<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Ok thank you Tyler</div><div><br></div><div>Have a good weekend</div><div><br></div><div>Ruben</div><div><br>On Jan 13, 2017, at 4:30 PM, Tyler Lemon <<a href="mailto:tlemon@jlab.org">tlemon@jlab.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div>Hello Ruben,<br></div><div><br data-mce-bogus="1"></div><div>The test of the digital filter added to the Torus Fast-Daq cRIO code was unsuccessful. </div><div><br data-mce-bogus="1"></div><div>After deploying the code with the filter inserted, I received an FPGA error. I then tried to test the filter in a different configuration on the FPGA, which required the FPGA code to be recompiled. The recompilation failed.</div><div><br data-mce-bogus="1"></div><div>At this time, the original, working Fast-Daq code has been redeployed to the cRIO and the cRIO is back online. I will look into what caused the FPGA error and the recompilation failure. I will also investigate different strategies for implementing the filters.<br></div><div><br data-mce-bogus="1"></div><div>Best regards,<br data-mce-bogus="1"></div><div>Tyler<br data-mce-bogus="1"></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Ruben Fair" <<a href="mailto:rfair@jlab.org">rfair@jlab.org</a>><br><b>To: </b>"Tyler Lemon" <<a href="mailto:tlemon@jlab.org">tlemon@jlab.org</a>><br><b>Cc: </b>"dsg-hallb magnets" <<a href="mailto:dsg-hallb_magnets@jlab.org">dsg-hallb_magnets@jlab.org</a>><br><b>Sent: </b>Friday, January 13, 2017 2:59:29 PM<br><b>Subject: </b>Re: [Dsg-hallb_magnets] request to take Torus Fast-Daq cRIO offline to test filter<br></div><br><div data-marker="__QUOTED_TEXT__"><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hi Tyler,<br></div><br><div>Yes - I agree with your plan - looks sensible to me.<br></div><br><div>And yes - go ahead and take it offline for your tests.<br></div><br><div>Cheers<br></div><br><div>Ruben<br></div><br><br><hr id="zwchr"><div><b>From: </b>"Tyler Lemon" <<a href="mailto:tlemon@jlab.org">tlemon@jlab.org</a>><br><b>To: </b>"dsg-hallb magnets" <<a href="mailto:dsg-hallb_magnets@jlab.org">dsg-hallb_magnets@jlab.org</a>><br><b>Sent: </b>Friday, January 13, 2017 1:30:27 PM<br><b>Subject: </b>[Dsg-hallb_magnets] request to take Torus Fast-Daq cRIO offline to test filter<br></div><br><div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000"><div>Hello Ruben,<br></div><br><div>Can the Torus Fast-Daq cRIO be taken offline this afternoon to test the digital filter added to the FPGA code? <br></div><br><div>Before deploying the code with the new filter implemented, I will start the Fast-Daq logging via the EPICS GUI so there will be a log of the voltage tap data before and after the filters are implemented. <br></div><br><div>If all steps go well, my plan for testing the filters will be:<br></div><div>1.) Record Fast-Daq data via EPICS of signals using the original code deployed right now.<br></div><div>2.) Deploy new cRIO code with filter added to filter 60Hz noise.<br></div><div>3.) Record Fast-Daq data via EPICS after filter is added.<br></div><div>4.) Test varying widths of the filter's stopband to visually find what seems to filter 60Hz noise best.<br></div><div>5.) Redeploy original code.<br></div><div>6.) Review recorded data to confirm what filter parameters worked best.<br></div><br><div>If anything negative happens at any point, I will stop and redeploy the original code.<br></div><br><div>Please let me know if there are any steps that should be added to my test plan above.<br></div><br><div>Best regards,<br></div><div>Tyler<br></div></div><br>_______________________________________________<br>Dsg-hallb_magnets mailing list<br><a href="mailto:Dsg-hallb_magnets@jlab.org">Dsg-hallb_magnets@jlab.org</a><br><a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets</a></div></div><br></div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Dsg-hallb_magnets mailing list</span><br><span><a href="mailto:Dsg-hallb_magnets@jlab.org">Dsg-hallb_magnets@jlab.org</a></span><br><span><a href="https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets">https://mailman.jlab.org/mailman/listinfo/dsg-hallb_magnets</a></span><br></div></blockquote></body></html>