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Looking for template\Example for STM32H7S3H8 SAI 4x MEMS microphones

dleskovar
Associate

Hello,

I have this board that I have to use for the project. I am using STM32H7S3H8 and 4x MEMS microphone, and I am strugling to get to the point where only math with CMSIS-DSP is important. Is there any example, .ioc file that I could look up to for configuring all the microphone stuff, so I can get math to do magic using DSP on signal using comming from microphones.

I configured it to use AzureRTOS and sending data to remote TCP server (still have to figure out certificate stuff for TLS 1.2.), but now I want to add 4x microphone  MP34DT06J , using SAI (as I understand all this). And when it comes to cubemx configuration, honestly I am lost. I found numerous pdf's explaining stuff that I don't actually understand (I am not embedded dev, just a regular algorithm stuff developer).

So, to my understanding, this is setup that I need to do, but then I come to DMA, which is also with numerous options, that I dont fully understand 

If anyone can share template, where I can just go and use Beamforming and DSP libraries using signals from microphones, I would be eternally grateful. I am trying to build this project for days now, and I couldn't find any kind of resources that would be, do this do that, and thats it. I am only interested in math and physics :)

EDIT: if there is only one mic, sure no problem, ill figure out rest of the code, but just the start

 

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