SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world. And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download (registration required) various documents highlighting:

System Workbench for STM32

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Hi Dieter,

I’ve looked a bit more on the HAL way to do what I’ve sketched above.

I’ve missed at least two things:

  1. You should do a call to HAL_TIM_OC_ConfigChannel for th eoutput compare channel in your initialization routine
  2. In th einterrupt callbacks, you could know which channel is generating th einterrupt by looking at the htim->Channel field

Of course the initialzation part can be simplified a lot if you use CubeMX...

Bernard (Ac6)