About dmainz

dmainz · 2023-12-06

I wrote a test that uses the DMA2D to transfer 64kB of data from AXI SRAM to an external SDRAM. I set the source data to be all 0xFF and started the DMA. Using the Memory viewer in STM32CubeIDE I see that the SDRAM is getting filled, but there are ...

dmainz · 2024-07-20

Any updates on this? I'm seeing it with latest version.

dmainz · 2023-12-07

Hi TDK,Thanks for responding. I tried the data pattern you suggested and I see that the data gets transferred correctly until a 0 gets written in place of the expected value. See my answer to Pavel above for a snippet from a fail log.I don't think ...

dmainz · 2023-12-07

Hi Pavel,Thanks for responding. Valid point. I did see a difference between the compare fails vs. what was on the Memory viewer. There are addresses that don't fail, but show up as 0 instead of the written value in the Memory viewer. However ther...

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STM32H743IIx DMA from AXI SRAM to external SDRAM not writing all SDRAM addresses correctly.

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