/// <summary>
/// Method called when a GPS event occured.
/// This is where we call the methods that parses each kind of NMEA sentence
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void GPSDataEventHandler(object sender, SerialPort.GPSEventArgs e)
{
switch (e.TypeOfEvent)
{
case GPSEventType.GPRMC:
ParseRMC(e.Sentence);
break;
case GPSEventType.GPGGA:
ParseGGA(e.Sentence);
break;
case GPSEventType.GPGLL:
ParseGLL(e.Sentence);
break;
case GPSEventType.GPGSA:
ParseGSA(e.Sentence);
break;
case GPSEventType.GPGSV:
ParseGSV(e.Sentence);
break;
case GPSEventType.PGRME:
ParseRME(e.Sentence);
break;
case GPSEventType.TimeOut:
FireTimeOut();
break;
case GPSEventType.Unknown:
GPSEventArgs e2 = new GPSEventArgs();
e2.TypeOfEvent = e.TypeOfEvent;
e2.Sentence = e.Sentence;
_NewGPSFix(this, e2);
break;
default: break;
}
}
private void btConnect_Click(object sender, EventArgs e)
{
if (ntripStarted)
{
try
{
if (ntrip != null)
ntrip.StopNTRIP();
foreach (SerialPort port in Coms)
{
port.Stop();
}
Coms.Clear();
ntripStarted = false;
btConnect.Text = "Connect";
}
catch (Exception ex)
{
tbRTCM.AppendText(ex.Message + "\n");
}
}
else
{
try
{
if (ntrip == null)
ntrip = new SharpGis.SharpGps.NTRIP.NTRIPClient(new System.Net.IPEndPoint(System.Net.IPAddress.Parse(tbNTRIPServerIP.Text.Trim()), int.Parse(tbNTRIPPort.Text)), tbNTRIPUser.Text, tbNTRIPPasswd.Text);
ntrip.NTripDataReceived += ntrip_NTripDataReceived;
foreach (string com in frmNtripSettings.COMs)
{
string[] portrate = com.Split(',');
SerialPort port = new SerialPort(portrate[0], int.Parse(portrate[1]));
if (port.Port == frmNtripSettings.ReCom)
port.NewGPSData += port_NewGPSData;
port.Start();
Coms.Add(port);
}
ntrip.StartNTRIP(cbMountPoints.Text);
ntripStarted = true;
btConnect.Text = "Connected";
}
catch (Exception ex)
{
tbRTCM.AppendText(ex.Message + "\n");
}
}
}
/// <summary>
/// Disposes the GpsHandler and if nessesary calls Stop()
/// </summary>
public void Dispose()
{
if (!disposed)
{
Stop();
GpsPort.Dispose();
this.GPGGA = null;
this.GPGLL = null;
this.GPGSA = null;
this.GPRMC = null;
this.PGRME = null;
GpsPort = null;
//this.GPGSV = null;
disposed = true;
}
GC.SuppressFinalize(this);
}
void port_NewGPSData(object sender, SerialPort.GPSEventArgs e)
{
if (e.TypeOfEvent == GPSEventType.GPGGA)
{
ntrip.MostRecentGGA = e.Sentence;
}
}