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gpiote: take owned pin but add function to borrow it.

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This commit is contained in:
Dario Nieuwenhuis 2020-10-19 21:18:13 +02:00
parent cd9ecaef57
commit ec4b95579d
2 changed files with 11 additions and 8 deletions
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3
embassy-nrf/Cargo.toml
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@ -5,9 +5,6 @@ authors = ["Dario Nieuwenhuis <dirbaio@dirbaio.net>"]
edition = "2018"
[features]
default = [
"defmt-default",
]
defmt-default = []
defmt-trace = []
defmt-debug = []

16
embassy-nrf/src/gpiote.rs
View File

@ -85,9 +85,9 @@ impl Gpiote {
pub fn new_input_channel<'a, T>(
&'a self,
pin: &'a Pin<Input<T>>,
pin: Pin<Input<T>>,
trigger_mode: EventPolarity,
) -> Result<InputChannel<'a>, NewChannelError> {
) -> Result<InputChannel<'a, T>, NewChannelError> {
interrupt::free(|_| {
unsafe { INSTANCE = self };
let index = self.allocate_channel()?;
@ -113,6 +113,7 @@ impl Gpiote {
Ok(InputChannel {
gpiote: self,
index,
pin,
})
})
}
@ -157,21 +158,26 @@ impl Gpiote {
}
}
pub struct InputChannel<'a> {
pub struct InputChannel<'a, T> {
gpiote: &'a Gpiote,
pin: Pin<Input<T>>,
index: u8,
}
impl<'a> Drop for InputChannel<'a> {
impl<'a, T> Drop for InputChannel<'a, T> {
fn drop(&mut self) {
self.gpiote.free_channel(self.index);
}
}
impl<'a> InputChannel<'a> {
impl<'a, T> InputChannel<'a, T> {
pub async fn wait(&self) -> () {
self.gpiote.signals[self.index as usize].wait().await;
}
pub fn pin(&self) -> &Pin<Input<T>> {
&self.pin
}
}
pub struct OutputChannel<'a> {