This is an Arduino interface library for interfacing with an alternative firmware https://github.com/fornellas/RGB_Backpack_4096_Colors for Sparkfun's serial interface RGB LED Matrix (http://www.sparkfun.com/products/760).
admalledd/SFRGBLEDMatrix
Alternative firmware and Arduino interface library for Sparkfun's LED Matrix - Serial Interface - Red/Green/Blue.
C