//LED BLINK
//0922040056 - TO3C

bool btn_1, btn_2, btnPress, blinkState, ledState;
int counter;
int ledPin[]={13,12,11,10,9};
int totalLed = 5;

#define btn1_pin  3
#define btn2_pin  2

void setup() {
  Serial.begin(9600);
  for(int i=0; i<totalLed; i++){
    pinMode(ledPin[i], OUTPUT);
    digitalWrite(ledPin[i], LOW);
  }
  pinMode(btn1_pin, INPUT_PULLUP);
  pinMode(btn2_pin, INPUT_PULLUP);
  ledState = 1;
}

void loop() {
  check_btn1();
  check_btn2();
  runBlink(blinkState, 500);
  if(!blinkState){
    for(int i=0; i<counter; i++){
      digitalWrite(ledPin[i], HIGH);
    }
    showSerial();
    delay(500);
  }
}

//FUNCTION
void check_btn1(){
  btn_1 = !digitalRead(btn1_pin);
  if(btn_1 && !blinkState){
    while(!digitalRead(btn1_pin));
    counter++;
    if(counter>totalLed){
      for(int i=0; i<totalLed; i++){
        digitalWrite(ledPin[i], LOW);
      }
      counter = 0;
    }
  }
}

void check_btn2(){
  btnPress = btn_2;
  btn_2 = !digitalRead(btn2_pin);
  if(btnPress && !btn_2){
    blinkState = !blinkState;
  }
}

void runBlink(bool toggle, int blink_time){
  if(toggle){
    showSerial();
    for(int i=0; i<counter; i++){
      digitalWrite(ledPin[i], ledState);
    }
    ledState = !ledState;
    showSerial;
    delay(500);
  }
}

void showSerial(){
  Serial.println("====================");
  Serial.print("Logika Tombol: ");
  Serial.print(btn_1);
  Serial.println(btn_2);
  Serial.print("Counter: ");
  Serial.println(counter);
  Serial.print("Blink Start/Stop: ");
  Serial.println(blinkState);
  Serial.println("====================");
  Serial.println("  ");
}