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GenericTeProgramLibrary/Source/TSRealLib/MAL/Managers/SwitchMeasurementManager/SwitchMeasurementManager.cs
2025-03-13 12:04:22 -07:00

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C#

// UNCLASSIFIED
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using NLog;
using Raytheon.Common;
using Raytheon.Instruments;
using Raytheon.Instruments.Dmm;
using Raytheon.Units;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
namespace MeasurementManagerLib
{
/// <summary>
/// The interface to the instruments contained in the vsu test station.
/// This class reads in test station configuration ini file that contains:
/// - DMM measurement definitions
/// The host of this class can invoke those measurements by commanding the this class with the ini file string names
/// which insulates the caller from having to know the details of that measurement
/// </summary>
public class SwitchMeasurementManager : IDisposable
{
#region PublicMembers
/// <summary>
/// Type of DMM Resistance Measurements
/// </summary>
public enum DMMResistanceType
{
TWO,
FOUR,
};
public enum DMMVoltageType
{
DC,
AC,
};
public delegate void SwitchMeasurementDelegate();
/// <summary>
/// Struct for holding on to DMM measurement definitions
/// </summary>
public struct DMMFrequencyMeasurementFields
{
public readonly double _range;
public readonly double _resolution;
public readonly double _scaleFactor;
public readonly int _delay;
public List<string> _relays;
public readonly double _voltRange;
public readonly double _numReads;
public DMMFrequencyMeasurementFields(double range, double resolution, int delay, double scaleFactor, List<string> relays, double voltRange, double numReads)
{
_range = range;
_resolution = resolution;
_delay = delay;
_scaleFactor = scaleFactor;
_relays = relays;
_voltRange = voltRange;
_numReads = numReads;
}
}
/// <summary>
/// Struct for holding on to DMM measurement definitions
/// </summary>
public struct DMMVoltageMeasurementFields
{
public readonly double _range;
public readonly double _resolution;
public readonly double _scaleFactor;
public readonly int _delay;
public List<string> _relays;
public DMMVoltageType _voltageType;
public DMMVoltageMeasurementFields(double range, double resolution, int delay, double scaleFactor, List<string> relays, DMMVoltageType voltageType)
{
_range = range;
_resolution = resolution;
_delay = delay;
_scaleFactor = scaleFactor;
_relays = relays;
_voltageType = voltageType;
}
}
/// <summary>
/// Struct for holding on to DMM measurement definitions
/// </summary>
public struct DMMResistanceMeasurementFields
{
public readonly string _pcode;
public readonly double _range;
public readonly double _resolution;
public readonly double _scaleFactor;
public readonly int _delay;
public List<string> _relays;
public DMMResistanceType _dmmResistanceType;
public readonly string _cableAndPinId;
public readonly double _lowerLimit;
public readonly double _upperLimit;
public DMMResistanceMeasurementFields(string pcode, double range, double resolution, int delay, double scaleFactor, List<string> relays, DMMResistanceType type, string cableAndPinId, double lowerLimit, double upperLimit)
{
_pcode = pcode;
_range = range;
_resolution = resolution;
_delay = delay;
_scaleFactor = scaleFactor;
_relays = relays;
_dmmResistanceType = type;
_cableAndPinId = cableAndPinId;
_lowerLimit = lowerLimit;
_upperLimit = upperLimit;
}
}
public struct SwitchMeasurementFields
{
public List<string> _relays;
public SwitchMeasurementFields(List<string> relays)
{
_relays = relays;
}
}
/// <summary>
/// State for a trigger edge.
/// </summary>
public enum ScopeEdge
{
FALLING = 0,
RISING,
HOLDING
};
public readonly struct ScopePulseWidthMeasurementFields
{
public readonly List<string> _relays;
public readonly int _channelNumber;
public readonly ScopeEdge _edge;
public readonly double _timePerDivision;
public readonly double _timeOffset;
public readonly double _triggerLevel;
public readonly double _voltageOffset;
public readonly double _voltageScale;
public readonly string _inputImpedance;
//public readonly double m_measurementTime;
public readonly int _delay;
public readonly bool _shallWeSaveImage;
public readonly int _maxTriggerWaitTime;
public ScopePulseWidthMeasurementFields(List<string> relays, int channelNumber, ScopeEdge edge, double timePerDivision, double timeOffset, double triggerLevel, double voltageOffset, double voltageScale, string inputImpedance, int delay, bool shallWeSaveImage, int maxTriggerWaitTime)
{
_relays = relays;
_channelNumber = channelNumber;
_edge = edge;
_inputImpedance = inputImpedance;
_timePerDivision = timePerDivision;
_timeOffset = timeOffset;
_triggerLevel = triggerLevel;
_voltageOffset = voltageOffset;
_voltageScale = voltageScale;
_delay = delay;
_shallWeSaveImage = shallWeSaveImage;
_maxTriggerWaitTime = maxTriggerWaitTime;
}
}
public readonly struct ScopeFrequencyMeasurementFields
{
public readonly List<string> _relays;
public readonly int _channelNumber;
public readonly ScopeEdge _edge;
public readonly double _timePerDivision;
public readonly double _timeOffset;
public readonly double _triggerLevel;
public readonly double _voltageOffset;
public readonly double _voltageScale;
public readonly string _inputImpedance;
//public readonly double m_measurementTime;
public readonly int _delay;
public readonly bool _shallWeSaveImage;
public readonly int _maxTriggerWaitTime;
public ScopeFrequencyMeasurementFields(List<string> relays, int channelNumber, ScopeEdge edge, double timePerDivision, double timeOffset, double triggerLevel, double voltageOffset, double voltageScale, string inputImpedance, int delay, bool shallWeSaveImage, int maxTriggerWaitTime)
{
_relays = relays;
_channelNumber = channelNumber;
_edge = edge;
_inputImpedance = inputImpedance;
_timePerDivision = timePerDivision;
_timeOffset = timeOffset;
_triggerLevel = triggerLevel;
_voltageOffset = voltageOffset;
_voltageScale = voltageScale;
_delay = delay;
_shallWeSaveImage = shallWeSaveImage;
_maxTriggerWaitTime = maxTriggerWaitTime;
}
}
//public Dictionary<string, DMMFrequencyMeasurementFields> _dmmFrequencyMeasurements = new Dictionary<string, DMMFrequencyMeasurementFields>(StringComparer.InvariantCultureIgnoreCase);
public Dictionary<string, DMMFrequencyMeasurementFields> DmmFrequencyMeasurements
{
get { return _dmmFrequencyMeasurements; }
set { _dmmFrequencyMeasurements = value; CheckForDmmFrequencyConfigValidity(); }
}
public Dictionary<string, DMMResistanceMeasurementFields> DmmResistanceMeasurements
{
get { return _dmmResistanceMeasurements; }
set { _dmmResistanceMeasurements = value; CheckForDmmResistanceConfigValidity(); }
}
public Dictionary<string, DMMVoltageMeasurementFields> DmmVoltageMeasurements
{
get { return _dmmVoltageMeasurements; }
set { _dmmVoltageMeasurements = value; CheckForDmmVoltageConfigValidity(); }
}
public Dictionary<string, SwitchMeasurementFields> SwitchMeasurements { get; set; }
public Dictionary<string, ScopeFrequencyMeasurementFields> ScopeFreqMeasurements
{
get { return _scopeFreqMeasurements; }
set { _scopeFreqMeasurements = value; CheckForScopeFrequencyConfigValidity(); }
}
public Dictionary<string, ScopePulseWidthMeasurementFields> ScopePulseWidthMeasurements
{
get { return _scopePulseWidthMeasurements; }
set { _scopePulseWidthMeasurements = value; CheckForScopePulseWidthConfigValidity(); }
}
public List<string> RelayExclusionList { get; set; }
#endregion
#region PrivateClassMembers
/// <summary>
/// private class members
/// </summary>
private readonly IDmm _dmm;
private readonly IOscilloScope _scope;
private readonly Dictionary<string, ISwitch> _switchCards;
private static readonly object _syncObj = new Object();
private static NLog.ILogger _logger;
private Dictionary<string, DMMResistanceMeasurementFields> _dmmResistanceMeasurements;
private Dictionary<string, DMMFrequencyMeasurementFields> _dmmFrequencyMeasurements;
private Dictionary<string, DMMVoltageMeasurementFields> _dmmVoltageMeasurements;
private Dictionary<string, ScopeFrequencyMeasurementFields> _scopeFreqMeasurements;
private Dictionary<string, ScopePulseWidthMeasurementFields> _scopePulseWidthMeasurements;
#endregion
#region PrivateFunctions
/// <summary>
/// The Finalizer
/// </summary>
~SwitchMeasurementManager()
{
Dispose(false);
}
/// <summary>
/// Check configuration information is correct
/// </summary>
private void CheckForDmmResistanceConfigValidity()
{
foreach (KeyValuePair<string, DMMResistanceMeasurementFields> entry in DmmResistanceMeasurements)
{
List<string> relays = entry.Value._relays;
foreach (string relayDef in relays)
{
string[] relayInfo = relayDef.Split('-');
if (relayInfo.Length != 2)
{
throw new Exception("Dmm resistance measurement relay format is not correct: " + relayDef);
}
if (_switchCards.ContainsKey(relayInfo[0].ToUpper()) == false)
{
throw new Exception("Dmm resistance measurement relay card field does not exist: " + relayInfo[0]);
}
}
}
}
/// <summary>
/// Check configuration information is correct
/// </summary>
private void CheckForDmmFrequencyConfigValidity()
{
foreach (KeyValuePair<string, DMMFrequencyMeasurementFields> entry in DmmFrequencyMeasurements)
{
List<string> relays = entry.Value._relays;
foreach (string relayDef in relays)
{
string[] relayInfo = relayDef.Split('-');
if (relayInfo.Length != 2)
{
throw new Exception("Dmm frequency measurement relay format is not correct: " + relayDef);
}
if (_switchCards.ContainsKey(relayInfo[0].ToUpper()) == false)
{
throw new Exception("Dmm frequency measurement relay card field does not exist: " + relayInfo[0]);
}
}
}
}
/// <summary>
/// Check configuration information is correct
/// </summary>
private void CheckForDmmVoltageConfigValidity()
{
foreach (KeyValuePair<string, DMMVoltageMeasurementFields> entry in DmmVoltageMeasurements)
{
List<string> relays = entry.Value._relays;
foreach (string relayDef in relays)
{
string[] relayInfo = relayDef.Split('-');
if (relayInfo.Length != 2)
{
throw new Exception("Dmm voltage measurement relay format is not correct: " + relayDef);
}
if (_switchCards.ContainsKey(relayInfo[0].ToUpper()) == false)
{
throw new Exception("Dmm voltage measurement relay card field does not exist: " + relayInfo[0]);
}
}
}
}
/// <summary>
/// Check configuration information is correct
/// </summary>
private void CheckForScopeFrequencyConfigValidity()
{
foreach (KeyValuePair<string, ScopeFrequencyMeasurementFields> entry in ScopeFreqMeasurements)
{
List<string> relays = entry.Value._relays;
foreach (string relayDef in relays)
{
string[] relayInfo = relayDef.Split('-');
if (relayInfo.Length != 2)
{
throw new Exception("Scope frequency measurement relay format is not correct: " + relayDef);
}
if (_switchCards.ContainsKey(relayInfo[0].ToUpper()) == false)
{
throw new Exception("Scope frequency measurement relay card field does not exist: " + relayInfo[0]);
}
}
}
}
/// <summary>
/// Check configuration information is correct
/// </summary>
private void CheckForScopePulseWidthConfigValidity()
{
foreach (KeyValuePair<string, ScopePulseWidthMeasurementFields> entry in ScopePulseWidthMeasurements)
{
List<string> relays = entry.Value._relays;
foreach (string relayDef in relays)
{
string[] relayInfo = relayDef.Split('-');
if (relayInfo.Length != 2)
{
throw new Exception("Scope pulse width measurement relay format is not correct: " + relayDef);
}
if (_switchCards.ContainsKey(relayInfo[0].ToUpper()) == false)
{
throw new Exception("Scope pulse width measurement relay card field does not exist: " + relayInfo[0]);
}
}
}
}
/// <summary>
/// Check a list of relays against a list of not allowed relays
/// </summary>
/// <param name="relaysToCheck"></param>
/// <returns>True if everything is good and checks out, false if relaysToCheck contains a relay on the not allowed list</returns>
private bool CheckRelayVerificationList(List<string> relaysToCheck)
{
for (int i = 0; i < relaysToCheck.Count; i++)
{
string relayToCheck = relaysToCheck[i];
for (int j = 0; j < RelayExclusionList.Count; j++)
{
string notAllowedRelay = RelayExclusionList[j];
if (relayToCheck.ToUpper() == notAllowedRelay.ToUpper())
{
return false;
}
}
}
return true;
}
/// <summary>
///
/// </summary>
/// <param name="measurementName"></param>
/// <param name="measurementRelays"></param>
/// <param name="measurement"></param>
/// <param name="type"></param>
/// <param name="delayAfterClosingRelay"></param>
private void ConfigureDmmSettingsAndCloseAnyRelays(string measurementName, out List<string> measurementRelays, out DMMResistanceMeasurementFields measurement, out MeasurementFunction type, bool delayAfterClosingRelay = true)
{
if (DmmResistanceMeasurements.ContainsKey(measurementName.ToUpper()) == false)
{
throw new Exception("could not find measurement: " + measurementName);
}
measurement = DmmResistanceMeasurements[measurementName.ToUpper()];
measurementRelays = measurement._relays;
byte desiredMeasurementType = (byte)measurement._dmmResistanceType;
SwitchRelayClose(measurementRelays);
if (delayAfterClosingRelay)
{
Thread.Sleep(measurement._delay);
}
type = Raytheon.Instruments.Dmm.MeasurementFunction.TwoWireResistance;
if (measurement._dmmResistanceType == DMMResistanceType.TWO)
{
type = Raytheon.Instruments.Dmm.MeasurementFunction.TwoWireResistance;
}
else if (measurement._dmmResistanceType == DMMResistanceType.FOUR)
{
type = Raytheon.Instruments.Dmm.MeasurementFunction.FourWireResistance;
}
else
{
throw new Exception("unknown resistance type: " + measurement._dmmResistanceType.ToString());
}
}
/// <summary>
/// Dispose of this objects resources
/// </summary>
/// <param name="disposing"></param>
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (_dmm != null)
{
try
{
_dmm.Shutdown();
}
catch (Exception err)
{
_logger?.Error(err.Message + "\r\n" + err.StackTrace);
}
}
if (_switchCards != null)
{
foreach (KeyValuePair<string, ISwitch> switchCard in _switchCards)
{
try
{
if (_switchCards[switchCard.Key] != null)
{
_switchCards[switchCard.Key].Shutdown();
}
}
catch (Exception err)
{
_logger?.Error(err.Message + "\r\n" + err.StackTrace);
}
}
}
if (_scope != null)
{
try
{
_scope.Shutdown();
}
catch (Exception err)
{
_logger?.Error(err.Message + "\r\n" + err.StackTrace);
}
}
try
{
ErrorLogger.Instance().Dispose();
}
catch (Exception)
{
// nothing to do
}
}
}
/// <summary>
/// Will command the switch cards close a specified list of relays
/// </summary>
/// <param name="relayList"></param>
private void SwitchRelayClose(List<string> relayList)
{
// open all relays on the switch. Just extra layer of protection so we don't short out the relays
SwitchRelayOpenAll();
Thread.Sleep(10);
// verify none of the relays are on the exclusion list
bool areRelaysOk = CheckRelayVerificationList(relayList);
if (areRelaysOk == false)
{
throw new Exception("Commanded relay is not allowed");
}
foreach (string combo in relayList)
{
//break out the card and relay
string[] cardRelay = combo.Split('-');
string cardObject = cardRelay[0].Trim();
string relay = cardRelay[1].Trim();
//close the relays
_switchCards[cardObject.ToUpper()].Connect(relay);
}
}
/// <summary>
/// Will command the switch card open all relays or the specified list of relays
/// </summary>
/// <param name="relayList">Optional list of relays to open</param>
private void SwitchRelayOpen(List<string> relayList)
{
foreach (string combo in relayList)
{
//break out the card and relay
string[] cardRelay = combo.Split('-');
string cardObject = cardRelay[0].Trim();
string relay = cardRelay[1].Trim();
//open the relays
_switchCards[cardObject.ToUpper()].Disconnect(relay);
}
}
/// <summary>
/// Opens all relays on all switch cards
/// </summary>
private void SwitchRelayOpenAll()
{
foreach (KeyValuePair<string, ISwitch> switchCard in _switchCards)
{
_switchCards[switchCard.Key].DisconnectAll();
}
}
#endregion
#region PublicFunctions
/// <summary>
/// constructor that uses instrument manager for creating an instrument
/// </summary>
/// <param name="instrumentManager"></param>
/// <param name="switchCardNames"></param>
/// <param name="dmmName"></param>
/// <param name="scopeName"></param>
/// <param name="logFileName"></param>
public SwitchMeasurementManager(IInstrumentManager instrumentManager)
{
_logger = LogManager.GetCurrentClassLogger();
_switchCards = new Dictionary<string, ISwitch>();
ICollection<object> switchCardList = instrumentManager.GetInstruments(typeof(ISwitch));
foreach (ISwitch switchCard in switchCardList)
{
_switchCards[switchCard.Name] = switchCard;
_switchCards[switchCard.Name]?.Initialize();
}
ICollection<object> dmmList = instrumentManager.GetInstruments(typeof(IDmm));
if (dmmList.Count > 0)
{
_dmm = (IDmm)dmmList.First();
_dmm.Initialize();
}
ICollection<object> scopeList = instrumentManager.GetInstruments(typeof(IOscilloScope));
if (scopeList.Count > 0)
{
_scope = (IOscilloScope)dmmList.First();
_scope.Initialize();
}
}
/// <summary>
/// Dispose of this objects resources
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1063:ImplementIDisposableCorrectly")]
public void Dispose()
{
try
{
lock (_syncObj)
{
Dispose(true);
GC.SuppressFinalize(this);
}
}
catch (Exception err)
{
try
{
_logger?.Error(err.Message + "\r\n" + err.StackTrace);
}
catch (Exception)
{
//Do not rethrow. Exception from error logger that has already been garbage collected
}
}
}
/// <summary>
/// A getter for the list of frequency measurements (as defined in the input def file)
/// </summary>
/// <returns>A list of frequency measurements</returns>
public List<string> DmmGetFrequencyMeasurementList()
{
lock (_syncObj)
{
List<string> measurements = new List<string>();
foreach (KeyValuePair<string, DMMFrequencyMeasurementFields> entry in DmmFrequencyMeasurements)
{
measurements.Add(entry.Key);
}
return measurements;
}
}
/// <summary>
/// A getter for the list of resistance measurements (as defined in the input def file)
/// </summary>
/// <returns>A list of resistance measurements</returns>
public List<string> DmmGetResistanceMeasurementList()
{
lock (_syncObj)
{
List<string> measurements = new List<string>();
foreach (KeyValuePair<string, DMMResistanceMeasurementFields> entry in DmmResistanceMeasurements)
{
measurements.Add(entry.Key);
}
return measurements;
}
}
/// <summary>
/// Make a DMM frequency measurement
/// </summary>
/// <param name="measurementName">frequency measurement to make (the name from the input def file)</param>
/// <returns>The measured frequency</returns>
public double DmmReadFrequency(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
if (DmmFrequencyMeasurements.ContainsKey(measurementName.ToUpper()) == false)
{
throw new Exception("could not find measurement: " + measurementName);
}
// grab the measurement params
DMMFrequencyMeasurementFields measurement = DmmFrequencyMeasurements[measurementName.ToUpper()];
measurementRelays = measurement._relays;
// close the relays
SwitchRelayClose(measurementRelays);
// wait a bit
Thread.Sleep(measurement._delay);
// make the measurement
_dmm.ConfigureFrequencyMeasurement(Raytheon.Instruments.Dmm.MeasurementFunction.Frequency, Frequency.FromHertz(measurement._voltRange), Frequency.FromHertz(measurement._resolution));
double returnValue = _dmm.MeasureFrequency(100).Hertz;
// Multiply by the scale factor
returnValue = returnValue * measurement._scaleFactor;
// return the measurement
return returnValue;
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a DMM resistance measurement
/// </summary>
/// <param name="measurementName">The resistance measurement to make (the name from the input def file)</param>
/// <returns>The measured resistance</returns>
public double DmmReadResistance(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
ConfigureDmmSettingsAndCloseAnyRelays(measurementName, out measurementRelays, out DMMResistanceMeasurementFields measurement, out MeasurementFunction type);
// make the measurement
_dmm.ConfigureResistanceMeasurement(type, Resistance.FromOhms(measurement._range), Resistance.FromOhms(measurement._resolution));
double returnValue = _dmm.MeasureResistance(100).Ohms;
// Multiply by the scale factor
returnValue *= measurement._scaleFactor;
// return the measurement
return returnValue;
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a DMM resistance measurement up to intNumberOfReadings times or when the measurement is within percentRangeToStopInDecimal of the previous measurement
/// </summary>
/// <returns>The measured resistance</returns>
public double DmmReadResistanceAndStopReadingWithinACertainRange(string measurementName, double percentRangeToStopInDecimal, int maxNumberOfReadings = 50)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
ConfigureDmmSettingsAndCloseAnyRelays(measurementName, out measurementRelays, out DMMResistanceMeasurementFields measurement, out MeasurementFunction type, false);
var returnValue = 0.0;
var lastReadLess = 0.0;
var lastReadPlus = 0.0;
var numOfReadings = 0;
do
{
Thread.Sleep(measurement._delay);
lastReadLess = returnValue * (1 - percentRangeToStopInDecimal);
lastReadPlus = returnValue * (1 + percentRangeToStopInDecimal);
_dmm.ConfigureResistanceMeasurement(type, Resistance.FromOhms(measurement._range), Resistance.FromOhms(measurement._resolution));
returnValue = _dmm.MeasureResistance(100).Ohms;
numOfReadings++;
} while (!(lastReadLess <= returnValue && returnValue <= lastReadPlus) && numOfReadings < maxNumberOfReadings);
returnValue *= measurement._scaleFactor;
return returnValue;
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// A getter for the list of voltage measurements(as defined in the input def file)
/// </summary>
/// <returns>A list of voltage measurements</returns>
public List<string> DmmGetVoltageMeasurementList()
{
lock (_syncObj)
{
List<string> measurements = new List<string>();
foreach (KeyValuePair<string, DMMVoltageMeasurementFields> entry in DmmVoltageMeasurements)
{
measurements.Add(entry.Key);
}
return measurements;
}
}
/// <summary>
/// make a DMM voltage measurement
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns>The measured voltage</returns>
public double DmmReadVoltage(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
if (DmmVoltageMeasurements.ContainsKey(measurementName.ToUpper()) == false)
{
throw new Exception("could not find measurement: " + measurementName);
}
DMMVoltageMeasurementFields measurement = DmmVoltageMeasurements[measurementName.ToUpper()];
measurementRelays = measurement._relays;
//Select DMM Resistance Measurement Type
byte desiredMeasurementType = (byte)measurement._voltageType;
// close the relays
SwitchRelayClose(measurementRelays);
// wait a bit
Thread.Sleep(measurement._delay);
// make the measurement
_dmm.ConfigureVoltageMeasurement(Raytheon.Instruments.Dmm.MeasurementFunction.DCVolts, Voltage.FromVolts(measurement._range), Voltage.FromVolts(measurement._resolution));
double returnVal = _dmm.MeasureVoltage(100).Volts;
// Multiply by the scale factor
returnVal = returnVal * measurement._scaleFactor;
// return the measurement
return returnVal;
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// A getter for the list of scope freq measurements(as defined in the input def file)
/// </summary>
/// <returns>A list of scope freq measurements</returns>
public List<string> ScopeGetFrequencyMeasurementList()
{
lock (_syncObj)
{
List<string> measurements = new List<string>();
foreach (KeyValuePair<string, ScopeFrequencyMeasurementFields> entry in ScopeFreqMeasurements)
{
measurements.Add(entry.Key);
}
return measurements;
}
}
/// <summary>
/// A getter for the list of scope freq measurements(as defined in the input def file)
/// </summary>
/// <returns>A list of scope freq measurements</returns>
public List<string> ScopeGetPulseWidthMeasurementList()
{
lock (_syncObj)
{
List<string> measurements = new List<string>();
foreach (KeyValuePair<string, ScopePulseWidthMeasurementFields> entry in ScopePulseWidthMeasurements)
{
measurements.Add(entry.Key);
}
return measurements;
}
}
/// <summary>
/// Make a fall time measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadFallTime(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
//@@@ port over from RKV
throw new NotImplementedException();
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a frequency measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadFrequency(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
if (ScopeFreqMeasurements.ContainsKey(measurementName.ToUpper()) == false)
{
throw new Exception("could not find measurement: " + measurementName);
}
ScopeFrequencyMeasurementFields measurement = ScopeFreqMeasurements[measurementName.ToUpper()];
measurementRelays = measurement._relays;
// close the relays
SwitchRelayClose(measurementRelays);
// wait a bit
Thread.Sleep(measurement._delay);
// setup channel
_scope.ConfigureChannel(measurement._channelNumber, measurement._timePerDivision, measurement._timeOffset, measurement._voltageOffset, measurement._voltageScale, measurement._inputImpedance);
//Set-up trigger
bool useRisingEdge = true;
if (measurement._edge != ScopeEdge.RISING)
{
useRisingEdge = false;
}
_scope.SetupTrigger(useRisingEdge, measurement._channelNumber, measurement._triggerLevel);
bool hasScopeTriggered = false;
// look for trigger up to the timeout time
DateTime delayEndTime = DateTime.Now.AddMilliseconds(measurement._maxTriggerWaitTime);
while (hasScopeTriggered == false && DateTime.Now < delayEndTime)
{
// wait a bit and check the trigger again
Thread.Sleep(100);
hasScopeTriggered = _scope.HasItTriggered();
}
// Check if scope is triggered.
if (hasScopeTriggered == false)
{
throw new Exception("The scope trigger operation is not completed.");
}
double freq = _scope.MeasureFrequency(measurement._channelNumber);
// save the image
if (measurement._shallWeSaveImage == true)
{
_scope.SaveImage(measurementName);
}
return freq;
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a max voltage measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadMaxVoltage(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
//@@@ port over from RKV
throw new NotImplementedException();
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a min voltage measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadMinVoltage(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
//@@@ port over from RKV
throw new NotImplementedException();
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// make a pulse width measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadPulseWidth(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
if (ScopePulseWidthMeasurements.ContainsKey(measurementName.ToUpper()) == false)
{
throw new Exception("could not find measurement: " + measurementName);
}
ScopePulseWidthMeasurementFields measurement = ScopePulseWidthMeasurements[measurementName.ToUpper()];
measurementRelays = measurement._relays;
// close the relays
SwitchRelayClose(measurementRelays);
// wait a bit
Thread.Sleep(measurement._delay);
// setup channel
_scope.ConfigureChannel(measurement._channelNumber, measurement._timePerDivision, measurement._timeOffset, measurement._voltageOffset, measurement._voltageScale, measurement._inputImpedance);
//Set-up trigger
bool useRisingEdge = true;
if (measurement._edge != ScopeEdge.RISING)
{
useRisingEdge = false;
}
_scope.SetupTrigger(useRisingEdge, measurement._channelNumber, measurement._triggerLevel);
bool hasScopeTriggered = false;
// look for trigger up to the timeout time
DateTime delayEndTime = DateTime.Now.AddMilliseconds(measurement._maxTriggerWaitTime);
while (hasScopeTriggered == false && DateTime.Now < delayEndTime)
{
// wait a bit and check the trigger again
Thread.Sleep(100);
hasScopeTriggered = _scope.HasItTriggered();
}
// Check if scope is triggered.
if (hasScopeTriggered == false)
{
throw new Exception("The scope trigger operation is not completed.");
}
double pulseWidth = _scope.MeasurePulseWidth(measurement._channelNumber);
// save the image
if (measurement._shallWeSaveImage == true)
{
_scope.SaveImage(measurementName);
}
return pulseWidth;
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a rise time measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadRiseTime(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
//@@@ port over from RKV
throw new NotImplementedException();
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
/// Make a voltage level measurement with the scope
/// </summary>
/// <param name="measurementName">The measurement to make(the name from the input def file)</param>
/// <returns></returns>
public double ScopeReadVoltageLevel(string measurementName)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
//@@@ port over from RKV
throw new NotImplementedException();
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
/// <summary>
///
/// </summary>
public void ScopeSelfTest()
{
lock (_syncObj)
{
SelfTestResult res = _scope.PerformSelfTest();
if (res != SelfTestResult.Pass)
{
throw new Exception("did not pass, the result was: " + res.ToString());
}
}
}
/// <summary>
/// Sends a SCPI command to the scope and reads the response
/// </summary>
/// <param name="command">The SCPI command to send</param>
/// <returns></returns>
public string ScopeIOQuery(string command)
{
lock (_syncObj)
{
return _scope.IOQuery(command);
}
}
/// <summary>
/// Sends a SCPI command to the scope
/// </summary>
/// <param name="command">The SCPI command to send</param>
public void ScopeIOWrite(string command)
{
lock (_syncObj)
{
_scope.IOWrite(command);
}
}
/// <summary>
///
/// </summary>
/// <param name="switchControlName"></param>
/// <param name="shallWeClose"></param>
/*public void SwitchControl(string switchControlName, bool shallWeClose)
{
try
{
lock (_syncObj)
{
}
}
catch (Exception)
{
throw;
}
}*/
/// <summary>
/// Closes the switches defined in the config file, then issues a callback to the host to invoke some stimulus and make a measurement, then opens the relays
/// </summary>
/// <param name="switchMeasurementTestName">The measurement to make(the name from the input def file)</param>
/// <param name="callback">The function to call after the switches have been set</param>
public void SwitchMeasurement(string switchMeasurementTestName, SwitchMeasurementDelegate callback)
{
// hold onto the relays for the catch
List<string> measurementRelays = null;
try
{
lock (_syncObj)
{
if (SwitchMeasurements.ContainsKey(switchMeasurementTestName.ToUpper()) == false)
{
throw new Exception("could not find measurement: " + switchMeasurementTestName);
}
// grab the relays
measurementRelays = SwitchMeasurements[switchMeasurementTestName]._relays;
// close the relays
SwitchRelayClose(measurementRelays);
//Call the Callback for Measurement so the host can do what they need to do
callback();
}
}
catch (Exception)
{
throw;
}
finally
{
// open the relays
if (measurementRelays != null)
{
SwitchRelayOpen(measurementRelays);
}
}
}
#endregion
}
}