120 lines
3.9 KiB
C#
120 lines
3.9 KiB
C#
///
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/// Copyright (c) 2016 Sensus Metering Systems
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///
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using System;
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using System.Collections.Generic;
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using log4net;
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using TBF.Boxes;
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using TBF.BenchControl.Keithley.Multimeter_2010_RS232;
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namespace TBF.BenchControl.Keithley.TempMeter
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{
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public class TempMeter : ComponentBase, GenericDevices.ITempMeter
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(TempMeter));
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public override string ToString() { return string.Format("Keithley.TempMeter({0})", Cfg.ToString(1)); }
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readonly TempMeterCfg tempMtrCfg; /// configuration
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public readonly Multimeter Multimeter; /// parent component
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public int Channel { get { return tempMtrCfg.Channel; } } /// 1..5
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/// Dictionaries to maintain separate operations for each FloatBox argument
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Dictionary<FloatBox, IOperation> operations;
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Dictionary<FloatBox, IOperation> operations2;
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public TempMeter()
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{
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}
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public TempMeter(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
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: base(cfg)
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{
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tempMtrCfg = cfg as TempMeterCfg;
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Multimeter = (Multimeter)TbfComponents.FindComponent(cfg.ParentName, components);
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if (Multimeter == null) throw new Exception("Cannot find " + Name + " parent");
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operations = new Dictionary<FloatBox, IOperation>();
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operations2 = new Dictionary<FloatBox, IOperation>();
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log.Debug(this.ToString());
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}
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public float ReadTemperature()
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{
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double resistance = Multimeter.ReadResistance(tempMtrCfg.Channel);
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double temperature = 0;
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if (resistance > 0 && resistance < 2000)
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{
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if (tempMtrCfg.UseITS90)
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{
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temperature = Formulas.PlatinumResistanceTM_ITS90_R2T(resistance,
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tempMtrCfg.R001C,
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tempMtrCfg.a7,
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tempMtrCfg.b7,
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tempMtrCfg.c7);
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}
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else
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{
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temperature = Formulas.PlatinumResistanceTM_ITS27_R2T(resistance,
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tempMtrCfg.R0,
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tempMtrCfg.a,
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tempMtrCfg.b);
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}
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log.DebugFormat("Ch = {0}, R = {1} Ohm, T = {2} °C", Channel, resistance.ToString("F3"), temperature.ToString("F3"));
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}
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return (float)temperature;
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}
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/// <summary>
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/// Events: TempDone, Error
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/// </summary>
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/// <param name="temp">Reference to a variable for the temperature in Celsius</param>
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/// <returns>ReadTempOp instance reference casted to IOperaton</returns>
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public IOperation ReadTempOp(ref FloatBox temp)
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{
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IOperation operation;
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if (operations.TryGetValue(temp, out operation))
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{
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return operation; /// Operation already available
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}
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else
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{
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/// Create a new operation and store it in the dictionary
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operation = new ReadTempOp(this, ref temp);
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operations.Add(temp, operation);
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return operation;
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}
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}
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/// <summary>
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/// Events: tempDone, Error
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/// </summary>
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/// <param name="temp">Reference to a variable for the temperature in Celsius</param>
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/// <param name="tempDone">Event returned when measurement done</param>
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/// <returns>ReadTempOp instance reference casted to IOperaton</returns>
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public IOperation ReadTempOp(ref FloatBox temp, Event tempDone)
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{
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IOperation operation;
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if (operations2.TryGetValue(temp, out operation))
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{
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return operation; /// Operation already available
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}
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else
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{
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/// Create a new operation and store it in the dictionary
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operation = new ReadTempOp(this, ref temp, tempDone);
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operations2.Add(temp, operation);
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return operation;
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}
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}
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}
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}
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