FireStep/Arduino Stepper Driver and Client
https://github.com/firepick1/FireStep/blob/master/CHANGELOG.md
Tested with:
RAMPS1.4 with A4988 drivers @ 200 steps; 16 microsteps
EMC02 with A4988 drivers @ 400 steps; 16 microsteps
Arduino IDE 1.6.5
Arduino Mega2560, Arduino Due