Hello, i've just published this library, i hope it can help your developing.
AVR uartConfig is a small footprint library you can use to config your arduino eeprom through uart communication.
AVR uartConfig is a set of tools running on Windows, Linux and Mac, made up or:
* a avrgcc firmware library
* a commandline utility
* a gui tool
This library prevent you to wire up a disply and buttons to configure your micro eeprom. For example is it usefull to setup PID parameters of your robot by uart/bluetooth uart, or for other small devices that doesn't came with an output/input interface.
more information and download here: http://davidegironi.blogspot.it/2013/03/avr-uartconfig-atmega-and-arduino.html