private void HandleGga(GgaStandardGpsMessage message, DateTime systemReceivedUtcDateTime)
{
LatestPosition = new PositionData(
AdjustSystemUtc(systemReceivedUtcDateTime),
message.Latitude,
message.Longitude,
message.FixStatus,
message.NumberOfSatellites,
message.HorizontalDilutioOfPrecision,
message.Altitude,
message.GeoIdSeparation,
message.DgpsAge,
message.DgpsStateId);
if (LatestPosition.Latitude.HasValue &&
LatestPosition.Longitude.HasValue &&
LatestPosition.Altitude.HasValue)
{
_currentPosition = new SimplePosition(
LatestPosition.Latitude.Value,
LatestPosition.Longitude.Value,
LatestPosition.Altitude.Value);
}
OnPositionData?.Invoke(this, new PositionDataEventArgs(LatestPosition));
}
public static bool TryConvertToStandardGpsMessage(GpsMessage message, out StandardGpsMessage standardGpsMessage)
{
switch (message.MessageId)
{
case "GPRMC":
standardGpsMessage = new RmcStandardGpsMessage(message);
return(true);
case "GPVTG":
standardGpsMessage = new VtgStandardGpsMessage(message);
return(true);
case "GPGGA":
standardGpsMessage = new GgaStandardGpsMessage(message);
return(true);
case "GPGSA":
standardGpsMessage = new GsaStandardGpsMessage(message);
return(true);
case "GPGSV":
standardGpsMessage = new GsvStandardGpsMessage(message);
return(true);
case "GPGLL":
standardGpsMessage = new GllStandardGpsMessage(message);
return(true);
case "GPTXT":
standardGpsMessage = new TxtStandardGpsMessage(message);
return(true);
}
standardGpsMessage = null;
return(false);
}