#include <Stepper.h>

const int PIN_BUTTON_START = 3;
const int PIN_BUTTON_REVERSE = 2;
const int NUMBER_STEPS = 200;
long motorSpeed = 8;
bool startStop = false;
bool reverse = false;
long timeOutS = 0;
long timeOutR = 0;
long pause = 10;

Stepper myStepper(NUMBER_STEPS, 8, 9, 10, 11);

void setup() {

  myStepper.setSpeed(motorSpeed);

  pinMode(PIN_BUTTON_START, INPUT_PULLUP);
  pinMode(PIN_BUTTON_REVERSE, INPUT_PULLUP);

  attachInterrupt(0, myReverse, RISING);
  attachInterrupt(1, myStartStop, RISING);
}

void myReverse() {

  detachInterrupt(0);
  
  reverse = !reverse;
 
  timeOutR = 0;
}

void myStartStop() {
  
  detachInterrupt(1);

  startStop = !startStop;

  timeOutS = 0;
}



void loop() {

  if (startStop) {

    if (reverse) {

      myStepper.step(NUMBER_STEPS * -1 / 100 );
    }
    else {

      myStepper.step(NUMBER_STEPS / 100);
    }
  }


  if (timeOutR == pause) {

    attachInterrupt(0, myReverse, RISING);
  }
  else {

    timeOutR++;
  }

  if (timeOutS == pause) {

    attachInterrupt(1, myStartStop, RISING);
  }
  else {

    timeOutS++;
  }
}