121 lines
3.5 KiB
C#
121 lines
3.5 KiB
C#
///
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/// Copyright (c) 2017 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.BenchControl.GenericDevices;
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namespace TBF.BenchControl.Dummy.RegulValve
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{
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public class SetRegulValvePositionOp : IOperation
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(SetRegulValvePositionOp));
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public override string ToString()
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{
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return string.Format("SetRegulValvePositionOp({0},{1},{2})", regulValve.Name, posLoPct, posHiPct);
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}
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const int CoaxValveNr = 7; /// Coax. valve has number 7
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///
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/// Internal states of this operation
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///
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enum OpState
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{
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Idle = 0,
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MoveToPosition, /// Send commend to move to position
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CheckState, /// Check RV state by reading statos word
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MovingToPosition, /// Command passed OK, RV is moving to a position
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}
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OpState opState;
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/// Set by the constructor
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readonly RegulValve regulValve;
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readonly float posLoPct;
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readonly float posHiPct;
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readonly int timeout;
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/// Process values
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bool firstRun;
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int expireTime;
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bool positionReached;
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/// <summary>
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/// Set required water flow.
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/// Events: FlowSet, FlowTimeOut
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/// </summary>
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/// <param name="controlBoard">Control board device</param>
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/// <param name="_regulValve">Regulation valve component</param>
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/// <param name="posLoPct">Lower limit of the position to be achieved</param>
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/// <param name="posHiPct">Upper limit of the position to be achieved</param>
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/// <param name="timeout">Timeout in sec. for setting the flow</param>
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/// <remarks>Only Elde.Valve flow are used, other flow on the lists are ignored</remarks>
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public SetRegulValvePositionOp(RegulValve regulValve, float posLoPct, float posHiPct, int timeout)
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{
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this.regulValve = regulValve as RegulValve;
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if (regulValve == null) throw new ArgumentNullException("regValve is null or not Elde");
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this.posLoPct = posLoPct;
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this.posHiPct = posHiPct;
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this.timeout = timeout;
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log.Debug(this.ToString());
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}
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/// <summary>
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/// Set required water flow - no timeout.
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/// Events: FlowSet
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/// </summary>
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public SetRegulValvePositionOp(RegulValve regValve, float posLoPct, float posHiPct)
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: this(regValve, posLoPct, posHiPct, int.MaxValue)
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{
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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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firstRun = true;
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positionReached = false;
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expireTime = StateMachine.Time + timeout;
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log.InfoFormat("Start(): RV#={0}, reqPosLo={1}%, reqPosHi={2}%", posLoPct.ToString("F1"), posHiPct.ToString("F1"));
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opState = OpState.MoveToPosition;
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}
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/// <summary>Run this operation</summary>
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/// <returns>
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/// Event.None . . . . . . . busy adjusting position
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/// Event.PositionReached . . position reached
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/// Event.OpArgumentError . . invalid required position
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/// </returns>
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public Event Run()
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{
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if (opState == OpState.MoveToPosition)
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{
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opState = OpState.CheckState;
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return Event.None;
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}
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if (positionReached) return Event.PositionReached;
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if (opState == OpState.CheckState)
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{
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opState = OpState.MovingToPosition;
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return Event.None;
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}
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else if (opState == OpState.MovingToPosition)
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{
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positionReached = true;
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return Event.PositionReached;
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}
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return Event.None;
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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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