#include <Stepper.h>

const int stepsPerRevolution = 200;  
const int PRESST = LOW;

// initialize two steppers
Stepper motor1(stepsPerRevolution, 6, 7, 8, 9);
Stepper motor2(stepsPerRevolution, 10, 11, 12, 13);

void setup() {
  Serial.begin(115200);
  Serial.println("Helloo!\n");    
  motor1.setSpeed(18);   
  motor2.setSpeed(18);

  pinMode(2, INPUT_PULLUP);
}

void loop() {
  motor1.step(50);
  motor2.step(-50);

  waitOnButton();

  motor1.step(-50);
  motor2.step(50);

  waitOnButton();
  relayControl(3, HIGH);
  
  waitOnButton();
  relayControl(4, HIGH);

  waitOnButton();
  relayControl(3, LOW);
  delay(1000);
  relayControl(4, LOW);
  delay(1000);
  relayControl(5, HIGH);
  delay(1000);
  relayControl(5, LOW);  

  waitOnButton();
}

void waitOnButton()
{
  Serial.println("Menunggu Tombol");
  do delay(15); while (digitalRead(2) != PRESST);
  while (digitalRead(2) == PRESST) delay(15);
  delay(15);
}

void relayControl(unsigned char thePin, unsigned char theValue)
{
  digitalWrite(thePin, theValue);
}

# define N15  111  
void waitOnLongPress()
{
  int count = 0;

  Serial.println("waiting for a long press");

  delay(15);
  while (digitalRead(2) == PRESST) delay(15);

  while (1) {
    do delay(15); while (digitalRead(2) != PRESST);
    
    count = 0;
    do {
      delay(15);
      count++;
      if (count > N15) return;
    } while (digitalRead(2) == PRESST);
  }
}

void waitOnButton0()
{
  static unsigned long lastTime;
  static unsigned char lastButton = HIGH;
  unsigned long now;

  Serial.println("a different waiting on the button");
  for (; ; ) {
    now = millis();
    if (now - lastTime < 50) continue;
    unsigned char thisButton = digitalRead(2);
    if (thisButton != lastButton) {
      lastButton = thisButton;
      lastTime = now;
      if (thisButton == PRESST) break;
    }
  }
}