///
/// Copyright (c) 2018-2021 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using log4net;
using Config;
using TBF.Resources;
using TBF.UiBridge;
using TBF.Rig.GenericDevices;

namespace TBF.Rig.TestMethods.FlyingStartMassCollProlonged
{
	public class FlyingStartMassCollProlongedSeq : Sequences.SequenceBase
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(FlyingStartMassCollProlongedSeq));

        /// <summary>
        /// Check capabilities of devces in the output path required for this test method
        /// </summary>
        /// <param name="devices">Devices</param>
        /// <returns>true when capabilities of devices are OK</returns>
        public static bool CheckDeviceCaps(Config.Entities.Test test, OutputPath devices, out string message)
        {
            if (!(StateMachine.ControlBoard is ControlBoard.Uni.UniCB))
            {
                /// Control board does not support this method
                message = string.Format("{0}: {1}", test.Name, Strings.Test_bench_does_not_suport_selected_test_method);
                return false;
            }

            if (!(devices.Scale is IScale))
            {
                /// Scale is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_scale);
                return false;
            }

            if (!(devices.Diverter is IDiverter))
            {
                /// Scale is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_diverter);
                return false;
            }

            if (!(devices.FlowMeter is IFlowMeter))
            {
                /// Flow meter is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_flow_meter);
                return false;
            }

            if (!(devices.RegValve is GenericDevices.IRegValve))
            {
                /// Regulation valve is missing
                message = string.Format("{0}: {1}", test.Name, Strings.Missing_a_regulation_valve);
                return false;
            }

            message = string.Empty;
            return true;
        }

		/// <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, int repetitionNr, bool isLastRepetition,
                                    Single.TestParams singleTestParams,
                                    Compound.TestParams compoundTestParams,
									HeatMeters.TestParams heatMetersTestParams,
                                    Config.Entities.DebugMode debugLevel)
		{
			if (debugLevel == Config.Entities.DebugMode.Simulate)
			{
				return Simulate(test, repetitionNr, isLastRepetition, singleTestParams, compoundTestParams, heatMetersTestParams);
			}

            ControlBoard.Uni.UniCB cBrd = StateMachine.ControlBoard as ControlBoard.Uni.UniCB;
			IScale scale = outPath.Scale as IScale;

			int rangeIx = 0;                   /// Default range, used for non-Elde flowmeters
            if (outPath.FlowMeter is Uni.FlowMeter.FlowMeter)
            {
                Uni.FlowMeter.FlowMeter eldeFM = outPath.FlowMeter as Uni.FlowMeter.FlowMeter;
                rangeIx = -1;                   /// Indicates invalid range
				for (int r = 0; r <= 5; r++)
				{
					if (eldeFM.RangeEnabled(r) && eldeFM.GetTempLo(r) <= test.TempLimLo
											   && eldeFM.GetTempHi(r) >= test.TempLimHi)
					{
						rangeIx = r;
					}
				}

				if (rangeIx == -1)
				{
					Bridge.OnError(this, Strings.Flow_meter_temperature_range_does_not_fit_this_test_conditions);
                    new List<Event> { Event.ConfigurationError };
                }
			}

			float volumeToTank = (singleTestParams != null) ? singleTestParams.VolumeToTank
															: ((compoundTestParams != null) ? compoundTestParams.VolumeToTank																							: heatMetersTestParams.VolumeToTank);
			if (volumeToTank > scale.Capacity * Constants.TankFullFactor)
			{
				Bridge.OnError(this, Strings.Volume_to_tank_exceeds_the_scale_capacity);
                new List<Event> { Event.ConfigurationError };
			}
			if (volumeToTank > test.Volume)
			{
				Bridge.OnError(this, Strings.Volume_to_tank_is_larger_then_the_test_volume);
                new List<Event> { Event.ConfigurationError };
			}


            IList<Event> e = new List<Event>();             /// Events from currently running operations
            int tMass1 = 0;
            int tMass2 = 0;
            checkUiOp = new Operations.CheckUIOp(true);     /// Runs in more then one state
			processDataLoggingOp = new TBF.Rig.Operations.ProcessDataLoggingOp(processDataLogger, this, heatMetersTestParams != null);

            if (cBrd is ControlBoard.Uni.UniCB)
            {
                int[] filters = new int[] { 0, 0, 0, 0, 0, 0, 0, 0 };
                if (sensPath != null && sensPath.RegisterReaders != null)
                {
                    foreach (var rr in sensPath.RegisterReaders)
                    {
                        IRegReaderPulses rrPls = rr as IRegReaderPulses;
                        if (rrPls != null && rrPls.Position >= 1 && rrPls.Position <= 8)
                        {
                            filters[rrPls.Position - 1] = rrPls.Filter;
                        }
                    }
                }
                (cBrd as ControlBoard.Uni.UniCB).SetFiltersPidShortPulses(filters, outPath.PidCoef, test.ShortPulses);
            }

            IList<IOperation> readTempPressOps = new List<IOperation>();
            if (benchPath.TempMtrUp != null) readTempPressOps.Add(benchPath.TempMtrUp.ReadTempOp(ref TempUp));
            if (benchPath.TempMtrDown != null) readTempPressOps.Add(benchPath.TempMtrDown.ReadTempOp(ref TempDown));
            if (outPath.TempMtrDiv != null) readTempPressOps.Add(outPath.TempMtrDiv.ReadTempOp(ref TempDiv));
            if (benchPath.PressMtrUp != null) readTempPressOps.Add(benchPath.PressMtrUp.ReadPressureOp(ref PressUp));
            if (benchPath.PressMtrDown != null) readTempPressOps.Add(benchPath.PressMtrDown.ReadPressureOp(ref PressDown));
            if (benchPath.PressMtrDelta != null) readTempPressOps.Add(benchPath.PressMtrDelta.ReadPressureOp(ref PressDelta));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefWarm1.ReadTempOp(ref TempRefHi1));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefWarm2.ReadTempOp(ref TempRefHi2));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefCold1.ReadTempOp(ref TempRefLo1));
            if (heatMetersPath != null) readTempPressOps.Add(heatMetersPath.TMeterRefCold2.ReadTempOp(ref TempRefLo2));

			Event retVal = Event.Done;

            LtrPerRefPulse = outPath.FlowMeter.LtrPerPulse;
			int targetTotalPulses = (int)(test.Volume / LtrPerRefPulse + 0.5f);
            int targetMassPulses = (int)(volumeToTank / LtrPerRefPulse + 0.5f);

            ///============================================================================================

            /// Read pressure and temperature once before calling Bridge.OnTestSelected(...)
            State.Create(string.Format("{0}({1}) : Measuring process data", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .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.Busy));

            /// Start the test, initialize test results
			Bridge.OnTestSelected(this, new TestSelectedEventArgs(test, repetitionNr, inPath, benchPath, outPath, sensPath, heatMetersPath));
			string testName = Results.Utils.GetTestName(test.Name, test.Repeats, repetitionNr);
			TestStartTime = DateTime.Now;

            foreach (var rr in sensPath.RegisterReaders)
            {
                GenericDevices.IHasTestName readerWithTstName = rr as GenericDevices.IHasTestName;
                if (readerWithTstName != null)
                {
                    readerWithTstName.TestName = test.Name;
                    readerWithTstName.TestRepeats = test.Repeats;
                    readerWithTstName.RepetitionNr = repetitionNr;
                }
            }


            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Checking_tank_capacity);
            //------------------------------------------------
            bool drainTheTank = test.DoDraining;

            if (!drainTheTank)		/// If condition met => skip measuring and force emptying
            {
                ///
                /// Measure the weight and skip emptying if there is enough room in the tank
                ///
                State.Create(string.Format("{0}({1}) : Checking available tank capacity", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(scale.ReadMassOp(ref Mass))
                     .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.ScaleDone));

                double estimatedEndMass = Mass.Val + volumeToTank;
                if (estimatedEndMass >= scale.Capacity * Constants.TankFullFactor)
                {
                    drainTheTank = true;
                }
            }
            ///
            if (drainTheTank)
            {
#if BERLIN
                switch (DrainTheTank(outPath.Scale))
                {
                    case Event.Error:       { retVal = Event.Error;		goto stopTest; }
                    case Event.UiCmdStop:   { retVal = Event.UiCmdStop; goto stopTest; }
                }

				drainTheTank = false;
#else
				State.Create(string.Format("{0}({1}) : Open the drain valve", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(cBrd.SetValvesOp(scale.DrainValve, null))
                     .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.ValvesBusy));
#endif
            }


			///
			/// Optionally display prompt to emerge temperature meters to appropriate baths for heat meters test
			///
			IOperation heatMetersPromptOp = null;
			if (heatMetersTestParams != null && !string.IsNullOrEmpty(heatMetersTestParams.Prompt))
			{
				/// Make sure the CycleBeginForm is closed
				if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stopTest;

				heatMetersPromptOp = new Operations.MessageBoxOp(heatMetersTestParams.Prompt);
			}


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

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

			if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOn(test.PumpPower);
            ///
            State.Create(string.Format("{0}({1}) : Starting the pump", test.Method, test.Name))
                 .AddOperation(checkUiOp)
//                 .AddOperation(new Operations.SetAllRegulValvesOp(inPath.RegulValves, inPath.RegulValvesPct, 60))
                 .AddOperations(readTempPressOps)
                 .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.TimePump2StartV > 0)
            {
                State.Create(string.Format("{0}({1}) : Waiting after the pump started", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(new Operations.TimerOp(test.TimePump2StartV))
                     .AddOperations(readTempPressOps)
                     .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.TimerExpired));
            }


            if (benchPath.StopBFValve != null)
            {
                State.Create(string.Format("{0}({1}) : Opening the stop backflow valve", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(cBrd.SetValvesOp(benchPath.StopBFValve, null))
                     .AddOperations(readTempPressOps)
                     .AddOperation(heatMetersPromptOp)
					 .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (TestAndLogUiCmdStop(test, e))   { retVal = Event.UiCmdStop; goto stopTest; }
                    if (e.Contains(Event.Error))        { retVal = Event.Error; goto stopTest; }
                }
                while (!e.Contains(Event.ValvesSet));
            }


            if (test.TimeBeforeFlow > 0)
            {
                State.Create(string.Format("{0}({1}) : Waiting before flow setting process starts", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperation(new Operations.TimerOp(test.TimeBeforeFlow))
                     .AddOperations(readTempPressOps)
                     .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.TimerExpired));
            }

            //------------------------------------------------
            Bridge.OnActivity(this, Strings.Setting_the_flow);
            //------------------------------------------------
            State.Create(string.Format("{0}({1}) : Setting the flow", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperation(cBrd.SetFlowOp(test.Qfrom, test.Qto, RefFlow, FlowSettingTimeoutSec))
                 .AddOperations(readTempPressOps)
                 .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.Flow_adjustment_failed);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
                if (e.Contains(Event.Next)) goto flow_set;
            }
            while (!e.Contains(Event.FlowReached));

        flow_set:

            int flowSetTime = StateMachine.Time - flowSetTime0;
            double currentFlow = RefFlow.Val;

            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(string.Format("{0}({1}) : Check temperature stabilized.", test.Method, test.Name))
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .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);
            }
			else if (test.DoControlWaterTemp && benchPath.TempMtrUp != null && benchPath.TempMtrDown != null)
			{
				//---------------------------------------------------
				Bridge.OnActivity(this, Strings.Setting_temperature);
				//---------------------------------------------------

				State.Create(string.Format("{0}({1}) : Wait until the water temperature is within limits", test.Method, test.Name))
					 .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
					 .EnterState();
				do {
					e = StateMachine.WaitRunDevsRunOps();
					if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; goto stopTest; }
					if (e.Contains(Event.Next)) goto temperature_set;

					if ((test.TempLimLo <= TempUp.Val) && (TempUp.Val <= test.TempLimHi) &&
						(test.TempLimLo <= TempDown.Val) && (TempDown.Val <= test.TempLimHi))
					{
						goto temperature_set;
					}
				}
				while (true);
			}

        temperature_set:


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

			/// Find successfully detected ROI-s
            IList<GenericDevices.IRegReaderLiveCamera> rois = new List<GenericDevices.IRegReaderLiveCamera>();
			foreach (var rr in sensPath.RegisterReaders)
			{
                GenericDevices.IRegReaderLiveCamera cameraRoI = rr as GenericDevices.IRegReaderLiveCamera;
                if ((cameraRoI != null) && cameraRoI.Detected)
                {
                    rois.Add(cameraRoI);
                }
            }

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

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

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


			if (drainTheTank)
			{
				//------------------------------------------------
				Bridge.OnActivity(this, Strings.Closing_the_tank);
				//------------------------------------------------

				///
				/// Make sure tank draining completed
				///
                switch (DrainTheTank(scale, readTempPressOps))
				{
					case Event.Error: { retVal = Event.Error; goto stopTest; }
					case Event.UiCmdStop: { retVal = Event.UiCmdStop; goto stopTest; }
				}

				drainTheTank = false;
			}
			else
			{
				/// Close the drain valve anyway
				State.Create(string.Format("{0}({1}) : Close the drain valve", test.Method, test.Name))
					 .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(cBrd.SetValvesOp(null, scale.DrainValve))
					 .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.ValvesBusy));
			}


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

            LogProcessDataTestInfo(processDataLogger, test.Procedure.Name, test.Name);

			if (heatMetersPath == null) LogProcessDataHeader(processDataLogger, "Start mass");
			else LogProcessDataHeaderHeatMeters(processDataLogger, "Start mass");

			State.Create(string.Format("{0}({1}) : Measuring the start mass", test.Method, test.Name))
				 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(cameraMeasurementOps)
                 .AddOperation(scale.ReadStableMassOp(ref StartMass, test.TimeFlow2Mass, test.MassMethod, test.MassRepeats, test.MassSpread))
                 .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; }
                if (e.Contains(Event.ScaleTimeout))
                {
                    Bridge.OnError(this, Strings.Mass_measurement_timeout);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }
            }
			while (!e.Contains(Event.ScaleDone));

            Mass.Val = StartMass.Val;
            tMass1 = StateMachine.Time;
            log.WarnFormat("Start mass = {0}kg", StartMass);


			if (heatMetersPath == null) LogProcessDataHeader(processDataLogger, "Measurement");
			else LogProcessDataHeaderHeatMeters(processDataLogger, "Measurement");

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

            /// Measurement loop preparation
            int estimtdEndTime = StateMachine.Time + (int)test.TestTime;
            StartNewStatistics(StateMachine.Time, BatchRslts.Batch.BatchNr, test.Name, repetitionNr, 0);
            DiverterStart.Start(BatchRslts.Batch.BatchNr, test.Name, repetitionNr);
            DiverterEnd.Start(BatchRslts.Batch.BatchNr, test.Name, repetitionNr);

            var prolongedTest = cBrd.FlyingStartStopTestOp(test, test.Qfrom, test.Qto, targetTotalPulses, true, true, targetMassPulses, true, DiverterStart, DiverterEnd);

            ///
            /// Measurement loop - 1st part
            ///
            State.Create(string.Format("{0}({1}) : 1st part of the test is running", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(cameraMeasurementOps)
                 .AddOperation(prolongedTest)
                 .AddOperation(processDataLoggingOp)
                 .EnterState();
			do {
				e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.OpArgumentError)) { retVal = Event.OpArgumentError; goto stopTest; }
				if (e.Contains(Event.Error))	       { retVal = Event.Error;	         goto stopTest; }
				if (TestAndLogUiCmdStop(test, e))      { retVal = Event.UiCmdStop;       goto stopTest; }
			
                DoInsideMeasurementLoop(cBrd, heatMetersTestParams, test, repetitionNr, estimtdEndTime);
                /// Proceed to 2nd part of the test when diverter turns back to sink, 'Next' button can be used in Debug version
            }
            while (!e.Contains(Event.TestPart2InProgress) && !e.Contains(Event.Next));

            ///
            /// 2nd part of the test and simultaneous measurement the end mass
            ///
            State.Create(string.Format("{0}({1}) : Measuring the end mass", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(cameraMeasurementOps)
                 .AddOperation(prolongedTest)
                 .AddOperation(scale.ReadStableMassOp(ref EndMass, test.TimeStop2Mass, test.MassMethod, test.MassRepeats, test.MassSpread))
                 .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; }
                if (e.Contains(Event.ScaleTimeout))
                {
                    Bridge.OnError(this, Strings.Mass_measurement_timeout);
                    retVal = Event.RecoverableError;
                    goto stopTest;
                }

                DoInsideMeasurementLoop(cBrd, heatMetersTestParams, test, repetitionNr, estimtdEndTime);
                /// Continue in 2nd part of the test when mass measurement is completed, 'Next' button can be used in Debug version
            }
            while (!e.Contains(Event.ScaleDone) && !e.Contains(Event.ScaleTimeout) && !e.Contains(Event.Next));

            ///
            /// 2nd part of the test and optional opening of the drain valve
            ///
            State.Create(string.Format("{0}({1}) : 2nd part of the test is running", test.Method, test.Name))
                 .AddOperation(checkUiOp)
                 .AddOperations(readTempPressOps)
                 .AddOperations(cameraMeasurementOps)
                 .AddOperation(prolongedTest)
                 .AddOperation(test.DoDrainingAfter ? cBrd.SetValvesOp(scale.DrainValve, null) : null)
                 .AddOperation(processDataLoggingOp)
                 .EnterState();
            do
            {
                e = StateMachine.WaitRunDevsRunOps();
                if (e.Contains(Event.OpArgumentError)) { retVal = Event.OpArgumentError; goto stopTest; }
                if (e.Contains(Event.Error))           { retVal = Event.Error;           goto stopTest; }
                if (TestAndLogUiCmdStop(test, e))      { retVal = Event.UiCmdStop;       goto stopTest; }

                DoInsideMeasurementLoop(cBrd, heatMetersTestParams, test, repetitionNr, estimtdEndTime);
            }
            while (!e.Contains(Event.TestCompleted) && !e.Contains(Event.Next));

			StopRecordingStatistics();

            ///
            /// (Berlin:) Water is stopped immediately after the test and before the 2nd mass measurement in case:
            ///  - no 'transition sequence after test' is used
            ///  - this is the last (or the only) test repetition or test is a part of an 'outer loop'
            ///
            if (isLastRepetition && transitionAfter == null)
            {
                if (inPath.Pump is GenericDevices.IPumpFM) (inPath.Pump as GenericDevices.IPumpFM).TurnOff();

                State.Create("SequenceBase : Transition : TestEnd - Default action")
                     .AddOperation(checkUiOp)
                     .AddOperations(readTempPressOps)
                     .AddOperation(cBrd.SetValvesOp(StateMachine.DefaultValvesOpen, StateMachine.DefaultValvesClose))
                     .EnterState();
                do {
                    e = StateMachine.WaitRunDevsRunOps();
                    if (e.Contains(Event.Error))    { retVal = Event.Error;     goto stopTest; }
                    if (TestAndLogUiCmdStop(e))     { retVal = Event.UiCmdStop; goto stopTest; }
                }
                while (!e.Contains(Event.ValvesSet));
            }

			//------------------------------------------------
			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 (heatMetersPromptOp == null)
			{
				if (UIFlowControl.Stop == WaitBeginFormClosed()) goto stopTest;
			}

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

			if (tstRslt != null)
            {
                Results.Utils.GetCounterStates(tstRslt, Program.LocalSettings.Counters);
                UpdateTempPressDensAmb(tstRslt);

                double totalPulses = Convert.ToDouble(cBrd.RefPulses);
                double massPulses  = Convert.ToDouble(cBrd.MassRefPulses);

				/// Main results
                tstRslt.MethodClass     = TbfComponents.FindComponent(test.Method).ClassName;
                tstRslt.StartTime       = TestStartTime;
				tstRslt.EndTime         = TestEndTime;
				tstRslt.FlowSetTime     = flowSetTime;
                tstRslt.TestTime        = cBrd.TestTime;				/// [s] measurement time   (TODO: or cBrd.ImpulseTime(0)  ???)
                tstRslt.TimeBtwnMassMsrmnts = tMass2 - tMass1;
                double massOfEvaporatedWater = (double)tstRslt.TimeBtwnMassMsrmnts * outPath.Scale.EvaporationRate(tstRslt.TempDivMean);
                tstRslt.PulsesMaster    = massPulses;	                /// Pulses of the master flow meter (test total)
                tstRslt.TotalPulsesMstr = totalPulses;
				tstRslt.MassStartRaw    = StartMass.Val;
                tstRslt.MassStart       = Formulas.CorrectedValue(tstRslt.MassStartRaw, scale.Corrections);
				tstRslt.MassEndRaw      = EndMass.Val;
                tstRslt.MassEnd         = Formulas.CorrectedValue(tstRslt.MassEndRaw, scale.Corrections);
                tstRslt.FlowMass        = 3600 * (tstRslt.MassEnd - tstRslt.MassStart + massOfEvaporatedWater) * totalPulses / (tstRslt.TestTime * massPulses); /// [kg/h]
                tstRslt.FlowVolume      = 3.6 * LtrPerRefPulse * totalPulses / tstRslt.TestTime;				                        /// [m3/h]
                tstRslt.Buoyancy        = Formulas.Buoyancy();
                tstRslt.VolumeCTV       = 1000 * tstRslt.Buoyancy * (tstRslt.MassEnd - tstRslt.MassStart + massOfEvaporatedWater) / tstRslt.DensityLine;        /// [l] commercially true volume of collected water
                if ((outPath.Diverter != null) && (tstRslt.TestTime > float.Epsilon))
                {
                    tstRslt.TestTimeCorrection = outPath.Diverter.TestTimeCorrection(tstRslt.FlowVolume);
                    tstRslt.VolumeCTV *= tstRslt.TestTime + tstRslt.TestTimeCorrection;
                    tstRslt.VolumeCTV /= tstRslt.TestTime;
                }
                tstRslt.VolumeMaster    = LtrPerRefPulse * massPulses;						                    /// [l] volume from the master flow meter
                tstRslt.ConstMasterRaw  = outPath.FlowMeter.LtrPerPulse;                                        /// Uncorrected master flowmeter coefficient
                tstRslt.ConstMasterCorr = outPath.FlowMeter.LtrPerPulseCorrected(tstRslt.FlowVolume, rangeIx);  /// Master pulses per liter from a correction table and a flow
                tstRslt.ConstMaster     = (massPulses != 0) ? (tstRslt.VolumeCTV / massPulses) : tstRslt.ConstMasterCorr;
                                                                                                                /// Master pulses per liter from the measured mass
                tstRslt.ErrorMaster     = Formulas.ErrorFromVolumes(tstRslt.VolumeMaster, tstRslt.VolumeCTV);

				tstRslt.FlowMean  = (float)RefFlowStat.Average;
				tstRslt.FlowStart = (float)RefFlowStat.First;
				tstRslt.FlowEnd   = (float)RefFlowStat.Last;
				tstRslt.FlowMin   = (float)RefFlowStat.Min;
                tstRslt.FlowMax   = (float)RefFlowStat.Max;

                tstRslt.DiverterStart = outPath.Diverter.SwitchTimeStart.Val;
                tstRslt.DivStart10 = 0;
                tstRslt.DivStart50 = 0;
                tstRslt.DivStart90 = 0;
                tstRslt.DiverterEnd = outPath.Diverter.SwitchTimeEnd.Val;
                tstRslt.DivEnd90 = 0;
                tstRslt.DivEnd50 = 0;
                tstRslt.DivEnd10 = 0;
                log.DebugFormat("Diverter switch time [s]: Start: {0}ms ({1} {2} {3}) End: {4}ms ({5} {6} {7})",
                                (tstRslt.DiverterStart * 1000).ToString("F0"), tstRslt.DivStart10, tstRslt.DivStart50, tstRslt.DivStart90,
                                (tstRslt.DiverterEnd * 1000).ToString("F0"), tstRslt.DivEnd90, tstRslt.DivEnd50, tstRslt.DivEnd10);
                long infoFlags = 0;
                tstRslt.ErrorFlags = (ErrorFlagsComp != null) ? ErrorFlagsComp.GetErrorFlags(tstRslt, true, false, tstRslt.DiverterStart, tstRslt.DiverterEnd, out infoFlags) : 0;
                tstRslt.InfoFlags = infoFlags;

				if (compoundTestParams != null)
				{
					///
					/// Compound meters
					///
					for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
					{
						if (!test.IsPartCompatible(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
						{
							GenericDevices.IRegReader regReader = sensPath.RegisterReaders[2 * i + isAux];
							Results.Entities.MeterTestRslt meterRslt = (isAux == 0) ? mainMeterRslt : auxMeterRslt;

							if (meterRslt != null && regReader != null)
							{
                                meterRslt.RegReaderType = (int)regReader.RegisterReaderType;
                                meterRslt.PulsesPerLiter = regReader.PulsesPerLtr;

								/// Optionally supress pulses from the large water meter
								meterRslt.PulsesMeter = (isAux == 0 && compoundTestParams.SupressTrills) ? 0 : Convert.ToDouble(regReader.WMPulses);
								meterRslt.PulsesMaster = Convert.ToDouble(regReader.WMRefPulses);

                                meterRslt.TestTime = cBrd.TestTimeWM(regReader.Position);
								meterRslt.VolumeStart = 0;
								meterRslt.VolumeEnd = 0;
								meterRslt.VolumeRef = tstRslt.VolumeCTV;
								meterRslt.VolumeMeter = meterRslt.PulsesMeter * regReader.LtrsPerPulse;	/// liter

								if (meterRslt.PulsesMaster != 0)
								{
                                    meterRslt.VolumeMeter *= (totalPulses / meterRslt.PulsesMaster);
								}

                                meterRslt.Error = Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, tstRslt.VolumeCTV);	/// Main/Aux meter error is not usedfor evaluation
							}
						}

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

						if (compoundMeterRslt != null && mainMeterRslt != null && auxMeterRslt != null)
						{
							compoundMeterRslt.VolumeRef = tstRslt.VolumeCTV;
							compoundMeterRslt.VolumeMeter = mainMeterRslt.VolumeMeter + auxMeterRslt.VolumeMeter;
                            compoundMeterRslt.PulsesMaster = totalPulses;
							compoundMeterRslt.TestTime = tstRslt.TestTime;
                            compoundMeterRslt.Error = Formulas.ErrorFromVolumes(compoundMeterRslt.VolumeMeter, compoundMeterRslt.VolumeRef);
							compoundMeterRslt.Passed = (compoundMeterRslt.Error >= test.GetErrLimLo(tstRslt.VolumeCTV, tstRslt.TestTime) + test.Uncertainty)
													&& (compoundMeterRslt.Error <= test.GetErrLimHi(tstRslt.VolumeCTV, tstRslt.TestTime) - test.Uncertainty)
                                                    && (tstRslt.ErrorFlags == 0);
                            mainMeterRslt.Passed = auxMeterRslt.Passed = compoundMeterRslt.Passed;
							mainMeterRslt.TestDone = auxMeterRslt.TestDone = compoundMeterRslt.TestDone = true;
                            tstRslt.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.IsPartCompatible(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);

                        Rig.GenericDevices.IRegReader volumeRegReader =
                            (sensPath.RegisterReaders.Length > 2 * i) ? sensPath.RegisterReaders[2 * i] : null;

                        Rig.GenericDevices.IRegReader energyRegReader =
                            (sensPath.RegisterReaders.Length > 2 * i + 1) ? sensPath.RegisterReaders[2 * i + 1] : null;

                        if (volumeRslt != null && volumeRegReader != null)
                        {
                            volumeRslt.PulsesPerLiter = volumeRegReader.PulsesPerLtr;                       /// [l ^ -1]
                            volumeRslt.PulsesMeter = Convert.ToDouble(volumeRegReader.WMPulses);
                            volumeRslt.PulsesMaster = Convert.ToDouble(volumeRegReader.WMRefPulses);
                            volumeRslt.VolumeStart = 0;
                            volumeRslt.VolumeEnd = 0;
                            volumeRslt.VolumeMeter = volumeRslt.PulsesMeter * volumeRegReader.LtrsPerPulse;	/// [l]
                            volumeRslt.VolumeRef = volumeRslt.PulsesMaster * tstRslt.ConstMaster;	        /// [l]
                            volumeRslt.TestTime = cBrd.TestTimeWM(i + 1);                                   /// [s]

                            volumeRslt.Error = Formulas.ErrorFromVolumes(volumeRslt.VolumeMeter, volumeRslt.VolumeRef);
							volumeRslt.Passed = !heatMetersTestParams.EvaluateVolume ||
												((volumeRslt.Error >= test.GetErrLimLo(tstRslt.VolumeCTV, tstRslt.TestTime) + test.Uncertainty) &&
												 (volumeRslt.Error <= test.GetErrLimHi(tstRslt.VolumeCTV, tstRslt.TestTime) - test.Uncertainty) &&
        										 (tstRslt.ErrorFlags == 0));
                            volumeRslt.TestDone = true;
                            tstRslt.TestDone = true;
                        }

                        if (energyRslt != null && energyRegReader != null)
                        {
                            energyRslt.PulsesPerLiter = energyRegReader.PulsesPerLtr;                       /// [kWh ^ -1]
                            energyRslt.PulsesMeter = Convert.ToDouble(energyRegReader.WMPulses);
                            energyRslt.PulsesMaster = Convert.ToDouble(energyRegReader.WMRefPulses);
                            energyRslt.VolumeStart = 0;
                            energyRslt.VolumeEnd = 0;
                            energyRslt.VolumeRef = tstRslt.RefEnergy * (energyRslt.PulsesMaster / totalPulses);	                                        /// [J]
							energyRslt.VolumeMeter = energyRslt.PulsesMeter * Config.Units.ConvertFrom(Config.Unit.kWh, energyRegReader.LtrsPerPulse);	/// [J]
                            energyRslt.TestTime = cBrd.TestTimeWM(i + 1);                                                                               /// [s]

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

						/// MetersKind.Single meters
						Results.Entities.MeterTestRslt meterRslt = BatchRslts.GetMeterTestRslt(testName, i, Config.Entities.CompoundMeterId.Single);
						GenericDevices.IRegReader regReader = sensPath.RegisterReaders[i];
                        GenericDevices.IRegReaderDatastream dstrReader = regReader as GenericDevices.IRegReaderDatastream;
                        TestMethods.iPerlCommunication.iPerlHead.IperlHead iPerl = regReader as TestMethods.iPerlCommunication.iPerlHead.IperlHead;
                        GenericDevices.IRegReaderLiveCamera cameraRoi = regReader as GenericDevices.IRegReaderLiveCamera;

						if (meterRslt != null && regReader != null)
						{
                            meterRslt.RegReaderType = (int)regReader.RegisterReaderType;
                            meterRslt.PulsesPerLiter = regReader.PulsesPerLtr;
							meterRslt.PulsesMeter = Convert.ToDouble(regReader.WMPulses);

                            log.DebugFormat("Water meter {0}: pulses/liter={1}, meter pulses={2}", i + 1, meterRslt.PulsesPerLiter, meterRslt.PulsesMeter);

							if (dstrReader != null)
							{
								meterRslt.TimestampStart = dstrReader.TimestampSecStart;
								meterRslt.TimestampEnd 	 = !dstrReader.NoSamples ? dstrReader.TimestampSecEnd : (dstrReader.TimestampSecStart + tstRslt.TestTime);
								meterRslt.TestTime 		 = meterRslt.TimestampEnd - meterRslt.TimestampStart;
								meterRslt.VolumeStart 	 = dstrReader.VolumeLtrStart;        /// liter
								meterRslt.VolumeEnd 	 = dstrReader.VolumeLtrEnd;          /// liter
								meterRslt.VolumeMeter 	 = Math.Abs(dstrReader.VolumeLtrEnd - dstrReader.VolumeLtrStart);
								meterRslt.VolumeRef 	 = tstRslt.VolumeCTV * meterRslt.TestTime * totalPulses / (tstRslt.TestTime * massPulses);
                                meterRslt.PulsesMaster   = totalPulses * meterRslt.TestTime / tstRslt.TestTime;

                                if (iPerl != null)
                                {
                                    if (iPerl.ResultCode != 0 && (meterRslt.WaterMeter.ResultCode & (int)Results.Entities.ResultCode.OptoErrorCodeMask) == 0)
                                    {
                                        meterRslt.WaterMeter.ResultCode |= iPerl.ResultCode;
                                    }
#if IPERL
                                    meterRslt.WaterMeter.CalibFactor = iPerl.CalibFactor;
#endif
                                    iPerl.LastTestResult2 = iPerl.LastTestResult;							/// Save shift previous test result
                                    iPerl.LastTestResult = meterRslt;										/// Save this test result
                                }

                                log.DebugFormat("Datastream: Tst={0} Tend={1} Tmtr={2} Ttime={3} Vst={4} Vend={5} Vmtr={6} Vref={7}",
                                                 meterRslt.TimestampStart,
                                                 meterRslt.TimestampEnd,
                                                 meterRslt.TestTime,
                                                 tstRslt.TestTime,
                                                 meterRslt.VolumeStart,
                                                 meterRslt.VolumeEnd,
                                                 meterRslt.VolumeMeter,
                                                 meterRslt.VolumeRef);
                            }
							else if (cameraRoi != null)
							{
								meterRslt.TimestampStart = cameraRoi.TimestampStart;					        /// [s]
								meterRslt.TimestampEnd   = cameraRoi.TimestampEnd;						        /// [s]
								meterRslt.TestTime       = cameraRoi.TimestampEnd - cameraRoi.TimestampStart;	/// [s]

                                meterRslt.VolumeStart    = cameraRoi.VolumeStart;							    /// [l]
                                meterRslt.VolumeEnd      = cameraRoi.VolumeEnd;								    /// [l]
                                meterRslt.VolumeMeter    = cameraRoi.VolumeEnd - cameraRoi.VolumeStart;	        /// [l]
 
								meterRslt.VolumeRef      = tstRslt.VolumeCTV * meterRslt.TestTime * totalPulses / (tstRslt.TestTime * massPulses);
                                meterRslt.PulsesMaster   = totalPulses * meterRslt.TestTime / tstRslt.TestTime;

                                log.DebugFormat("Camera: Tst={0} Tend={1} Tmtr={2} Ttime={3} Vst={4} Vend={5} Vmtr={6} Vref={7}",
                                                 meterRslt.TimestampStart,
                                                 meterRslt.TimestampEnd,
                                                 meterRslt.TestTime,
                                                 tstRslt.TestTime,
                                                 meterRslt.VolumeStart,
                                                 meterRslt.VolumeEnd,
                                                 meterRslt.VolumeMeter,
                                                 meterRslt.VolumeRef);
                            }
							else
							{
                                meterRslt.PulsesMaster = Convert.ToDouble(regReader.WMRefPulses);
                                meterRslt.TestTime     = cBrd.TestTimeWM(i + 1);
                                meterRslt.VolumeStart  = 0;												    /// [l]
                                meterRslt.VolumeEnd    = 0;												    /// [l]
                                meterRslt.VolumeMeter  = meterRslt.PulsesMeter * regReader.LtrsPerPulse;	/// [l]
                                meterRslt.VolumeRef    = meterRslt.PulsesMaster * tstRslt.ConstMaster;	    /// [l], tstRslt.ConstMaster is calculated from massPulses and VolumeCTV (from scale)

                                log.DebugFormat("Pulses:  RefPls4mtrRR={0} Tmtr={1} Ttime={2} Vmtr={3} Vref={4}",
                                                 meterRslt.PulsesMaster,
                                                 meterRslt.TestTime,
                                                 tstRslt.TestTime,
                                                 meterRslt.VolumeMeter,
                                                 meterRslt.VolumeRef);
                            }

                            meterRslt.Error = Formulas.ErrorFromVolumes(meterRslt.VolumeMeter, meterRslt.VolumeRef);
                            meterRslt.Passed = (meterRslt.Error >= test.GetErrLimLo(tstRslt.VolumeCTV, tstRslt.TestTime) + test.Uncertainty)
											&& (meterRslt.Error <= test.GetErrLimHi(tstRslt.VolumeCTV, tstRslt.TestTime) - test.Uncertainty)
                                            && (tstRslt.ErrorFlags == 0);
                            meterRslt.TestDone = true;
                            tstRslt.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,
																scale != null ? scale.Name : string.Empty,
																outPath.RegValve != null ? outPath.RegValve.Name : string.Empty,
																outPath.Diverter != null ? outPath.Diverter.Name : string.Empty));

                /// Update water meter error flags
                if (ErrorFlagsComp != null)
                {
                    if (BatchRslts.Batch != null && BatchRslts.Batch.WaterMeters != null)
                    {
                        for (int i = 0; i < BatchRslts.WMPositionsCount; i++)
                        {
                            if (BatchRslts.Batch.WaterMeters[i] != null && !BatchRslts.Batch.WaterMeters[i].Disabled)
                            {
                                long wmInfoFlags;
                                BatchRslts.Batch.WaterMeters[i].ErrorFlags = ErrorFlagsComp.GetWMtrErrorFlags(BatchRslts.Batch.WaterMeters[i].MeterTestRslts, out wmInfoFlags);
                                BatchRslts.Batch.WaterMeters[i].InfoFlags = wmInfoFlags;
                            }
                        }
                    }
                }

				/// 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));

		stopTest:

			StopRecordingStatistics();

			///
			///  Quit this sequence
			///
            if (isLastRepetition || retVal == Event.UiCmdStop
                                 || retVal == Event.OpArgumentError
                                 || retVal == Event.Error
                                 || retVal == Event.ConfigurationError)
            {
                cBrd.Stop(false);
            }

            return new List<Event> { retVal };
        }


        /// <summary>
        /// Collection of actions executed inside measurement loop
        /// </summary>
        void DoInsideMeasurementLoop(ControlBoard.IControlBoard cBrd, HeatMeters.TestParams heatMetersTestParams, Config.Entities.Test test, int repetitionNr, int estimtdEndTime, bool showRemainingTimeMsg = true)
        {
            RefFrequency.Val = cBrd.RefFrequency;
            RefFlow.Val = outPath.FlowMeter.ReadFlow();

            UpdateAllStatistics(StateMachine.Time);
            UpdateEnergy(heatMetersTestParams);
            if (showRemainingTimeMsg) ShowRemainingTime(Math.Max(estimtdEndTime - StateMachine.Time, 0));

            Bridge.OnProcessData(this, new ProcessDataEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
            Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Test));
        }


        /// <summary>
        /// This function is invoked in the measurement loop
        /// </summary>
        /// <param name="heatMetersTestParams">Heat meter test parameters or null</param>
        void UpdateEnergy(HeatMeters.TestParams heatMetersTestParams)
        {
            if (heatMetersTestParams == null) return;

            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;
            }
        }


		IList<Event> Simulate(Config.Entities.Test test, int repetitionNr, bool isLastRepetition,
							  Single.TestParams singleTestParams,
							  Compound.TestParams compoundTestParams,
							  HeatMeters.TestParams heatMetersTestParams)
		{
			///
			/// Test method simulation
			/// 
			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.FlowSetting));

			if (compoundTestParams != null)
			{
				if (test.Name.ToLower().Contains("nok")) MakeSimulatedCompound(test, 1, 0, 4.7f, 0.9f);
				else									 MakeSimulatedCompound(test, 1, 0, 0.7f, 1.0f);
			}
            else if (heatMetersTestParams != null)
            {
                MakeSimulatedHeatMeters(test, 1, 0, 1.5f, 1000000, heatMetersTestParams.ErrorLimitLo, heatMetersTestParams.ErrorLimitHi, heatMetersTestParams.EvaluateVolume);
            }
            else
            {
                float errorPctBase = -1.0f;
				if (test.Name.ToLower().Contains("q3")) errorPctBase = -0.5f;
                else if (test.Name.ToLower().Contains("q2")) errorPctBase = 0.5f;
                else if (test.Name.ToLower().Contains("q1")) errorPctBase = -5.1f;

                MakeSimulated(test, repetitionNr, 0, errorPctBase + repetitionNr * 0.1f);
            }

			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, repetitionNr, Config.Entities.Progress.Completed));
			Bridge.OnTestCompleted(this, new TestCompletedEventArgs(test.Name, BatchRslts.GetTestRslt(Results.Utils.GetTestName(test.Name, 1, 1), 0)));
			allResults.Info(TestResult2CsvLine(test.Name, 0));	/// Append the results to the CSV-file

			//-------------------------------------------------------------------
			Bridge.OnActivity(this, string.Format("{0} Simulation", test.Name));
			//-------------------------------------------------------------------

			State.Create(string.Format("{0}({1}) : Simulation", test.Method, test.Name))
				.AddOperation(checkUiOp)
				.EnterState();
			IList<Event> e = StateMachine.WaitRunDevsRunOps();

            return new List<Event> { TestAndLogUiCmdStop(test, e) ? Event.UiCmdStop : Event.Done };
        }
    }
}