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

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

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
embassy-stm32/src/dma/bdma.rs
View File

@ -78,8 +78,7 @@ 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,
@ -87,7 +86,7 @@ foreach_dma_channel! {
_request,
vals::Dir::FROMMEMORY,
reg_addr as *const u32,
buf.as_ptr() as *mut u32,
repeated.as_ptr() as *mut u32,
count,
false,
vals::Size::from(W::bits()),

5
embassy-stm32/src/dma/dma.rs
View File

@ -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()),

5
embassy-stm32/src/dma/gpdma.rs
View File

@ -75,15 +75,14 @@ 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,
low_level_api::Dir::MemoryToPeripheral,
reg_addr as *const u32,
buf.as_ptr() as *mut u32,
repeated.as_ptr() as *mut u32,
count,
false,
W::bits(),

4
embassy-stm32/src/dma/mod.rs
View File

@ -59,7 +59,7 @@ pub(crate) mod sealed {
unsafe fn start_write_repeated<W: super::Word>(
&mut self,
request: Request,
repeated: W,
repeated: &[W; 1],
count: usize,
reg_addr: *mut W,
options: TransferOptions,
@ -246,7 +246,7 @@ mod transfers {
pub fn write_repeated<'a, W: Word>(
channel: impl Peripheral<P = impl Channel> + 'a,
request: Request,
repeated: W,
repeated: &[W; 1],
count: usize,
reg_addr: *mut W,
) -> impl Future<Output = ()> + 'a {