+def inquire_connection(dev):
+ packed = pack_pkt(INQ_CMD, "")
+ dev.send_data(packed)
+ info = dev.recv_data(7)
+ print(info)
+ if info == bytearray(b'\x00') or info == bytearray(b''):
+ return False
+ msg = unpack_pkt(info)
+ print("Connection already established")
+ print(msg)
+ return True
+