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diff --git a/fw/fe310/fsfat/ffconf.h b/fw/fe310/fsfat/ffconf.h
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index e822ee0..0000000
--- a/fw/fe310/fsfat/ffconf.h
+++ /dev/null
@@ -1,301 +0,0 @@
-/*---------------------------------------------------------------------------/

-/  FatFs Functional Configurations

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

-

-#define FFCONF_DEF	86631	/* Revision ID */

-

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

-/ Function Configurations

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

-

-#define FF_FS_READONLY	0

-/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)

-/  Read-only configuration removes writing API functions, f_write(), f_sync(),

-/  f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()

-/  and optional writing functions as well. */

-

-

-#define FF_FS_MINIMIZE	0

-/* This option defines minimization level to remove some basic API functions.

-/

-/   0: Basic functions are fully enabled.

-/   1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()

-/      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 FF_USE_FIND		1

-/* This option switches filtered directory read functions, f_findfirst() and

-/  f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */

-

-

-#define FF_USE_MKFS		1

-/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */

-

-

-#define FF_USE_FASTSEEK	0

-/* This option switches fast seek function. (0:Disable or 1:Enable) */

-

-

-#define FF_USE_EXPAND	1

-/* This option switches f_expand function. (0:Disable or 1:Enable) */

-

-

-#define FF_USE_CHMOD	1

-/* This option switches attribute manipulation functions, f_chmod() and f_utime().

-/  (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */

-

-

-#define FF_USE_LABEL	1

-/* This option switches volume label functions, f_getlabel() and f_setlabel().

-/  (0:Disable or 1:Enable) */

-

-

-#define FF_USE_FORWARD	1

-/* This option switches f_forward() function. (0:Disable or 1:Enable) */

-

-

-#define FF_USE_STRFUNC	0

-#define FF_PRINT_LLI	0

-#define FF_PRINT_FLOAT	0

-#define FF_STRF_ENCODE	0

-/* FF_USE_STRFUNC switches string functions, f_gets(), f_putc(), f_puts() and

-/  f_printf().

-/

-/   0: Disable. FF_PRINT_LLI, FF_PRINT_FLOAT and FF_STRF_ENCODE have no effect.

-/   1: Enable without LF-CRLF conversion.

-/   2: Enable with LF-CRLF conversion.

-/

-/  FF_PRINT_LLI = 1 makes f_printf() support long long argument and FF_PRINT_FLOAT = 1/2

-   makes f_printf() support floating point argument. These features want C99 or later.

-/  When FF_LFN_UNICODE >= 1 with LFN enabled, string functions convert the character

-/  encoding in it. FF_STRF_ENCODE selects assumption of character encoding ON THE FILE

-/  to be read/written via those functions.

-/

-/   0: ANSI/OEM in current CP

-/   1: Unicode in UTF-16LE

-/   2: Unicode in UTF-16BE

-/   3: Unicode in UTF-8

-*/

-

-

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

-/ Locale and Namespace Configurations

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

-

-#define FF_CODE_PAGE	437

-/* This option specifies the OEM code page to be used on the target system.

-/  Incorrect code page setting can cause a file open failure.

-/

-/   437 - U.S.

-/   720 - Arabic

-/   737 - Greek

-/   771 - KBL

-/   775 - Baltic

-/   850 - Latin 1

-/   852 - Latin 2

-/   855 - Cyrillic

-/   857 - Turkish

-/   860 - Portuguese

-/   861 - Icelandic

-/   862 - Hebrew

-/   863 - Canadian French

-/   864 - Arabic

-/   865 - Nordic

-/   866 - Russian

-/   869 - Greek 2

-/   932 - Japanese (DBCS)

-/   936 - Simplified Chinese (DBCS)

-/   949 - Korean (DBCS)

-/   950 - Traditional Chinese (DBCS)

-/     0 - Include all code pages above and configured by f_setcp()

-*/

-

-

-#define FF_USE_LFN		0

-#define FF_MAX_LFN		255

-/* The FF_USE_LFN switches the support for LFN (long file name).

-/

-/   0: Disable LFN. FF_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.

-/

-/  To enable the LFN, ffunicode.c needs to be added to the project. The LFN function

-/  requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and

-/  additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.

-/  The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can

-/  be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN

-/  specification.

-/  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() exemplified in ffsystem.c, need to be added to the project. */

-

-

-#define FF_LFN_UNICODE	0

-/* This option switches the character encoding on the API when LFN is enabled.

-/

-/   0: ANSI/OEM in current CP (TCHAR = char)

-/   1: Unicode in UTF-16 (TCHAR = WCHAR)

-/   2: Unicode in UTF-8 (TCHAR = char)

-/   3: Unicode in UTF-32 (TCHAR = DWORD)

-/

-/  Also behavior of string I/O functions will be affected by this option.

-/  When LFN is not enabled, this option has no effect. */

-

-

-#define FF_LFN_BUF		255

-#define FF_SFN_BUF		12

-/* This set of options defines size of file name members in the FILINFO structure

-/  which is used to read out directory items. These values should be suffcient for

-/  the file names to read. The maximum possible length of the read file name depends

-/  on character encoding. When LFN is not enabled, these options have no effect. */

-

-

-#define FF_FS_RPATH		0

-/* This option configures support for relative path.

-/

-/   0: Disable relative path and remove related functions.

-/   1: Enable relative path. f_chdir() and f_chdrive() are available.

-/   2: f_getcwd() function is available in addition to 1.

-*/

-

-

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

-/ Drive/Volume Configurations

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

-

-#define FF_VOLUMES		1

-/* Number of volumes (logical drives) to be used. (1-10) */

-

-

-#define FF_STR_VOLUME_ID	0

-#define FF_VOLUME_STRS		"RAM","NAND","CF","SD","SD2","USB","USB2","USB3"

-/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.

-/  When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive

-/  number in the path name. FF_VOLUME_STRS defines the volume ID strings for each

-/  logical drives. Number of items must not be less than FF_VOLUMES. Valid

-/  characters for the volume ID strings are A-Z, a-z and 0-9, however, they are

-/  compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is

-/  not defined, a user defined volume string table needs to be defined as:

-/

-/  const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...

-*/

-

-

-#define FF_MULTI_PARTITION	1

-/* This option switches support for multiple volumes on the physical drive.

-/  By default (0), each logical drive number is bound to the same physical drive

-/  number and only an FAT volume found on the physical drive will be mounted.

-/  When this function is enabled (1), each logical drive number can be bound to

-/  arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()

-/  funciton will be available. */

-

-

-#define FF_MIN_SS		512

-#define FF_MAX_SS		512

-/* This set of options configures the range of sector size to be supported. (512,

-/  1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and

-/  harddisk, but a larger value may be required for on-board flash memory and some

-/  type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured

-/  for variable sector size mode and disk_ioctl() function needs to implement

-/  GET_SECTOR_SIZE command. */

-

-

-#define FF_LBA64		0

-/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)

-/  To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */

-

-

-#define FF_MIN_GPT		0x10000000

-/* Minimum number of sectors to switch GPT as partitioning format in f_mkfs and

-/  f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */

-

-

-#define FF_USE_TRIM		1

-/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)

-/  To enable Trim function, also CTRL_TRIM command should be implemented to the

-/  disk_ioctl() function. */

-

-

-

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

-/ System Configurations

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

-

-#define FF_FS_TINY		1

-/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)

-/  At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.

-/  Instead of private sector buffer eliminated from the file object, common sector

-/  buffer in the filesystem object (FATFS) is used for the file data transfer. */

-

-

-#define FF_FS_EXFAT		0

-/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)

-/  To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)

-/  Note that enabling exFAT discards ANSI C (C89) compatibility. */

-

-

-#define FF_FS_NORTC		1

-#define FF_NORTC_MON	1

-#define FF_NORTC_MDAY	1

-#define FF_NORTC_YEAR	2020

-/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have

-/  any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable

-/  the timestamp function. Every object modified by FatFs will have a fixed timestamp

-/  defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.

-/  To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be

-/  added to the project to read current time form real-time clock. FF_NORTC_MON,

-/  FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.

-/  These options have no effect in read-only configuration (FF_FS_READONLY = 1). */

-

-

-#define FF_FS_NOFSINFO	0

-/* 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 use of last allocated cluster number.

-/

-/  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.

-*/

-

-

-#define FF_FS_LOCK		0

-/* The option FF_FS_LOCK switches file lock function to control duplicated file open

-/  and illegal operation to open objects. This option must be 0 when FF_FS_READONLY

-/  is 1.

-/

-/  0:  Disable file lock function. To avoid volume corruption, application program

-/      should avoid illegal open, remove and rename to the open objects.

-/  >0: Enable file lock function. The value defines how many files/sub-directories

-/      can be opened simultaneously under file lock control. Note that the file

-/      lock control is independent of re-entrancy. */

-

-

-/* #include <somertos.h>	// O/S definitions */

-#define FF_FS_REENTRANT	0

-#define FF_FS_TIMEOUT	1000

-#define FF_SYNC_t		HANDLE

-/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs

-/  module itself. Note that regardless of this option, file access to different

-/  volume is always re-entrant and volume control functions, f_mount(), f_mkfs()

-/  and f_fdisk() function, are always not re-entrant. Only file/directory access

-/  to the same volume is under control of this function.

-/

-/   0: Disable re-entrancy. FF_FS_TIMEOUT and FF_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. Samples are available in

-/      option/syscall.c.

-/

-/  The FF_FS_TIMEOUT defines timeout period in unit of time tick.

-/  The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,

-/  SemaphoreHandle_t and etc. A header file for O/S definitions needs to be

-/  included somewhere in the scope of ff.h. */

-

-

-

-/*--- End of configuration options ---*/