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Actually clear idle flag

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Rasmus Melchior Jacobsen 2023-04-27 11:59:51 +02:00 committed by Dario Nieuwenhuis
parent 7757405908
commit 45843034ec
1 changed files with 8 additions and 1 deletions
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9
embassy-stm32/src/usart/rx_ringbuffered.rs
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@ -6,7 +6,7 @@ use embassy_hal_common::drop::OnDrop;
use embassy_hal_common::PeripheralRef; use embassy_hal_common::PeripheralRef;
use futures::future::{select, Either}; use futures::future::{select, Either};
use super::{rdr, sr, BasicInstance, Error, UartRx}; use super::{clear_interrupt_flags, rdr, sr, BasicInstance, Error, UartRx};
use crate::dma::ringbuffer::OverrunError; use crate::dma::ringbuffer::OverrunError;
use crate::dma::RingBuffer; use crate::dma::RingBuffer;
@ -213,6 +213,13 @@ impl<'d, T: BasicInstance, RxDma: super::RxDma<T>> RingBufferedUartRx<'d, T, RxD
// SAFETY: read only and we only use Rx related flags // SAFETY: read only and we only use Rx related flags
let sr = unsafe { sr(r).read() }; let sr = unsafe { sr(r).read() };
// SAFETY: only clears Rx related flags
unsafe {
// This read also clears the error and idle interrupt flags on v1.
rdr(r).read_volatile();
clear_interrupt_flags(r, sr);
}
let has_errors = sr.pe() || sr.fe() || sr.ne() || sr.ore(); let has_errors = sr.pe() || sr.fe() || sr.ne() || sr.ore();
if has_errors { if has_errors {
if sr.pe() { if sr.pe() {