zephyr/modules/fatfs/zephyr_fatfs_config.h

111 lines
3.0 KiB
C

/*
* Copyright (c) 2022 Nordic Semiconductor ASA
* Copyright (c) 2023 Husqvarna AB
*
* SPDX-License-Identifier: Apache-2.0
*/
#if FFCONF_DEF != 80286
#error "Configuration version mismatch"
#endif
/*
* Overrides of FF_ options from ffconf.h
*/
#if defined(CONFIG_FS_FATFS_READ_ONLY)
#undef FF_FS_READONLY
#define FF_FS_READONLY CONFIG_FS_FATFS_READ_ONLY
#endif /* defined(CONFIG_FS_FATFS_READ_ONLY) */
#if defined(CONFIG_FS_FATFS_MKFS)
#undef FF_USE_MKFS
#define FF_USE_MKFS CONFIG_FS_FATFS_MKFS
#else
/* Note that by default the ffconf.h disables MKFS */
#undef FF_USE_MKFS
#define FF_USE_MKFS 1
#endif /* defined(CONFIG_FS_FATFS_MKFS) */
#if defined(CONFIG_FS_FATFS_CODEPAGE)
#undef FF_CODE_PAGE
#define FF_CODE_PAGE CONFIG_FS_FATFS_CODEPAGE
#else
/* Note that default value, in ffconf.h, for FF_CODE_PAGE is 932 */
#undef FF_CODE_PAGE
#define FF_CODE_PAGE 437
#endif /* defined(CONFIG_FS_FATFS_CODEPAGE) */
#if defined(CONFIG_FS_FATFS_FF_USE_LFN)
#if CONFIG_FS_FATFS_FF_USE_LFN <= 3
#undef FF_USE_LFN
#define FF_USE_LFN CONFIG_FS_FATFS_FF_USE_LFN
#else
#error Invalid LFN buffer location
#endif
#endif /* defined(CONFIG_FS_FATFS_LFN) */
#if defined(CONFIG_FS_FATFS_MAX_LFN)
#undef FF_MAX_LFN
#define FF_MAX_LFN CONFIG_FS_FATFS_MAX_LFN
#endif /* defined(CONFIG_FS_FATFS_MAX_LFN) */
#if defined(CONFIG_FS_FATFS_MIN_SS)
#undef FF_MIN_SS
#define FF_MIN_SS CONFIG_FS_FATFS_MIN_SS
#endif /* defined(CONFIG_FS_FATFS_MIN_SS) */
#if defined(CONFIG_FS_FATFS_MAX_SS)
#undef FF_MAX_SS
#define FF_MAX_SS CONFIG_FS_FATFS_MAX_SS
#endif /* defined(CONFIG_FS_FATFS_MAX_SS) */
#if defined(CONFIG_FS_FATFS_EXFAT)
#undef FF_FS_EXFAT
#define FF_FS_EXFAT CONFIG_FS_FATFS_EXFAT
#endif /* defined(CONFIG_FS_FATFS_EXFAT) */
#if defined(CONFIG_FS_FATFS_REENTRANT)
#undef FF_FS_REENTRANT
#undef FF_FS_TIMEOUT
#include <zephyr/kernel.h>
#define FF_FS_REENTRANT CONFIG_FS_FATFS_REENTRANT
#define FF_FS_TIMEOUT K_FOREVER
#endif /* defined(CONFIG_FS_FATFS_REENTRANT) */
/*
* These options are override from default values, but have no Kconfig
* options.
*/
#undef FF_FS_TINY
#define FF_FS_TINY 1
#undef FF_FS_NORTC
#define FF_FS_NORTC 1
/* Zephyr uses FF_VOLUME_STRS */
#undef FF_STR_VOLUME_ID
#define FF_STR_VOLUME_ID 1
/* By default FF_STR_VOLUME_ID in ffconf.h is 0, which means that
* FF_VOLUME_STRS is not used. Zephyr uses FF_VOLUME_STRS, which
* by default holds 8 possible strings representing mount points,
* and FF_VOLUMES needs to reflect that, which means that dolt
* value of 1 is overridden here with 8.
*/
#undef FF_VOLUMES
#define FF_VOLUMES 8
/*
* Options provided below have been added to ELM FAT source code to
* support Zephyr specific features, and are not part of ffconf.h.
*/
/*
* The FS_FATFS_WINDOW_ALIGNMENT is used to align win buffer of FATFS structure
* to allow more optimal use with MCUs that require specific bufer alignment
* for DMA to work.
*/
#if defined(CONFIG_FS_FATFS_WINDOW_ALIGNMENT)
#define FS_FATFS_WINDOW_ALIGNMENT CONFIG_FS_FATFS_WINDOW_ALIGNMENT
#else
#define FS_FATFS_WINDOW_ALIGNMENT 1
#endif /* defined(CONFIG_FS_FATFS_WINDOW_ALIGNMENT) */