dj.fs, dw);

-					}

-				}

-			}

-		}

-		else {	/* Open an existing file */

-			if (res == FR_OK) {					/* Follow succeeded */

-				if (dir[DIR_Attr] & AM_DIR) {	/* It is a directory */

-					res = FR_NO_FILE;

-				} else {

-					if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */

-						res = FR_DENIED;

-				}

-			}

-		}

-		if (res == FR_OK) {

-			if (mode & FA_CREATE_ALWAYS)		/* Set file change flag if created or overwritten */

-				mode |= FA__WRITTEN;

-			fp->dir_sect = dj.fs->winsect;		/* Pointer to the directory entry */

-			fp->dir_ptr = dir;

-#if _FS_LOCK

-			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 */

-			dir = dj.dir;

-			if (!dir) {						/* Current directory 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->err = 0;						/* Clear error flag */

-			fp->sclust = ld_clust(dj.fs, dir);	/* File start cluster */

-			fp->fsize = LD_DWORD(dir+DIR_FileSize);	/* File size */

-			fp->fptr = 0;						/* File pointer */

-			fp->dsect = 0;

-#if _USE_FASTSEEK

-			fp->cltbl = 0;						/* Normal seek mode */

-#endif

-			fp->fs = dj.fs;	 					/* Validate file object */

-			fp->id = fp->fs->id;

-		}

-	}

-

-	LEAVE_FF(dj.fs, res);

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Read File                                                             */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_read (

-	FIL* fp, 		/* Pointer to the file object */

-	void* buff,		/* Pointer to data buffer */

-	UINT btr,		/* Number of bytes to read */

-	UINT* br		/* Pointer to number of bytes read */

-)

-{

-	FRESULT res;

-	DWORD clst, sect, remain;

-	UINT rcnt, cc;

-	BYTE csect, *rbuff = (BYTE*)buff;

-

-

-	*br = 0;	/* Clear read byte counter */

-

-	res = validate(fp);							/* Check validity */

-	if (res != FR_OK) LEAVE_FF(fp->fs, res);

-	if (fp->err)								/* Check error */

-		LEAVE_FF(fp->fs, (FRESULT)fp->err);

-	if (!(fp->flag & FA_READ)) 					/* Check access mode */

-		LEAVE_FF(fp->fs, FR_DENIED);

-	remain = fp->fsize - fp->fptr;

-	if (btr > remain) btr = (UINT)remain;		/* Truncate btr by remaining bytes */

-

-	for ( ;  btr;								/* Repeat until all data read */

-		rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {

-		if ((fp->fptr % SS(fp->fs)) == 0) {		/* On the sector boundary? */

-			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */

-			if (!csect) {						/* On the cluster boundary? */

-				if (fp->fptr == 0) {			/* On the top of the file? */

-					clst = fp->sclust;			/* Follow from the origin */

-				} else {						/* Middle or end of the file */

-#if _USE_FASTSEEK

-					if (fp->cltbl)

-						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */

-					else

-#endif

-						clst = get_fat(fp->fs, fp->clust);	/* Follow cluster chain on the FAT */

-				}

-				if (clst < 2) ABORT(fp->fs, FR_INT_ERR);

-				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);

-				fp->clust = clst;				/* Update current cluster */

-			}

-			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */

-			if (!sect) ABORT(fp->fs, FR_INT_ERR);

-			sect += csect;

-			cc = btr / SS(fp->fs);				/* When remaining bytes >= sector size, */

-			if (cc) {							/* Read maximum contiguous sectors directly */

-				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */

-					cc = fp->fs->csize - csect;

-				if (disk_read(fp->fs->drv, rbuff, sect, cc))

-					ABORT(fp->fs, FR_DISK_ERR);

-#if !_FS_READONLY && _FS_MINIMIZE <= 2			/* Replace one of the read sectors with cached data if it contains a dirty sector */

-#if _FS_TINY

-				if (fp->fs->wflag && fp->fs->winsect - sect < cc)

-					mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));

-#else

-				if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)

-					mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));

-#endif

-#endif

-				rcnt = SS(fp->fs) * cc;			/* Number of bytes transferred */

-				continue;

-			}

-#if !_FS_TINY

-			if (fp->dsect != sect) {			/* Load data sector if not in cache */

-#if !_FS_READONLY

-				if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */

-					if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1))

-						ABORT(fp->fs, FR_DISK_ERR);

-					fp->flag &= ~FA__DIRTY;

-				}

-#endif

-				if (disk_read(fp->fs->drv, fp->buf, sect, 1))	/* Fill sector cache */

-					ABORT(fp->fs, FR_DISK_ERR);

-			}

-#endif

-			fp->dsect = sect;

-		}

-		rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));	/* Get partial sector data from sector buffer */

-		if (rcnt > btr) rcnt = btr;

-#if _FS_TINY

-		if (move_window(fp->fs, fp->dsect))		/* Move sector window */

-			ABORT(fp->fs, FR_DISK_ERR);

-		mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */

-#else

-		mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */

-#endif

-	}

-

-	LEAVE_FF(fp->fs, FR_OK);

-}

-

-

-

-

-#if !_FS_READONLY

-/*-----------------------------------------------------------------------*/

-/* Write File                                                            */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_write (

-	FIL* fp,			/* Pointer to the file object */

-	const void *buff,	/* Pointer to the data to be written */

-	UINT btw,			/* Number of bytes to write */

-	UINT* bw			/* Pointer to number of bytes written */

-)

-{

-	FRESULT res;

-	DWORD clst, sect;

-	UINT wcnt, cc;

-	const BYTE *wbuff = (const BYTE*)buff;

-	BYTE csect;

-

-

-	*bw = 0;	/* Clear write byte counter */

-

-	res = validate(fp);						/* Check validity */

-	if (res != FR_OK) LEAVE_FF(fp->fs, res);

-	if (fp->err)							/* Check error */

-		LEAVE_FF(fp->fs, (FRESULT)fp->err);

-	if (!(fp->flag & FA_WRITE))				/* Check access mode */

-		LEAVE_FF(fp->fs, FR_DENIED);

-	if (fp->fptr + btw < fp->fptr) btw = 0;	/* File size cannot reach 4GB */

-

-	for ( ;  btw;							/* Repeat until all data written */

-		wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {

-		if ((fp->fptr % SS(fp->fs)) == 0) {	/* On the sector boundary? */

-			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */

-			if (!csect) {					/* On the cluster boundary? */

-				if (fp->fptr == 0) {		/* On the top of the file? */

-					clst = fp->sclust;		/* Follow from the origin */

-					if (clst == 0)			/* When no cluster is allocated, */

-						clst = create_chain(fp->fs, 0);	/* Create a new cluster chain */

-				} else {					/* Middle or end of the file */

-#if _USE_FASTSEEK

-					if (fp->cltbl)

-						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */

-					else

-#endif

-						clst = create_chain(fp->fs, fp->clust);	/* Follow or stretch cluster chain on the FAT */

-				}

-				if (clst == 0) break;		/* Could not allocate a new cluster (disk full) */

-				if (clst == 1) ABORT(fp->fs, FR_INT_ERR);

-				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);

-				fp->clust = clst;			/* Update current cluster */

-				if (fp->sclust == 0) fp->sclust = clst;	/* Set start cluster if the first write */

-			}

-#if _FS_TINY

-			if (fp->fs->winsect == fp->dsect && sync_window(fp->fs))	/* Write-back sector cache */

-				ABORT(fp->fs, FR_DISK_ERR);

-#else

-			if (fp->flag & FA__DIRTY) {		/* Write-back sector cache */

-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1))

-					ABORT(fp->fs, FR_DISK_ERR);

-				fp->flag &= ~FA__DIRTY;

-			}

-#endif

-			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */

-			if (!sect) ABORT(fp->fs, FR_INT_ERR);

-			sect += csect;

-			cc = btw / SS(fp->fs);			/* When remaining bytes >= sector size, */

-			if (cc) {						/* Write maximum contiguous sectors directly */

-				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */

-					cc = fp->fs->csize - csect;

-				if (disk_write(fp->fs->drv, wbuff, sect, cc))

-					ABORT(fp->fs, FR_DISK_ERR);

-#if _FS_MINIMIZE <= 2

-#if _FS_TINY

-				if (fp->fs->winsect - sect < cc) {	/* Refill sector cache if it gets invalidated by the direct write */

-					mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));

-					fp->fs->wflag = 0;

-				}

-#else

-				if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */

-					mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));

-					fp->flag &= ~FA__DIRTY;

-				}

-#endif

-#endif

-				wcnt = SS(fp->fs) * cc;		/* Number of bytes transferred */

-				continue;

-			}

-#if _FS_TINY

-			if (fp->fptr >= fp->fsize) {	/* Avoid silly cache filling at growing edge */

-				if (sync_window(fp->fs)) ABORT(fp->fs, FR_DISK_ERR);

-				fp->fs->winsect = sect;

-			}

-#else

-			if (fp->dsect != sect) {		/* Fill sector cache with file data */

-				if (fp->fptr < fp->fsize &&

-					disk_read(fp->fs->drv, fp->buf, sect, 1))

-						ABORT(fp->fs, FR_DISK_ERR);

-			}

-#endif

-			fp->dsect = sect;

-		}

-		wcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */

-		if (wcnt > btw) wcnt = btw;

-#if _FS_TINY

-		if (move_window(fp->fs, fp->dsect))	/* Move sector window */

-			ABORT(fp->fs, FR_DISK_ERR);

-		mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */

-		fp->fs->wflag = 1;

-#else

-		mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */

-		fp->flag |= FA__DIRTY;

-#endif

-	}

-

-	if (fp->fptr > fp->fsize) fp->fsize = fp->fptr;	/* Update file size if needed */

-	fp->flag |= FA__WRITTEN;						/* Set file change flag */

-

-	LEAVE_FF(fp->fs, FR_OK);

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Synchronize the File                                                  */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_sync (

-	FIL* fp		/* Pointer to the file object */

-)

-{

-	FRESULT res;

-	DWORD tm;

-	BYTE *dir;

-

-

-	res = validate(fp);					/* Check validity of the object */

-	if (res == FR_OK) {

-		if (fp->flag & FA__WRITTEN) {	/* Has the file been written? */

-			/* Write-back dirty buffer */

-#if !_FS_TINY

-			if (fp->flag & FA__DIRTY) {

-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1))

-					LEAVE_FF(fp->fs, FR_DISK_ERR);

-				fp->flag &= ~FA__DIRTY;

-			}

-#endif

-			/* Update the directory entry */

-			res = move_window(fp->fs, fp->dir_sect);

-			if (res == FR_OK) {

-				dir = fp->dir_ptr;

-				dir[DIR_Attr] |= AM_ARC;					/* Set archive bit */

-				ST_DWORD(dir+DIR_FileSize, fp->fsize);		/* Update file size */

-				st_clust(dir, fp->sclust);					/* Update start cluster */

-				tm = get_fattime();							/* Update updated time */

-				ST_DWORD(dir+DIR_WrtTime, tm);

-				ST_WORD(dir+DIR_LstAccDate, 0);

-				fp->flag &= ~FA__WRITTEN;

-				fp->fs->wflag = 1;

-				res = sync_fs(fp->fs);

-			}

-		}

-	}

-

-	LEAVE_FF(fp->fs, res);

-}

-

-#endif /* !_FS_READONLY */

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Close File                                                            */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_close (

-	FIL *fp		/* Pointer to the file object to be closed */

-)

-{

-	FRESULT res;

-

-

-#if !_FS_READONLY

-	res = f_sync(fp);					/* Flush cached data */

-	if (res == FR_OK)

-#endif

-	{

-		res = validate(fp);				/* Lock volume */

-		if (res == FR_OK) {

-#if _FS_REENTRANT

-			FATFS *fs = fp->fs;

-#endif

-#if _FS_LOCK

-			res = dec_lock(fp->lockid);	/* Decrement file open counter */

-			if (res == FR_OK)

-#endif

-				fp->fs = 0;				/* Invalidate file object */

-#if _FS_REENTRANT

-			unlock_fs(fs, FR_OK);		/* Unlock volume */

-#endif

-		}

-	}

-	return res;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Change Current Directory or Current Drive, Get Current Directory      */

-/*-----------------------------------------------------------------------*/

-

-#if _FS_RPATH >= 1

-#if _VOLUMES >= 2

-FRESULT f_chdrive (

-	const TCHAR* path		/* Drive number */

-)

-{

-	int vol;

-

-

-	vol = get_ldnumber(&path);

-	if (vol < 0) return FR_INVALID_DRIVE;

-

-	CurrVol = (BYTE)vol;

-

-	return FR_OK;

-}

-#endif

-

-

-FRESULT f_chdir (

-	const TCHAR* path	/* Pointer to the directory path */

-)

-{

-	FRESULT res;

-	DIR dj;

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 0);

-	if (res == FR_OK) {

-		INIT_BUF(dj);

-		res = follow_path(&dj, path);		/* Follow the path */

-		FREE_BUF();

-		if (res == FR_OK) {					/* Follow completed */

-			if (!dj.dir) {

-				dj.fs->cdir = dj.sclust;	/* Start directory itself */

-			} else {

-				if (dj.dir[DIR_Attr] & AM_DIR)	/* Reached to the directory */

-					dj.fs->cdir = ld_clust(dj.fs, dj.dir);

-				else

-					res = FR_NO_PATH;		/* Reached but a file */

-			}

-		}

-		if (res == FR_NO_FILE) res = FR_NO_PATH;

-	}

-

-	LEAVE_FF(dj.fs, res);

-}

-

-

-#if _FS_RPATH >= 2

-FRESULT f_getcwd (

-	TCHAR* buff,	/* Pointer to the directory path */

-	UINT len		/* Size of path */

-)

-{

-	FRESULT res;

-	DIR dj;

-	UINT i, n;

-	DWORD ccl;

-	TCHAR *tp;

-	FILINFO fno;

-	DEF_NAMEBUF;

-

-

-	*buff = 0;

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, (const TCHAR**)&buff, 0);	/* Get current volume */

-	if (res == FR_OK) {

-		INIT_BUF(dj);

-		i = len;			/* Bottom of buffer (directory stack base) */

-		dj.sclust = dj.fs->cdir;			/* Start to follow upper directory from current directory */

-		while ((ccl = dj.sclust) != 0) {	/* Repeat while current directory is a sub-directory */

-			res = dir_sdi(&dj, 1);			/* Get parent directory */

-			if (res != FR_OK) break;

-			res = dir_read(&dj, 0);

-			if (res != FR_OK) break;

-			dj.sclust = ld_clust(dj.fs, dj.dir);	/* Goto parent directory */

-			res = dir_sdi(&dj, 0);

-			if (res != FR_OK) break;

-			do {							/* Find the entry links to the child directory */

-				res = dir_read(&dj, 0);

-				if (res != FR_OK) break;

-				if (ccl == ld_clust(dj.fs, dj.dir)) break;	/* Found the entry */

-				res = dir_next(&dj, 0);	

-			} while (res == FR_OK);

-			if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */

-			if (res != FR_OK) break;

-#if _USE_LFN

-			fno.lfname = buff;

-			fno.lfsize = i;

-#endif

-			get_fileinfo(&dj, &fno);		/* Get the directory name and push it to the buffer */

-			tp = fno.fname;

-#if _USE_LFN

-			if (*buff) tp = buff;

-#endif

-			for (n = 0; tp[n]; n++) ;

-			if (i < n + 3) {

-				res = FR_NOT_ENOUGH_CORE; break;

-			}

-			while (n) buff[--i] = tp[--n];

-			buff[--i] = '/';

-		}

-		tp = buff;

-		if (res == FR_OK) {

-#if _VOLUMES >= 2

-			*tp++ = '0' + CurrVol;			/* Put drive number */

-			*tp++ = ':';

-#endif

-			if (i == len) {					/* Root-directory */

-				*tp++ = '/';

-			} else {						/* Sub-directroy */

-				do		/* Add stacked path str */

-					*tp++ = buff[i++];

-				while (i < len);

-			}

-		}

-		*tp = 0;

-		FREE_BUF();

-	}

-

-	LEAVE_FF(dj.fs, res);

-}

-#endif /* _FS_RPATH >= 2 */

-#endif /* _FS_RPATH >= 1 */

-

-

-

-#if _FS_MINIMIZE <= 2

-/*-----------------------------------------------------------------------*/

-/* Seek File R/W Pointer                                                 */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_lseek (

-	FIL* fp,		/* Pointer to the file object */

-	DWORD ofs		/* File pointer from top of file */

-)

-{

-	FRESULT res;

-

-

-	res = validate(fp);					/* Check validity of the object */

-	if (res != FR_OK) LEAVE_FF(fp->fs, res);

-	if (fp->err)						/* Check error */

-		LEAVE_FF(fp->fs, (FRESULT)fp->err);

-

-#if _USE_FASTSEEK

-	if (fp->cltbl) {	/* Fast seek */

-		DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;

-

-		if (ofs == CREATE_LINKMAP) {	/* Create CLMT */

-			tbl = fp->cltbl;

-			tlen = *tbl++; ulen = 2;	/* Given table size and required table size */

-			cl = fp->sclust;			/* Top of the chain */

-			if (cl) {

-				do {

-					/* Get a fragment */

-					tcl = cl; ncl = 0; ulen += 2;	/* Top, length and used items */

-					do {

-						pcl = cl; ncl++;

-						cl = get_fat(fp->fs, cl);

-						if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);

-						if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);

-					} while (cl == pcl + 1);

-					if (ulen <= tlen) {		/* Store the length and top of the fragment */

-						*tbl++ = ncl; *tbl++ = tcl;

-					}

-				} while (cl < fp->fs->n_fatent);	/* Repeat until end of chain */

-			}

-			*fp->cltbl = ulen;	/* Number of items used */

-			if (ulen <= tlen)

-				*tbl = 0;		/* Terminate table */

-			else

-				res = FR_NOT_ENOUGH_CORE;	/* Given table size is smaller than required */

-

-		} else {						/* Fast seek */

-			if (ofs > fp->fsize)		/* Clip offset at the file size */

-				ofs = fp->fsize;

-			fp->fptr = ofs;				/* Set file pointer */

-			if (ofs) {

-				fp->clust = clmt_clust(fp, ofs - 1);

-				dsc = clust2sect(fp->fs, fp->clust);

-				if (!dsc) ABORT(fp->fs, FR_INT_ERR);

-				dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);

-				if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {	/* Refill sector cache if needed */

-#if !_FS_TINY

-#if !_FS_READONLY

-					if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */

-						if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1))

-							ABORT(fp->fs, FR_DISK_ERR);

-						fp->flag &= ~FA__DIRTY;

-					}

-#endif

-					if (disk_read(fp->fs->drv, fp->buf, dsc, 1))	/* Load current sector */

-						ABORT(fp->fs, FR_DISK_ERR);

-#endif

-					fp->dsect = dsc;

-				}

-			}

-		}

-	} else

-#endif

-

-	/* Normal Seek */

-	{

-		DWORD clst, bcs, nsect, ifptr;

-

-		if (ofs > fp->fsize					/* In read-only mode, clip offset with the file size */

-#if !_FS_READONLY

-			 && !(fp->flag & FA_WRITE)

-#endif

-			) ofs = fp->fsize;

-

-		ifptr = fp->fptr;

-		fp->fptr = nsect = 0;

-		if (ofs) {

-			bcs = (DWORD)fp->fs->csize * SS(fp->fs);	/* Cluster size (byte) */

-			if (ifptr > 0 &&

-				(ofs - 1) / bcs >= (ifptr - 1) / bcs) {	/* When seek to same or following cluster, */

-				fp->fptr = (ifptr - 1) & ~(bcs - 1);	/* start from the current cluster */

-				ofs -= fp->fptr;

-				clst = fp->clust;

-			} else {									/* When seek to back cluster, */

-				clst = fp->sclust;						/* start from the first cluster */

-#if !_FS_READONLY

-				if (clst == 0) {						/* If no cluster chain, create a new chain */

-					clst = create_chain(fp->fs, 0);

-					if (clst == 1) ABORT(fp->fs, FR_INT_ERR);

-					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);

-					fp->sclust = clst;

-				}

-#endif

-				fp->clust = clst;

-			}

-			if (clst != 0) {

-				while (ofs > bcs) {						/* Cluster following loop */

-#if !_FS_READONLY

-					if (fp->flag & FA_WRITE) {			/* Check if in write mode or not */

-						clst = create_chain(fp->fs, clst);	/* Force stretch if in write mode */

-						if (clst == 0) {				/* When disk gets full, clip file size */

-							ofs = bcs; break;

-						}

-					} else

-#endif

-						clst = get_fat(fp->fs, clst);	/* Follow cluster chain if not in write mode */

-					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);

-					if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);

-					fp->clust = clst;

-					fp->fptr += bcs;

-					ofs -= bcs;

-				}

-				fp->fptr += ofs;

-				if (ofs % SS(fp->fs)) {

-					nsect = clust2sect(fp->fs, clst);	/* Current sector */

-					if (!nsect) ABORT(fp->fs, FR_INT_ERR);

-					nsect += ofs / SS(fp->fs);

-				}

-			}

-		}

-		if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {	/* Fill sector cache if needed */

-#if !_FS_TINY

-#if !_FS_READONLY

-			if (fp->flag & FA__DIRTY) {			/* Write-back dirty sector cache */

-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1))

-					ABORT(fp->fs, FR_DISK_ERR);

-				fp->flag &= ~FA__DIRTY;

-			}

-#endif

-			if (disk_read(fp->fs->drv, fp->buf, nsect, 1))	/* Fill sector cache */

-				ABORT(fp->fs, FR_DISK_ERR);

-#endif

-			fp->dsect = nsect;

-		}

-#if !_FS_READONLY

-		if (fp->fptr > fp->fsize) {			/* Set file change flag if the file size is extended */

-			fp->fsize = fp->fptr;

-			fp->flag |= FA__WRITTEN;

-		}

-#endif

-	}

-

-	LEAVE_FF(fp->fs, res);

-}

-

-

-

-#if _FS_MINIMIZE <= 1

-/*-----------------------------------------------------------------------*/

-/* Create a Directory Object                                             */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_opendir (

-	DIR* dp,			/* Pointer to directory object to create */

-	const TCHAR* path	/* Pointer to the directory path */

-)

-{

-	FRESULT res;

-	FATFS* fs;

-	DEF_NAMEBUF;

-

-

-	if (!dp) return FR_INVALID_OBJECT;

-

-	/* Get logical drive number */

-	res = find_volume(&fs, &path, 0);

-	if (res == FR_OK) {

-		dp->fs = fs;

-		INIT_BUF(*dp);

-		res = follow_path(dp, path);			/* Follow the path to the directory */

-		FREE_BUF();

-		if (res == FR_OK) {						/* Follow completed */

-			if (dp->dir) {						/* It is not the origin directory itself */

-				if (dp->dir[DIR_Attr] & AM_DIR)	/* The object is a sub directory */

-					dp->sclust = ld_clust(fs, dp->dir);

-				else							/* The object is a file */

-					res = FR_NO_PATH;

-			}

-			if (res == FR_OK) {

-				dp->id = fs->id;

-				res = dir_sdi(dp, 0);			/* Rewind directory */

-#if _FS_LOCK

-				if (res == FR_OK) {

-					if (dp->sclust) {

-						dp->lockid = inc_lock(dp, 0);	/* Lock the sub directory */

-						if (!dp->lockid)

-							res = FR_TOO_MANY_OPEN_FILES;

-					} else {

-						dp->lockid = 0;	/* Root directory need not to be locked */

-					}

-				}

-#endif

-			}

-		}

-		if (res == FR_NO_FILE) res = FR_NO_PATH;

-	}

-	if (res != FR_OK) dp->fs = 0;		/* Invalidate the directory object if function faild */

-

-	LEAVE_FF(fs, res);

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Close Directory                                                       */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_closedir (

-	DIR *dp		/* Pointer to the directory object to be closed */

-)

-{

-	FRESULT res;

-

-

-	res = validate(dp);

-	if (res == FR_OK) {

-#if _FS_REENTRANT

-		FATFS *fs = dp->fs;

-#endif

-#if _FS_LOCK

-		if (dp->lockid)				/* Decrement sub-directory open counter */

-			res = dec_lock(dp->lockid);

-		if (res == FR_OK)

-#endif

-			dp->fs = 0;				/* Invalidate directory object */

-#if _FS_REENTRANT

-		unlock_fs(fs, FR_OK);		/* Unlock volume */

-#endif

-	}

-	return res;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Read Directory Entries in Sequence                                    */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_readdir (

-	DIR* dp,			/* Pointer to the open directory object */

-	FILINFO* fno		/* Pointer to file information to return */

-)

-{

-	FRESULT res;

-	DEF_NAMEBUF;

-

-

-	res = validate(dp);						/* Check validity of the object */

-	if (res == FR_OK) {

-		if (!fno) {

-			res = dir_sdi(dp, 0);			/* Rewind the directory object */

-		} else {

-			INIT_BUF(*dp);

-			res = dir_read(dp, 0);			/* Read an item */

-			if (res == FR_NO_FILE) {		/* Reached end of directory */

-				dp->sect = 0;

-				res = FR_OK;

-			}

-			if (res == FR_OK) {				/* A valid entry is found */

-				get_fileinfo(dp, fno);		/* Get the object information */

-				res = dir_next(dp, 0);		/* Increment index for next */

-				if (res == FR_NO_FILE) {

-					dp->sect = 0;

-					res = FR_OK;

-				}

-			}

-			FREE_BUF();

-		}

-	}

-

-	LEAVE_FF(dp->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;

-	DIR dj;

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 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 */

-				if (fno) get_fileinfo(&dj, fno);

-			} else {			/* It is root directory */

-				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,	/* Path name of the logical drive number */

-	DWORD* nclst,		/* Pointer to a variable to return number of free clusters */

-	FATFS** fatfs		/* Pointer to return pointer to corresponding file system object */

-)

-{

-	FRESULT res;

-	FATFS *fs;

-	DWORD n, clst, sect, stat;

-	UINT i;

-	BYTE fat, *p;

-

-

-	/* Get logical drive number */

-	res = find_volume(fatfs, &path, 0);

-	fs = *fatfs;

-	if (res == FR_OK) {

-		/* If free_clust is valid, return it without full cluster scan */

-		if (fs->free_clust <= fs->n_fatent - 2) {

-			*nclst = fs->free_clust;

-		} else {

-			/* Get number of free clusters */

-			fat = fs->fs_type;

-			n = 0;

-			if (fat == FS_FAT12) {

-				clst = 2;

-				do {

-					stat = get_fat(fs, clst);

-					if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }

-					if (stat == 1) { res = FR_INT_ERR; break; }

-					if (stat == 0) n++;

-				} while (++clst < fs->n_fatent);

-			} else {

-				clst = fs->n_fatent;

-				sect = fs->fatbase;

-				i = 0; p = 0;

-				do {

-					if (!i) {

-						res = move_window(fs, sect++);

-						if (res != FR_OK) break;

-						p = fs->win;

-						i = SS(fs);

-					}

-					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);

-			}

-			fs->free_clust = n;

-			fs->fsi_flag |= 1;

-			*nclst = n;

-		}

-	}

-	LEAVE_FF(fs, res);

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Truncate File                                                         */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_truncate (

-	FIL* fp		/* Pointer to the file object */

-)

-{

-	FRESULT res;

-	DWORD ncl;

-

-

-	res = validate(fp);						/* Check validity of the object */

-	if (res == FR_OK) {

-		if (fp->err) {						/* Check error */

-			res = (FRESULT)fp->err;

-		} else {

-			if (!(fp->flag & FA_WRITE))		/* Check access mode */

-				res = FR_DENIED;

-		}

-	}

-	if (res == FR_OK) {

-		if (fp->fsize > fp->fptr) {

-			fp->fsize = fp->fptr;	/* Set file size to current R/W point */

-			fp->flag |= FA__WRITTEN;

-			if (fp->fptr == 0) {	/* When set file size to zero, remove entire cluster chain */

-				res = remove_chain(fp->fs, fp->sclust);

-				fp->sclust = 0;

-			} else {				/* When truncate a part of the file, remove remaining clusters */

-				ncl = get_fat(fp->fs, fp->clust);

-				res = FR_OK;

-				if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;

-				if (ncl == 1) res = FR_INT_ERR;

-				if (res == FR_OK && ncl < fp->fs->n_fatent) {

-					res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);

-					if (res == FR_OK) res = remove_chain(fp->fs, ncl);

-				}

-			}

-#if !_FS_TINY

-			if (res == FR_OK && (fp->flag & FA__DIRTY)) {

-				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1))

-					res = FR_DISK_ERR;

-				else

-					fp->flag &= ~FA__DIRTY;

-			}

-#endif

-		}

-		if (res != FR_OK) fp->err = (FRESULT)res;

-	}

-

-	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;

-	DIR dj, sdj;

-	BYTE *dir;

-	DWORD dclst;

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 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_LOCK

-		if (res == FR_OK) res = chk_lock(&dj, 2);	/* Cannot remove open file */

-#endif

-		if (res == FR_OK) {					/* The object is accessible */

-			dir = dj.dir;

-			if (!dir) {

-				res = FR_INVALID_NAME;		/* Cannot remove the start directory */

-			} else {

-				if (dir[DIR_Attr] & AM_RDO)

-					res = FR_DENIED;		/* Cannot remove R/O object */

-			}

-			dclst = ld_clust(dj.fs, dir);

-			if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) {	/* Is it a sub-dir? */

-				if (dclst < 2) {

-					res = FR_INT_ERR;

-				} else {

-					mem_cpy(&sdj, &dj, sizeof (DIR));	/* Check if the sub-directory is empty or not */

-					sdj.sclust = dclst;

-					res = dir_sdi(&sdj, 2);		/* Exclude dot entries */

-					if (res == FR_OK) {

-						res = dir_read(&sdj, 0);	/* Read an item */

-						if (res == FR_OK		/* Not empty directory */

-#if _FS_RPATH

-						|| dclst == dj.fs->cdir	/* Current directory */

-#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_fs(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;

-	DIR dj;

-	BYTE *dir, n;

-	DWORD dsc, dcl, pcl, tm = get_fattime();

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 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 = sync_window(dj.fs);

-			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, ' ', 11);	/* Create "." entry */

-				dir[DIR_Name] = '.';

-				dir[DIR_Attr] = AM_DIR;

-				ST_DWORD(dir+DIR_WrtTime, tm);

-				st_clust(dir, dcl);

-				mem_cpy(dir+SZ_DIR, dir, SZ_DIR); 	/* Create ".." entry */

-				dir[SZ_DIR+1] = '.'; pcl = dj.sclust;

-				if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)

-					pcl = 0;

-				st_clust(dir+SZ_DIR, pcl);

-				for (n = dj.fs->csize; n; n--) {	/* Write dot entries and clear following sectors */

-					dj.fs->winsect = dsc++;

-					dj.fs->wflag = 1;

-					res = sync_window(dj.fs);

-					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, tm);		/* Created time */

-				st_clust(dir, dcl);					/* Table start cluster */

-				dj.fs->wflag = 1;

-				res = sync_fs(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;

-	DIR dj;

-	BYTE *dir;

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 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_fs(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;

-	DIR dj;

-	BYTE *dir;

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 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_fs(dj.fs);

-			}

-		}

-	}

-

-	LEAVE_FF(dj.fs, res);

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Rename File/Directory                                                 */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_rename (

-	const TCHAR* path_old,	/* Pointer to the object to be renamed */

-	const TCHAR* path_new	/* Pointer to the new name */

-)

-{

-	FRESULT res;

-	DIR djo, djn;

-	BYTE buf[21], *dir;

-	DWORD dw;

-	DEF_NAMEBUF;

-

-

-	/* Get logical drive number of the source object */

-	res = find_volume(&djo.fs, &path_old, 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_LOCK

-		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 name */

-				mem_cpy(&djn, &djo, sizeof (DIR));		/* Duplicate the directory object */

-				if (get_ldnumber(&path_new) >= 0)		/* Snip drive number off and ignore it */

-					res = follow_path(&djn, path_new);	/* and check if new object is exist */

-				else

-					res = FR_INVALID_DRIVE;

-				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 can cause a cross-link */

-					res = dir_register(&djn);			/* Register the new entry */

-					if (res == FR_OK) {

-						dir = djn.dir;					/* Copy object information except 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(djo.fs, ld_clust(djo.fs, dir));

-							if (!dw) {

-								res = FR_INT_ERR;

-							} else {

-								res = move_window(djo.fs, dw);

-								dir = djo.fs->win+SZ_DIR;	/* .. entry */

-								if (res == FR_OK && dir[1] == '.') {

-									dw = (djo.fs->fs_type == FS_FAT32 && djn.sclust == djo.fs->dirbase) ? 0 : djn.sclust;

-									st_clust(dir, dw);

-									djo.fs->wflag = 1;

-								}

-							}

-						}

-						if (res == FR_OK) {

-							res = dir_remove(&djo);		/* Remove old entry */

-							if (res == FR_OK)

-								res = sync_fs(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 */

-

-

-

-#if _USE_LABEL

-/*-----------------------------------------------------------------------*/

-/* Get volume label                                                      */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_getlabel (

-	const TCHAR* path,	/* Path name of the logical drive number */

-	TCHAR* label,		/* Pointer to a buffer to return the volume label */

-	DWORD* vsn			/* Pointer to a variable to return the volume serial number */

-)

-{

-	FRESULT res;

-	DIR dj;

-	UINT i, j;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &path, 0);

-

-	/* Get volume label */

-	if (res == FR_OK && label) {

-		dj.sclust = 0;					/* Open root directory */

-		res = dir_sdi(&dj, 0);

-		if (res == FR_OK) {

-			res = dir_read(&dj, 1);		/* Get an entry with AM_VOL */

-			if (res == FR_OK) {			/* A volume label is exist */

-#if _USE_LFN && _LFN_UNICODE

-				WCHAR w;

-				i = j = 0;

-				do {

-					w = (i < 11) ? dj.dir[i++] : ' ';

-					if (IsDBCS1(w) && i < 11 && IsDBCS2(dj.dir[i]))

-						w = w << 8 | dj.dir[i++];

-					label[j++] = ff_convert(w, 1);	/* OEM -> Unicode */

-				} while (j < 11);

-#else

-				mem_cpy(label, dj.dir, 11);

-#endif

-				j = 11;

-				do {

-					label[j] = 0;

-					if (!j) break;

-				} while (label[--j] == ' ');

-			}

-			if (res == FR_NO_FILE) {	/* No label, return nul string */

-				label[0] = 0;

-				res = FR_OK;

-			}

-		}

-	}

-

-	/* Get volume serial number */

-	if (res == FR_OK && vsn) {

-		res = move_window(dj.fs, dj.fs->volbase);

-		if (res == FR_OK) {

-			i = dj.fs->fs_type == FS_FAT32 ? BS_VolID32 : BS_VolID;

-			*vsn = LD_DWORD(&dj.fs->win[i]);

-		}

-	}

-

-	LEAVE_FF(dj.fs, res);

-}

-

-

-

-#if !_FS_READONLY

-/*-----------------------------------------------------------------------*/

-/* Set volume label                                                      */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_setlabel (

-	const TCHAR* label	/* Pointer to the volume label to set */

-)

-{

-	FRESULT res;

-	DIR dj;

-	BYTE vn[11];

-	UINT i, j, sl;

-	WCHAR w;

-	DWORD tm;

-

-

-	/* Get logical drive number */

-	res = find_volume(&dj.fs, &label, 1);

-	if (res) LEAVE_FF(dj.fs, res);

-

-	/* Create a volume label in directory form */

-	vn[0] = 0;

-	for (sl = 0; label[sl]; sl++) ;				/* Get name length */

-	for ( ; sl && label[sl-1] == ' '; sl--) ;	/* Remove trailing spaces */

-	if (sl) {	/* Create volume label in directory form */

-		i = j = 0;

-		do {

-#if _USE_LFN && _LFN_UNICODE

-			w = ff_convert(ff_wtoupper(label[i++]), 0);

-#else

-			w = (BYTE)label[i++];

-			if (IsDBCS1(w))

-				w = (j < 10 && i < sl && IsDBCS2(label[i])) ? w << 8 | (BYTE)label[i++] : 0;

-#if _USE_LFN

-			w = ff_convert(ff_wtoupper(ff_convert(w, 1)), 0);

-#else

-			if (IsLower(w)) w -= 0x20;			/* To upper ASCII characters */

-#ifdef _EXCVT

-			if (w >= 0x80) w = ExCvt[w - 0x80];	/* To upper extended characters (SBCS cfg) */

-#else

-			if (!_DF1S && w >= 0x80) w = 0;		/* Reject extended characters (ASCII cfg) */

-#endif

-#endif

-#endif

-			if (!w || chk_chr("\"*+,.:;<=>\?[]|\x7F", w) || j >= (UINT)((w >= 0x100) ? 10 : 11)) /* Reject invalid characters for volume label */

-				LEAVE_FF(dj.fs, FR_INVALID_NAME);

-			if (w >= 0x100) vn[j++] = (BYTE)(w >> 8);

-			vn[j++] = (BYTE)w;

-		} while (i < sl);

-		while (j < 11) vn[j++] = ' ';

-	}

-

-	/* Set volume label */

-	dj.sclust = 0;					/* Open root directory */

-	res = dir_sdi(&dj, 0);

-	if (res == FR_OK) {

-		res = dir_read(&dj, 1);		/* Get an entry with AM_VOL */

-		if (res == FR_OK) {			/* A volume label is found */

-			if (vn[0]) {

-				mem_cpy(dj.dir, vn, 11);	/* Change the volume label name */

-				tm = get_fattime();

-				ST_DWORD(dj.dir+DIR_WrtTime, tm);

-			} else {

-				dj.dir[0] = DDE;			/* Remove the volume label */

-			}

-			dj.fs->wflag = 1;

-			res = sync_fs(dj.fs);

-		} else {					/* No volume label is found or error */

-			if (res == FR_NO_FILE) {

-				res = FR_OK;

-				if (vn[0]) {				/* Create volume label as new */

-					res = dir_alloc(&dj, 1);	/* Allocate an entry for volume label */

-					if (res == FR_OK) {

-						mem_set(dj.dir, 0, SZ_DIR);	/* Set volume label */

-						mem_cpy(dj.dir, vn, 11);

-						dj.dir[DIR_Attr] = AM_VOL;

-						tm = get_fattime();

-						ST_DWORD(dj.dir+DIR_WrtTime, tm);

-						dj.fs->wflag = 1;

-						res = sync_fs(dj.fs);

-					}

-				}

-			}

-		}

-	}

-

-	LEAVE_FF(dj.fs, res);

-}

-

-#endif /* !_FS_READONLY */

-#endif /* _USE_LABEL */

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Forward data to the stream directly (available on only tiny cfg)      */

-/*-----------------------------------------------------------------------*/

-#if _USE_FORWARD && _FS_TINY

-

-FRESULT f_forward (

-	FIL* fp, 						/* Pointer to the file object */

-	UINT (*func)(const BYTE*,UINT),	/* Pointer to the streaming function */

-	UINT btf,						/* 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;	/* Clear transfer byte counter */

-

-	res = validate(fp);								/* Check validity of the object */

-	if (res != FR_OK) LEAVE_FF(fp->fs, res);

-	if (fp->err)									/* Check error */

-		LEAVE_FF(fp->fs, (FRESULT)fp->err);

-	if (!(fp->flag & FA_READ))						/* Check access mode */

-		LEAVE_FF(fp->fs, FR_DENIED);

-

-	remain = fp->fsize - fp->fptr;

-	if (btf > remain) btf = (UINT)remain;			/* Truncate btf by remaining bytes */

-

-	for ( ;  btf && (*func)(0, 0);					/* Repeat until all data transferred or stream becomes busy */

-		fp->fptr += rcnt, *bf += rcnt, btf -= rcnt) {

-		csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */

-		if ((fp->fptr % SS(fp->fs)) == 0) {			/* On the sector boundary? */

-			if (!csect) {							/* On the cluster boundary? */

-				clst = (fp->fptr == 0) ?			/* On the top of the file? */

-					fp->sclust : get_fat(fp->fs, fp->clust);

-				if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);

-				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);

-				fp->clust = clst;					/* Update current cluster */

-			}

-		}

-		sect = clust2sect(fp->fs, fp->clust);		/* Get current data sector */

-		if (!sect) ABORT(fp->fs, FR_INT_ERR);

-		sect += csect;

-		if (move_window(fp->fs, sect))				/* Move sector window */

-			ABORT(fp->fs, FR_DISK_ERR);

-		fp->dsect = sect;

-		rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs));	/* Forward data from sector window */

-		if (rcnt > btf) rcnt = btf;

-		rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);

-		if (!rcnt) ABORT(fp->fs, FR_INT_ERR);

-	}

-

-	LEAVE_FF(fp->fs, FR_OK);

-}

-#endif /* _USE_FORWARD */

-

-

-

-#if _USE_MKFS && !_FS_READONLY

-/*-----------------------------------------------------------------------*/

-/* Create File System on the Drive                                       */

-/*-----------------------------------------------------------------------*/

-#define N_ROOTDIR	512		/* Number of root directory entries for FAT12/16 */

-#define N_FATS		1		/* Number of FAT copies (1 or 2) */

-

-

-FRESULT f_mkfs (

-	const TCHAR* path,	/* Logical drive number */

-	BYTE sfd,			/* Partitioning rule 0:FDISK, 1:SFD */

-	UINT au				/* Allocation unit [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};

-	int vol;

-	BYTE fmt, md, sys, *tbl, pdrv, part;

-	DWORD n_clst, vs, n, wsect;

-	UINT i;

-	DWORD b_vol, b_fat, b_dir, b_data;	/* LBA */

-	DWORD n_vol, n_rsv, n_fat, n_dir;	/* Size */

-	FATFS *fs;

-	DSTATUS stat;

-

-

-	/* Check mounted drive and clear work area */

-	vol = get_ldnumber(&path);

-	if (vol < 0) return FR_INVALID_DRIVE;

-	if (sfd > 1) return FR_INVALID_PARAMETER;

-	if (au & (au - 1)) return FR_INVALID_PARAMETER;

-	fs = FatFs[vol];

-	if (!fs) return FR_NOT_ENABLED;

-	fs->fs_type = 0;

-	pdrv = LD2PD(vol);	/* Physical drive */

-	part = LD2PT(vol);	/* Partition (0:auto detect, 1-4:get from partition table)*/

-

-	/* Get disk statics */

-	stat = disk_initialize(pdrv);

-	if (stat & STA_NOINIT) return FR_NOT_READY;

-	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;

-#if _MAX_SS != _MIN_SS		/* Get disk sector size */

-	if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS || SS(fs) < _MIN_SS)

-		return FR_DISK_ERR;

-#endif

-	if (_MULTI_PARTITION && part) {

-		/* Get partition information from partition table in the MBR */

-		if (disk_read(pdrv, fs->win, 0, 1)) return FR_DISK_ERR;

-		if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;

-		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];

-		if (!tbl[4]) return FR_MKFS_ABORTED;	/* No partition? */

-		b_vol = LD_DWORD(tbl+8);	/* Volume start sector */

-		n_vol = LD_DWORD(tbl+12);	/* Volume size */

-	} else {

-		/* Create a partition in this function */

-		if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)

-			return FR_DISK_ERR;

-		b_vol = (sfd) ? 0 : 63;		/* Volume start sector */

-		n_vol -= b_vol;				/* Volume size */

-	}

-

-	if (!au) {				/* AU auto selection */

-		vs = n_vol / (2000 / (SS(fs) / 512));

-		for (i = 0; vs < vst[i]; i++) ;

-		au = cst[i];

-	}

-	au /= SS(fs);		/* Number of sectors per cluster */

-	if (au == 0) au = 1;

-	if (au > 128) au = 128;

-

-	/* Pre-compute number of clusters and FAT sub-type */

-	n_clst = n_vol / au;

-	fmt = FS_FAT12;

-	if (n_clst >= MIN_FAT16) fmt = FS_FAT16;

-	if (n_clst >= MIN_FAT32) fmt = FS_FAT32;

-

-	/* Determine offset and size of FAT structure */

-	if (fmt == FS_FAT32) {

-		n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);

-		n_rsv = 32;

-		n_dir = 0;

-	} else {

-		n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;

-		n_fat = (n_fat + SS(fs) - 1) / SS(fs);

-		n_rsv = 1;

-		n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);

-	}

-	b_fat = b_vol + n_rsv;				/* FAT area start sector */

-	b_dir = b_fat + n_fat * N_FATS;		/* Directory area start sector */

-	b_data = b_dir + n_dir;				/* Data area start sector */

-	if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED;	/* Too small volume */

-

-	/* Align data start sector to erase block boundary (for flash memory media) */

-	if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1;

-	n = (b_data + n - 1) & ~(n - 1);	/* Next nearest erase block from current data start */

-	n = (n - b_data) / N_FATS;

-	if (fmt == FS_FAT32) {		/* FAT32: Move FAT offset */

-		n_rsv += n;

-		b_fat += n;

-	} else {					/* FAT12/16: Expand FAT size */

-		n_fat += n;

-	}

-

-	/* Determine number of clusters and final check of validity of the FAT sub-type */

-	n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;

-	if (   (fmt == FS_FAT16 && n_clst < MIN_FAT16)

-		|| (fmt == FS_FAT32 && n_clst < MIN_FAT32))

-		return FR_MKFS_ABORTED;

-

-	/* Determine system ID in the partition table */

-	if (fmt == FS_FAT32) {

-		sys = 0x0C;		/* FAT32X */

-	} else {

-		if (fmt == FS_FAT12 && n_vol < 0x10000) {

-			sys = 0x01;	/* FAT12(<65536) */

-		} else {

-			sys = (n_vol < 0x10000) ? 0x04 : 0x06;	/* FAT16(<65536) : FAT12/16(>=65536) */

-		}

-	}

-

-	if (_MULTI_PARTITION && part) {

-		/* Update system ID in the partition table */

-		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];

-		tbl[4] = sys;

-		if (disk_write(pdrv, fs->win, 0, 1))	/* Write it to teh MBR */

-			return FR_DISK_ERR;

-		md = 0xF8;

-	} else {

-		if (sfd) {	/* No partition table (SFD) */

-			md = 0xF0;

-		} else {	/* Create partition table (FDISK) */

-			mem_set(fs->win, 0, SS(fs));

-			tbl = fs->win+MBR_Table;	/* Create partition table for single partition in the drive */

-			tbl[1] = 1;						/* Partition start head */

-			tbl[2] = 1;						/* Partition start sector */

-			tbl[3] = 0;						/* Partition start cylinder */

-			tbl[4] = sys;					/* System type */

-			tbl[5] = 254;					/* Partition end head */

-			n = (b_vol + n_vol) / 63 / 255;

-			tbl[6] = (BYTE)(n >> 2 | 63);	/* Partition end sector */

-			tbl[7] = (BYTE)n;				/* End cylinder */

-			ST_DWORD(tbl+8, 63);			/* Partition start in LBA */

-			ST_DWORD(tbl+12, n_vol);		/* Partition size in LBA */

-			ST_WORD(fs->win+BS_55AA, 0xAA55);	/* MBR signature */

-			if (disk_write(pdrv, fs->win, 0, 1))	/* Write it to the MBR */

-				return FR_DISK_ERR;

-			md = 0xF8;

-		}

-	}

-

-	/* Create BPB in the VBR */

-	tbl = fs->win;							/* Clear sector */

-	mem_set(tbl, 0, SS(fs));

-	mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */

-	i = SS(fs);								/* Sector size */

-	ST_WORD(tbl+BPB_BytsPerSec, i);

-	tbl[BPB_SecPerClus] = (BYTE)au;			/* Sectors per cluster */

-	ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv);		/* Reserved sectors */

-	tbl[BPB_NumFATs] = N_FATS;				/* Number of FATs */

-	i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;	/* Number of root directory entries */

-	ST_WORD(tbl+BPB_RootEntCnt, i);

-	if (n_vol < 0x10000) {					/* Number of total sectors */

-		ST_WORD(tbl+BPB_TotSec16, n_vol);

-	} else {

-		ST_DWORD(tbl+BPB_TotSec32, n_vol);

-	}

-	tbl[BPB_Media] = md;					/* Media descriptor */

-	ST_WORD(tbl+BPB_SecPerTrk, 63);			/* Number of sectors per track */

-	ST_WORD(tbl+BPB_NumHeads, 255);			/* Number of heads */

-	ST_DWORD(tbl+BPB_HiddSec, b_vol);		/* Hidden sectors */

-	n = get_fattime();						/* Use current time as VSN */

-	if (fmt == FS_FAT32) {

-		ST_DWORD(tbl+BS_VolID32, n);		/* VSN */

-		ST_DWORD(tbl+BPB_FATSz32, n_fat);	/* Number of sectors per FAT */

-		ST_DWORD(tbl+BPB_RootClus, 2);		/* Root directory start cluster (2) */

-		ST_WORD(tbl+BPB_FSInfo, 1);			/* FSINFO record offset (VBR+1) */

-		ST_WORD(tbl+BPB_BkBootSec, 6);		/* Backup boot record offset (VBR+6) */

-		tbl[BS_DrvNum32] = 0x80;			/* Drive number */

-		tbl[BS_BootSig32] = 0x29;			/* Extended boot signature */

-		mem_cpy(tbl+BS_VolLab32, "NO NAME    " "FAT32   ", 19);	/* Volume label, FAT signature */

-	} else {

-		ST_DWORD(tbl+BS_VolID, n);			/* VSN */

-		ST_WORD(tbl+BPB_FATSz16, n_fat);	/* Number of sectors per FAT */

-		tbl[BS_DrvNum] = 0x80;				/* Drive number */

-		tbl[BS_BootSig] = 0x29;				/* Extended boot signature */

-		mem_cpy(tbl+BS_VolLab, "NO NAME    " "FAT     ", 19);	/* Volume label, FAT signature */

-	}

-	ST_WORD(tbl+BS_55AA, 0xAA55);			/* Signature (Offset is fixed here regardless of sector size) */

-	if (disk_write(pdrv, tbl, b_vol, 1))	/* Write it to the VBR sector */

-		return FR_DISK_ERR;

-	if (fmt == FS_FAT32)					/* Write backup VBR if needed (VBR+6) */

-		disk_write(pdrv, tbl, b_vol + 6, 1);

-

-	/* Initialize FAT area */

-	wsect = b_fat;

-	for (i = 0; i < N_FATS; i++) {		/* Initialize each FAT copy */

-		mem_set(tbl, 0, SS(fs));			/* 1st sector of the FAT  */

-		n = md;								/* Media descriptor byte */

-		if (fmt != FS_FAT32) {

-			n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;

-			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT12/16) */

-		} else {

-			n |= 0xFFFFFF00;

-			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT32) */

-			ST_DWORD(tbl+4, 0xFFFFFFFF);

-			ST_DWORD(tbl+8, 0x0FFFFFFF);	/* Reserve cluster #2 for root directory */

-		}

-		if (disk_write(pdrv, tbl, wsect++, 1))

-			return FR_DISK_ERR;

-		mem_set(tbl, 0, SS(fs));			/* Fill following FAT entries with zero */

-		for (n = 1; n < n_fat; n++) {		/* This loop may take a time on FAT32 volume due to many single sector writes */

-			if (disk_write(pdrv, tbl, wsect++, 1))

-				return FR_DISK_ERR;

-		}

-	}

-

-	/* Initialize root directory */

-	i = (fmt == FS_FAT32) ? au : (UINT)n_dir;

-	do {

-		if (disk_write(pdrv, tbl, wsect++, 1))

-			return FR_DISK_ERR;

-	} while (--i);

-

-#if _USE_ERASE	/* Erase data area if needed */

-	{

-		DWORD eb[2];

-

-		eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;

-		disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb);

-	}

-#endif

-

-	/* Create FSINFO if needed */

-	if (fmt == FS_FAT32) {

-		ST_DWORD(tbl+FSI_LeadSig, 0x41615252);

-		ST_DWORD(tbl+FSI_StrucSig, 0x61417272);

-		ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);	/* Number of free clusters */

-		ST_DWORD(tbl+FSI_Nxt_Free, 2);				/* Last allocated cluster# */

-		ST_WORD(tbl+BS_55AA, 0xAA55);

-		disk_write(pdrv, tbl, b_vol + 1, 1);	/* Write original (VBR+1) */

-		disk_write(pdrv, tbl, b_vol + 7, 1);	/* Write backup (VBR+7) */

-	}

-

-	return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;

-}

-

-

-

-#if _MULTI_PARTITION

-/*-----------------------------------------------------------------------*/

-/* Divide Physical Drive                                                 */

-/*-----------------------------------------------------------------------*/

-

-FRESULT f_fdisk (

-	BYTE pdrv,			/* Physical drive number */

-	const DWORD szt[],	/* Pointer to the size table for each partitions */

-	void* work			/* Pointer to the working buffer */

-)

-{

-	UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;

-	BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;

-	DSTATUS stat;

-	DWORD sz_disk, sz_part, s_part;

-

-

-	stat = disk_initialize(pdrv);

-	if (stat & STA_NOINIT) return FR_NOT_READY;

-	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;

-	if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;

-

-	/* Determine CHS in the table regardless of the drive geometry */

-	for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;

-	if (n == 256) n--;

-	e_hd = n - 1;

-	sz_cyl = 63 * n;

-	tot_cyl = sz_disk / sz_cyl;

-

-	/* Create partition table */

-	mem_set(buf, 0, _MAX_SS);

-	p = buf + MBR_Table; b_cyl = 0;

-	for (i = 0; i < 4; i++, p += SZ_PTE) {

-		p_cyl = (szt[i] <= 100U) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;

-		if (!p_cyl) continue;

-		s_part = (DWORD)sz_cyl * b_cyl;

-		sz_part = (DWORD)sz_cyl * p_cyl;

-		if (i == 0) {	/* Exclude first track of cylinder 0 */

-			s_hd = 1;

-			s_part += 63; sz_part -= 63;

-		} else {

-			s_hd = 0;

-		}

-		e_cyl = b_cyl + p_cyl - 1;

-		if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;

-

-		/* Set partition table */

-		p[1] = s_hd;						/* Start head */

-		p[2] = (BYTE)((b_cyl >> 2) + 1);	/* Start sector */

-		p[3] = (BYTE)b_cyl;					/* Start cylinder */

-		p[4] = 0x06;						/* System type (temporary setting) */

-		p[5] = e_hd;						/* End head */

-		p[6] = (BYTE)((e_cyl >> 2) + 63);	/* End sector */

-		p[7] = (BYTE)e_cyl;					/* End cylinder */

-		ST_DWORD(p + 8, s_part);			/* Start sector in LBA */

-		ST_DWORD(p + 12, sz_part);			/* Partition size */

-

-		/* Next partition */

-		b_cyl += p_cyl;

-	}

-	ST_WORD(p, 0xAA55);

-

-	/* Write it to the MBR */

-	return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK;

-}

-

-

-#endif /* _MULTI_PARTITION */

-#endif /* _USE_MKFS && !_FS_READONLY */

-

-

-

-

-#if _USE_STRFUNC

-/*-----------------------------------------------------------------------*/

-/* Get a string from the file                                            */

-/*-----------------------------------------------------------------------*/

-

-TCHAR* f_gets (

-	TCHAR* buff,	/* Pointer to the string buffer to read */

-	int len,		/* Size of string buffer (characters) */

-	FIL* fp			/* Pointer to the file object */

-)

-{

-	int n = 0;

-	TCHAR c, *p = buff;

-	BYTE s[2];

-	UINT rc;

-

-

-	while (n < len - 1) {	/* Read characters until buffer gets filled */

-#if _USE_LFN && _LFN_UNICODE

-#if _STRF_ENCODE == 3		/* Read a character in UTF-8 */

-		f_read(fp, s, 1, &rc);

-		if (rc != 1) break;

-		c = s[0];

-		if (c >= 0x80) {

-			if (c < 0xC0) continue;	/* Skip stray trailer */

-			if (c < 0xE0) {			/* Two-byte sequence */

-				f_read(fp, s, 1, &rc);

-				if (rc != 1) break;

-				c = (c & 0x1F) << 6 | (s[0] & 0x3F);

-				if (c < 0x80) c = '?';

-			} else {

-				if (c < 0xF0) {		/* Three-byte sequence */

-					f_read(fp, 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 sequence */

-					c = '?';

-				}

-			}

-		}

-#elif _STRF_ENCODE == 2		/* Read a character in UTF-16BE */

-		f_read(fp, s, 2, &rc);

-		if (rc != 2) break;

-		c = s[1] + (s[0] << 8);

-#elif _STRF_ENCODE == 1		/* Read a character in UTF-16LE */

-		f_read(fp, s, 2, &rc);

-		if (rc != 2) break;

-		c = s[0] + (s[1] << 8);

-#else						/* Read a character in ANSI/OEM */

-		f_read(fp, s, 1, &rc);

-		if (rc != 1) break;

-		c = s[0];

-		if (IsDBCS1(c)) {

-			f_read(fp, s, 1, &rc);

-			if (rc != 1) break;

-			c = (c << 8) + s[0];

-		}

-		c = ff_convert(c, 1);	/* OEM -> Unicode */

-		if (!c) c = '?';

-#endif

-#else						/* Read a character without conversion */

-		f_read(fp, s, 1, &rc);

-		if (rc != 1) break;

-		c = s[0];

-#endif

-		if (_USE_STRFUNC == 2 && c == '\r') continue;	/* Strip '\r' */

-		*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                                           */

-/*-----------------------------------------------------------------------*/

-

-typedef struct {

-	FIL* fp;

-	int idx, nchr;

-	BYTE buf[64];

-} putbuff;

-

-

-static

-void putc_bfd (

-	putbuff* pb,

-	TCHAR c

-)

-{

-	UINT bw;

-	int i;

-

-

-	if (_USE_STRFUNC == 2 && c == '\n')	 /* LF -> CRLF conversion */

-		putc_bfd(pb, '\r');

-

-	i = pb->idx;	/* Buffer write index (-1:error) */

-	if (i < 0) return;

-

-#if _USE_LFN && _LFN_UNICODE

-#if _STRF_ENCODE == 3			/* Write a character in UTF-8 */

-	if (c < 0x80) {				/* 7-bit */

-		pb->buf[i++] = (BYTE)c;

-	} else {

-		if (c < 0x800) {		/* 11-bit */

-			pb->buf[i++] = (BYTE)(0xC0 | c >> 6);

-		} else {				/* 16-bit */

-			pb->buf[i++] = (BYTE)(0xE0 | c >> 12);

-			pb->buf[i++] = (BYTE)(0x80 | (c >> 6 & 0x3F));

-		}

-		pb->buf[i++] = (BYTE)(0x80 | (c & 0x3F));

-	}

-#elif _STRF_ENCODE == 2			/* Write a character in UTF-16BE */

-	pb->buf[i++] = (BYTE)(c >> 8);

-	pb->buf[i++] = (BYTE)c;

-#elif _STRF_ENCODE == 1			/* Write a character in UTF-16LE */

-	pb->buf[i++] = (BYTE)c;

-	pb->buf[i++] = (BYTE)(c >> 8);

-#else							/* Write a character in ANSI/OEM */

-	c = ff_convert(c, 0);	/* Unicode -> OEM */

-	if (!c) c = '?';

-	if (c >= 0x100)

-		pb->buf[i++] = (BYTE)(c >> 8);

-	pb->buf[i++] = (BYTE)c;

-#endif

-#else							/* Write a character without conversion */

-	pb->buf[i++] = (BYTE)c;

-#endif

-

-	if (i >= (int)(sizeof pb->buf) - 3) {	/* Write buffered characters to the file */

-		f_write(pb->fp, pb->buf, (UINT)i, &bw);

-		i = (bw == (UINT)i) ? 0 : -1;

-	}

-	pb->idx = i;

-	pb->nchr++;

-}

-

-

-

-int f_putc (

-	TCHAR c,	/* A character to be output */

-	FIL* fp		/* Pointer to the file object */

-)

-{

-	putbuff pb;

-	UINT nw;

-

-

-	pb.fp = fp;			/* Initialize output buffer */

-	pb.nchr = pb.idx = 0;

-

-	putc_bfd(&pb, c);	/* Put a character */

-

-	if (   pb.idx >= 0	/* Flush buffered characters to the file */

-		&& f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK

-		&& (UINT)pb.idx == nw) return pb.nchr;

-	return EOF;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Put a string to the file                                              */

-/*-----------------------------------------------------------------------*/

-

-int f_puts (

-	const TCHAR* str,	/* Pointer to the string to be output */

-	FIL* fp				/* Pointer to the file object */

-)

-{

-	putbuff pb;

-	UINT nw;

-

-

-	pb.fp = fp;				/* Initialize output buffer */

-	pb.nchr = pb.idx = 0;

-

-	while (*str)			/* Put the string */

-		putc_bfd(&pb, *str++);

-

-	if (   pb.idx >= 0		/* Flush buffered characters to the file */

-		&& f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK

-		&& (UINT)pb.idx == nw) return pb.nchr;

-	return EOF;

-}

-

-

-

-

-/*-----------------------------------------------------------------------*/

-/* Put a formatted string to the file                                    */

-/*-----------------------------------------------------------------------*/

-

-int f_printf (

-	FIL* fp,			/* Pointer to the file object */

-	const TCHAR* fmt,	/* Pointer to the format string */

-	...					/* Optional arguments... */

-)

-{

-	va_list arp;

-	BYTE f, r;

-	UINT nw, i, j, w;

-	DWORD v;

-	TCHAR c, d, s[16], *p;

-	putbuff pb;

-

-

-	pb.fp = fp;				/* Initialize output buffer */

-	pb.nchr = pb.idx = 0;

-

-	va_start(arp, fmt);

-

-	for (;;) {

-		c = *fmt++;

-		if (c == 0) break;			/* End of string */

-		if (c != '%') {				/* Non escape character */

-			putc_bfd(&pb, c);

-			continue;

-		}

-		w = f = 0;

-		c = *fmt++;

-		if (c == '0') {				/* Flag: '0' padding */

-			f = 1; c = *fmt++;

-		} else {

-			if (c == '-') {			/* Flag: left justified */

-				f = 2; c = *fmt++;

-			}

-		}

-		while (IsDigit(c)) {		/* Precision */

-			w = w * 10 + c - '0';

-			c = *fmt++;

-		}

-		if (c == 'l' || c == 'L') {	/* Prefix: Size is long int */

-			f |= 4; c = *fmt++;

-		}

-		if (!c) break;

-		d = c;

-		if (IsLower(d)) d -= 0x20;

-		switch (d) {				/* Type is... */

-		case 'S' :					/* String */

-			p = va_arg(arp, TCHAR*);

-			for (j = 0; p[j]; j++) ;

-			if (!(f & 2)) {

-				while (j++ < w) putc_bfd(&pb, ' ');

-			}

-			while (*p) putc_bfd(&pb, *p++);

-			while (j++ < w) putc_bfd(&pb, ' ');

-			continue;

-		case 'C' :					/* Character */

-			putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue;

-		case 'B' :					/* Binary */

-			r = 2; break;

-		case 'O' :					/* Octal */

-			r = 8; break;

-		case 'D' :					/* Signed decimal */

-		case 'U' :					/* Unsigned decimal */

-			r = 10; break;

-		case 'X' :					/* Hexdecimal */

-			r = 16; break;

-		default:					/* Unknown type (pass-through) */

-			putc_bfd(&pb, c); continue;

-		}

-

-		/* Get an argument and put it in numeral */

-		v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));

-		if (d == 'D' && (v & 0x80000000)) {

-			v = 0 - v;

-			f |= 8;

-		}

-		i = 0;

-		do {

-			d = (TCHAR)(v % r); v /= r;

-			if (d > 9) d += (c == 'x') ? 0x27 : 0x07;

-			s[i++] = d + '0';

-		} while (v && i < sizeof s / sizeof s[0]);

-		if (f & 8) s[i++] = '-';

-		j = i; d = (f & 1) ? '0' : ' ';

-		while (!(f & 2) && j++ < w) putc_bfd(&pb, d);

-		do putc_bfd(&pb, s[--i]); while (i);

-		while (j++ < w) putc_bfd(&pb, d);

-	}

-

-	va_end(arp);

-

-	if (   pb.idx >= 0		/* Flush buffered characters to the file */

-		&& f_write(pb.fp, pb.buf, (UINT)pb.idx, &nw) == FR_OK

-		&& (UINT)pb.idx == nw) return pb.nchr;

-	return EOF;

-}

-

-#endif /* !_FS_READONLY */

-#endif /* _USE_STRFUNC */

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/ff.h b/testhal/STM32/STM32F4xx/USB_HOST/ff.h
deleted file mode 100644
index 9894921..0000000
--- a/testhal/STM32/STM32F4xx/USB_HOST/ff.h
+++ /dev/null
@@ -1,342 +0,0 @@
-/*---------------------------------------------------------------------------/

-/  FatFs - FAT file system module include file  R0.10b    (C)ChaN, 2014

-/----------------------------------------------------------------------------/

-/ 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) 2014, ChaN, all right reserved.

-/

-/ * The FatFs module is a free software and there is NO WARRANTY.

-/ * No restriction on use. You can use, modify and redistribute it for

-/   personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.

-/ * Redistributions of source code must retain the above copyright notice.

-/

-/----------------------------------------------------------------------------*/

-

-#ifndef _FATFS

-#define _FATFS	8051	/* Revision ID */

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#include "integer.h"	/* Basic integer types */

-#include "ffconf.h"		/* FatFs configuration options */

-

-#if _FATFS != _FFCONF

-#error Wrong configuration file (ffconf.h).

-#endif

-

-

-

-/* Definitions of volume management */

-

-#if _MULTI_PARTITION		/* Multiple partition configuration */

-typedef struct {

-	BYTE pd;	/* Physical drive number */

-	BYTE pt;	/* Partition: 0:Auto detect, 1-4:Forced partition) */

-} PARTITION;

-extern PARTITION VolToPart[];	/* Volume - Partition resolution table */

-#define LD2PD(vol) (VolToPart[vol].pd)	/* Get physical drive number */

-#define LD2PT(vol) (VolToPart[vol].pt)	/* Get partition index */

-

-#else							/* Single partition configuration */

-#define LD2PD(vol) (BYTE)(vol)	/* Each logical drive is bound to the same physical drive number */

-#define LD2PT(vol) 0			/* Find first valid partition or in SFD */

-

-#endif

-

-

-

-/* Type of path name strings on FatFs API */

-

-#if _LFN_UNICODE			/* Unicode string */

-#if !_USE_LFN

-#error _LFN_UNICODE must be 0 at non-LFN cfg.

-#endif

-#ifndef _INC_TCHAR

-typedef WCHAR TCHAR;

-#define _T(x) L ## x

-#define _TEXT(x) L ## x

-#endif

-

-#else						/* ANSI/OEM string */

-#ifndef _INC_TCHAR

-typedef char TCHAR;

-#define _T(x) x

-#define _TEXT(x) x

-#endif

-

-#endif

-

-

-

-/* File system object structure (FATFS) */

-

-typedef struct {

-	BYTE	fs_type;		/* FAT sub-type (0:Not mounted) */

-	BYTE	drv;			/* Physical drive number */

-	BYTE	csize;			/* Sectors per cluster (1,2,4...128) */

-	BYTE	n_fats;			/* Number of FAT copies (1 or 2) */

-	BYTE	wflag;			/* win[] flag (b0:dirty) */

-	BYTE	fsi_flag;		/* FSINFO flags (b7:disabled, b0:dirty) */

-	WORD	id;				/* File system mount ID */

-	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */

-#if _MAX_SS != _MIN_SS

-	WORD	ssize;			/* Bytes per sector (512, 1024, 2048 or 4096) */

-#endif

-#if _FS_REENTRANT

-	_SYNC_t	sobj;			/* Identifier of sync object */

-#endif

-#if !_FS_READONLY

-	DWORD	last_clust;		/* Last allocated cluster */

-	DWORD	free_clust;		/* Number of free clusters */

-#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	volbase;		/* Volume start sector */

-	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 file data at tiny cfg) */

-} FATFS;

-

-

-

-/* File object structure (FIL) */

-

-typedef struct {

-	FATFS*	fs;				/* Pointer to the related file system object (**do not change order**) */

-	WORD	id;				/* Owner file system mount ID (**do not change order**) */

-	BYTE	flag;			/* Status flags */

-	BYTE	err;			/* Abort flag (error code) */

-	DWORD	fptr;			/* File read/write pointer (Zeroed on file open) */

-	DWORD	fsize;			/* File size */

-	DWORD	sclust;			/* File start cluster (0:no cluster chain, always 0 when fsize is 0) */

-	DWORD	clust;			/* Current cluster of fpter (not valid when fprt is 0) */

-	DWORD	dsect;			/* Sector number appearing in buf[] (0:invalid) */

-#if !_FS_READONLY

-	DWORD	dir_sect;		/* Sector number containing the directory entry */

-	BYTE*	dir_ptr;		/* Pointer to the directory entry in the win[] */

-#endif

-#if _USE_FASTSEEK

-	DWORD*	cltbl;			/* Pointer to the cluster link map table (Nulled on file open) */

-#endif

-#if _FS_LOCK

-	UINT	lockid;			/* File lock ID origin from 1 (index of file semaphore table Files[]) */

-#endif

-#if !_FS_TINY

-	BYTE	buf[_MAX_SS];	/* File private data read/write window */

-#endif

-} FIL;

-

-

-

-/* Directory object structure (DIR) */

-

-typedef struct {

-	FATFS*	fs;				/* Pointer to the owner file system object (**do not change order**) */

-	WORD	id;				/* Owner file system mount ID (**do not change order**) */

-	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 _FS_LOCK

-	UINT	lockid;			/* File lock ID (index of file semaphore table Files[]) */

-#endif

-#if _USE_LFN

-	WCHAR*	lfn;			/* Pointer to the LFN working buffer */

-	WORD	lfn_idx;		/* Last matched LFN index number (0xFFFF:No LFN) */

-#endif

-} DIR;

-

-

-

-/* File status structure (FILINFO) */

-

-typedef struct {

-	DWORD	fsize;			/* File size */

-	WORD	fdate;			/* Last modified date */

-	WORD	ftime;			/* Last modified time */

-	BYTE	fattrib;		/* Attribute */

-	TCHAR	fname[13];		/* Short file name (8.3 format) */

-#if _USE_LFN

-	TCHAR*	lfname;			/* Pointer to the LFN buffer */

-	UINT 	lfsize;			/* Size of LFN buffer in TCHAR */

-#endif

-} FILINFO;

-

-

-

-/* File function return code (FRESULT) */

-

-typedef enum {

-	FR_OK = 0,				/* (0) Succeeded */

-	FR_DISK_ERR,			/* (1) A hard error occurred in the low level disk I/O layer */

-	FR_INT_ERR,				/* (2) Assertion failed */

-	FR_NOT_READY,			/* (3) The physical drive cannot work */

-	FR_NO_FILE,				/* (4) Could not find the file */

-	FR_NO_PATH,				/* (5) Could not find the path */

-	FR_INVALID_NAME,		/* (6) The path name format is invalid */

-	FR_DENIED,				/* (7) Access denied due to prohibited access or directory full */

-	FR_EXIST,				/* (8) Access denied due to prohibited access */

-	FR_INVALID_OBJECT,		/* (9) The file/directory object is invalid */

-	FR_WRITE_PROTECTED,		/* (10) The physical drive is write protected */

-	FR_INVALID_DRIVE,		/* (11) The logical drive number is invalid */

-	FR_NOT_ENABLED,			/* (12) The volume has no work area */

-	FR_NO_FILESYSTEM,		/* (13) There is no valid FAT volume */

-	FR_MKFS_ABORTED,		/* (14) The f_mkfs() aborted due to any parameter error */

-	FR_TIMEOUT,				/* (15) Could not get a grant to access the volume within defined period */

-	FR_LOCKED,				/* (16) The operation is rejected according to the file sharing policy */

-	FR_NOT_ENOUGH_CORE,		/* (17) LFN working buffer could not be allocated */

-	FR_TOO_MANY_OPEN_FILES,	/* (18) Number of open files > _FS_SHARE */

-	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */

-} FRESULT;

-

-

-

-/*--------------------------------------------------------------*/

-/* FatFs module application interface                           */

-

-FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode);				/* Open or create a file */

-FRESULT f_close (FIL* fp);											/* Close an open file object */

-FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br);			/* Read data from a file */

-FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw);	/* Write data to a file */

-FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf);	/* Forward data to the stream */

-FRESULT f_lseek (FIL* fp, DWORD ofs);								/* Move file pointer of a file object */

-FRESULT f_truncate (FIL* fp);										/* Truncate file */

-FRESULT f_sync (FIL* fp);											/* Flush cached data of a writing file */

-FRESULT f_opendir (DIR* dp, const TCHAR* path);						/* Open a directory */

-FRESULT f_closedir (DIR* dp);										/* Close an open directory */

-FRESULT f_readdir (DIR* dp, FILINFO* fno);							/* Read a directory item */

-FRESULT f_mkdir (const TCHAR* path);								/* Create a sub directory */

-FRESULT f_unlink (const TCHAR* path);								/* Delete an existing file or directory */

-FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new);	/* Rename/Move a file or directory */

-FRESULT f_stat (const TCHAR* path, FILINFO* fno);					/* Get file status */

-FRESULT f_chmod (const TCHAR* path, BYTE value, BYTE mask);			/* Change attribute of the file/dir */

-FRESULT f_utime (const TCHAR* path, const FILINFO* fno);			/* Change times-tamp of the file/dir */

-FRESULT f_chdir (const TCHAR* path);								/* Change current directory */

-FRESULT f_chdrive (const TCHAR* path);								/* Change current drive */

-FRESULT f_getcwd (TCHAR* buff, UINT len);							/* Get current directory */

-FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs);	/* Get number of free clusters on the drive */

-FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn);	/* Get volume label */

-FRESULT f_setlabel (const TCHAR* label);							/* Set volume label */

-FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt);			/* Mount/Unmount a logical drive */

-FRESULT f_mkfs (const TCHAR* path, BYTE sfd, UINT au);				/* Create a file system on the volume */

-FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work);			/* Divide a physical drive into some partitions */

-int f_putc (TCHAR c, FIL* fp);										/* Put a character to the file */

-int f_puts (const TCHAR* str, FIL* cp);								/* Put a string to the file */

-int f_printf (FIL* fp, const TCHAR* str, ...);						/* Put a formatted string to the file */

-TCHAR* f_gets (TCHAR* buff, int len, FIL* fp);						/* Get a string from the file */

-

-#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)

-#define f_error(fp) ((fp)->err)

-#define f_tell(fp) ((fp)->fptr)

-#define f_size(fp) ((fp)->fsize)

-

-#ifndef EOF

-#define EOF (-1)

-#endif

-

-

-

-

-/*--------------------------------------------------------------*/

-/* Additional user defined functions                            */

-

-/* RTC function */

-#if !_FS_READONLY

-DWORD get_fattime (void);

-#endif

-

-/* Unicode support functions */

-#if _USE_LFN							/* Unicode - OEM code conversion */

-WCHAR ff_convert (WCHAR chr, UINT dir);	/* OEM-Unicode bidirectional conversion */

-WCHAR ff_wtoupper (WCHAR chr);			/* Unicode upper-case conversion */

-#if _USE_LFN == 3						/* Memory functions */

-void* ff_memalloc (UINT msize);			/* Allocate memory block */

-void ff_memfree (void* mblock);			/* Free memory block */

-#endif

-#endif

-

-/* Sync functions */

-#if _FS_REENTRANT

-int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj);	/* Create a sync object */

-int ff_req_grant (_SYNC_t sobj);				/* Lock sync object */

-void ff_rel_grant (_SYNC_t sobj);				/* Unlock sync object */

-int ff_del_syncobj (_SYNC_t sobj);				/* Delete a sync object */

-#endif

-

-

-

-

-/*--------------------------------------------------------------*/

-/* Flags and offset address                                     */

-

-

-/* File access control and file status flags (FIL.flag) */

-

-#define	FA_READ				0x01

-#define	FA_OPEN_EXISTING	0x00

-

-#if !_FS_READONLY

-#define	FA_WRITE			0x02

-#define	FA_CREATE_NEW		0x04

-#define	FA_CREATE_ALWAYS	0x08

-#define	FA_OPEN_ALWAYS		0x10

-#define FA__WRITTEN			0x20

-#define FA__DIRTY			0x40

-#endif

-

-

-/* FAT sub type (FATFS.fs_type) */

-

-#define FS_FAT12	1

-#define FS_FAT16	2

-#define FS_FAT32	3

-

-

-/* File attribute bits for directory entry */

-

-#define	AM_RDO	0x01	/* Read only */

-#define	AM_HID	0x02	/* Hidden */

-#define	AM_SYS	0x04	/* System */

-#define	AM_VOL	0x08	/* Volume label */

-#define AM_LFN	0x0F	/* LFN entry */

-#define AM_DIR	0x10	/* Directory */

-#define AM_ARC	0x20	/* Archive */

-#define AM_MASK	0x3F	/* Mask of defined bits */

-

-

-/* Fast seek feature */

-#define CREATE_LINKMAP	0xFFFFFFFF

-

-

-

-/*--------------------------------*/

-/* Multi-byte word access macros  */

-

-#if _WORD_ACCESS == 1	/* Enable word access to the FAT structure */

-#define	LD_WORD(ptr)		(WORD)(*(WORD*)(BYTE*)(ptr))

-#define	LD_DWORD(ptr)		(DWORD)(*(DWORD*)(BYTE*)(ptr))

-#define	ST_WORD(ptr,val)	*(WORD*)(BYTE*)(ptr)=(WORD)(val)

-#define	ST_DWORD(ptr,val)	*(DWORD*)(BYTE*)(ptr)=(DWORD)(val)

-#else					/* Use byte-by-byte access to the FAT structure */

-#define	LD_WORD(ptr)		(WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))

-#define	LD_DWORD(ptr)		(DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))

-#define	ST_WORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)

-#define	ST_DWORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8); *((BYTE*)(ptr)+2)=(BYTE)((DWORD)(val)>>16); *((BYTE*)(ptr)+3)=(BYTE)((DWORD)(val)>>24)

-#endif

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif /* _FATFS */

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/ffconf.h b/testhal/STM32/STM32F4xx/USB_HOST/ffconf.h
index 2af5efe..42388a2 100644
--- a/testhal/STM32/STM32F4xx/USB_HOST/ffconf.h
+++ b/testhal/STM32/STM32F4xx/USB_HOST/ffconf.h
@@ -8,7 +8,6 @@
 #ifndef _FFCONF

 #define _FFCONF 8051    /* Revision ID */

 

-

 /*---------------------------------------------------------------------------/

 / Functions and Buffer Configurations

 /---------------------------------------------------------------------------*/

@@ -92,7 +91,7 @@
 /   1    - ASCII (Valid for only non-LFN configuration) */

 

 

-#define _USE_LFN    3       /* 0 to 3 */

+#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 feature.

 /

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/halconf_community.h b/testhal/STM32/STM32F4xx/USB_HOST/halconf_community.h
index 807d741..7b962bc 100644
--- a/testhal/STM32/STM32F4xx/USB_HOST/halconf_community.h
+++ b/testhal/STM32/STM32F4xx/USB_HOST/halconf_community.h
@@ -91,13 +91,13 @@
 #define HAL_USBH_DEVICE_ADDRESS_STABILIZATION         20

 

 /* MSD */

-#define HAL_USBH_USE_MSD                              1

+#define HAL_USBH_USE_MSD                              TRUE

 

 #define HAL_USBHMSD_MAX_LUNS                          1

 #define HAL_USBHMSD_MAX_INSTANCES                     1

 

-/* IAD */

-#define HAL_USBH_USE_FTDI                             1

+/* FTDI */

+#define HAL_USBH_USE_FTDI                             TRUE

 

 #define HAL_USBHFTDI_MAX_PORTS                        1

 #define HAL_USBHFTDI_MAX_INSTANCES                    1

@@ -107,12 +107,8 @@
 #define HAL_USBHFTDI_DEFAULT_XON                      0x11

 #define HAL_USBHFTDI_DEFAULT_XOFF                     0x13

 

-

-/* IAD */

-#define HAL_USBH_USE_IAD                              0

-

 /* UVC */

-#define HAL_USBH_USE_UVC                              0

+#define HAL_USBH_USE_UVC                              FALSE

 

 #define HAL_USBHUVC_MAX_INSTANCES                     1

 #define HAL_USBHUVC_MAX_MAILBOX_SZ                    70

@@ -121,47 +117,47 @@
 

 

 /* HUB */

-#define HAL_USBH_USE_HUB                              1

+#define HAL_USBH_USE_HUB                              TRUE

 

 #define HAL_USBHHUB_MAX_INSTANCES                     1

 #define HAL_USBHHUB_MAX_PORTS                         6

 

 

 /* debug */

-#define USBH_DEBUG_ENABLE                             1

+#define USBH_DEBUG_ENABLE                             TRUE

 #define USBH_DEBUG_USBHD                              USBHD1

 #define USBH_DEBUG_SD                                 SD2

 #define USBH_DEBUG_BUFFER                             25000

 

-#define USBH_DEBUG_ENABLE_TRACE                       0

-#define USBH_DEBUG_ENABLE_INFO                        1

-#define USBH_DEBUG_ENABLE_WARNINGS                    1

-#define USBH_DEBUG_ENABLE_ERRORS                      1

-

-#define USBH_LLD_DEBUG_ENABLE_TRACE                   0

-#define USBH_LLD_DEBUG_ENABLE_INFO                    1

-#define USBH_LLD_DEBUG_ENABLE_WARNINGS                1

-#define USBH_LLD_DEBUG_ENABLE_ERRORS                  1

-

-#define USBHHUB_DEBUG_ENABLE_TRACE                    0

-#define USBHHUB_DEBUG_ENABLE_INFO                     1

-#define USBHHUB_DEBUG_ENABLE_WARNINGS                 1

-#define USBHHUB_DEBUG_ENABLE_ERRORS                   1

-

-#define USBHMSD_DEBUG_ENABLE_TRACE                    0

-#define USBHMSD_DEBUG_ENABLE_INFO                     1

-#define USBHMSD_DEBUG_ENABLE_WARNINGS                 1

-#define USBHMSD_DEBUG_ENABLE_ERRORS                   1

-

-#define USBHUVC_DEBUG_ENABLE_TRACE                    0

-#define USBHUVC_DEBUG_ENABLE_INFO                     1

-#define USBHUVC_DEBUG_ENABLE_WARNINGS                 1

-#define USBHUVC_DEBUG_ENABLE_ERRORS                   1

-

-#define USBHFTDI_DEBUG_ENABLE_TRACE                   0

-#define USBHFTDI_DEBUG_ENABLE_INFO                    1

-#define USBHFTDI_DEBUG_ENABLE_WARNINGS                1

-#define USBHFTDI_DEBUG_ENABLE_ERRORS                  1

+#define USBH_DEBUG_ENABLE_TRACE                       FALSE

+#define USBH_DEBUG_ENABLE_INFO                        TRUE

+#define USBH_DEBUG_ENABLE_WARNINGS                    TRUE

+#define USBH_DEBUG_ENABLE_ERRORS                      TRUE

+

+#define USBH_LLD_DEBUG_ENABLE_TRACE                   FALSE

+#define USBH_LLD_DEBUG_ENABLE_INFO                    TRUE

+#define USBH_LLD_DEBUG_ENABLE_WARNINGS                TRUE

+#define USBH_LLD_DEBUG_ENABLE_ERRORS                  TRUE

+

+#define USBHHUB_DEBUG_ENABLE_TRACE                    FALSE

+#define USBHHUB_DEBUG_ENABLE_INFO                     TRUE

+#define USBHHUB_DEBUG_ENABLE_WARNINGS                 TRUE

+#define USBHHUB_DEBUG_ENABLE_ERRORS                   TRUE

+

+#define USBHMSD_DEBUG_ENABLE_TRACE                    FALSE

+#define USBHMSD_DEBUG_ENABLE_INFO                     TRUE

+#define USBHMSD_DEBUG_ENABLE_WARNINGS                 TRUE

+#define USBHMSD_DEBUG_ENABLE_ERRORS                   TRUE

+

+#define USBHUVC_DEBUG_ENABLE_TRACE                    FALSE

+#define USBHUVC_DEBUG_ENABLE_INFO                     TRUE

+#define USBHUVC_DEBUG_ENABLE_WARNINGS                 TRUE

+#define USBHUVC_DEBUG_ENABLE_ERRORS                   TRUE

+

+#define USBHFTDI_DEBUG_ENABLE_TRACE                   FALSE

+#define USBHFTDI_DEBUG_ENABLE_INFO                    TRUE

+#define USBHFTDI_DEBUG_ENABLE_WARNINGS                TRUE

+#define USBHFTDI_DEBUG_ENABLE_ERRORS                  TRUE

 

 /*===========================================================================*/

 /* FSMCNAND driver related settings.                                         */

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/integer.h b/testhal/STM32/STM32F4xx/USB_HOST/integer.h
deleted file mode 100644
index 074a46b..0000000
--- a/testhal/STM32/STM32F4xx/USB_HOST/integer.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*-------------------------------------------*/

-/* Integer type definitions for FatFs module */

-/*-------------------------------------------*/

-

-#ifndef _FF_INTEGER

-#define _FF_INTEGER

-

-#ifdef _WIN32	/* FatFs development platform */

-

-#include <windows.h>

-#include <tchar.h>

-

-#else			/* Embedded platform */

-

-/* This type MUST be 8 bit */

-typedef unsigned char	BYTE;

-

-/* These types MUST be 16 bit */

-typedef short			SHORT;

-typedef unsigned short	WORD;

-typedef unsigned short	WCHAR;

-

-/* These types MUST be 16 bit or 32 bit */

-typedef int				INT;

-typedef unsigned int	UINT;

-

-/* These types MUST be 32 bit */

-typedef long			LONG;

-typedef unsigned long	DWORD;

-

-#endif

-

-#endif

diff --git a/testhal/STM32/STM32F4xx/USB_HOST/main.c b/testhal/STM32/STM32F4xx/USB_HOST/main.c
index 23470b8..9f0c8b3 100644
--- a/testhal/STM32/STM32F4xx/USB_HOST/main.c
+++ b/testhal/STM32/STM32F4xx/USB_HOST/main.c
@@ -85,7 +85,7 @@ static void ThreadTestFTDI(void *p) {
 	shellInit();

 

 start:

-	while (ftdipp->state != USBHFTDIP_STATE_ACTIVE) {

+	while (usbhftdipGetState(ftdipp) != USBHFTDIP_STATE_ACTIVE) {

 		chThdSleepMilliseconds(100);

 	}

 

@@ -119,13 +119,13 @@ start:
 	if (1) {

 		thread_t *shelltp = NULL;

 		for(;;) {

-			if (ftdipp->state != USBHFTDIP_STATE_READY)

+			if (usbhftdipGetState(ftdipp) != USBHFTDIP_STATE_READY)

 				goto start;

 			if (!shelltp) {

-				shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE, "shell", NORMALPRIO, shellThread, (void *) &shell_cfg1);

+				shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);

 			} else if (chThdTerminatedX(shelltp)) {

 				chThdRelease(shelltp);

-				if (ftdipp->state != USBHFTDIP_STATE_READY)

+				if (usbhftdipGetState(ftdipp) != USBHFTDIP_STATE_READY)

 					goto start;

 				break;

 			}

@@ -247,7 +247,7 @@ static void ThreadTestMSD(void *p) {
 	(void)p;

 

 	FATFS *fsp;

-	uint32_t clusters;

+	DWORD clusters;

 	FRESULT res;

 	BaseSequentialStream * const chp = (BaseSequentialStream *)&USBH_DEBUG_SD;

 	blkstate_t state;

@@ -373,15 +373,9 @@ start:
 }

 #endif

 

-

-

-

-

-

 int main(void) {

 

 	halInit();

-	usbhInit();

 	chSysInit();

 

 	//PA2(TX) and PA3(RX) are routed to USART2

@@ -395,18 +389,14 @@ int main(void) {
 #endif

 

 #if STM32_USBH_USE_OTG2

-	//USB_HS

-	//TODO: Initialize Pads

+#error "TODO: Initialize USB_HS pads"

 #endif

 

 #if HAL_USBH_USE_MSD

-	usbhmsdObjectInit(&USBHMSD[0]);

-	usbhmsdLUNObjectInit(&MSBLKD[0]);

 	chThdCreateStatic(waTestMSD, sizeof(waTestMSD), NORMALPRIO, ThreadTestMSD, 0);

 #endif

+

 #if HAL_USBH_USE_FTDI

-	usbhftdiObjectInit(&USBHFTDID[0]);

-	usbhftdipObjectInit(&FTDIPD[0]);

 	chThdCreateStatic(waTestFTDI, sizeof(waTestFTDI), NORMALPRIO, ThreadTestFTDI, 0);

 #endif