Kevin O'Connor 123719bf92 stepper: Fix bug causing 'enable_pin' to be required
Make sure to initialize mcu_enable to None so that it is initialized
if no 'enable_pin' config value is provided.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2017-09-19 17:20:41 -04:00
..
2016-05-25 11:37:40 -04:00