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

#define delay(value)  vTaskDelay(value / portTICK_PERIOD_MS)
#define pin_led       GPIO_NUM_1

static const char *TAG = "GPIO_INPUT";

void app_main() {
  //zero-initialize the config structure.
  gpio_config_t io_conf = {};
  //disable interrupt
  io_conf.intr_type = GPIO_INTR_DISABLE;
  //set as output mode
  io_conf.mode = GPIO_MODE_OUTPUT;
  //bit mask of the pins that you want to set,e.g.GPIO18/19
  // io_conf.pin_bit_mask = 0B00000000000000000000000000000010;
  io_conf.pin_bit_mask = (1 << pin_led);
  //disable pull-down mode
  io_conf.pull_down_en = 0;
  //disable pull-up mode
  io_conf.pull_up_en = 0;
  //configure GPIO with the given settings
  gpio_config(&io_conf);

  for (;;) {
    gpio_set_level(pin_led, 1);
    ESP_LOGE(TAG, "high");
    delay(500);
    
    gpio_set_level(pin_led, 0);
    ESP_LOGE(TAG, "low");
    delay(500);
  }
}