topic Re: Powerquad CMSIS function overrides in MCX Microcontrollers

Powerquad CMSIS function overrides

Peter19 — Mon, 13 Oct 2025 08:47:35 GMT

The fsl_powerquad_cmsis.c implements many CMSIS functions using PowerQuad. Many are useful and many are not useful since powerquad is restricted in data size (for instance).

How can I make use of some functions from powerquad accelerator and some functions from CMSIS original implementation.
Example: I do not want to call arm_mat_trans_q15 powerquad accelerator, but I still want to call arm_sqrt_q31 with powerquad accelerator.

Regards
/Peter

Re: Powerquad CMSIS function overrides

Alice_Yang — Mon, 13 Oct 2025 10:40:56 GMT

Hello @Peter19

Thank you for contacting us. You can include the headers of both files in your application code, and exclude or delete the APIs you do not wish to use.

Alice

Re: Powerquad CMSIS function overrides

Peter19 — Fri, 24 Oct 2025 05:37:26 GMT

Hi @Alice_Yang
You mean to say that I can copy SDK source files and modify them as part of local project? Sure, that seems like a temporary workaround. What I would expect is to upstream this flexibility so I don't branch of some SDK code that I no longer get updates of.

Regards

/Peter

Re: Powerquad CMSIS function overrides

Alice_Yang — Mon, 27 Oct 2025 04:05:37 GMT

Hello @Peter19

Thanks for the suggestion.
I will forward it to the SDK team for their consideration.

As far as I know, there is currently no plan to implement this feature.
However, I will make sure to clearly describe your suggestion to them.

Thank you!

Alice