Support for external stepper controller for extruder #58
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To hook it up: Enable is D10 Direction is Pin 7 of that quadrature. Step is Pin 8 of the quatrature. You should connect ground to your stepper driver somewhere. Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
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This adds support to use an external stepper controller to drive a stepper extruder instead of using the h-bridges.
Testing with MBI EC and MBI SC: http://www.flickr.com/photos/koenkooi/5144834329/