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/*
* SPDX-FileCopyrightText: 2018-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "esp_vfs_fat.h"
#include "diskio_impl.h"
#include "esp_partition.h"
#include "sdmmc_cmd.h"
#include <sys/param.h>
#include <stddef.h>
typedef enum {
FORMATTED_DURING_LAST_MOUNT = 1 << 0, // The FATFS partition was formatted during the last mount
} vfs_fat_x_ctx_flags_t;
typedef struct vfs_fat_spiflash_ctx_t {
const esp_partition_t *partition; //The partition where the FAT is located
bool by_label; //If the partition is mounted by label or not
BYTE pdrv; //Drive number that is mounted
FATFS *fs; //FAT structure pointer that is registered
wl_handle_t wlhandle; //WL handle
esp_vfs_fat_mount_config_t mount_config; //Mount configuration
vfs_fat_x_ctx_flags_t flags; //Flags
} vfs_fat_spiflash_ctx_t;
typedef struct vfs_fat_sd_ctx_t {
BYTE pdrv; //Drive number that is mounted
esp_vfs_fat_mount_config_t mount_config; //Mount configuration
FATFS *fs; //FAT structure pointer that is registered
sdmmc_card_t *card; //Card info
char *base_path; //Path where partition is registered
vfs_fat_x_ctx_flags_t flags; //Flags
} vfs_fat_sd_ctx_t;
static inline size_t esp_vfs_fat_get_allocation_unit_size(
size_t sector_size, size_t requested_size)
{
size_t alloc_unit_size = requested_size;
const size_t max_sectors_per_cylinder = 128;
const size_t max_size = sector_size * max_sectors_per_cylinder;
alloc_unit_size = MAX(alloc_unit_size, sector_size);
alloc_unit_size = MIN(alloc_unit_size, max_size);
return alloc_unit_size;
}
vfs_fat_spiflash_ctx_t* get_vfs_fat_spiflash_ctx(wl_handle_t wlhandle);
vfs_fat_sd_ctx_t* get_vfs_fat_get_sd_ctx(const sdmmc_card_t *card);
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