#include "DHT.h"
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>
#define DHTPIN 2
#define DHTTYPE DHT22

RTC_DS1307 rtc;
DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27, 16,2);

int counter = 0;
char time_buf[16];

void setup() {
  Serial.begin(9600);
  Serial.println(F("DHTxx Test!"));
  dht.begin();

    lcd.init(); //inisialisasi LCD
  // cetak pesan ke LCD
  lcd.backlight();

#if ESP8266
  while (!Serial); // menunggu serial port teroneksi
#endif

  if (! rtc.begin()) {
    Serial.println("RTC tidak ditemukan!");
    Serial.flush();
    abort();
  }
  if (! rtc.isrunning()) {
    Serial.println(("RTC tidak berjalan, ayo mengatur waktunya!"));
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));

  }
}



void dhtDimas() {
 
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);
  if(isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
  }
  
  if(t<20) {
    lcd.clear();
  lcd.setCursor(5,1);
  lcd.print("DINGIN");
  }
  else if (t>50) {
      lcd.clear();
  lcd.setCursor(5,1);
  lcd.print("PANAS");
  }
  else {
  lcd.setCursor(3,1);
  lcd.print("BIASA");
  lcd.print(" SAJA");
  }


  Serial.print(F("H:")); // F artinya dimasukan ke memory flash
  Serial.print(h);
  Serial.print(F("T:")); // mencetak di serial monitar menyamping
  Serial.print(t);
  Serial.println(F(" ºC"));
  Serial.print(F("F:")); // mencetak di serial monitar menyamping
  Serial.print(f);
  Serial.println(F(" ºF"));
}

void rtcDimas() {
  DateTime now = rtc.now();
sprintf(time_buf, "%04u/%02u/%02u %02u:%02u:%02u",now.year(), now.month(), now.day(), now.hour(), now.minute(), now.second());
Serial.print(time_buf);
Serial.println();
  lcd.setCursor(0,0);
lcd.print(time_buf);
}

void loop() {
 dhtDimas();
 rtcDimas();
 delay(2000);
}