public void HandleData(object sender, PacketReceivedEventArgs args)
{
if(args.Version != 3)
{
Console.WriteLine("Unsupport raw data output version: " + args.Version);
return;
}
var timestamp = new DateTime(1970, 1, 1, 0, 0, 0, 0) + TimeSpan.FromSeconds(args.Timestamp);
if(args.DataType == Utility.EDataType.Event)
{
if(EventReceived != null)
{
var eventArgs = new EventHandlerEventArgs
{
Timestamp = timestamp,
TimestampSubsecond = args.TimestampSubsecond,
EventType = BitConverter.ToUInt32(args.Data, 1)
};
}
return;
}
if(args.DataType == Utility.EDataType.SliceEnd)
{
var sliceArgs = new SliceHandlerEventArgs
{
Slice = _slice
};
if(SliceReceived != null)
SliceReceived(this, sliceArgs);
_slice = new Slice();
return;
}
if(args.DataType == Utility.EDataType.Waveform)
{
for(int i=1; i <= 256*2; i += 2)
{
Int16 intValue = BitConverter.ToInt16(args.Data, i);
double realValue = (double)(intValue*315) / (double)0x8000;
_slice.Data.Add(realValue);
}
// todo: consider filtering 60Hz interference out
return;
}
if(args.DataType == Utility.EDataType.FrequencyBins)
{
for(int i=0; i < 8; ++i)
{
UInt16 intValue = BitConverter.ToUInt16(args.Data, 1 + (i*2));
double realValue = (double)intValue / (double)0x8000;
_slice.FrequencyBins[i] = realValue;
}
return;
}
if(args.DataType == Utility.EDataType.BadSignal)
{
_slice.BadData = BitConverter.ToUInt32(args.Data, 1);
return;
}
if(args.DataType == Utility.EDataType.SleepStage)
{
_slice.SleepStage = BitConverter.ToUInt32(args.Data, 1);
return;
}
if(args.DataType == Utility.EDataType.Impedance)
{
UInt32 intValue = BitConverter.ToUInt32(args.Data, 1);
UInt32 inPhase = (intValue & 0x0000ffff) - 0x00008000;
UInt32 quadrature = ((intValue & 0xffff0000) >> 16) - 0x00008000;
if(inPhase != 0x7FFF) // 32767 indicates the impedance is bad
{
double impSquared = (inPhase * inPhase) + (quadrature * quadrature);
_slice.Impedance = Math.Sqrt(impSquared);
}
return;
}
if(args.DataType == Utility.EDataType.SQI)
{
_slice.SQI = BitConverter.ToUInt32(args.Data, 1);
return;
}
}
public Parser()
{
_slice = new Slice();
}