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Checkpoint with lifetime issues.

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This commit is contained in:
Bob McWhirter
2021-06-25 14:00:11 -04:00
parent 1732551db4
commit b88fc2847a
10 changed files with 328 additions and 174 deletions
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11
embassy-stm32/src/usart/mod.rs
View File

@ -1,7 +1,7 @@
#![macro_use]
#[cfg_attr(usart_v1, path = "v1.rs")]
#[cfg_attr(usart_v2, path = "v2.rs")]
//#[cfg_attr(usart_v2, path = "v2.rs")]
mod _version;
use crate::peripherals;
pub use _version::*;
@ -25,6 +25,7 @@ pub enum Error {
pub(crate) mod sealed {
use super::*;
use crate::dma::WriteDma;
pub trait Instance {
fn regs(&self) -> Usart;
@ -44,7 +45,12 @@ pub(crate) mod sealed {
pub trait CkPin<T: Instance>: Pin {
fn af_num(&self) -> u8;
}
pub trait RxDma<T: Instance> {}
pub trait TxDma<T: Instance>: WriteDma<T> {}
}
pub trait Instance: sealed::Instance {}
pub trait RxPin<T: Instance>: sealed::RxPin<T> {}
pub trait TxPin<T: Instance>: sealed::TxPin<T> {}
@ -52,6 +58,9 @@ pub trait CtsPin<T: Instance>: sealed::CtsPin<T> {}
pub trait RtsPin<T: Instance>: sealed::RtsPin<T> {}
pub trait CkPin<T: Instance>: sealed::CkPin<T> {}
pub trait RxDma<T: Instance>: sealed::RxDma<T> {}
pub trait TxDma<T: Instance>: sealed::TxDma<T> {}
crate::pac::peripherals!(
(usart, $inst:ident) => {
impl sealed::Instance for peripherals::$inst {

10
embassy-stm32/src/usart/v1.rs
View File

@ -104,11 +104,16 @@ impl<'d, T: Instance> Uart<'d, T> {
#[cfg(dma_v2)]
pub async fn write_dma(
&mut self,
ch: &mut impl crate::dma::Channel,
//ch: &mut impl crate::dma::Channel,
ch: &mut impl TxDma<T>,
buffer: &[u8],
) -> Result<(), Error> {
let ch_func = 4; // USART3_TX
let r = self.inner.regs();
let dst = r.dr().ptr() as *mut u8;
ch.transfer(buffer, dst).await;
Ok(())
/*
let ch_func = 4; // USART3_TX
unsafe {
r.cr3().write(|w| {
@ -121,6 +126,7 @@ impl<'d, T: Instance> Uart<'d, T> {
}
Ok(())
*/
}
pub fn read(&mut self, buffer: &mut [u8]) -> Result<(), Error> {