public RingCollection <SensorValue> CreateHistory(RingCollection <SensorValue> values)
{
values.Clear();
// Create a sorted list of all sensor log times
List <DateTime> times = new List <DateTime>();
foreach (ISensor s in used)
{
foreach (SensorValue v in s.Values)
{
times.Add(v.Time);
}
}
times.Sort((a, b) => b.CompareTo(a));
foreach (DateTime cur in times)
{
float val = ParseOutput(cur);
values.Append(new SensorValue(val, cur));
}
if (values.Count > 0)
{
values.Last = new SensorValue(ParseOutput(), DateTime.UtcNow);
}
return(values);
}
private void AppendValue(float value, DateTime time)
{
if (values.Count >= 2 && values.Last.Value == value && values[values.Count - 2].Value == value)
{
values.Last = new SensorValue(value, time);
return;
}
values.Append(new SensorValue(value, time));
}
private void AppendValue(float value, DateTime time)
{
if (values.Count >= 2 && values.Last.Value == value &&
values[values.Count - 2].Value == value)
{
values.Last = new SensorValue(value, time);
return;
}
values.Append(new SensorValue(value, time));
// Calculate moving average
if (!float.IsNaN(value))
{
if (avgValue == null)
{
avgValue = 0.0f;
}
countForAvg += 1;
avgValue = ((avgValue * (countForAvg - 1)) + value) / countForAvg;
}
}