issues steps, not floating points, on motion tick

2020-08_psu-breakout/2020-08_psu-breakout.brd

2020-08_psu-breakout/2020-08_psu-breakout.sch

2020-08_psu-breakout/eagle.epf

firmware/motion-head/src/indicators.h

firmware/motion-head/src/main.cpp

firmware/motion-head/src/osape-d51

firmware/motion-head/src/smoothie/SmoothieConfig.h

firmware/motion-head/src/smoothie/SmoothieRoll.cpp

firmware/motion-head/src/smoothie/SmoothieRoll.h

.../motion-head/src/smoothie/modules/robot/StepInterface.cpp

...re/motion-head/src/smoothie/modules/robot/StepInterface.h

log/modular-motion-head-log.md