MyCeCryo.m
4acf3b64eb0dTekRSA-Freq-vs-Time

MyCeCryo.m
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			% Class for controlling the auto manifold of ColdEdge stinger cryostat.
			% The manifold is controlled by an Arduino board that communicates with
			% computer via serial protocol.

			classdef MyCeCryo < MyInstrument

			properties
			valve_states
			end

			methods (Access=public)
			function this = MyCeCryo(interface, address)
			% A visa-serial Device object is created by the superclass
			% constructor
			% Below the serial port is configured according to the labview
			% program that came with the cryostat.
			% These settings are the same as usual default,
			% but still set them explicitly to be sure.
			this.Device.BaudRate=9600;
			this.Device.DataBits=8;
			this.Device.FlowControl='none';
			this.Device.Parity='none';
			this.Device.StopBits=1;
			this.Device.DataTerminalReady='on';

			% Buffer size of 64 kB should be way an overkill. The labview
			% program provided by ColdEdge use 256 Bytes.
			this.Device.InputBufferSize=2^16;
			this.Device.OutputBufferSize=2^16;

			this.Device
			end

			function idn(this)
			this.idn_str=query(this.Device,'LAINI*');
			end

			function toggleValve(this, n)
			cmd=['LAcV',num2str(n),'*'];
			query(this.Device, cmd);
			end
			end
			end