#define LCD;

#include <Keypad.h>
//#include <Servo.h>
#include <Wire.h>
#ifdef LCD
#include <LiquidCrystal_I2C.h>
#elif defined(OLED)
#include <Adafruit_SSD1306.h>
#include <SPI.h>
#endif
#include <Wire.h>

#ifdef LCD
//Servo myservo;
int pos = 0;    // variable to store the servo position
LiquidCrystal_I2C lcd(0x27, 16, 2);
#include <LiquidCrystal_I2C.h>

#elif defined(OLED)
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library.
// On an arduino UNO:       A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO:   2(SDA),  3(SCL), ...
// On an arduino NodeMcu:   D2(SDA),  D1(SCL), ...
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#endif
void setup()
{
#ifdef LCD
  lcd.init();
  lcd.backlight();
  lcd.begin(16, 2);
  lcd.home ();
  lcd.setCursor(3, 0);
  lcd.print("INITIALIZE");

#elif defined(OLED)
  display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS);
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(5, 25);
  display.println("INITIALIZE");
  display.display();
#endif
  // wlecome_status();
}

void loop(){

}