code: def set_line_property(bits, stopbits,  parity)
        check_result(Ftdi.ftdi_set_line_property(ctx, bits, stopbits, parity))
      end
docs: Set (RS232) line characteristics.
   The break type can only be set via {#set_line_property2} and defaults to "off".
   @param [BitsType] bits
   @param [StopbitsType] stopbits
   @param [ParityType] parity
   @raise [StatusCodeError] libftdi reports error.
   @return [NilClass] nil