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Remove Pin from GPIO traits

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This commit is contained in:
Dario Nieuwenhuis
2021-04-14 16:25:54 +02:00
parent 59ccc45f28
commit 8b1ffb2cb7
5 changed files with 27 additions and 38 deletions
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41
embassy-stm32/src/exti.rs
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@ -1,6 +1,5 @@
use core::future::Future;
use core::mem;
use core::pin::Pin;
use cortex_m;
use crate::hal::gpio;
@ -96,13 +95,10 @@ impl<T: Instance + digital::InputPin> digital::InputPin for ExtiPin<T> {
}
impl<T: Instance + digital::InputPin + 'static> ExtiPin<T> {
fn wait_for_state<'a>(self: Pin<&'a mut Self>, state: bool) -> impl Future<Output = ()> + 'a {
let s = unsafe { self.get_unchecked_mut() };
s.pin.clear_pending_bit();
fn wait_for_state<'a>(&'a mut self, state: bool) -> impl Future<Output = ()> + 'a {
async move {
let fut = InterruptFuture::new(&mut s.interrupt);
let pin = &mut s.pin;
let fut = InterruptFuture::new(&mut self.interrupt);
let pin = &mut self.pin;
cortex_m::interrupt::free(|_| {
pin.trigger_edge(if state {
EdgeOption::Rising
@ -111,37 +107,32 @@ impl<T: Instance + digital::InputPin + 'static> ExtiPin<T> {
});
});
if (state && s.pin.is_high().unwrap_or(false))
|| (!state && s.pin.is_low().unwrap_or(false))
if (state && self.pin.is_high().unwrap_or(false))
|| (!state && self.pin.is_low().unwrap_or(false))
{
return;
}
fut.await;
s.pin.clear_pending_bit();
self.pin.clear_pending_bit();
}
}
}
impl<T: Instance + 'static> ExtiPin<T> {
fn wait_for_edge<'a>(
self: Pin<&'a mut Self>,
state: EdgeOption,
) -> impl Future<Output = ()> + 'a {
let s = unsafe { self.get_unchecked_mut() };
s.pin.clear_pending_bit();
fn wait_for_edge<'a>(&'a mut self, state: EdgeOption) -> impl Future<Output = ()> + 'a {
self.pin.clear_pending_bit();
async move {
let fut = InterruptFuture::new(&mut s.interrupt);
let pin = &mut s.pin;
let fut = InterruptFuture::new(&mut self.interrupt);
let pin = &mut self.pin;
cortex_m::interrupt::free(|_| {
pin.trigger_edge(state);
});
fut.await;
s.pin.clear_pending_bit();
self.pin.clear_pending_bit();
}
}
}
@ -149,7 +140,7 @@ impl<T: Instance + 'static> ExtiPin<T> {
impl<T: Instance + digital::InputPin + 'static> WaitForHigh for ExtiPin<T> {
type Future<'a> = impl Future<Output = ()> + 'a;
fn wait_for_high<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
fn wait_for_high<'a>(&'a mut self) -> Self::Future<'a> {
self.wait_for_state(true)
}
}
@ -157,7 +148,7 @@ impl<T: Instance + digital::InputPin + 'static> WaitForHigh for ExtiPin<T> {
impl<T: Instance + digital::InputPin + 'static> WaitForLow for ExtiPin<T> {
type Future<'a> = impl Future<Output = ()> + 'a;
fn wait_for_low<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
fn wait_for_low<'a>(&'a mut self) -> Self::Future<'a> {
self.wait_for_state(false)
}
}
@ -176,7 +167,7 @@ impl<T: Instance + digital::InputPin + 'static> WaitForLow for ExtiPin<T> {
impl<T: Instance + 'static> WaitForRisingEdge for ExtiPin<T> {
type Future<'a> = impl Future<Output = ()> + 'a;
fn wait_for_rising_edge<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
fn wait_for_rising_edge<'a>(&'a mut self) -> Self::Future<'a> {
self.wait_for_edge(EdgeOption::Rising)
}
}
@ -184,7 +175,7 @@ impl<T: Instance + 'static> WaitForRisingEdge for ExtiPin<T> {
impl<T: Instance + 'static> WaitForFallingEdge for ExtiPin<T> {
type Future<'a> = impl Future<Output = ()> + 'a;
fn wait_for_falling_edge<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
fn wait_for_falling_edge<'a>(&'a mut self) -> Self::Future<'a> {
self.wait_for_edge(EdgeOption::Falling)
}
}
@ -192,7 +183,7 @@ impl<T: Instance + 'static> WaitForFallingEdge for ExtiPin<T> {
impl<T: Instance + 'static> WaitForAnyEdge for ExtiPin<T> {
type Future<'a> = impl Future<Output = ()> + 'a;
fn wait_for_any_edge<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
fn wait_for_any_edge<'a>(&'a mut self) -> Self::Future<'a> {
self.wait_for_edge(EdgeOption::RisingFalling)
}
}