CODA Summary

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OPS Network

Mott DAQ Host: 

         name      =>  opsmdaq0
         ip        =>   129.57.236.240

Mott DAQ SBC: 

        name       =>  sbcmdaq0
        ip        =>   129.57.236.242

Mott DAQ IOC: 

        name       =>  iocmdaq1
        ip         =>   129.57.236.241

Other network information: 

        name       =>  opsnet
        number     =>  129.57.236.0
        mask       =>  255.255.252.0
        cidr       =>  22
        hexmask    =>  0Xfffffc00
        broadcast  =>  129.57.239.255
        gateway    =>  129.57.236.1
        domain     =>  acc.jlab.org
        vlan       =>  5
        comment    =>  OPS


Mott DAQ sbcmdaq0

CentOS release 5.10 (Final), Kernel 2.6.18-371.6.1.el5PAE on an i686 

There are two ways to access the Mott DAQ VME SBC:
  1. From an accelerator machine: telnet sbcmdaq0
  2. From an accelerator machine: ioc_concole sbcmdaq0. Here you need to enter a password to this cannot be done with the idaq account.


Mott DAQ iocmdaq1

There are two ways to access the Mott DAQ ioc:
  1. From an accelerator machine: telnet iocmdaq1
  2. From an accelerator machine: ioc_concole iocmdaq1. Here you need to enter a password to this cannot be done with the idaq account.
The startup file: idaq@opsmdaq0:/cs/op/iocs/iocmdaq1/startup

 # IOC: iocmdaq1
 # Location:
 shellPromptSet("vxwrks@iocmdaq1 -> ");
 # Add the DAQ Host
 hostAdd "opsmdaq0","129.57.236.240"
 # Mount the CODA Distribution
 nfsMount "opsmdaq0","/opt","/opt"
 # Load CODA software and Drivers for Mott system
 cd "/opt"
 < /opt/coda/boot/mott_roc1.boot



The CODA boot file: idaq@opsmdaq0:/opt/coda/boot/mott_roc1.boot

 # Boot file for CODA ROC 2.6.2
 # PowerPC version
 # Add Multicast Routes for cMsg support
 mRouteAdd("224.0.0.0","129.57.236.0",0xf0000000,0,0)
 # Load host table
 hostAdd("opsmdaq0.acc.jlab.org","129.57.236.240")
 # Setup environment to load coda_roc
 putenv "MSQL_TCP_HOST=opsmdaq0"
 putenv "EXPID=inj"
 putenv "TCL_LIBRARY=/opt/coda/2.6.2/common/lib/tcl7.4"
 putenv "ITCL_LIBRARY=/opt/coda/2.6.2/common/lib/itcl2.0"
 putenv "DP_LIBRARY=/opt/coda/2.6.2/common/lib/dp"
 putenv "SESSION=injuser"
 # Load Tempe DMA Library
 ld< /opt/coda/2.6.2/extensions/tempeDma/usrTempeDma.o
 usrVmeDmaConfig(2,3,0)
 # Load JLAB FADC library
 ld < /opt/coda/2.6.2/extensions/fadcV2/v2.0/fadcLib.o
 # Load cMsg Stuff
 cd "/opt/coda/2.6.2/cMsg/vxworks-ppc"
 ld< lib/libcmsgRegex.o
 ld< lib/libcmsg.o
 # New TI library
 ld < /opt/idaq/crl/tid/tidLib.o
 # Load the CODA Readout controller
 cd "/opt/coda/2.6.2/VXWORKSPPC/bin"
 ld < coda_roc_rc3.6
 ld < /opt/idaq/lib/v895/v895.o
 ld < /opt/idaq/lib/v775/v775.o
 ld < /opt/idaq/lib/JLabdiscr/vmeDSClib.o
 ld < /opt/idaq/lib/JLabdiscr/GUIDiscrim/vmetcpserver.o
 # Initialize the event counter
 ncnt = 0
 # global variable, needed for out-of-time scalers to inform CODA they're ready
 scaRunReady = 0
 scaNbError=0
 # global to control printouts of SIS3801
 scaDebug = 0
 # global variable, needed to tell scalers ROC is active
 rocActivate = 0
 # Helicity timing board globals
 vxhelclock=0
 vxheltsettle=0
 vxheltstable=0
 vxhelpattern=1
 vxheldelay=0
 vxhelfreq=0
 # Scaler libraries (on idaq)
 ld < /opt/idaq/scaler/intlib/5.5/scalIntLib.o
 ld < /opt/idaq/scaler/SIS3801/SIS3800.o
 ld < /opt/idaq/scaler/SIS3801/SIS3801.o
 ld < /opt/idaq/scaler/SIS3801.no_ring/SIS3801_noring.o
 sis3801Init(1);
 ld < /opt/idaq/scaler/scaser/scaser.o
 taskSpawn "scalServ",125,spTaskOptions,10000,bobServer
 initSIS()
 initISR_SIS()
 end_run_flag=0
 taskSpawn "SISProd",95,spTaskOptions,10000,SISProducer
 runStartClrSIS()
 # Helicity info gathering
 ld < /opt/idaq/helicity/sgethel.o
 taskSpawn "helinfoServ",127,spTaskOptions,10000,helServer
 # Spawn tasks
 taskSpawn ("ROC",200,8,250000,coda_roc,"","-s","inj","-objects","ROC1 ROC")
 sp main


CODA Files

CODA crl files are in: idaq@opsmdaq0: /opt/idaq/crl
Scalers.crl
Mott_Sample.crl
Mott_SemiInt.crl
PEPPo_Int.crl
To compile: makelist Mott_Sample.crl ppc

CODA scripts files are in: idaq@opsmdaq0: /opt/idaq/scripts


Summary of CODA Configurations

Name Readout Output Trigger
Scalers Scaler S1 (helicity gated), S2 (un-gated) Scalers_%d.dat Delayed nT_Settle
Mott_Sample Mott FADC, S1, S2, TDC Mott_Sample_%d.dat Mott Detector
Mott_SemiInt Mott FADC, S1, S2, TDC Mott_SemiInt_%d.dat Mott Detector
PEPPo_Int INT FADC, S1, S2 PEPPo_Int_%d.dat nT_Settle


Backup Data Files to SILO

Cron scripts are installed on the idaq account on opsmdaq0 to back up data and delete it from /data and /data1: 

/opt/idaq/cron/cron_opsmdaq0

Do not attempted to copy, delete, move, or rename files. Never !

The scripts assume that data appears in /data*/DIR where DIR = "annihilation" or "compton" or "mott" Files must have the keywords "PEPPo" or "Scalers" or at least "dat". This avoids writing scratch files like root output. Do not start putting data in some new place or with new names. It won't be backed up to MSS if you do that.

The data are deleted from local disks if they have been written in duplicate with correct byte count to the MSS tape silo. The data stay on disk for an amount of time that is related to the amount of disk space is available. If lots of disk available, the data stay forever. If not much disk, the data are deleted aggressively. 

 The data is copied to: /mss/accel/peppo/raw

The copying of data was disabled on January 3rd, 2014.
 - To list: crontab -l
 - To remove: crontab -r
 - Check again: crontab -l
 - To load: crontab cron_opsmdaq0 (in /opt/idaq/cron)


Mott FADC

 const FADC_ADDR       = 0x680000  # 12 bit fADC MOTT - Slot 7
 const FADCMODE        = 1 (Mott_Sample)
 const FADCMODE        = 3 (Mott_SemiInt)
 const FADCSLOT_Mott   = 7
 const TRSPLIT         = 0xeb13   # Address of fADC Signal Distribution Module

 CH1 - E LEFT     Range - 0.5 V  DAC_offset = 3300
 CH2 - E RIGHT          - 0.5 V  DAC_offset = 3300
 CH3 - E UP             - 0.5 V  DAC_offset = 3300
 CH4 - E DOWN           - 0.5 V  DAC_offset = 3300
 CH5 - dE LEFT          - 0.5 V  DAC_offset = 3300
 CH6 - dE RIGHT         - 0.5 V  DAC_offset = 3300
 CH7 - dE UP            - 0.5 V  DAC_offset = 3300
 CH8 - dE DOWN          - 0.5 V  DAC_offset = 3300
 CH9 - BFM              - 1.0 V  DAC_offset = 3300
 CH10 - Empty           - 1.0 V  DAC_offset = 3300
 CH11 - Mott Trigger    - 1.0 V  DAC_offset = 3300
 CH12 - Empty           - 1.0 V  DAC_offset = 3300
 CH13 - Delayed Hel     - 1.0 V  DAC_offset = 3300
 CH14 - T_Settle        - 1.0 V  DAC_offset = 3300
 CH15 - Pat Sync        - 1.0 V  DAC_offset = 3300
 CH16 - Pair Sync       - 1.0 V  DAC_offset = 3300

Reference: JLab Module Manuals [1]

Reference: Media:FADC250_V2_ADC_FPGA_V5.pdf

Reference: Media:Programming_FADCV2_3.pdf


INT FADC

 const FADC_ADDR       = 0xed0000  # 12 bit fADC Int - Slot 10         
 const FADCMODE        = 3 (Int_Int, special)
 const FADCSLOT_PEPPo3 = 10
 const TRSPLIT         = 0xea13   # Address of fADC Signal Distribution Module

 Range - 2.0 V  DAC_offset = 3300

Reference: Media:PEPPo-FADC.pdf

Reference: Media:PEPPpoHelicityFirmware.pdf Media:PEPPpoHelicityFirmware.docx

All the relevant files are at: M:\FE\PEPPo. These files also copied to opsmdaq0 at: /opt/idaq/HaiDong_PEPPo.


TDC

 CAEN v775
 const int V775_ADD    = 0x1190

 From Coda file:
 Full Scale (ns) = v775_getFSR() = 134 ns
 Bin Resolution (ps) = (v775_getLSB()*1000.) = 34 ps/channel

 vxwrks@iocmdaq1 -> v775_printScaleInfo()
 v775 => fullscale register =255 (0xff), LSB=0.034902 ns/chan, full scale=134.023529 ns, sliding Gate=1

 The TDC is operated in Common Start Mode: v775_setupCommonStart()

Reference: Media:V775_manual.pdf


S1 and S2

 S1: SIS3801 at addr 0xa40000 
 S2: SIS3801 at addr 0xa50000

Reference: Media:SIS3801_manual.pdf


TID

 A24 Address for TID Module (0x100000 for VME Slot 2)
 const TRIG_ADDR       = 0x100000

Reference: Media:TImaster.pdf


Trigger Prescale

The input trigger can be prescaled by editing the crl file:
 /* Front panel trigger prescale: 2^<arg> */
 tidSetPrescale(0);


cefdmp/xcefdmp

The event dump utility (cefdmp) can display, in a readable ASCII format, events from the data files.

Syntax

% cefdmp [filename] [-o object] [-t tag] [-u uniquetag] [-s start] [-e end] [-d dictionary] [-x] 
% xcefdmp [same]

Options

o specify the source object name (CODA component name) 
t select specified tag number or name (full path in event structure) 
u select specified unique tag, independent of location in the event 
s number of first record in file to dump 
e number of last record in file to dump 
d specify dictionary for obtaining tag names and titles 
x hex dump of integers (default is decimal)


Xcefdmp screen1.jpg

Xcefdmp screen2.jpg


cedit and dbedit

Use cedit and/or dbedit to modify CODA database.


Cedit screen.jpg

Dbedit screen.jpg

Issues and FAQ

  • RunNumber: if the run number in msql is different from the one in CODA cool database, coda doesn't work. Open dbedit => localhost => sessions and change the RunNumber to match the one in CODA cool database.
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