 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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 10 Jun 2020, Konstantin Olchanski, 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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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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05 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
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Today I fixed a long-annoying problem. We have in each front-end an equipment structure
which defined the event id, event type, readout frequency etc. This is mapped to the ODB
subtree
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06 Aug 2019, Thomas Lindner, Info, Precedence of equipment/common structure
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Hi Stefan,
This change does not sound like a good idea to me. I think that this change will cause just as much confusion as before; probably more since you are changing |
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06 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
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Hi Thomas,
the change only affects Eqipment/<name>/common not the Equipment/<name>/Settings.
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06 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
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After some internal discussion, I decided to undo my previous change again, in order not to break existing habits. Instead, I created a new function
set_odb_equipment_common(equipment, name);
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09 Aug 2019, Konstantin Olchanski, Info, Precedence of equipment/common structure
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> Today I fixed a long-annoying problem. ...
> /Equipment/<name>/Common
> In the past, the ODB setting took precedence over the frontend structure...
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13 Aug 2019, Stefan Ritt, Info, Precedence of equipment/common structure
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> Lacking any ideas for improvements, I vote for the status quo. (plus a review of the documentation to ensure we have clearly
> written up what each entry in "common" does and whether the user is permitted to edit it in odb).
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18 Sep 2008, Stefan Ritt, Info, Potential problems in multi-threaded slow control front-end
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We had recently some problems at our experiment which I would like to share
with the community. This affects however only experiments which have a slow
control front-end in multi-threaded mode.
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03 May 2024, Thomas Senger, Suggestion, Possible addition to IF Statements
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Hello there,
in our setup we use many variables with many different exceptions. Would it be possible to implement something like an
IF or/and IF statement? I believe that this is currently not possible.
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03 May 2024, Stefan Ritt, Suggestion, Possible addition to IF Statements
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The tinyexpr library I use to evaluate expressions does not support boolean operations. I would have to switch to the newer
tineyexpr-plusplus version, which also has much richer functionality:
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11 Jul 2023, Anubhav Prakash, Forum, Possible ODB corruption! Webpages https://midptf01.triumf.ca/?cmd=Programs not loading!
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The ODB server seems to have crashed/corrupted. I tried reloading the previous
working version of ODB(using the commands in folliwng image) but it didn't work.
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11 Jul 2023, Thomas Lindner, Forum, Possible ODB corruption! Webpages https://midptf01.triumf.ca/?cmd=Programs not loading!
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Hi Anubhav,
I have fixed the ODB corruption problem.
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17 Mar 2015, Wes Gohn, Forum, PosgresQL
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For our MIDAS installation at Fermilab, it is necessary that we be able to write to a PosgresQL
database (MySQL is not supported here). This will be required of both mlogger and mscb.
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17 Mar 2015, Lee Pool, Forum, PosgresQL
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> For our MIDAS installation at Fermilab, it is necessary that we be able to write to a PosgresQL
> database (MySQL is not supported here). This will be required of both mlogger and mscb.
>
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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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22 Nov 2023, Stefan Ritt, Forum, Polled frontend writes data to ODB without RO_ODB
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I cannot confirm that. I just tried myself with examples/experiment/frontend.cxx, removed the RO_ODB, and the trigger events did NOT get copied to the ODB.
Actually you can debug the code yourself. The relevant line is in mfe.cxx:2075:
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15 Dec 2003, Stefan Ritt, , Poll about default indent style
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Dear all,
there are continuing requests about the C indent style we use in midas. As
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18 Dec 2003, Paul Knowles, , Poll about default indent style
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Hi Stefan,
> once and forever, I am considering using the "indent" program which comes
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