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Make SPIv3 work with DMA.

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Add both DMA and non-DMA example to H7.
This commit is contained in:
Bob McWhirter
2021-07-21 14:09:24 -04:00
parent 34dfe28d3a
commit a1dac21bdf
5 changed files with 318 additions and 11 deletions
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6
embassy-stm32/src/dma/dma.rs
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@ -88,7 +88,11 @@ pub(crate) unsafe fn do_transfer(
w.set_dir(dir);
w.set_msize(vals::Size::BITS8);
w.set_psize(vals::Size::BITS8);
w.set_minc(vals::Inc::INCREMENTED);
if incr_mem {
w.set_minc(vals::Inc::INCREMENTED);
} else {
w.set_minc(vals::Inc::FIXED);
}
w.set_pinc(vals::Inc::FIXED);
w.set_teie(true);
w.set_tcie(true);