fix oob support in pair.py

Amend Opcode value in `Audio Input Control Service`

apps/auracast.py

@@ -60,7 +60,7 @@ AURACAST_DEFAULT_ATT_MTU = 256
 class BroadcastScanner(pyee.EventEmitter):
     @dataclasses.dataclass
     class Broadcast(pyee.EventEmitter):
-        name: str
+        name: str | None
         sync: bumble.device.PeriodicAdvertisingSync
         rssi: int = 0
         public_broadcast_announcement: Optional[
@@ -135,7 +135,8 @@ class BroadcastScanner(pyee.EventEmitter):
                 self.sync.advertiser_address,
                 color(self.sync.state.name, 'green'),
             )
-            print(f'  {color("Name", "cyan")}:         {self.name}')
+            if self.name is not None:
+                print(f'  {color("Name", "cyan")}:         {self.name}')
             if self.appearance:
                 print(f'  {color("Appearance", "cyan")}:   {str(self.appearance)}')
             print(f'  {color("RSSI", "cyan")}:         {self.rssi}')
@@ -174,7 +175,7 @@ class BroadcastScanner(pyee.EventEmitter):
                     print(color('      Codec ID:', 'yellow'))
                     print(
                         color('        Coding Format:           ', 'green'),
-                        subgroup.codec_id.coding_format.name,
+                        subgroup.codec_id.codec_id.name,
                     )
                     print(
                         color('        Company ID:              ', 'green'),
@@ -274,13 +275,24 @@ class BroadcastScanner(pyee.EventEmitter):
         await self.device.stop_scanning()
 
     def on_advertisement(self, advertisement: bumble.device.Advertisement) -> None:
-        if (
-            broadcast_name := advertisement.data.get(
-                bumble.core.AdvertisingData.BROADCAST_NAME
+        if not (
+            ads := advertisement.data.get_all(
+                bumble.core.AdvertisingData.SERVICE_DATA_16_BIT_UUID
             )
-        ) is None:
+        ) or not (
+            any(
+                ad
+                for ad in ads
+                if isinstance(ad, tuple)
+                and ad[0] == bumble.gatt.GATT_BROADCAST_AUDIO_ANNOUNCEMENT_SERVICE
+            )
+        ):
             return
-        assert isinstance(broadcast_name, str)
+
+        broadcast_name = advertisement.data.get(
+            bumble.core.AdvertisingData.BROADCAST_NAME
+        )
+        assert isinstance(broadcast_name, str) or broadcast_name is None
 
         if broadcast := self.broadcasts.get(advertisement.address):
             broadcast.update(advertisement)
@@ -291,7 +303,7 @@ class BroadcastScanner(pyee.EventEmitter):
         )
 
     async def on_new_broadcast(
-        self, name: str, advertisement: bumble.device.Advertisement
+        self, name: str | None, advertisement: bumble.device.Advertisement
     ) -> None:
         periodic_advertising_sync = await self.device.create_periodic_advertising_sync(
             advertiser_address=advertisement.address,
@@ -299,10 +311,7 @@ class BroadcastScanner(pyee.EventEmitter):
             sync_timeout=self.sync_timeout,
             filter_duplicates=self.filter_duplicates,
         )
-        broadcast = self.Broadcast(
-            name,
-            periodic_advertising_sync,
-        )
+        broadcast = self.Broadcast(name, periodic_advertising_sync)
         broadcast.update(advertisement)
         self.broadcasts[advertisement.address] = broadcast
         periodic_advertising_sync.on('loss', lambda: self.on_broadcast_loss(broadcast))

apps/lea_unicast/app.py

@@ -486,7 +486,12 @@ class Speaker:
 
             def on_pdu(pdu: HCI_IsoDataPacket, ase: ascs.AseStateMachine):
                 codec_config = ase.codec_specific_configuration
-                assert isinstance(codec_config, bap.CodecSpecificConfiguration)
+                if (
+                    not isinstance(codec_config, bap.CodecSpecificConfiguration)
+                    or codec_config.frame_duration is None
+                    or codec_config.audio_channel_allocation is None
+                ):
+                    return
                 pcm = decode(
                     codec_config.frame_duration.us,
                     codec_config.audio_channel_allocation.channel_count,
@@ -495,11 +500,17 @@ class Speaker:
                 self.device.abort_on('disconnection', self.ui_server.send_audio(pcm))
 
             def on_ase_state_change(ase: ascs.AseStateMachine) -> None:
+                codec_config = ase.codec_specific_configuration
                 if ase.state == ascs.AseStateMachine.State.STREAMING:
-                    codec_config = ase.codec_specific_configuration
-                    assert isinstance(codec_config, bap.CodecSpecificConfiguration)
-                    assert ase.cis_link
                     if ase.role == ascs.AudioRole.SOURCE:
+                        if (
+                            not isinstance(codec_config, bap.CodecSpecificConfiguration)
+                            or ase.cis_link is None
+                            or codec_config.octets_per_codec_frame is None
+                            or codec_config.frame_duration is None
+                            or codec_config.codec_frames_per_sdu is None
+                        ):
+                            return
                         ase.cis_link.abort_on(
                             'disconnection',
                             lc3_source_task(
@@ -514,10 +525,17 @@ class Speaker:
                             ),
                         )
                     else:
+                        if not ase.cis_link:
+                            return
                         ase.cis_link.sink = functools.partial(on_pdu, ase=ase)
                 elif ase.state == ascs.AseStateMachine.State.CODEC_CONFIGURED:
-                    codec_config = ase.codec_specific_configuration
-                    assert isinstance(codec_config, bap.CodecSpecificConfiguration)
+                    if (
+                        not isinstance(codec_config, bap.CodecSpecificConfiguration)
+                        or codec_config.sampling_frequency is None
+                        or codec_config.frame_duration is None
+                        or codec_config.audio_channel_allocation is None
+                    ):
+                        return
                     if ase.role == ascs.AudioRole.SOURCE:
                         setup_encoders(
                             codec_config.sampling_frequency.hz,

apps/pair.py

@@ -373,7 +373,9 @@ async def pair(
             shared_data = (
                 None
                 if oob == '-'
-                else OobData.from_ad(AdvertisingData.from_bytes(bytes.fromhex(oob)))
+                else OobData.from_ad(
+                    AdvertisingData.from_bytes(bytes.fromhex(oob))
+                ).shared_data
             )
             legacy_context = OobLegacyContext()
             oob_contexts = PairingConfig.OobConfig(
@@ -381,16 +383,19 @@ async def pair(
                 peer_data=shared_data,
                 legacy_context=legacy_context,
             )
-            oob_data = OobData(
-                address=device.random_address,
-                shared_data=shared_data,
-                legacy_context=legacy_context,
-            )
             print(color('@@@-----------------------------------', 'yellow'))
             print(color('@@@ OOB Data:', 'yellow'))
-            print(color(f'@@@   {our_oob_context.share()}', 'yellow'))
+            if shared_data is None:
+                oob_data = OobData(
+                    address=device.random_address, shared_data=our_oob_context.share()
+                )
+                print(
+                    color(
+                        f'@@@   SHARE: {bytes(oob_data.to_ad()).hex()}',
+                        'yellow',
+                    )
+                )
             print(color(f'@@@   TK={legacy_context.tk.hex()}', 'yellow'))
-            print(color(f'@@@   HEX: ({bytes(oob_data.to_ad()).hex()})', 'yellow'))
             print(color('@@@-----------------------------------', 'yellow'))
         else:
             oob_contexts = None

bumble/att.py

@@ -57,6 +57,7 @@ if TYPE_CHECKING:
 # pylint: disable=line-too-long
 
 ATT_CID = 0x04
+ATT_PSM = 0x001F
 
 ATT_ERROR_RESPONSE              = 0x01
 ATT_EXCHANGE_MTU_REQUEST        = 0x02

bumble/controller.py

@@ -1543,6 +1543,41 @@ class Controller:
         }
         return bytes([HCI_SUCCESS])
 
+    def on_hci_le_set_advertising_set_random_address_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.52 LE Set Advertising Set Random Address
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
+    def on_hci_le_set_extended_advertising_parameters_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.53 LE Set Extended Advertising Parameters
+        Command
+        '''
+        return bytes([HCI_SUCCESS, 0])
+
+    def on_hci_le_set_extended_advertising_data_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.54 LE Set Extended Advertising Data
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
+    def on_hci_le_set_extended_scan_response_data_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.55 LE Set Extended Scan Response Data
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
+    def on_hci_le_set_extended_advertising_enable_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.56 LE Set Extended Advertising Enable
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
     def on_hci_le_read_maximum_advertising_data_length_command(self, _command):
         '''
         See Bluetooth spec Vol 4, Part E - 7.8.57 LE Read Maximum Advertising Data
@@ -1557,6 +1592,27 @@ class Controller:
         '''
         return struct.pack('<BB', HCI_SUCCESS, 0xF0)
 
+    def on_hci_le_set_periodic_advertising_parameters_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.61 LE Set Periodic Advertising Parameters
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
+    def on_hci_le_set_periodic_advertising_data_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.62 LE Set Periodic Advertising Data
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
+    def on_hci_le_set_periodic_advertising_enable_command(self, _command):
+        '''
+        See Bluetooth spec Vol 4, Part E - 7.8.63 LE Set Periodic Advertising Enable
+        Command
+        '''
+        return bytes([HCI_SUCCESS])
+
     def on_hci_le_read_transmit_power_command(self, _command):
         '''
         See Bluetooth spec Vol 4, Part E - 7.8.74 LE Read Transmit Power Command

bumble/core.py

@@ -1624,6 +1624,9 @@ class AdvertisingData:
             [bytes([len(x[1]) + 1, x[0]]) + x[1] for x in self.ad_structures]
         )
 
+    def to_bytes(self) -> bytes:
+        return bytes(self)
+
     def to_string(self, separator=', '):
         return separator.join(
             [AdvertisingData.ad_data_to_string(x[0], x[1]) for x in self.ad_structures]

bumble/device.py

@@ -557,8 +557,15 @@ class AdvertisingParameters:
 # -----------------------------------------------------------------------------
 @dataclass
 class PeriodicAdvertisingParameters:
-    # TODO implement this class
-    pass
+    periodic_advertising_interval_min: int = DEVICE_DEFAULT_ADVERTISING_INTERVAL
+    periodic_advertising_interval_max: int = DEVICE_DEFAULT_ADVERTISING_INTERVAL
+    periodic_advertising_properties: (
+        hci.HCI_LE_Set_Periodic_Advertising_Parameters_Command.Properties
+    ) = field(
+        default_factory=lambda: hci.HCI_LE_Set_Periodic_Advertising_Parameters_Command.Properties(
+            0
+        )
+    )
 
 
 # -----------------------------------------------------------------------------
@@ -575,6 +582,7 @@ class AdvertisingSet(EventEmitter):
     periodic_advertising_data: bytes
     selected_tx_power: int = 0
     enabled: bool = False
+    periodic_enabled: bool = False
 
     def __post_init__(self) -> None:
         super().__init__()
@@ -603,7 +611,7 @@ class AdvertisingSet(EventEmitter):
                     int(advertising_parameters.primary_advertising_interval_min / 0.625)
                 ),
                 primary_advertising_interval_max=(
-                    int(advertising_parameters.primary_advertising_interval_min / 0.625)
+                    int(advertising_parameters.primary_advertising_interval_max / 0.625)
                 ),
                 primary_advertising_channel_map=int(
                     advertising_parameters.primary_advertising_channel_map
@@ -671,10 +679,26 @@ class AdvertisingSet(EventEmitter):
     async def set_periodic_advertising_parameters(
         self, advertising_parameters: PeriodicAdvertisingParameters
     ) -> None:
+        await self.device.send_command(
+            hci.HCI_LE_Set_Periodic_Advertising_Parameters_Command(
+                advertising_handle=self.advertising_handle,
+                periodic_advertising_interval_min=advertising_parameters.periodic_advertising_interval_min,
+                periodic_advertising_interval_max=advertising_parameters.periodic_advertising_interval_max,
+                periodic_advertising_properties=advertising_parameters.periodic_advertising_properties,
+            ),
+            check_result=True,
+        )
         self.periodic_advertising_parameters = advertising_parameters
 
     async def set_periodic_advertising_data(self, advertising_data: bytes) -> None:
-        # TODO: send command
+        await self.device.send_command(
+            hci.HCI_LE_Set_Periodic_Advertising_Data_Command(
+                advertising_handle=self.advertising_handle,
+                operation=hci.HCI_LE_Set_Extended_Advertising_Data_Command.Operation.COMPLETE_DATA,
+                advertising_data=advertising_data,
+            ),
+            check_result=True,
+        )
         self.periodic_advertising_data = advertising_data
 
     async def set_random_address(self, random_address: hci.Address) -> None:
@@ -712,17 +736,6 @@ class AdvertisingSet(EventEmitter):
 
         self.emit('start')
 
-    async def start_periodic(self, include_adi: bool = False) -> None:
-        await self.device.send_command(
-            hci.HCI_LE_Set_Periodic_Advertising_Enable_Command(
-                enable=1 | (2 if include_adi else 0),
-                advertising_handles=self.advertising_handle,
-            ),
-            check_result=True,
-        )
-
-        self.emit('start_periodic')
-
     async def stop(self) -> None:
         await self.device.send_command(
             hci.HCI_LE_Set_Extended_Advertising_Enable_Command(
@@ -737,14 +750,31 @@ class AdvertisingSet(EventEmitter):
 
         self.emit('stop')
 
-    async def stop_periodic(self) -> None:
+    async def start_periodic(self, include_adi: bool = False) -> None:
+        if self.periodic_enabled:
+            return
         await self.device.send_command(
             hci.HCI_LE_Set_Periodic_Advertising_Enable_Command(
-                enable=0,
-                advertising_handles=self.advertising_handle,
+                enable=1 | (2 if include_adi else 0),
+                advertising_handle=self.advertising_handle,
             ),
             check_result=True,
         )
+        self.periodic_enabled = True
+
+        self.emit('start_periodic')
+
+    async def stop_periodic(self) -> None:
+        if not self.periodic_enabled:
+            return
+        await self.device.send_command(
+            hci.HCI_LE_Set_Periodic_Advertising_Enable_Command(
+                enable=0,
+                advertising_handle=self.advertising_handle,
+            ),
+            check_result=True,
+        )
+        self.periodic_enabled = False
 
         self.emit('stop_periodic')
 
@@ -1542,6 +1572,10 @@ class DeviceConfiguration:
                 )
             )
 
+        # Load scan response data
+        if scan_response_data := config.pop('scan_response_data', None):
+            self.scan_response_data = bytes.fromhex(scan_response_data)
+
         # Load advertising interval (for backward compatibility)
         if advertising_interval := config.pop('advertising_interval', None):
             self.advertising_interval_min = advertising_interval
@@ -2460,14 +2494,27 @@ class Device(CompositeEventEmitter):
         if advertising_parameters is None:
             advertising_parameters = AdvertisingParameters()
 
+        if periodic_advertising_data and periodic_advertising_parameters is None:
+            periodic_advertising_parameters = PeriodicAdvertisingParameters()
+
         if (
             not advertising_parameters.advertising_event_properties.is_legacy
             and advertising_data
             and scan_response_data
         ):
             raise InvalidArgumentError(
-                "Extended advertisements can't have both data and scan \
-                              response data"
+                "Extended advertisements can't have both data and scan response data"
+            )
+
+        if periodic_advertising_parameters and (
+            advertising_parameters.advertising_event_properties.is_connectable
+            or advertising_parameters.advertising_event_properties.is_scannable
+            or advertising_parameters.advertising_event_properties.is_anonymous
+            or advertising_parameters.advertising_event_properties.is_legacy
+        ):
+            raise InvalidArgumentError(
+                "Periodic advertising set cannot be connectable, scannable, anonymous,"
+                "or legacy"
             )
 
         # Allocate a new handle
@@ -2522,12 +2569,14 @@ class Device(CompositeEventEmitter):
                 await advertising_set.set_scan_response_data(scan_response_data)
 
             if periodic_advertising_parameters:
-                # TODO: call LE Set Periodic Advertising Parameters command
-                raise NotImplementedError('periodic advertising not yet supported')
+                await advertising_set.set_periodic_advertising_parameters(
+                    periodic_advertising_parameters
+                )
 
             if periodic_advertising_data:
-                # TODO: call LE Set Periodic Advertising Data command
-                raise NotImplementedError('periodic advertising not yet supported')
+                await advertising_set.set_periodic_advertising_data(
+                    periodic_advertising_data
+                )
 
         except hci.HCI_Error as error:
             # Remove the advertising set so that it doesn't stay dangling in the

bumble/hci.py

@@ -1482,7 +1482,7 @@ class CodingFormat:
     vendor_specific_codec_id: int = 0
 
     @classmethod
-    def parse_from_bytes(cls, data: bytes, offset: int):
+    def parse_from_bytes(cls, data: bytes, offset: int) -> tuple[int, CodingFormat]:
         (codec_id, company_id, vendor_specific_codec_id) = struct.unpack_from(
             '<BHH', data, offset
         )
@@ -1492,6 +1492,10 @@ class CodingFormat:
             vendor_specific_codec_id=vendor_specific_codec_id,
         )
 
+    @classmethod
+    def from_bytes(cls, data: bytes) -> CodingFormat:
+        return cls.parse_from_bytes(data, 0)[1]
+
     def to_bytes(self) -> bytes:
         return struct.pack(
             '<BHH', self.codec_id, self.company_id, self.vendor_specific_codec_id
@@ -4327,6 +4331,61 @@ class HCI_LE_Clear_Advertising_Sets_Command(HCI_Command):
     '''
 
 
+# -----------------------------------------------------------------------------
+@HCI_Command.command(
+    [
+        ('advertising_handle', 1),
+        ('periodic_advertising_interval_min', 2),
+        ('periodic_advertising_interval_max', 2),
+        ('periodic_advertising_properties', 2),
+    ]
+)
+class HCI_LE_Set_Periodic_Advertising_Parameters_Command(HCI_Command):
+    '''
+    See Bluetooth spec @ 7.8.61 LE Set Periodic Advertising Parameters command
+    '''
+
+    class Properties(enum.IntFlag):
+        INCLUDE_TX_POWER = 1 << 6
+
+    advertising_handle: int
+    periodic_advertising_interval_min: int
+    periodic_advertising_interval_max: int
+    periodic_advertising_properties: int
+
+
+# -----------------------------------------------------------------------------
+@HCI_Command.command(
+    [
+        ('advertising_handle', 1),
+        (
+            'operation',
+            {
+                'size': 1,
+                'mapper': lambda x: HCI_LE_Set_Extended_Advertising_Data_Command.Operation(
+                    x
+                ).name,
+            },
+        ),
+        (
+            'advertising_data',
+            {
+                'parser': HCI_Object.parse_length_prefixed_bytes,
+                'serializer': HCI_Object.serialize_length_prefixed_bytes,
+            },
+        ),
+    ]
+)
+class HCI_LE_Set_Periodic_Advertising_Data_Command(HCI_Command):
+    '''
+    See Bluetooth spec @ 7.8.62 LE Set Periodic Advertising Data command
+    '''
+
+    advertising_handle: int
+    operation: int
+    advertising_data: bytes
+
+
 # -----------------------------------------------------------------------------
 @HCI_Command.command([('enable', 1), ('advertising_handle', 1)])
 class HCI_LE_Set_Periodic_Advertising_Enable_Command(HCI_Command):

bumble/profiles/aics.py

@@ -95,7 +95,7 @@ class AudioInputStatus(OpenIntEnum):
     Cf. 3.4 Audio Input Status
     '''
 
-    INATIVE = 0x00
+    INACTIVE = 0x00
     ACTIVE = 0x01
 
 
@@ -104,7 +104,7 @@ class AudioInputControlPointOpCode(OpenIntEnum):
     Cf. 3.5.1 Audio Input Control Point procedure requirements
     '''
 
-    SET_GAIN_SETTING = 0x00
+    SET_GAIN_SETTING = 0x01
     UNMUTE = 0x02
     MUTE = 0x03
     SET_MANUAL_GAIN_MODE = 0x04
@@ -239,7 +239,7 @@ class AudioInputControlPoint:
             or gain_settings_operand
             > self.gain_settings_properties.gain_settings_maximum
         ):
-            logger.error("gain_seetings value out of range")
+            logger.error("gain_settings value out of range")
             raise ATT_Error(ErrorCode.VALUE_OUT_OF_RANGE)
 
         if self.audio_input_state.gain_settings != gain_settings_operand:

bumble/profiles/bap.py

@@ -398,18 +398,21 @@ class CodecSpecificConfiguration:
         OCTETS_PER_FRAME         = 0x04
         CODEC_FRAMES_PER_SDU     = 0x05
 
-    sampling_frequency: SamplingFrequency
-    frame_duration: FrameDuration
-    audio_channel_allocation: AudioLocation
-    octets_per_codec_frame: int
-    codec_frames_per_sdu: int
+    sampling_frequency: SamplingFrequency | None = None
+    frame_duration: FrameDuration | None = None
+    audio_channel_allocation: AudioLocation | None = None
+    octets_per_codec_frame: int | None = None
+    codec_frames_per_sdu: int | None = None
 
     @classmethod
     def from_bytes(cls, data: bytes) -> CodecSpecificConfiguration:
         offset = 0
-        # Allowed default values.
-        audio_channel_allocation = AudioLocation.NOT_ALLOWED
-        codec_frames_per_sdu = 1
+        sampling_frequency: SamplingFrequency | None = None
+        frame_duration: FrameDuration | None = None
+        audio_channel_allocation: AudioLocation | None = None
+        octets_per_codec_frame: int | None = None
+        codec_frames_per_sdu: int | None = None
+
         while offset < len(data):
             length, type = struct.unpack_from('BB', data, offset)
             offset += 2
@@ -427,8 +430,6 @@ class CodecSpecificConfiguration:
             elif type == CodecSpecificConfiguration.Type.CODEC_FRAMES_PER_SDU:
                 codec_frames_per_sdu = value
 
-        # It is expected here that if some fields are missing, an error should be raised.
-        # pylint: disable=possibly-used-before-assignment,used-before-assignment
         return CodecSpecificConfiguration(
             sampling_frequency=sampling_frequency,
             frame_duration=frame_duration,
@@ -438,23 +439,43 @@ class CodecSpecificConfiguration:
         )
 
     def __bytes__(self) -> bytes:
-        return struct.pack(
-            '<BBBBBBBBIBBHBBB',
-            2,
-            CodecSpecificConfiguration.Type.SAMPLING_FREQUENCY,
-            self.sampling_frequency,
-            2,
-            CodecSpecificConfiguration.Type.FRAME_DURATION,
-            self.frame_duration,
-            5,
-            CodecSpecificConfiguration.Type.AUDIO_CHANNEL_ALLOCATION,
-            self.audio_channel_allocation,
-            3,
-            CodecSpecificConfiguration.Type.OCTETS_PER_FRAME,
-            self.octets_per_codec_frame,
-            2,
-            CodecSpecificConfiguration.Type.CODEC_FRAMES_PER_SDU,
-            self.codec_frames_per_sdu,
+        return b''.join(
+            [
+                struct.pack(fmt, length, tag, value)
+                for fmt, length, tag, value in [
+                    (
+                        '<BBB',
+                        2,
+                        CodecSpecificConfiguration.Type.SAMPLING_FREQUENCY,
+                        self.sampling_frequency,
+                    ),
+                    (
+                        '<BBB',
+                        2,
+                        CodecSpecificConfiguration.Type.FRAME_DURATION,
+                        self.frame_duration,
+                    ),
+                    (
+                        '<BBI',
+                        5,
+                        CodecSpecificConfiguration.Type.AUDIO_CHANNEL_ALLOCATION,
+                        self.audio_channel_allocation,
+                    ),
+                    (
+                        '<BBH',
+                        3,
+                        CodecSpecificConfiguration.Type.OCTETS_PER_FRAME,
+                        self.octets_per_codec_frame,
+                    ),
+                    (
+                        '<BBB',
+                        2,
+                        CodecSpecificConfiguration.Type.CODEC_FRAMES_PER_SDU,
+                        self.codec_frames_per_sdu,
+                    ),
+                ]
+                if value is not None
+            ]
         )
 
 
@@ -466,6 +487,25 @@ class BroadcastAudioAnnouncement:
     def from_bytes(cls, data: bytes) -> Self:
         return cls(int.from_bytes(data[:3], 'little'))
 
+    def to_bytes(self) -> bytes:
+        return self.broadcast_id.to_bytes(3, 'little')
+
+    def __bytes__(self) -> bytes:
+        return self.to_bytes()
+
+    def get_advertising_data(self) -> bytes:
+        return core.AdvertisingData(
+            [
+                (
+                    core.AdvertisingData.SERVICE_DATA_16_BIT_UUID,
+                    (
+                        gatt.GATT_BROADCAST_AUDIO_ANNOUNCEMENT_SERVICE.to_bytes()
+                        + self.to_bytes()
+                    ),
+                )
+            ]
+        ).to_bytes()
+
 
 @dataclasses.dataclass
 class BasicAudioAnnouncement:
@@ -474,26 +514,43 @@ class BasicAudioAnnouncement:
         index: int
         codec_specific_configuration: CodecSpecificConfiguration
 
-    @dataclasses.dataclass
-    class CodecInfo:
-        coding_format: hci.CodecID
-        company_id: int
-        vendor_specific_codec_id: int
+        def to_bytes(self) -> bytes:
+            codec_specific_configuration_bytes = bytes(
+                self.codec_specific_configuration
+            )
+            return (
+                bytes([self.index, len(codec_specific_configuration_bytes)])
+                + codec_specific_configuration_bytes
+            )
 
-        @classmethod
-        def from_bytes(cls, data: bytes) -> Self:
-            coding_format = hci.CodecID(data[0])
-            company_id = int.from_bytes(data[1:3], 'little')
-            vendor_specific_codec_id = int.from_bytes(data[3:5], 'little')
-            return cls(coding_format, company_id, vendor_specific_codec_id)
+        def __bytes__(self) -> bytes:
+            return self.to_bytes()
 
     @dataclasses.dataclass
     class Subgroup:
-        codec_id: BasicAudioAnnouncement.CodecInfo
+        codec_id: hci.CodingFormat
         codec_specific_configuration: CodecSpecificConfiguration
         metadata: le_audio.Metadata
         bis: List[BasicAudioAnnouncement.BIS]
 
+        def to_bytes(self) -> bytes:
+            metadata_bytes = bytes(self.metadata)
+            codec_specific_configuration_bytes = bytes(
+                self.codec_specific_configuration
+            )
+            return (
+                bytes([len(self.bis)])
+                + self.codec_id.to_bytes()
+                + bytes([len(codec_specific_configuration_bytes)])
+                + codec_specific_configuration_bytes
+                + bytes([len(metadata_bytes)])
+                + metadata_bytes
+                + b''.join(map(bytes, self.bis))
+            )
+
+        def __bytes__(self) -> bytes:
+            return self.to_bytes()
+
     presentation_delay: int
     subgroups: List[BasicAudioAnnouncement.Subgroup]
 
@@ -505,7 +562,7 @@ class BasicAudioAnnouncement:
         for _ in range(data[3]):
             num_bis = data[offset]
             offset += 1
-            codec_id = cls.CodecInfo.from_bytes(data[offset : offset + 5])
+            codec_id = hci.CodingFormat.from_bytes(data[offset : offset + 5])
             offset += 5
             codec_specific_configuration_length = data[offset]
             offset += 1
@@ -549,3 +606,26 @@ class BasicAudioAnnouncement:
             )
 
         return cls(presentation_delay, subgroups)
+
+    def to_bytes(self) -> bytes:
+        return (
+            self.presentation_delay.to_bytes(3, 'little')
+            + bytes([len(self.subgroups)])
+            + b''.join(map(bytes, self.subgroups))
+        )
+
+    def __bytes__(self) -> bytes:
+        return self.to_bytes()
+
+    def get_advertising_data(self) -> bytes:
+        return core.AdvertisingData(
+            [
+                (
+                    core.AdvertisingData.SERVICE_DATA_16_BIT_UUID,
+                    (
+                        gatt.GATT_BASIC_AUDIO_ANNOUNCEMENT_SERVICE.to_bytes()
+                        + self.to_bytes()
+                    ),
+                )
+            ]
+        ).to_bytes()

examples/run_unicast_server.py

@@ -161,7 +161,13 @@ async def main() -> None:
             else:
                 file_output = open(f'{datetime.datetime.now().isoformat()}.lc3', 'wb')
                 codec_configuration = ase.codec_specific_configuration
-                assert isinstance(codec_configuration, CodecSpecificConfiguration)
+                if (
+                    not isinstance(codec_configuration, CodecSpecificConfiguration)
+                    or codec_configuration.sampling_frequency is None
+                    or codec_configuration.audio_channel_allocation is None
+                    or codec_configuration.frame_duration is None
+                ):
+                    return
                 # Write a LC3 header.
                 file_output.write(
                     bytes([0x1C, 0xCC])  # Header.

tests/bap_test.py

@@ -39,6 +39,8 @@ from bumble.profiles.ascs import (
 )
 from bumble.profiles.bap import (
     AudioLocation,
+    BasicAudioAnnouncement,
+    BroadcastAudioAnnouncement,
     SupportedFrameDuration,
     SupportedSamplingFrequency,
     SamplingFrequency,
@@ -200,6 +202,56 @@ def test_codec_specific_configuration() -> None:
     assert CodecSpecificConfiguration.from_bytes(bytes(config)) == config
 
 
+# -----------------------------------------------------------------------------
+def test_broadcast_audio_announcement() -> None:
+    broadcast_audio_announcement = BroadcastAudioAnnouncement(123456)
+    assert (
+        BroadcastAudioAnnouncement.from_bytes(bytes(broadcast_audio_announcement))
+        == broadcast_audio_announcement
+    )
+
+
+# -----------------------------------------------------------------------------
+def test_basic_audio_announcement() -> None:
+    basic_audio_announcement = BasicAudioAnnouncement(
+        presentation_delay=40000,
+        subgroups=[
+            BasicAudioAnnouncement.Subgroup(
+                codec_id=CodingFormat(codec_id=CodecID.LC3),
+                codec_specific_configuration=CodecSpecificConfiguration(
+                    sampling_frequency=SamplingFrequency.FREQ_48000,
+                    frame_duration=FrameDuration.DURATION_10000_US,
+                    octets_per_codec_frame=100,
+                ),
+                metadata=Metadata(
+                    [
+                        Metadata.Entry(tag=Metadata.Tag.LANGUAGE, data=b'eng'),
+                        Metadata.Entry(tag=Metadata.Tag.PROGRAM_INFO, data=b'Disco'),
+                    ]
+                ),
+                bis=[
+                    BasicAudioAnnouncement.BIS(
+                        index=0,
+                        codec_specific_configuration=CodecSpecificConfiguration(
+                            audio_channel_allocation=AudioLocation.FRONT_LEFT
+                        ),
+                    ),
+                    BasicAudioAnnouncement.BIS(
+                        index=1,
+                        codec_specific_configuration=CodecSpecificConfiguration(
+                            audio_channel_allocation=AudioLocation.FRONT_RIGHT
+                        ),
+                    ),
+                ],
+            )
+        ],
+    )
+    assert (
+        BasicAudioAnnouncement.from_bytes(bytes(basic_audio_announcement))
+        == basic_audio_announcement
+    )
+
+
 # -----------------------------------------------------------------------------
 @pytest.mark.asyncio
 async def test_pacs():

tests/device_test.py

@@ -19,9 +19,7 @@ import asyncio
 import functools
 import logging
 import os
-from types import LambdaType
 import pytest
-from unittest import mock
 
 from bumble.core import (
     BT_BR_EDR_TRANSPORT,
@@ -29,7 +27,13 @@ from bumble.core import (
     BT_PERIPHERAL_ROLE,
     ConnectionParameters,
 )
-from bumble.device import AdvertisingParameters, Connection, Device
+from bumble.device import (
+    AdvertisingEventProperties,
+    AdvertisingParameters,
+    Connection,
+    Device,
+    PeriodicAdvertisingParameters,
+)
 from bumble.host import AclPacketQueue, Host
 from bumble.hci import (
     HCI_ACCEPT_CONNECTION_REQUEST_COMMAND,
@@ -265,7 +269,8 @@ async def test_flush():
 # -----------------------------------------------------------------------------
 @pytest.mark.asyncio
 async def test_legacy_advertising():
-    device = Device(host=mock.AsyncMock(Host))
+    device = TwoDevices()[0]
+    await device.power_on()
 
     # Start advertising
     await device.start_advertising()
@@ -283,7 +288,10 @@ async def test_legacy_advertising():
 )
 @pytest.mark.asyncio
 async def test_legacy_advertising_disconnection(auto_restart):
-    device = Device(host=mock.AsyncMock(spec=Host))
+    devices = TwoDevices()
+    device = devices[0]
+    devices.controllers[0].le_features = bytes.fromhex('ffffffffffffffff')
+    await device.power_on()
     peer_address = Address('F0:F1:F2:F3:F4:F5')
     await device.start_advertising(auto_restart=auto_restart)
     device.on_connection(
@@ -305,6 +313,11 @@ async def test_legacy_advertising_disconnection(auto_restart):
     await async_barrier()
 
     if auto_restart:
+        assert device.legacy_advertising_set
+        started = asyncio.Event()
+        if not device.is_advertising:
+            device.legacy_advertising_set.once('start', started.set)
+            await asyncio.wait_for(started.wait(), _TIMEOUT)
         assert device.is_advertising
     else:
         assert not device.is_advertising
@@ -313,7 +326,8 @@ async def test_legacy_advertising_disconnection(auto_restart):
 # -----------------------------------------------------------------------------
 @pytest.mark.asyncio
 async def test_extended_advertising():
-    device = Device(host=mock.AsyncMock(Host))
+    device = TwoDevices()[0]
+    await device.power_on()
 
     # Start advertising
     advertising_set = await device.create_advertising_set()
@@ -332,7 +346,8 @@ async def test_extended_advertising():
 )
 @pytest.mark.asyncio
 async def test_extended_advertising_connection(own_address_type):
-    device = Device(host=mock.AsyncMock(spec=Host))
+    device = TwoDevices()[0]
+    await device.power_on()
     peer_address = Address('F0:F1:F2:F3:F4:F5')
     advertising_set = await device.create_advertising_set(
         advertising_parameters=AdvertisingParameters(own_address_type=own_address_type)
@@ -368,8 +383,10 @@ async def test_extended_advertising_connection(own_address_type):
 )
 @pytest.mark.asyncio
 async def test_extended_advertising_connection_out_of_order(own_address_type):
-    device = Device(host=mock.AsyncMock(spec=Host))
-    peer_address = Address('F0:F1:F2:F3:F4:F5')
+    devices = TwoDevices()
+    device = devices[0]
+    devices.controllers[0].le_features = bytes.fromhex('ffffffffffffffff')
+    await device.power_on()
     advertising_set = await device.create_advertising_set(
         advertising_parameters=AdvertisingParameters(own_address_type=own_address_type)
     )
@@ -382,7 +399,7 @@ async def test_extended_advertising_connection_out_of_order(own_address_type):
     device.on_connection(
         0x0001,
         BT_LE_TRANSPORT,
-        peer_address,
+        Address('F0:F1:F2:F3:F4:F5'),
         None,
         None,
         BT_PERIPHERAL_ROLE,
@@ -397,6 +414,34 @@ async def test_extended_advertising_connection_out_of_order(own_address_type):
     await async_barrier()
 
 
+# -----------------------------------------------------------------------------
+@pytest.mark.asyncio
+async def test_periodic_advertising():
+    device = TwoDevices()[0]
+    await device.power_on()
+
+    # Start advertising
+    advertising_set = await device.create_advertising_set(
+        advertising_parameters=AdvertisingParameters(
+            advertising_event_properties=AdvertisingEventProperties(
+                is_connectable=False
+            )
+        ),
+        advertising_data=b'123',
+        periodic_advertising_parameters=PeriodicAdvertisingParameters(),
+        periodic_advertising_data=b'abc',
+    )
+    assert device.extended_advertising_sets
+    assert advertising_set.enabled
+    assert not advertising_set.periodic_enabled
+
+    await advertising_set.start_periodic()
+    assert advertising_set.periodic_enabled
+
+    await advertising_set.stop_periodic()
+    assert not advertising_set.periodic_enabled
+
+
 # -----------------------------------------------------------------------------
 @pytest.mark.asyncio
 async def test_get_remote_le_features():