// ********************************************************************
// *                                                                  *
// * NAME        : Shaan Sandhu                                       *
// * Program Name: Arduino lab test B                                 *
// * Date        : 2023-04-14                                         *
// * Desc        : click a button to display a message                *
// *                                                                  *
// ********************************************************************

int button = 3;
int led = 10;

#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);




void setup() {
  pinMode(led, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("*MENU  SYSTEM*");
  delay(1000);
  pinMode(button, INPUT_PULLUP);
  attachInterrupt( digitalPinToInterrupt(button), menuOption, FALLING);

} // end setup

void loop() {
  if (digitalRead(button) == 0) {
    lcd.print("*FIRST MENU*");
  } // end if
  if (digitalRead(button) == 0) {
    lcd.print("*START UP MENU*");
  } // end if
  if (digitalRead(button) == 0) {
    lcd.print("*Play Menu*");
  } // enf if
  if (digitalRead(button) == 0) {
    lcd.print("*Win Menu*");
  } // end if
  digitalWrite(led, HIGH);
  if (digitalRead(button) == 0) {
    lcd.print("*Game Fin*");
  } // end if
} // end loop






void menuOption() {
  static unsigned long last_interrupt_time = 0;
  unsigned long        interrupt_time = millis();
  if  (interrupt_time - last_interrupt_time > 200) {

    last_interrupt_time = interrupt_time;
  } // end if
  if   (interrupt_time - last_interrupt_time > 300) {

    last_interrupt_time = interrupt_time;
  } // end if
  if  (interrupt_time - last_interrupt_time > 400) {


    last_interrupt_time = interrupt_time;
  } // end if
  if (interrupt_time - last_interrupt_time > 500) {

    last_interrupt_time = interrupt_time;
  } // end if
  if (interrupt_time - last_interrupt_time > 600) {

    last_interrupt_time = interrupt_time;
  }// end if()
} // end function