32     def __init__(self, port, reset_delay=DEFAULT_RESET_DELAY):  argument
33         self.port = port
45                 if not self.port.isOpen():
46                     self.port.open()
61                 self.port.close()
68         self.port.setDTR(state)
71         self.port.setRTS(state)
75         self.port.setDTR(self.port.dtr)
79             "I", fcntl.ioctl(self.port.fileno(), TIOCMGET, struct.pack("I", 0))
89         fcntl.ioctl(self.port.fileno(), TIOCMSET, struct.pack("I", status))
151     def __init__(self, port, uses_usb=False):  argument
152         super().__init__(port)
199     def __init__(self, port, seq_str):  argument
200         super().__init__(port)