//Deal with GPS data from UDP
private void UDPPortTaskActive(object sender, SendUDPPortArgs args)
{
if (args.ThreadEnd != false) //Serial Port Task has not ended .. it shouldnt
{
if (args.gpsData != null) //dont process string if its null... will it ever be null?
{
GPSDataProcessing gPSDataString = new GPSDataProcessing(); //create instance of GPS claas
gPSDataString.Process(args.gpsData); //pass data to class
}
NewGPSDataRecieved(args.gpsData);
}
else
{
UnexpectedThreadEnd(2);
}
}
private void NewGPSDataRecieved(string gpsDataLine)// sort it out and send to UI
{
bool postLat = false;
bool postLon = false;
bool postalt = false;
bool postQual = false;
bool postHDOP = false;
bool postPDOP = false;
bool postCM = false;
bool postKph = false;
bool postVDOP = false;
GPSData tempGPSData = new GPSData(); //local store from class
GPSDataProcessing newGPSData = new GPSDataProcessing(); //send stringto class for processing and store the returned data
tempGPSData = newGPSData.Process(gpsDataLine);
if (tempGPSData.Lat != -1)
{
currentGPSData.Lat = tempGPSData.Lat; postLat = true;
} //we have lat
if (tempGPSData.Lon != -1)
{
currentGPSData.Lon = tempGPSData.Lon; postLon = true;
} //we have lon
if (tempGPSData.Alt != -1)
{
currentGPSData.Alt = tempGPSData.Alt; postalt = true;
} //we have alt reading
if (tempGPSData.GpsQuality != -1)
{
currentGPSData.GpsQuality = tempGPSData.GpsQuality; postQual = true;
} //we have quality
if (tempGPSData.HDOP != -1)
{
currentGPSData.HDOP = tempGPSData.HDOP; postHDOP = true;
} //we have HDOP
if (tempGPSData.PDOP != -1)
{
currentGPSData.PDOP = tempGPSData.PDOP; postPDOP = true;
} //we have PDOP
if (tempGPSData.SpeedCMs != -1)
{
currentGPSData.SpeedCMs = tempGPSData.SpeedCMs; postCM = true;
} //we have speed in cm
if (tempGPSData.SpeedKph != -1)
{
currentGPSData.SpeedKph = tempGPSData.SpeedKph; postKph = true;
} //we have speed in kph
if (tempGPSData.VDOP != -1)
{
currentGPSData.VDOP = tempGPSData.VDOP; postVDOP = true;
} //we have VDOP
Dispatcher.BeginInvoke(new Action(() =>
{
//deal with 0 data
if (postLat & postLon) //display lat and long
{
textboxLatitude.Text = tempGPSData.Lat.ToString();
textboxLongitude.Text = tempGPSData.Lon.ToString();
}
if (postalt) //post altitude
{
textboxAltitude.Text = tempGPSData.Alt.ToString();
}
if (postCM) //we will always have Kph if CM
{
if (tempGPSData.SpeedKph < 1) //if we are slower than 1kph
{
//post cm to screen
textBlockSpeed.Text = "Speed (cm/s)";
textboxSpeed.Text = tempGPSData.SpeedCMs.ToString();
}
else
{
//post as KPH
textBlockSpeed.Text = "Speed (kph)";
textboxSpeed.Text = tempGPSData.SpeedKph.ToString();
}
}
}), DispatcherPriority.Background);
}
