#include <Arduino.h>
#include <U8g2lib.h>
#include <Wire.h> // library required for IIC communication

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE); // initialization for the used OLED display


void setup(void) {
  u8g2.begin(); // start the u8g2 library
  u8g2.setFont(u8g2_font_10x20_tf);
  u8g2.setFontRefHeightExtendedText();
  u8g2.setDrawColor(1);
  u8g2.setFontPosTop();
  u8g2.setFontDirection(0);

}

void loop(void) {
  //u8g2.firstPage();
  for (int i = -31; i < 128; i++)
  {
    u8g2.clearBuffer();
    u8g2.drawUTF8(0,0,i);;
    u8g2.drawBox(0 + i, 54 - i % 2, 31, 6);
    u8g2.drawBox(7 + i, 48 - i % 2, 17, 6);
    u8g2.drawDisc(7 + i, 59, 4);
    u8g2.drawDisc(22 + i, 59, 4);
    switch (i % 6)
    {
    case 0:
      u8g2.drawDisc(-6 + i, 59, 1);
      break;
    case 1:
      u8g2.drawDisc(-12 + i, 58, 2);
      break;
    case 2:
      u8g2.drawDisc(-16 + i, 57, 3);
      break;
    default:
      break;
    }
    u8g2.sendBuffer();
  }
   //u8g2.nextPage();
  //delay(200);  
}