Files
joycontrol/run_and_pair_switch.py
T
2020-01-29 13:55:26 +09:00

94 lines
2.8 KiB
Python

import asyncio
import logging
import os
import socket
import logging_default as log
import utils
from device import HidDevice
from protocol import controller_protocol_factory, Controller
from report import InputReport
from transport import L2CAP_Transport
logger = logging.getLogger(__name__)
async def create_hid_server(protocol_factory, ctl_psm, itr_psm):
ctl_sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_SEQPACKET, socket.BTPROTO_L2CAP)
itr_sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_SEQPACKET, socket.BTPROTO_L2CAP)
# for some reason we need to restart bluetooth here, the Switch does not connect to the sockets if we don't...
logger.info('Restarting bluetooth service...')
await utils.run_system_command('systemctl restart bluetooth.service')
await asyncio.sleep(1)
ctl_sock.setblocking(False)
itr_sock.setblocking(False)
ctl_sock.bind((socket.BDADDR_ANY, ctl_psm))
itr_sock.bind((socket.BDADDR_ANY, itr_psm))
ctl_sock.listen(1)
itr_sock.listen(1)
protocol = protocol_factory()
hid = HidDevice()
# setting bluetooth adapter name and class to the device we wish to emulate
await hid.set_name(protocol.controller.device_name())
await hid.set_class()
logger.info('Advertising the Bluetooth SDP record...')
hid.register_sdp_record('profile/sdp_record_hid_pro.xml')
hid.discoverable()
loop = asyncio.get_event_loop()
client_ctl, ctl_address = await loop.sock_accept(ctl_sock)
logger.info(f'Accepted connection at psm {ctl_psm} from {ctl_address}')
client_itr, itr_address = await loop.sock_accept(itr_sock)
logger.info(f'Accepted connection at psm {itr_psm} from {itr_address}')
assert ctl_address[0] == itr_address[0]
transport = L2CAP_Transport(asyncio.get_event_loop(), protocol, client_itr, 50)
protocol.connection_made(transport)
return transport, protocol
async def send_empty_input_reports(transport):
report = InputReport()
while True:
await transport.write(report)
await asyncio.sleep(1)
async def main():
transport, protocol = await create_hid_server(controller_protocol_factory(Controller.PRO_CONTROLLER), 17, 19)
# send some empty input reports until the switch decides to reply
future = asyncio.ensure_future(send_empty_input_reports(transport))
await protocol.wait_for_output_report()
future.cancel()
try:
await future
except asyncio.CancelledError:
pass
# stop communication after some time
await asyncio.sleep(60)
logger.info('Stopping communication...')
await transport.close()
if __name__ == '__main__':
# check if root
if not os.geteuid() == 0:
raise PermissionError('Script must be run as root!')
# setup logging
log.configure()
loop = asyncio.get_event_loop()
loop.run_until_complete(main())