68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
#include "sd.h"
|
|
|
|
sdmmc_card_t *card;
|
|
|
|
static const char* mount_point = MOUNT_POINT;
|
|
static const char* TAG = "sd";
|
|
|
|
bool init_sd() {
|
|
ESP_LOGI(TAG, "Initializing SD card");
|
|
|
|
esp_err_t ret;
|
|
|
|
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
|
|
.format_if_mount_failed = false,
|
|
.max_files = 8,
|
|
.allocation_unit_size = 16 * 1024,
|
|
.disk_status_check_enable = true,
|
|
.use_one_fat = false,
|
|
};
|
|
|
|
ESP_LOGI(TAG, "Using SDMMC peripheral");
|
|
sdmmc_host_t host = SDMMC_HOST_DEFAULT();
|
|
|
|
// 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 = {
|
|
.clk = SD_PIN_CLK,
|
|
.cmd = SD_PIN_CMD,
|
|
.d0 = SD_PIN_D0,
|
|
.d1 = SD_PIN_D1,
|
|
.d2 = SD_PIN_D2,
|
|
.d3 = SD_PIN_D3,
|
|
.d4 = GPIO_NUM_NC,
|
|
.d5 = GPIO_NUM_NC,
|
|
.d6 = GPIO_NUM_NC,
|
|
.d7 = GPIO_NUM_NC,
|
|
.cd = GPIO_NUM_NC,
|
|
.wp = GPIO_NUM_NC,
|
|
.width = 4,
|
|
.flags = 0
|
|
// .flags = SDMMC_SLOT_FLAG_INTERNAL_PULLUP
|
|
};
|
|
|
|
ESP_LOGI(TAG, "Mounting filesystem");
|
|
ret = esp_vfs_fat_sdmmc_mount(mount_point, &host, &slot_config, &mount_config, &card);
|
|
|
|
if (ret != ESP_OK) {
|
|
if (ret == ESP_FAIL) {
|
|
ESP_LOGE(TAG, "Failed to mount filesystem. "
|
|
"If you want the card to be formatted, set the EXAMPLE_FORMAT_IF_MOUNT_FAILED menuconfig option.");
|
|
} else {
|
|
ESP_LOGE(TAG, "Failed to initialize the card (%s). "
|
|
"Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret));
|
|
}
|
|
return false;
|
|
}
|
|
ESP_LOGI(TAG, "Filesystem mounted");
|
|
|
|
// Card has been initialized, print its properties
|
|
sdmmc_card_print_info(stdout, card);
|
|
return true;
|
|
}
|
|
|
|
void deinit_sd() {
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(esp_vfs_fat_sdcard_unmount(mount_point, card));
|
|
ESP_LOGI(TAG, "Card unmounted");
|
|
}
|