Exemplo n.º 1
0
        public bool OpenPort()
        {
            try
            {
                Console.WriteLine(@"Navigation Module is Intializing. Please wait....");
                _serialPort.Open();
                Task readThread = Task.Run(() =>
                {
                    while (true)
                    {
                        string message = @"";
                        try
                        {
                            if (_serialPort.BytesToRead > 0)
                            {
                                message = _serialPort.ReadLine();
                            }
                        }
                        catch
                        {
                            continue;
                        }

                        var tokens = message.Split(',');
                        if (tokens[0].StartsWith("$GPGGA"))
                        {
                            if (!String.IsNullOrEmpty(tokens[2]) && !String.IsNullOrEmpty(tokens[4]))
                            {
                                Debug.WriteLine(message);
                                Latitude  = new LatitudeLongitude(tokens[2], tokens[3]);
                                Longitude = new LatitudeLongitude(tokens[4], tokens[5]);

                                Debug.WriteLine(@"Parsed Latitude and Longitude are {0},{1}", Latitude.ToString(), Longitude.ToString());
                            }
                        }

                        if (tokens[0].StartsWith("$GPRMC"))
                        {
                            if (!String.IsNullOrEmpty(tokens[7]))
                            {
                                Debug.WriteLine(message);
                                Speed = new GpsSpeed(tokens[7]);
                                Debug.WriteLine(@"Current Speed is  {0},{1}", Speed.ToString());
                            }
                        }
                    }
                });
                return(true);
            }
            catch (Exception e)
            {
                Console.WriteLine("The port may be in use - {0}", e.Message);
                return(false);
            }
        }
Exemplo n.º 2
0
        public bool OpenPort()
        {
            try
            {
                Console.WriteLine(@"Navigation Module is Intializing. Please wait....");
                _serialPort.Open();
                Task readThread = Task.Run(() =>
                {
                    while (true)
                    {

                            string message = @"";
                            try
                            {
                                if (_serialPort.BytesToRead > 0)
                                {
                                    message = _serialPort.ReadLine();
                                }

                            }
                            catch
                            {
                                continue;
                            }

                            var tokens = message.Split(',');
                            if (tokens[0].StartsWith("$GPGGA"))
                            {
                                if (!String.IsNullOrEmpty(tokens[2]) && !String.IsNullOrEmpty(tokens[4]))
                                {
                                    Debug.WriteLine(message);
                                    Latitude = new LatitudeLongitude(tokens[2], tokens[3]);
                                    Longitude = new LatitudeLongitude(tokens[4], tokens[5]);

                                    Debug.WriteLine(@"Parsed Latitude and Longitude are {0},{1}", Latitude.ToString(), Longitude.ToString());
                                }

                            }

                            if (tokens[0].StartsWith("$GPRMC"))
                            {
                                if (!String.IsNullOrEmpty(tokens[7]))
                                {
                                    Debug.WriteLine(message);
                                    Speed = new GpsSpeed(tokens[7]);
                                    Debug.WriteLine(@"Current Speed is  {0},{1}", Speed.ToString());
                                }
                            }
                        }

                });
                return true;
            }
            catch (Exception e)
            {

                Console.WriteLine("The port may be in use - {0}", e.Message);
                return false;
            }
        }