#define Button1 4
#define Button2 2
#define Led1 32
#define Led2 33
#define Initled 23

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("버튼 테스트");
  pinMode(Button1, INPUT);
  pinMode(Button2, INPUT);
  pinMode(Led1, OUTPUT);
  pinMode(Led2, OUTPUT);
  pinMode(Initled, OUTPUT);

  digitalWrite(Led1, HIGH);
  delay(500);
  digitalWrite(Led2, HIGH);
  delay(1000);
  digitalWrite(Led1, LOW);
  digitalWrite(Led2, LOW);
}

int click_Button_num = -1;
bool click_One = false;
bool click_Long = false;
bool click_Out = false;
int click_Num = 0;
unsigned long o_Time = 0;

void loop() {
  // put your main code here, to run repeatedly:
  unsigned long i_Time = millis();
  if(i_Time < o_Time)  o_Time = millis();

  if(digitalRead(Button1) == true && click_One == false){
    //Serial.println("버튼 1번 클릭");
    click_Button_num = Button1;
    click_One = true;
  }
  if(digitalRead(Button2) == true && click_One == false){
    //Serial.println("버튼 2번 클릭");
    click_Button_num = Button2;
    click_One = true;
  }  

  if(click_One == true && click_Out == false && i_Time - o_Time >= 50){
    o_Time = millis();

    if(digitalRead(click_Button_num) == false){
      
      if(click_Num >= 2){
        click_Out = true;
        //Serial.println(" 짧게 눌러버림 ");
      }
      if(click_Num >= 40){
        click_Long = true;
        //Serial.println(" 길게 눌러버림 ");
      }      

      click_One = false;
      click_Num = 0;
      //Serial.println("-- 클릭 끝 --");
      digitalWrite(Initled, LOW);
    }else{
      click_Num++;
      //Serial.print(click_Button_num);
      //Serial.print(" 을 ");
      //Serial.print(click_Num);
      //Serial.println(" 번 누르고 있음");
      if(click_Num >= 40){
        if(click_Num % 5 == 0){
          digitalWrite(Initled, !digitalRead(Initled));
        }        
      }
    }
  }

  if(click_Out == true){
    switch(click_Button_num){
      case Button1:
        if(click_Long){
          Serial.print("버튼 1번을 길게");
          Serial.println(" : LED 모두 켜짐");
          digitalWrite(Led1, HIGH);
          digitalWrite(Led2, HIGH);
        }else{
          Serial.println("버튼 1번을 짧게");
          digitalWrite(Led1, !digitalRead(Led1));
        }
        break;
      case Button2:
        if(click_Long){
          Serial.print("버튼 2번을 길게");
          Serial.println(" : LED 모두 꺼짐");
          digitalWrite(Led1, LOW);
          digitalWrite(Led2, LOW);
        }else{
          Serial.println("버튼 2번을 짧게");
          digitalWrite(Led2, !digitalRead(Led2));
        }
        break;
      default:
        break;
    }
    
    click_Button_num = -1;    
    click_Out = false;
    click_Long = false;
  }

}