text: /* Teensyduino Core Library
   * http://www.pjrc.com/teensy/
   * Copyright (c) 2015 PJRC.COM, LLC.
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * 1. The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * 2. If the Software is incorporated into a build system that allows
   * selection among a list of target devices, then similar target
   * devices manufactured by PJRC.COM must be included in the list of
   * target devices and selectable in the same manner.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  #include "usb_dev.h"
  #include "usb_mtp.h"
  #include "core_pins.h" // for yield()
  #include "HardwareSerial.h"
  
  #ifdef MTP_INTERFACE // defined by usb_dev.h -> usb_desc.h
  #if F_CPU >= 20000000
  
  void usb_mtp_update(void)
  {
  	serial_print("test\n");
  
  	// TODO: a lot of work here....
  
  
  
  }
  
  
  #endif // F_CPU
  #endif // MTP_INTERFACE
  