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address review comments

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This commit is contained in:
Alexandros Liarokapis 2024-05-28 13:38:27 +03:00
parent 46fc15783d
commit 4d1fbcd9cd
1 changed files with 5 additions and 18 deletions
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23
embassy-stm32/src/spi/mod.rs
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@ -657,28 +657,23 @@ impl<'d> Spi<'d, Async> {
})
});
let tsize = regs.cr2().read().tsize();
let rx_src = regs.rx_ptr();
let mut read = 0;
let mut remaining = data.len();
loop {
for mut chunk in data.chunks_mut(u16::max_value().into()) {
self.set_word_size(W::CONFIG);
set_rxdmaen(regs, true);
let transfer_size = remaining.min(u16::max_value().into());
let tsize = chunk.len();
let transfer = unsafe {
self.rx_dma
.as_mut()
.unwrap()
.read(rx_src, &mut data[read..(read + transfer_size)], Default::default())
.read(rx_src, &mut chunk, Default::default())
};
regs.cr2().modify(|w| {
w.set_tsize(transfer_size as u16);
w.set_tsize(tsize as u16);
});
regs.cr1().modify(|w| {
@ -692,14 +687,6 @@ impl<'d> Spi<'d, Async> {
transfer.await;
finish_dma(regs);
remaining -= transfer_size;
if remaining == 0 {
break;
}
read += transfer_size;
}
regs.cr1().modify(|w| {
@ -711,7 +698,7 @@ impl<'d> Spi<'d, Async> {
});
regs.cr2().modify(|w| {
w.set_tsize(tsize);
w.set_tsize(0);
});
#[cfg(spi_v3)]