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

// Pin definisi
#define ONE_WIRE_BUS1 15 // Pin untuk sensor DS18B20 pertama
#define ONE_WIRE_BUS2 4  // Pin untuk sensor DS18B20 kedua
#define POT_PIN1 34      // Pin untuk potensiometer pertama (ADC)
#define POT_PIN2 35      // Pin untuk potensiometer kedua (ADC)

// Inisialisasi library OneWire dan DallasTemperature
OneWire oneWire1(ONE_WIRE_BUS1);
OneWire oneWire2(ONE_WIRE_BUS2);
DallasTemperature sensors1(&oneWire1);
DallasTemperature sensors2(&oneWire2);

// Inisialisasi LCD I2C
LiquidCrystal_I2C lcd(0x27, 16, 2); // Ganti alamat jika diperlukan

// Variabel untuk menyimpan nilai potensiometer dan suhu
int volumeLevel1 = 0;
int volumeLevel2 = 0;
float temperature1 = 0;
float temperature2 = 0;

// Variabel waktu untuk non-blocking
unsigned long previousMillisPot = 0;
unsigned long previousMillisTemp = 0;
unsigned long previousMillisLCD = 0;
const unsigned long intervalPot = 100;  // Interval pembaruan potensiometer (ms)
const unsigned long intervalTemp = 1000; // Interval pembaruan suhu (ms)
const unsigned long intervalLCD = 500;  // Interval pembaruan LCD (ms)

void setup() {
  Serial.begin(115200);
  Serial.println("Program dimulai...");

  // Inisialisasi sensor suhu
  sensors1.begin();
  sensors2.begin();

  // Inisialisasi LCD
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print(" DIGITAL AUDIO ");
  lcd.setCursor(0, 1);
  lcd.print(" MULTI CONTROL ");
  delay(3000);

    lcd.setCursor(0, 0);
  lcd.print(" SELAMAT DATANG ");
  lcd.setCursor(0, 1);
  lcd.print("  WARUNG BAGUS  ");
  delay(3000);

  lcd.clear();
}

void loop() {
  unsigned long currentMillis = millis();

  // Membaca potensiometer setiap intervalPot
  if (currentMillis - previousMillisPot >= intervalPot) {
    previousMillisPot = currentMillis;
    updateVolume();
  }

  // Membaca suhu setiap intervalTemp
  if (currentMillis - previousMillisTemp >= intervalTemp) {
    previousMillisTemp = currentMillis;
    updateTemperature();
  }

  // Memperbarui tampilan LCD setiap intervalLCD
  if (currentMillis - previousMillisLCD >= intervalLCD) {
    previousMillisLCD = currentMillis;
    updateLCD();
  }
}

// Fungsi untuk membaca potensiometer
void updateVolume() {
  int potValue1 = analogRead(POT_PIN1);
  int potValue2 = analogRead(POT_PIN2);

  volumeLevel1 = map(potValue1, 0, 4095, 0, 100);
  volumeLevel2 = map(potValue2, 0, 4095, 0, 100);

  // Debugging
  Serial.print("Potensiometer 1: ");
  Serial.print(volumeLevel1);
  Serial.print("%, Potensiometer 2: ");
  Serial.println(volumeLevel2);
}

// Fungsi untuk membaca suhu
void updateTemperature() {
  sensors1.requestTemperatures();
  sensors2.requestTemperatures();

  temperature1 = sensors1.getTempCByIndex(0);
  temperature2 = sensors2.getTempCByIndex(0);

  // Debugging
  Serial.print("Suhu 1: ");
  Serial.print(temperature1);
  Serial.print("C, Suhu 2: ");
  Serial.println(temperature2);
}

// Fungsi untuk memperbarui tampilan LCD
void updateLCD() {
  lcd.setCursor(0, 0);
  lcd.print("CH A:");
  lcd.print(volumeLevel1);
  lcd.print("%");

  lcd.setCursor(10, 0);
  lcd.print(temperature1, 1);
  lcd.print("C ");

  lcd.setCursor(0, 1);
  lcd.print("CH B:");
  lcd.print(volumeLevel2);
  lcd.print("%");

  lcd.setCursor(10, 1);
  lcd.print(temperature2, 1);
  lcd.print("C ");
}