public void TestGpgns()
{
string input = "$GPGNS,224749.00,3333.4268304,N,11153.3538273,W,D,19,0.6,406.110,-26.294,6.0,0138,S*6A";
var msg = NmeaMessage.Parse(input);
Assert.IsInstanceOfType(msg, typeof(Gns));
Gns gns = (Gns)msg;
Assert.AreEqual(new TimeSpan(0, 22, 47, 49, 0), gns.FixTime);
Assert.AreEqual(33.55711384, gns.Latitude, .000000000001);
Assert.AreEqual(-111.889230455, gns.Longitude, .000000000001);
Assert.AreEqual(Gns.Mode.Differential, gns.GpsModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.GlonassModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.GalileoModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.BDSModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.QZSSModeIndicator);
Assert.AreEqual(1, gns.ModeIndicators.Length);
Assert.AreEqual(19, gns.NumberOfSatellites);
Assert.AreEqual(.6, gns.Hdop);
Assert.AreEqual(406.110, gns.OrthometricHeight);
Assert.AreEqual(-26.294, gns.GeoidalSeparation);
Assert.AreEqual("0138", gns.DgpsStationId);
Assert.AreEqual(Gns.NavigationalStatus.Safe, gns.Status);
Assert.AreEqual(TimeSpan.FromSeconds(6), gns.TimeSinceLastDgpsUpdate);
}
public void TestGpgns_NoData()
{
string input = "$GPGNS,235720.00,,,,,,6,,,,2.0,0*48";
var msg = NmeaMessage.Parse(input);
Assert.IsInstanceOfType(msg, typeof(Gns));
Gns gns = (Gns)msg;
Assert.AreEqual(Talker.GlobalPositioningSystem, gns.TalkerId);
Assert.AreEqual(new TimeSpan(0, 23, 57, 20, 0), gns.FixTime);
Assert.AreEqual(double.NaN, gns.Latitude);
Assert.AreEqual(double.NaN, gns.Longitude);
Assert.AreEqual(Gns.Mode.NoFix, gns.GpsModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.GlonassModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.GalileoModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.BDSModeIndicator);
Assert.AreEqual(Gns.Mode.NoFix, gns.QZSSModeIndicator);
Assert.AreEqual(0, gns.ModeIndicators.Length);
Assert.AreEqual(6, gns.NumberOfSatellites);
Assert.AreEqual(double.NaN, gns.Hdop);
Assert.AreEqual(double.NaN, gns.OrthometricHeight);
Assert.AreEqual(double.NaN, gns.GeoidalSeparation);
Assert.AreEqual(TimeSpan.FromSeconds(2), gns.TimeSinceLastDgpsUpdate);
Assert.AreEqual("0", gns.DgpsStationId);
}
protected override IPacket DecodeCore(List <string> message)
{
var ret = new Gns();
if (message == null || message.Count < 12)
{
throw new ArgumentException("Invalid GNS", "message");
}
ret.FixTime = StringToTimeSpan(message[0]);
ret.Latitude = StringToLatitude(message[1], message[2]);
ret.Longitude = StringToLongitude(message[3], message[4]);
if (message[5].Length > 0)
{
ret.GpsModeIndicator = ParseModeIndicator(message[5][0]);
}
if (message[5].Length > 1)
{
ret.GlonassModeIndicator = ParseModeIndicator(message[5][1]);
}
ret.FutureModeIndicator = message[5].Length > 2 ? message[5].Skip(2).Select(ParseModeIndicator).ToArray() : new Mode[] { };
ret.NumberOfSatellites = int.Parse(message[6], CultureInfo.InvariantCulture);
ret.Hdop = StringToDouble(message[7]);
ret.OrhometricHeight = StringToDouble(message[8]);
ret.GeoidalSeparation = StringToDouble(message[9]);
var timeInSeconds = StringToDouble(message[10]);
ret.TimeSinceLastDgpsUpdate = !double.IsNaN(timeInSeconds) ? TimeSpan.FromSeconds(timeInSeconds) : TimeSpan.MaxValue;
ret.DgpsStationId = message[11].Length > 0 ? int.Parse(message[1], CultureInfo.InvariantCulture) : -1;
if (message.Count <= 12)
{
return(ret);
}
ret.Status = message[12] switch
{
"S" => NavigationalStatus.Safe,
"C" => NavigationalStatus.Caution,
"U" => NavigationalStatus.Unsafe,
"V" => NavigationalStatus.NotValid,
_ => NavigationalStatus.NotValid
};
return(ret);
}
