// Interprets a "Satellites in View" NMEA sentence
private bool ParseGpgsv(string sentence)
{
bool result = false;
try
{
string[] words = GetWords(sentence);
string rawNumberOfMessages = words[1];
string rawSequenceNumber = words[2];
string rawSatellitesInView = words[3];
SatelliteCount = int.Parse(rawSatellitesInView, NmeaCultureInfo);
if (rawSequenceNumber == "1")
{
Satellites.Clear();
_allSatellitesLoaded = false;
}
if (rawSequenceNumber == rawNumberOfMessages)
{
_allSatellitesLoaded = true;
}
int index = 4;
if (words.Length < 16)
{
return(false);
}
while (index <= 16 && words.Length > index + 4 && words[index] != "")
{
Satellite tempSatellite = new Satellite();
string id = words[index];
if (id != "")
{
int.TryParse(id, NumberStyles.Integer, NmeaCultureInfo, out tempSatellite.Id);
}
string elevation = words[index + 1];
if (elevation != "")
{
tempSatellite.Elevation = double.Parse(elevation, NmeaCultureInfo);
}
string azimuth = words[index + 2];
if (azimuth != "")
{
tempSatellite.Azimuth = Convert.ToDouble(azimuth, CultureInfo.InvariantCulture);
}
string snr = words[index + 3];
tempSatellite.Snr = snr == "" ? 0 : Convert.ToDouble(snr, CultureInfo.InvariantCulture);
index = index + 4;
Satellites.Add(tempSatellite);
}
result = true;
}
catch
{ }
// Indicate that the sentence was recognized
return(result);
}
// Interprets a "Satellites in View" NMEA sentence
private bool ParseGpgsv(string sentence)
{
bool result = false;
try
{
string[] words = GetWords(sentence);
string rawNumberOfMessages = words[1];
string rawSequenceNumber = words[2];
string rawSatellitesInView = words[3];
SatelliteCount = int.Parse(rawSatellitesInView, NmeaCultureInfo);
if (rawSequenceNumber == "1")
{
Satellites.Clear();
_allSatellitesLoaded = false;
}
if (rawSequenceNumber == rawNumberOfMessages)
{
_allSatellitesLoaded = true;
}
int index = 4;
if (words.Length < 16) { return false; }
while (index <= 16 && words.Length > index + 4 && words[index] != "")
{
Satellite tempSatellite = new Satellite();
string id = words[index];
if (id != "")
{
int.TryParse(id, NumberStyles.Integer, NmeaCultureInfo, out tempSatellite.Id);
}
string elevation = words[index + 1];
if (elevation != "")
{
tempSatellite.Elevation = double.Parse(elevation, NmeaCultureInfo);
}
string azimuth = words[index + 2];
if (azimuth != "")
{
tempSatellite.Azimuth = Convert.ToDouble(azimuth, CultureInfo.InvariantCulture);
}
string snr = words[index + 3];
tempSatellite.Snr = snr == "" ? 0 : Convert.ToDouble(snr, CultureInfo.InvariantCulture);
index = index + 4;
Satellites.Add(tempSatellite);
}
result = true;
}
catch
{ }
// Indicate that the sentence was recognized
return result;
}