protected override Task <IObservable <LocalisationData> > InitializeCore()
{
return(Task.Run(
() =>
{
IObservable <byte[]> packets;
switch (this.ConnectionType)
{
case ConnectionType.Serial:
packets = ToNcomPacket(SerialConnection.CreateByteListener(this.SerialPortName, this.SerialBaudRate, Parity.None, 8, StopBits.One));
break;
case ConnectionType.Udp:
packets = UdpConnection.CreateListener(this.RemoteAddress, this.UdpListenerPort).Select(udpResult => udpResult.Buffer);
break;
default:
throw new NotSupportedException(string.Format("Connection type '{0}' is not supported.", this.ConnectionType));
}
return (
from geoData in ToGeoData(packets)
select new LocalisationData {
RawData = geoData,
GpsStatus = (IsInitializing(geoData) ? GpsStatus.Initializing : geoData.PositionData.Longitude == 0 && geoData.PositionData.Latitude == 0 ? GpsStatus.SignalLost : GpsStatus.Reliable)
}).Publish().RefCount();
}));
}