#include "main.h"

int tombol = PA0;

int led1 = PB0;
int led2 = PB1;
int led3 = PB2;
int buzzer = PB3;

int prev_state = LOW;

void setup() {

  pinMode(tombol, INPUT_PULLDOWN);

  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(buzzer, OUTPUT);
}

void loop() {

  int current_state = digitalRead(tombol);

  if (prev_state == LOW && current_state == HIGH)
  {
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, LOW);
    digitalWrite(buzzer, HIGH);
    delay(5000);

    digitalWrite(buzzer, LOW);

    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(buzzer, HIGH);
    delay(5000);

    digitalWrite(buzzer, LOW);

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    digitalWrite(buzzer, HIGH);
    delay(5000);

    digitalWrite(buzzer, LOW);
  }

  prev_state = current_state;

  delay(50);
}