CAEN VX1190A TDC

CAEN VX1190A multihit TDC, 96 channels

User Manual

File:VX1190A UserManualRev13.pdf

Addressing

From the picture and the above diagram it looks like the module is at the following settings

<bits 19-16>=0x01

<bits 23-20>=0x02

<bits 27-24>=0x08

<bits 31-29>=0x00

ROL initializing

#  Address for TDC CAEN 1190
const NC1190 = 1
const C1190_ADDR = 0x210000
const C1190_OFFSET = 0x10000
# Maximum number of 32bit words from C1190
const C1190_MAX_DATA = 128
const C1190_BLOCK_READ = 1
# Note that C1190_ADDR must be A32 for 2eSST, A24 okay for BLT/MBLT


  tdc1190Init(C1190_ADDR,C1190_OFFSET,NC1190,1);
  tdc1190SetTriggerMatchingMode(i);
  tdc1190SetEdgeResolution(i,100);
   tdc1190EventFifo(i,0); /* Must be enabled(disabled) for Linked List (direct) DMA */
      tdc1190SetBLTEventNumber(i,C1190_BLOCK_READ);

output from ROC_CODA when after download

Initialized TDC ID  0 at address 0xa6b79000 
tdc1190SetEdgeResolution(0): Set Edge Resolution to 100 ps

Errors

invalid event pointer

tdc1190ReadBlock: ERROR in DMA transfer Initialization 0xffffffff
jlabgefDmaSend: ERROR:  the_event pointer is invalid!

gen_int_list.crl

#
#  General User readout list
#
#    David Abbott, TJNAF 2000

readout list GEN_USER
maximum 1024,512
general readout

# A16 Address for SIS3610 Module
const TRIG_ADDR=0x3800

#  Address for TDC CAEN 1190
const NC1190 = 1
const C1190_ADDR = 0x210000
const C1190_OFFSET = 0x10000
# Maximum number of 32bit words from C1190
const C1190_MAX_DATA = 128
const C1190_BLOCK_READ = 1
# Note that C1190_ADDR must be A32 for 2eSST, A24 okay for BLT/MBLT

extern int bigendian_out;

begin download

variable res, i

  vmeOpenDefaultWindows();
  s3610Init(TRIG_ADDR,0,0);

# When sending to a Linux Host set bigendian_out = 0
bigendian_out = 1;

  log inform "Initializing TDC 1190"


# SETUP caen1190
%%
  tdc1190Init(C1190_ADDR,C1190_OFFSET,NC1190,1);
  tdc1190SetTriggerMatchingMode(0);
  tdc1190SetEdgeResolution(0,100);
  tdc1190EventFifo(0,0); /* Must be enabled(disabled) for Linked List (direct) DMA */
  tdc1190SetBLTEventNumber(0,C1190_BLOCK_READ);
  tdc1190BusError(0,C1190_BLOCK_READ); /* 1: BERR/2eTERM for block reads (DMA), 0 for SCT */
 /*     tdc1190SetWindowWidth(0,51176); */
 /*     tdc1190SetWindowOffset(0,-800001); */

%%



  log inform "User Download Executed"

end download

begin prestart

  variable jj, adc_id

  log inform "Entering User Prestart"

  init trig source GEN
  link async trig source GEN 1 to usrtrig and usrtrig_done
  event type 1 then read GEN 1

%%
      tdc1190Status(0);
%%

  log inform "User Prestart Executed"

end prestart

begin end

  CDODISABLE(GEN,1,1);

  log inform "User End Executed"

end end

begin pause

  CDODISABLE(GEN,1,1);

  log inform "User Pause Executed"

end pause
begin go

  log inform "Entering User Go"

  CDOENABLE(GEN,1,1);

end go

begin trigger usrtrig

variable ii, event_ty, event_no, datascan, imod, nwrds
variable evStored

  rol->dabufp = (long *) 0;
  open event type EVTYPE of BT_UI4

%%
   /* Check for valid data here */
  for(ii=0;ii<100;ii++)
    {
      datascan = tdc1190Dready(0);
      if (datascan>0)
        {
          break;
        }
    }

  if(datascan>0)
    {

      // Get the TDC data from all modules... rflag=1 block read, 0 for SCT
      for(imod=0;imod<1;imod++)
	{
          nwrds = tdc1190ReadBlock(imod,rol->dabufp,C1190_MAX_DATA,C1190_BLOCK_READ);
          if(nwrds < 0)
            {
              logMsg("ERROR: in transfer (event = %d), status = 0x%x\n",
                     event_no,nwrds);
              *rol->dabufp++ = 0xda000bad;
            }
          else
            {
              rol->dabufp += nwrds;
            }
        }
    }
  else
    {
      evStored = tdc1190GetEventStored(0);
      logMsg("ERROR: Data not ready in event %d  evStored = %d\n",event_no,evStored);
      *rol->dabufp++ = 0xda000bad;
    }

%%

 close event

end trigger

begin done usrtrig

end done

begin done
# Re-enable Trigger Source here
  s3610IntAck(1);

end done

begin status

end status

Data Record

General Header:

bits 0->4 = GEO =0x01000

bits 5->26 = Event counter

bits 27->31 = global header = 01000

0x400083a8 = 1000000000000001000001110101000

event number = 0x0000000000010000011101 = 0x41d

0x400083c8 = 1000000000000001000001111001000

event number = 0000000000010000011110

0x400083e8=1000000000000001000001111101000

event number = 0000000000010000011111

VME_modules