lcddisplay.cpp

#include "lcddisplay.h"
#include "Arduino.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

void lcddisplay() {

  extern int seatStatus;
  extern LiquidCrystal_I2C lcd;
  extern int timeRemained;
  extern int action;

  //action=1, display avaliable and green light.
  //action=2, display temporarily out and blue light.
  //action=3, display occupied and red.
  //action=4, display invalid and flash red light.
  //action=5, display "Right ID card" when be back.
  //action=6, display "Card is registered."
  //action=7, display "NOT Right ID card"
  //action=8, display the updating the time! USED DURING THE SEAT STATUS!!!

  if (action == 4) {

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("[Error]");
    lcd.setCursor(0, 1);
    lcd.print("Invalid ID card");

  } else if (action == 1) {

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("[Available]");
    lcd.setCursor(0, 1);
    lcd.print("Insert ID card");

  } else if (action == 3) {

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("[Occupied]");
    lcd.setCursor(0, 1);
    lcd.print("Report if empty");

  } else if (action == 2) { // the instant of "away" change!

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("[Away]");
    lcd.setCursor(0, 1);
    //====Original action 2====//
    //int remainedSec = timeRemained % 60;
    //int remainedMin = (timeRemained - remainedSec) / 60;
    //lcd.print("Reset in");
    lcd.print("Reset in 0:10");
    //====Original action 2====//
    //lcd.print(remainedMin);
    //lcd.print(":");
    //lcd.print(remainedSec-remainedSec%10); // UI fix by fruit
    //lcd.print(remainedSec%10); // UI fix by fruit
  } else if (action == 5) {
    lcd.setCursor(0, 0);
    lcd.print("Right ID card");
    lcd.setCursor(0, 1);
    lcd.print("                ");
  } else if (action == 6) {
    lcd.setCursor(0, 0);
    lcd.print("Card registered.");
    lcd.setCursor(0, 1);
    lcd.print("                ");
  } else if (action == 7) {
    lcd.setCursor(0, 0);
    lcd.print("Wrong ID card");
    lcd.setCursor(0, 1);
    lcd.print("                ");
  } else if (action == 8) {
    lcd.setCursor(9, 1);
    int remainedSec = timeRemained % 60;
    int remainedMin = (timeRemained - remainedSec) / 60;
    lcd.print(remainedMin);
    lcd.print(":");
    lcd.print((remainedSec-remainedSec%10)/10);
    lcd.print(remainedSec%10);
  }
}