/// <summary>
/// Parses an RMC sentence which has the following format:
/// RMC,225446,A,4916.45,N,12311.12,W,000.5,054.7,191194,020.3,E*68
/// </summary>
/// <param name="tokens">Tokens from the NMEA string in order </param>
/// <param name="newNmeaBurst">NmeaBurst to add the data to </param>
private void ParseRMC(String[] tokens, ref NmeaBurst toFill)
{
try
{
if (tokens[1] != string.Empty)
{
if (tokens[1].Length > 6)
tokens[1] = tokens[1].Substring(0, 6);
toFill._time = DateTime.ParseExact(tokens[1], "HHmmss", System.Globalization.CultureInfo.CurrentCulture);
}
if (tokens[3].IsDouble())
toFill._RMC_latitude = Convert.ToDouble(tokens[3]);
if (tokens[4] != String.Empty)
toFill._RMC_latDir = CoordConvert.ConvertNorthSouth(tokens[4]);// (NorthSouth)Enum.Parse(typeof(NorthSouth), tokens[4], true);
if (tokens[5].IsDouble())
toFill._RMC_longitude = Convert.ToDouble(tokens[5]);
if (tokens[6] != String.Empty)
toFill._RMC_longDir = CoordConvert.ConvertEastWest(tokens[6]);// (EastWest)Enum.Parse(typeof(EastWest), tokens[6], true);
if (tokens[7].IsDouble())
toFill._track_angle = Convert.ToDouble(tokens[7]);
if (tokens[8].IsDouble())
toFill._speed = Convert.ToDouble(tokens[8]);
if (tokens[9] != String.Empty)
{
if (tokens[9].Length > 6)
tokens[9] = tokens[9].Substring(0, 6);
toFill._date = DateTime.ParseExact(tokens[9], "ddMMyy", System.Globalization.CultureInfo.CurrentCulture);
}
if (tokens[10].IsDouble())
toFill._magVar = Convert.ToDouble(tokens[10]);
if (tokens[11] != String.Empty)
toFill._magVarDir = CoordConvert.ConvertEastWest(tokens[11]);// (EastWest)Enum.Parse(typeof(EastWest), tokens[11], true);
toFill.bRMC = true;
}
catch
{
toFill.BadData();
}
}
private void ParseGSA(String[] tokens, ref NmeaBurst toFill)
{
try
{
StringBuilder sb = new StringBuilder();
if (tokens[2].IsInteger())
toFill._fix = Convert.ToInt32(tokens[2]);
for (int i = 3; i < 15; i++)
{
if (tokens[i] != "")
sb.Append(tokens[i] + '_');
}
toFill._fixed_PRNs = sb.ToString();
toFill._fixed_PRNs.TrimEnd('_');
if (tokens[15].IsDouble())
toFill._PDOP = Convert.ToDouble(tokens[15]);
if (tokens[16].IsDouble())
toFill._HDOP = Convert.ToDouble(tokens[16]);
if (tokens[16].IsDouble())
toFill._VDOP = Convert.ToDouble(tokens[17]);
toFill.bGSA = true;
}
catch
{
toFill.BadData();
}
}
/// <summary>
/// Parses a GSV sentence
/// </summary>
/// <param name="tokens">String tokens from the NMEA sentence</param>
/// <param name="toFill">NmeaBurst to put the sentence data into</param>
private void ParseGSV(String[] tokens, ref NmeaBurst toFill)
{
try
{
if (tokens[1] != String.Empty && toFill.totalGSV < 0)
{
if (tokens[1].IsInteger())
toFill.totalGSV = Convert.ToInt32(tokens[1]);
if (tokens[3].IsInteger())
toFill._num_of_sat = Convert.ToInt32(tokens[3]);
}
for (int i = 4; i < tokens.Length - 4; i += 4)
{
Satellite s = new Satellite();
if (tokens[i] != String.Empty)
s.ID = tokens[i];
if (tokens[i + 1].IsDouble())
s.Elevation = Convert.ToDouble(tokens[i + 1]);
if (tokens[i + 2].IsDouble())
s.Azimuth = Convert.ToDouble(tokens[i + 2]);
if (tokens[i + 3].IsDouble())
s.SNR = Convert.ToDouble(tokens[i + 3]);
toFill.AddSatalite(s);
}
toFill.countGSV++;
//if all GSV sentences parsed mark as GSV completed
if (toFill.countGSV >= toFill.totalGSV)
toFill.bGSV = true;
}
catch
{
toFill.BadData();
}
}
private void ParseGGA(String[] tokens, ref NmeaBurst toFill)
{
try
{
if (tokens[2].IsDouble())
toFill._GGA_latitude = Convert.ToDouble(tokens[2]);
if (tokens[3] != String.Empty)
toFill._GGA_latDir = CoordConvert.ConvertNorthSouth(tokens[3]);// (NorthSouth)Enum.Parse(typeof(NorthSouth), tokens[3], true);
if (tokens[4].IsDouble())
toFill._GGA_longitude = Convert.ToDouble(tokens[4]);
if (tokens[5] != String.Empty)
toFill._GGA_longDir = CoordConvert.ConvertEastWest(tokens[5]);// (EastWest)Enum.Parse(typeof(EastWest), tokens[5], true);
if (tokens[6].IsInteger())
toFill._fix_quality = Convert.ToInt32(tokens[6]);
if (tokens[7].IsInteger())
toFill._num_of_used_sat = Convert.ToInt32(tokens[7]);
if (tokens[8].IsDouble())
toFill._horiz_dilution_position = Convert.ToDouble(tokens[8]);
if (tokens[9].IsDouble())
toFill._altitude = Convert.ToDouble(tokens[9]);
if (tokens[10] != String.Empty)
toFill._alt_unit = TtUtils.ConvertUnit(tokens[10]);// (Unit)Enum.Parse(typeof(Unit), tokens[10], true);
if (tokens[11].IsDouble())
toFill._geoid_height = Convert.ToDouble(tokens[11]);
if (tokens[12] != String.Empty)
toFill._geoid_unit = TtUtils.ConvertUnit(tokens[12]);// (Unit)Enum.Parse(typeof(Unit), tokens[12], true);
toFill.bGGA = true;
}
catch
{
toFill.BadData();
}
}
