#include <Arduino.h>
#include <Wire.h>
#include <U8g2lib.h>

U8G2_SSD1306_128X64_NONAME_F_SW_I2C u8g2(U8G2_R0,12,14,U8X8_PIN_NONE);

void setup(void) {
  pinMode(0, INPUT_PULLUP);  //flash button on GPIO0
  u8g2.begin();
}

void loop(void) {
  u8g2.clearBuffer();
  u8g2.setFont(u8g2_font_7x14B_tr);
  u8g2.drawStr(10,10,"HackerBoxes");
  u8g2.drawStr(10,30,"Hack the Planet.");
  u8g2.sendBuffer();
  while(1){
    if(digitalRead(0))
      u8g2.drawStr(15,60,"FLASH BUTTON 0");
    else 
      u8g2.drawStr(15,60,"FLASH BUTTON 1");
    u8g2.sendBuffer();
    delay(50);
  }
}