/// <summary>
/// Called when the string or percentage property is set by Chromeleon.
/// Note that one handler can handle several properties as well.
/// </summary>
/// <param name="args">The SetPropertyEventArgs contain both a reference to
/// the property being set and the new value.</param>
private void OnSetProperty(SetPropertyEventArgs args)
{
// Find out which property was meant.
if (args.Property == m_AnyTextProperty)
{
SetStringPropertyEventArgs stringArgs = args as SetStringPropertyEventArgs;
m_MyString = stringArgs.NewValue;
m_AnyTextProperty.Update(m_MyString);
}
else if (args.Property == m_PercentageProperty)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
Debug.Assert(doubleArgs.NewValue.HasValue);
m_Percentage = doubleArgs.NewValue.Value;
m_PercentageProperty.Update(m_Percentage);
}
else if (args.Property == m_FilterTimeConstantProperty)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
Debug.Assert(doubleArgs.NewValue.HasValue);
m_FilterTimeConstantProperty.Update(doubleArgs.NewValue.Value);
}
else if (args.Property == m_MeasurementRangeProperty)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
Debug.Assert(doubleArgs.NewValue.HasValue);
m_MeasurementRangeProperty.Update(doubleArgs.NewValue.Value);
}
else
{
// This mustn't happen.
Debug.Fail("Unknown property.");
}
}
void m_MyDoubleProperty_OnSetProperty(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
Double?newValue = doubleArgs.NewValue;
m_MyDoubleProperty.Update(doubleArgs.NewValue);
}
private void OnSetPressureUpperLimit(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
m_Device.AuditMessage(AuditLevel.Normal, "Pressure.UpperLimit is set to " + doubleArgs.NewValue.Value.ToString() + " bar");
m_PressureUpperLimit.Update(doubleArgs.NewValue.Value);
}
void genericHandler(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
Double? newValue = doubleArgs.NewValue;
IDoubleProperty doubleProperty = args.Property as IDoubleProperty;
doubleProperty.Update(doubleArgs.NewValue);
}
void m_dcr_OnSetProperty(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs dblArgs = args as SetDoublePropertyEventArgs;
if (dblArgs != null)
{
m_dcr.Update(dblArgs.NewValue);
}
}
void m_RateProperty_OnSetProperty(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
m_RateProperty.Update(doubleArgs.NewValue);
// For the time stamped channel rate and timestep are different.
// The rate determines at which rate data points are to be sent;
// The timestep determines how the timestamps are encoded.
}
private void OnSetTemperature(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doublePropertyArgs = args as SetDoublePropertyEventArgs;
Debug.Assert(doublePropertyArgs.NewValue.HasValue);
m_NominalTempProperty.Update(doublePropertyArgs.NewValue.Value);
// A real hardware would need some time to reach the new temperature.
Thread.Sleep(1000);
m_CurrentTempProperty.Update(doublePropertyArgs.NewValue.Value);
}
/// <summary>
/// Called when a Percentage property is set by Chromeleon.
/// </summary>
/// <param name="args">The SetPropertyEventArgs contain both a reference to
/// the property being set and the new value.</param>
private void m_RampedPercentageProperty_OnSetProperty(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
Debug.Assert((doubleArgs != null) && doubleArgs.NewValue.HasValue);
// Write a message to the audit trail
String message = String.Format(CultureInfo.InvariantCulture, "m_RampedPercentageProperty_OnSetProperty(time: {1} newValue: {0})", doubleArgs.NewValue, RetentionToString(args.RetentionTime));
m_MyCmDevice.AuditMessage(AuditLevel.Message, message);
m_FlowHandler.ComponentProperties[1].Update(doubleArgs.NewValue.Value);
}
public static Nullable <double> GetDoubleNullable(SetPropertyEventArgs args)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
if (doubleArgs == null)
{
throw new ArgumentException("Parameter args type " + args.GetType().FullName + " is not " + typeof(SetDoublePropertyEventArgs));
}
return(doubleArgs.NewValue);
}
private void OnSetVolume(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs setVolumeArgs =
args as SetDoublePropertyEventArgs;
if (setVolumeArgs.NewValue.HasValue)
{
m_Volume = setVolumeArgs.NewValue.Value;
m_InjectHandler.VolumeProperty.Update(m_Volume);
}
else
{
m_MyCmDevice.AuditMessage(AuditLevel.Error, "Invalid volume.");
}
}
void m_RateProperty_OnSetProperty(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
m_RateProperty.Update(doubleArgs.NewValue);
// Our rate determines TimeStepFactorProperty and TimeStepDivisorProperty:
// TimeStepDivisorProperty / TimeStepFactorProperty = RateProperty /100 Hz
// TimeStepFactorProperty and TimeStepDivisorProperty must be integers.
// To keep it simple we set TimeStepFactorProperty = 10000 and calcutate
// TimeStepDivisorProperty from the rate:
// TimeStepDivisorProperty = RateProperty * 100
m_MyCmDevice.TimeStepDivisorProperty.Update(
(int)(doubleArgs.NewValue.Value * 100.0));
m_MyCmDevice.TimeStepFactorProperty.Update(10000);
}
private void OnSetFlow(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
double newFlow = doubleArgs.NewValue.Value;
m_Device.AuditMessage(AuditLevel.Normal, "Flow is set to " + newFlow.ToString() + " ml/min");
m_FlowHandler.FlowNominalProperty.Update(newFlow);
// Usually the value would be update from the hardware during some status poll.
m_FlowHandler.FlowValueProperty.Update(newFlow);
// The pressure would also change somehow.
// We emulate this by deriving a pressure form the flow.
m_PressureValue.Update(newFlow * 40);
}
private void m_RampedPercentageProperty_OnPreflightSetProperty(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doubleArgs = args as SetDoublePropertyEventArgs;
if ((doubleArgs == null) || !doubleArgs.NewValue.HasValue)
{
return;
}
// Write a message to the preflight results
String message = String.Format(CultureInfo.InvariantCulture, "m_RampedPercentageProperty_OnPreflightSetProperty(time: {1} newValue: {0})", doubleArgs.NewValue, RetentionToString(args.RetentionTime));
#if (PreflightMessagesToCM)
m_MyCmDevice.AuditMessage(AuditLevel.Warning, message);
#else
Debug.WriteLine("PreflightMessage: " + message);
#endif
}
/// <summary>
/// Called when the "SetPercentage" command is sent by Chromeleon.
/// </summary>
/// <param name="args">The CommandEventArgs contain a reference to
/// the command being called and the argument list.</param>
private void OnSetPercentage(CommandEventArgs args)
{
Debug.Assert(args.Command == m_SetPercentageCommand);
// Get the parameter
IDoubleParameterValue percentValue =
args.ParameterValue(m_SetPercentageCommand.FindParameter("Value")) as IDoubleParameterValue;
Debug.Assert(percentValue != null, "Required parameter is missing!");
Debug.Assert(percentValue.Value.HasValue);
double newValue = percentValue.Value.Value;
// We use the OnSetProperty handler to set the property. This avoids code duplication.
// The last two parameters are not used by our handler, so it is safe to set them to null.
SetDoublePropertyEventArgs doubleArgs =
new SetDoublePropertyEventArgs(m_PercentageProperty, newValue, null, null);
OnSetProperty(doubleArgs);
}
public void OnSetWaveLength(SetPropertyEventArgs args)
{
SetDoublePropertyEventArgs doublePropertyArgs = args as SetDoublePropertyEventArgs;
m_WavelengthProperty.Update(doublePropertyArgs.NewValue.Value);
}
