Maxuino and Stepper Motor

Hi, I’m developping a project with Arduino + Stepper Motor + Motor Drive, here a small video : http://vimeo.com/27670341

In this project I’m using this motor driver : http://ruggedcircuits.com/html/rugged_motor_driver.html

So now the idea is to pilote it trough MAX/MSP, and I’ve see that on the http://www.maxuino.org page there is a new stepper library for max and arduino, but the problem is that this library works with a different motor driver then the one that I use, so my question is ::

Did someone have an idea on how can I adapt this library with the example sketch to be able to use it with my motor driver??

Thanks & Best

KinoLab