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