#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "driver/gpio.h"

// LED接在GPIO 13腳
const gpio_num_t LED_PIN = GPIO_NUM_13;

void app_main(void) {
    bool led_state = 0;      // 紀錄LED狀態的變數

    gpio_config_t io_conf = {
        .pin_bit_mask = 1ULL << GPIO_NUM_13,
        .mode = GPIO_MODE_OUTPUT,
    };
    gpio_config(&io_conf);

    while (1) {
        gpio_set_level(LED_PIN, led_state);  // 設置LED腳的狀態
        printf("LED：%s\n", led_state ? "開" : "關"); // 顯示LED狀態
        led_state = !led_state;   // 切換LED狀態
        vTaskDelay(pdMS_TO_TICKS(1000));
    }
}