generic: port: Implement embedded-hal OutputPin trait

avr-hal-generic/src/port.rs

@@ -3,6 +3,7 @@
 //! Please take a look at the documentation for [`Pin`] for a detailed explanation.
 
 use core::marker::PhantomData;
+use embedded_hal::digital::v2::OutputPin;
 
 pub trait PinMode: crate::Sealed {}
 /// GPIO pin modes
@@ -284,6 +285,21 @@ impl<PIN: PinOps> Pin<mode::Output, PIN> {
     }
 }
 
+// Implements OutputPin from embedded-hal to make sure external libraries work
+impl<PIN: PinOps> OutputPin for Pin<mode::Output, PIN> {
+    type Error = core::convert::Infallible;
+
+    fn set_high(&mut self) -> Result<(), Self::Error> {
+        self.set_high();
+        Ok(())
+    }
+
+    fn set_low(&mut self) -> Result<(), Self::Error> {
+        self.set_low();
+        Ok(())
+    }
+}
+
 /// # Digital Input
 impl<PIN: PinOps, IMODE: mode::InputMode> Pin<mode::Input<IMODE>, PIN> {
     /// Check whether the pin is driven high.