async def _engine_fxn(q_cmd, q_ans, hooks):
bs.check_bluez_version()
uuid_c = hooks['uuid_c']
cmd_tx_cb = hooks['cmd_cb']
ans_rx_cb = hooks['ans_cb']
nn = hooks['names']
cli = None
while 1:
# dequeue external command
be.g_cmd = q_cmd.get()
# xmodem case apart :)
if await be.engine_parse_xmodem(be.g_cmd):
await _parse_command(cmd_tx_cb, ans_rx_cb, cli, q_ans)
continue
if await engine_parse_cmd_bye(be.g_cmd, cli, q_ans):
break
if await engine_parse_cmd_scan(be.g_cmd, nn, q_ans):
continue
if engine_parse_cmd_disconnect(be.g_cmd, q_ans):
if cli:
await cli.disconnect()
cli = None
continue
if engine_parse_cmd_connect(be.g_cmd):
mac = be.g_cmd.split()[1]
cli = BleakClient(mac)
if await cli.connect():
cli._mtu_size = MAX_MTU_SIZE
await asyncio.sleep(1.1)
await cli.start_notify(uuid_c, _nh)
q_ans.put(cli.address)
else:
cli = None
continue
await _parse_command(cmd_tx_cb, ans_rx_cb, cli, q_ans)
