#include <LiquidCrystal.h>;
#include <DS18B20.h>; 
#include <DHT.h>;
#include <OneWire.h>;
#include <DallasTemperature.h>;
#include "U8glib.h"            // U8glib library for the OLED

// const
// select the pins used on the LCD panel
const int rs = 13, rs2 = 11, rs3 = 9,en = 12, en2 = 10, en3 = 8, d4 = 6, d5 = 5, d6 = 4, d7 = 3;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
LiquidCrystal lcd2(rs2, en2, d4, d5, d6, d7);
LiquidCrystal lcd3(rs3, en3, d4, d5, d6, d7);
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_FAST); 
#define ONE_WIRE_BUS 2

//DS18B20 ds(8); 
#define DHTPIN 7      // what pin we're connected to
#define DHTTYPE DHT22   // DHT 22  (AM2302)
DHT dht(DHTPIN, DHTTYPE); //// Initialize DHT sensor for normal 16mhz Arduino

//char
byte customChar[8] = {
	0b00111,
	0b00101,
	0b00111,
	0b00000,
	0b00000,
	0b00000,
	0b00000,
	0b00000
};

//EMF Bar

byte Bar[8] = {
        B11111,
        B00000,
        B11111,
        B11111,
        B11111,
        B11111,
        B00000,
        B11111
};

byte L[8] = {
        B00111,
        B01000,
        B10100,
        B10100,
        B10100,
        B10111,
        B01000,
        B00111
};

byte R[8] = {
        B00111,
        B01000,
        B10110,
        B10101,
        B10110,
        B10101,
        B01000,
        B00111
};

byte EndMark[8] = {
        B10000,
        B01000,
        B00100,
        B00100,
        B00100,
        B00100,
        B01000,
        B10000
};

byte EmptyBar[8] = {
        B11111,
        B00000,
        B00000,
        B00000,
        B00000,
        B00000,
        B00000,
        B11111
};

byte peakHoldChar[8] = {
        B11111,
        B00000,
        B01110,
        B01110,
        B01110,
        B01110,
        B00000,
        B11111
};

//var
int lcd_key     = 0;
int chk;
//lcd.init();          // Initiate the LCD module
//lcd.backlight();
float hum;  //Stores humidity value
float temp; //Stores temperature value
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);


//setup
void setup()
{
 Serial.begin(9600); 
 sensors.begin();
 dht.begin();
 lcd.begin(16, 2);              // start the library
 lcd.createChar(0, customChar);
 lcd.setCursor(0,0);
 lcd.print("            (L1)");
 
 lcd2.begin(16, 2);
 lcd2.createChar(0, customChar);
 lcd2.setCursor(0,0);
 lcd2.print("            (L2)");

 lcd3.begin(16, 2); 
 lcd3.createChar(0, customChar);
 lcd3.setCursor(0,0);
 lcd3.print("            (L3)");

}

void loop()
{
//Read data and store it to variables hum and temp
    sensors.requestTemperatures(); 
    hum = dht.readHumidity();
    temp = dht.readTemperature();

//Print temp and humidity values to lcd
    lcd.print("H:");
    lcd.print(hum);
    lcd.print("% ");

//LCD 1
    lcd.setCursor(0,1);
    lcd.print("Temp1 :");
    lcd.print(sensors.getTempCByIndex(0));
    lcd.write((uint8_t)0);
    lcd.println("C   _");
    lcd.setCursor(0,0);

//LCD 2
    lcd2.print("Temp2 : ");
    lcd2.print(temp);
    lcd2.write((uint8_t)0);
    lcd2.println("C");
    lcd2.setCursor(0,1); 
//OLED
  u8g.firstPage();  
  do 
    {
     draw();      
    }
  while( u8g.nextPage() );
  //delay(500);
}

void draw(void) 
{
  u8g.setFont(u8g_font_10x20);        // select font
  u8g.drawStr(8, 15, "Temperatuur"); 
  u8g.setPrintPos(33,40);
  //u8g.drawRFrame(15, 20, 100, 30, 10);     // draws frame with rounded edges
  u8g.println(temp);                        //Prints the temp
  u8g.println(" C");
}