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stm32: fix refcounts for usart, spi, and i2c

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xoviat
2023-09-04 15:47:33 -05:00
parent 3466c9cfa9
commit 274f63a879
7 changed files with 60 additions and 17 deletions
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18
embassy-stm32/src/usart/mod.rs
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@@ -618,6 +618,18 @@ impl<'d, T: BasicInstance, RxDma> UartRx<'d, T, RxDma> {
}
}
impl<'d, T: BasicInstance, TxDma> Drop for UartTx<'d, T, TxDma> {
fn drop(&mut self) {
T::disable();
}
}
impl<'d, T: BasicInstance, TxDma> Drop for UartRx<'d, T, TxDma> {
fn drop(&mut self) {
T::disable();
}
}
impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
pub fn new(
peri: impl Peripheral<P = T> + 'd,
@@ -628,6 +640,8 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
rx_dma: impl Peripheral<P = RxDma> + 'd,
config: Config,
) -> Self {
// UartRx and UartTx have one refcount ea.
T::enable();
T::enable();
T::reset();
@@ -647,6 +661,8 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
) -> Self {
into_ref!(cts, rts);
// UartRx and UartTx have one refcount ea.
T::enable();
T::enable();
T::reset();
@@ -672,6 +688,8 @@ impl<'d, T: BasicInstance, TxDma, RxDma> Uart<'d, T, TxDma, RxDma> {
) -> Self {
into_ref!(de);
// UartRx and UartTx have one refcount ea.
T::enable();
T::enable();
T::reset();