max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix lpuart implementation when there isn't one present

Browse Source
This commit is contained in:
Vincent Stakenburg 2022-08-19 15:27:11 +02:00
parent a833e02363
commit 51359e7d24
1 changed files with 21 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
embassy-stm32/src/usart/mod.rs
View File

@ -6,7 +6,10 @@ use embassy_hal_common::{into_ref, PeripheralRef};
use crate::dma::NoDma;
use crate::gpio::sealed::AFType;
use crate::pac::lpuart::{regs, vals};
#[cfg(any(lpuart_v1, lpuart_v2))]
use crate::pac::lpuart::{regs, vals, Lpuart as Regs};
#[cfg(not(any(lpuart_v1, lpuart_v2)))]
use crate::pac::usart::{regs, vals, Usart as Regs};
use crate::{peripherals, Peripheral};
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
@ -362,7 +365,7 @@ cfg_if::cfg_if! {
if #[cfg(all(feature = "unstable-traits", feature = "nightly", feature = "_todo_embedded_hal_serial"))] {
use core::future::Future;
impl<'d, T: UartInstance, TxDma> embedded_hal_async::serial::Write for UartTx<'d, T, TxDma>
impl<'d, T: BasicInstance, TxDma> embedded_hal_async::serial::Write for UartTx<'d, T, TxDma>
where
TxDma: crate::usart::TxDma<T>,
{
@ -379,7 +382,7 @@ cfg_if::cfg_if! {
}
}
impl<'d, T: UartInstance, RxDma> embedded_hal_async::serial::Read for UartRx<'d, T, RxDma>
impl<'d, T: BasicInstance, RxDma> embedded_hal_async::serial::Read for UartRx<'d, T, RxDma>
where
RxDma: crate::usart::RxDma<T>,
{
@ -390,7 +393,7 @@ cfg_if::cfg_if! {
}
}
impl<'d, T: UartInstance, TxDma, RxDma> embedded_hal_async::serial::Write for Uart<'d, T, TxDma, RxDma>
impl<'d, T: BasicInstance, TxDma, RxDma> embedded_hal_async::serial::Write for Uart<'d, T, TxDma, RxDma>
where
TxDma: crate::usart::TxDma<T>,
{
@ -407,7 +410,7 @@ cfg_if::cfg_if! {
}
}
impl<'d, T: UartInstance, TxDma, RxDma> embedded_hal_async::serial::Read for Uart<'d, T, TxDma, RxDma>
impl<'d, T: BasicInstance, TxDma, RxDma> embedded_hal_async::serial::Read for Uart<'d, T, TxDma, RxDma>
where
RxDma: crate::usart::RxDma<T>,
{
@ -442,38 +445,39 @@ fn sr(r: crate::pac::usart::Usart) -> crate::pac::common::Reg<regs::Sr, crate::p
#[cfg(usart_v1)]
#[allow(unused)]
unsafe fn clear_interrupt_flags(_r: crate::pac::usart::Usart, _sr: regs::Sr) {
unsafe fn clear_interrupt_flags(_r: Regs, _sr: regs::Sr) {
// On v1 the flags are cleared implicitly by reads and writes to DR.
}
#[cfg(usart_v2)]
fn tdr(r: crate::pac::lpuart::Lpuart) -> *mut u8 {
fn tdr(r: Regs) -> *mut u8 {
r.tdr().ptr() as _
}
#[cfg(usart_v2)]
fn rdr(r: crate::pac::lpuart::Lpuart) -> *mut u8 {
fn rdr(r: Regs) -> *mut u8 {
r.rdr().ptr() as _
}
#[cfg(usart_v2)]
fn sr(r: crate::pac::lpuart::Lpuart) -> crate::pac::common::Reg<regs::Isr, crate::pac::common::R> {
fn sr(r: Regs) -> crate::pac::common::Reg<regs::Isr, crate::pac::common::R> {
r.isr()
}
#[cfg(usart_v2)]
#[allow(unused)]
unsafe fn clear_interrupt_flags(r: crate::pac::lpuart::Lpuart, sr: regs::Isr) {
unsafe fn clear_interrupt_flags(r: Regs, sr: regs::Isr) {
r.icr().write(|w| *w = regs::Icr(sr.0));
}
pub(crate) mod sealed {
use super::*;
pub trait BasicInstance: crate::rcc::RccPeripheral {
const MULTIPLIER: u32;
type Interrupt: crate::interrupt::Interrupt;
fn regs() -> crate::pac::lpuart::Lpuart;
fn regs() -> Regs;
}
pub trait FullInstance: BasicInstance {
@ -500,27 +504,23 @@ macro_rules! impl_lpuart {
const MULTIPLIER: u32 = $mul;
type Interrupt = crate::interrupt::$irq;
fn regs() -> crate::pac::lpuart::Lpuart {
crate::pac::lpuart::Lpuart(crate::pac::$inst.0)
fn regs() -> Regs {
Regs(crate::pac::$inst.0)
}
}
impl BasicInstance for peripherals::$inst {}
};
}
foreach_interrupt!(
($inst:ident, lpuart, LPUART, $signal_name:ident, $irq:ident) => {
($inst:ident, lpuart, $block:ident, $signal_name:ident, $irq:ident) => {
impl_lpuart!($inst, $irq, 255);
impl BasicInstance for peripherals::$inst {
}
};
($inst:ident, usart, USART, $signal_name:ident, $irq:ident) => {
($inst:ident, usart, $block:ident, $signal_name:ident, $irq:ident) => {
impl_lpuart!($inst, $irq, 1);
impl BasicInstance for peripherals::$inst {
}
impl sealed::FullInstance for peripherals::$inst {
fn regs_uart() -> crate::pac::usart::Usart {