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add support for ACL and ISO HCI packet queues

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This commit is contained in:
Gilles Boccon-Gibod
2025-01-22 13:15:37 -05:00
parent af466c2970
commit cbd46adbcf
9 changed files with 471 additions and 115 deletions
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29
bumble/device.py
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@@ -52,7 +52,7 @@ from pyee import EventEmitter
from .colors import color
from .att import ATT_CID, ATT_DEFAULT_MTU, ATT_PDU
from .gatt import Characteristic, Descriptor, Service
from .host import Host
from .host import DataPacketQueue, Host
from .profiles.gap import GenericAccessService
from .core import (
BT_BR_EDR_TRANSPORT,
@@ -1329,7 +1329,6 @@ class ScoLink(CompositeEventEmitter):
class _IsoLink:
handle: int
device: Device
packet_sequence_number: int
sink: Callable[[hci.HCI_IsoDataPacket], Any] | None = None
class Direction(IntEnum):
@@ -1391,22 +1390,12 @@ class _IsoLink:
return response.return_parameters.status
def write(self, sdu: bytes) -> None:
"""Write an ISO SDU.
"""Write an ISO SDU."""
self.device.host.send_iso_sdu(connection_handle=self.handle, sdu=sdu)
This will automatically increase the packet sequence number.
"""
self.device.host.send_hci_packet(
hci.HCI_IsoDataPacket(
connection_handle=self.handle,
data_total_length=len(sdu) + 4,
packet_sequence_number=self.packet_sequence_number,
pb_flag=0b10,
packet_status_flag=0,
iso_sdu_length=len(sdu),
iso_sdu_fragment=sdu,
)
)
self.packet_sequence_number = (self.packet_sequence_number + 1) % 0x10000
@property
def data_packet_queue(self) -> DataPacketQueue | None:
return self.device.host.get_data_packet_queue(self.handle)
# -----------------------------------------------------------------------------
@@ -1426,7 +1415,6 @@ class CisLink(CompositeEventEmitter, _IsoLink):
def __post_init__(self) -> None:
super().__init__()
self.packet_sequence_number = 0
async def disconnect(
self, reason: int = hci.HCI_REMOTE_USER_TERMINATED_CONNECTION_ERROR
@@ -1443,7 +1431,6 @@ class BisLink(_IsoLink):
def __post_init__(self) -> None:
self.device = self.big.device
self.packet_sequence_number = 0
# -----------------------------------------------------------------------------
@@ -1691,6 +1678,10 @@ class Connection(CompositeEventEmitter):
self.peer_le_features = await self.device.get_remote_le_features(self)
return self.peer_le_features
@property
def data_packet_queue(self) -> DataPacketQueue | None:
return self.device.host.get_data_packet_queue(self.handle)
async def __aenter__(self):
return self