// Title: Activity #4.1.2 LCD Slide Switch
// Description: Program a Liquid Crystal Display to display a message when a switch is activated
// Created by: Sarah Mashiat
// Start date: 10/12/2021
// Completion date: 10/15/2021

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27,20,4);
int numarray[] = {1,2,3,4,5};
int slideswitch = 12, slideswitchvalue = 1;

void setup() 
{
  pinMode(slideswitch,INPUT_PULLUP);
  LCD_setup();
  LCD_Display();
}

void loop() 
{
 PrintLetter();
}

void LCD_setup()
{
  lcd.init ();
  lcd.backlight();
}

void LCD_Display()
{
  lcd.setCursor (0,0);
}

void PrintLetter()
{
  slideswitchvalue = digitalRead(slideswitch);
  if (slideswitchvalue == 0) 
  {
    for (int i = 0 ; i <= 4; i++)
    {
       lcd.print(numarray[i]);
       delay(1100);
    }
    lcd.clear();
  }
  else 
  {
    lcd.print("Hello,everyone");
    delay(1000);
    lcd.clear();
  }
}