CRON: Crate/Card/Channel Status

                              Titles:  CRON
                              =============
 
NB  The CRON/VRLY/VTHR banks are now obsolete.  
    They have been replaced by the DQCH/DQCR banks

Contact:  Mark Howe (University of Washington)
 
 
Revision History:-
================
 
3.01    D. Wark         First version.
3.02    M. Howe         Complete redesign to bring into line with DAQ.


 
Titles Files
------------
 
ccc_info.dat
 
 
Verification
------------
 
 
Description
-----------
 
Contains status of each crate (on/off-line), each card (on/off-line) and each
channel (en/dis-abled)

IMPORTANT:  In all the tables below, the ordering is Crate/Card/Channel NOT
Card/Crate/Channel so as to avoid wasting space.

 
Data Words
----------
 
        Fixed length Database Header.  See titles_dbhdr.html

    Data types: B(bit), I, F, D(double), H(hollerith 4 char)

              KCRON_
 

    1     I   ENABLED      =0 if bank to be ignored (=1 for DAQ data)
    2     I   NUM_CRATE    Number of crates (=19 for DAQ data))
    3     I   CRATE_TBL    Start of crate table (=21 for DAQ data)
    4     I   CARD_TBL     Start of card table (=40 for DAQ data)
    5     I   CHAN_TBL     Start of channel table (=344 for DAQ data)
6..20     I                Spare words

    Next comes a crate table with 1 word for each of NUM_CRATE crates

CRATE_TBL
+i_crate  I                = 0 off-line, =1 on-line for i_crate (=0..18 for DAQ)

    Next comes a card table with 1 word for each of NUM_CRATE*16 channels
    Define logical crate card (lcc)  = 16*i_crate + i_card

CARD_TBL
  + lcc   I                = 0 off-line, =1 on-line for lcc

    Next come a channel table with 1 word for each of NUM_CRATE*16 cards

CHAN_TBL
  + lcc   I                Bit mask for card lcc:-
                              Bit i_chan set if i_chan channel is enabled