<p><span style="padding: 3px 10px; border-radius: 5px; color: #ffffff; font-weight: bold; display: inline-block; background-color: #ff0000;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;External Email - Use Caution&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></p><p></p><div dir="ltr"><font face="arial, helvetica, sans-serif" style="text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px">Hi, </font><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif"><br></font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif">I am trying to send trigger from a linux system to the Biosemi ActiveOne system using NI USB-6501 encased in Biosemi TCPUA. Since there is no National Instrument driver for the linux distro that I have, I am using the following third party driver to send 8 bit triggers:</font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif"><br></font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif"><i><a href="https://github.com/orlof/NI_USB-6501" target="_blank" style="color:rgb(17,85,204)">https://github.com/orlof/NI_USB-6501</a></i></font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif"><br></font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif">like so: </font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="color:rgb(36,41,46);font-size:13.6px"><font face="arial, helvetica, sans-serif"><br></font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="color:rgb(36,41,46);font-size:13.6px"><font face="arial, helvetica, sans-serif">dev.write_port(0, 0b00000001)</font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="color:rgb(36,41,46);font-size:13.6px"><font face="arial, helvetica, sans-serif"><br></font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px">The trigger ID received in EMSE editor is the decimal equivalent of the binary string sent above- R1, R3, ... (which is what I want). However when I try to read the triggers using MNE, the trigger IDs are different and incomprehensible. </span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px">Example:</span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><pre style="white-space:pre-wrap;background-color:rgb(39,40,34);color:rgb(248,248,242);font-family:&quot;DejaVu Sans Mono&quot;;font-size:11.3pt"><span style="color:rgb(102,217,239);font-style:italic">import </span>mne<br>raw <span style="color:rgb(249,38,114)">= </span>mne.io.read_raw_edf(<span style="color:rgb(230,219,116)">&#39;test_run2.bdf&#39;</span>)<span style="color:rgb(117,113,94)"><br></span>raw_events <span style="color:rgb(249,38,114)">= </span>mne.find_events(raw<span style="color:rgb(204,120,50)">, </span><span style="color:rgb(170,73,38)">stim_channel</span><span style="color:rgb(249,38,114)">=</span><span style="color:rgb(230,219,116)">&#39;Status&#39;</span>)<br><span style="color:rgb(102,217,239)">print</span>(raw_events[<span style="color:rgb(249,38,114)">:</span><span style="color:rgb(174,129,255)">3</span>])<br></pre><br></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="color:rgb(36,41,46);font-size:13.6px"><font face="arial, helvetica, sans-serif">results in the following output:</font></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><span style="color:rgb(36,41,46);font-family:SFMono-Regular,Consolas,&quot;Liberation Mono&quot;,Menlo,Courier,monospace;font-size:13.6px"><br></span></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">Extracting edf Parameters from test_run2.bdf...</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">BDF file detected</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">Setting channel info structure...</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">Created Raw.info structure...</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">Ready.</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">[[    144 7797761 7863297]</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px"> [   9199 7860737 7862273]</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px"> [  13558 7859713 7860737]</span></font></div><div><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px"> [  21770 7860225 7863297]</span></font></div></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px">The values in the third column are the trigger IDs: 7863297, 7862273, ...</span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="SFMono-Regular, Consolas, Liberation Mono, Menlo, Courier, monospace"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px">Also, the number of events detected are less than what they should be (44 as compared to around 60).</span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px">Can anyone help me with this? Following is the google drive link of the bdf file, if it helps:</span></font></div><div style="font-family:arial,sans-serif;text-decoration-style:initial;text-decoration-color:initial;font-size:12.8px"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;font-size:small;text-decoration-style:initial;text-decoration-color:initial"><font color="#24292e" face="arial, helvetica, sans-serif"><i><span style="font-size:13.6px"><a href="https://drive.google.com/file/d/1eXKZ3YQIp-FH_WP4rVi954iQvhGJ5L8m/view?usp=sharing">https://drive.google.com/file/d/1eXKZ3YQIp-FH_WP4rVi954iQvhGJ5L8m/view?usp=sharing</a></span><br></i></font></div><div style="font-family:arial,sans-serif;font-size:small;text-decoration-style:initial;text-decoration-color:initial"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px"><br></span></font></div><div style="font-family:arial,sans-serif;font-size:small;text-decoration-style:initial;text-decoration-color:initial"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px">Thanks, </span></font></div><div style="font-family:arial,sans-serif;font-size:small;text-decoration-style:initial;text-decoration-color:initial"><font color="#24292e" face="arial, helvetica, sans-serif"><span style="font-size:13.6px">Neelesh</span></font></div><br class="gmail-Apple-interchange-newline"><br></div>