#define PIN_LED1 11
#define PIN_LED2 12
#define PIN_LED3 13
#define PIN_SW 7

unsigned int status=0;
bool is_continues_switch = false;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(PIN_LED1, OUTPUT);
  pinMode(PIN_LED2, OUTPUT);
  pinMode(PIN_LED3, OUTPUT);
  pinMode(PIN_SW, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(!digitalRead(PIN_SW)){
    delay(250);

    if(!is_continues_switch){
      while(!digitalRead(PIN_SW)){
        delay(10);
      }
    }
    status++;
    status%=4;
    Serial.println(status);
  }

  switch(status){
    case 1:
    case 2:
    case 3:
      digitalWrite(PIN_LED1+status-1, HIGH);
      break;
    default:
      digitalWrite(PIN_LED1, LOW);
      digitalWrite(PIN_LED2, LOW);
      digitalWrite(PIN_LED3, LOW);
      break;
    

  }
}