Mihai Tudor Panu c8e80bf6a3 stepmotor: made significant changes to stepper driver ...

Fun to work on, I have maybe 3 different implementations for this one now.
Submitted version uses GPIOs only, no more PWM thus enhancing compatibility.
Fast writes and busy-wait delays ensure accuracy to a few μs when generating
the step pulses.

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

2015-12-18 16:53:27 -08:00

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