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HFP: State memory and event emit

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This commit is contained in:
Josh Wu
2024-01-30 14:36:03 +08:00
parent 071fc2723a
commit d2dcf063ee
2 changed files with 258 additions and 68 deletions
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42
examples/run_hfp_handsfree.py
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@@ -21,11 +21,13 @@ import os
import logging
import json
import websockets
import functools
from typing import Optional
from bumble.device import Device
from bumble import rfcomm
from bumble import hci
from bumble.device import Device, Connection
from bumble.transport import open_transport_or_link
from bumble.rfcomm import Server as RfcommServer
from bumble import hfp
from bumble.hfp import HfProtocol
@@ -57,12 +59,44 @@ class UiServer:
# -----------------------------------------------------------------------------
def on_dlc(dlc, configuration: hfp.Configuration):
def on_dlc(dlc: rfcomm.DLC, configuration: hfp.Configuration):
print('*** DLC connected', dlc)
protocol = HfProtocol(dlc, configuration)
UiServer.protocol = protocol
asyncio.create_task(protocol.run())
def on_sco_request(connection: Connection, link_type: int, protocol: HfProtocol):
if connection == protocol.dlc.multiplexer.l2cap_channel.connection:
if link_type == hci.HCI_Connection_Complete_Event.SCO_LINK_TYPE:
esco_parameters = hfp.ESCO_PARAMETERS[
hfp.DefaultCodecParameters.SCO_CVSD_D1
]
elif protocol.active_codec == hfp.AudioCodec.MSBC:
esco_parameters = hfp.ESCO_PARAMETERS[
hfp.DefaultCodecParameters.ESCO_MSBC_T2
]
elif protocol.active_codec == hfp.AudioCodec.CVSD:
esco_parameters = hfp.ESCO_PARAMETERS[
hfp.DefaultCodecParameters.ESCO_CVSD_S4
]
connection.abort_on(
'disconnection',
connection.device.send_command(
hci.HCI_Enhanced_Accept_Synchronous_Connection_Request_Command(
bd_addr=connection.peer_address, **esco_parameters.asdict()
)
),
)
handler = functools.partial(on_sco_request, protocol=protocol)
dlc.multiplexer.l2cap_channel.connection.device.on('sco_request', handler)
dlc.multiplexer.l2cap_channel.once(
'close',
lambda: dlc.multiplexer.l2cap_channel.connection.device.remove_listener(
'sco_request', handler
),
)
# -----------------------------------------------------------------------------
async def main():
@@ -101,7 +135,7 @@ async def main():
device.classic_enabled = True
# Create and register a server
rfcomm_server = RfcommServer(device)
rfcomm_server = rfcomm.Server(device)
# Listen for incoming DLC connections
channel_number = rfcomm_server.listen(lambda dlc: on_dlc(dlc, configuration))