This is a remake of the FSUDAQ using Qt6
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Histogram1D.h bug fix on filling Historgram 1D 2024-08-23 18:26:56 -04:00
Histogram2D.h tested Coincident Analyzer for 20 kHz/channel, backward event builder. added save/load settings for that too 2024-06-28 15:08:58 -04:00
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MultiBuilder.cpp [MAJOR] Analayzer::UpdateHistograms moved to a worker that in a thread, only tested with CoincidentAnalyzer, need to change others 2024-08-29 14:45:11 -04:00
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RegisterAddress.h QDC Recordlength only for the whole board 2024-03-19 18:36:49 -04:00
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SingleSpectra.cpp [MAJOR] Analayzer::UpdateHistograms moved to a worker that in a thread, only tested with CoincidentAnalyzer, need to change others 2024-08-29 14:45:11 -04:00
SingleSpectra.h add Locale 2024-08-30 12:27:24 -04:00

Discord

https://discord.gg/xVsRhNZF8G

Introduction

This is a DAQ for 1st gen CAEN digitizer for

  • x725, x725S, x730 with PHA and PSD firmware.
  • V1740 with QDC firmware

It has scope (updated every half-sec), allow full control of the digitizer (except LVDS), and allow saving waveform.

It can be connected to InfluxDB v1.8+ and Elog.

Each channel has it own 1D histogram. It will not be filled by default, but can enable it in the "Online Histgrams" panel. The binning of each histogram will be saved under the raw data path as singleSpectaSetting.txt

Wiki

https://fsunuc.physics.fsu.edu/wiki/index.php/CAEN_digitizer

Online analyzer

A Multi-builder (event builder that can build event across multiple digitizer) is made. It has normal event building code and also a backward event building code that build events from the latest data up to certain amont of event.

A 1-D and 2-D histogram is avalible. In the 2-D histogram, graphical cuts can be created and rename.

An online analyzer class is created as a template for online analysis. An example is the SplitPoleAnalyzer.h. It demo a 2-D histogram and a 1-D histogram, and the way to output the rates of cuts to influxDB.

Notice that, when the FSUDAQ is started, the online analyzer is not created, no event will be built. Once the online anlyzer is created and opened, event will be built, even the window is closed.

Create a custom online analyzer

Under the analyzer folder, there are few examples can be followed. Teh idea is create a derivative class based on the Analyzer.h. To implement the new online analyzer, user need to modify a few things:

  • add the code file into FSUDAQ_At.pro
  • add the header to the top of FSUDAQ.cpp
  • edit the vector onlienAnalyzerList at th etop of FSUDAQ.cpp
  • edit the FSUDAQ::OpenAnalyzer()

after that, we need to update the makefile by

>qmake6 FSUDAQ_Qt6.pro

and then recompile by

>make 

Operation

When programSettings.txt is presented in the same folder as the FSUDAQ_Qt, the program will load it can config the following

  • (line 1) raw data path, where the data will be stored.
  • (line 2) the influxDB v1.8+ IP
  • (line 3) the database name
  • (line 4) the influxDB token (for v2.0+)
  • (line 5) the elog IP
  • (line 6) the elog logbook name
  • (line 7) elog user name
  • (line 8) elog user password

If no programSettings.txt is found. The program can still search for all digitizers that connected using optical cable.

Missing the raw data path will disable save data run, but still can start the ACQ. Missing InfluxDB (elog) variables will disable influxDB (elog).

Keyboard control

  • F4 open any drop-down list
  • tab for next element
  • crtl+tab for previous element
  • space for "press a button"
  • alt + tab for switching different windows
  • up/down arrow for increase/decrease number (Blue Tex = value not set, Red Tex = value cannot set)

Data folder

User must setup the data path for data take. Without the data path, user still can run the DAQ. Inside the data path, when a run is started there are

  • RunTimestamp.dat <- this store the timestamps and comments for all runs
  • RunTimestamp.csv <- csv format for the RunTimestamp.dat, easy for inport to excel
  • lastRun.sh <- some data for bash script
  • *.fsu <- all data file
  • *.bin <- setting file

ToDo

  • Gaussians fitting for 1D Histogra
  • Save Histogram?

Required / Development enviroment

Ubuntu 22.04

  • CAENVMELib v3.3 +

  • CAENCOmm v1.5.3 +

  • CAENDigitizer v2.17.1 +

  • CAEN A3818 Driver v1.6.8 +

  • CAENUSBdrv v1.5.5 + (for V57XX digitizer with USB connection)

  • qt6-base-dev

  • libqt6charts6-dec

  • libcurl4-openssl-dev

  • elog

The CAEN Libraries need to download and install manually. The other libraries can be installed using the following command:

sudo apt install qt6-base-dev libqt6charts6-dev libcurl4-openssl-dev elog

The elog installed using apt is 3.1.3. If a higher version is needed. Please go to https://elog.psi.ch/elog/

The libcurl4 is need for pushing data to InfluxDB v1.8+

InfluxDB can be installed via sudo apt install influxdb for v1.8. the v2.0+ can be manually installed from the InfluxDB webpage https://docs.influxdata.com/influxdb/v2/.

The QCustomPlot (https://www.qcustomplot.com/index.php/introduction) source files are already included in the repository.

For A4818 optical-USB

need to install the A4818 driver.

Make sure connect the optical fiber before switch on the digitizer(s). If unplug the optical fiber and reconnect, need to restart the digitizer(s).

For A5818 PCI gen 3

need to install CAENVMELib v4.0 +

For Raspberry Pi installation

All required CAEN Libraries support ARM archetect, so installation of those would not be a problem.

THe libqt6charts6-dev should be replaced by qt6-chart-dev, and the elog need to be installed manually (or can be skipped)

sudo apt install qt6-base-dev qt6-chart-dev libcurl4-openssl-dev

I tested with a Raspberry Pi 5 with 8 GB + A4818 optical-USB adaptor. it works.

Compile

in case the *.pro not exist or modified

use qmake6 -project to generate the *.pro

in the *.pro, add

  • QT += core widgets charts printsupport
  • LIBS += -lCAENDigitizer -lcurl

if *.pro exist

then run qmake6 *.pro it will generate Makefile

then make

if you want to use GDB debugger, in the *.pro file add

QMAKE_CXXFLAGS += -g

Auxillary programs (e.g. Event Builder)

There is a folder Aux, this folder contains many auxillary programs, such as EventBuilder. User can make under the folder to compile the programs.

Known Issues

  • If accessing the database takes too long, recommend to disable the database.
  • Pile up rate is not accurate for very high input rate ( > 60 kHz ).
  • When using the scope, the Agg/Read must be smaller than 512.
  • Although the Events/Agg used the CAEN API to recalculate before ACQ start, for PHA firmware, when the trigger rate changed, the Events per Agg need to be changed.
  • The Agg Organization, Event per Agg, Record Length are strongly correlated. Some settings are invalid and will cause the digitizer goes crazy.
  • Load digitizer setting would not load everything, only load the channel settings and some board settings.
  • Sometimes, the buffer is not in time order, and make the trigger/Accept rate to be nagative. This is nothing to do with the program but the digitizer settings. Recommand reporgram the digitizer.
  • For 1740 QDC, RecordLenght is board setting, but readout is indivuial group.
  • For PHA, the trapezoid scaling and fine-gain register are calculated before ACQ start.

Known Bugs

  • EventBuilder will crash when trigger rate of the data is very high.