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F0: usart + DMA working

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This commit is contained in:
Thales Fragoso 2021-07-04 18:34:37 -03:00 • committed by Bob McWhirter
parent a56ddfdc04
commit 91521a86a0
3 changed files with 36 additions and 15 deletions
embassy-stm32/src/usart
mod.rs

15
embassy-stm32/src/usart/mod.rs
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@ -8,7 +8,6 @@ use crate::peripherals;
pub use _version::*;
use crate::gpio::Pin;
use crate::pac::usart::Usart;
use crate::rcc::RccPeripheral;
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
@ -58,6 +57,7 @@ impl Default for Config {
/// Serial error
#[derive(Debug, Eq, PartialEq, Copy, Clone)]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[non_exhaustive]
pub enum Error {
/// Framing error
@ -76,8 +76,11 @@ pub(crate) mod sealed {
#[cfg(any(dma, dmamux))]
use crate::dma::WriteDma;
#[cfg(bdma)]
use crate::bdma::WriteDma;
pub trait Instance {
fn regs(&self) -> Usart;
fn regs(&self) -> crate::pac::usart::Usart;
}
pub trait RxPin<T: Instance>: Pin {
fn af_num(&self) -> u8;
@ -95,10 +98,10 @@ pub(crate) mod sealed {
fn af_num(&self) -> u8;
}
#[cfg(any(dma, dmamux))]
#[cfg(any(bdma, dma, dmamux))]
pub trait RxDma<T: Instance> {}
#[cfg(any(dma, dmamux))]
#[cfg(any(bdma, dma, dmamux))]
pub trait TxDma<T: Instance>: WriteDma<T> {}
}
@ -109,10 +112,10 @@ pub trait CtsPin<T: Instance>: sealed::CtsPin<T> {}
pub trait RtsPin<T: Instance>: sealed::RtsPin<T> {}
pub trait CkPin<T: Instance>: sealed::CkPin<T> {}
#[cfg(any(dma, dmamux))]
#[cfg(any(bdma, dma, dmamux))]
pub trait RxDma<T: Instance>: sealed::RxDma<T> {}
#[cfg(any(dma, dmamux))]
#[cfg(any(bdma, dma, dmamux))]
pub trait TxDma<T: Instance>: sealed::TxDma<T> {}
crate::pac::peripherals!(