/*
Dibuat Oleh 
Nama : Efrino Wahyu Eko Pambudi
NIM : 3.34.22.1.07
Kelas : IK - 2B
*/
#include <LiquidCrystal_I2C.h>
#include <Keypad.h>
#include <EEPROM.h>
#define E_DEV 25
int eeAddress = 0;
int status_dev; 
LiquidCrystal_I2C lcd(0x27, 16, 2);
int key;

void setup() {
 Serial.begin(115200);
 pinMode(E_DEV, OUTPUT);
 EEPROM.begin(1000);
 lcd.init();
 lcd.backlight();
 status_dev = EEPROM.read(eeAddress);
 lcd.print("Device Control: ");
 lcd.setCursor(0,1);
 if(status_dev == HIGH) {
  lcd.print("ON ");
 }
 else {
 lcd.print("OFF "); 
 } 
 digitalWrite(E_DEV, status_dev);
}

void loop() {
  key = Serial.read();
  if (key){
    switch(key) {
      case '0': {
        digitalWrite(E_DEV, LOW); 
        lcd.setCursor(0,1); lcd.print("OFF ");
        EEPROM.write(eeAddress, LOW);
        EEPROM.commit(); break;
      }
      case '1': {
        digitalWrite(E_DEV, HIGH); 
        lcd.setCursor(0,1); lcd.print("ON ");
        EEPROM.write(eeAddress, HIGH);
        EEPROM.commit(); break;
      }
    }
  }
}