///
/// Copyright (c) 2013-2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using System.Text;
using log4net;
using TBF.BenchControl;
using TBF.Boxes;
using TBF.Resources;
using TBF.UiBridge;

namespace TBF.BenchControl.TestMethods.FixedStartMassCollection
{
	public class FixedStartMassCollectionSeq : Sequences.SequenceBase
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(FixedStartMassCollectionSeq));

		/// <summary>
		/// Flying start mass collection method sequence
		/// </summary>
		/// <param name="test">Test entity</param>
		/// <returns>
		///		Event.Done . . . . . . . OK
		///		Event.UiCmdStop  . . . . Stopped by the user using the on-screen button STOP
		///		Event.OpArgumentError  . Target flow is out of range
		///		Event.Error  . . . . . . Unspecified error
		/// </returns>
		public IList<Event> Execute(Config.Entities.Test test, bool outerLoopMode, int outerLoopCounter,
                                    bool compound,
                                    HeatMeters.TestParams heatMetersTestParams)
        {
            Elde.ControlBoardDev cBrd = StateMachine.ControlBoard;

            IList<Event> e = new List<Event>();             /// Events from currently running operations
            Event retVal = Event.Done;
            checkUiOp = new Operations.CheckUIOp(true);     /// Runs in more then one state

            LtrPerRefPulse = outPath.FlowMeter.LtrPerPulse;         /// [ltr/pulse], nominal flow in [m3/h]

            /// Notes:
            ///   float timeHr = volumeLtr / (1000.0f * targetFlow);
            ///   float timeSec = 3600.0f * timeHr;
            ///   int refPulses = (int)(timeSec * (2000.0f * targetFlow / pOut.FlowMeter.NominalFlow));
            int totalPulses = (int)(test.Volume / LtrPerRefPulse + 0.5f);

            processDataLoggingOp = new TBF.BenchControl.Operations.ProcessDataLoggingOp(processDataLogger, this, heatMetersTestParams != null);

            float[] wmBeginStates = new float[Config.Data.WMsCount];
            float[] wmEndStates = new float[Config.Data.WMsCount];

            int repetitionNr = outerLoopMode ? outerLoopCounter : 1;                 /// First test: repetitionNr=1				

            //====================================
            // Transition or SetRoute - Start
            //====================================
            switch (Transition(transitionBefore, TransitionContext.BeforeTest))
            {
                case Event.Error: { retVal = Event.Error; goto stopTest; }
                case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
            }

        //====================================
        loop:
            /// Start the test, initialize test results
            Bridge.OnTestSelected(this, new TestSelectedEventArgs(test, repetitionNr, inPath, benchPath, outPath, sensPath, totalPulses));
            string testName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);
            TestStartTime = DateTime.Now;
            TestProgressEventArgs.SetEstimatedTimes(new int[] { 1, 1, 1, 30, Convert.ToInt32(test.TstTime) + 15, 0, 0 });
            Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.JustStarted));


            Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
            int flowSetTime0 = StateMachine.Time;


            ///
            /// Optionally display prompt to emerge temperature meters to appropriate baths for heat meters test
            ///
            IOperation heatMetersPromptOp = null;
            if (heatMetersTestParams != null && !string.IsNullOrEmpty(heatMetersTestParams.Prompt))
            {
                heatMetersPromptOp = new Operations.MessageBoxOp(heatMetersTestParams.Prompt);
            }

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Starting_the_pump);
            //------------------------------------------------
            if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOn(test.PumpPower);

            State.Create("FixedStartMassCollection : Waiting before starting the pump")
                .AddOperation(checkUiOp)
                .AddOperation(new Operations.TimerOp(5))
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.TimerExpired));
            ///
            State.Create("FixedStartMassCollection : Starting the pump")
                .AddOperation(checkUiOp)
                .AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
                .AddOperation(new Operations.SetAllRegulValvesOp(inPath.RegulValves, inPath.RegulValvesPct, 60))
                .AddOperation(heatMetersPromptOp)
                .AddOperation(inPath.Pump != null ? cBrd.SetValvesOp(inPath.Pump, null) : null)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }

            }
            while (e.Contains(Event.ValvesBusy) || !e.Contains(Event.AllPositionsReached));


            if (!test.Emptying)		/// If condition met => skip measuring and force emptying
            {
                ///
                /// Measure the weight and skip emptying if there is enough room in the tank
                ///
                State.Create("FixedStartMassCollection : Measuring the mass of water in the tank")
                    .AddOperation(checkUiOp)
                    .AddOperation(outPath.Balance.ReadMassOp(ref Mass))
					.AddOperation(heatMetersPromptOp)
					.EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                    Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                    if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.BalanceDone));

                double estimatedEndMass = Mass.Val + test.Volume;
                if (estimatedEndMass < outPath.Balance.Capacity * Constants.TankFullFactor)
                {
                    goto set_flow;      /// Enough room in the tank -> skip emptying
                }
            }

            ///
            /// Empty the water tank
            ///
			switch (EmptyTheTank(outPath.EmptyTankValve, outPath.Balance, heatMetersPromptOp))
            {
                case Event.Error: { retVal = Event.Error; goto stopTest; }
                case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
            }

        set_flow:

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Setting_the_flow);
            //------------------------------------------------
            if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOn(test.PumpPower);
            State.Create("FixedStartMassCollection : Starting the pump")
                .AddOperation(checkUiOp)
                .AddOperation(cBrd.SetValvesOp(inPath.Pump, null))
				.AddOperation(heatMetersPromptOp)
				.EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.ValvesSet));

            //--------------------------------
            State.Create("FixedStartMassCollection : Setting the flow")
                .AddOperation(checkUiOp)
                .AddOperation(outPath.RegulValve.SetFlowOp(outPath.FlowMeter, test.Qfrom, test.Qto, outPath.PidCoef, RefFlow, 600))    /// timeout = 10 min.
				.AddOperation(heatMetersPromptOp)
				.EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

                if (e.Contains(Event.OpArgumentError)) { retVal = Event.OpArgumentError; goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                if (e.Contains(Event.RegulValveTimeOut))
                {
                    Bridge.OnError(this, Strings.Timeout);
                    retVal = Event.Done;
                    goto stopTest;
                }
                if (e.Contains(Event.Next)) goto flow_set;
            }
            while (!e.Contains(Event.FlowReached));

        flow_set:

            int flowSetTime = StateMachine.Time - flowSetTime0;

            if (heatMetersTestParams != null && heatMetersPath != null)
            {
                //---------------------------------------------------
                Bridge.OnActivity(this, Strings.Setting_temperature);
                //---------------------------------------------------

                int lastTimeSec = StateMachine.Time;
				double Tw_last = 0;
				double Tc_last = 0;

                State.Create("FixedStartMassCollection : Check temperature stabilized.")
                    .AddOperation(checkUiOp)
                    .AddOperation(heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
                    .AddOperation(heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
                    .AddOperation(heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
                    .AddOperation(heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
					.AddOperation(heatMetersPromptOp)
					.EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                    if (e.Contains(Event.Next)) goto temperature_set;

					if (TempRefHi1.Val != 0 && TempRefHi2.Val != 0 && TempRefLo1.Val != 0 && TempRefLo2.Val != 0)
					{
						if (StateMachine.Time - lastTimeSec > 10 || StateMachine.Time - lastTimeSec < 0)
						{
							double Tw = (TempRefHi1.Val + TempRefHi2.Val) / 2;
							double Tc = (TempRefLo1.Val + TempRefLo2.Val) / 2;
							if (heatMetersTestParams.TempWarmLo <= Tw && Tw <= heatMetersTestParams.TempWarmHi &&
								heatMetersTestParams.TempColdLo <= Tc && Tc <= heatMetersTestParams.TempColdHi &&
								Math.Abs(Tw - Tw_last) <= heatMetersTestParams.ChangeInTimeWarm &&
								Math.Abs(Tc - Tc_last) <= heatMetersTestParams.ChangeInTimeCold &&
								Math.Abs(TempRefHi1.Val - TempRefHi2.Val) <= heatMetersTestParams.DeltaTempWarm &&
								Math.Abs(TempRefLo1.Val - TempRefLo2.Val) <= heatMetersTestParams.DeltaTempCold)
							{
								goto temperature_set;
							}

							lastTimeSec = StateMachine.Time;
							Tw_last = Tw;
							Tc_last = Tc;
						}
					}
                }
                while (true);
            }

        temperature_set:

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Stopping_flow_for_the_fixed_start);
            //------------------------------------------------
            State.Create("FixedStartMassCollection : Closing the start/stop valve before the fixed start test")
                .AddOperation(checkUiOp)
                .AddOperation(StateMachine.ControlBoard.SetValvesOp(null, outPath.StartValve))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
				.AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (!e.Contains(Event.ValvesSet));


            int time = StateMachine.Time;
            double currentFlow = RefFlow.Val;


			///
			/// Prepare cameras, ROI-s and measurementOperations
			///

			/// Find ROI-s
			IList<GenericDevices.IRoi> rois = new List<GenericDevices.IRoi>();
			foreach (var rr in sensPath.RegisterReaders)
			{
				if (rr is GenericDevices.IRoi) rois.Add(rr as GenericDevices.IRoi);
			}

			/// Find cameras
			IList<GenericDevices.ICamera> cameras = new List<GenericDevices.ICamera>();
			foreach (var roi in rois)
			{
				if (roi.Camera != null && !cameras.Contains(roi.Camera))
				{
					roi.Camera.ClearRois();
					cameras.Add(roi.Camera);
				}
			}

			/// Register ROI-parameters to cameras
			foreach (var roi in rois) roi.RegisterRoiToCamera();

			/// Prepare measurementOperations
			IList<IOperation> measureOperations = new List<IOperation>();
			foreach (var camera in cameras) measureOperations.Add(camera.MeasurementOp());



            ///
            /// Enter watermeter begin states here
            ///
            GenericDevices.IHasWMStatesForm dataEntryCmpnt =
                TbfComponents.FindComponent(StateMachine.Procedure.DataEntry) as GenericDevices.IHasWMStatesForm;
            if (dataEntryCmpnt != null)
            {
                Bridge.OnActivity(this, Strings.Enter_water_meter_data);
                State.Create("FixedStartMassCollection : Enter begin-state")
                    .AddOperation((dataEntryCmpnt as GenericDevices.IHasWMStatesForm).ShowTestStartFormOp())
					.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
					.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
					.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
					.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
					.AddOperation(checkUiOp)
                    .EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ModelessFormClosed));

                if (heatMetersTestParams != null)
                {
                    for (int i = 0; i < Config.Data.HeatMetersCount; i++)
                    {
                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader volumeRegisterReader =
                            sensPath.RegisterReaders[2 * i] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader energyRegisterReader =
                            sensPath.RegisterReaders[2 * i + 1] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        if (volumeRegisterReader != null) volumeRegisterReader.BeginWMState = dataEntryCmpnt.WMStartState(i);
                        if (energyRegisterReader != null && dataEntryCmpnt is GenericDevices.IHasHeatMtrStatesForm)
                        {
                            energyRegisterReader.BeginWMState = (float)(dataEntryCmpnt as GenericDevices.IHasHeatMtrStatesForm).EnergyStartState(i);
                        }
                    }
                }
                else
                {
                    for (int i = 0; i < Config.Data.WMsCount; i++)
                    {
                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader registerReader =
                            sensPath.RegisterReaders[i] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        if (registerReader != null) registerReader.BeginWMState = dataEntryCmpnt.WMStartState(i);
                    }
                }
            }


            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
            State.Create("FixedStartMassCollection : Measuring the start mass")
                .AddOperation(checkUiOp)
				.AddOperations(measureOperations)
				.AddOperation(benchPath.TempMtrUp     == null ? null : benchPath.TempMtrUp.ReadTempOp(ref TempUp))
				.AddOperation(benchPath.TempMtrDown   == null ? null : benchPath.TempMtrDown.ReadTempOp(ref TempDown))
				.AddOperation(outPath.TempDiv         == null ? null : outPath.TempDiv.ReadTempOp(ref TempDiv))
				.AddOperation(benchPath.PressMtrUp    == null ? null : benchPath.PressMtrUp.ReadPressureOp(ref PressUp))
				.AddOperation(benchPath.PressMtrDown  == null ? null : benchPath.PressMtrDown.ReadPressureOp(ref PressDown))
				.AddOperation(benchPath.PressMtrDelta == null ? null : benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
                .AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
                .AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
                .AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
                .AddOperation((StateMachine.Ambient != null)
                                ? StateMachine.Ambient.ReadAmbientOp(AmbTemp, AmbPress, AmbHumi) : null)
                .AddOperation(outPath.Balance.ReadStableMassOp(ref StartMass, test.MassRepeats, test.MassSpread, test.MassMethod))
                .AddOperation(cBrd.UpdateTankWeightOp())
                .AddOperation(processDataLoggingOp)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.BalanceDone));

            Mass.Val = StartMass.Val;

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_in_progress);
            //------------------------------------------------
            State.Create("FixedStartMassCollection : Starting the test")
                .AddOperation(checkUiOp)
                .AddOperations(measureOperations)
				.AddOperation(benchPath.TempMtrUp     == null ? null : benchPath.TempMtrUp.ReadTempOp(ref TempUp))
				.AddOperation(benchPath.TempMtrDown   == null ? null : benchPath.TempMtrDown.ReadTempOp(ref TempDown))
				.AddOperation(outPath.TempDiv         == null ? null : outPath.TempDiv.ReadTempOp(ref TempDiv))
				.AddOperation(benchPath.PressMtrUp    == null ? null : benchPath.PressMtrUp.ReadPressureOp(ref PressUp))
				.AddOperation(benchPath.PressMtrDown  == null ? null : benchPath.PressMtrDown.ReadPressureOp(ref PressDown))
				.AddOperation(benchPath.PressMtrDelta == null ? null : benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
				.AddOperation(cBrd.StartMeasurementOp(outPath, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro,
                                                      test.Qfrom, test.Qto, 2 * totalPulses, (float)test.TolerRed))
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.MeasurementStarted));


            State.Create("FixedStartMassCollection : Opening the start/stop valve at the beginning of the fixed start test")
                .AddOperation(checkUiOp)
				.AddOperation(benchPath.TempMtrUp     == null ? null : benchPath.TempMtrUp.ReadTempOp(ref TempUp))
				.AddOperation(benchPath.TempMtrDown   == null ? null : benchPath.TempMtrDown.ReadTempOp(ref TempDown))
				.AddOperation(outPath.TempDiv         == null ? null : outPath.TempDiv.ReadTempOp(ref TempDiv))
				.AddOperation(benchPath.PressMtrUp    == null ? null : benchPath.PressMtrUp.ReadPressureOp(ref PressUp))
				.AddOperation(benchPath.PressMtrDown  == null ? null : benchPath.PressMtrDown.ReadPressureOp(ref PressDown))
				.AddOperation(benchPath.PressMtrDelta == null ? null : benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
				.AddOperation(StateMachine.ControlBoard.SetValvesOp(outPath.StartValve, null))
                .AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (!e.Contains(Event.ValvesSet));


            /// Measurement loop - preparation
            readRegistersOp = new Operations.ReadMoreRegistersOp(sensPath.RegisterReaders);
            queryEnd1 = cBrd.QueryMeasurementEndOp();
            queryEnd2 = cBrd.QueryMeasurementEndOp();

            ClearAllStatistics();
            int estimtdEndTime = StateMachine.Time + (int)test.TstTime;

            /// Measurement loop - begin
            do
            {
                //--------------------------------
                switch (ReadRegistersTempPressAmbient(measureOperations, true))
                {
                    case Event.Error:
                        retVal = Event.Error;
                        goto stopTest;

                    case Event.UiCmdStop:
                        retVal = Event.UiCmdStop;
                        goto stopTest;

                    case Event.MeasurementCompleted:
                        goto test_completed;
                }

                int remainingTime = Math.Max(estimtdEndTime - StateMachine.Time, 0);
                if (remainingTime > 60)
                {
                    Bridge.OnActivity(this, string.Format("{0} ... {1} {2} {3} {4}", Strings.Test_in_progress, remainingTime / 60, "min", remainingTime % 60, Strings.sec));
                }
                else
                {
                    Bridge.OnActivity(this, string.Format("{0} ... {1} s", Strings.Test_in_progress, remainingTime));
                }

                RefFreq.Val = cBrd.ReferenceFreq;
                RefFlow.Val = cBrd.ReferenceFlow;

                UpdateAllStatistics();

                if (heatMetersTestParams != null)
                {
                    if (lastEnergyUpdateTime == 0)
                    {
                        lastEnergyUpdateTime = StateMachine.Time;
                    }
                    else
                    {
                        //double deltaTime = (double)(StateMachine.Time - lastEnergyUpdateTime);
						double T_in = (TempRefHi1.Val + TempRefHi2.Val) / 2;	/// [°C]
						double T_out = (TempRefLo1.Val + TempRefLo2.Val) / 2;	/// [°C]
                        double deltaVolume = LtrPerRefPulse * RefPulsesDelta;	                                                                                                    /// [l]
                        double deltaEnergy = (0.001 * deltaVolume) * (T_in - T_out) * Formulas.HeatCoefficientWater(16, T_in, T_out, heatMetersTestParams.FlowMeasuredAtHiTempPipe);  /// [J] = [m3] * [K] * [J/(m3 K)]
                        Energy.Update(deltaEnergy);
                        VolumeForEnergy.Update(deltaVolume);
                        lastEnergyUpdateTime = StateMachine.Time;
                    }
                }

                if (compound)
                {
                    /// TODO: Reimplement for combined meters
                    //for (int i = 0; i < Config.Data.CompoundWMsCount; i++)
                    //{
                    //    data.TestResult.CombinedMeters[i].VolumeMeter = data.TestResult.Meters[2 * i].VolumeMeter
                    //                                                  + data.TestResult.Meters[2 * i + 1].VolumeMeter;
                    //    if (data.Volume.Valid)
                    //    {
                    //        data.TestResult.CombinedMeters[i].VolumeErrorPct =
                    //            Formulas.ErrorFromVolumes(data.TestResult.CombinedMeters[i].VolumeMeter, data.Volume.Val);
                    //    }
                    //}
                }

                Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
                Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
            }
            while (cBrd.EtPulses(0) < totalPulses);
        /// Measurement loop - end

        test_completed:

            State.Create("FixedStartMassCollection : Closing the start/stop valve at the end of the fixed start test")
                .AddOperation(checkUiOp)
				.AddOperation(benchPath.TempMtrUp     == null ? null : benchPath.TempMtrUp.ReadTempOp(ref TempUp))
				.AddOperation(benchPath.TempMtrDown   == null ? null : benchPath.TempMtrDown.ReadTempOp(ref TempDown))
				.AddOperation(outPath.TempDiv         == null ? null : outPath.TempDiv.ReadTempOp(ref TempDiv))
				.AddOperation(benchPath.PressMtrUp    == null ? null : benchPath.PressMtrUp.ReadPressureOp(ref PressUp))
				.AddOperation(benchPath.PressMtrDown  == null ? null : benchPath.PressMtrDown.ReadPressureOp(ref PressDown))
				.AddOperation(benchPath.PressMtrDelta == null ? null : benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
				.AddOperation(StateMachine.ControlBoard.SetValvesOp(null, outPath.StartValve))
                .AddOperation(StateMachine.ControlBoard.UpdateTankWeightOp())
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
            }
            while (e.Contains(Event.ValvesBusy));


            State.Create("FixedStartMassCollection : Waiting before 2nd mass measurement")
                .AddOperation(checkUiOp)
				.AddOperation(benchPath.TempMtrUp     == null ? null : benchPath.TempMtrUp.ReadTempOp(ref TempUp))
				.AddOperation(benchPath.TempMtrDown   == null ? null : benchPath.TempMtrDown.ReadTempOp(ref TempDown))
				.AddOperation(outPath.TempDiv         == null ? null : outPath.TempDiv.ReadTempOp(ref TempDiv))
				.AddOperation(benchPath.PressMtrUp    == null ? null : benchPath.PressMtrUp.ReadPressureOp(ref PressUp))
				.AddOperation(benchPath.PressMtrDown  == null ? null : benchPath.PressMtrDown.ReadPressureOp(ref PressDown))
				.AddOperation(benchPath.PressMtrDelta == null ? null : benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
				.AddOperation((StateMachine.Ambient != null)
                                ? StateMachine.Ambient.ReadAmbientOp(AmbTemp, AmbPress, AmbHumi) : null)
                .AddOperation(outPath.Balance.ReadMassOp(ref Mass))
                .AddOperation(cBrd.UpdateTankWeightOp())
                .AddOperation(processDataLoggingOp)
                .AddOperation(new Operations.TimerOp(test.TimeStop2Mass))
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.TimerExpired));


            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Measuring_the_weight);
            //------------------------------------------------
            State.Create("FixedStartMassCollection : Measuring the end mass")
                .AddOperation(checkUiOp)
				.AddOperation(benchPath.TempMtrUp     == null ? null : benchPath.TempMtrUp.ReadTempOp(ref TempUp))
				.AddOperation(benchPath.TempMtrDown   == null ? null : benchPath.TempMtrDown.ReadTempOp(ref TempDown))
				.AddOperation(outPath.TempDiv         == null ? null : outPath.TempDiv.ReadTempOp(ref TempDiv))
				.AddOperation(benchPath.PressMtrUp    == null ? null : benchPath.PressMtrUp.ReadPressureOp(ref PressUp))
				.AddOperation(benchPath.PressMtrDown  == null ? null : benchPath.PressMtrDown.ReadPressureOp(ref PressDown))
				.AddOperation(benchPath.PressMtrDelta == null ? null : benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1))
				.AddOperation(heatMetersPath == null ? null : heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2))
				.AddOperation((StateMachine.Ambient != null)
                                ? StateMachine.Ambient.ReadAmbientOp(AmbTemp, AmbPress, AmbHumi) : null)
                .AddOperation(outPath.Balance.ReadStableMassOp(ref EndMass, test.MassRepeats, test.MassSpread, test.MassMethod))
                .AddOperation(cBrd.UpdateTankWeightOp())
                .AddOperation(processDataLoggingOp)
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.Error)) { retVal = Event.Error; goto stopTest; }
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.BalanceDone));
            ///
            TestEndTime = DateTime.Now;


            State.Create("FixedStartMassCollection : Stopping diverter, gate, etc.")
                .AddOperation(checkUiOp)
                .AddOperation(cBrd.StopPreviousOp())
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.PreviousStopped));


            double massStart = Formulas.CorrectedValue(StartMass.Val, outPath.Balance.Corrections);
            double massEnd = Formulas.CorrectedValue(EndMass.Val, outPath.Balance.Corrections);
            double densityOut = Formulas.WaterDensityFromTemp(TempDownStat.Average);			/// [kg/m3]
            double volumeCTV = 1001.03 * (massEnd - massStart) / densityOut;
            double refEnergy = Energy.Sum * volumeCTV / VolumeForEnergy.Sum;                /// [J]=[J]*[l]/[l]

            ///
            /// Enter watermeter end states here
            ///
            if (dataEntryCmpnt != null)
            {
                Bridge.OnActivity(this, Strings.Enter_water_meter_data);
                State state = State.Create("FixedStartMassCollection : Enter end-state");
                if (heatMetersTestParams != null && dataEntryCmpnt is GenericDevices.IHasHeatMtrStatesForm)
                {
                    state.AddOperation((dataEntryCmpnt as GenericDevices.IHasHeatMtrStatesForm).
                        ShowTestEndFormOp(volumeCTV, test.ErrLimLo + test.Uncertainty, test.ErrLimHi - test.Uncertainty,
                                          refEnergy, test.ErrLimLo + test.Uncertainty, test.ErrLimHi - test.Uncertainty));
                }
                else
                {
                    state.AddOperation(dataEntryCmpnt.ShowTestEndFormOp(volumeCTV, test.ErrLimLo + test.Uncertainty,
                                                                                   test.ErrLimHi - test.Uncertainty));
                }
                state.AddOperation(checkUiOp);
                state.EnterState();
                do
                {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ModelessFormClosed));


                if (heatMetersTestParams != null)
                {
                    for (int i = 0; i < Config.Data.HeatMetersCount; i++)
                    {
                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader volumeRegisterReader =
                            sensPath.RegisterReaders[2 * i] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader energyRegisterReader =
                            sensPath.RegisterReaders[2 * i + 1] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        if (volumeRegisterReader != null) volumeRegisterReader.EndWMState = dataEntryCmpnt.WMEndState(i);
                        if (energyRegisterReader != null && dataEntryCmpnt is GenericDevices.IHasHeatMtrStatesForm)
                        {
                            energyRegisterReader.EndWMState = (float)(dataEntryCmpnt as GenericDevices.IHasHeatMtrStatesForm).EnergyEndState(i);
                        }
                    }
                }
                else
                {
                    for (int i = 0; i < Config.Data.WMsCount; i++)
                    {
                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader registerReader =
                            sensPath.RegisterReaders[i] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        if (registerReader != null) registerReader.EndWMState = dataEntryCmpnt.WMEndState(i);
                    }
                }
            }


            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Test_completed);
            //------------------------------------------------

            /// Make sure the CycleBeginForm is closed so that water meter data (s/n) can be copied into results
            if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stopTest;

            ///
            /// Populate TestResult data entity with data
            /// 
            Results.Entities.TestRslt tstRslt = BatchRslts.GetTestRslt(testName, test.Part);

            if (tstRslt != null)
            {
                /// Auxiliary results
				tstRslt.AmbTempMean = (float)AmbTempStat.Average;
				tstRslt.AmbTempStart = (float)AmbTempStat.First;
				tstRslt.AmbTempEnd = (float)AmbTempStat.Last;
				tstRslt.AmbTempMin = (float)AmbTempStat.Min;
				tstRslt.AmbTempMax = (float)AmbTempStat.Max;
				tstRslt.AmbPressMean = (float)AmbPressStat.Average;
				tstRslt.AmbPressStart = (float)AmbPressStat.First;
				tstRslt.AmbPressEnd = (float)AmbPressStat.Last;
				tstRslt.AmbPressMin = (float)AmbPressStat.Min;
				tstRslt.AmbPressMax = (float)AmbPressStat.Max;
				tstRslt.AmbHumiMean = (float)AmbHumiStat.Average;
				tstRslt.AmbHumiStart = (float)AmbHumiStat.First;
				tstRslt.AmbHumiEnd = (float)AmbHumiStat.Last;
				tstRslt.AmbHumiMin = (float)AmbHumiStat.Min;
				tstRslt.AmbHumiMax = (float)AmbHumiStat.Max;
				tstRslt.PressUpMean = (float)PressUpStat.Average;
				tstRslt.PressUpStart = (float)PressUpStat.First;
				tstRslt.PressUpEnd = (float)PressUpStat.Last;
				tstRslt.PressUpMin = (float)PressUpStat.Min;
				tstRslt.PressUpMax = (float)PressUpStat.Max;
				tstRslt.PressDownMean = (float)PressDownStat.Average;
				tstRslt.PressDownStart = (float)PressDownStat.First;
				tstRslt.PressDownEnd = (float)PressDownStat.Last;
				tstRslt.PressDownMin = (float)PressDownStat.Min;
				tstRslt.PressDownMax = (float)PressDownStat.Max;
				tstRslt.PressDeltaMean = (float)PressDeltaStat.Average;
				tstRslt.PressDeltaStart = (float)PressDeltaStat.First;
				tstRslt.PressDeltaEnd = (float)PressDeltaStat.Last;
				tstRslt.PressDeltaMin = (float)PressDeltaStat.Min;
				tstRslt.PressDeltaMax = (float)PressDeltaStat.Max;
				tstRslt.TempUpMean = (float)TempUpStat.Average;
                tstRslt.TempUpStart = (float)TempUpStat.First;
                tstRslt.TempUpEnd = (float)TempUpStat.Last;
                tstRslt.TempUpMin = (float)TempUpStat.Min;
                tstRslt.TempUpMax = (float)TempUpStat.Max;
                tstRslt.TempDownMean = (float)TempDownStat.Average;
                tstRslt.TempDownStart = (float)TempDownStat.First;
                tstRslt.TempDownEnd = (float)TempDownStat.Last;
                tstRslt.TempDownMin = (float)TempDownStat.Min;
                tstRslt.TempDownMax = (float)TempDownStat.Max;
                tstRslt.TempDivMean = (float)TempDivStat.Average;
                tstRslt.TempDivStart = (float)TempDivStat.First;
                tstRslt.TempDivEnd = (float)TempDivStat.Last;
                tstRslt.TempDivMin = (float)TempDivStat.Min;
                tstRslt.TempDivMax = (float)TempDivStat.Max;
                tstRslt.DensityIn = Formulas.WaterDensityFromTemp(tstRslt.TempUpMean);		/// [kg/m3]
                tstRslt.DensityOut = Formulas.WaterDensityFromTemp(tstRslt.TempDownMean);	/// [kg/m3]
                tstRslt.DensityDiv = Formulas.WaterDensityFromTemp(tstRslt.TempDivMean);	/// [kg/m3]

                /// Main results
                tstRslt.StartTime = TestStartTime;
                tstRslt.EndTime = TestEndTime;
                tstRslt.FlowSetTime = flowSetTime;
                tstRslt.TestTime = cBrd.TTime;							/// [s] measurement time
                tstRslt.PulsesMaster = Convert.ToDouble(cBrd.EtPulses(0));	/// Pulses of the master flow meter (test total)
                tstRslt.MassStartRaw = StartMass.Val;
                tstRslt.MassStart = massStart;
                tstRslt.MassEndRaw = EndMass.Val;
                tstRslt.MassEnd = massEnd;
                tstRslt.FlowMass = 3600.0 * (tstRslt.MassEnd - tstRslt.MassStart) / tstRslt.TestTime;	/// [kg/h]
                tstRslt.FlowVolume = 3.6 * LtrPerRefPulse * tstRslt.PulsesMaster / tstRslt.TestTime;		/// [m3/h]
                tstRslt.VolumeMaster = LtrPerRefPulse * tstRslt.PulsesMaster;								/// [l] volume from the master flow meter
                tstRslt.VolumeCTV = volumeCTV;															/// [l] 1000.0f is because density is in [kg/m3]
                tstRslt.ConstMaster = LtrPerRefPulse * tstRslt.VolumeCTV / tstRslt.VolumeMaster;			/// Corrected master pulses per liter
                tstRslt.ErrorMaster = Formulas.ErrorFromVolumes(tstRslt.VolumeMaster, tstRslt.VolumeCTV);

				tstRslt.FlowMin = (float)((tstRslt.VolumeMaster != 0) ? (RefFlowStat.Min * tstRslt.VolumeCTV / tstRslt.VolumeMaster) : RefFlowStat.Min);
				tstRslt.FlowMax = (float)((tstRslt.VolumeMaster != 0) ? (RefFlowStat.Max * tstRslt.VolumeCTV / tstRslt.VolumeMaster) : RefFlowStat.Max);

                if (compound)
                {
                    ///
                    /// Compound meters
                    ///
                    for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                    {
                        if (test.Part != 0 && test.Part != Utils.PartNr(i + 1, BatchRslts.Batch.Compound)) continue;

                        Results.Entities.MeterTestRslt mainMeterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.CompoundMain);
                        Results.Entities.MeterTestRslt auxMeterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.CompoundAux);

                        for (int isAux = 0; isAux <= 1; isAux++)		/// 0=main, 1=aux
                        {
                            Results.Entities.MeterTestRslt meterRslt = (isAux == 0) ? mainMeterRslt : auxMeterRslt;
                            BenchControl.Elde.FixedStartRegisterReader.RegisterReader regReader =
                                sensPath.RegisterReaders[2 * i + isAux] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                            if (meterRslt != null && regReader != null)
                            {
                                meterRslt.PulsesPerLiter = 1.0f;
                                meterRslt.VolumeStart = regReader.BeginWMState;						    /// [l]
                                meterRslt.VolumeEnd = regReader.EndWMState;							    /// [l]
                                meterRslt.VolumeMeter = meterRslt.VolumeEnd - meterRslt.VolumeStart;	/// [l]
                                meterRslt.VolumeRef = tstRslt.VolumeCTV;								/// [l]
                                meterRslt.PulsesMeter = meterRslt.VolumeMeter;
                                meterRslt.PulsesMaster = tstRslt.PulsesMaster;
                                meterRslt.TestTime = tstRslt.TestTime;
                                meterRslt.Error = Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, meterRslt.VolumeRef);	/// Not used for evaluation
                            }
                        }

                        Results.Entities.MeterTestRslt compoundMeterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.Compound);

                        if (compoundMeterRslt != null && mainMeterRslt != null && auxMeterRslt != null)
                        {
                            compoundMeterRslt.VolumeRef = tstRslt.VolumeCTV;		/// [l] must be calculated before main & aux. meter error
                            compoundMeterRslt.VolumeMeter = mainMeterRslt.VolumeMeter + auxMeterRslt.VolumeMeter;
                            compoundMeterRslt.PulsesMaster = tstRslt.PulsesMaster;
                            compoundMeterRslt.TestTime = tstRslt.TestTime;
                            compoundMeterRslt.Error = Formulas.ErrorFromVolumes(compoundMeterRslt.VolumeMeter, compoundMeterRslt.VolumeRef);
                            compoundMeterRslt.Passed = (compoundMeterRslt.Error >= test.ErrLimLo + test.Uncertainty)
                                                    && (compoundMeterRslt.Error <= test.ErrLimHi - test.Uncertainty);
                            mainMeterRslt.Passed = auxMeterRslt.Passed = compoundMeterRslt.Passed;
                            mainMeterRslt.TestDone = auxMeterRslt.TestDone = compoundMeterRslt.TestDone = true;
                        }
                    }
                }
                else if (heatMetersTestParams != null)
                {
                    ///
                    /// Heat meters
                    ///
                    tstRslt.RefEnergy = Energy.Sum * tstRslt.VolumeCTV / VolumeForEnergy.Sum;   /// [J] = [J] * [l] / [l]

					tstRslt.Custom1  = (float)TempRefHiStat.Average;
					tstRslt.Custom2  = (float)TempRefHiStat.First;
					tstRslt.Custom3  = (float)TempRefHiStat.Last;
					tstRslt.Custom4  = (float)TempRefHiStat.Min;
					tstRslt.Custom5  = (float)TempRefHiStat.Max;
					tstRslt.Custom6  = (float)TempRefLoStat.Average;
					tstRslt.Custom7  = (float)TempRefLoStat.First;
					tstRslt.Custom8  = (float)TempRefLoStat.Last;
					tstRslt.Custom9  = (float)TempRefLoStat.Min;
					tstRslt.Custom10 = (float)TempRefLoStat.Max;																								

                    for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                    {
                        if (test.Part != 0 && test.Part != Utils.PartNr(i + 1, BatchRslts.Batch.Compound)) continue;

                        Results.Entities.MeterTestRslt volumeRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.HeatMeterVolume);
						Results.Entities.MeterTestRslt energyRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.HeatMeterEnergy);

                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader volumeRegReader =
                            (sensPath.RegisterReaders.Length > 2 * i) ? sensPath.RegisterReaders[2 * i] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader : null;

                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader energyRegReader =
                            (sensPath.RegisterReaders.Length > 2 * i + 1) ? sensPath.RegisterReaders[2 * i + 1] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader : null;

                        if (volumeRslt != null && volumeRegReader != null)
                        {
							volumeRslt.PulsesPerLiter = 1.0f;
							volumeRslt.VolumeStart = volumeRegReader.BeginWMState;
							volumeRslt.VolumeEnd = volumeRegReader.EndWMState;
							volumeRslt.VolumeMeter = volumeRslt.VolumeEnd - volumeRslt.VolumeStart;
							volumeRslt.VolumeRef = tstRslt.VolumeCTV;
							volumeRslt.PulsesMeter = volumeRslt.VolumeMeter;
							volumeRslt.PulsesMaster = tstRslt.PulsesMaster;		/// <----------------- ???
							volumeRslt.TestTime = tstRslt.TestTime;

							volumeRslt.Error = Formulas.ErrorFromVolumes(volumeRslt.VolumeMeter, volumeRslt.VolumeRef);
							volumeRslt.Passed = !heatMetersTestParams.EvaluateVolume ||
												((volumeRslt.Error >= test.ErrLimLo + test.Uncertainty) &&
												 (volumeRslt.Error <= test.ErrLimHi - test.Uncertainty));
							volumeRslt.TestDone = true;
						}

                        if (energyRslt != null && energyRegReader != null && dataEntryCmpnt is GenericDevices.IHasHeatMtrStatesForm)
						{
							volumeRslt.PulsesPerLiter = 1.0f;
							energyRslt.VolumeStart = (dataEntryCmpnt as GenericDevices.IHasHeatMtrStatesForm).EnergyStartState(i);
							energyRslt.VolumeEnd = (dataEntryCmpnt as GenericDevices.IHasHeatMtrStatesForm).EnergyEndState(i);
							energyRslt.VolumeMeter = energyRslt.VolumeEnd - energyRslt.VolumeStart;
							energyRslt.VolumeRef = tstRslt.RefEnergy;
							energyRslt.PulsesMeter = energyRslt.VolumeMeter;
                            energyRslt.PulsesMaster = tstRslt.PulsesMaster;		/// <----------------- ???

							energyRslt.Error = Formulas.ErrorFromVolumes(energyRslt.VolumeMeter, energyRslt.VolumeRef);
							energyRslt.Passed = (energyRslt.Error >= heatMetersTestParams.ErrorLimitLo)
											 && (energyRslt.Error <= heatMetersTestParams.ErrorLimitHi);
							energyRslt.TestDone = true;
                        }
                    }
                }
                else
                {
                    ///
                    /// Single meters
                    ///
                    for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                    {
                        if (test.Part != 0 && test.Part != Utils.PartNr(i + 1, BatchRslts.Batch.Compound)) continue;

                        Results.Entities.MeterTestRslt meterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.Single);
                        BenchControl.Elde.FixedStartRegisterReader.RegisterReader regReader =
                            sensPath.RegisterReaders[i] as BenchControl.Elde.FixedStartRegisterReader.RegisterReader;

                        if (meterRslt != null && regReader != null)
                        {
                            meterRslt.PulsesPerLiter = 1.0f;
                            meterRslt.VolumeStart = regReader.BeginWMState;
                            meterRslt.VolumeEnd = regReader.EndWMState;
                            meterRslt.VolumeMeter = meterRslt.VolumeEnd - meterRslt.VolumeStart;
                            meterRslt.VolumeRef = tstRslt.VolumeCTV;      /// liter
                            meterRslt.PulsesMeter = meterRslt.VolumeMeter;
                            meterRslt.PulsesMaster = tstRslt.PulsesMaster;
                            meterRslt.TestTime = tstRslt.TestTime;
                            meterRslt.Error = Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, meterRslt.VolumeRef);
                            meterRslt.Passed = (meterRslt.Error >= test.ErrLimLo + test.Uncertainty)
                                            && (meterRslt.Error <= test.ErrLimHi - test.Uncertainty);
                            meterRslt.TestDone = true;
                        }
                    }
                }

                tstRslt.Components = Results.Entities.Components
                    .UpdateList(BatchRslts.ComponentsList,
                                new Results.Entities.Components((BenchInfo != null) ? BenchInfo.TestBenchId : 1,
                                                                (BenchInfo != null) ? BenchInfo.TestBenchName : "testbench",
                                                                inPath.Pump != null ? inPath.Pump.Name : string.Empty,
                                                                outPath.FlowMeter != null ? outPath.FlowMeter.Name : string.Empty,
                                                                outPath.Balance != null ? outPath.Balance.Name : string.Empty,
                                                                outPath.RegulValve != null ? outPath.RegulValve.Name : string.Empty,
                                                                outPath.Diverter != null ? outPath.Diverter.Name : string.Empty));

                /// Update results
                Bridge.OnTestCompleted(this, new TestCompletedEventArgs(testName, tstRslt));
            }

            Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.TransitionAfter));

            /// Append the results to the CSV-file
            allResults.Info(TestResult2CsvLine(testName, test.Part));

            if (!outerLoopMode && (++repetitionNr <= test.Repeats))
            {
                goto loop;
            }


        stopTest:

            ///----------------------///
            ///  Quit this sequence  ///
            ///----------------------///

            State.Create("FixedStartMassCollection : Stopping diverter, gate, etc.")
                .AddOperation(checkUiOp)
                .AddOperation(cBrd.StopPreviousOp())
                .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
            }
            while (!e.Contains(Event.PreviousStopped));

            /// Transition sequence at the end of test
            /// Prevent overwriting 'retVal' in case it was set to non-default value earlier
            switch (Transition(transitionAfter, (retVal == Event.Done) ? TransitionContext.AfterTest : TransitionContext.Stop))
            {
                case Event.Error: { if (retVal == Event.Done) retVal = Event.Error; break; }
                case Event.UiCmdStop: { if (retVal == Event.Done) retVal = Event.UiCmdStop; break; }
            }

            Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Completed));

            /// Create a list with one item 'retVal' (default is Event.Done) and return it
            IList<Event> retList = new List<Event>(1);
            retList.Add(retVal);
            return retList;
        }
    }
}