//By Tyler Gerritsen
//2017-11-25
//vtgerritsen@gmail.com

#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>  // F Malpartida's NewLiquidCrystal library


#define I2C_ADDR    0x27  // Define I2C Address for controller
#define BACKLIGHT_PIN  3
#define En_pin  2
#define Rw_pin  1
#define Rs_pin  0
#define D4_pin  4
#define D5_pin  5
#define D6_pin  6
#define D7_pin  7

#define  LED_OFF  0
#define  LED_ON  1
LiquidCrystal_I2C  lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin, BACKLIGHT_PIN, POSITIVE);

void setup() 
{
  lcd.begin (20,4);  // initialize the lcd
// Switch on the backlight
  //lcd.setBacklightPin(BACKLIGHT_PIN,NEGATIVE);
  lcd.backlight();
}

void loop()  
{

// Reset the display 
  lcd.home();
 
// Print on the LCD
  lcd.backlight();  
  for (byte i = 0; i < 4; i++){
    lcd.setCursor(0,i); 
    lcd.print("Hello, world! Hi hi!");
  }
  delay(1000);
  lcd.clear();
}