 12 Feb 2024, Konstantin Olchanski, Info, MIDAS and ROOT 6.30
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Starting around ROOT 6.30, there is a new dependency requirement for nlohmann-json3-dev from https://github.com/nlohmann/json.
If you use a Ubuntu-22 ROOT binary kit from root.cern.ch, MIDAS build will bomb with errors: Could not find a package configuration file provided by "nlohmann_json"
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14 Feb 2024, Konstantin Olchanski, Info, bitbucket permissions
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I pushed some buttons in bitbucket user groups and permissions to make it happy
wrt recent changes.
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08 Mar 2024, Konstantin Olchanski, Info, MIDAS frontend for WIENER L.V. P.S. and VME crates
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Our MIDAS frontend for WIENER power supplies is now available as a standalone git repository.
https://bitbucket.org/ttriumfdaq/fewienerlvps/src/master/
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01 Apr 2024, Konstantin Olchanski, Info, xz-utils bomb out, compression benchmarks
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you may have heard the news of a major problem with the xz-utils project, authors of the popular "xz" file compression,
https://nvd.nist.gov/vuln/detail/CVE-2024-3094
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02 Apr 2024, Zaher Salman, Info, Sequencer editor 
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Dear all,
Stefan and I have been working on improving the sequencer editor to make it look and feel more like a standard editor. This sequencer v2 has been finally
merged into the develop branch earlier today.
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 02 Apr 2024, Konstantin Olchanski, Info, Sequencer editor
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> Stefan and I have been working on improving the sequencer editor ...
Looks grand! Congratulations with getting it completed. The previous version was
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04 Apr 2024, Konstantin Olchanski, Info, MIDAS RPC data format
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I am not sure I have seen this documented before. MIDAS RPC data format.
1) RPC request (from client to mserver), in rpc_call_encode()
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24 Apr 2024, Konstantin Olchanski, Info, MIDAS RPC data format
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> 4.5) TID_IN32|RPC_VARARRAY does not work, corrupts following parameters. MIDAS only uses TID_ARRAY|RPC_VARARRAY
fixed in commit 0f5436d901a1dfaf6da2b94e2d87f870e3611cf1, TID_ARRAY|RPC_VARARRAY was okey (i.e. db_get_value()), bug happened only if rpc_tid_size()
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24 Apr 2024, Konstantin Olchanski, Info, MIDAS RPC add support for std::string and std::vector<char>
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I now fully understand the MIDAS RPC code, had to add some debugging printfs,
write some test code (odbedit test_rpc), catch and fix a few bugs.
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14 May 2024, Konstantin Olchanski, Info, ROOT v6.30.6 requires libtbb-dev
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root_v6.30.06.Linux-ubuntu22.04-x86_64-gcc11.4 the libtbb-dev package.
This is a new requirement and it is not listed in the ROOT dependancies page (I left a note on the ROOT forum, hopefully it will be
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24 May 2024, Konstantin Olchanski, Info, added ubuntu 22 arm64 cross-compilation
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Ubuntu 22 has almost everything necessary to cross-build arm64 MIDAS frontends:
# apt install g++-12-aarch64-linux-gnu gcc-12-aarch64-linux-gnu-base libstdc++-12-dev-arm64-cross
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29 May 2024, Konstantin Olchanski, Info, MIDAS RPC add support for std::string and std::vector<char>
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This is moving slowly. I now have RPC caller side support for std::string and
std::vector<char>. RPC server side is next. K.O. |
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02 Jun 2024, Konstantin Olchanski, Info, MIDAS RPC data format
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> MIDAS RPC data format.
> 3) RPC reply
> 3.1) header:
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08 Aug 2024, Stefan Ritt, Info, mana.cxx
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We are considering to remove the analyzer framework mana.cxx from MIDAS. It
currently has some compiler warnings and we wonder if we should fix them which
would take some time or just remove the file. We have now to much more modern
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23 Aug 2024, Stefan Ritt, Info, mana.cxx
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Ok, no relevant complains so far, so I removed mana and rmana from the CMake build
process, but left the file mana.cxx still in the repository for educational
purposes ;-)
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25 Aug 2024, Adrian Fisher, Info, Help parsing scdms_v1 data?
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Hi! I'm working on creating a ksy file to help with parsing some data, but I'm having trouble finding some information. Right now, I have it set up very
rudimentary - it grabs the event header and then uses the data bank size to grab the size of the data, but then I'm needing additional padding after the
data bank to reach the next event.
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26 Aug 2024, Stefan Ritt, Info, Help parsing scdms_v1 data?
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The MIDAS event format is described here:
https://daq00.triumf.ca/MidasWiki/index.php/Event_Structure
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26 Aug 2024, Adrian Fisher, Info, Help parsing scdms_v1 data?
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[quote="Stefan Ritt"]The MIDAS event format is described here:
https://daq00.triumf.ca/MidasWiki/index.php/Event_Structure
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04 Sep 2024, Stefan Ritt, Info, News MSCB++ API
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I had two free afternoon and took the opportunity to write a new API for the MSCB
system. I'm not sure if anybody else actually uses MSCB (MIDAS slow control bus),
but anyhow.
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11 Sep 2024, Konstantin Olchanski, Info, News MSCB++ API
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> Here is some example code:
>
> #include "mscbxx.h"
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