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stm32/dma: improve trait docs, seal Word.

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This commit is contained in:
Dario Nieuwenhuis
2021-12-08 03:18:15 +01:00
parent 6179da6b9c
commit b316d2620c
6 changed files with 50 additions and 24 deletions
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6
embassy-stm32/src/dma/dma.rs
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@ -84,7 +84,7 @@ pub(crate) unsafe fn init() {
pac::dma_channels! {
($channel_peri:ident, $dma_peri:ident, dma, $channel_num:expr, $dmamux:tt) => {
impl crate::dma::sealed::Channel for crate::peripherals::$channel_peri {
unsafe fn start_write<W: Word>(&mut self, request: Request, buf: &[W], reg_addr: *mut u32) {
unsafe fn start_write<W: Word>(&mut self, request: Request, buf: &[W], reg_addr: *mut W) {
let isrn = $channel_num as usize / 4;
let isrbit = $channel_num as usize % 4;
low_level_api::reset_status(&crate::pac::$dma_peri, isrn, isrbit);
@ -104,7 +104,7 @@ pac::dma_channels! {
)
}
unsafe fn start_write_repeated<W: Word>(&mut self, request: Request, repeated: W, count: usize, reg_addr: *mut u32) {
unsafe fn start_write_repeated<W: Word>(&mut self, request: Request, repeated: W, count: usize, reg_addr: *mut W) {
let buf = [repeated];
let isrn = $channel_num as usize / 4;
let isrbit = $channel_num as usize % 4;
@ -125,7 +125,7 @@ pac::dma_channels! {
)
}
unsafe fn start_read<W: Word>(&mut self, request: Request, reg_addr: *mut u32, buf: &mut [W]) {
unsafe fn start_read<W: Word>(&mut self, request: Request, reg_addr: *mut W, buf: &mut [W]) {
let isrn = $channel_num as usize / 4;
let isrbit = $channel_num as usize % 4;
low_level_api::reset_status(&crate::pac::$dma_peri, isrn, isrbit);