How to Configure the ZPD
WARNING: Pages like this tend to get out of date as code is changed to
"improve" things. This page is believed to be correct on 25 March
2004. Contact Stephen Bailey if you find anything out of date.
Introduction
In general, the ZPDs will wake up with the correct LUT configuration, etc.
which is sufficient for most testing. There are two exceptions:
-
IP Corrections:
The ZPDs wake up with no IP offset corrections,
i.e. they assume that the IP is at (x,y) = (0,0).
-
Decision Module Cuts:
The ZPDs will wake up with some set of cuts, but it probably will be an
old set which isn't exactly what you want.
If you need to change how the ZPDs are configured, read on...
ZPD Configuration Code and Files
The ZPD configuration code lives in
L1DctOdf/L1DctBltZpdConfigure.
Configuration information comes from several files:
- /nfs/bbr-srv02/dataflow/7F/06/app/DczConfig/bltZpdMap.txt
- /nfs/bbr-srv02/dataflow/7F/06/app/DczConfig/zpdLutList.txt
- /nfs/bbr-srv02/dataflow/7F/06/app/DczConfig/zpdConfig.txt
These files contain the following information:
Which boards are where:
bltZpdMap.txt
This file contains the map information of which ZPDs are in which slots.
The format is:
slot boardtype octant
where boardtype 0=BLT and 1=ZPD. It appears that comments
starting with # are allowed at the end of the file, but not the
beginning. newTsfxMap.txt
contains the equivalent information for the TSF map, where boardtype
0=TSFx and 1=TSFy.
Which XTC configuration files to download:
zpdLutList.txt
This file contains a list of XTC files to load. These include:
Follow the links for each file for instructions on how to generate/use it.
Example file:
# ZPD LUT XTC files to load
zpdFinder.xtc
zpdFitter.xtc
zpdCuts.xtc
zpdiMask.xtc
# zpdIpCorr.xtc
zpdNoIpCorr.xtc
Miscellaneous other configuration information:
zpdConfig.txt
This file contains the DAQ and error
reporting configuration parameters. There are seven values on the
first line, followed by comments. The values are:
- daqMode
- DAQ window width in clk4 ticks
- segment DAQ offset
- output DAQ offset
- ship data every n events
- print error message every n events
- prescale factor for the segment mask data
If you don't know what these numbers
are, you probably aren't expert enough to change them.
Proceed with caution.
Further notes:
|
