#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
 
const uint8_t PROGMEM batman[] = {
    // 'D64E93C9-7240-4C50-8ACA-1E3B7171CA28', 128x64px
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x03, 0xc0, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x1f, 0xf0, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x0f, 0xfe, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x03, 0xff, 0x80, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0xff, 0xf0, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x20, 0x00, 0x1f, 0xfc, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0xf8, 0x00, 0x07, 0xff, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xf8, 0x07, 0xff, 0x00, 0x07, 0xff, 0xe0, 0x0f, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc6, 0x1f, 0xff, 0xc0, 0x1f, 0xff, 0xf8, 0x7b, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc1, 0xff, 0xff, 0xf0, 0xff, 0xff, 0xff, 0xc3, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x1f, 0xff, 0xff, 0xfc, 0x00, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x07, 0xff, 0xff, 0xf0, 0x00, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x40, 0x00, 0xff, 0xff, 0x80, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x78, 0x00, 0x3f, 0xfe, 0x00, 0x0f, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7e, 0x00, 0x07, 0xf0, 0x00, 0x3f, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7f, 0xc0, 0x01, 0xc0, 0x01, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7f, 0xf0, 0x01, 0xc0, 0x07, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7b, 0xfc, 0x01, 0xc0, 0x3f, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x78, 0xff, 0x81, 0xc0, 0xff, 0xff, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x78, 0x1f, 0xe1, 0xc1, 0xff, 0xf8, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x78, 0x07, 0xf9, 0xc1, 0xff, 0xe0, 0x03, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x78, 0x00, 0xff, 0xc1, 0xff, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x78, 0x00, 0x3f, 0xc1, 0xfc, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7c, 0x00, 0x0f, 0xc1, 0xe0, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x7f, 0x80, 0x01, 0xc1, 0x80, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x1f, 0xe0, 0x01, 0xc0, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x07, 0xf8, 0x01, 0xc0, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xc0, 0x01, 0xff, 0x01, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x3f, 0x81, 0xc0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x0f, 0x81, 0xc0, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x01, 0x81, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x01, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x01, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x01, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x01, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x01, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc1, 0xc1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf1, 0xcf, 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, 0xfe, 0x3f, 0xff, 
0x07, 0x83, 0xc0, 0xf0, 0xe1, 0xc2, 0x00, 0x60, 0x18, 0x70, 0xf0, 0x3c, 0x3c, 0x70, 0x06, 0x00, 
0x03, 0x83, 0xc0, 0xf0, 0xe0, 0xc3, 0xc3, 0xe1, 0xf8, 0x30, 0xf0, 0x3c, 0x1c, 0x70, 0x87, 0x0f, 
0x03, 0x03, 0xc0, 0x70, 0xe0, 0xc3, 0xc3, 0xe3, 0xf8, 0x10, 0xf0, 0x3c, 0x0c, 0x71, 0xc2, 0x1f, 
0x03, 0x03, 0x84, 0x70, 0xe0, 0x43, 0xc3, 0xe1, 0xf8, 0x00, 0xe0, 0x1c, 0x04, 0x61, 0xfe, 0x0f, 
0x11, 0x23, 0x84, 0x70, 0xe0, 0x03, 0xc3, 0xe0, 0x38, 0x00, 0xe3, 0x1c, 0x00, 0x71, 0xfe, 0x01, 
0x10, 0x23, 0x8c, 0x30, 0xe2, 0x03, 0xc3, 0xe1, 0xf8, 0xc0, 0xe3, 0x1c, 0x20, 0x61, 0xfe, 0x1f, 
0x18, 0x23, 0x80, 0x30, 0xe3, 0x03, 0xc3, 0xe3, 0xf8, 0xc0, 0xc0, 0x0c, 0x30, 0x61, 0xc3, 0x1f, 
0x18, 0x63, 0x00, 0x30, 0xe3, 0x83, 0xc3, 0xe3, 0xf8, 0xe0, 0xc0, 0x0c, 0x30, 0x71, 0xc6, 0x1f, 
0x18, 0x63, 0x0e, 0x10, 0xe3, 0xc3, 0xc3, 0xe0, 0x18, 0xf0, 0xc7, 0x8c, 0x38, 0x70, 0x07, 0x00, 
0x1c, 0xe3, 0x1e, 0x18, 0xe3, 0xc7, 0xc3, 0xe0, 0x18, 0xf8, 0xc7, 0x84, 0x3c, 0x78, 0x1f, 0x00
};
 
#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)
#define OLED_RESET 4  // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2
// ------------------- For i2c -------------------
//// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
//#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
//Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 
// ------------------- For SPI -------------------
// Declaration for SSD1306 display connected using software SPI (default case):
// #define OLED_MOSI   D7
// #define OLED_CLK   D5
// #define OLED_DC    D2
// #define OLED_CS    D8
// #define OLED_RESET D1
// Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT,
//   OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);
 
void setup() {
  Serial.begin(115200);
 
  delay(2000);
  Serial.println(F("Starting!"));
 
  // ------------------- For SPI -------------------
   display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 128x32 or 64 from eBay)
  delay(100);
  
 
//  ------------------- For i2c -------------------
//  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
//  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
//    Serial.println(F("SSD1306 allocation failed"));
//    for(;;); // Don't proceed, loop forever
//  }
  Serial.println(F("Initialized!"));
 
  // Show initial display buffer contents on the screen --
  display.clearDisplay();
  display.drawBitmap(0, 0, batman, 128, 64, WHITE);
 
  display.display();
  delay(1000);
  display.ssd1306_command(SSD1306_DISPLAYOFF);
  display.display();
  delay(1000);
   display.ssd1306_command(SSD1306_DISPLAYON);
  display.display();
  delay(1000);
  display.ssd1306_command(SSD1306_DISPLAYOFF);
  display.display();
  delay(1000);
   display.ssd1306_command(SSD1306_DISPLAYON);
  display.display();
}
 
void loop() {
}