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    Developer's meeting

    → Europe/Zurich
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    present: Enrico, Roland, Eric, Milo, Frank

    Progress and planning towards next Milestone week starting May 8:

    • see diagram ("Plan A") posted by Enrico; we discussed mostly the various items on this diagram
    • Frame generation:
      • in contrast to what's indicated on the diagram, Milo's plan is to pre-generate only a few frames and store these on the VC709 card (avoiding worries about DMA transfer rate etc.)
      • according to Frans, it should be fairly straightforward to increment the timestamp and recompute the CRC (nice as this will allow for an -offline- check of the data integrity)
      • note: update to data frame format as shown by Eric Hazen on March 13 is ongoing
    • transfer from "uploader" VC709 card to FELIX VC709 card:
      • Full mode bug not fixed yet (to our knowledge)
      • high priority item! Contact the FELIX core developers' team to ask them when they intend to have this fixed (ideally at least a week before the M-week, to allow for more testing of other components)
    • felixcore: in Full Mode, this is not yet functioning properly
      • suspicion (from Enrico) is that this could be related to the above-mentioned firmware bug. Will attempt to investigate [ comment after the meeting: Mark confirmed that the firmware bug also will cause problems for felixcore ]
    • triggering:
      • initial thinking was that it would not be feasible to use artdaq v2 EventBuilder to trigger, and therefore the plan was to concoct a solution "locally"
      • however, Eric suggests that this should be doable after all (and that he can help Roland set this up)
      • in this setting, there needs to be some co-ordination (at least a rough synchronisation) between the EventBuilder and the frame generator
    • planning:
      • presence at CERN during M-week: Enrico, Roland. Should investigate possibility to have one or more of the core FELIX developers nearby. Will investigate attendance at least from the Nikhef side.

    Talk in April 10 DAQ meeting:

    • speaker: Roland
    • allotted time not very clear (guess: 20 -- 30 minutes)
    • Roland will circulate draft slides before the weekend
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