 17 May 2024, Konstantin Olchanski, Bug Report, midas alarm borked condition evaluation
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>
> And I think I know what caused the original problem in IRIS experiment, I think the list of EPICS variables got truncated from 30 to 20 and EPICS
> values 29 and 30 used in the alarm conditions have become lost.
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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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19 Aug 2024, Konstantin Olchanski, Release, kernel-module-universe updated to -KO7
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The linux kernel driver for the Universe-II VME to PCI bridge is updated to
version -KO7. It now builds and runs with Debian-12 stock kernel 6.1.0-22-686.
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19 Aug 2024, Konstantin Olchanski, Release, kernel-module-universe updated to -KO7
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> The linux kernel driver for the Universe-II VME to PCI bridge is updated to
> version -KO7. It now builds and runs with Debian-12 stock kernel 6.1.0-22-686.
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19 Aug 2024, Konstantin Olchanski, Release, kernel-module-universe updated to -KO7
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> > The linux kernel driver for the Universe-II VME to PCI bridge is updated to
> > version -KO7. It now builds and runs with Debian-12 stock kernel 6.1.0-22-686.
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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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11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
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> I'm trying to get a sense of the rate limitations of a python frontend.
1) python is single-threaded, for ultimate performance, a MIDAS frontend (or any DAQ
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11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
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>
> poll(INT count) {
> for (i=0 ; i<count ; i++)
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11 Sep 2024, Konstantin Olchanski, Forum, Python frontend rate limitations?
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> > I'm trying to get a sense of the rate limitations of a python frontend.
forgot one more:
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11 Sep 2024, Konstantin Olchanski, Bug Report, Multiple issues with mhist
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I think I can offer some insight into your problems:
1) your mhist crash is due to the ODB timeout, it is probably set to 30 seconds in ODB /programs/mhist. you will
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11 Sep 2024, Konstantin Olchanski, Suggestion, Improve Event Documentation
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> I am writing a Rust based midas file reader however it was kind of hard to understand the full midas file
> structure from the documentation.
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11 Sep 2024, Konstantin Olchanski, Info, Help parsing scdms_v1 data?
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Look at the C++ implementation of the MIDAS data file reader, the code is very
simple to follow.
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11 Sep 2024, Konstantin Olchanski, 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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11 Sep 2024, Konstantin Olchanski, Forum, "Safe" abort of sequencer scripts
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> We often use the MIDAS sequencer to temporarily control detector settings, such as:
>
> * <change some setting>
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12 Sep 2024, Konstantin Olchanski, Bug Fix, bitbucket builds repaired
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bitbucket builds work again, also added ubuntu-24 and almalinux-9.
two problems fixed:
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13 Sep 2024, Konstantin Olchanski, Bug Fix, rootana bitbucket build fixed
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rootana bitbucket build is fixed, only a few minor build problems. I am using the
root official docker image (which turned out to not work right out of the box
becuase of missing libvdt-dev package). K.O. |
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13 Sep 2024, Konstantin Olchanski, Bug Report, mfe.cxx with RO_STOPPED and EQ_POLLED
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> > I noticed that a check was added to mfe.cxx in 1961af0d6:
This is the reason I recommend against using mfe.c based frontends. There was never any
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13 Sep 2024, Konstantin Olchanski, Bug Fix, mstrcpy, was: strlcpy and strlcat added to glibc 2.38
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for the record, as ultimate solution, strlcpy() and strlcat() were wholesale
replaced by mstrlcpy() and mstrlcat(). this should fix "missing strlcpy()"
problem for good and make midas more consistent across all platforms (including
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