79 lines
1.9 KiB
C#
79 lines
1.9 KiB
C#
///
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/// Copyright (c) 2013-2015 Sensus Metering Systems
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///
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using System;
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using log4net;
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using TBF.Boxes;
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namespace TBF.BenchControl.MettlerToledo.Standard
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{
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public class TaringOp : IOperation
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(TaringOp));
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public override string ToString() { return string.Format("TaringOp(.,.)"); }
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bool done;
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/// Set by the constructor
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BalanceDev balanceDev;
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FloatBox tara;
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/// <summary>
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/// Events: BalanceDone, Error
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/// </summary>
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/// <param name="balanceDev">Balance device instance</param>
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/// <param name="result">Reference to variable for 'tara' in kg</param>
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public TaringOp(BalanceDev balanceDev, ref FloatBox tara)
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{
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if (balanceDev == null) throw new ArgumentNullException("balanceDev");
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this.balanceDev = balanceDev;
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this.tara = tara;
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log.Debug(this.ToString());
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}
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/// <summary>Start this operation</summary>
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public void Start()
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{
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done = false;
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balanceDev.Taring();
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}
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/// <summary>Run this operation</summary>
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/// <returns>
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/// Event.None
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/// Event.BalanceDone
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/// Event.Error . . . . . Current.Tick == null
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/// </returns>
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public Event Run()
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{
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if (done) return Event.BalanceDone; /// Taring has been done already
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if (balanceDev.MsrmntState == MsrmntState.Busy) return Event.Busy;
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if (balanceDev.MsrmntState == MsrmntState.Overload)
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{
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tara.Val = balanceDev.Capacity;
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done = true;
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return Event.BalanceOverload;
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}
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if (balanceDev.MsrmntState == MsrmntState.Valid)
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{
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tara.Val = balanceDev.Mass;
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done = true;
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return Event.BalanceDone; /// Taring completed
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}
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balanceDev.Taring(); /// Failed -> repeat taring
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return Event.Busy;
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}
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/// <summary>Stop this operation</summary>
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public void Stop()
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{
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}
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}
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}
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