Receive adaptive anc notifications

aln/Notifications/ANC.py

@@ -0,0 +1,50 @@
+from ..enums import enums
+from ..Capabilites import Capabilites
+class ANCNotification:
+    NOTIFICATION_PREFIX = enums.NOISE_CANCELLATION_PREFIX
+    OFF = Capabilites.NoiseCancellation.OFF
+    ON = Capabilites.NoiseCancellation.ON
+    TRANSPARENCY = Capabilites.NoiseCancellation.TRANSPARENCY
+    ADAPTIVE = Capabilites.NoiseCancellation.ADAPTIVE
+    
+    def __init__(self):
+        pass
+    
+    def isANCData(self, data: bytes):
+        # 04 00 04 00 09 00 0D 01 00 00 00
+        if len(data) != 11:
+            return False
+        
+        if data.hex().startswith(self.NOTIFICATION_PREFIX.hex()):
+            return True
+        else:
+            return False
+        
+    def setANC(self, data: bytes):
+        self.status = data[7]
+        pass
+    
+    def getANC(self, returnString: bool = False, fromInt: int = None):
+        if fromInt is not None:
+            fromInt = bytes([fromInt])
+            if fromInt == self.OFF:
+                return "Off"
+            elif fromInt == self.ON:
+                return "On"
+            elif fromInt == self.TRANSPARENCY:
+                return "Transparency"
+            elif fromInt == self.ADAPTIVE:
+                return "Adaptive"
+            pass
+        if returnString:
+            return self.status
+        else:
+            if self.status == self.OFF:
+                return "Off"
+            elif self.status == self.ON:
+                return "On"
+            elif self.status == self.TRANSPARENCY:
+                return "Transparency"
+            elif self.status == self.ADAPTIVE:
+                return "Adaptive"
+            pass

aln/Notifications/Listener.py

@@ -2,6 +2,7 @@ from bluetooth import BluetoothSocket
 import threading
 from .Battery import BatteryNotification
 from .EarDetection import EarDetectionNotification
+from .ANC import ANCNotification
 import logging
 
 logging = logging.getLogger(__name__)
@@ -16,6 +17,7 @@ class NotificationListener:
         self.socket = socket
         self.BatteryNotification = BatteryNotification()
         self.EarDetectionNotification = EarDetectionNotification()
+        self.ANCNotification = ANCNotification()
         self.callback = callback
         pass
     
@@ -31,6 +33,9 @@ class NotificationListener:
             if self.EarDetectionNotification.isEarDetectionData(data):
                 self.EarDetectionNotification.setEarDetection(data)
                 self.callback(self.EAR_DETECTION_UPDATED, data)
+            if self.ANCNotification.isANCData(data):
+                self.ANCNotification.setANC(data)
+                self.callback(self.ANC_UPDATED, data)
             else:
                 self.callback(self.UNKNOWN, data)
                 pass

aln/Notifications/__init__.py

@@ -17,11 +17,13 @@ class Notifications:
         self.notificationListener = NotificationListener(self.socket, callback)
         self.BatteryNotification = self.notificationListener.BatteryNotification
         self.EarDetectionNotification = self.notificationListener.EarDetectionNotification
+        self.ANCNotification = self.notificationListener.ANCNotification
         pass
 
     def initialize(self):
         try:
             self.socket.send(enums.REQUEST_NOTIFICATIONS)
+            self.socket.send(enums.SET_SPECIFIC_FEATURES)
             self.notificationListener.start()
             
         except bluetooth.btcommon.BluetoothError as e: