// Memasukan pustaka yang diperlukan:
#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>

// Mendefinisikan jenis perangkat keras, ukuran, nomor pin keluaran:
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 4 // Definisi jumlah display yang terhubung
#define CLK_PIN    13 // CLK atau SCK
#define DATA_PIN   11 // DATA atau MOSI
#define CS_PIN     10 // CS atau SS

// Membuat instan baru dari class MD_Parola dengan hardware koneksi SPI:
MD_Parola ziDisplay = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

#include <LiquidCrystal_I2C.h> //masukkan library liquidCrystal_I2C.h
LiquidCrystal_I2C lcd(0x27, 16, 2);  //gunakan variable lcd sebagai obyek lcd
 
 
 const int pinBuzzer1=11;
 const int pinBuzzer2=12;
 const int pinBuzzer3=13;
 const int pinBuzzer4=10;

const int buttonPin1 = 0;
const int buttonPin2 = 1;
const int buttonPin3 = 2;
const int buttonPin4 = 3;

const int trigPin = 6;
const int echoPin = 7;

long duration;
int jarakCm;
int jarakInch;


void setup(){
// Iinisialisasi objek:
  ziDisplay.begin();
  // Mengatur kecerahan (brightness) display (0-15):
  ziDisplay.setIntensity(0);
  // Membersihkan display;
  ziDisplay.displayClear();
  
  ziDisplay.displayText
  (" TUBES MIKRO ", PA_CENTER, 50, 0, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
lcd.begin(16,2);

pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
Serial.begin(9600);

 pinMode(pinBuzzer1, OUTPUT);
 pinMode(pinBuzzer2, OUTPUT);
 pinMode(pinBuzzer3, OUTPUT);
 pinMode(pinBuzzer4, OUTPUT);
 
  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
  pinMode(buttonPin3, INPUT_PULLUP);
  pinMode(buttonPin4, INPUT_PULLUP);


}
void loop(){

if (ziDisplay.displayAnimate()) {
    ziDisplay.displayReset();
  }
  
lcd.setCursor(3,0);
lcd.print("RUSDIN");
delay(1000);
lcd.clear();
lcd.setCursor(5,1);
lcd.print("21650058");
delay(1000);
lcd.clear();

   if (digitalRead(buttonPin1) == LOW) {
    playTone(pinBuzzer1, 330, 500); // Nada E
    delay(100);
  }
  if (digitalRead(buttonPin2) == LOW) {
    playTone(pinBuzzer2, 392, 500); // Nada G
    delay(100);
  }
  if (digitalRead(buttonPin3) == LOW) {
    playTone(pinBuzzer3, 494, 500); // Nada B
    delay(100);
  }
  if (digitalRead(buttonPin4) == LOW) {
    playTone(pinBuzzer4, 523, 500); // Nada C
    delay(100);
  }
 digitalWrite(trigPin, LOW);
  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  duration = pulseIn(echoPin, HIGH);
  jarakCm = duration * 0.034 / 2;
  jarakInch = duration * 0.0133 / 2;

  Serial.print("Jarak: ");
  Serial.print(jarakCm);
  Serial.println(" cm");

  Serial.print("JarakInch: ");
  Serial.print(jarakInch);
  Serial.println(" inch");
  delay(500);

 
 
}
void playTone(int buzzerPin, int frequency, int duration) {
  tone(buzzerPin, frequency, duration);
  delay(duration); // Menunggu sampai nada selesai sebelum melanjutkan
  noTone(buzzerPin); // Mematikan nada

}