private static void GsaDecoder_OnActiveSatelitesReceived(object sender, ActiveSatellites activeSatellites)
{
Console.WriteLine("Satellite information received.");
Console.WriteLine("Number of satellites involved in fix: " + activeSatellites.SatellitesUsedForFix.Length);
Console.WriteLine("Dilution of precision: " + activeSatellites.DilutionOfPrecision.ToString("f2"));
Console.WriteLine("HDOP: " + activeSatellites.HorizontalDilutionOfPrecision.ToString("f2"));
Console.WriteLine("VDOP: " + activeSatellites.VerticalDilutionOfPrecision.ToString("f2"));
Console.WriteLine("*********************************************\n");
}
private static void gsaDecoder_OnActiveSatelitesReceived(object sender, ActiveSatellites activeSatellites)
{
gl.DrawText(0, 40, "#Sats:" + activeSatellites.SatellitesUsedForFix.Length);
gl.Show();
Debug.Print("Satellite information received.");
Debug.Print("Number of satellites involved in fix: " + activeSatellites.SatellitesUsedForFix.Length);
Debug.Print("Dilution of precision: " + activeSatellites.DilutionOfPrecision.ToString("f2"));
Debug.Print("HDOP: " + activeSatellites.HorizontalDilutionOfPrecision.ToString("f2"));
Debug.Print("VDOP: " + activeSatellites.VerticalDilutionOfPrecision.ToString("f2"));
Debug.Print("*********************************************\n");
}
/// <summary>
/// Process the data from a GSA message.
/// </summary>
/// <param name="data">String array of the message components for a GSA message.</param>
public override void Process(string[] data)
{
if (OnActiveSatellitesReceived != null)
{
var satellites = new ActiveSatellites();
switch (data[1].ToLower())
{
case "a":
satellites.SatelliteSelection = ActiveSatelliteSelection.Automatic;
break;
case "m":
satellites.SatelliteSelection = ActiveSatelliteSelection.Manual;
break;
default:
satellites.SatelliteSelection = ActiveSatelliteSelection.Unknown;
break;
}
satellites.Demensions = (DimensionalFixType)int.Parse(data[2]);
var satelliteCount = 0;
for (var index = 3; index < 15; index++)
{
if ((data[index] != null) && (data[index] != ""))
{
satelliteCount++;
}
}
if (satelliteCount > 0)
{
satellites.SatellitesUsedForFix = new string[satelliteCount];
var currentSatellite = 0;
for (var index = 3; index < 15; index++)
{
if ((data[index] != null) && (data[index] != ""))
{
satellites.SatellitesUsedForFix[currentSatellite] = data[index];
currentSatellite++;
}
}
}
else
{
satellites.SatellitesUsedForFix = null;
}
satellites.DilutionOfPrecision = double.Parse(data[15]);
satellites.HorizontalDilutionOfPrecision = double.Parse(data[16]);
satellites.VerticalDilutionOfPrecision = double.Parse(data[17]);
OnActiveSatellitesReceived(this, satellites);
}
}
/// <summary>
/// Process the data from a GSA message.
/// </summary>
/// <param name="data">String array of the message components for a GSA message.</param>
public void Process(NmeaSentence sentence)
{
//if (DebugMode) { Debug.WriteLine($"GSADecoder.Process"); }
var satellites = new ActiveSatellites();
satellites.TalkerID = sentence.TalkerID;
switch (sentence.DataElements[0].ToString().ToLower())
{
case "a":
satellites.SatelliteSelection = ActiveSatelliteSelection.Automatic;
break;
case "m":
satellites.SatelliteSelection = ActiveSatelliteSelection.Manual;
break;
default:
satellites.SatelliteSelection = ActiveSatelliteSelection.Unknown;
break;
}
//if (DebugMode) { Debug.WriteLine($"satellite seletion:{satellites.SatelliteSelection}"); };
int dimensionalFixType;
if (int.TryParse(sentence.DataElements[1].ToString(), out dimensionalFixType))
{
satellites.Dimensions = (DimensionalFixType)dimensionalFixType;
}
//if (DebugMode) { Debug.WriteLine($"dimensional fix type:{satellites.Dimensions}"); };
var satelliteCount = 0;
for (var index = 2; index < 14; index++)
{
if (!string.IsNullOrEmpty(sentence.DataElements[index].ToString()))
{
satelliteCount++;
}
}
if (satelliteCount > 0)
{
satellites.SatellitesUsedForFix = new string[satelliteCount];
var currentSatellite = 0;
for (var index = 2; index < 14; index++)
{
if (!string.IsNullOrEmpty(sentence.DataElements[index].ToString()))
{
satellites.SatellitesUsedForFix[currentSatellite] = sentence.DataElements[index].ToString();
currentSatellite++;
}
}
}
else
{
satellites.SatellitesUsedForFix = null;
}
double dilutionOfPrecision;
if (double.TryParse(sentence.DataElements[14].ToString(), out dilutionOfPrecision))
{
satellites.DilutionOfPrecision = dilutionOfPrecision;
}
double horizontalDilutionOfPrecision;
if (double.TryParse(sentence.DataElements[15].ToString(), out horizontalDilutionOfPrecision))
{
satellites.HorizontalDilutionOfPrecision = horizontalDilutionOfPrecision;
}
double verticalDilutionOfPrecision;
if (double.TryParse(sentence.DataElements[16].ToString(), out verticalDilutionOfPrecision))
{
satellites.VerticalDilutionOfPrecision = verticalDilutionOfPrecision;
}
//Debug.WriteLine($"GSADecoder.Process complete; satelliteCount:{satelliteCount}");
ActiveSatellitesReceived(this, satellites);
}
