 18 Dec 2020, Stefan Ritt, Suggestion, Code formatting 
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May I ask for your quick opinion on code formatting. MIDAS had a coding style
which pretty much followed the ROOT coding style described at
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 04 Jan 2021, Stefan Ritt, Suggestion, Code formatting
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After pondering over the holidays, I decided to use the widely used LLVM code formatting,
just adapted slightly for 3 spaces and "case" indentation in a "switch" statement. This
formatting is now very close to our original one. Nevertheless, I did not reformat all
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06 Jan 2021, Stefan Ritt, Bug Report, Logger: Disk nearly full.
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The logger simple requests the disk free space level from the operating system in the same
way as the "df" command does. Can you do a "df" on your system? I have seen that some file
systems free up space not immediately if you delete files, but some times later (like 24h).
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06 Jan 2021, Stefan Ritt, Suggestion, Improving variable functionality in Sequencer?
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I guess you use a wrong pattern here. There is no need to copy ODB values to local variables,
then change them, then write them back. You can rather directly write values to the ODB. We run
all our experiments in that way and we can do what we want. So most of our scripts have sections
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08 Jan 2021, Stefan Ritt, Forum, history and variables confusion
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We kind of agreed to rewrite the slow control system in C++. Each device will have its own driver derived from a common base class implementing the general
communication. The reason we need a "system" and not only a "hand-written" driver is because we want:
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13 Jan 2021, Stefan Ritt, Forum, poll_event() is very slow.
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Something must be wrong on your side. If you take the example frontend under
midas/examples/experiment/frontend.cxx
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25 Jan 2021, Stefan Ritt, Suggestion, mhttpd browser caching
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Let me first explain a bit why caching is there. Once we had the case that someone from
TRIUMF opened a midas custom page at T2K. It took about one minute (!) to load the page.
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08 Feb 2021, Stefan Ritt, Suggestion, mhttpd browser caching
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> It seems that the only reliable way to bypass the browser cache is to add
> a tag with a random number to the URL ("&ts=currenttime").
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25 Feb 2021, Stefan Ritt, Bug Report, history reload
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I have to reproduce the problem. Can you please send me the full link by direct email. As you know, I'm also at PSI.
Stefan |
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02 Mar 2021, Stefan Ritt, Info, shortest possible sleep
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Why do you need that? Periodic equipment typically runs ever ten seconds or so, meaning one can do this easily in a scheduler.
For polled equipment, you don't want to sleep at all. Because if you sleep, you might miss an event. That's why I put my poll in mfe.c into a for() loop. |
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04 Mar 2021, Stefan Ritt, Forum, Using JSROOT.openFile with Midas
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| I also need midas events going back to the |
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04 Mar 2021, Stefan Ritt, Forum, Using JSROOT.openFile with Midas
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I also need midas events going back to the browser for single event display, so put +1 for me.
Please also consider to use JavaScript typed arrays instead of JSON. For large midas banks, type
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10 Mar 2021, Stefan Ritt, Forum, INT INT32 in experim.h
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Ok, I added
/* define integer types with explicit widths */
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10 Mar 2021, Stefan Ritt, Suggestion, embed modbvalue in SVG
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You can't really embed it, but you can overlay it. You tag the SVG with a
"relative" position and then move the modbvalue with an "absolute" position over
it:
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24 Mar 2021, Stefan Ritt, Bug Report, Time shift in history CSV export
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I confirm there is a problem. If variables are from the same equipment, they have the same
time stamps, like
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13 Apr 2021, Stefan Ritt, Forum, Client gets immediately removed when using a script button.
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> I have followed your suggestions and the program still stops immediately. My status as returned from "cm_yield(100)" is always 412 (SS_TIMEOUT) which
is fine.
> The issue is that, when run with the script button, the do-wile loop stops immediately because the !ss_kbhit() always evaluates to FALSE.
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14 Apr 2021, Stefan Ritt, Suggestion, Time zone selection for web page
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> The new history as well as the clock in the web page header show the local time
> of the user's computer running the browser.
> Would it be possible to make it either always use the time zone of the Midas
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14 Apr 2021, Stefan Ritt, Info, INT64/UINT64/QWORD not permitted in ODB and history... Change of TID_xxx data types
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> These 64-bit data types do not work with ODB and they do not work with the MIDAS history.
They were never meant to work with the history. They were primarily implemented to put large 64-
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14 Apr 2021, Stefan Ritt, Bug Report, Time shift in history CSV export
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I finally found some time to fix this issue in the latest commit. Please update and check if it's
working for you.
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14 Apr 2021, Stefan Ritt, Bug Report, Minor bug: Change all time axes together doesn't work with +- buttons
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> Version: release/midas-2020-12
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> In the new history display, the checkbox "Change all time axes together" works
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