1034: stm32/usart: Fix bug where USART idle flag could end a `read` prematuraly r=Dirbaio a=guillaume-michel

on STM32, when setting USART `detect_previous_overrun = true`, the idle flag is not cleared and could result in premature end of the `read` method.

This PR fixes that.

Co-authored-by: Guillaume MICHEL <guillaume@squaremind.io>
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bors[bot] 2022-10-28 11:22:53 +00:00 committed by GitHub
commit 1f246d0e37
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@ -525,7 +525,7 @@ impl<'d, T: BasicInstance, RxDma> UartRx<'d, T, RxDma> {
} }
} }
if sr.idle() { if enable_idle_line_detection && sr.idle() {
// Idle line // Idle line
// stop dma transfer // stop dma transfer