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Add InputPin impl for generic open drain outputs #160

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merged 1 commit into from
Dec 29, 2019
Merged

Add InputPin impl for generic open drain outputs #160

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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).

## [Unreleased]

- Add `InputPin` impl for generic open drain outputs

## [v0.5.2] - 2019-12-15

- Fix USB module docs
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15 changes: 15 additions & 0 deletions src/gpio.rs
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Expand Up @@ -731,6 +731,21 @@ macro_rules! impl_pxx {
}
}

impl InputPin for Pxx<Output<OpenDrain>> {
type Error = Infallible;
fn is_high(&self) -> Result<bool, Infallible> {
match self {
$(Pxx::$pin(pin) => pin.is_high()),*
}
}

fn is_low(&self) -> Result<bool, Infallible> {
match self {
$(Pxx::$pin(pin) => pin.is_low()),*
}
}
}

impl<MODE> ExtiPin for Pxx<Input<MODE>> {
fn make_interrupt_source(&mut self, afio: &mut afio::Parts) {
match self {
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