private void refresh()
{
if (downCounter == null || upCounter == null)
{
downSpeed = 0;
upSpeed = 0;
return;
}
if (downCounter.NextSample() == null || upCounter.NextSample() == null)
{
downSpeed = 0;
upSpeed = 0;
return;
}
downValue = downCounter.NextSample().RawValue;
upValue = upCounter.NextSample().RawValue;
downSpeed = (downValue - downValueOld) / (UpdateInterval / 1000d);
upSpeed = (upValue - upValueOld) / (UpdateInterval / 1000d);
downValueOld = downValue;
upValueOld = upValue;
//Avg.
AdownSpeed[ArrayPtr] = downSpeed;
AupSpeed[ArrayPtr] = upSpeed;
ArrayPtr = (ArrayPtr + 1) % 5;
//history
upspeedActrual.RemoveAt(upspeedActrual.Count - 1);
upspeedActrual.Insert(0, upSpeed);
upspeedRelative = upspeedActrual.ToList();
GetRelative(ref upspeedRelative);
downspeedActrual.RemoveAt(downspeedActrual.Count - 1);
downspeedActrual.Insert(0, downSpeed);
downspeedRelative = downspeedActrual.ToList();
GetRelative(ref downspeedRelative);
void GetRelative(ref List <double> Relative)
{
double max = Relative.Max();
if (max > 0)
{
for (int i = 0; i < Relative.Count; i++)
{
Relative[i] = Relative[i] / max * 100;
}
}
}
}
