82 lines
2.0 KiB
C#
82 lines
2.0 KiB
C#
///
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/// Copyright (c) 2015-2016 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.Multi
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{
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public class ReadMassOp : IOperation
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(ReadMassOp));
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public override string ToString() { return string.Format("ReadMassOp(.,.)"); }
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bool started;
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bool done;
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/// Set by the constructor
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BalanceDev scale;
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DoubleBox result;
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/// <summary>
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/// Events: BalanceDone, Error
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/// </summary>
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/// <param name="scale">Balance device instance</param>
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/// <param name="requiredReadingsCount">Required mass readings count (>= 3)</param>
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/// <param name="result">Reference to the measured mass in kg</param>
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public ReadMassOp(BalanceDev scale, ref DoubleBox result)
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{
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if (scale == null) throw new ArgumentNullException("scale");
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this.scale = scale;
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this.result = result;
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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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started = BalanceDev.GetImmediateMassMeasurement(scale.IdNr, scale.Name);
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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 (!started)
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{
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started = BalanceDev.GetImmediateMassMeasurement(scale.IdNr, scale.Name);
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if (!done)
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return Event.Busy;
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else
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return Event.BalanceDone;
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}
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else if (started && scale.MsrmntState != MsrmntState.Busy)
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{
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if (scale.MsrmntState == MsrmntState.Valid) result.Val = scale.Mass;
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log.InfoFormat("ReadMassOp.Run() ... state={0}, mass={1} ... returning Event.BalanceDone",
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scale.MsrmntState, scale.Mass);
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done = true;
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started = false;
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return Event.BalanceDone; /// Mass read OK
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}
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else
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{
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return Event.Busy;
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}
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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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