nrf/ppi: add AnyConfigurableChannel

embassy-nrf/src/ppi.rs

@@ -123,7 +123,13 @@ pub trait Channel: sealed::Channel + Sized {
         }
     }
 }
-pub trait ConfigurableChannel: Channel + sealed::ConfigurableChannel {}
+pub trait ConfigurableChannel: Channel + sealed::ConfigurableChannel {
+    fn degrade_configurable(self) -> AnyConfigurableChannel {
+        AnyConfigurableChannel {
+            number: self.number() as u8,
+        }
+    }
+}
 
 pub trait Group: sealed::Group + Sized {
     fn number(&self) -> usize;
@@ -148,6 +154,19 @@ impl Channel for AnyChannel {
     }
 }
 
+pub struct AnyConfigurableChannel {
+    number: u8,
+}
+impl_unborrow!(AnyConfigurableChannel);
+impl sealed::Channel for AnyConfigurableChannel {}
+impl sealed::ConfigurableChannel for AnyConfigurableChannel {}
+impl ConfigurableChannel for AnyConfigurableChannel {}
+impl Channel for AnyConfigurableChannel {
+    fn number(&self) -> usize {
+        self.number as usize
+    }
+}
+
 macro_rules! impl_channel {
     ($type:ident, $number:expr, configurable) => {
         impl_channel!($type, $number);