/**
 * Copyright (2017) Baidu Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * File: duerapp_sdcard_config.c
 * Auth: Su Hao(suhao@baidu.com)
 * Desc: Duer Application sdcard configuration.
 */

#include <stdio.h>
#include "esp_err.h"
#include "esp_log.h"
#include "esp_vfs_fat.h"
#include "driver/sdmmc_host.h"
#include "driver/sdmmc_defs.h"
#include "sdmmc_cmd.h"
#include "duerapp_config.h"

void initialize_sdcard(void)
{
    DUER_LOGI("Initializing SD card");

    sdmmc_host_t host = SDMMC_HOST_DEFAULT();

    // To use 1-line SD mode, uncomment the following line:
    host.flags = SDMMC_HOST_FLAG_1BIT;

    // This initializes the slot without card detect (CD) and write protect (WP) signals.
    // Modify slot_config.gpio_cd and slot_config.gpio_wp if your board has these signals.
    sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();

    // Options for mounting the filesystem.
    // If format_if_mount_failed is set to true, SD card will be partitioned and formatted
    // in case when mounting fails.
    esp_vfs_fat_sdmmc_mount_config_t mount_config = {
        .format_if_mount_failed = true,
        .max_files = 5
    };

    // Use settings defined above to initialize SD card and mount FAT filesystem.
    // Note: esp_vfs_fat_sdmmc_mount is an all-in-one convenience function.
    // Please check its source code and implement error recovery when developing
    // production applications.
    sdmmc_card_t *card;
    esp_err_t ret = esp_vfs_fat_sdmmc_mount(SDCARD_PATH, &host, &slot_config, &mount_config, &card);
    if (ret != ESP_OK) {
        if (ret == ESP_FAIL) {
            DUER_LOGE("Failed to mount filesystem. If you want the card to be formatted, set format_if_mount_failed = true.");
        } else {
            DUER_LOGE("Failed to initialize the card (%d). Make sure SD card lines have pull-up resistors in place.", ret);
        }
        return;
    }

    // Card has been initialized, print its properties
    sdmmc_card_print_info(stdout, card);
}

void finalize_sdcard(void)
{
    // All done, unmount partition and disable SDMMC host peripheral
    esp_vfs_fat_sdmmc_unmount();
    DUER_LOGI("Card unmounted");
}