 23 Apr 2020, Stefan Ritt, Suggestion, Sequencer loop break
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> > You can do that with the "GOTO" statement, jumping to the first line after the loop.
> >
> > Here is a working example:
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24 Apr 2020, Stefan Ritt, Forum, API to read MIDAS format file
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24 Apr 2020, Stefan Ritt, Forum, API to read MIDAS format file
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I guess all three options would work. I just tried mhist and it still works with the "FILE" history
mhist -e <equipment name> -v <variable name> -h 10
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24 Apr 2020, Stefan Ritt, Forum, API to read MIDAS format file
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[quote="Pintaudi Giorgio"]
Hypothetically which one between the two lends itself the better to being "batched"? I mean to be read and controlled by a program/routine. For example,
some programs give the option to have the output formatted in json, etc...[/quote]
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26 Apr 2020, Stefan Ritt, Forum, Questions and discussions on the Frontend ODB tree structure.
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Dear Yu Chen,
in my opinion, you can follow two strategies:
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26 Apr 2020, Stefan Ritt, Info, CLOCK_REALTIME on MacOS
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> > > /Users/francesco/MIDAS/midas/src/system.cxx:3187:18: error: use of undeclared identifier
> > > 'CLOCK_REALTIME'
> > > clock_settime(CLOCK_REALTIME, <m);
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01 May 2020, Stefan Ritt, Forum, Taking MIDAS beyond 64 clients
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Hi Joseph,
here some thoughts from my side:
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02 May 2020, Stefan Ritt, Forum, Taking MIDAS beyond 64 clients
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TRIUMF stayed quiet, probably they have other things to do.
I allowed myself to move the maximum number of clients back to its original value, in order not to break running experiments.
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02 May 2020, Stefan Ritt, Forum, Taking MIDAS beyond 64 clients
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> Perhaps a item for future discussion would be for the odbinit program to be able to 'upgrade' the ODB and enable some backwards
> compatibility.
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03 May 2020, Stefan Ritt, Forum, API to read MIDAS format file 
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> PS some time ago, I don't remember if you or Stefan, recommended CLion as C++ IDE. I have tried it
> (together with PyCharm) and I must admit that it is really good. It took me years to configure Emacs
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 12 May 2020, Stefan Ritt, Info, New ODB++ API
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Since the beginning of the lockdown I have been working hard on a new object-oriented interface to the online database ODB. I have the code now in an initial
state where it is ready for
testing and commenting. The basic idea is that there is an object midas::odb, which represents a value or a sub-tree in the ODB. Reading, writing and watching |
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13 May 2020, Stefan Ritt, Forum, List of sequencer files
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If you load a file into the sequencer from the web interface, you get a list of all files in that directory.
This basically gives you a list of possible sequencer files. It's even more powerful, since you can
create subdirectories and thus group the sequencer files. Attached an example from our
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20 May 2020, Stefan Ritt, Info, New ODB++ API
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In meanwhile, there have been minor changes and improvements to the API:
Previously, we had:
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28 May 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
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> 2. When I create an ODB structure with the new API I do for example:
>
> midas::odb stream_settings = {
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30 May 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
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Marius, has the problem been fixed in meantime?
Stefan
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04 Jun 2020, Stefan Ritt, Forum, Template of slow control frontend
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> I’m beginner of Midas, and trying to develop the slow control front-end with the latest Midas.
> I found the scfe.cxx in the “example”, but not enough to refer to write the front-end for my own devices
> because it contains only nulldevice and null bus driver case...
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05 Jun 2020, Stefan Ritt, Suggestion, ODB++ API - documantion updates and odb view after key creation
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Hi Marius,
your fix is good. Thanks for digging out this deep-lying issue, which would have haunted us if we would not fix it.
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10 Jun 2020, Stefan Ritt, Forum, slow-control equipment crashes when running multi-threaded on a remote machine
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Few comments:
- As KO write, we might need semaphores also on a remote front-end, in case several programs share the same hardware. So it should work and cm_get_path() |
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15 Jun 2020, Stefan Ritt, Bug Report, deprecated function stime()
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The function stime() has been replaced by clock_settime() on Feb. 2020:
https://bitbucket.org/tmidas/midas/commits/c732120e7c68bbcdbbc6236c1fe894c401d9bbbd
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18 Jun 2020, Stefan Ritt, Forum, ODB key length
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No. But if you need more than 32 characters, you do something wrong. The
information you want to put into the ODB key name should probably be stored in
another string key or so.
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