//FabAcademy 2019 - Jesús López

#include <SoftwareSerial.h>

#define RX   3
#define TX   1
SoftwareSerial myserial(RX, TX);

boolean abierto = false;

void setup()
{
  pinMode(0, OUTPUT);
  myserial.begin(4800);
}

void loop()
{

  if (myserial.available()) {

    int val;
    val = int(myserial.read());

    if (val > 0) {
      if (abierto) {
        abrir();
        abierto=false;
      } else {
        cerrar();
        abierto=true;
      }

    }
  }
  delay(10);

}

void abrir() {
  for (int i = 0; i < 45; ++i) {
    digitalWrite(0, HIGH);
    delayMicroseconds(100);
    digitalWrite(0, LOW);
    delayMicroseconds(100);
    //digitalWrite(0, HIGH);
    //delayMicroseconds(200);
    //digitalWrite(0, LOW);
    //delayMicroseconds(180);
  }

}

void cerrar() {
  for (int i = 0; i < 45; ++i) {
    digitalWrite(0, HIGH);
    delayMicroseconds(150);
    digitalWrite(0, LOW);
    delayMicroseconds(180);
    //digitalWrite(0, HIGH);
    //delayMicroseconds(150);
    //digitalWrite(0, LOW);
    //delayMicroseconds(180);
  }

}