GLAST front-end electronics test system at UCSC

System Requirements

• Hardware
  • mini MCM or full TMCM
  • LAT VME FRONT-END COM board (supplied by SLAC) (preliminary draft document)
  • GLAST TRACKER TMCM TEST INTERFACE BOARD (supplied by SLAC) (schematic diagram p1, p2, p3 )
  • VME crate
  • National Instruments PCI-MXI-2/MXI-VME-2 interface boards
  • PC running Linux or MS-Windows
• Software
  • Python 2.1 or 2.2
  • PMW (Python Mega Widgets)
  • SWIG
  • National Instruments NI-VXI/VISA software for Linux or MS-Windows
  • Visual C++ in a case of MS-Windows

Hardware Configuration

• Setup for TMCM acceptance test

Install Software

• Build a python library to handle VME module (original written by Kroeger, W.)
  Linux
  • Download source files from http://scipp.ucsc.edu/groups/glast/electronics/tmcm_daq_system_ucsc/code/pyvme_lnx/
  • Edit Makefile according to your system configuration
  • make
  • Copy "vmemodue.so" to a directory included in $PYTHONPATH
  
  MS-Windows
  • Download source files from http://scipp.ucsc.edu/groups/glast/electronics/tmcm_daq_system_ucsc/code/pyvme_win/
  • set environment variables as follows according to your system configuration

        NIVXIPATH       D:\National Instruments\Vxi
        NIVXI_INCLUDE   D:\National Instruments\VXI\NIVXI API\include
        NIVXI_LIB       D:\National Instruments\VXI\NIVXI API\win32\msvc6\nivxint.lib
        PYTHONPATH      D:\Python22\glastlib;D:\Python22\glastlib\TestVector
        PYTHON_INCLUDE  D:\Python22\include
        PYTHON_LIB      D:\python22\libs\python22.lib
        SWIG_PATH       D:\SWIG-1.3.16
        

  • open pyvme.dsp with Visual C++
  • build
  • Copy "pyvme.py" and "_pyvme.dll" to a directory included in $PYTHONPATH
  • Rename the file "pyvme.py" to "vme.py"
  
  
• Download python test-vector library (original written by Hirayama, M.) from http://scipp.ucsc.edu/groups/glast/electronics/tmcm_daq_system_ucsc/code/TestVector/
  to a directory included in $PYTHONPATH
• Download GUI utility and tutorial script from http://scipp.ucsc.edu/groups/glast/electronics/tmcm_daq_system_ucsc/code/tmcm_gui/

Run a Tutorial

• Run "tmcm_tvapp_gui.py"
  • A GUI panel like a below should be up.
• Open TestVector source
  • Push the button "Open TestVector source", and select a file for source of test vector.
  • Test script file written in python (TMCMtestSample.py) or binary data file (TMCMtestSample_in-bin.dat) are available there.
• Make TestVector
  • Select either "mini MCM" or "full TMCM" button according to the DUT type.
  • Push the button "Make TestVector only".
  • If the source file is a python script, it is encoded into the binary code and stored into array in python. If a binary data file is selected, the data is just loaded into array.
  • The outgoing test vector can be stored in formats of binary and text (VHDL) if their output file options are enabled. The binary file can be used as a source of test vector. The VHDL text file is used for diagnosis.
  • If "summary" of output file option is enabled, the array of the outgoing test vector is decoded and stored in a file.
• Load TestVector to COM board
  • Push the button "Load TestVector to COM board", then the test vector is loaded into the output FIFO on the VME COM board.
  • "TestVector length" means the number of clock cycle of the test vector. The length must be lower than 32K, the FIFO limit.
• Play TestVecor
  • Push the button "Play TestVector", then the test vector loaded on the output FIFO is applied to the DUT.
  • The playback test vector can be stored in formats of binary and text (VHDL) if their output file options are enabled. The VHDL text file is used for diagnosis.
  • If "summary" of output file option is enabled, the array of the playback test vector is decoded and stored in a file.
  • "Replay" repeat the test vector played just before.
• "Do everything"
  • When the buttom "Do everything" is pushed, all the steps from Make TestVector to Play TestVector are done automaticallly.
• Recommended Setup
  • Encode/decode of test vector takes a lof of time. Unnecessary output file options should be disabled.
  

Example of Python Test-Vector Script

• TMCMtestSample.py

Test Script Sample

• Some test scripts such as threshold scan, charge-injection scan are in this directry.