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How to port X-CUBE-MEMSMIC1 DFSDM/mic portion to H7?

RedneckEngineer
Associate

I have a project running successfully for the L4 with a modified version of the X-CUBE-MEMSMIC1 software. I want to port my project to the H743ZIT6. I have the USB audio portion working, but I am struggling with the DFSDM setup. I want the setup to be as close as possible to what I have running on the L4. How would you attempt to port the MEMSMIC software example to the H7? I am new to ST and am only starting to get my feet wet with their products. Thanks.

Edit:

I've attached my current code. Before inserting lines 138, 139, and 140, the H7 would occasionally show correctly on the PC and could send audio data correctly. After adding those lines in, it never shows up correctly and seems to fail at different levels. Sometimes it seems to get farther than other times.

The end result should be audio capture from mic using DFSDM and DMA and output over USB as a USB audio device.

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