Merge pull request #44 from embassy-rs/fix-close

fix channel close

host/src/channel_manager.rs

@@ -42,14 +42,10 @@ pub(crate) struct PacketChannel<const QLEN: usize> {
 impl<const QLEN: usize> PacketChannel<QLEN> {
     pub(crate) const NEW: PacketChannel<QLEN> = PacketChannel { chan: Channel::new() };
 
-    pub fn try_close(&self) -> Result<(), ()> {
+    pub fn close(&self) -> Result<(), ()> {
         self.chan.try_send(None).map_err(|_| ())
     }
 
-    pub async fn close(&self) {
-        self.chan.send(None).await;
-    }
-
     pub async fn send(&self, pdu: Pdu) {
         self.chan.send(Some(pdu)).await;
     }