I am not using Halscope but my Digital storage scope on the parport pin. It >> is predictable at all times as far as the number of pulses produced >>for the >> asked percentage of pwm. It increases to pulses for the full duration >>but >> they stay at a small width pulse. Definitely PDM mode. > >That's not PDM. 100% PDM is on all the time, just like PWM. > >What you are seeing sounds more like a stepgen. Which leads me to >wonder if you "reset" enabled on your PWM output pin? That could very well be as the pin was assigned to a stepper before. I will check.
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