Using STM32 HAL with CTL

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Roy Deabill

• March 11, 2025 11:05

Hi, We have been using a project structure where we use the initial start up and peripheral control routines generate by the STM32CubeMx, and we then integrate this with an interface to Rowley CTL to provide a multi-threaded system.

I have now been tasked with implementing a low power solution using the power saving functionality of the STM32U5. This is generating a number of problems with the PendSV handling causing a hard Fault on exit from the low power mode.

I was wondering if anyone else has attempted this type of thing and if they could provide any pointers that may help. 

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  Michael Johnson

  • March 11, 2025 11:35

  test10.c - uses ctl_sleep which sort of does this i.e. it sets the systick timer to a wakeup time and then uses wfi.

  It assumes that the systick will wake from the wfi.

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