hfp.py 文件源码

def _connect_hfp(address, control_chan=True, audio_chan=True):
        connection = None

        # Connect to RFCOMM control channel on HF (car kit)
        if control_chan:
            port = find_service("hf", address)
            print("HFP connecting to %s on port %i" % (address, port))
            connection = common.Socket()
            time.sleep(0.5)
            connection.connect((address, port))

        if audio_chan and hasattr(socket, "BTPROTO_SCO"):
            asock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_SEQPACKET, socket.BTPROTO_SCO)
            time.sleep(0.5)
            asock.connect(bytes(address, encoding="UTF-8"))
            print("HFP SCO audio socket established")

        return connection