c5e3

// thx @trollkopp for helping me optimizing the code

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

// ARDUINO
#define OLED_MOSI  11
#define OLED_CLK   12

zonque

/*
 * Minimalistic implementation of the XModem/YModem protocol suite, including
 * a compact version of an CRC16 algorithm. The code is just enough to upload
 * an image to an MCU that bootstraps itself over an UART.
 *
 * Copyright (c) 2014 Daniel Mack <github@zonque.org>
 *
 * License: MIT
 */