 21 Nov 2023, Ivo Schulthess, Forum, Polled frontend writes data to ODB without RO_ODB
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Good morning,
In our setup, we have a neutron detector that creates up to 16 MB of polled (EQ_POLLED) data in one event (event limit = 1) that we do not want to have |
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19 Jun 2020, Isaac Labrie-Boulay, Info, Building/running a Frontend Task
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To build a frontend task, the user code and system code are compiled and linked
together with the required libraries, by running a Makefile (e.g.
../midas/examples/experiment/Makefile in the MIDAS package).
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09 Jun 2020, Isaac Labrie Boulay, Info, Preparing the VME hardware - VME address jumpers. 
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Hey folks,
I'm currently working on setting up a MIDAS experiment and I am following the
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 12 Jun 2020, Isaac Labrie Boulay, Info, Preparing the VME hardware - VME address jumpers.
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> Hi, if you are not using any VME hardware, then you have no VME address jumpers to
> set. https://en.wikipedia.org/wiki/VMEbus
>
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15 Jun 2020, Isaac Labrie Boulay, Bug Report, Killing and ODB - Removed ODB client because process pid does not exists
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Hey everyone,
When I run mhttpd I get the following error message:
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05 Nov 2020, Isaac Labrie Boulay, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
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Hi everyone,
I have been building an experiment using the v1718 CAEN interface to talk to my modules and I am using the CAENVMElib Linux Library (2.50). I've managed |
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06 Nov 2020, Isaac Labrie Boulay, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
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06 Nov 2020, Isaac Labrie Boulay, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
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Yes, you are right. That fixed it and my frontend is compiling.
Thanks Pierre-Andre.
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24 Nov 2020, Isaac Labrie Boulay, Forum, Invalid name "Analyzer/Tests"
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Hi everyone,
I've recently took the analyzer template from $MIDASSYS/examples/experiment and
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07 Dec 2020, Isaac Labrie Boulay, Forum, Invalid name "Analyzer/Tests"
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> https://bitbucket.org/tmidas/midas/issues/298/invalid-odb-names-in-example-midas
> K.O.
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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Hi all,
I'm currently trying to build events through doing block transfers. The worry was
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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Thanks for the quick reply,
> > I'm currently trying to build events through doing block transfers.
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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> > > > I'm currently trying to build events through doing block transfers.
> > >
> > > I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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> > This is very hard to do using the mfe.c frontend. (the main reason I wrote the TMFE C++ frontend class).
>
> Actually that's not true. Just look at
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05 Jan 2021, Isaac Labrie Boulay, Bug Report, Logger: Disk nearly full.
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Hi all,
I've ran into a problem where my experiment gets interrupted with a message from
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06 Jan 2021, Isaac Labrie Boulay, 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, Isaac Labrie Boulay, Info, Recovering a corrupted ODB using odbinit.
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Hi all,
I am currently trying to recover my corrupted ODB using odbinit and I am still
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13 Jan 2021, Isaac Labrie Boulay, Forum, poll_event() is very slow.
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Hi all,
I'm currently trying to see if I can speed up polling in a frontend I'm testing.
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14 Jan 2021, Isaac Labrie Boulay, 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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15 Jan 2021, Isaac Labrie Boulay, Forum, poll_event() is very slow.
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> >
> > I'm currently trying to see if I can speed up polling in a frontend I'm testing.
> > Currently it seems like I can't get 'lam's to happen faster than 120 times/second.
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