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Move to copying regs instead of &'static referencing.

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Remove unneeded stuff from the DMAMUX end of the stick.
This commit is contained in:
Bob McWhirter 2021-07-08 15:59:39 -04:00
parent f01ddd5f5c
commit 30a1d9bf93
2 changed files with 9 additions and 25 deletions
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4
embassy-stm32/src/bdma/v1.rs
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@ -92,7 +92,7 @@ pub(crate) async unsafe fn transfer_m2p(
state_number: usize, state_number: usize,
src: &[u8], src: &[u8],
dst: *mut u8, dst: *mut u8,
#[cfg(dmamux)] dmamux_regs: &'static pac::dmamux::Dmamux, #[cfg(dmamux)] dmamux_regs: pac::dmamux::Dmamux,
#[cfg(dmamux)] dmamux_ch_num: u8, #[cfg(dmamux)] dmamux_ch_num: u8,
#[cfg(dmamux)] request: u8, #[cfg(dmamux)] request: u8,
) { ) {
@ -272,7 +272,7 @@ macro_rules! impl_dma_channel {
use crate::dmamux::sealed::Channel as _MuxChannel; use crate::dmamux::sealed::Channel as _MuxChannel;
use crate::dmamux::sealed::PeripheralChannel; use crate::dmamux::sealed::PeripheralChannel;
let dmamux_regs = self.dmamux_regs(); let dmamux_regs = self.dmamux_regs();
let dmamux_ch_num = self.dma_ch_num(); let dmamux_ch_num = self.dmamux_ch_num();
let request = PeripheralChannel::<T, crate::dmamux::M2P>::request(self); let request = PeripheralChannel::<T, crate::dmamux::M2P>::request(self);
unsafe { unsafe {
transfer_m2p( transfer_m2p(

30
embassy-stm32/src/dmamux/mod.rs
View File

@ -101,7 +101,7 @@ pub(crate) async unsafe fn transfer_m2p(
*/ */
pub(crate) unsafe fn configure_dmamux( pub(crate) unsafe fn configure_dmamux(
dmamux_regs: &pac::dmamux::Dmamux, dmamux_regs: pac::dmamux::Dmamux,
dmamux_ch_num: u8, dmamux_ch_num: u8,
request: u8, request: u8,
) { ) {
@ -123,15 +123,11 @@ pub(crate) mod sealed {
use super::*; use super::*;
pub trait DmaMux { pub trait DmaMux {
fn regs() -> &'static pac::dmamux::Dmamux; fn regs() -> pac::dmamux::Dmamux;
} }
pub trait Channel { pub trait Channel {
fn num(&self) -> usize; fn dmamux_regs(&self) -> pac::dmamux::Dmamux;
fn dma_regs() -> &'static pac::bdma::Dma;
fn dma_ch_num(&self) -> u8;
fn dmamux_regs(&self) -> &'static pac::dmamux::Dmamux;
fn dmamux_ch_num(&self) -> u8; fn dmamux_ch_num(&self) -> u8;
} }
@ -151,20 +147,8 @@ macro_rules! impl_dma_channel {
($channel_peri:ident, $dmamux_peri:ident, $channel_num:expr, $dma_peri: ident, $dma_num:expr) => { ($channel_peri:ident, $dmamux_peri:ident, $channel_num:expr, $dma_peri: ident, $dma_num:expr) => {
impl Channel for peripherals::$channel_peri {} impl Channel for peripherals::$channel_peri {}
impl sealed::Channel for peripherals::$channel_peri { impl sealed::Channel for peripherals::$channel_peri {
fn num(&self) -> usize { fn dmamux_regs(&self) -> pac::dmamux::Dmamux {
($dma_num * 8) + $channel_num crate::pac::$dmamux_peri
}
fn dma_regs() -> &'static pac::bdma::Dma {
&crate::pac::$dma_peri
}
fn dma_ch_num(&self) -> u8 {
$channel_num
}
fn dmamux_regs(&self) -> &'static pac::dmamux::Dmamux {
&crate::pac::$dmamux_peri
} }
fn dmamux_ch_num(&self) -> u8 { fn dmamux_ch_num(&self) -> u8 {
@ -177,8 +161,8 @@ macro_rules! impl_dma_channel {
macro_rules! impl_dmamux { macro_rules! impl_dmamux {
($peri:ident) => { ($peri:ident) => {
impl sealed::DmaMux for peripherals::$peri { impl sealed::DmaMux for peripherals::$peri {
fn regs() -> &'static pac::dmamux::Dmamux { fn regs() -> pac::dmamux::Dmamux {
&pac::$peri pac::$peri
} }
} }
impl DmaMux for peripherals::$peri {} impl DmaMux for peripherals::$peri {}