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

#define LED_PIN 2
#define BUTTON_PIN 4

unsigned char statusLed = 0;

void invertLed(void);

void app_main() {
  gpio_set_direction(BUTTON_PIN, GPIO_MODE_INPUT);
  gpio_set_direction(LED_PIN, GPIO_MODE_OUTPUT);
  gpio_set_level(LED_PIN, 0);

  int status_led = 0;
  int last_button_level = 0;
  int cont = 0;

  while(true) {
    int button_level = gpio_get_level(BUTTON_PIN);

    if (!button_level && last_button_level == !button_level) {
      invertLed();
      gpio_set_level(LED_PIN, status_led);
      cont++;
      printf("Contador: %d\n", cont);
    }
    last_button_level = button_level;
  }
}

void invertLed(){
  statusLed = statusLed^1;
}