Fix for audio lockup pimoroni#4

examples/modules/audio_amp/wav_play.py

@@ -47,42 +47,44 @@ def button_newly_pressed(btn):
     print(f"- Press 'A' to play '{WAV_FILE_A}', or stop what is currently playing")
     print(f"- Press 'B' to play '{WAV_FILE_B}', or stop what is currently playing")
     print()  # New line
-
-    # Loop until the BOOT/USER button is pressed
-    while not yukon.is_boot_pressed():
-
-        # Has the button been pressed?
-        if button_newly_pressed('A'):
-            # Is nothing playing?
-            if not amp.player.is_playing():
-                amp.player.play_wav(WAV_FILE_A)     # Play file A
-                amp.set_volume(VOLUME_A)            # Set the volume to play file A at
-                yukon.set_led('A', True)            # Show that file A is playing
-                print("Playing the first WAV file")
-            else:
-                amp.player.stop()                   # Stop whichever file is currently playing
-                print("Stopping playback")
-
-        # Has the button been pressed?
-        if button_newly_pressed('B'):
-            # Is nothing playing?
+    try:
+        # Loop until the BOOT/USER button is pressed
+        while not yukon.is_boot_pressed():
+
+            # Has the button been pressed?
+            if button_newly_pressed('A'):
+                # Is nothing playing?
+                if not amp.player.is_playing():
+                    amp.player.play_wav(WAV_FILE_A)     # Play file A
+                    amp.set_volume(VOLUME_A)            # Set the volume to play file A at
+                    yukon.set_led('A', True)            # Show that file A is playing
+                    print("Playing the first WAV file")
+                else:
+                    amp.player.stop()                   # Stop whichever file is currently playing
+                    print("Stopping playback")
+
+            # Has the button been pressed?
+            if button_newly_pressed('B'):
+                # Is nothing playing?
+                if not amp.player.is_playing():
+                    amp.player.play_wav(WAV_FILE_B)     # Play file B
+                    amp.set_volume(VOLUME_B)            # Set the volume to play file B at
+                    yukon.set_led('B', True)            # Show that file B is playing
+                    print("Playing the second WAV file")
+                else:
+                    amp.player.stop()                   # Stop whichever file is currently playing
+                    print("Stopping playback")
+
+            # Has either file stopped playing?
             if not amp.player.is_playing():
-                amp.player.play_wav(WAV_FILE_B)     # Play file B
-                amp.set_volume(VOLUME_B)            # Set the volume to play file B at
-                yukon.set_led('B', True)            # Show that file B is playing
-                print("Playing the second WAV file")
-            else:
-                amp.player.stop()                   # Stop whichever file is currently playing
-                print("Stopping playback")
-
-        # Has either file stopped playing?
-        if not amp.player.is_playing():
-            yukon.set_led('A', False)
-            yukon.set_led('B', False)
-
-        # Perform a single check of Yukon's internal voltage, current, and temperature sensors
-        yukon.monitor_once()
-
+                yukon.set_led('A', False)
+                yukon.set_led('B', False)
+
+            # Perform a single check of Yukon's internal voltage, current, and temperature sensors
+            yukon.monitor_once()
+    finally:
+        amp.player.stop()
+
 finally:
     # Put the board back into a safe state, regardless of how the program may have ended
     yukon.reset()