public TruPulse360(IProvideSentences nmeaProvider)
{
_nmeaProvider = nmeaProvider;
_nmeaProvider.SentenceReceived += sentence => {
Message message = _parser.Parse(sentence);
if (message == null) {
return;
}
Debug.WriteLine(message.Sentence);
};
_nmeaProvider.Open();
}
public GpsUnit(IProvideSentences nmeaProvider)
{
MinimumFixForNotification = GpsFixType.ThreeD;
CurrentLocation = new GeoPosition(0, 0, new Length(0, LengthUnit.Meter));
CurrentHeading = Heading.Unknown;
_nmeaProvider = nmeaProvider;
_nmeaProvider.SentenceReceived += sentence => {
Message message = _parser.Parse(sentence);
if (message == null) {
return;
}
//NB set all values then raise all notifications
if (message.Value is IProvideSatelliteInfo) {
foreach (SatelliteInfo satellite in message.ValueAs<IProvideSatelliteInfo>()
.Satellites) {
_satellites[satellite.Prn] = satellite;
}
}
if (message.Value is IProvideActiveSatellites) {
_activeSatellitePrns.Clear();
foreach (int prn in message.ValueAs<IProvideActiveSatellites>()
.ActiveSatellitePrns.Where(prn => prn != 0)) {
_activeSatellitePrns.Add(prn);
}
}
if (message.Value is IProvideFixType) {
CurentFixType = message.ValueAs<IProvideFixType>()
.CurrentFix;
}
if (message.Value is IProvideDilutionOfPrecision) {
var dop = message.ValueAs<IProvideDilutionOfPrecision>();
_positionDop = dop.PositionDop;
_horizontalDop = dop.HorizontalDop;
_verticalDop = dop.VerticalDop;
}
if (message.Value is IProvideTime) {
CurrentTime = message.ValueAs<IProvideTime>()
.CurrentTime;
}
if (message.Value is IProvideTrajectory) {
//NB heading and speed are correlated
IProvideTrajectory trajectory = message.ValueAs<IProvideTrajectory>();
CurrentSpeed = trajectory.CurrentSpeed;
// NB don't update heading when speed is near zero
if (CurrentSpeed > MinimumSpeedForHeadingUpdate) {
CurrentHeading = trajectory.CurrentHeading;
}
}
if (message.Value is IProvideGeoPosition) {
var newLocation = message.ValueAs<IProvideGeoPosition>()
.CurrentLocation;
CurrentLocation = newLocation.Altitude == null
? new GeoPosition(newLocation.Latitude,
newLocation.Longitude,
CurrentLocation.Altitude)
: newLocation;
RaiseLocationChanged();
}
};
_nmeaProvider.Open();
}
