Stop the oscillator on board stop.

microbit-matt-hillsdon · microbit-matt-hillsdon · commit 5a338ef2b352 · 2022-09-28T16:05:58.000+01:00
Otherwise music.pitch plays forever until you stop it with code.
diff --git a/src/board/audio/index.ts b/src/board/audio/index.ts
@@ -138,7 +138,9 @@ export class Audio {
     }
   }
 
-  boardStopped() {}
+  boardStopped() {
+    this.oscillator?.stop();
+  }
 }
 
 class BufferedAudio {
