Merge embassy-rs#1142

1142: More rp2040 BufferedUart fixes r=Dirbaio a=timokroeger * Refactor init code * Make it possible to drop RX without breaking TX (or vice versa) * Correctly handle RX buffer full scenario Co-authored-by: Timo Kröger <timokroeger93@gmail.com>
SSL-A-Team · Jan 14, 2023 · b6c8505 · b6c8505
2 parents b0c8c68 + 539f97d
commit b6c8505
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Showing 3 changed files with 156 additions and 189 deletions.
diff --git a/embassy-hal-common/src/atomic_ring_buffer.rs b/embassy-hal-common/src/atomic_ring_buffer.rs
@@ -81,6 +81,10 @@ impl RingBuffer {
         Writer(self)
     }
 
+    pub fn len(&self) -> usize {
+        self.len.load(Ordering::Relaxed)
+    }
+
     pub fn is_full(&self) -> bool {
         let len = self.len.load(Ordering::Relaxed);
         let start = self.start.load(Ordering::Relaxed);