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Merge pull request #1573 from embassy-rs/stm32-gpdma-clear-irqs

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stm32: GPDMA clear irqs
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Dario Nieuwenhuis 2023-06-19 21:11:20 +00:00 committed by GitHub
commit 37a1e9f971
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2 changed files with 17 additions and 13 deletions
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1
embassy-stm32/src/dma/gpdma.rs
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@ -252,6 +252,7 @@ impl<'a, C: Channel> Transfer<'a, C> {
super::dmamux::configure_dmamux(&mut *this.channel, request); super::dmamux::configure_dmamux(&mut *this.channel, request);
ch.cr().write(|w| w.set_reset(true)); ch.cr().write(|w| w.set_reset(true));
ch.fcr().write(|w| w.0 = 0xFFFF_FFFF); // clear all irqs
ch.llr().write(|_| {}); // no linked list ch.llr().write(|_| {}); // no linked list
ch.tr1().write(|w| { ch.tr1().write(|w| {
w.set_sdw(data_size.into()); w.set_sdw(data_size.into());

29
tests/stm32/src/bin/usart_dma.rs
View File

@ -69,24 +69,27 @@ async fn main(_spawner: Spawner) {
const LEN: usize = 128; const LEN: usize = 128;
let mut tx_buf = [0; LEN]; let mut tx_buf = [0; LEN];
let mut rx_buf = [0; LEN]; let mut rx_buf = [0; LEN];
for i in 0..LEN {
tx_buf[i] = i as u8;
}
let (mut tx, mut rx) = usart.split(); let (mut tx, mut rx) = usart.split();
let tx_fut = async { for n in 0..42 {
tx.write(&tx_buf).await.unwrap(); for i in 0..LEN {
}; tx_buf[i] = (i ^ n) as u8;
let rx_fut = async { }
rx.read(&mut rx_buf).await.unwrap();
};
// note: rx needs to be polled first, to workaround this bug: let tx_fut = async {
// https://github.com/embassy-rs/embassy/issues/1426 tx.write(&tx_buf).await.unwrap();
join(rx_fut, tx_fut).await; };
let rx_fut = async {
rx.read(&mut rx_buf).await.unwrap();
};
assert_eq!(tx_buf, rx_buf); // note: rx needs to be polled first, to workaround this bug:
// https://github.com/embassy-rs/embassy/issues/1426
join(rx_fut, tx_fut).await;
assert_eq!(tx_buf, rx_buf);
}
info!("Test OK"); info!("Test OK");
cortex_m::asm::bkpt(); cortex_m::asm::bkpt();