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

// define os nomes dos endereços dos registradores
#define GPIO_ENABLE_REG 0x3FF44020
#define GPIO_OUT_REG 0x3FF44004
#define GPIO_IN1_REG 0x3FF44040

// --- Definição dos LEDs (saídas) ---
#define LED1 0

#define bt0 13

//cria um vetor com os valores em hexadecimal de 0 a F
uint32_t display[16] = { 
  0xE60020, //0
  0x820000, //1
  0xCC0020, //2
  0xCA0020, //3
  0xAA0000, //4
  0x6A0020, //5
  0x6E0020, //6
  0xC20000, //7
  0xEE0020, //8
  0xEA0020, //9
  0xEE0000, //a
  0x2E0020, //b
  0x640020, //c
  0x8E0020, //d
  0x6C0020, //e
  0x6C0000};//f

//0b111011100000000000100000
void config_hardware();
void config_saida();

void app_main() {
  bool bt0_value;
  config_hardware();
  config_saida();

  //habilita os pinos
  REG_WRITE(GPIO_ENABLE_REG, 0b111011100000000000100001);
 
while(true){  
  bt0_value = gpio_get_level(bt0);
  if(bt0_value == 0){
    for(int i = 9; i>-1; i--){
      REG_WRITE(GPIO_OUT_REG, display[i]);
      REG_WRITE(GPIO_OUT_W1TS_REG, (1 << LED1));
    vTaskDelay(500 / portTICK_PERIOD_MS);
    
    }
    for(int i =0; i<5; i++){
    REG_WRITE(GPIO_OUT_W1TC_REG, (1 << LED1));
      vTaskDelay(500 / portTICK_PERIOD_MS);
    REG_WRITE(GPIO_OUT_W1TS_REG, (1 << LED1));
      vTaskDelay(500 / portTICK_PERIOD_MS);
    }
      REG_WRITE(GPIO_OUT_REG, display[9]);
      REG_WRITE(GPIO_OUT_W1TC_REG, (1 << LED1));    
    }
  }
}

void config_hardware() {
  gpio_pad_select_gpio(bt0);
  gpio_set_direction(bt0, GPIO_MODE_INPUT);
  gpio_set_pull_mode(bt0, GPIO_PULLUP_ONLY);
}

void config_saida() {
  gpio_set_level(LED1,0);

}