Forgot to set up notify event

rpi/hardware/sound/sound.py

@@ -9,11 +9,10 @@ class SoundReader:
     _pin :int
     _running :bool
     _thread :threading.Thread | None
-    _subscriber :Callable[[int], None]
+    _subscriber :Callable[[str], None]
 
     def __init__(self, pin):
         self._pin = pin
-        self._sound_level = 0
         self._running = False
         self._thread = None
 
@@ -32,15 +31,12 @@ class SoundReader:
             self._thread.join()
         GPIO.cleanup()
 
-    def subscribe(self, handler:Callable[[int], None]):
+    def subscribe(self, handler:Callable[[str], None]):
         self._subscriber = handler
 
-    def get_level(self):
-        return self._sound_level
-
-    def _notify(self):
+    def _notify(self, data : str):
         if self._subscriber:
-            self._subscriber(self._sound_level)
+            self._subscriber(data)
 
     def _read(self):
         measure_duration = 0.2
@@ -51,7 +47,7 @@ class SoundReader:
             while time.time() - start < measure_duration:
                 if GPIO.input(self._pin):
                     level += 1
-            self._sound_level = level
+            self._notify(f'{{"soundSensorValue": {level}}}')
             time.sleep(interval - measure_duration)
 
 if __name__ == "__main__":