Merge pull request #641 from zxzxwu/pasync

Receive Periodic Advertising Sync Transfer

bumble/device.py

@@ -257,7 +257,7 @@ def from_advertising_report(cls, report):
             secondary_phy    = report.secondary_phy,
             tx_power         = report.tx_power,
             sid              = report.advertising_sid,
-            data_bytes       = report.data
+            data_bytes       = report.data,
         )
         # fmt: on
 
@@ -912,11 +912,11 @@ async def transfer(self, connection: Connection, service_data: int = 0) -> None:
 
     def on_establishment(
         self,
-        status,
-        sync_handle,
-        advertiser_phy,
-        periodic_advertising_interval,
-        advertiser_clock_accuracy,
+        status: int,
+        sync_handle: int,
+        advertiser_phy: int,
+        periodic_advertising_interval: int,
+        advertiser_clock_accuracy: int,
     ) -> None:
         self.status = status
 
@@ -3183,6 +3183,41 @@ def on_periodic_advertising_sync_establishment(
             "periodic advertising sync establishment for unknown address/sid"
         )
 
+    @host_event_handler
+    def on_periodic_advertising_sync_transfer(
+        self,
+        status: int,
+        connection_handle: int,
+        sync_handle: int,
+        advertising_sid: int,
+        advertiser_address: hci.Address,
+        advertiser_phy: int,
+        periodic_advertising_interval: int,
+        advertiser_clock_accuracy: int,
+    ) -> None:
+        if not (connection := self.lookup_connection(connection_handle)):
+            logger.error(
+                "Receive PAST from unknown connection 0x%04X", connection_handle
+            )
+
+        pa_sync = PeriodicAdvertisingSync(
+            device=self,
+            advertiser_address=advertiser_address,
+            sid=advertising_sid,
+            skip=0,
+            sync_timeout=0.0,
+            filter_duplicates=False,
+        )
+        self.periodic_advertising_syncs.append(pa_sync)
+        pa_sync.on_establishment(
+            status=status,
+            sync_handle=sync_handle,
+            advertiser_phy=advertiser_phy,
+            periodic_advertising_interval=periodic_advertising_interval,
+            advertiser_clock_accuracy=advertiser_clock_accuracy,
+        )
+        self.emit('periodic_advertising_sync_transfer', pa_sync, connection)
+
     @host_event_handler
     @with_periodic_advertising_sync_from_handle
     def on_periodic_advertising_sync_loss(

bumble/hci.py

@@ -4878,6 +4878,62 @@ class HCI_LE_Periodic_Advertising_Sync_Transfer_Command(HCI_Command):
     '''
 
 
+# -----------------------------------------------------------------------------
+@HCI_Command.command(
+    fields=[
+        ('connection_handle', 2),
+        ('mode', 1),
+        ('skip', 2),
+        ('sync_timeout', 2),
+        (
+            'cte_type',
+            {
+                'size': 1,
+                'mapper': lambda x: HCI_LE_Periodic_Advertising_Report_Event.CteType(
+                    x
+                ).name,
+            },
+        ),
+    ],
+    return_parameters_fields=[
+        ('status', STATUS_SPEC),
+        ('connection_handle', 2),
+    ],
+)
+class HCI_LE_Set_Periodic_Advertising_Sync_Transfer_Parameters_Command(HCI_Command):
+    '''
+    See Bluetooth spec @ 7.8.91 LE Set Periodic Advertising Sync Transfer Parameters command
+    '''
+
+
+# -----------------------------------------------------------------------------
+@HCI_Command.command(
+    fields=[
+        ('mode', 1),
+        ('skip', 2),
+        ('sync_timeout', 2),
+        (
+            'cte_type',
+            {
+                'size': 1,
+                'mapper': lambda x: HCI_LE_Periodic_Advertising_Report_Event.CteType(
+                    x
+                ).name,
+            },
+        ),
+    ],
+    return_parameters_fields=[
+        ('status', STATUS_SPEC),
+    ],
+)
+class HCI_LE_Set_Default_Periodic_Advertising_Sync_Transfer_Parameters_Command(
+    HCI_Command
+):
+    '''
+    See Bluetooth spec @ 7.8.92 LE Set Default Periodic Advertising Sync Transfer Parameters command
+    '''
+
+
 # -----------------------------------------------------------------------------
 @HCI_Command.command(
     fields=[
@@ -6231,6 +6287,31 @@ class HCI_LE_Periodic_Advertising_Sync_Transfer_Received_Event(HCI_LE_Meta_Event
     '''
 
 
+# -----------------------------------------------------------------------------
+@HCI_LE_Meta_Event.event(
+    [
+        ('status', STATUS_SPEC),
+        ('connection_handle', 2),
+        ('service_data', 2),
+        ('sync_handle', 2),
+        ('advertising_sid', 1),
+        ('advertiser_address_type', Address.ADDRESS_TYPE_SPEC),
+        ('advertiser_address', Address.parse_address_preceded_by_type),
+        ('advertiser_phy', 1),
+        ('periodic_advertising_interval', 2),
+        ('advertiser_clock_accuracy', 1),
+        ('num_subevents', 1),
+        ('subevent_interval', 1),
+        ('response_slot_delay', 1),
+        ('response_slot_spacing', 1),
+    ]
+)
+class HCI_LE_Periodic_Advertising_Sync_Transfer_Received_V2_Event(HCI_LE_Meta_Event):
+    '''
+    See Bluetooth spec @ 7.7.65.24 LE Periodic Advertising Sync Transfer Received Event
+    '''
+
+
 # -----------------------------------------------------------------------------
 @HCI_LE_Meta_Event.event(
     [

bumble/host.py

@@ -1204,6 +1204,32 @@ def on_hci_le_terminate_big_complete_event(self, event):
         self.remove_big(event.big_handle)
         self.emit('big_termination', event.reason, event.big_handle)
 
+    def on_hci_le_periodic_advertising_sync_transfer_received_event(self, event):
+        self.emit(
+            'periodic_advertising_sync_transfer',
+            event.status,
+            event.connection_handle,
+            event.sync_handle,
+            event.advertising_sid,
+            event.advertiser_address,
+            event.advertiser_phy,
+            event.periodic_advertising_interval,
+            event.advertiser_clock_accuracy,
+        )
+
+    def on_hci_le_periodic_advertising_sync_transfer_received_v2_event(self, event):
+        self.emit(
+            'periodic_advertising_sync_transfer',
+            event.status,
+            event.connection_handle,
+            event.sync_handle,
+            event.advertising_sid,
+            event.advertiser_address,
+            event.advertiser_phy,
+            event.periodic_advertising_interval,
+            event.advertiser_clock_accuracy,
+        )
+
     def on_hci_le_cis_established_event(self, event):
         # The remaining parameters are unused for now.
         if event.status == hci.HCI_SUCCESS: