//MUHAMMAD ANAS FARHAN BIN SHAHRIN
//12 march 2022
//BUTTON TRAFFIC LIGHT
//16DTK20F1026

#define BUTTON_PIN 27
//ESP32 pin GIOP14,which connected to button
#define GREEN_LIGHT 13
// ESP32 pin GIOP12,which connected to led
#define YELLOW_LIGHT 14
// ESP32 pin GIOP12,which connected to led
#define RED_LIGHT 12
// ESP32 pin GIOP12,which connected to led
#define PEDESTRIAN_GREEN_LIGHT 26
// ESP32 pin GIOP12,which connected to led
#define PEDESTRIAN_RED_LIGHT 25
// ESP32 pin GIOP12,which connected to led

//The below are variables, which can be changed
int button_state = 0;
//Variable for reading the button status


void setup() {
//initialize the LED pin as an output
pinMode(GREEN_LIGHT,OUTPUT);
//initialize the LED pin as an output
pinMode(YELLOW_LIGHT,OUTPUT);
//initialize the LED pin as an output
pinMode(RED_LIGHT,OUTPUT);
//initialize the LED pin as an output
pinMode(PEDESTRIAN_GREEN_LIGHT,OUTPUT);
//initialize the LED pin as an output
pinMode(PEDESTRIAN_RED_LIGHT,OUTPUT);
//initialize the button pin as an pull up input
//the pull up input will be HIGH when the button is open and LOW when the button is close
pinMode(BUTTON_PIN, INPUT_PULLUP);


}

void loop() {
  //read the state of the button value
  button_state = digitalRead(BUTTON_PIN);
  
  //control LED according to the state of button
  if (button_state == LOW)//if button is presssed

{
  digitalWrite(GREEN_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(GREEN_LIGHT,LOW);//turn off led
  digitalWrite(YELLOW_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(YELLOW_LIGHT,LOW);//turn off led
  digitalWrite(PEDESTRIAN_RED_LIGHT,LOW);//turn off led
  
  digitalWrite(RED_LIGHT,HIGH);//turn on led
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(5000);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);

  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,HIGH);//turn on led
  delay(10);
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  delay(490);
  
  digitalWrite(RED_LIGHT,LOW);//turn off led
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  digitalWrite(YELLOW_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(YELLOW_LIGHT,LOW);//turn off led

}

  else
  {
  digitalWrite(PEDESTRIAN_GREEN_LIGHT,LOW);//turn off led
  digitalWrite(PEDESTRIAN_RED_LIGHT,HIGH);//turn on led
  digitalWrite(GREEN_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(GREEN_LIGHT,LOW);//turn off led
  digitalWrite(YELLOW_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(YELLOW_LIGHT,LOW);//turn off led
 digitalWrite(RED_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(RED_LIGHT,LOW);//turn off led
  digitalWrite(YELLOW_LIGHT,HIGH);//turn on led
  delay(2000);
  digitalWrite(YELLOW_LIGHT,LOW);//turn off led
}
}