//dht inisialisasi
#include <DHT.h>
DHT dht(4, DHT22);
float suhu ;
float  kelembaban;

//ldr inisialisasi
#define ldrPin 2
const float gama = 0.7;
const float rl10 = 50;

//lcd
#include <LiquidCrystal_I2C.h>
const int col = 16;
const int row = 2;
LiquidCrystal_I2C lcd(0x27, col, row);

//btn
int btn1 = 27;
int btn2 = 26;
int btn3 = 25;


void setup() {

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("test");
  Serial.begin(115200);
  pinMode(btn1, INPUT_PULLUP);
  pinMode(btn2, INPUT_PULLUP);
  pinMode(btn3, INPUT_PULLUP);
}

void loop() {
  
  //dht value
  suhu = dht.readTemperature();
  kelembaban = dht.readHumidity();
  //celsius
  suhu != true ? "c" : "f";
  String dataCelsius = "suhu \t :" + String(suhu) + "c";
  //kelembaban
  kelembaban != false ? "c" : "f";
  String dataKelembaban = "lembab \t:" + String(kelembaban) + "%";

  //ldr value
  int nilaiLDR = analogRead(ldrPin);
  nilaiLDR = map(nilaiLDR, 4095, 0, 1015, 0);
  float voltase = nilaiLDR / 1024.*5;
  float resistansi = 2000 * voltase / (1-voltase/5);
  float kecerahan = pow(rl10*1e3*pow(10,gama)/resistansi,(1/gama));

  //menu awal
  MenuAwal();

  //animasi loading
  LoadingAnimasi();


  //tampilan sensor ke lcd
  tampilanLcd (kecerahan, dataKelembaban, dataCelsius);

}
void MenuAwal(){
  lcd.setCursor(0,0);
  lcd.print("lumens");
  lcd.setCursor(0,1);
  lcd.print("suhu");
  lcd.setCursor(10,0);
  lcd.print("lembab");
  delay(2000);
  }
void tampilanLcd(float sinar, String Lembab, String Suhu) {
  lcd.setCursor(0,0);
  lcd.print("lumen \t:" + String (sinar));
  lcd.setCursor(0,1);
  lcd.print(Lembab);
  delay(1000);
  lcd.clear();
  delay(100);
  lcd.setCursor(0,0);
  lcd.print(Suhu);
  delay(1000);
  lcd.clear();
  }

void LoadingAnimasi() { 
  int MinTik = 0;
  const int MaxTik = 5; // Jumlah titik maksimum dalam animasi

  while (MinTik <= MaxTik) {
    lcd.clear();
    lcd.setCursor(0, 1);
    lcd.print("Tungguin");
    for (int i = 0; i < MinTik; i++) {
      lcd.print(".");
    }
    delay(500); // Delay untuk kecepatan animasi
    MinTik++;
  }
  lcd.clear();}