From ae6a5c2a01d83071a09976a07341262c13efed84 Mon Sep 17 00:00:00 2001
From: Glenn Waters <glenn@watrs.ca>
Date: Wed, 2 Oct 2024 12:56:00 -0400
Subject: [PATCH] Ignore NO_KEY in keypad change messages. (#83)

---
 elkm1_lib/keypads.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/elkm1_lib/keypads.py b/elkm1_lib/keypads.py
index f2e179b..449706f 100644
--- a/elkm1_lib/keypads.py
+++ b/elkm1_lib/keypads.py
@@ -62,6 +62,14 @@ def _ka_handler(self, keypad_areas: list[int]) -> None:
                 keypad.setattr("area", keypad_areas[keypad.index], True)
 
     def _kc_handler(self, keypad: int, key: int) -> None:
+        """
+        Handle a keypad change message. At present this function is only handling
+        keypresses and does not process function key light changes and beep changes.
+        """
+        # Ignore NO_KEY as it is not a key press
+        if key == KeypadKeys.NO_KEY.value:
+            return
+
         # Force a change notification
         self.elements[keypad].last_keypress = None
         try: