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evaluate ETH DMA design #84

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jordens opened this issue Mar 8, 2020 · 4 comments
Open

evaluate ETH DMA design #84

jordens opened this issue Mar 8, 2020 · 4 comments
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@jordens
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jordens commented Mar 8, 2020 •
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Use VolatileCell along the lines of stb32-usbd and check what evolves around best practices of DMA/uninit, (MaybeUninit, compiler_fence).
@ryan-summers
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@jordens I believe this can be closed since we're using stm32h7-ethernet

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jordens commented Jun 16, 2020

I don't think so. stm32h7-ethernet doesn't mark the descriptors as VolatileCells either. It doesn't differ from my old code in that respect AFAICT.

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ryan-summers commented Jun 16, 2020 •
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What I mean is that this issue isn't necessary suitable for this repository anymore, but rather the linked stm32h7x-ethernet crate since we don't implement any ethernet DMA functionality here after the HAL refactor.

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jordens commented Jun 16, 2020

Oh yes. Right. Somebody with a sound understanding of this should move it over to stm32h7-ethernet if appropriate.

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