/// <summary>
/// This method is used to retrieve the current value of the display item. Note that
/// this method does not cache any values. Therefore each time it is called, the meter
/// will be interrogated to get the actual value that would be shown on the meter's display
/// </summary>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/15/06 mah 8.00.00 N/A Created
/// </remarks>
protected void GetDisplayItemValue(ref SCSDevice device)
{
String strValue;
switch (RegisterClass)
{
case SCSDisplayClass.EnergyValue: strValue = GetEnergyValue(ref device);
break;
case SCSDisplayClass.InstantaneousValue:
int nAddress = device.TranslateDisplayAddress(this);
if (nAddress != 0)
{
strValue = device.ReadFloatingPointValue(nAddress).ToString("######0.000", CultureInfo.InvariantCulture);
if (strValue.Length > 0)
{
// Now that we have a value that we can display we need to format it to match
// the display format currently configured in the meter
strValue = FormatDisplayValue(strValue, device.DemandFormat);
}
}
else
{
strValue = "";
}
break;
case SCSDisplayClass.DemandValue: strValue = GetDemandValue(ref device);
break;
case SCSDisplayClass.MaxDemandValue: strValue = GetMaxDemandValue(ref device);
break;
case SCSDisplayClass.CumulativeValue: strValue = GetCumulativeValue(ref device);
break;
case SCSDisplayClass.IntegerBCD: strValue = GetBCDValue(ref device);
break;
case SCSDisplayClass.DateValue: strValue = GetDateValue(ref device);
break;
case SCSDisplayClass.TimeValue: strValue = GetTimeValue(ref device);
break;
case SCSDisplayClass.ASCIIValue: strValue = GetAsciiValue(ref device);
break;
case SCSDisplayClass.FixedBCD: strValue = GetFixedBCDValue(ref device);
break;
case SCSDisplayClass.FloatingPointBCD: strValue = device.ReadFloatingBCDValue(device.TranslateDisplayAddress(this), 4);
break;
case SCSDisplayClass.TotalContinuousCumulativeValue: strValue = GetCCumValue(ref device);
break;
case SCSDisplayClass.BinaryValue: strValue = GetBinaryValue(ref device);
break;
case SCSDisplayClass.ExtendedBCDValue: strValue = GetFixedBCDValue(ref device);
break;
case SCSDisplayClass.TOUContinuousCumulativeValue: strValue = GetCCumValue(ref device);
break;
default:
strValue = "";
break;
}
Value = strValue;
}
