protected override void OnReadPacket()
{
// Read a sentence from the underlying stream
NmeaSentence sentence = _Stream.ReadTypedSentence();
// If we have a sentence, the device is NMEA! Flag it if needed.
if (Device != null && !Device.IsGpsDevice)
{
Device.SetIsGpsDevice(true);
}
/* The NmeaInterpreter in GPS.NET 3.0 uses a slimmed-down architecture to reduce
* the memory and CPU footprint of processing NMEA data.
*/
// All data updates in a single shot to prevent race conditions
lock (DataChangeSyncRoot)
{
// Parse the sentence
Parse(sentence);
}
// If we're recording, output the sentence
lock (RecordingSyncRoot)
{
if (RecordingStream != null)
{
byte[] buffer = ASCIIEncoding.ASCII.GetBytes(sentence.Sentence + "\r\n");
RecordingStream.Write(buffer, 0, buffer.Length);
OnSentenceRecorded(sentence);
}
}
// Notify of the sentence
OnSentenceReceived(sentence);
}
