Hey! Don’t know if this has been posted here before but I leave this great project to enable MPCNC to the next level. It’s still on development stages but it promises a lot.
https://www.youtube.com/watch?v=HGSWO_Yhouc
All credit goes to Frank Herrmann - https://plus.google.com/u/0/+FrankHerrmann1967
It seems that the smoothieboard/smoothieware author (Arthur Wolf) was/is also working on a similar project - https://plus.google.com/u/0/+ArthurWolf