This is a software implementation of the USB low-speed protocol for
the Atmel ATtiny microcontrollers. Of course, it will also work on the
ATmega series.
** This source is free software you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License as published by the Free Software Foundation either
** version 2 of the License, or (at your option) any later version.
