//Copyright 2012-2019 Keysight Technologies
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//
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//Licensed under the Apache License, Version 2.0 (the "License");
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//you may not use this file except in compliance with the License.
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//You may obtain a copy of the License at
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//
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//http://www.apache.org/licenses/LICENSE-2.0
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//
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//Unless required by applicable law or agreed to in writing, software
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//distributed under the License is distributed on an "AS IS" BASIS,
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//WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//See the License for the specific language governing permissions and
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//limitations under the License.
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using System;
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using OpenTap;
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// Note this template assumes that you have a SCPI based instrument, and accordingly
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// extends the ScpiInstrument base class.
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namespace OpenTap.Plugins.PluginDevelopment
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{
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[Display("Scpi Instrument Example", Groups: new[] { "Examples", "Plugin Development" }, Description: "Example of a SCPI Instrument implementation.")]
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// If the instrument is SCPI based, inheriting from the ScpiInstrument base class will simplify implementation.
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public class ScpiInstrumentExample : ScpiInstrument
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{
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// ScpiInstuments provides useful settings for VisaAddress, IdnString and others.
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// Anything not already included in ScpiInstrument can be added here.
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public ScpiInstrumentExample()
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{
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// Set the name of the Scpi Instrument Example
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Name = "ScpiEx";
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// Set default values for properties / settings.
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VisaAddress = "Simulate";
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}
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/// <summary>
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/// Open procedure for the instrument.
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/// </summary>
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public override void Open()
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{
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base.Open();
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// Use this to ensure the correct instrument is being connected to.
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if (!IdnString.Contains("Instrument ID"))
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{
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Log.Error("This instrument driver does not support the connected instrument.");
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throw new ArgumentException("Wrong instrument type.");
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}
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}
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// Add wrapper methods as needed.
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public void Configure(double centerFrequency, double frequencySpan, int points)
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{
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// Use ScpiCommand to send SCPI strings to the instrument.
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ScpiCommand("SENSE:FREQ:CENT " + centerFrequency);
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ScpiCommand("SENSE: FREQ:SPAN " + frequencySpan);
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ScpiCommand("SENSE:SWE:POIN " + points);
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}
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public double[] SweepMeasurement()
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{
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// Use ScpiQuery to read back from the device.
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return ScpiQuery<double[]>("READ:SAN1?");
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}
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/// <summary>
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/// Close procedure for the instrument.
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/// </summary>
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public override void Close()
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{
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// Add code to close the connection to the instrument here.
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base.Close();
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}
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}
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}
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