git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7631 35acf78f-673a-0410-8e92-d51de3d6d3f4

4 files changed, 185 insertions, 97 deletions

diff --git a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/Makefile b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/Makefile
index 5013c9bb5..e4cc74c07 100644
--- a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/Makefile
+++ b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/Makefile
@@ -40,7 +40,7 @@ endif
 
 # Enable this if you want to see the full log while compiling.
 ifeq ($(USE_VERBOSE_COMPILE),)
-  USE_VERBOSE_COMPILE = yes
+  USE_VERBOSE_COMPILE = no
 endif
 
 #
diff --git a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/debug/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB (OpenOCD, Flash and Run).launch b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/debug/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB (OpenOCD, Flash and Run).launch
new file mode 100644
index 000000000..752c7ee3a
--- /dev/null
+++ b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/debug/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB (OpenOCD, Flash and Run).launch
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>

+<launchConfiguration type="org.eclipse.cdt.debug.gdbjtag.launchConfigurationType">

+<stringAttribute key="bad_container_name" value="\RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB\debug"/>

+<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.delay" value="1"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doHalt" value="true"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doReset" value="true"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageFileName" value=""/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageOffset" value=""/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value="set remotetimeout 20&#13;&#10;monitor reset init&#13;&#10;monitor sleep 50&#13;&#10;"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDevice" value="Generic TCP/IP"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="true"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadSymbols" value="true"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>

+<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="3333"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.runCommands" value=""/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="true"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>

+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForImage" value="false"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForSymbols" value="false"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForImage" value="true"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForSymbols" value="true"/>

+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useRemoteTarget" value="true"/>

+<stringAttribute key="org.eclipse.cdt.debug.mi.core.DEBUG_NAME" value="arm-none-eabi-gdb"/>

+<stringAttribute key="org.eclipse.cdt.debug.mi.core.commandFactory" value="Standard"/>

+<stringAttribute key="org.eclipse.cdt.debug.mi.core.protocol" value="mi"/>

+<booleanAttribute key="org.eclipse.cdt.debug.mi.core.verboseMode" value="false"/>

+<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="arm-none-eabi-gdb"/>

+<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>

+<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>

+<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>

+<stringAttribute key="org.eclipse.cdt.launch.FORMAT" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;contentList/&gt;"/>

+<stringAttribute key="org.eclipse.cdt.launch.GLOBAL_VARIABLES" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;globalVariableList/&gt;&#13;&#10;"/>

+<stringAttribute key="org.eclipse.cdt.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList/&gt;&#13;&#10;"/>

+<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="./build/ch.elf"/>

+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB"/>

+<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="true"/>

+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="0.114656749"/>

+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">

+<listEntry value="/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB"/>

+</listAttribute>

+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">

+<listEntry value="4"/>

+</listAttribute>

+<listAttribute key="org.eclipse.debug.ui.favoriteGroups">

+<listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>

+</listAttribute>

+</launchConfiguration>

diff --git a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/ffconf.h b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/ffconf.h
index 5dbf4e148..fe632d171 100644
--- a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/ffconf.h
+++ b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/ffconf.h
@@ -2,69 +2,69 @@
 #include "ch.h"
 
 /*---------------------------------------------------------------------------/
-/  FatFs - FAT file system module configuration file  R0.09  (C)ChaN, 2011
-/----------------------------------------------------------------------------/
-/
-/ CAUTION! Do not forget to make clean the project after any changes to
-/ the configuration options.
-/
-/----------------------------------------------------------------------------*/
+/  FatFs - FAT file system module configuration file  R0.10b (C)ChaN, 2014
+/---------------------------------------------------------------------------*/
+
 #ifndef _FFCONF
-#define _FFCONF 6502	/* Revision ID */
+#define _FFCONF 8051    /* Revision ID */
 
 
 /*---------------------------------------------------------------------------/
 / Functions and Buffer Configurations
-/----------------------------------------------------------------------------*/
+/---------------------------------------------------------------------------*/
 
-#define	_FS_TINY		0	/* 0:Normal or 1:Tiny */
-/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
-/  object instead of the sector buffer in the individual file object for file
-/  data transfer. This reduces memory consumption 512 bytes each file object. */
+#define _FS_TINY        0   /* 0:Normal or 1:Tiny */
+/* When _FS_TINY is set to 1, it reduces memory consumption _MAX_SS bytes each
+/  file object. For file data transfer, FatFs uses the common sector buffer in
+/  the file system object (FATFS) instead of private sector buffer eliminated
+/  from the file object (FIL). */
 
 
-#define _FS_READONLY	0	/* 0:Read/Write or 1:Read only */
+#define _FS_READONLY    0   /* 0:Read/Write or 1:Read only */
 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
-/  writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
-/  f_truncate and useless f_getfree. */
+/  writing functions, f_write(), f_sync(), f_unlink(), f_mkdir(), f_chmod(),
+/  f_rename(), f_truncate() and useless f_getfree(). */
 
 
-#define _FS_MINIMIZE	0	/* 0 to 3 */
-/* The _FS_MINIMIZE option defines minimization level to remove some functions.
+#define _FS_MINIMIZE    0   /* 0 to 3 */
+/* The _FS_MINIMIZE option defines minimization level to remove API functions.
 /
-/   0: Full function.
-/   1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
-/      are removed.
-/   2: f_opendir and f_readdir are removed in addition to 1.
-/   3: f_lseek is removed in addition to 2. */
+/   0: All basic functions are enabled.
+/   1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(),
+/      f_truncate() and f_rename() function are removed.
+/   2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
+/   3: f_lseek() function is removed in addition to 2. */
 
 
-#define	_USE_STRFUNC	0	/* 0:Disable or 1-2:Enable */
+#define _USE_STRFUNC    0   /* 0:Disable or 1-2:Enable */
 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
 
 
-#define	_USE_MKFS		0	/* 0:Disable or 1:Enable */
-/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
+#define _USE_MKFS       0   /* 0:Disable or 1:Enable */
+/* To enable f_mkfs() function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
 
 
-#define	_USE_FORWARD	0	/* 0:Disable or 1:Enable */
-/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
+#define _USE_FASTSEEK   0   /* 0:Disable or 1:Enable */
+/* To enable fast seek feature, set _USE_FASTSEEK to 1. */
 
 
-#define	_USE_FASTSEEK	0	/* 0:Disable or 1:Enable */
-/* To enable fast seek feature, set _USE_FASTSEEK to 1. */
+#define _USE_LABEL      0   /* 0:Disable or 1:Enable */
+/* To enable volume label functions, set _USE_LAVEL to 1 */
+
 
+#define _USE_FORWARD    0   /* 0:Disable or 1:Enable */
+/* To enable f_forward() function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
 
 
 /*---------------------------------------------------------------------------/
 / Locale and Namespace Configurations
-/----------------------------------------------------------------------------*/
+/---------------------------------------------------------------------------*/
 
-#define _CODE_PAGE	1252
+#define _CODE_PAGE  1252
 /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
 /  Incorrect setting of the code page can cause a file open failure.
 /
-/   932  - Japanese Shift-JIS (DBCS, OEM, Windows)
+/   932  - Japanese Shift_JIS (DBCS, OEM, Windows)
 /   936  - Simplified Chinese GBK (DBCS, OEM, Windows)
 /   949  - Korean (DBCS, OEM, Windows)
 /   950  - Traditional Chinese Big5 (DBCS, OEM, Windows)
@@ -89,105 +89,142 @@
 /   857  - Turkish (OEM)
 /   862  - Hebrew (OEM)
 /   874  - Thai (OEM, Windows)
-/	1    - ASCII only (Valid for non LFN cfg.)
-*/
+/   1    - ASCII (Valid for only non-LFN configuration) */
 
 
-#define	_USE_LFN	3		/* 0 to 3 */
-#define	_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */
-/* The _USE_LFN option switches the LFN support.
+#define _USE_LFN    3       /* 0 to 3 */
+#define _MAX_LFN    255     /* Maximum LFN length to handle (12 to 255) */
+/* The _USE_LFN option switches the LFN feature.
 /
-/   0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
-/   1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
+/   0: Disable LFN feature. _MAX_LFN has no effect.
+/   1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
 /   2: Enable LFN with dynamic working buffer on the STACK.
 /   3: Enable LFN with dynamic working buffer on the HEAP.
 /
-/  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
-/  Unicode handling functions ff_convert() and ff_wtoupper() must be added
-/  to the project. When enable to use heap, memory control functions
-/  ff_memalloc() and ff_memfree() must be added to the project. */
+/  When enable LFN feature, Unicode handling functions ff_convert() and ff_wtoupper()
+/  function must be added to the project.
+/  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When use stack for the
+/  working buffer, take care on stack overflow. When use heap memory for the working
+/  buffer, memory management functions, ff_memalloc() and ff_memfree(), must be added
+/  to the project. */
+
+
+#define _LFN_UNICODE    0   /* 0:ANSI/OEM or 1:Unicode */
+/* To switch the character encoding on the FatFs API (TCHAR) to Unicode, enable LFN
+/  feature and set _LFN_UNICODE to 1. This option affects behavior of string I/O
+/  functions. This option must be 0 when LFN feature is not enabled. */
 
 
-#define	_LFN_UNICODE	0	/* 0:ANSI/OEM or 1:Unicode */
-/* To switch the character code set on FatFs API to Unicode,
-/  enable LFN feature and set _LFN_UNICODE to 1. */
+#define _STRF_ENCODE    3   /* 0:ANSI/OEM, 1:UTF-16LE, 2:UTF-16BE, 3:UTF-8 */
+/* When Unicode API is enabled by _LFN_UNICODE option, this option selects the character
+/  encoding on the file to be read/written via string I/O functions, f_gets(), f_putc(),
+/  f_puts and f_printf(). This option has no effect when Unicode API is not enabled. */
 
 
-#define _FS_RPATH		0	/* 0 to 2 */
+#define _FS_RPATH       0   /* 0 to 2 */
 /* The _FS_RPATH option configures relative path feature.
 /
 /   0: Disable relative path feature and remove related functions.
-/   1: Enable relative path. f_chdrive() and f_chdir() are available.
-/   2: f_getcwd() is available in addition to 1.
+/   1: Enable relative path. f_chdrive() and f_chdir() function are available.
+/   2: f_getcwd() function is available in addition to 1.
 /
-/  Note that output of the f_readdir fnction is affected by this option. */
-
+/  Note that output of the f_readdir() fnction is affected by this option. */
 
 
 /*---------------------------------------------------------------------------/
-/ Physical Drive Configurations
-/----------------------------------------------------------------------------*/
+/ Drive/Volume Configurations
+/---------------------------------------------------------------------------*/
 
-#define _VOLUMES	1
+#define _VOLUMES    1
 /* Number of volumes (logical drives) to be used. */
 
 
-#define	_MAX_SS		512		/* 512, 1024, 2048 or 4096 */
-/* Maximum sector size to be handled.
-/  Always set 512 for memory card and hard disk but a larger value may be
-/  required for on-board flash memory, floppy disk and optical disk.
-/  When _MAX_SS is larger than 512, it configures FatFs to variable sector size
-/  and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
+#define _STR_VOLUME_ID  0   /* 0:Use only 0-9 for drive ID, 1:Use strings for drive ID */
+#define _VOLUME_STRS    "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
+/* When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
+/  number in the path name. _VOLUME_STRS defines the drive ID strings for each logical
+/  drives. Number of items must be equal to _VOLUMES. Valid characters for the drive ID
+/  strings are: 0-9 and A-Z. */
 
 
-#define	_MULTI_PARTITION	0	/* 0:Single partition, 1/2:Enable multiple partition */
-/* When set to 0, each volume is bound to the same physical drive number and
-/ it can mount only first primaly partition. When it is set to 1, each volume
-/ is tied to the partitions listed in VolToPart[]. */
+#define _MULTI_PARTITION    0   /* 0:Single partition, 1:Enable multiple partition */
+/* By default(0), each logical drive number is bound to the same physical drive number
+/  and only a FAT volume found on the physical drive is mounted. When it is set to 1,
+/  each logical drive number is bound to arbitrary drive/partition listed in VolToPart[].
+*/
 
 
-#define	_USE_ERASE	0	/* 0:Disable or 1:Enable */
-/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
-/  should be added to the disk_ioctl functio. */
+#define _MIN_SS     512
+#define _MAX_SS     512
+/* These options configure the range of sector size to be supported. (512, 1024, 2048 or
+/  4096) Always set both 512 for most systems, all memory card and harddisk. But a larger
+/  value may be required for on-board flash memory and some type of optical media.
+/  When _MAX_SS is larger than _MIN_SS, FatFs is configured to variable sector size and
+/  GET_SECTOR_SIZE command must be implemented to the disk_ioctl() function. */
 
 
+#define _USE_ERASE  0   /* 0:Disable or 1:Enable */
+/* To enable sector erase feature, set _USE_ERASE to 1. Also CTRL_ERASE_SECTOR command
+/  should be added to the disk_ioctl() function. */
 
-/*---------------------------------------------------------------------------/
-/ System Configurations
-/----------------------------------------------------------------------------*/
 
-#define _WORD_ACCESS	0	/* 0 or 1 */
-/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
-/  option defines which access method is used to the word data on the FAT volume.
-/
-/   0: Byte-by-byte access.
-/   1: Word access. Do not choose this unless following condition is met.
+#define _FS_NOFSINFO    0   /* 0 to 3 */
+/* If you need to know correct free space on the FAT32 volume, set bit 0 of this option
+/  and f_getfree() function at first time after volume mount will force a full FAT scan.
+/  Bit 1 controls the last allocated cluster number as bit 0.
 /
-/  When the byte order on the memory is big-endian or address miss-aligned word
-/  access results incorrect behavior, the _WORD_ACCESS must be set to 0.
-/  If it is not the case, the value can also be set to 1 to improve the
-/  performance and code size.
+/  bit0=0: Use free cluster count in the FSINFO if available.
+/  bit0=1: Do not trust free cluster count in the FSINFO.
+/  bit1=0: Use last allocated cluster number in the FSINFO if available.
+/  bit1=1: Do not trust last allocated cluster number in the FSINFO.
 */
 
 
-/* A header file that defines sync object types on the O/S, such as
-/  windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
 
-#define _FS_REENTRANT	1		/* 0:Disable or 1:Enable */
-#define _FS_TIMEOUT		1000	/* Timeout period in unit of time ticks */
-#define	_SYNC_t			Semaphore * /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
+/*---------------------------------------------------------------------------/
+/ System Configurations
+/---------------------------------------------------------------------------*/
+
+#define _FS_LOCK    0   /* 0:Disable or >=1:Enable */
+/* To enable file lock control feature, set _FS_LOCK to non-zero value.
+/  The value defines how many files/sub-directories can be opened simultaneously
+/  with file lock control. This feature uses bss _FS_LOCK * 12 bytes. */
+
 
-/* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
+#define _FS_REENTRANT   0       /* 0:Disable or 1:Enable */
+#define _FS_TIMEOUT     1000    /* Timeout period in unit of time tick */
+#define _SYNC_t         semaphore_t*    /* O/S dependent sync object type. e.g. HANDLE, OS_EVENT*, ID, SemaphoreHandle_t and etc.. */
+/* The _FS_REENTRANT option switches the re-entrancy (thread safe) of the FatFs module.
 /
-/   0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
-/   1: Enable reentrancy. Also user provided synchronization handlers,
-/      ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
-/      function must be added to the project. */
+/   0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect.
+/   1: Enable re-entrancy. Also user provided synchronization handlers,
+/      ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
+/      function must be added to the project.
+*/
 
 
-#define	_FS_SHARE	0	/* 0:Disable or >=1:Enable */
-/* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value
-   defines how many files can be opened simultaneously. */
+#define _WORD_ACCESS    0   /* 0 or 1 */
+/* The _WORD_ACCESS option is an only platform dependent option. It defines
+/  which access method is used to the word data on the FAT volume.
+/
+/   0: Byte-by-byte access. Always compatible with all platforms.
+/   1: Word access. Do not choose this unless under both the following conditions.
+/
+/  * Address misaligned memory access is always allowed for ALL instructions.
+/  * Byte order on the memory is little-endian.
+/
+/  If it is the case, _WORD_ACCESS can also be set to 1 to improve performance and
+/  reduce code size. Following table shows an example of some processor types.
+/
+/   ARM7TDMI    0           ColdFire    0           V850E2      0
+/   Cortex-M3   0           Z80         0/1         V850ES      0/1
+/   Cortex-M0   0           RX600(LE)   0/1         TLCS-870    0/1
+/   AVR         0/1         RX600(BE)   0           TLCS-900    0/1
+/   AVR32       0           RL78        0           R32C        0
+/   PIC18       0/1         SH-2        0           M16C        0/1
+/   PIC24       0           H8S         0           MSP430      0
+/   PIC32       0           H8/300H     0           x86         0/1
+*/
 
 
-#endif /* _FFCONFIG */
+#endif /* _FFCONF */
diff --git a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
index 1e380d6bd..b79169664 100644
--- a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
+++ b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
@@ -454,7 +454,6 @@ static const SerialUSBConfig serusbcfg = {
   USBD2_INTERRUPT_REQUEST_EP
 };
 
-
 /*===========================================================================*/
 /* Command line related.                                                     */
 /*===========================================================================*/