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fix(stm32): Fix write buffer lifetime for repeated writes

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This commit is contained in:
Rasmus Melchior Jacobsen
2022-12-23 09:32:18 +01:00
parent 1bd6c954c2
commit da9ee83756
4 changed files with 8 additions and 11 deletions
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5
embassy-stm32/src/dma/dma.rs
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@ -102,15 +102,14 @@ foreach_dma_channel! {
)
}
unsafe fn start_write_repeated<W: Word>(&mut self, request: Request, repeated: W, count: usize, reg_addr: *mut W, options: TransferOptions) {
let buf = [repeated];
unsafe fn start_write_repeated<W: Word>(&mut self, request: Request, repeated: &[W; 1], count: usize, reg_addr: *mut W, options: TransferOptions) {
low_level_api::start_transfer(
pac::$dma_peri,
$channel_num,
request,
vals::Dir::MEMORYTOPERIPHERAL,
reg_addr as *const u32,
buf.as_ptr() as *mut u32,
repeated.as_ptr() as *mut u32,
count,
false,
vals::Size::from(W::bits()),