 08 Jul 2021, Francesco Renga, Forum, Problem with python file reader
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Dear experts,
while trying to readout a MIDAS file from a python script. I get the error below at the very first event. Any hint?
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30 Sep 2021, Francesco Renga, Forum, OPC client within MIDAS
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Dear all,
I need to integrate in my MIDAS project the communication with an OPC UA
server. My plan is to develop an OPC UA client as a "device" in
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22 Oct 2021, Francesco Renga, Forum, mhttpd error
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Dear all,
I am trying to make the MIDAS web server for my DAQ project accessible from other machines. In the ODB, I activated the necessary flags:
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 25 Oct 2021, Francesco Renga, Forum, mhttpd error
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It worked, thank you very much!
Francesco
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25 Oct 2021, Francesco Renga, Forum, Logger crash
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Hello,
I'm experiencing crashes of the mlogger program on the time scale of a couple
of days. The only messages from MIDAS are:
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09 Nov 2021, Francesco Renga, Forum, Issue in data writing speed
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Dear all,
I've a frontend writing a quite big bunch of data into a MIDAS bank (16bit output from a 4MP photo camera).
I'm experiencing a writing speed problem that I don't understand. When the photo camera is triggered at a low rate (< 2 Hz)
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10 Feb 2022, Francesco Renga, Forum, OPC client within MIDAS 
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Dear all,
I finally succeeded to get a working driver for the communication with an OPC
UA server. It is based on the open62541 library and I use it in combination with the
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19 Jun 2022, Francesco Renga, Forum, Alarm on variable not updating
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Dear all,
I've an ODB equipment that sometimes loses the connection with the hardware, so that the variables are not updated anymore. The connection can be
restored by restarting the frontend. It would be useful to have an alarm based on the time from the last update of some variable (i.e. the alarm is triggered |
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23 Oct 2023, Francesco Renga, Forum, Device with inputs and outputs
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Dear all,
I'm writing a very simple device driver starting from the nulldev.cxx
example.
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17 Jan 2024, Francesco Renga, Forum, History tags
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Dear experts,
I would like to have some clarification about the meaning and use of the
tags in the ODB under /History/Tags.
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26 May 2025, Francesco Renga, Forum, Reading two devices in parallel
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Dear experts,
in the CYGNO experiment, we readout CMOS cameras for optical readout of GEM-TPCs. So far, we only developed the readout for a single camera. In the
future, we will have multiple cameras to read out (up to 18 in the next phase of the experiment), and we are investigating how to optimize the readout |
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25 Aug 2011, Francesco Prelz, Forum, 64-bit integer support in MIDAS
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Hi,
I've been doing some preliminary work to use at least the MIDAS
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05 Feb 2007, Fedor Ignatov, Bug Report, segmentation violation of analyzer on a x86_64
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Hello,
When I connect to analyzer on a x86_64 processor(with Roody),
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06 Feb 2007, Fedor Ignatov, Bug Report, segmentation violation of analyzer on a x86_64
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Yes right, Problem of a segmentation violation is solved with this patch. Now it works
fine on x86_64.
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11 Mar 2025, Federico Rezzonico, Bug Report, python hist_get_events not returning events, but javascript does
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After starting midas (mhttpd &, and mlogger -D) and running the `fetest` frontend I went into the midas/python/examples directory and ran basic_hist_script.py,
and, even though I could see the 'pytest' program in the Programs page,
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16 Mar 2025, Federico Rezzonico, Bug Report, python hist_get_events not returning events, but javascript does
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> After starting midas (mhttpd &, and mlogger -D) and running the `fetest` frontend I went into the midas/python/examples directory and ran basic_hist_script.py,
and, even though I could see the 'pytest' program in the Programs page,
>
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17 Mar 2025, Federico Rezzonico, Bug Report, python hist_get_recent_data returns no historical data
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Setup:
setting up midas, starting mhttpd and mlogger and running fetest.
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17 Mar 2025, Federico Rezzonico, Bug Report, python hist_get_recent_data returns no historical data
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> Unfortunately I again cannot reproduce this:
>
> $ python ~/DAQ/midas_latest/python/examples/basic_hist_script.py
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18 Mar 2025, Federico Rezzonico, Bug Report, python hist_get_recent_data returns no historical data
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> Unfortunately I again cannot reproduce this:
>
> $ python ~/DAQ/midas_latest/python/examples/basic_hist_script.py
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22 Jun 2004, Exaos Lee, , How to compile under Darwin-gcc? (MacOS X)
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I add the following to makefile and try to treat Darwin as FreeBSD/Linux.
But I failed.
============
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