Simple test program for Barco NX4 led panels.

This is primarily a driver for the Texas Instruments TLC5941 which are used extensively on the Barco NX led panels.

• Displays a BRG pattern across the entire panel with dot-correction.
• Minimal ISE project.

Derived from code developed by Richard Alpin (@DrTune) BARCO NX-4 GROUP REVERSING ADVENTURE.