Add Microphone Mute Switch Entity

Subscribes to the new mic_muted and mic_unmuted events.

Provides visual feedback by setting the LEDs to a solid dim red when muted and calling the idle state handler (turning the LEDs off) when unmuted.

linux_voice_assistant/led_controller.py

@@ -15,6 +15,7 @@ _OFF = (0, 0, 0)
 _BLUE = (0, 0, 255)
 _YELLOW = (255, 255, 0)
 _GREEN = (0, 255, 0)
+_DIM_RED = (50, 0, 0) # ADDED for Mute
 
 
 class LedController(EventHandler):
@@ -33,7 +34,6 @@ class LedController(EventHandler):
         try:
             if interface == "gpio":
                 _LOGGER.debug(f"Initializing LEDs on GPIO data={data_pin}, clock={clock_pin}")
-                # Dynamically get GPIO pin objects from the board library
                 data_pin_obj = getattr(board, f"D{data_pin}")
                 clock_pin_obj = getattr(board, f"D{clock_pin}")
                 self.leds = adafruit_dotstar.DotStar(
@@ -47,7 +47,6 @@ class LedController(EventHandler):
             
             self._is_ready = True
             _LOGGER.info(f"LED Controller initialized using {interface} interface.")
-            # Signal that the system is ready
             self.run_action("blink", _GREEN, 2)
 
         except Exception:
@@ -79,12 +78,10 @@ class LedController(EventHandler):
         try:
             r, g, b = color
             while True:
-                # Fade in
                 for i in range(0, 101, 5):
                     brightness = i / 100.0
                     await self.color((int(r * brightness), int(g * brightness), int(b * brightness)))
                     await asyncio.sleep(speed)
-                # Fade out
                 for i in range(100, -1, -5):
                     brightness = i / 100.0
                     await self.color((int(r * brightness), int(g * brightness), int(b * brightness)))
@@ -92,7 +89,8 @@ class LedController(EventHandler):
         except asyncio.CancelledError:
             await self.color(_OFF)
 
-    # --- THIS IS THE NEWLY ADDED METHOD ---
+    # --- EVENT HANDLERS ---
+    
     @subscribe
     def ha_connected(self, data: dict):
         _LOGGER.debug("HA Connected, setting idle LED state.")
@@ -111,7 +109,6 @@ class LedController(EventHandler):
     @subscribe
     def voice_vad_start(self, data: dict):
         _LOGGER.debug("LED Event: voice_vad_start (user speaking)")
-        # Do nothing, allow the blue pulse to continue
         pass
 
     @subscribe
@@ -128,3 +125,15 @@ class LedController(EventHandler):
     def voice_run_end(self, data: dict):
         _LOGGER.debug("LED Event: voice_run_end")
         self.run_action("color", _OFF)
+        
+    # --- ADDED: Mute State Handlers ---
+    @subscribe
+    def mic_muted(self, data: dict):
+        _LOGGER.debug("LED Event: Mic muted")
+        self.run_action("color", _DIM_RED)
+
+    @subscribe
+    def mic_unmuted(self, data: dict):
+        _LOGGER.debug("LED Event: Mic unmuted")
+        # Return to the normal idle state (off)
+        self.voice_run_end(data)