public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("Global Positioning System Fix Data");
sb.AppendLine("Fix taken at:\t" + Time.ToLongTimeString());
sb.AppendLine("Latitude:\t" + Latitude + LatHeading);
sb.AppendLine("Longitude:\t" + Longitude + LongHeading);
sb.AppendLine("Fix quality:\t" + NMEA_Parser.QualityName(Quality));
sb.AppendLine("Satellites:\t" + Satelites);
sb.AppendLine("Dilution:\t" + Dilution);
sb.AppendLine("Altitude:\t" + Altitude + AltMeasure);
sb.AppendLine("Mean Sea Level:\t" + WGS84 + WGS84Measure);
return(sb.ToString());
}
public GPS_Data(string[] sa)
{
Time = NMEA_Parser.parseUTC(sa[1]);
Latitude = rawToDeg(sa[2]);
LatHeading = sa[3];
Longitude = rawToDeg(sa[4]);
LongHeading = sa[5];
Quality = int.Parse(sa[6]);
Satelites = int.Parse(sa[7]);
Dilution = float.Parse(sa[8], System.Globalization.NumberStyles.Any);
Altitude = float.Parse(sa[9], System.Globalization.NumberStyles.Any);
AltMeasure = sa[10];
WGS84 = float.Parse(sa[11], System.Globalization.NumberStyles.Any);
WGS84Measure = sa[12];
}
static void Main(string[] args)
{
if (args.Length > 0)
{
if (!File.Exists("/dev/ttyUSB0"))
{
return;
}
bool parse = ParseArgs(args, "p", "parse");
bool settime = ParseArgs(args, "s", "set", "settime");
bool once = ParseArgs(args, "o", "once");
bool raw = ParseArgs(args, "r", "raw");
if (settime)
{
parse = true;
raw = false;
once = true;
}
if (once)
{
parse = true;
raw = false;
}
SerialPort sp = new SerialPort("/dev/ttyUSB0", 9600, Parity.None, 8, StopBits.One);
sp.Open();
Console.Clear();
NMEA_Parser parser = new NMEA_Parser();
bool hasFix = true;
while (true)
{
if (parse)
{
string s = sp.ReadLine();
GPS_Data data = parser.GPGGA(s);
DateTime dt = parser.GPZDA(s);
if (data != null)
{
Console.WriteLine(data.ToString());
Console.WriteLine();
hasFix = true;
}
else if (dt.Ticks > 0)
{
if (dt.Ticks > 0)
{
//"HH:MM:SS MM/DD/YYYY"
if (settime)
{
Console.WriteLine("Set Time to:");
Process p = Process.Start("date", "-s \"" + dt.ToString().Replace(".", "/") + "\"");
while (!p.HasExited)
{
;
}
}
else
{
Console.WriteLine(dt.ToString());
Console.WriteLine();
}
if (once)
{
break;
}
hasFix = true;
Console.SetCursorPosition(0, 0);
}
}
else
{
if (hasFix)
{
Console.WriteLine("No Fix available!");
}
hasFix = false;
}
}
if (raw)
{
Console.Write(sp.ReadExisting());
}
}
sp.Close();
}
else
{
Console.WriteLine("Usage:");
foreach (string s in arguments)
{
Console.Write("gps.exe "); Console.WriteLine(s);
}
Console.WriteLine("Set Time requires root permissions!");
Console.WriteLine();
}
}
