private SDGPSData parseNO298ECmd(byte[] buffer, int start, out int cmdLen)
{
SDGPSData result = new SDGPSData();
cmdLen = buffer[start + 4] + 5;
try
{
string ip;
DateTime dt;
double Lat, Lon;
start += 5;
start += ParseField.ParseFieldIP(buffer, start, out ip);
start += ParseField.ParseFieldTime(buffer, start, out dt);
start += ParseField.ParseFieldLat(buffer, start, out Lat);
start += ParseField.ParseFieldLon(buffer, start, out Lon);
start += ParseField.ParseFieldSpeed(buffer, start, out result.SOG);
start += ParseField.ParseFieldAngle(buffer, start, out result.COG);
start += ParseField.ParseFieldPosition(buffer, start, out result.Position);
result.Name = getNameByIP(ip);
result.Id = ip.Replace('.', '-');
result.Src = "";
result.Time = dt;
result.Shape = new GeoPointShape(Lon, Lat);
result.Distance = 0;
return(result);
}
catch (Exception)
{
return(null);
}
}
