fix(embassy-rp): fix drop implementation of BufferedUartRx and BufferedUartTx

2024-05-17 21:07:32 +03:00
parent 17dde65ac2
commit 5b2535c8a2
3 changed files with 87 additions and 72 deletions
--- a/embassy-hal-internal/src/atomic_ring_buffer.rs
+++ b/embassy-hal-internal/src/atomic_ring_buffer.rs
@@ -123,6 +123,11 @@ impl RingBuffer {
        Some(Writer(self))
    }

+    /// Return if buffer is available.
+    pub fn is_available(&self) -> bool {
+        !self.buf.load(Ordering::Relaxed).is_null() && self.len.load(Ordering::Relaxed) != 0
+    }
+
    /// Return length of buffer.
    pub fn len(&self) -> usize {
        self.len.load(Ordering::Relaxed)