Example #1
0
        /// <summary>
        /// Get channel lists of current stream
        /// </summary>
        protected List <string> GetChannelsList()
        {
            List <string> channels = new List <string>();

            if (inlet != null)
            {
                liblsl.XMLElement chan = inlet.info().desc().child("channels").child("channel");
                for (int i = 0; i < inlet.info().channel_count(); i++)
                {
                    string chanName = chan.child_value("label");
                    channels.Add(chanName);
                    chan = chan.next_sibling();
                }
            }
            return(channels);
        }
Example #2
0
        static void Main(string[] args)
        {
            // create a new StreamInfo and declare some meta-data (in accordance with XDF format)
            liblsl.StreamInfo info   = new liblsl.StreamInfo("MetaTester", "EEG", 8, 100, liblsl.channel_format_t.cf_float32, "myuid323457");
            liblsl.XMLElement chns   = info.desc().append_child("channels");
            String[]          labels = { "C3", "C4", "Cz", "FPz", "POz", "CPz", "O1", "O2" };
            for (int k = 0; k < labels.Length; k++)
            {
                chns.append_child("channel")
                .append_child_value("label", labels[k])
                .append_child_value("unit", "microvolts")
                .append_child_value("type", "EEG");
            }
            info.desc().append_child_value("manufacturer", "SCCN");
            info.desc().append_child("cap")
            .append_child_value("name", "EasyCap")
            .append_child_value("size", "54")
            .append_child_value("labelscheme", "10-20");

            // create outlet for the stream
            liblsl.StreamOutlet outlet = new liblsl.StreamOutlet(info);

            // === the following could run on another computer ===

            // resolve the stream and open an inlet
            liblsl.StreamInfo[] results = liblsl.resolve_stream("name", "MetaTester");
            liblsl.StreamInlet  inlet   = new liblsl.StreamInlet(results[0]);
            // get the full stream info (including custom meta-data) and dissect it
            liblsl.StreamInfo inf = inlet.info();
            Console.WriteLine("The stream's XML meta-data is: ");
            Console.WriteLine(inf.as_xml());
            Console.WriteLine("The manufacturer is: " + inf.desc().child_value("manufacturer"));
            Console.WriteLine("The cap circumference is: " + inf.desc().child("cap").child_value("size"));
            Console.WriteLine("The channel labels are as follows:");
            liblsl.XMLElement ch = inf.desc().child("channels").child("channel");
            for (int k = 0; k < info.channel_count(); k++)
            {
                Console.WriteLine("  " + ch.child_value("label"));
                ch = ch.next_sibling();
            }
            Console.ReadKey();
        }