public override string Update(DateTime now, TimeSpan elapsed)
{
bool value = (now.Second % 2) == 0;
if (_value == value)
{
return(null);
}
_value = value;
return(DCSInterfaceLoadTester.Format(Data.Format, value ? 1d : 0d));
}
public override string Update(DateTime now, TimeSpan elapsed)
{
double value;
if (!_zeroTime.HasValue)
{
_zeroTime = now;
value = 0;
}
else
{
TimeSpan rampSpan = now.Subtract(_zeroTime.Value);
double x = rampSpan.TotalSeconds / RAMP_TIME;
if (x <= 1.0)
{
// ramping up
value = x * _range;
}
else if (x <= 2.0)
{
// ramping down
value = (2 - x) * _range;
}
else if (x < 3.0)
{
// rest at zero
value = 0d;
}
else
{
// reset the cycle
value = 0d;
_zeroTime = now;
}
}
return(DCSInterfaceLoadTester.Format(Data.Format ?? "%.3f", value));
}