#define LED_GREEN 41 //controla el led verd
#define LED_RED 40
#define LED_BLUE 39
#define pir_pin 5
#define PRENDIDO LOW
#define APAGADO HIGH
bool curr_pir_pin;
bool prev_pir_pin;
#define A4988_DIR 48//pin de dirección para A4988
#define A4988_STEP 45
#define BUTTON_P_1 15 //
#define BUTTON_P_2 17
#define HORARIO LOW
#define ANTI_HORARIO HIGH
uint8_t estado;
uint8_t dir = LOW;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(pir_pin, INPUT);
  pinMode(BUTTON_P_1, INPUT_PULLUP);//
  pinMode(BUTTON_P_2, INPUT_PULLUP);//
  pinMode(LED_GREEN, OUTPUT);
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_BLUE, OUTPUT);
  pinMode(A4988_DIR, OUTPUT); //Salida para asignar dirección del motor
  pinMode(A4988_STEP, OUTPUT);
  digitalWrite(LED_GREEN, APAGADO);
  digitalWrite(LED_RED, APAGADO);
  digitalWrite(LED_BLUE, APAGADO);
  prev_pir_pin=digitalRead(pir_pin);
}

void loop() {
  // put your main code here, to run repeatedly:
  curr_pir_pin = digitalRead(pir_pin);
  if(curr_pir_pin == prev_pir_pin){
    digitalWrite(LED_GREEN, PRENDIDO);
    digitalWrite(LED_RED, PRENDIDO);
    digitalWrite(LED_BLUE, APAGADO);
    delay(200);
    digitalWrite(LED_BLUE, PRENDIDO);
    digitalWrite(LED_GREEN, APAGADO);
    digitalWrite(LED_RED, APAGADO);
    delay(200);
  }else{
    digitalWrite(LED_GREEN, APAGADO);
    digitalWrite(LED_RED, APAGADO);
    digitalWrite(LED_BLUE, APAGADO);
    digitalWrite(A4988_DIR, dir);
    //for(int i=0; i<100; i++) {
    Serial.println("P1");
    digitalWrite(A4988_STEP, HIGH);
    delay(20);
    digitalWrite(A4988_STEP, LOW);
    delay(20);
    if (digitalRead(BUTTON_P_1) == LOW ) {
      while(digitalRead(BUTTON_P_1) == LOW);
      if(dir==LOW){
        dir=HIGH;
      }else{
        dir=LOW;
      }
      //digitalWrite(A4988_DIR, ANTIHORARIO);
      
    }else{
      /*if (digitalRead(BUTTON_P_2) == LOW ){
        switch(estado) {
          case 1;
          for(int i=0; i<100; i++) {
           digitalWrite(A4988_STEP, HIGH);
          delay(2000);
          digitalWrite(A4988_STEP, LOW);
          delay(2000);
          break;

        }


      }*/
    }
    
    
    

  }
}