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stm32/usart: fix usart not wake up issue

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cumthugo 2023-09-13 00:18:18 +08:00
parent 2c38dd17b9
commit 582ef90994
1 changed files with 7 additions and 0 deletions
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embassy-stm32/src/usart/mod.rs
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@ -545,6 +545,13 @@ impl<'d, T: BasicInstance, RxDma> UartRx<'d, T, RxDma> {
unsafe { rdr(r).read_volatile() }; unsafe { rdr(r).read_volatile() };
clear_interrupt_flags(r, sr); clear_interrupt_flags(r, sr);
if enable_idle_line_detection {
// enable idle interrupt
r.cr1().modify(|w| {
w.set_idleie(true);
});
}
compiler_fence(Ordering::SeqCst); compiler_fence(Ordering::SeqCst);
let has_errors = sr.pe() || sr.fe() || sr.ne() || sr.ore(); let has_errors = sr.pe() || sr.fe() || sr.ne() || sr.ore();