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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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COMP2 to trigger One-Pulse on STM32L1

Posted by bvernier on 2018-10-12 09:21

Hello,

I have successfully configured TIM4 on a STM32L152 to act in One-Pulse mode, and also successfully set-up COMP2 on the same device, I however can’t figure out how to trigger the One-Pulse mode from the output of the COMP2.

I have tried redirecting the COMP2 output to:

  • “OCxREF Clear” of TIM4,
  • the Input Capture 4 of TIM4,
  • the Input Capture 4 of TIM3 and using ITR2 as the TIM4 trigger (ITR2 is TIM3 when used on TIM4)

none of which worked.

Should any of these configurations work and I just didn’t set them up properly?
Am I supposed to do it differently?
Is there no way to connect the two directly and I should for example start the One-Pulse mode from the COMP2 interrupt?

Thanks in advance!
Ben

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