//LCD
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

//RTC
#include "RTClib.h"
RTC_DS1307 rtc;
int jam, menit, detik;
int tahun, bulan,tanggal; 
String line1;
char hari[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jum'at", "Sabtu"};

//SENSOR JARAK
int trig_pin = 2;
int echo_pin = 3;
long echotime; 
float jarak;

//SENSOR SUHU
#include <OneWire.h> 
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 4
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
int celcius, fahrenheit;

//SD CARD
#include <SD.h>
#include <SPI.h>
const int chipSelect = 10;
File dataFile;

void setup() {
  
  //LCD
  Serial.begin(9600);
  lcd.begin(0x27, 16, 2);
  lcd.setBacklight(HIGH);
  lcd.setCursor(3,0);
  lcd.print("MEKATRONIK");
  lcd.setCursor(3,1);
  lcd.print("KELOMPOK 2");
  delay(2000);
  lcd.clear();

  int u;
    lcd.setCursor(0, 0);
  lcd.print("Data Loger Suhu Dan Jarak");
  for (u = 0 ; u < 24; u++) {
    lcd.scrollDisplayLeft();
    delay(250);
  }
  lcd.clear();

//RTC
lcd.setCursor(0,0);
lcd.print("memulai... ");
lcd.setCursor(0,1);
lcd.print("RTC DS1307");
delay(1500);
lcd.clear();
if (! rtc.begin()) {
    Serial.println("RTC terputus!");
    while (1);
  }

  if (! rtc.isrunning()) {
    Serial.println("Setel ulang waktu!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

//SENSOR JARAK
lcd.setCursor(0,0);
lcd.print("memulai... ");
lcd.setCursor(0,1);
lcd.print("SENSOR HC-SR04");
delay(1500);
lcd.clear();
  pinMode(trig_pin, OUTPUT); 
  pinMode(echo_pin, INPUT);
  digitalWrite(trig_pin, LOW);

//SENSOR SUHU
lcd.setCursor(0,0);
lcd.print("memulai... ");
lcd.setCursor(0,1);
lcd.print("SENSOR DALLAS");
delay(1500);
lcd.clear();
  sensors.begin();

//SD CARD
lcd.setCursor(0,0);
lcd.print("memulai... ");
lcd.setCursor(0,1);
lcd.print("SD CARD");
delay(1500);
lcd.clear();
while (!SD.begin(chipSelect)) {
    Serial.println("MASUKAN SD CARD!");
  }
  Serial.println("SD OK");
  delay(1500);
}

void loop(){
//RTC
  DateTime now = rtc.now();
  jam = now.hour();
  menit = now.minute();
  detik = now.second();
  tahun = now.year();
  bulan = now.month();
  tanggal = now.day();

//SENSOR JARAK
  digitalWrite(trig_pin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig_pin, LOW);
  echotime= pulseIn(echo_pin, HIGH);
  jarak= 0.0001*((float)echotime*342.0)/2.0;
  lcd.setCursor(0,1);
  lcd.print("Jarak: ");
  lcd.print(jarak);
  lcd.setCursor(14,1);
  lcd.print("cm");
 

//SENSOR SUHU 
 sensors.requestTemperatures();
  celcius = sensors.getTempCByIndex(0);
  fahrenheit = sensors.getTempFByIndex(0);
  lcd.setCursor(0,0);
  lcd.print(celcius);
  lcd.print("C");
  lcd.print("/");
  lcd.print(fahrenheit);
  lcd.print("F");

//SD CARD
    line1 = String("(") + hari[now.dayOfTheWeek()] + "," + tanggal + "/" + bulan + "/" + tahun + "," + jam + ":" + menit + ":" + detik + ") " + jarak + "cm" + "," + celcius + "C/" + fahrenheit + "F";
    dataFile = SD.open("log.txt", FILE_WRITE);
    if(dataFile){
      Serial.print(line1);
      Serial.println();
      dataFile.println(line1);
      dataFile.close();
      Serial.print("tersimpan");
      Serial.println();
      Serial.println("---------------------------------------------");
      lcd.setCursor(14, 0);
      lcd.println("ok");
    }
    else{
      Serial.println("GAGAL MENYIMPAN!");
      lcd.setCursor(15, 0);
      lcd.println("!");
    }
delay(1000);
}