fatfs.h

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/*
 * SPDX-FileCopyrightText: 2017 HAW Hamburg
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "fatfs/source/ff.h"
#include "vfs.h"
 
#ifndef FATFS_YEAR_OFFSET
#define FATFS_YEAR_OFFSET (1980)
#endif

#define EPOCH_YEAR_OFFSET (1970)

#define FATFS_MAX_VOL_STR_LEN (6)

#define FATFS_MOUNT_OPT       (1)

#ifndef CONFIG_FATFS_FORMAT_TYPE
#if FF_FS_EXFAT
#define CONFIG_FATFS_FORMAT_TYPE    FM_EXFAT
#else
#define CONFIG_FATFS_FORMAT_TYPE    FM_ANY
#endif
#endif

#ifndef CONFIG_FATFS_FORMAT_ALLOC_STATIC
#define CONFIG_FATFS_FORMAT_ALLOC_STATIC    0
#endif

#define FATFS_MAX_ABS_PATH_SIZE (FATFS_MAX_VOL_STR_LEN + VFS_NAME_MAX + 1)

typedef struct fatfs_desc {
    FATFS fat_fs;       
    mtd_dev_t *dev;     
    uint8_t vol_idx;    

    char abs_path_str_buff[FATFS_MAX_ABS_PATH_SIZE];
} fatfs_desc_t;

typedef struct fatfs_file_desc {
    FIL file;                     
    char fname[VFS_NAME_MAX + 1]; 
} fatfs_file_desc_t;

extern const vfs_file_system_t fatfs_file_system;
 
#ifdef __cplusplus
}
#endif