esp_err_t sdcard_mount(const char* base_path)
{
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
// To use 1-line SD mode, uncomment the following line:
host.flags = SDMMC_HOST_FLAG_1BIT;
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
slot_config.gpio_cd = g_gpio;
slot_config.width = 1;
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = false,
.max_files = SD_CARD_OPEN_FILE_NUM_MAX
};
sdmmc_card_t* card;
ESP_LOGI(TAG, "Trying to mount with base path=%s", base_path);
esp_err_t ret = esp_vfs_fat_sdmmc_mount(base_path, &host, &slot_config, &mount_config, &card);
switch (ret) {
case ESP_OK:
// Card has been initialized, print its properties
sdmmc_card_print_info(card);
ESP_LOGI(TAG, "CID name %s!\n", card->cid.name);
break;
case ESP_ERR_INVALID_STATE:
ESP_LOGE(TAG, "File system already mounted");
break;
case ESP_FAIL:
ESP_LOGE(TAG, "Failed to mount filesystem. If you want the card to be formatted, set format_if_mount_failed = true.");
break;
default:
ESP_LOGE(TAG, "Failed to initialize the card (%d). Make sure SD card lines have pull-up resistors in place.", ret);
break;
}
return ret;
}
esp_err_t sdcard_unmount(void)
{
esp_err_t ret = esp_vfs_fat_sdmmc_unmount();
if (ret == ESP_ERR_INVALID_STATE) {
ESP_LOGE(TAG, "File system not mounted");
}
return ret;
}
static void test_setup(void)
{
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
sdmmc_slot_config_t slot_config = SDMMC_SLOT_CONFIG_DEFAULT();
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
.format_if_mount_failed = true,
.max_files = 5
};
TEST_ESP_OK(esp_vfs_fat_sdmmc_mount("/sdcard", &host, &slot_config, &mount_config, NULL));
}
static void test_teardown(void)
{
TEST_ESP_OK(esp_vfs_fat_sdmmc_unmount());
}
