#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 GPIO_KEY    GPIO_NUM_9
#define GPIO_LED      GPIO_NUM_1
#define DEBOUNCE      100

static const char *TAG = "GPIO_INPUT";
volatile uint32_t contador = 0;

void app_main() {

  //zero-initialize the config structure.
  gpio_config_t out_conf = {};
  //disable interrupt
  out_conf.intr_type = GPIO_INTR_DISABLE;
  //set as output mode
  out_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;
  out_conf.pin_bit_mask = (1 << GPIO_LED);
  //disable pull-down mode
  out_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
  //disable pull-up mode
  out_conf.pull_up_en = GPIO_PULLDOWN_DISABLE;
  //configure GPIO with the given settings
  gpio_config(&out_conf);

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

  int statusLastKey = gpio_get_level(GPIO_KEY);

  for (;;) {
    if (statusLastKey != gpio_get_level(GPIO_KEY)) {
      statusLastKey = gpio_get_level(GPIO_KEY);
      for (int test = 0; test <= DEBOUNCE; test++) {
        if (statusLastKey != gpio_get_level(GPIO_KEY)) {
          test = 0;
        }
      }
      if (statusLastKey == 1) contador++;
    }
    ESP_LOGE("MAIN", "Contagem: %d", contador);
    gpio_set_level(GPIO_LED, contador % 2);

    // delay(500);
  }
}