There has been a few times where people have asked about functionality for using steppers in MicroPython. Atm there isn't any real way to do this because speed at which the ramp up and ramp down step pulses need to be generated at.
I have made public my basic C code for being able to generate stepper motor pulses using timers on a STM32 and timer interrupts for creating the smooth ramping as inline with these principles found here https://www.embedded.com/generate-stepp ... real-time/
ATM it is very basic and will require a fair bit of work to build into a MP API but if anyone wants to use my code to do this they are welcome.
https://github.com/OutOfTheBots/stepper/tree/master
A short video here of this code running on a stepper as demo here https://www.youtube.com/watch?v=ryh_fY4 ... e=youtu.be
Low level stepper motor functionallity
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OutoftheBOTS_
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