//simulasi lampu lalu lintas pertigaan
//arif kurnia rahman TI-2A 4.33.23.0.05

#include <TM1637.h>

#define  CLK 2
#define DIO 3

TM1637 disp(CLK, DIO);
   
int counter = 0;  

#define HIJAU1 10    
#define KUNING1 9   
#define MERAH1 8   

#define HIJAU2 4   
#define KUNING2 5   
#define MERAH2 6  

#define HIJAU3 11    
#define KUNING3 12   
#define MERAH3 13  


void setup() {
  disp.init();
  disp.set(BRIGHTEST);
  disp.display(3, counter);

  pinMode(HIJAU1, OUTPUT);
  pinMode(KUNING1, OUTPUT);
  pinMode(MERAH1, OUTPUT);

  pinMode(HIJAU2, OUTPUT);
  pinMode(KUNING2, OUTPUT);
  pinMode(MERAH2, OUTPUT);

  pinMode(HIJAU3, OUTPUT);
  pinMode(KUNING3, OUTPUT);
  pinMode(MERAH3, OUTPUT);

  setMerah();
}

void loop() {
  
  arah1();
  arah2();
  arah3();
  counter++;
  disp.display(3, counter);//just for count hehe, 
  //rencana untuk display countdown sesuai nyala lampu jijau

  
}

void setMerah() {
  digitalWrite(MERAH1, HIGH);
  digitalWrite(MERAH2, HIGH);
  digitalWrite(MERAH3, HIGH);
  delay(500);
}

void arah1() {
  digitalWrite(MERAH2, HIGH);
  digitalWrite(MERAH3, HIGH);
  delay(100);
  digitalWrite(MERAH1, LOW);
  digitalWrite(HIJAU1, HIGH);
  delay(8000);

  digitalWrite(HIJAU1, LOW);
  digitalWrite(KUNING1, HIGH);
  
  delay(2000);
  digitalWrite(KUNING1, LOW);
  digitalWrite(MERAH1, HIGH);//safety arah 1
  delay(1500);

}

void arah2() {
  digitalWrite(MERAH1, HIGH);
  digitalWrite(MERAH3, HIGH);
  delay(100);
  digitalWrite(MERAH2, LOW);
  digitalWrite(HIJAU2, HIGH);
  delay(8000);

  digitalWrite(HIJAU2, LOW);
  digitalWrite(KUNING2, HIGH);
  delay(2000);
  digitalWrite(KUNING2, LOW);
  digitalWrite(MERAH2, HIGH);//safety arah 2
  delay(1500);
}

void arah3() {
  digitalWrite(MERAH1, HIGH);
  digitalWrite(MERAH2, HIGH);
  digitalWrite(MERAH3, LOW);
  digitalWrite(HIJAU3, HIGH);
  delay(8000);
  digitalWrite(HIJAU3, LOW);

  digitalWrite(KUNING3, HIGH);
  delay(2000);
  digitalWrite(KUNING3, LOW);
  digitalWrite(MERAH3, HIGH);//safety arah 3
  delay(1500);
}