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Reset complete count global variable on Dma configure

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noracarmig 2025-01-26 14:53:10 +00:00
parent 195b1a593a
commit 72020fc012
1 changed files with 2 additions and 0 deletions
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embassy-stm32/src/dma/dma_bdma.rs
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@ -359,11 +359,13 @@ impl AnyChannel {
match self.info().dma { match self.info().dma {
#[cfg(dma)] #[cfg(dma)]
DmaInfo::Dma(r) => { DmaInfo::Dma(r) => {
let state: &ChannelState = &STATE[self.id as usize];
let ch = r.st(info.num); let ch = r.st(info.num);
// "Preceding reads and writes cannot be moved past subsequent writes." // "Preceding reads and writes cannot be moved past subsequent writes."
fence(Ordering::SeqCst); fence(Ordering::SeqCst);
state.complete_count.store(0, Ordering::Release);
self.clear_irqs(); self.clear_irqs();
ch.par().write_value(peri_addr as u32); ch.par().write_value(peri_addr as u32);