private void sp_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
string result = "";
result = TrimPacket(this.Read());
if (this.GetPacketType(result) == "d")
{
WUData wu = new WUData();
wu = this.Populate(result);
//Now decide if we need to raise the event
long current_time = DateTime.Now.Ticks / 10000000;
bool raise = false;
// If the time passed is greater than the sampling rate, or if
// the difference in watts since the last recorded reading is greater than
// the threshold, then we will want to raise an event
long time_delta = System.Math.Abs(current_time - last_raised_event_time);
if (time_delta >= this.SamplingRate)
{
raise = true;
}
else
{
double watt_delta = System.Math.Abs(wu.Watts - last_reading);
if (this.IsUseWattsDelta && watt_delta >= this.WattsThreshold)
{
raise = true;
}
}
// Raise the event, and set the time and watts reading to the current values
if (raise)
{
this.wu_OnWuReading(wu);
last_raised_event_time = current_time;
last_reading = wu.Watts;
}
// Now check to see if the InternalSamplingRate has changed since the last time we
// looked. If it has, reset it.
if (last_internal_sampling_rate == -1)
{
last_internal_sampling_rate = this.InternalSamplingRate;
}
else
{
double sampling_delta = last_internal_sampling_rate - this.InternalSamplingRate;
if (sampling_delta != 0 && sp.IsOpen == true)
{
this.Write(WUCommands.ExternalModeStartString + this.InternalSamplingRate.ToString() + WUCommands.ExternalModeEndString);
}
}
}
}
/// Populate the data structure by parsing the v.
private WUData Populate(string packet)
{
WUData wd = new WUData();
wd.Record = packet;
wd.Time = DateTime.Now;
wd.Watts = StringToDouble(GetArg(packet, 3));
if (wd.Watts != -1)
{
wd.Watts = wd.Watts / 10.0;
}
wd.Volts = DivideByTen(GetArg(packet, 4));
wd.Amps = DivideByTen(GetArg(packet, 5));
wd.WattHours = DivideByTen(GetArg(packet, 6));
wd.Cost = DivideByTen(GetArg(packet, 7));
wd.WattHoursPerMonth = DivideByTen(GetArg(packet, 8));
wd.CostPerMonth = DivideByTen(GetArg(packet, 9));
wd.WattMax = DivideByTen(GetArg(packet, 10));
wd.WattMin = DivideByTen(GetArg(packet, 13));
return(wd);
}
protected virtual void wu_OnWuReading(WUData wu)
{
RaiseEvent(this.OnWuReading, (object)this, new WuReadingEventArgs(wu));
}
public WuReadingEventArgs(WUData wudata)
{
this.wuData = wudata;
}