private static void GpsDataReceived(GpsPoint gpsPoint)
{
var lat = gpsPoint.Latitude.ToString("F4");
var lon = gpsPoint.Longitude.ToString("F4");
Debug.Print("Lat/long: " + lat + ", " + lon);
}
private void ProcessBytes(string gpsData)
{
while (gpsData.IndexOf('\n') != -1)
{
var parts = gpsData.Split('\n');
_data += parts[0];
_data = _data.Trim();
if (_data != string.Empty)
{
if (_data.IndexOf("$GPRMS") != 0)
{
int g = 9;
}
if (_data.IndexOf("$GPRMC") == 0)
{
// Debug.Print("GOT $GPRMC LINE");
if (GpsData != null)
{
var gpsPoint = GprmcParser.Parse(_data);
if (gpsPoint == null)
{
continue;
}
var isOk = true;
if (_lastPoint != null)
{
var distance = GeoDistanceCalculator.GetDistanceInMiles(gpsPoint.Latitude, gpsPoint.Longitude,
_lastPoint.Latitude, _lastPoint.Longitude);
double distInFeet = distance * 5280;
// Debug.Print("distance = " + distance + " mi (" + distInFeet + " feet)");
if (distance < _minDistanceBetweenPoints)
{
// Too close to the last point....don't raise the event
isOk = false;
}
var timeDelta = (DateTime.Now - _lastDateTime);
if (timeDelta.Seconds > 60)
{
// A minute has gone by, so update
isOk = true;
_lastDateTime = DateTime.Now;
}
}
_lastPoint = gpsPoint;
// Raise the event
if (isOk)
{
GpsData(gpsPoint);
}
}
}
RawLine?.Invoke(_data);
}
gpsData = parts[1];
_data = string.Empty;
}
_data += gpsData;
}