Add MATLAB + LSL test script to Networking Test Kit #1107

Author: retiutut

Networking-Test-Kit/LSL/OpenBCI_LSL_Stream_Test.m

@@ -0,0 +1,47 @@
+clr;
+addpath(genpath('liblsl-Matlab'));
+
+lib = lsl_loadlib(); version = lsl_library_version(lib)
+% resolve a stream...
+disp('Resolving an EEG stream...');
+result = {};
+while isempty(result)
+    result = lsl_resolve_byprop(lib,'type','EEG'); end
+
+% create a new inlet
+disp('Opening an inlet...');
+inlet = lsl_inlet(result{1});
+
+% Set the time interval for counting samples (in seconds)
+timeInterval = 5; % Adjust as needed
+
+% Initialize the sample counter and start time
+sampleCount = 0;
+startTime = tic;
+
+disp('Now receiving data...');
+while true
+    % get data from the inlet
+    [vec,ts] = inlet.pull_sample();
+    % Display data (optional)
+%     fprintf('%.2f\t',vec);
+%     fprintf('%.5f\n',ts);
+
+    % Increment the sample counter
+    sampleCount = sampleCount + 1;
+    
+    % Check if the time interval has elapsed
+    elapsedTime = toc(startTime);
+    if elapsedTime >= timeInterval
+        % Calculate the samples per second (SPS)
+        samplesPerSecond = sampleCount / elapsedTime;
+        
+        % Display the result
+        fprintf('Received %.0f samples in %.2f seconds\n', sampleCount, elapsedTime);
+        fprintf('Samples per second: %.2f\n', samplesPerSecond);
+        
+        % Reset the sample counter and start time
+        sampleCount = 0;
+        startTime = tic;
+    end
+end