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ZPD Finder/Fitter LUT Configuration
Modify these only if you really know what you are doing
The Finder and Fitter look up tables (LUTs) are generated using
L1DctConfig/dumpZpdLut (L1DctConfigUtils/dumpZpdLut from release 17.0.0). The steps are:
- If you don't have your own copy of L1DctConfig checked out
and compiled, you can try
~bailey/dev/teststand/bin/Linux24RH72_i386_gcc2953/dumpZpdLut
- Generate the LUT files using
dumpZpdLut -x. (Try -h for more options.)
This will create:
- zpdFinder.xtc and
zpdFinder.lut
- zpdFitter.xtc and
zpdFitter.lut
(This will also create zpdDecisionModule.xtc
and .lut for the Decision Module nSegs LUT.)
The .xtc files contain the binary format which is used in the configuration
(and eventually will be stored in the database). The .lut files are an ASCII
format with the same information. These are used by configuration
tests in the ZPD library.
- Copy those files into
/nfs/bbr-srv02/dataflow/7F/06/app/DczConfig/zpd/
- Edit
/nfs/bbr-srv02/dataflow/7F/06/app/DczConfig/zpdLutList.txt
to include the XTC files to load.
Several things to note:
- You shouldn't have to change these LUTs regularly, if ever. This should
only be done by experts.
- Changing the Finder/Fitter LUTs usually means that you have to resynthesize
the firmware as well. Don't just change these for fun.
- Two of the Finder LUTs are read-only in the firmware since changing them
requires changing other pieces of the firmware as well. These are not
output using dumpZpdLut -x. They are included when you use
dumpZpdLut -v to generate VHDL header files for resynthesizing the
firmware.
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