embassy-sync: Add len, is_empty and is_full functions to Channel.

1 files changed, 27 insertions, 0 deletions

diff --git a/embassy-sync/src/channel.rs b/embassy-sync/src/channel.rs
index 48f4dafd6..18be462cb 100644
--- a/embassy-sync/src/channel.rs
+++ b/embassy-sync/src/channel.rs
@@ -449,6 +449,18 @@ impl<T, const N: usize> ChannelState<T, N> {
             Poll::Pending
         }
     }
+
+    fn len(&self) -> usize {
+        self.queue.len()
+    }
+
+    fn is_empty(&self) -> bool {
+        self.queue.is_empty()
+    }
+
+    fn is_full(&self) -> bool {
+        self.queue.is_full()
+    }
 }
 
 /// A bounded channel for communicating between asynchronous tasks
@@ -572,6 +584,21 @@ where
     pub fn try_receive(&self) -> Result<T, TryReceiveError> {
         self.lock(|c| c.try_receive())
     }
+
+    /// Returns the number of elements currently in the channel.
+    pub fn len(&self) -> usize {
+        self.lock(|c| c.len())
+    }
+
+    /// Returns whether the channel is empty.
+    pub fn is_empty(&self) -> bool {
+        self.lock(|c| c.is_empty())
+    }
+
+    /// Returns whether the channel is full.
+    pub fn is_full(&self) -> bool {
+        self.lock(|c| c.is_full())
+    }
 }
 
 /// Implements the DynamicChannel to allow creating types that are unaware of the queue size with the