This E-Paper firmware mod is based on Dmitry Grinbergs firmware which is available here:
http://dmitry.gr/?r=05.Projects&proj=29.%20eInk%20Price%20Tags

Many thanks to Dmitry for sharing such a wonderful work !

The license is simple: 
This code/data/waveforms are free for use in hobby and other non-commercial products. For commercial use, Dmitry: licensing@dmitry.gr
