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Merge pull request #2886 from adamgreig/stm32-dac-new-int

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stm32: dac: fix new_internal not setting mode as documented
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Dario Nieuwenhuis 2024-04-29 11:58:50 +00:00 committed by GitHub
commit 49a90a3b90
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1 changed files with 41 additions and 22 deletions
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63
embassy-stm32/src/dac/mod.rs
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@ -118,7 +118,7 @@ impl<'d, T: Instance, const N: u8, DMA> DacChannel<'d, T, N, DMA> {
///
/// If you're not using DMA, pass [`dma::NoDma`] for the `dma` argument.
///
/// The channel is enabled on creation and begins to drive the output pin.
/// The channel is enabled on creation and begin to drive the output pin.
/// Note that some methods, such as `set_trigger()` and `set_mode()`, will
/// disable the channel; you must re-enable it with `enable()`.
///
@ -382,7 +382,7 @@ impl<'d, T: Instance, DMACh1, DMACh2> Dac<'d, T, DMACh1, DMACh2> {
/// call `split()` to obtain separate `DacChannel`s, or use methods on `Dac` to use
/// the two channels together.
///
/// The channels are enabled on creation and begins to drive their output pins.
/// The channels are enabled on creation and begin to drive their output pins.
/// Note that some methods, such as `set_trigger()` and `set_mode()`, will
/// disable the channel; you must re-enable them with `enable()`.
///
@ -398,19 +398,28 @@ impl<'d, T: Instance, DMACh1, DMACh2> Dac<'d, T, DMACh1, DMACh2> {
into_ref!(dma_ch1, dma_ch2, pin_ch1, pin_ch2);
pin_ch1.set_as_analog();
pin_ch2.set_as_analog();
// Enable twice to increment the DAC refcount for each channel.
T::enable_and_reset();
T::enable_and_reset();
Self {
ch1: DacCh1 {
phantom: PhantomData,
dma: dma_ch1,
},
ch2: DacCh2 {
phantom: PhantomData,
dma: dma_ch2,
},
}
let mut ch1 = DacCh1 {
phantom: PhantomData,
dma: dma_ch1,
};
#[cfg(any(dac_v5, dac_v6, dac_v7))]
ch1.set_hfsel();
ch1.enable();
let mut ch2 = DacCh2 {
phantom: PhantomData,
dma: dma_ch2,
};
#[cfg(any(dac_v5, dac_v6, dac_v7))]
ch2.set_hfsel();
ch2.enable();
Self { ch1, ch2 }
}
/// Create a new `Dac` instance where the external output pins are not used,
@ -437,16 +446,26 @@ impl<'d, T: Instance, DMACh1, DMACh2> Dac<'d, T, DMACh1, DMACh2> {
// Enable twice to increment the DAC refcount for each channel.
T::enable_and_reset();
T::enable_and_reset();
Self {
ch1: DacCh1 {
phantom: PhantomData,
dma: dma_ch1,
},
ch2: DacCh2 {
phantom: PhantomData,
dma: dma_ch2,
},
}
let mut ch1 = DacCh1 {
phantom: PhantomData,
dma: dma_ch1,
};
#[cfg(any(dac_v5, dac_v6, dac_v7))]
ch1.set_hfsel();
ch1.set_mode(Mode::NormalInternalUnbuffered);
ch1.enable();
let mut ch2 = DacCh2 {
phantom: PhantomData,
dma: dma_ch2,
};
#[cfg(any(dac_v5, dac_v6, dac_v7))]
ch2.set_hfsel();
ch2.set_mode(Mode::NormalInternalUnbuffered);
ch2.enable();
Self { ch1, ch2 }
}
/// Split this `Dac` into separate channels.