public void ReadGprmcWithNmeaReader()
{
using (MemoryStream mStrm = new MemoryStream(Encoding.ASCII.GetBytes("$GPRMC,220516.000,A,5133.8200,N,00042.2400,W,173.8,231.8,130604,4.2,W*67")))
{
NmeaReader nr = new NmeaReader(mStrm);
NmeaSentence ns = nr.ReadTypedSentence();
GprmcSentence sentence = ns as GprmcSentence;
Assert.AreNotEqual(null, sentence);
if (sentence == null)
{
return;
}
Assert.AreEqual("$GPRMC,220516.000,A,5133.8200,N,00042.2400,W,173.8,231.8,130604,4.2,W*67", sentence.Sentence);
Latitude l = new Latitude(51, 33.82, LatitudeHemisphere.North);
Longitude l2 = new Longitude(0, 42.24, LongitudeHemisphere.West);
Position p = new Position(l, l2);
DateTime date = new DateTime(2004, 06, 13, 22, 05, 16, DateTimeKind.Utc);
Speed s = new Speed(173.8, SpeedUnit.Knots);
Azimuth a = new Azimuth(231.8);
Longitude mv = new Longitude(4.2, LongitudeHemisphere.West);
Assert.AreEqual(FixStatus.Fix, sentence.FixStatus);
Assert.AreEqual(l, sentence.Position.Latitude);
Assert.AreEqual(l2, sentence.Position.Longitude);
Assert.AreEqual(s, sentence.Speed);
Assert.AreEqual(a, sentence.Bearing);
Assert.AreEqual(mv, sentence.MagneticVariation);
Assert.AreEqual(date, sentence.UtcDateTime);
}
}
/// <summary>
/// Set any possible values for the given NMEA data.
/// It will continue to replace
/// the values so the last value is used as the final value.
/// </summary>
/// <param name="sentence">NMEA sentence containing data.</param>
private void SetValues(NmeaSentence sentence)
{
/*
* NMEA specification states that the first two letters of
* a sentence may change. For example, for "$GPGSV" there may be variations such as
* "$__GSV" where the first two letters change. As a result, we need only test the last three
* characters.
*/
try
{
if (sentence.CommandWord.EndsWith("GGA", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGGA = new GpggaSentence(sentence.Sentence);
// Set the Lat and Lon and time
}
if (sentence.CommandWord.EndsWith("VTG", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPVTG = new GpvtgSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("RMC", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPRMC = new GprmcSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("RMF", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
PGRMF = new PgrmfSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("GLL", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGLL = new GpgllSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("GSV", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGSV = new GpgsvSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("GSA", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGSA = new GpgsaSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("HDT", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPHDT = new GphdtSentence(sentence.Sentence);
}
}
catch (Exception e)
{
log.Error("Error decoding a NMEA sentance.", e);
}
}
public void GprmcSentenceFromObjects()
{
Latitude l = new Latitude(51, 33.82, LatitudeHemisphere.North);
Longitude l2 = new Longitude(0, 42.24, LongitudeHemisphere.West);
Position p = new Position(l, l2);
DateTime date = new DateTime(2004, 06, 13, 22, 05, 16, DateTimeKind.Utc);
Speed s = new Speed(173.8, SpeedUnit.Knots);
Azimuth a = new Azimuth(231.8);
Longitude mv = new Longitude(4.2, LongitudeHemisphere.West);
GprmcSentence sentence = new GprmcSentence(date, true, p, s, a, mv);
Assert.AreEqual("$GPRMC,220516.000,A,5133.8200,N,00042.2400,W,173.8,231.8,130604,4.2,W*67", sentence.Sentence);
Assert.AreEqual(FixStatus.Fix, sentence.FixStatus);
Assert.AreEqual(l, sentence.Position.Latitude);
Assert.AreEqual(l2, sentence.Position.Longitude);
Assert.AreEqual(s, sentence.Speed);
Assert.AreEqual(a, sentence.Bearing);
Assert.AreEqual(mv, sentence.MagneticVariation);
Assert.AreEqual(date, sentence.UtcDateTime);
}
public void GprmcSentenceFromString()
{
GprmcSentence sentence = new GprmcSentence("$GPRMC,194530.000,A,3051.8007,N,10035.9989,W,1.49,111.67,310714,,,A*74");
Assert.AreEqual("$GPRMC,194530.000,A,3051.8007,N,10035.9989,W,1.49,111.67,310714,,,A*74", sentence.Sentence);
Assert.AreEqual(FixStatus.Fix, sentence.FixStatus);
Latitude l = new Latitude(30, 51.8007, LatitudeHemisphere.North);
Assert.AreEqual(l, sentence.Position.Latitude);
Longitude l2 = new Longitude(100, 35.9989, LongitudeHemisphere.West);
Assert.AreEqual(l2, sentence.Position.Longitude);
Assert.AreEqual(new Speed(1.49, SpeedUnit.Knots), sentence.Speed);
Assert.AreEqual(111.67, sentence.Bearing.DecimalDegrees);
Assert.AreEqual(Longitude.Invalid, sentence.MagneticVariation);
DateTime date = new DateTime(2014, 07, 31, 19, 45, 30, DateTimeKind.Utc);
Assert.AreEqual(date, sentence.UtcDateTime);
}
/// <summary>
/// Set any possible values for the given NMEA data.
/// It will continue to replace
/// the values so the last value is used as the final value.
/// </summary>
/// <param name="sentence">NMEA sentence containing data.</param>
private void SetValues(NmeaSentence sentence)
{
/*
* NMEA specification states that the first two letters of
* a sentence may change. For example, for "$GPGSV" there may be variations such as
* "$__GSV" where the first two letters change. As a result, we need only test the last three
* characters.
*/
if (sentence.CommandWord.EndsWith("GGA", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGGA = new GpggaSentence(sentence.Sentence);
// Set the Lat and Lon and time
}
if (sentence.CommandWord.EndsWith("VTG", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPVTG = new GpvtgSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("RMC", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPRMC = new GprmcSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("RMF", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
PGRMF = new PgrmfSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("GLL", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGLL = new GpgllSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("GSV", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGSV = new GpgsvSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("GSA", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPGSA = new GpgsaSentence(sentence.Sentence);
}
if (sentence.CommandWord.EndsWith("HDT", StringComparison.Ordinal))
{
// Yes. Convert it using the fast pre-parseed constructor
GPHDT = new GphdtSentence(sentence.Sentence);
}
}
