/// <summary>
/// Calculates average of the current input channel over the time span.
/// </summary>
public double TimeAvg(int timeSpanSec, int maxPointCount, double cnlVal)
{
TimeAvgItem timeAvgItem = GetOrAddTimeAvgItem(CnlNum, timeSpanSec, maxPointCount);
timeAvgItem.Append(cnlVal);
return(timeAvgItem.Avg);
}
/// <summary>
/// Adds a new or gets an existing TimeAvgItem.
/// </summary>
public TimeAvgItem GetOrAddTimeAvgItem(int cnlNum, int timeSpanSec, int maxPointCount)
{
MovAvgItem movAvgItem;
if (MovAvgItems.TryGetValue(cnlNum, out movAvgItem) && movAvgItem is TimeAvgItem)
{
return((TimeAvgItem)movAvgItem);
}
else
{
TimeAvgItem timeAvgItem = new TimeAvgItem(timeSpanSec, maxPointCount);
MovAvgItems[cnlNum] = timeAvgItem;
return(timeAvgItem);
}
}