generalize futures
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@ -127,7 +127,10 @@ impl Uarte {
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/// `tx_buffer` is marked as static as per `embedded-dma` requirements.
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/// It it safe to use a buffer with a non static lifetime if memory is not
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/// reused until the future has finished.
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pub fn send<'a, B>(&'a mut self, tx_buffer: B) -> SendFuture<'a, B>
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pub fn send<'a, B>(
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&'a mut self,
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tx_buffer: B,
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) -> SendFuture<'a, B, USART1, Stream7<DMA2>, Channel4>
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where
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B: WriteBuffer<Word = u8> + 'static,
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{
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@ -165,7 +168,7 @@ impl Uarte {
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pub fn receive<'a, B>(
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&'a mut self,
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rx_buffer: B,
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) -> ReceiveFuture<'a, B, Stream2<DMA2>, Channel4>
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) -> ReceiveFuture<'a, B, USART1, Stream2<DMA2>, Channel4>
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where
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B: WriteBuffer<Word = u8> + 'static,
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{
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@ -191,19 +194,25 @@ impl Uarte {
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}
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/// Future for the [`LowPowerUarte::send()`] method.
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pub struct SendFuture<'a, B: WriteBuffer<Word = u8> + 'static> {
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uarte: &'a mut Uarte,
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tx_transfer: Option<Transfer<Stream7<DMA2>, Channel4, USART1, MemoryToPeripheral, B>>,
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}
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impl<'a, B> Drop for SendFuture<'a, B>
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where
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pub struct SendFuture<
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'a,
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B: WriteBuffer<Word = u8> + 'static,
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{
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fn drop(self: &mut Self) {}
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USART: PeriAddress<MemSize = u8>,
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STREAM: Stream,
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CHANNEL,
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> {
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uarte: &'a mut Uarte,
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tx_transfer: Option<Transfer<STREAM, CHANNEL, USART, MemoryToPeripheral, B>>,
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}
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impl<'a, B> Future for SendFuture<'a, B>
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// impl<'a, B> Drop for SendFuture<'a, B>
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// where
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// B: WriteBuffer<Word = u8> + 'static,
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// {
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// fn drop(self: &mut Self) {}
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// }
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impl<'a, B> Future for SendFuture<'a, B, USART1, Stream7<DMA2>, Channel4>
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where
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B: WriteBuffer<Word = u8> + 'static,
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{
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@ -230,9 +239,15 @@ where
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}
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/// Future for the [`Uarte::receive()`] method.
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pub struct ReceiveFuture<'a, B: WriteBuffer<Word = u8> + 'static, STREAM: Stream, CHANNEL> {
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pub struct ReceiveFuture<
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'a,
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B: WriteBuffer<Word = u8> + 'static,
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USART: PeriAddress<MemSize = u8>,
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STREAM: Stream,
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CHANNEL,
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> {
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uarte: &'a mut Uarte,
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rx_transfer: Option<Transfer<STREAM, CHANNEL, USART1, PeripheralToMemory, B>>,
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rx_transfer: Option<Transfer<STREAM, CHANNEL, USART, PeripheralToMemory, B>>,
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}
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// pub struct ReceiveFuture<'a, B: WriteBuffer<Word = u8> + 'static, DMA, STREAM, CHANNEL> {
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@ -247,7 +262,7 @@ pub struct ReceiveFuture<'a, B: WriteBuffer<Word = u8> + 'static, STREAM: Stream
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// fn drop(self: &mut Self) {}
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// }
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impl<'a, B> Future for ReceiveFuture<'a, B, Stream2<DMA2>, Channel4>
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impl<'a, B> Future for ReceiveFuture<'a, B, USART1, Stream2<DMA2>, Channel4>
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where
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B: WriteBuffer<Word = u8> + 'static + Unpin,
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{
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