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stm32/dma: impl all variants

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This commit is contained in:
Dario Nieuwenhuis 2021-07-15 05:42:06 +02:00 • committed by Bob McWhirter
parent 69fb1b5418
commit 3d1391ef2d
19 changed files with 665 additions and 989 deletions
embassy-stm32/src/usart
mod.rs

83
embassy-stm32/src/usart/mod.rs
View file

@ -3,7 +3,7 @@
#[cfg_attr(usart_v1, path = "v1.rs")]
#[cfg_attr(usart_v2, path = "v2.rs")]
mod _version;
use crate::peripherals;
use crate::{dma, peripherals};
pub use _version::*;
use crate::gpio::Pin;
@ -72,9 +72,6 @@ pub enum Error {
pub(crate) mod sealed {
use super::*;
#[cfg(any(dma, bdma, dmamux))]
use crate::dma_traits::WriteDma;
pub trait Instance {
fn regs(&self) -> crate::pac::usart::Usart;
}
@ -94,11 +91,13 @@ pub(crate) mod sealed {
fn af_num(&self) -> u8;
}
#[cfg(any(bdma, dma, dmamux))]
pub trait RxDma<T: Instance> {}
pub trait RxDma<T: Instance> {
fn request(&self) -> dma::Request;
}
#[cfg(any(bdma, dma, dmamux))]
pub trait TxDma<T: Instance>: WriteDma<T> {}
pub trait TxDma<T: Instance> {
fn request(&self) -> dma::Request;
}
}
pub trait Instance: sealed::Instance + RccPeripheral {}
@ -107,12 +106,8 @@ pub trait TxPin<T: Instance>: sealed::TxPin<T> {}
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(bdma, dma, dmamux))]
pub trait RxDma<T: Instance>: sealed::RxDma<T> {}
#[cfg(any(bdma, dma, dmamux))]
pub trait TxDma<T: Instance>: sealed::TxDma<T> {}
pub trait RxDma<T: Instance>: sealed::RxDma<T> + dma::Channel {}
pub trait TxDma<T: Instance>: sealed::TxDma<T> + dma::Channel {}
crate::pac::peripherals!(
(usart, $inst:ident) => {
@ -141,46 +136,86 @@ macro_rules! impl_pin {
crate::pac::peripheral_pins!(
// USART
($inst:ident, usart, USART, $pin:ident, TX, $af:expr) => {
impl_pin!($inst, $pin, TxPin, $af);
};
($inst:ident, usart, USART, $pin:ident, RX, $af:expr) => {
impl_pin!($inst, $pin, RxPin, $af);
};
($inst:ident, usart, USART, $pin:ident, CTS, $af:expr) => {
impl_pin!($inst, $pin, CtsPin, $af);
};
($inst:ident, usart, USART, $pin:ident, RTS, $af:expr) => {
impl_pin!($inst, $pin, RtsPin, $af);
};
($inst:ident, usart, USART, $pin:ident, CK, $af:expr) => {
impl_pin!($inst, $pin, CkPin, $af);
};
// UART
($inst:ident, uart, UART, $pin:ident, TX, $af:expr) => {
impl_pin!($inst, $pin, TxPin, $af);
};
($inst:ident, uart, UART, $pin:ident, RX, $af:expr) => {
impl_pin!($inst, $pin, RxPin, $af);
};
($inst:ident, uart, UART, $pin:ident, CTS, $af:expr) => {
impl_pin!($inst, $pin, CtsPin, $af);
};
($inst:ident, uart, UART, $pin:ident, RTS, $af:expr) => {
impl_pin!($inst, $pin, RtsPin, $af);
};
($inst:ident, uart, UART, $pin:ident, CK, $af:expr) => {
impl_pin!($inst, $pin, CkPin, $af);
};
);
macro_rules! impl_dma {
($inst:ident, ALL, $signal:ident, $request:expr) => {
impl<T: crate::dma::Channel> sealed::$signal<peripherals::$inst> for T {
fn request(&self) -> dma::Request {
$request
}
}
impl<T: crate::dma::Channel> $signal<peripherals::$inst> for T {}
};
($inst:ident, $channel:ident, $signal:ident, $request:expr) => {
impl sealed::$signal<peripherals::$inst> for peripherals::$channel {
fn request(&self) -> dma::Request {
$request
}
}
impl $signal<peripherals::$inst> for peripherals::$channel {}
};
}
crate::pac::peripheral_dma_channels! {
($peri:ident, usart, $kind:ident, RX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => {
impl_dma!($peri, $channel, RxDma, $request);
};
($peri:ident, usart, $kind:ident, TX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => {
impl_dma!($peri, $channel, TxDma, $request);
};
($peri:ident, uart, $kind:ident, RX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => {
impl_dma!($peri, $channel, RxDma, $request);
};
($peri:ident, uart, $kind:ident, TX, $channel:ident, $dma_peri:ident, $channel_num:expr, $request:expr) => {
impl_dma!($peri, $channel, TxDma, $request);
};
}
crate::pac::dma_requests! {
(usart, $peri:ident, RX, $request:expr) => {
impl_dma!($peri, ALL, RxDma, $request);
};
(usart, $peri:ident, TX, $request:expr) => {
impl_dma!($peri, ALL, TxDma, $request);
};
(uart, $peri:ident, RX, $request:expr) => {
impl_dma!($peri, ALL, RxDma, $request);
};
(uart, $peri:ident, TX, $request:expr) => {
impl_dma!($peri, ALL, TxDma, $request);
};
}