Bitmap and Triangles demo on 0.96" I2C 128x64 OLED display connected to Arduino UNO

Arduino-UNO-bitmap-triangles-I2C-OLED-display-demo.ino

/*
 * Bitmap and Shatterring-glass demo on 0.96" I2C 128x64 OLED display connected to Arduino UNO
 *
 * Demo Video: https://youtu.be/El5VYXpw27I
 *
 * Author: TheCodeartist (cvs268@gmail.com) 2015
 * Licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
 * http://creativecommons.org/licenses/by-sa/4.0/
 * 
 * 
 * Uses u8glib - Universal 8bit Graphics Library, http://code.google.com/p/u8glib/
 * Copyright (c) 2012, olikraus@gmail.com All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this list 
 *   of conditions and the following disclaimer.
 *   
 * * Redistributions in binary form must reproduce the above copyright notice, this 
 *   list of conditions and the following disclaimer in the documentation and/or other 
 *   materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// Select the proper pin to which the buzzer is connected.
const uint8_t soundPin = 8;

/**************************************************
 * Public Constants for sounds derived from 
 * http://www.arduino.cc/en/Tutorial/Tone
 *************************************************/
#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978

// A simple melody with 8 notes...
int melody[] = {
  NOTE_A4, NOTE_C4, NOTE_D4, NOTE_C4, 0, NOTE_C3, NOTE_A3, 0
};

// ...and the durations of each corresponding note above.
int noteDurations[] = {
  4, 4, 8, 4, 0, 8, 4, 4
};

void playMelody() {
  
  // melody tempo linked to frame-rate.
  static uint8_t callCounter = 0;
  static uint8_t thisNote = 0;

  // Each melody has 8 notes, each note is played for 16 calls to draw().
  // Each demo has 16 frames, each frame comprises of 8 calls to draw().
  // Effectively each melody plays for exactly 1 iteration of a demo.
  // There are 4 instances of demos in each iteration of main activity loop.
  if ((callCounter++ & 0xf) == 0) {

    // stop the currently playing tone to preapre for next tone.
    noTone(soundPin);

    uint16_t noteDuration = 1000 / noteDurations[thisNote];
    tone(soundPin, melody[thisNote], noteDuration);
    
    thisNote++;

    // if completed playing entire melody, repeat it again.
    if (thisNote > 7) {
      thisNote = 0;
    }
  }
}

#include "U8glib.h"

// Fast I2C/TWI
U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_DEV_0|U8G_I2C_OPT_NO_ACK|U8G_I2C_OPT_FAST);

const uint8_t nvidia_bitmap_dark[] PROGMEM = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0xff,0xff,0xfe,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x07,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x03,0xf8,0x00,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x1f,0xe7,0xc0,0x3f,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x7e,0x07,0xf8,0x0f,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0xf8,0x07,0xfe,0x07,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x03,0xf0,0x00,0x7f,0x01,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x07,0xc0,0x78,0x0f,0xc0,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x1f,0x81,0xf8,0x03,0xe0,0x7f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x3f,0x07,0xe0,0x01,0xf0,0x3f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x7e,0x0f,0x87,0x00,0xf8,0x1f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x7c,0x1f,0x07,0x80,0xf8,0x3f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x7e,0x1e,0x07,0xc3,0xf0,0x7f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x3e,0x1e,0x07,0xe7,0xe0,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x3f,0x0f,0x07,0xef,0xc1,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x1f,0x0f,0x07,0xff,0x83,0xfb,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x0f,0x87,0x87,0xff,0x07,0xf0,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x0f,0x83,0xc7,0xfc,0x0f,0xc0,0x3f,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x07,0xc1,0xe7,0xf8,0x3f,0x80,0x1f,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x03,0xe0,0xfb,0xc0,0x7f,0x00,0x1f,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x01,0xf0,0x78,0x01,0xfc,0x00,0x7f,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0xf8,0x08,0x0f,0xf8,0x00,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x7e,0x07,0xff,0xe0,0x03,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x3f,0x07,0xff,0x00,0x1f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x0f,0xe7,0xf8,0x00,0x7f,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x07,0xf8,0x00,0x03,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0xf8,0x00,0x3f,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x07,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x1f,0xf8,0x3c,0x0f,0x3c,0x7f,0x80,0xe0,0x1f,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x1f,0xfe,0x3c,0x0f,0x3c,0xff,0xe0,0xf0,0x3f,0x80,0x00,0x00,0x00
,0x00,0x00,0x00,0x1f,0xff,0x3c,0x0f,0x3c,0xff,0xf0,0xf0,0x3f,0x80,0x00,0x00,0x00
,0x00,0x00,0x00,0x1f,0xff,0x1e,0x1e,0x3c,0xf0,0xf8,0xf0,0x3f,0x80,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x0f,0x9e,0x1e,0x3c,0xf0,0x78,0xf0,0x7b,0xc0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x9e,0x1e,0x3c,0xf0,0x3c,0xf0,0x73,0xc0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x8f,0x3c,0x3c,0xf0,0x3c,0xf0,0xf1,0xe0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x8f,0x3c,0x3c,0xf0,0x3c,0xf0,0xf1,0xe0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x8f,0x3c,0x3c,0xf0,0x3c,0xf0,0xe0,0xe0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x87,0x38,0x3c,0xf0,0x3c,0xf1,0xff,0xf0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x87,0xf8,0x3c,0xf0,0x78,0xf1,0xff,0xf0,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x87,0xf8,0x3c,0xff,0xf8,0xf3,0xff,0xf8,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x87,0xf0,0x3c,0xff,0xf0,0xf3,0xc0,0x78,0x00,0x00,0x00
,0x00,0x00,0x00,0x1e,0x07,0x83,0xf0,0x3c,0xff,0xe0,0xf3,0x80,0x78,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};

const uint8_t nvidia_bitmap_bright[] PROGMEM = {
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xf0,0x00,0x00,0x01,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0x07,0xf8,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xf8,0x07,0xff,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xe0,0x18,0x3f,0xc0,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0x80,0xf8,0x07,0xf0,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0x07,0xf8,0x01,0xf8,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xfc,0x0f,0xff,0x00,0x7e,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xf8,0x3f,0x87,0xf0,0x3f,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xe0,0x7e,0x07,0xfc,0x1f,0x80,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xc0,0xf8,0x1b,0xfe,0x0f,0xc0,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0x81,0xf0,0x78,0xff,0x07,0xe0,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0x83,0xe0,0xf8,0x7f,0x07,0xc0,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0x81,0xe1,0xf8,0x3c,0x0f,0x80,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xc1,0xe1,0xf8,0x18,0x1f,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xc0,0xf0,0xf8,0x10,0x3e,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xe0,0xf0,0x78,0x00,0x7c,0x04,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xf0,0x78,0x78,0x00,0xf8,0x0f,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xf0,0x3c,0x38,0x03,0xf0,0x3f,0xc0,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xf8,0x3e,0x08,0x07,0xc0,0x7f,0xe0,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xfc,0x1f,0x00,0x3f,0x80,0xff,0xe0,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xfe,0x0f,0x87,0xfe,0x03,0xff,0x80,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0x07,0xe7,0xf0,0x07,0xff,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0x81,0xf8,0x00,0x1f,0xfc,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xc0,0xf8,0x00,0xff,0xe0,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xe0,0x18,0x07,0xff,0x80,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xf8,0x07,0xff,0xfc,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0x07,0xff,0xc0,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xe7,0xf8,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xf8,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xe0,0x07,0xc3,0xf0,0xc3,0x00,0x7f,0x0f,0xe0,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xe0,0x01,0xc3,0xf0,0xc3,0x00,0x0f,0x0f,0xc0,0x7f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe0,0x00,0xc3,0xf0,0xc3,0x00,0x07,0x0f,0xc0,0x7f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe0,0x00,0xe1,0xe1,0xc3,0x06,0x07,0x0f,0xc0,0x7f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf0,0x61,0xe1,0xc3,0x0f,0x83,0x0f,0x84,0x3f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x61,0xe1,0xc3,0x0f,0xc3,0x0f,0x8c,0x3f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x70,0xc3,0xc3,0x0f,0xc3,0x0f,0x0e,0x1f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x70,0xc3,0xc3,0x0f,0xc3,0x0f,0x0e,0x1f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x70,0xc3,0xc3,0x0f,0xc3,0x0f,0x1f,0x1f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x70,0xc7,0xc3,0x0f,0xc3,0x0e,0x00,0x0f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x78,0x07,0xc3,0x0f,0x83,0x0e,0x00,0x0f,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x78,0x07,0xc3,0x00,0x07,0x0c,0x00,0x07,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x78,0x0f,0xc3,0x00,0x0f,0x0c,0x3f,0x87,0xff,0xff,0xff
,0xff,0xff,0xff,0xe1,0xf8,0x7c,0x0f,0xc3,0x00,0x1f,0x0c,0x3f,0x87,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff  
};

void u8g_nvidia_logo_dark(void) {
  // Bright logo on overall dark background.
  u8g.drawBitmapP( 0, 0, 16, 64, nvidia_bitmap_dark);
}

void u8g_nvidia_logo_bright(void) {
  // Dark logo on overall bright background.
  u8g.drawBitmapP( 0, 0, 16, 64, nvidia_bitmap_bright);
}

void u8g_shatter_glass(uint8_t a) {
  uint16_t offset = a;
  // The glass pane breaks into 4 shards.
  // Each shard is a triangle moving away from the centre.
  // Upon each invocation of this function,
  // the shards are drawn progresively further apart using the offset.
  u8g.drawTriangle(14-offset*2,7, 45-offset*2,30, 10-offset*2,40);
  u8g.drawTriangle(14+offset,7-offset, 45+offset,30-offset, 57+offset,10-offset);
  u8g.drawTriangle(57+offset*2,10, 45+offset*2,30, 86+offset*2,53);
  u8g.drawTriangle(10+offset,40+offset, 45+offset,30+offset, 86+offset,53+offset);
}

void draw(uint8_t frame_counter) {
  // 256 frames in a loop.
  // Render each demo for a quarter of the loop
  // 0x40 = 0b01000000 frames each
  switch(frame_counter >> 6) {
    case 0: u8g_nvidia_logo_dark(); break;
    case 1: u8g_shatter_glass(frame_counter&15); break;
    case 2: u8g_nvidia_logo_bright(); break;
    case 3: u8g_shatter_glass(frame_counter&15); break;
  }
}

void printHex(uint8_t num, uint8_t x, uint8_t y)
{
  // call procedure from base class, http://arduino.cc/en/Serial/Print
  switch (num) {
    case 0: u8g.drawStr(x, y, "0"); break;
    case 1: u8g.drawStr(x, y, "1"); break;
    case 2: u8g.drawStr(x, y, "2"); break;
    case 3: u8g.drawStr(x, y, "3"); break;
    case 4: u8g.drawStr(x, y, "4"); break;
    case 5: u8g.drawStr(x, y, "5"); break;
    case 6: u8g.drawStr(x, y, "6"); break;
    case 7: u8g.drawStr(x, y, "7"); break;
    case 8: u8g.drawStr(x, y, "8"); break;
    case 9: u8g.drawStr(x, y, "9"); break;
    case 10: u8g.drawStr(x, y, "a"); break;
    case 11: u8g.drawStr(x, y, "b"); break;
    case 12: u8g.drawStr(x, y, "c"); break;
    case 13: u8g.drawStr(x, y, "d"); break;
    case 14: u8g.drawStr(x, y, "e"); break;
    case 15: u8g.drawStr(x, y, "f"); break;
  }  
}

void print8bitHex(uint8_t num, uint8_t x, uint8_t y)
{
  printHex((num & 0xf0)>>4, x, y);    // print the upper nibble
  printHex(num & 0x0f, x+6, y);       // print the lower nibble
}

void print16bitHex(uint16_t num, uint8_t x, uint8_t y)
{
  printHex((num & 0xf000)>>12, x, y); // print 3rd nibble (MSB)
  printHex((num & 0xf00)>>8, x+6, y); // print 2nd nibble (MSB)
  printHex((num & 0xf0)>>4, x+12, y); // print 1st nibble (LSB)
  printHex(num & 0x0f, x+18, y);      // print 0th nibble (LSB)
}

void setup(void) {

  //u8g.setRot180();                  // flip screen, if required
  u8g.setFont(u8g_font_6x10);         // plain-old text mode :P
  u8g.setFontRefHeightExtendedText(); 
  u8g.setDefaultForegroundColor();
  u8g.setFontPosTop();

  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);             // LED ON = setup complete
}

void loop(void) {

static uint8_t draw_state = 0;
static uint16_t counter = 0;  

  // Main activity loop  
  u8g.firstPage();                    // Beging frame update
  do {
    draw(draw_state);                 // render gfx
    playMelody();                     // play background music
    counter++;                        // increment the internal-counter
    print16bitHex(counter, 0, 0);     // render text (internal-counter)
    print8bitHex(draw_state, 0, 10);    // render text (frame-counter)
  } while( u8g.nextPage() );          // frame update in-progress
  
  draw_state++;                       // increment the state (frame-counter)
}