protected void gps_LocationChanged(object sender, LocationChangedEventArgs args)
{
ControlUpdater cu = UpdateControl;
updateDataHandler = new EventHandler(UpdateData);
position = args.Position;
if (locationfrm != null)
{
if (position.LatitudeValid)
{
Invoke(cu, locationfrm.LatitudeLbl, position.Latitude.ToString()); // delgate method,Control on form, value to be updated
}
if (position.LongitudeValid)
{
Invoke(cu, locationfrm.LongitudeLbl, position.Longitude.ToString());
}
if (position.SatellitesInSolutionValid &&
position.SatellitesInViewValid &&
position.SatelliteCountValid)
{
Invoke(cu, locationfrm.SatelliteInfolbl, satelliteinfo += "Satellite Count: " + position.GetSatellitesInSolution().Length.ToString() + "/" +
position.GetSatellitesInView().Length.ToString() + " (" +
position.SatelliteCount.ToString() + ")\n");
}
}
// call the UpdateData method via the updateDataHandler so that we
if (!Reminder_Occurs)
{
Invoke(updateDataHandler);
}
}
void gps_LocationChanged(object sender, GpsPosition position)
{
try
{
if (position != null)
{
count++;
//Debug.WriteLine("LocationChanged: " + DateTime.Now.ToLongTimeString() + " -> " + count);
if (position.Time.HasValue && position.Latitude.HasValue && position.Longitude.HasValue)
{
//Debug.WriteLine("Location: " + position.Latitude.Value + "|" + position.Longitude.Value);
// first time
if (!TimeUTC.HasValue)
{
TimeUTC = position.Time;
Lat = position.Latitude;
Lng = position.Longitude;
}
if (TimeUTC.HasValue && position.Time - TimeUTC.Value >= delay)
{
Delta = gps.GetDistance(position.Latitude.Value, position.Longitude.Value, Lat.Value, Lng.Value);
Total += Delta;
Lat = position.Latitude;
Lng = position.Longitude;
TimeUTC = position.Time;
AddToLogCurrentInfo(position);
}
}
else
{
Lat = position.Latitude;
Lng = position.Longitude;
TimeUTC = position.Time;
}
// do not update if user is idling
if (IsVisible)
{
lock (Satellites)
{
Satellites.Clear();
Satellites.AddRange(position.GetSatellitesInView());
Satellites.TrimExcess();
}
Invoke(updateDataHandler, position);
}
}
}
catch (Exception ex)
{
Debug.WriteLine("gps_LocationChanged: " + ex);
}
}
//set list of active satellites
public void setSatellite(GpsPosition position)
{
if (position.GetSatellitesInSolution() == null)
{
satelliteList = new List <Satellite>();
}
else
{
satelliteList = position.GetSatellitesInView().ToList();
}
}
void UpdateData(object sender, System.EventArgs args)
{
if (gps.Opened)
{
string str = "";
if (device != null)
{
str = device.FriendlyName + " " + device.ServiceState + ", " + device.DeviceState + "\n";
}
if (position != null)
{
if (position.LatitudeValid)
{
str += "Latitude (DD):\n " + position.Latitude + "\n";
str += "Latitude (D,M,S):\n " + position.LatitudeInDegreesMinutesSeconds + "\n";
}
if (position.LongitudeValid)
{
str += "Longitude (DD):\n " + position.Longitude + "\n";
str += "Longitude (D,M,S):\n " + position.LongitudeInDegreesMinutesSeconds + "\n";
}
if (position.SatellitesInSolutionValid &&
position.SatellitesInViewValid &&
position.SatelliteCountValid)
{
str += "Satellite Count:\n " + position.GetSatellitesInSolution().Length + "/" +
position.GetSatellitesInView().Length + " (" +
position.SatelliteCount + ")\n";
}
if (position.TimeValid)
{
str += "Time:\n " + position.Time.ToString() + "\n";
}
}
status.Text = str;
}
}
void UpdateData(object sender, System.EventArgs args)
{
try
{
if (gps.Opened)
{
string str = "";
if (device != null)
{
str = "Name: '" + device.FriendlyName + "' Svc: '" + device.ServiceState + "', Dvc: '" + device.DeviceState + "'\r\n";
}
else
{
str = "Name: '' Svc:''\r\n";
}
if (position != null)
{
//if all valid
if ((((((this.position.LatitudeValid && this.position.LongitudeValid) && this.position.SatellitesInSolutionValid) && this.position.SatellitesInViewValid) && this.position.SatelliteCountValid) && this.position.TimeValid) && (this.position.SatelliteCount > 2))
{
m_FixValid = true;
if (m_XMLLogging)
{
this.position2XMLFile(this.position);
}
}
else
{
m_FixValid = false;
}
//Latitude
if (position.LatitudeValid)
{
str += "Lat: " + position.Latitude.ToString("00.000") + " ";
//str += "Lat (D,M,S): " + position.LatitudeInDegreesMinutesSeconds + "\r\n";
}
else
{
str += "Lat: --.--- ";
}
//Longitude
if (position.LongitudeValid)
{
str += "Lon: " + position.Longitude.ToString("00.000") + "\r\n";
//str += "Lon (D,M,S): " + position.LongitudeInDegreesMinutesSeconds + "\r\n";
}
else
{
str += "Lon: --.---\r\n";
}
//sat in view and in solution
if (position.SatellitesInSolutionValid &&
position.SatellitesInViewValid &&
position.SatelliteCountValid)
{
str += "Sat. Count: " + position.GetSatellitesInSolution().Length + "/" +
position.GetSatellitesInView().Length + " (" +
position.SatelliteCount + ")\r\n";
}
//list sats in solution
if (position.SatellitesInSolutionValid)
{
satSol = position.GetSatellitesInSolution();
}
//list sats in view and there signal
if (position.SatellitesInViewValid)
{
/* Satellite[] */
sats = position.GetSatellitesInView();
str += "SV:";
foreach (Satellite sat in sats)
{
str += sat.Id.ToString("00") + " ";
}
str += "\r\nSN:";
foreach (Satellite sat in sats)
{
str += sat.SignalStrength.ToString("00") + " ";
}
str += "\r\n";
panel1.Invalidate();
}
else
{
//panel1.Invalidate();
}
//time
if (position.TimeValid)
{
str += "Time: " + position.Time.ToString() + "\r\n";
if (m_FixValid)
{
SetTimeToGPS(position.Time);
}
}
//fixtype
FixType fx = position.eFixType;
switch (fx)
{
case FixType.Unknown: str += "FixType: Unknown\r\n";
break;
case FixType.XyD: str += "FixType: 2D\r\n";
break;
case FixType.XyzD: str += "FixType: 3D\r\n";
break;
}
//fix quality
FixQuality fq = position.eFixQuality;
switch (fq)
{
case FixQuality.Unknown: str += "FixQuality: Unknown\r\n";
break;
case FixQuality.Gps: str += "FixQuality: GPS\r\n";
break;
case FixQuality.DGps: str += "FixQuality: DGPS\r\n";
break;
}
}
panel1.Invalidate();
status.Text = str;
}
}
catch (NullReferenceException)
{
}
}
