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stm32 adc read_async: add asserts for buf len

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This commit is contained in:
Andres Vahter 2024-07-02 14:23:44 +03:00
parent 5e2fd8623a
commit c120efad5b
2 changed files with 13 additions and 6 deletions
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10
embassy-stm32/src/adc/v3.rs
View File

@ -262,10 +262,13 @@ impl<'d, T: Instance> Adc<'d, T> {
&mut self,
rx_dma: &mut impl RxDma<T>,
sequence: impl ExactSizeIterator<Item = (&mut AnyAdcChannel<T>, SampleTime)>,
data: &mut [u16],
readings: &mut [u16],
) {
assert!(sequence.len() != 0, "Asynchronous read sequence cannot be empty");
assert!(
sequence.len() == readings.len(),
"Sequence length must be equal to readings length"
);
assert!(
sequence.len() <= 16,
"Asynchronous read sequence cannot be more than 16 in length"
@ -357,7 +360,7 @@ impl<'d, T: Instance> Adc<'d, T> {
rx_dma,
request,
T::regs().dr().as_ptr() as *mut u16,
data,
readings,
Default::default(),
)
};
@ -431,6 +434,7 @@ impl<'d, T: Instance> Adc<'d, T> {
fn set_channel_sample_time(_ch: u8, sample_time: SampleTime) {
cfg_if! {
if #[cfg(any(adc_g0, adc_u0))] {
// On G0 and U6 all channels use the same sampling time.
T::regs().smpr().modify(|reg| reg.set_smp1(sample_time.into()));
} else if #[cfg(adc_h5)] {
match _ch {

9
embassy-stm32/src/adc/v4.rs
View File

@ -290,10 +290,13 @@ impl<'d, T: Instance> Adc<'d, T> {
&mut self,
rx_dma: &mut impl RxDma<T>,
sequence: impl ExactSizeIterator<Item = (&mut AnyAdcChannel<T>, SampleTime)>,
data: &mut [u16],
readings: &mut [u16],
) {
assert!(sequence.len() != 0, "Asynchronous read sequence cannot be empty");
assert!(
sequence.len() == readings.len(),
"Sequence length must be equal to readings length"
);
assert!(
sequence.len() <= 16,
"Asynchronous read sequence cannot be more than 16 in length"
@ -352,7 +355,7 @@ impl<'d, T: Instance> Adc<'d, T> {
rx_dma,
request,
T::regs().dr().as_ptr() as *mut u16,
data,
readings,
Default::default(),
)
};