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-rw-r--r--lib/fatfs/diskio.h4
-rw-r--r--lib/fatfs/ffconf.h (renamed from lib/fatfs/ffconf_template.h)601
2 files changed, 339 insertions, 266 deletions
diff --git a/lib/fatfs/diskio.h b/lib/fatfs/diskio.h
index 9650f683fe..9726477baa 100644
--- a/lib/fatfs/diskio.h
+++ b/lib/fatfs/diskio.h
@@ -38,6 +38,10 @@ 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);
+/* Definitions of physical drive number for each media */
+#define PD_FLASH (0) /* Map FLASH drive to drive number 0 */
+#define PD_SDCARD (1) /* Map SDCARD drive to drive number 1 */
+#define PD_USER (2) /* Map USER mounts to drive number 2 */
/* Disk Status Bits (DSTATUS) */
diff --git a/lib/fatfs/ffconf_template.h b/lib/fatfs/ffconf.h
index 4dc4beb493..27e73e2b3f 100644
--- a/lib/fatfs/ffconf_template.h
+++ b/lib/fatfs/ffconf.h
@@ -1,266 +1,335 @@
-/*---------------------------------------------------------------------------/
-/ FatFs - FAT file system module configuration file R0.11 (C)ChaN, 2015
-/---------------------------------------------------------------------------*/
-
-#define _FFCONF 32020 /* Revision ID */
-
-/*---------------------------------------------------------------------------/
-/ Functions and Buffer Configurations
-/---------------------------------------------------------------------------*/
-
-#define _FS_TINY 0
-/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
-/ At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS
-/ bytes. Instead of private sector buffer eliminated from the file object,
-/ common sector buffer in the file system object (FATFS) is used for the file
-/ data transfer. */
-
-
-#define _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 _FS_MINIMIZE 0
-/* This option defines minimization level to remove some basic API functions.
-/
-/ 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
-/* This option switches string functions, f_gets(), f_putc(), f_puts() and
-/ f_printf().
-/
-/ 0: Disable string functions.
-/ 1: Enable without LF-CRLF conversion.
-/ 2: Enable with LF-CRLF conversion. */
-
-
-#define _USE_FIND 0
-/* This option switches filtered directory read feature and related functions,
-/ f_findfirst() and f_findnext(). (0:Disable or 1:Enable) */
-
-
-#define _USE_MKFS 0
-/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
-
-
-#define _USE_FASTSEEK 0
-/* This option switches fast seek feature. (0:Disable or 1:Enable) */
-
-
-#define _USE_LABEL 0
-/* This option switches volume label functions, f_getlabel() and f_setlabel().
-/ (0:Disable or 1:Enable) */
-
-
-#define _USE_FORWARD 0
-/* This option switches f_forward() function. (0:Disable or 1:Enable)
-/ To enable it, also _FS_TINY need to be set to 1. */
-
-
-/*---------------------------------------------------------------------------/
-/ Locale and Namespace Configurations
-/---------------------------------------------------------------------------*/
-
-#define _CODE_PAGE 932
-/* This option specifies the OEM code page to be used on the target system.
-/ Incorrect setting of the code page can cause a file open failure.
-/
-/ 1 - ASCII (No extended character. Non-LFN cfg. only)
-/ 437 - U.S.
-/ 720 - Arabic
-/ 737 - Greek
-/ 775 - Baltic
-/ 850 - Multilingual Latin 1
-/ 852 - Latin 2
-/ 855 - Cyrillic
-/ 857 - Turkish
-/ 858 - Multilingual Latin 1 + Euro
-/ 862 - Hebrew
-/ 866 - Russian
-/ 874 - Thai
-/ 932 - Japanese Shift_JIS (DBCS)
-/ 936 - Simplified Chinese GBK (DBCS)
-/ 949 - Korean (DBCS)
-/ 950 - Traditional Chinese Big5 (DBCS)
-*/
-
-
-#define _USE_LFN 0
-#define _MAX_LFN 255
-/* The _USE_LFN option switches the LFN feature.
-/
-/ 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.
-/
-/ When enable the LFN feature, Unicode handling functions (option/unicode.c) 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
-/* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode)
-/ To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE
-/ to 1. This option also affects behavior of string I/O functions. */
-
-
-#define _STRF_ENCODE 3
-/* When _LFN_UNICODE is 1, 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().
-/
-/ 0: ANSI/OEM
-/ 1: UTF-16LE
-/ 2: UTF-16BE
-/ 3: UTF-8
-/
-/ When _LFN_UNICODE is 0, this option has no effect. */
-
-
-#define _FS_RPATH 0
-/* This option configures relative path feature.
-/
-/ 0: Disable relative path feature and remove related functions.
-/ 1: Enable relative path feature. f_chdir() and f_chdrive() are available.
-/ 2: f_getcwd() function is available in addition to 1.
-/
-/ Note that directory items read via f_readdir() are affected by this option. */
-
-
-/*---------------------------------------------------------------------------/
-/ Drive/Volume Configurations
-/---------------------------------------------------------------------------*/
-
-#define _VOLUMES 1
-/* Number of volumes (logical drives) to be used. */
-
-
-#define _STR_VOLUME_ID 0
-#define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
-/* _STR_VOLUME_ID option switches string volume ID feature.
-/ 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: A-Z and 0-9. */
-
-
-#define _MULTI_PARTITION 0
-/* This option switches multi-partition feature. 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 multi-partition feature is enabled (1),
-/ each logical drive number is bound to arbitrary physical drive and partition
-/ listed in the VolToPart[]. Also f_fdisk() funciton will be available. */
-
-
-#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 type of memory cards 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_TRIM 0
-/* This option switches ATA-TRIM feature. (0:Disable or 1:Enable)
-/ To enable Trim feature, also CTRL_TRIM command should be implemented to the
-/ disk_ioctl() function. */
-
-
-#define _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.
-*/
-
-
-
-/*---------------------------------------------------------------------------/
-/ System Configurations
-/---------------------------------------------------------------------------*/
-
-#define _FS_NORTC 0
-#define _NORTC_MON 2
-#define _NORTC_MDAY 1
-#define _NORTC_YEAR 2015
-/* The _FS_NORTC option switches timestamp feature. If the system does not have
-/ an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
-/ the timestamp feature. All objects modified by FatFs will have a fixed timestamp
-/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
-/ When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need
-/ to be added to the project to read current time form RTC. _NORTC_MON,
-/ _NORTC_MDAY and _NORTC_YEAR have no effect.
-/ These options have no effect at read-only configuration (_FS_READONLY == 1). */
-
-
-#define _FS_LOCK 0
-/* The _FS_LOCK option switches file lock feature to control duplicated file open
-/ and illegal operation to open objects. This option must be 0 when _FS_READONLY
-/ is 1.
-/
-/ 0: Disable file lock feature. To avoid volume corruption, application program
-/ should avoid illegal open, remove and rename to the open objects.
-/ >0: Enable file lock feature. The value defines how many files/sub-directories
-/ can be opened simultaneously under file lock control. Note that the file
-/ lock feature is independent of re-entrancy. */
-
-
-#define _FS_REENTRANT 0
-#define _FS_TIMEOUT 1000
-#define _SYNC_t HANDLE
-/* The _FS_REENTRANT option 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 feature.
-/
-/ 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. Samples are available in
-/ option/syscall.c.
-/
-/ The _FS_TIMEOUT defines timeout period in unit of time tick.
-/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
-/ SemaphoreHandle_t and etc.. */
-
-
-#define _WORD_ACCESS 0
-/* 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 to ALL instructions.
-/ * Byte order on the memory is little-endian.
-/
-/ If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
-/ Following table shows allowable settings of some processor types.
-/
-/ ARM7TDMI 0 ColdFire 0 V850E 0
-/ Cortex-M3 0 Z80 0/1 V850ES 0/1
-/ Cortex-M0 0 x86 0/1 TLCS-870 0/1
-/ AVR 0/1 RX600(LE) 0/1 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 8051 0/1
-*/
-
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * Original file from:
+ * FatFs - FAT file system module configuration file R0.10c (C)ChaN, 2014
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013, 2014 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/*---------------------------------------------------------------------------/
+/---------------------------------------------------------------------------*/
+
+#ifndef _FFCONF
+#define _FFCONF 32020 /* Revision ID */
+
+#include "py/mpconfig.h"
+
+/*---------------------------------------------------------------------------/
+/ Functions and Buffer Configurations
+/---------------------------------------------------------------------------*/
+
+#define _FS_TINY 1
+/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
+/ At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS
+/ bytes. Instead of private sector buffer eliminated from the file object,
+/ common sector buffer in the file system object (FATFS) is used for the file
+/ data transfer. */
+
+
+#define _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 _FS_MINIMIZE 0
+/* This option defines minimization level to remove some basic API functions.
+/
+/ 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
+/* This option switches string functions, f_gets(), f_putc(), f_puts() and
+/ f_printf().
+/
+/ 0: Disable string functions.
+/ 1: Enable without LF-CRLF conversion.
+/ 2: Enable with LF-CRLF conversion. */
+
+
+#define _USE_FIND 0
+/* This option switches filtered directory read feature and related functions,
+/ f_findfirst() and f_findnext(). (0:Disable or 1:Enable) */
+
+
+#define _USE_MKFS 1
+/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
+
+
+#define _USE_FASTSEEK 0
+/* This option switches fast seek feature. (0:Disable or 1:Enable) */
+
+#ifdef MICROPY_FATFS_USE_LABEL
+#define _USE_LABEL (MICROPY_FATFS_USE_LABEL)
+#else
+#define _USE_LABEL 0
+#endif
+/* This option switches volume label functions, f_getlabel() and f_setlabel().
+/ (0:Disable or 1:Enable) */
+
+
+#define _USE_FORWARD 0
+/* This option switches f_forward() function. (0:Disable or 1:Enable)
+/ To enable it, also _FS_TINY need to be set to 1. */
+
+
+/*---------------------------------------------------------------------------/
+/ Locale and Namespace Configurations
+/---------------------------------------------------------------------------*/
+#ifdef MICROPY_FATFS_LFN_CODE_PAGE
+#define _CODE_PAGE (MICROPY_FATFS_LFN_CODE_PAGE)
+#else
+#define _CODE_PAGE 1
+#endif
+/* This option specifies the OEM code page to be used on the target system.
+/ Incorrect setting of the code page can cause a file open failure.
+/
+/ 1 - ASCII (No extended character. Non-LFN cfg. only)
+/ 437 - U.S.
+/ 720 - Arabic
+/ 737 - Greek
+/ 775 - Baltic
+/ 850 - Multilingual Latin 1
+/ 852 - Latin 2
+/ 855 - Cyrillic
+/ 857 - Turkish
+/ 858 - Multilingual Latin 1 + Euro
+/ 862 - Hebrew
+/ 866 - Russian
+/ 874 - Thai
+/ 932 - Japanese Shift_JIS (DBCS)
+/ 936 - Simplified Chinese GBK (DBCS)
+/ 949 - Korean (DBCS)
+/ 950 - Traditional Chinese Big5 (DBCS)
+*/
+
+#ifdef MICROPY_FATFS_ENABLE_LFN
+#define _USE_LFN (MICROPY_FATFS_ENABLE_LFN)
+#else
+#define _USE_LFN 0
+#endif
+#ifdef MICROPY_FATFS_MAX_LFN
+#define _MAX_LFN (MICROPY_FATFS_MAX_LFN)
+#else
+#define _MAX_LFN 255
+#endif
+/* The _USE_LFN option switches the LFN feature.
+/
+/ 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.
+/
+/ When enable the LFN feature, Unicode handling functions (option/unicode.c) 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
+/* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode)
+/ To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE
+/ to 1. This option also affects behavior of string I/O functions. */
+
+
+#define _STRF_ENCODE 3
+/* When _LFN_UNICODE is 1, 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().
+/
+/ 0: ANSI/OEM
+/ 1: UTF-16LE
+/ 2: UTF-16BE
+/ 3: UTF-8
+/
+/ When _LFN_UNICODE is 0, this option has no effect. */
+
+#ifdef MICROPY_FATFS_RPATH
+#define _FS_RPATH (MICROPY_FATFS_RPATH)
+#else
+#define _FS_RPATH 0
+#endif
+/* This option configures relative path feature.
+/
+/ 0: Disable relative path feature and remove related functions.
+/ 1: Enable relative path feature. f_chdir() and f_chdrive() are available.
+/ 2: f_getcwd() function is available in addition to 1.
+/
+/ Note that directory items read via f_readdir() are affected by this option. */
+
+
+/*---------------------------------------------------------------------------/
+/ Drive/Volume Configurations
+/---------------------------------------------------------------------------*/
+
+#ifdef MICROPY_FATFS_VOLUMES
+#define _VOLUMES (MICROPY_FATFS_VOLUMES)
+#else
+#define _VOLUMES 1
+#endif
+/* Number of volumes (logical drives) to be used. */
+
+
+#define _STR_VOLUME_ID 0
+#define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
+/* _STR_VOLUME_ID option switches string volume ID feature.
+/ 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: A-Z and 0-9. */
+
+#ifdef MICROPY_FATFS_MULTI_PARTITION
+#define _MULTI_PARTITION (MICROPY_FATFS_MULTI_PARTITION)
+#else
+#define _MULTI_PARTITION 0
+#endif
+/* This option switches multi-partition feature. 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 multi-partition feature is enabled (1),
+/ each logical drive number is bound to arbitrary physical drive and partition
+/ listed in the VolToPart[]. Also f_fdisk() funciton will be available. */
+
+
+#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 type of memory cards 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_TRIM 0
+/* This option switches ATA-TRIM feature. (0:Disable or 1:Enable)
+/ To enable Trim feature, also CTRL_TRIM command should be implemented to the
+/ disk_ioctl() function. */
+
+
+#define _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.
+*/
+
+
+
+/*---------------------------------------------------------------------------/
+/ System Configurations
+/---------------------------------------------------------------------------*/
+
+#define _FS_NORTC 0
+#define _NORTC_MON 2
+#define _NORTC_MDAY 1
+#define _NORTC_YEAR 2015
+/* The _FS_NORTC option switches timestamp feature. If the system does not have
+/ an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
+/ the timestamp feature. All objects modified by FatFs will have a fixed timestamp
+/ defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
+/ When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need
+/ to be added to the project to read current time form RTC. _NORTC_MON,
+/ _NORTC_MDAY and _NORTC_YEAR have no effect.
+/ These options have no effect at read-only configuration (_FS_READONLY == 1). */
+
+
+#define _FS_LOCK 0
+/* The _FS_LOCK option switches file lock feature to control duplicated file open
+/ and illegal operation to open objects. This option must be 0 when _FS_READONLY
+/ is 1.
+/
+/ 0: Disable file lock feature. To avoid volume corruption, application program
+/ should avoid illegal open, remove and rename to the open objects.
+/ >0: Enable file lock feature. The value defines how many files/sub-directories
+/ can be opened simultaneously under file lock control. Note that the file
+/ lock feature is independent of re-entrancy. */
+
+#ifdef MICROPY_FATFS_REENTRANT
+#define _FS_REENTRANT (MICROPY_FATFS_REENTRANT)
+#else
+#define _FS_REENTRANT 0
+#endif
+
+// milliseconds
+#ifdef MICROPY_FATFS_TIMEOUT
+#define _FS_TIMEOUT (MICROPY_FATFS_TIMEOUT)
+#else
+#define _FS_TIMEOUT 1000
+#endif
+
+#ifdef MICROPY_FATFS_SYNC_T
+#define _SYNC_t MICROPY_FATFS_SYNC_T
+#else
+#define _SYNC_t HANDLE
+#endif
+/* The _FS_REENTRANT option 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 feature.
+/
+/ 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. Samples are available in
+/ option/syscall.c.
+/
+/ The _FS_TIMEOUT defines timeout period in unit of time tick.
+/ The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
+/ SemaphoreHandle_t and etc.. */
+
+
+#define _WORD_ACCESS 0
+/* 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 to ALL instructions.
+/ * Byte order on the memory is little-endian.
+/
+/ If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
+/ Following table shows allowable settings of some processor types.
+/
+/ ARM7TDMI 0 ColdFire 0 V850E 0
+/ Cortex-M3 0 Z80 0/1 V850ES 0/1
+/ Cortex-M0 0 x86 0/1 TLCS-870 0/1
+/ AVR 0/1 RX600(LE) 0/1 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 8051 0/1
+*/
+
+#endif // _FFCONF
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-01 08:05:21 +0000