public void CreatesValidGgaSentence()
{
DateTimeOffset time = DateTimeOffset.UtcNow;
GlobalPositioningSystemFixData sentence = new GlobalPositioningSystemFixData(time, GpsQuality.DifferentialFix, new GeographicPosition(47.49, 9.48, 720),
680, 2.4, 10);
Assert.True(sentence.Valid);
Assert.NotEqual(default(TalkerId), sentence.TalkerId);
Assert.NotEqual(default(SentenceId), sentence.SentenceId);
Assert.False(string.IsNullOrWhiteSpace(sentence.ToReadableContent()));
}
public void GgaDecode()
{
_lastPacketTime = DateTimeOffset.UtcNow;
string msg = "$GPGGA,163810,4728.7027,N,00929.9666,E,2,12,0.6,397.4,M,46.8,M,,*4C";
var inSentence = TalkerSentence.FromSentenceString(msg, out var error);
Assert.Equal(NmeaError.None, error);
Assert.NotNull(inSentence);
GlobalPositioningSystemFixData nmeaSentence = (GlobalPositioningSystemFixData)inSentence !.TryGetTypedValue(ref _lastPacketTime) !;
var expectedPos = new GeographicPosition(47.478378333333332, 9.4994433333333337, 397.4 + 46.8);
Assert.True(expectedPos.EqualPosition(nmeaSentence.Position));
Assert.Equal(GpsQuality.DifferentialFix, nmeaSentence.Status);
Assert.Equal(12, nmeaSentence.NumberOfSatellites);
Assert.Equal(0.6, nmeaSentence.Hdop);
Assert.Equal(_lastPacketTime.Date, nmeaSentence.DateTime.Date);
Assert.Equal(new TimeSpan(0, 16, 38, 10), nmeaSentence.DateTime.TimeOfDay);
}
private void SendNewData()
{
try
{
var data = _activeData;
RecommendedMinimumNavigationInformation rmc = new RecommendedMinimumNavigationInformation(DateTimeOffset.UtcNow,
NavigationStatus.Valid, data.Position,
data.Speed, data.Course, null);
SendSentence(rmc);
GlobalPositioningSystemFixData gga = new GlobalPositioningSystemFixData(
DateTimeOffset.UtcNow, GpsQuality.DifferentialFix, data.Position, data.Position.EllipsoidalHeight - 54,
2.5, 10);
SendSentence(gga);
TimeDate zda = new TimeDate(DateTimeOffset.UtcNow);
SendSentence(zda);
}
catch (IOException x)
{
Console.WriteLine($"Error writing to the output stream: {x.Message}. Connection lost.");
}
}
