support for neuropixel data recorded with SpikeGLX

external/spikeglx/DemoReadSGLXData.m

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+% =============================================================
+% Simple demo program calling functions from the
+% SGLX_readMeta class.
+%
+function DemoReadSGLXData()
+
+% Ask user for binary file
+[binName,path] = uigetfile('*.bin', 'Select Binary File');
+
+% Parse the corresponding metafile
+meta = SGLX_readMeta.ReadMeta(binName, path);
+
+% Get first one second of data
+nSamp = floor(1.0 * SGLX_readMeta.SampRate(meta));
+dataArray = SGLX_readMeta.ReadBin(0, nSamp, meta, binName, path);
+dataType = 'A';         %set to 'A' for analog, 'D' for digital data
+
+% For an analog channel: gain correct saved channel ch (1-based for MATLAB).
+ch = 1;
+
+% For a digital channel: read this digital word dw in the saved file
+% (1-based). For imec data there is never more than one saved digital word.
+dw = 1;
+
+% Read these lines in dw (0-based).
+% For 3B2 imec data: the sync pulse is stored in line 6.
+% May be 1 or more line indices.
+dLineList = [0,1,6];
+
+if dataType == 'A'
+    if strcmp(meta.typeThis, 'imec')
+        dataArray = SGLX_readMeta.GainCorrectIM(dataArray, [ch], meta);
+    else
+        dataArray = SGLX_readMeta.GainCorrectNI(dataArray, [ch], meta);
+    end
+    plot(1e6*dataArray(ch,:));
+else
+    digArray = SGLX_readMeta.ExtractDigital(dataArray, meta, dw, dLineList);
+    for i = 1:numel(dLineList)
+        plot(digArray(i,:));
+        hold on
+    end
+    hold off
+end
+end % DemoReadSGLXData