#include <LiquidCrystal_I2C.h>
#include <Wire.h>

#define pinLed1 12
#define pinLed2 11
#define pinLed3 10
#define pinLed4 9
#define pinButton1 8
#define pinButton2 7

//Set alamat I2C dan ukuran LCD
LiquidCrystal_I2C lcd(0x27,16,2);

//variabel bilangan bulat
int dataPertama = 100;
int dataButton1 = 0;
int dataButton2 = 0;
int k1 = 0;
int k2 = 0;
int menu = 0;
//variabel bilangan pecahan
float dataKedua = 100.7;

void setup(){
  pinMode(pinLed1, OUTPUT);
  pinMode(pinLed2, OUTPUT);
  pinMode(pinLed3, OUTPUT);
  pinMode(pinLed4, OUTPUT);
  pinMode(pinButton1, INPUT);
  pinMode(pinButton2, INPUT);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("LKS ELECTRONICS");
  lcd.setCursor(0,1);
  lcd.print("SMKN 39 JAKARTA");
  delay(3000);
  lcd.clear();
}

void loop(){
  dataButton1 = digitalRead(pinButton1);
  dataButton2 = digitalRead(pinButton2);
  if(dataButton1 == 1){
    menu++;
  }
  if(menu > 4);{
    menu = 0;
  }
  delay(100);

lcd.setCursor(1,1);

  switchMenu(menu);


void switchMenu(int dataMenu)
  switch(dataMenu){
    case 1:
digitalWrite( pinLed1,1);
digitalWrite( pinLed1,0);

delay(200);
digitalWrite( pinLed2,1);
digitalWrite( pinLed2,1);

delay(200);
digitalWrite( pinLed3,1);
digitalWrite( pinLed3,0);

delay(200);
digitalWrite( pinLed4,1);
digitalWrite( pinLed4,0);

delay(200);
    lcd.setCursor(0,0);
      lcd.print("Menu 1");
      lcd.setCursor(0,1);
      lcd.print("Running Led Kn");
    break;
  }
  
    case 2:
{
digitalWrite( pinLed4,1);
digitalWrite( pinLed4,0);
delay(200);
digitalWrite( pinLed3,1);
digitalWrite( pinLed3,0);

delay(200)1
digitalWrite( pinLed2,1);
digitalWrite( pinLed2,0);

delay(200);
digitalWrite( pinLed1,1);
digitalWrite( pinLed1,0);

delay(200);
      lcd.setCursor(5,0);
      lcd.print("Menu 2");
        lcd.setCursor(1,1);
        lcd.print("Running Led Kr");
}

    break;
    case 3:

{
 digitalWrite( pinLed1,1);
digitalWrite( pinLed3,1);
delay(400)
digitalWrite( pinLed1,0);
digitalWrite( pinLed3,0);
delay(400);
digitalWrite( pinLed1,1);
digitalWrite( pinLed3,1);
delay(400);
digitalWrite( pinLed1,0);
digitalWrite( pinLed3,0);
delay(400);

      lcd.setCursor(5,0);
      lcd.print("Menu 3");
       lcd.setCursor(0,1);
      lcd.print( "LED Blynk" );
    }

    break;
    case 4:
    for(int i < 100; i++);
    k1++;
    {

Serial.println(k1);
      delay(200);
     lcd.setCursor(5,0);
      lcd.print("Menu 4");
      lcd.setCursor(0,1);
      lcd.print("counter Up:");
      lcd.print(k1);
      lcd.print("");
    }



    if(k1 > 99 ){
     k1 = (0)
    delay(200);
      lcd.setCursor(0,1);
      lcd.print("counter Up  :");
    break
    default:
      lcd.setCursor(5,0);
      lcd.print("  HOME  ");
  lcd.setCursor(1,1);
      lcd.print("tekan button 1");
       break;
  }
}





//LATIHAN 4
//1. buat tampilan greatting dg menampilkan tulisan seperti ini:
//"LKS ELECTRONICS" -> baris ke 1
//"SMKN 39 JAKARTA" -> baris ke 2
//greatting selama 3 detik

//2. LCD pertama menampikan tuisan berikut :
//"HOME" -> baris ke 1 (centre)
//"Tekan Button 1" -> baris ke 2 (centre)
//3. jika btn 1 ditekan 1x masuk ke menu 1
//4. jika btn 1 ditekan 2x masuk ke menu 2
//5. jika btn 1 ditekan 3x masuk ke menu 3
//6. jika btn 1 ditekan 4x masuk ke menu 4
//7. isi menu 1:
// Led running dari kiri ke kanan dengan delay 200ms
//tulisan "Menu 1" -> baris ke 1 (centre)
//tulisan "Running Led Kn" -> baris ke 2 (centre)

//8. isi menu 2:
// Led running dari kanan ke kiri dengan delay 200ms
//tulisan "Menu 2" -> baris ke 1 (centre)
//tulisan "Running Led Kr" -> baris ke 2 (centre)

//9. isi menu 3:
// Led 1 dan 3 blynk -> T 400ms
// Led 2 dan 4 blynk -> T 800ms
//tulisan "Menu 3" -> baris ke 1 (centre)
//tulisan "LED Blynk" -> baris ke 2 (centre)

//10. isi menu 4:
//counter up dari 0 - 100 delay 200ms
//tulisan "Menu 4" -> baris ke 1 (centre)
//tulisan "Counter Up :" (nilai counter)