From 5e8156a47dd016618eadc5c288406f1e201f1b8b Mon Sep 17 00:00:00 2001
From: Michael Beaumont <mjboamail@gmail.com>
Date: Tue, 9 Mar 2021 16:02:52 +0100
Subject: [PATCH] Add WaitForAnyEdge

---
 embassy-stm32l0/src/exti.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/embassy-stm32l0/src/exti.rs b/embassy-stm32l0/src/exti.rs
index ca699a086..7958bd948 100644
--- a/embassy-stm32l0/src/exti.rs
+++ b/embassy-stm32l0/src/exti.rs
@@ -3,7 +3,7 @@ use core::mem;
 use core::pin::Pin;
 
 use embassy::interrupt::Interrupt;
-use embassy::traits::gpio::{WaitForFallingEdge, WaitForRisingEdge};
+use embassy::traits::gpio::{WaitForAnyEdge, WaitForFallingEdge, WaitForRisingEdge};
 use embassy::util::InterruptFuture;
 
 use crate::hal::{
@@ -92,6 +92,16 @@ impl<T: PinWithInterrupt<Interrupt = I> + 'static, I: Interrupt + 'static> WaitF
     }
 }
 
+impl<T: PinWithInterrupt<Interrupt = I> + 'static, I: Interrupt + 'static> WaitForAnyEdge
+    for ExtiPin<T, I>
+{
+    type Future<'a> = impl Future<Output = ()> + 'a;
+
+    fn wait_for_any_edge<'a>(self: Pin<&'a mut Self>) -> Self::Future<'a> {
+        self.wait_for_edge(TriggerEdge::Both)
+    }
+}
+
 mod private {
     pub trait Sealed {}
 }