//This function runs in a separate thread and handles processing and parsing of the GPS data
public static void GPSupdate()
{
Console.WriteLine("GPS Processing Thread Started");
while (Program.runTranceiver)
{
do
{
String GPSinData = GPSin.ReadLine();
ParseGPS.parseNMEAstring(GPSinData);
if (ParseGPS.getCommand() == 0)
{
//Console.Clear();
if (ParseGPS.findSignal())
{
float[] latlog = ParseGPS.getCoordinates();
char[] Compass = ParseGPS.getCompass();
//Console.WriteLine("Latitude - " + latlog[0] + " " + Compass[0] + " Longitude - " + latlog[1] + " " + Compass[1]);
List <String> TimeList = ParseGPS.getTime();
String[] assemStr = new String[] { "0x", String.Format("{0:X}", devID), ",", ParseGPS.NMEAstring[2], ",", Compass[0].ToString(), ",", ParseGPS.NMEAstring[4], ",", Compass[1].ToString(), ",", TimeList[0], ",", TimeList[1], ",", TimeList[2].Substring(0, 3) };
deviceData = String.Join("", assemStr);
//Console.WriteLine("Time: " + TimeList[0] + ":" + TimeList[1] + ":" + TimeList[2]);
}
else
{
deviceData = ("0x" + String.Format("{0:X}", devID) + "," + noSignalStr);
//Console.WriteLine("No Signal Found");
}
}
} while (ParseGPS.getCommand() != 0);
}
}
public static char[] getCompass()
{
char[] Compass = new char[2];
Compass[0] = char.Parse(NMEAstring[3 - ParseGPS.getCommand()]);
Compass[1] = char.Parse(NMEAstring[5 - ParseGPS.getCommand()]);
return(Compass);
}
//Returns latitute and longitude as an array of 2 floating point numbers
public static float[] getCoordinates()
{
float[] latLog = new float[2];
latLog[0] = float.Parse(NMEAstring[2 - ParseGPS.getCommand()]);
latLog[1] = float.Parse(NMEAstring[4 - ParseGPS.getCommand()]);
return(latLog);
}
//Input a GGA string and this function will reply with the state of the network fix
public static bool findSignal()
{
if ((ParseGPS.getCommand() == 0) && (Int32.Parse(NMEAstring[6]) != 0))
{
return(true);
}
return(false);
}
//Returns a list of strings for the coordinates, sorting the angle from the bearing
public static List <String> getCoordStr()
{
List <String> latlogStr = new List <String>();
String lat = NMEAstring[2 - ParseGPS.getCommand()];
String log = NMEAstring[4 - ParseGPS.getCommand()];
latlogStr.Add(lat.Substring(0, 2));
latlogStr.Add(lat.Substring(2, 5));
latlogStr.Add(log.Substring(0, 3));
latlogStr.Add(log.Substring(3, 5));
return(latlogStr);
}
public static List <String> getTime()
{
List <String> TimeList = new List <String>();
String Time = NMEAstring[1 - ParseGPS.getCommand()];
String hours = Time.Substring(0, 2);
String mins = Time.Substring(2, 2);
String secs = Time.Substring(4, 5);
TimeList.Add(hours);
TimeList.Add(mins);
TimeList.Add(secs);
return(TimeList);
}
