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  760   10 May 2011 Pierre-Andre AmaudruzForumsimple example frontend for V1720

Jianglai Liu wrote:
Hi,

Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
V1720 FADC? I am trying to set up the DAQ for such a simple system.

I put together a frontend which talks to the VME. However it gets stuck at
"Calibrating" in initialize_equipment().

I'd appreciate some help!

Thanks,
Jianglai


Under the drivers/vme you can find code for the v1720.c (VME access) and ov1720.c
(A2818/A3818 PCIe optical link access). For testing the hardware, we use this code compiled and linked
with MAIN_ENABLE to confirm its functionality. You may want to do the same for your USB. Once this
is under control, the Midas frontend implementation using the same driver shouldn't give you trouble.
  761   18 May 2011 Jimmy NgaiForumsimple example frontend for V1720

Jianglai Liu wrote:
Hi,

Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
V1720 FADC? I am trying to set up the DAQ for such a simple system.

I put together a frontend which talks to the VME. However it gets stuck at
"Calibrating" in initialize_equipment().

I'd appreciate some help!

Thanks,
Jianglai


Hi Jianglai,

I don't have an exmaple of using V1718 with V1720, but I have been using V1718 with V792N for a long time.

You may find in the attachment an example frontend program and my drivers for V1718 and V792N written in MVMESTD format. They have to be linked with the CAENVMELib library and other essential MIDAS stuffs.

Regards,
Jimmy
Attachment 1: frontend.c
/********************************************************************\

  Name:         frontend.c
  Created by:   Jimmy Ngai

  Date:         May 9, 2010

  Contents:     Experiment specific readout code (user part) of
                Midas frontend.
		Supported VME modules:
		CAEN V1718 VME-USB Bridge
		CAEN V792N 16 CH QDC

  $Id: $

\********************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include "midas.h"
#include "mcstd.h"
#include "mvmestd.h"
#include "experim.h"
#include "vme/v792n.h"

/* make frontend functions callable from the C framework */
#ifdef __cplusplus
extern "C" {
#endif

/*-- Globals -------------------------------------------------------*/

/* The frontend name (client name) as seen by other MIDAS clients   */
char *frontend_name = "Frontend";
/* The frontend file name, don't change it */
char *frontend_file_name = __FILE__;

/* frontend_loop is called periodically if this variable is TRUE    */
BOOL frontend_call_loop = FALSE;

/* a frontend status page is displayed with this frequency in ms */
INT display_period = 3000;

/* maximum event size produced by this frontend */
INT max_event_size = 10000;

/* maximum event size for fragmented events (EQ_FRAGMENTED) */
INT max_event_size_frag = 5 * 1024 * 1024;

/* buffer size to hold events */
INT event_buffer_size = 10 * 10000;

/* number of channels */
#define N_ADC      16

/* VME hardware */
MVME_INTERFACE *myvme;

/* VME base address */
DWORD V1718_BASE  = 0x12000000;
DWORD V792N_BASE  = 0x32100000;

/*-- Function declarations -----------------------------------------*/

INT frontend_init();
INT frontend_exit();
INT begin_of_run(INT run_number, char *error);
INT end_of_run(INT run_number, char *error);
INT pause_run(INT run_number, char *error);
INT resume_run(INT run_number, char *error);
INT frontend_loop();

INT read_trigger_event(char *pevent, INT off);

/*-- Equipment list ------------------------------------------------*/

#undef USE_INT

EQUIPMENT equipment[] = {

   {"Trigger",               /* equipment name */
    {1, 0,                   /* event ID, trigger mask */
     "SYSTEM",               /* event buffer */
#ifdef USE_INT
     EQ_INTERRUPT,           /* equipment type */
#else
     EQ_POLLED,              /* equipment type */
#endif
     LAM_SOURCE(CRATE, LAM_STATION(SLOT_ADC)), /* event source */
     "MIDAS",                /* format */
     TRUE,                   /* enabled */
     RO_RUNNING |            /* read only when running */
     RO_ODB,                 /* and update ODB */
     500,                    /* poll for 500ms */
     0,                      /* stop run after this event limit */
     0,                      /* number of sub events */
     0,                      /* don't log history */
     "", "", "",},
    read_trigger_event,      /* readout routine */
    },

   {""}
};

#ifdef __cplusplus
}
#endif

/********************************************************************\
              Callback routines for system transitions

  These routines are called whenever a system transition like start/
  stop of a run occurs. The routines are called on the following
  occations:

  frontend_init:  When the frontend program is started. This routine
                  should initialize the hardware.

  frontend_exit:  When the frontend program is shut down. Can be used
                  to releas any locked resources like memory, commu-
                  nications ports etc.

  begin_of_run:   When a new run is started. Clear scalers, open
                  rungates, etc.

  end_of_run:     Called on a request to stop a run. Can send
                  end-of-run event and close run gates.

  pause_run:      When a run is paused. Should disable trigger events.

  resume_run:     When a run is resumed. Should enable trigger events.

\********************************************************************/

INT init_vme_modules()
{
   /* default settings */

   v792n_SoftReset(myvme, V792N_BASE);
   v792n_Setup(myvme, V792N_BASE, 2);
//   v792n_Status(myvme, V792N_BASE);

   return SUCCESS;
}

/*-- Frontend Init -------------------------------------------------*/

INT frontend_init()
{
   INT status;

   /* open VME interface */
   status = mvme_open(&myvme, 0);

   /* set am to A32 non-privileged Data */
   mvme_set_am(myvme, MVME_AM_A32_ND);

   /* initialize all VME modules */
   init_vme_modules();

   v792n_OfflineSet(myvme, V792N_BASE);
   v792n_DataClear(myvme, V792N_BASE);

   /* print message and return FE_ERR_HW if frontend should not be started */
   if (status != MVME_SUCCESS) {
      cm_msg(MERROR, "frontend_init", "VME interface could not be opened.");
      return FE_ERR_HW;
   }

   return SUCCESS;
}

/*-- Frontend Exit -------------------------------------------------*/

INT frontend_exit()
{
   /* close VME interface */
   mvme_close(myvme);

   return SUCCESS;
}

/*-- Begin of Run --------------------------------------------------*/

INT begin_of_run(INT run_number, char *error)
{
   /* Initialize all VME modules */
//   init_vme_modules();

   v792n_DataClear(myvme, V792N_BASE);
   v792n_OnlineSet(myvme, V792N_BASE);

   return SUCCESS;
}

/*-- End of Run ----------------------------------------------------*/

INT end_of_run(INT run_number, char *error)
{
   v792n_OfflineSet(myvme, V792N_BASE);
   v792n_DataClear(myvme, V792N_BASE);

   return SUCCESS;
}

/*-- Pause Run -----------------------------------------------------*/

INT pause_run(INT run_number, char *error)
{
   v792n_OfflineSet(myvme, V792N_BASE);

   return SUCCESS;
}

/*-- Resuem Run ----------------------------------------------------*/

INT resume_run(INT run_number, char *error)
{
   v792n_OnlineSet(myvme, V792N_BASE);

   return SUCCESS;
}

/*-- Frontend Loop -------------------------------------------------*/

INT frontend_loop()
{
   /* if frontend_call_loop is true, this routine gets called when
      the frontend is idle or once between every event */

   return SUCCESS;
}

/*------------------------------------------------------------------*/

/********************************************************************\

  Readout routines for different events

\********************************************************************/

/*-- Trigger event routines ----------------------------------------*/

INT poll_event(INT source, INT count, BOOL test)
/* Polling routine for events. Returns TRUE if event
   is available. If test equals TRUE, don't return. The test
   flag is used to time the polling */
{
   INT i;
   DWORD lam = 0;

   for (i = 0; i < count; i++) {
      lam = v792n_DataReady(myvme, V792N_BASE);

      if (lam)
         if (!test)
            return lam;
   }

   return 0;
}

/*-- Interrupt configuration ---------------------------------------*/

INT interrupt_configure(INT cmd, INT source, POINTER_T adr)
{
   switch (cmd) {
   case CMD_INTERRUPT_ENABLE:
      break;
   case CMD_INTERRUPT_DISABLE:
      break;
   case CMD_INTERRUPT_ATTACH:
      break;
   case CMD_INTERRUPT_DETACH:
      break;
   }
   return SUCCESS;
}

/*-- Event readout -------------------------------------------------*/

INT read_v792n(INT base, const char *bk_name, char *pevent, INT n_chn)
{
   INT i;
   INT nentry = 0, counter;
   DWORD data[V792N_MAX_CHANNELS+2];
   WORD *pdata;

   /* event counter */
//   v792n_EvtCntRead(myvme, base, &counter);

   /* read event */
   v792n_EventRead(myvme, base, data, &nentry);

   /* clear ADC */
//   v792n_DataClear(myvme, base);

   /* create ADC bank */
   bk_create(pevent, bk_name, TID_WORD, &pdata);

... 29 more lines ...
Attachment 2: v1718.h
/*********************************************************************

  Name:         v1718.h
  Created by:   Jimmy Ngai

  Contents:     V1718 VME-USB2.0 bridge include

  $Id: $
*********************************************************************/
#ifndef  V1718_INCLUDE_H
#define  V1718_INCLUDE_H

#include <stdio.h>
#include <string.h>
#include "mvmestd.h"

#ifdef __cplusplus
extern "C" {
#endif

#define  V1718_STATUS_RO          (DWORD) (0x0000)
#define  V1718_VME_CTRL_RW        (DWORD) (0x0001)
#define  V1718_FW_REV_RO          (DWORD) (0x0002)
#define  V1718_FW_DWNLD_RW        (DWORD) (0x0003)
#define  V1718_FL_ENA_RW          (DWORD) (0x0004)
#define  V1718_IRQ_STAT_RO        (DWORD) (0x0005)
#define  V1718_IN_REG_RW          (DWORD) (0x0008)
#define  V1718_OUT_REG_S_RW       (DWORD) (0x000A)
#define  V1718_IN_MUX_S_RW        (DWORD) (0x000B)
#define  V1718_OUT_MUX_S_RW       (DWORD) (0x000C)
#define  V1718_LED_POL_S_RW       (DWORD) (0x000D)
#define  V1718_OUT_REG_C_WO       (DWORD) (0x0010)
#define  V1718_IN_MUX_C_WO        (DWORD) (0x0011)
#define  V1718_OUT_MAX_C_WO       (DWORD) (0x0012)
#define  V1718_LED_POL_C_WO       (DWORD) (0x0013)
#define  V1718_PULSEA_0_RW        (DWORD) (0x0016)
#define  V1718_PULSEA_1_RW        (DWORD) (0x0017)
#define  V1718_PULSEB_0_RW        (DWORD) (0x0019)
#define  V1718_PULSEB_1_RW        (DWORD) (0x001A)
#define  V1718_SCALER0_RW         (DWORD) (0x001C)
#define  V1718_SCALER1_RO         (DWORD) (0x001D)
#define  V1718_DISP_ADL_RO        (DWORD) (0x0020)
#define  V1718_DISP_ADH_RO        (DWORD) (0x0021)
#define  V1718_DISP_DTL_RO        (DWORD) (0x0022)
#define  V1718_DISP_DTH_RO        (DWORD) (0x0023)
#define  V1718_DISP_PC1_RO        (DWORD) (0x0024)
#define  V1718_DISP_PC2_RO        (DWORD) (0x0025)
#define  V1718_LM_ADL_RW          (DWORD) (0x0028)
#define  V1718_LM_ADH_RW          (DWORD) (0x0029)
#define  V1718_LM_C_RW            (DWORD) (0x002C)

WORD v1718_Read16(MVME_INTERFACE *mvme, DWORD base, int offset);
void v1718_Write16(MVME_INTERFACE *mvme, DWORD base, int offset, WORD value);
DWORD v1718_Read32(MVME_INTERFACE *mvme, DWORD base, int offset);
void v1718_Write32(MVME_INTERFACE *mvme, DWORD base, int offset, DWORD value);

void v1718_MultiRead(MVME_INTERFACE *mvme, DWORD *addrs, DWORD *value, int ncycle, int *am, int *dmode);
void v1718_MultiWrite(MVME_INTERFACE *mvme, DWORD *addrs, DWORD *value, int ncycle, int *am, int *dmode);
void v1718_MultiRead16(MVME_INTERFACE *mvme, DWORD *addrs, WORD *value, int ncycle);
void v1718_MultiWrite16(MVME_INTERFACE *mvme, DWORD *addrs, WORD *value, int ncycle);
void v1718_MultiRead32(MVME_INTERFACE *mvme, DWORD *addrs, DWORD *value, int ncycle);
void v1718_MultiWrite32(MVME_INTERFACE *mvme, DWORD *addrs, DWORD *value, int ncycle);

void v1718_PulserConfSet(MVME_INTERFACE *mvme, WORD pulser, DWORD period, DWORD width, WORD pulseNo);
void v1718_PulserStart(MVME_INTERFACE *mvme, WORD pulser);
void v1718_PulserStop(MVME_INTERFACE *mvme, WORD pulser);

  enum v1718_PulserSelect {
    v1718_pulserA=0x0,
    v1718_pulserB=0x1,
  };

#ifdef __cplusplus
}
#endif

#endif // V1718_INCLUDE_H

/* emacs
 * Local Variables:
 * mode:C
 * mode:font-lock
 * tab-width: 8
 * c-basic-offset: 2
 * End:
 */
Attachment 3: v1718.c
/********************************************************************

  Name:         v1718.c
  Created by:   Jimmy Ngai

  Contents:     Midas VME standard (MVMESTD) layer for CAEN V1718
                VME-USB2.0 Bridge using CAENVMElib Linux library

  $Id: $

\********************************************************************/

#ifdef __linux__
#ifndef OS_LINUX
#define OS_LINUX
#endif
#endif

#ifdef OS_LINUX

#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "CAENVMElib.h"

#endif // OS_LINUX

#include "v1718.h"

/*------------------------------------------------------------------*/

/********************************************************************\

  MIDAS VME standard (MVMESTD) functions

\********************************************************************/

int mvme_open(MVME_INTERFACE **vme, int idx)
{
   *vme = (MVME_INTERFACE *) malloc(sizeof(MVME_INTERFACE));
   if (*vme == NULL)
      return MVME_NO_MEM;

   memset(*vme, 0, sizeof(MVME_INTERFACE));

   /* open VME */
   if (CAENVME_Init(cvV1718, 0, idx, &(*vme)->handle) != cvSuccess)
      return MVME_NO_INTERFACE;

   /* default values */
   (*vme)->am        = MVME_AM_DEFAULT;
   (*vme)->dmode     = MVME_DMODE_D32;
   (*vme)->blt_mode  = MVME_BLT_NONE;
   (*vme)->table     = NULL; // not used

   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_close(MVME_INTERFACE *vme)
{
   CAENVME_End(vme->handle);

   free(vme);

   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_sysreset(MVME_INTERFACE *vme)
{
   CAENVME_SystemReset(vme->handle);

   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_write(MVME_INTERFACE *vme, mvme_addr_t vme_addr, void *src, mvme_size_t n_bytes)
{
   mvme_size_t i;
   int status=0, n;
   int hvme;
   hvme = vme->handle;

   n = 0;

   /* D8 */
   if (vme->dmode == MVME_DMODE_D8) {
      for (i=0 ; i<n_bytes ; i++)
         status = CAENVME_WriteCycle(hvme, vme_addr, src+i, vme->am, cvD8);
      n = n_bytes;
   /* D16 */
   } else if (vme->dmode == MVME_DMODE_D16) {
      /* normal I/O */
      if (vme->blt_mode == MVME_BLT_NONE) {
         for (i=0 ; i<(n_bytes>>1) ; i++)
            status = CAENVME_WriteCycle(hvme, vme_addr, src+(i<<1), vme->am, cvD16);
         n = n_bytes;
      /* FIFO BLT */
      } else if ((vme->blt_mode == MVME_BLT_BLT32FIFO) || (vme->blt_mode == MVME_BLT_MBLT64FIFO))
         status = CAENVME_FIFOBLTWriteCycle(hvme, vme_addr, src, n_bytes, vme->am, cvD16, &n);
      /* BLT */
      else
         status = CAENVME_BLTWriteCycle(hvme, vme_addr, src, n_bytes, vme->am, cvD16, &n);
   /* D32 */
   } else if (vme->dmode == MVME_DMODE_D32) {
      /* normal I/O */
      if (vme->blt_mode == MVME_BLT_NONE) {
         for (i=0 ; i<(n_bytes>>2) ; i++)
            status = CAENVME_WriteCycle(hvme, vme_addr, src+(i<<2), vme->am, cvD32);
         n = n_bytes;
      /* FIFO BLT */
      } else if (vme->blt_mode == MVME_BLT_BLT32FIFO)
         status = CAENVME_FIFOBLTWriteCycle(hvme, vme_addr, src, n_bytes, vme->am, cvD32, &n);
      /* BLT */
      else
         status = CAENVME_BLTWriteCycle(hvme, vme_addr, src, n_bytes, vme->am, cvD32, &n);
   /* D64 */
   } else if (vme->dmode == MVME_DMODE_D64) {
      /* FIFO MBLT */
      if (vme->blt_mode == MVME_BLT_MBLT64FIFO) 
         status = CAENVME_FIFOMBLTWriteCycle(hvme, vme_addr, src, n_bytes, vme->am, &n);
      /* MBLT */
      else
         status = CAENVME_MBLTWriteCycle(hvme, vme_addr, src, n_bytes, vme->am, &n);
   }

   if (status != cvSuccess)
      n = 0;

   return n;
}

/*------------------------------------------------------------------*/

int mvme_write_value(MVME_INTERFACE *vme, mvme_addr_t vme_addr, unsigned int value)
{
   int status=0, n;
   int hvme;
   hvme = vme->handle;

   if (vme->dmode == MVME_DMODE_D8)
      n = 1;
   else if (vme->dmode == MVME_DMODE_D16)
      n = 2;
   else
      n = 4;

   /* D8 */
   if (vme->dmode == MVME_DMODE_D8)
      status = CAENVME_WriteCycle(hvme, vme_addr, &value, vme->am, cvD8);
   /* D16 */
   else if (vme->dmode == MVME_DMODE_D16)
      status = CAENVME_WriteCycle(hvme, vme_addr, &value, vme->am, cvD16);
   /* D32 */
   else if (vme->dmode == MVME_DMODE_D32)
      status = CAENVME_WriteCycle(hvme, vme_addr, &value, vme->am, cvD32);

   if (status != cvSuccess)
      n = 0;

   return n;
}

/*------------------------------------------------------------------*/

int mvme_read(MVME_INTERFACE *vme, void *dst, mvme_addr_t vme_addr, mvme_size_t n_bytes)
{
   mvme_size_t i;
   int status=0, n;
   int hvme;
   hvme = vme->handle;

   n = 0;

   /* D8 */
   if ((vme->dmode == MVME_DMODE_D8) || (vme->blt_mode == MVME_BLT_NONE)) {
      for (i=0 ; i<n_bytes ; i++)
         status = CAENVME_ReadCycle(hvme, vme_addr, dst+i, vme->am, cvD8);
      n = n_bytes;
   /* D16 */
   } else if (vme->dmode == MVME_DMODE_D16) {
      /* normal I/O */
      if (vme->blt_mode == MVME_BLT_NONE) {
         for (i=0 ; i<(n_bytes>>1) ; i++)
            status = CAENVME_ReadCycle(hvme, vme_addr, dst+(i<<1), vme->am, cvD16);
         n = n_bytes;
      /* FIFO BLT */
      } else if ((vme->blt_mode == MVME_BLT_BLT32FIFO) || (vme->blt_mode == MVME_BLT_MBLT64FIFO))
         status = CAENVME_FIFOBLTReadCycle(hvme, vme_addr, dst, n_bytes, vme->am, cvD16, &n);
      /* BLT */
      else
         status = CAENVME_BLTReadCycle(hvme, vme_addr, dst, n_bytes, vme->am, cvD16, &n);
   /* D32 */
   } else if (vme->dmode == MVME_DMODE_D32) {
      /* normal I/O */
      if (vme->blt_mode == MVME_BLT_NONE) {
         for (i=0 ; i<(n_bytes>>2) ; i++)
            status = CAENVME_ReadCycle(hvme, vme_addr, dst+(i<<2), vme->am, cvD32);
         n = n_bytes;
      /* FIFO BLT */
      } else if (vme->blt_mode == MVME_BLT_BLT32FIFO)
         status = CAENVME_FIFOBLTReadCycle(hvme, vme_addr, dst, n_bytes, vme->am, cvD32, &n);
      /* BLT */
      else
         status = CAENVME_BLTReadCycle(hvme, vme_addr, dst, n_bytes, vme->am, cvD32, &n);
   /* D64 */
   } else if (vme->dmode == MVME_DMODE_D64) {
      /* FIFO MBLT */
      if (vme->blt_mode == MVME_BLT_MBLT64FIFO)
         status = CAENVME_FIFOMBLTReadCycle(hvme, vme_addr, dst, n_bytes, vme->am, &n);
      /* MBLT */
      else
         status = CAENVME_MBLTReadCycle(hvme, vme_addr, dst, n_bytes, vme->am, &n);
   }

   if ((status != cvSuccess) && (status != cvBusError))
      n = 0;

   return n;
}

/*------------------------------------------------------------------*/

unsigned int mvme_read_value(MVME_INTERFACE *vme, mvme_addr_t vme_addr)
{
   unsigned int data;
   int status=0;
   int hvme;
   hvme = vme->handle;

   data = 0;

   /* D8 */
   if (vme->dmode == MVME_DMODE_D8)
      status = CAENVME_ReadCycle(hvme, vme_addr, &data, vme->am, cvD8);
   /* D16 */
   else if (vme->dmode == MVME_DMODE_D16)
      status = CAENVME_ReadCycle(hvme, vme_addr, &data, vme->am, cvD16);
   /* D32 */
   else if (vme->dmode == MVME_DMODE_D32)
      status = CAENVME_ReadCycle(hvme, vme_addr, &data, vme->am, cvD32);

   return data;
}

/*------------------------------------------------------------------*/

int mvme_set_am(MVME_INTERFACE *vme, int am)
{
   vme->am = am;
   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_get_am(MVME_INTERFACE *vme, int *am)
{
   *am = vme->am;
   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_set_dmode(MVME_INTERFACE *vme, int dmode)
{
   vme->dmode = dmode;
   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_get_dmode(MVME_INTERFACE *vme, int *dmode)
{
   *dmode = vme->dmode;
   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_set_blt(MVME_INTERFACE *vme, int mode)
{
   vme->blt_mode = mode;
   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/

int mvme_get_blt(MVME_INTERFACE *vme, int *mode)
{
   *mode = vme->blt_mode;
   return MVME_SUCCESS;
}

/*------------------------------------------------------------------*/
... 326 more lines ...
Attachment 4: v792n.h
/*********************************************************************

  Name:         v792n.h
  Created by:   Jimmy Ngai

  Contents:     V792N 16ch. QDC include

  Based on v792.h by Pierre-Andre Amaudruz

  $Id: $
*********************************************************************/
#ifndef  V792N_INCLUDE_H
#define  V792N_INCLUDE_H

#include <stdio.h>
#include <string.h>
#include "mvmestd.h"

#ifdef __cplusplus
extern "C" {
#endif

#define  V792N_MAX_CHANNELS       (DWORD) 16
#define  V792N_REG_BASE           (DWORD) (0x1000)
#define  V792N_FIRM_REV           (DWORD) (0x1000)
#define  V792N_GEO_ADDR_RW        (DWORD) (0x1002)
#define  V792N_MCST_CBLT_RW       (DWORD) (0x1004)
#define  V792N_BIT_SET1_RW        (DWORD) (0x1006)
#define  V792N_BIT_CLEAR1_WO      (DWORD) (0x1008)
#define  V792N_SOFT_RESET         (DWORD) (0x1<<7)
#define  V792N_INT_LEVEL_WO       (DWORD) (0x100A)
#define  V792N_INT_VECTOR_WO      (DWORD) (0x100C)
#define  V792N_CSR1_RO            (DWORD) (0x100E)
#define  V792N_CR1_RW             (DWORD) (0x1010)
#define  V792N_ADER_H_RW          (DWORD) (0x1012)
#define  V792N_ADER_L_RW          (DWORD) (0x1014)
#define  V792N_SINGLE_RST_WO      (DWORD) (0x1016)
#define  V792N_MCST_CBLT_CTRL_RW  (DWORD) (0x101A)
#define  V792N_EVTRIG_REG_RW      (DWORD) (0x1020)
#define  V792N_CSR2_RO            (DWORD) (0x1022)
#define  V792N_EVT_CNT_L_RO       (DWORD) (0x1024)
#define  V792N_EVT_CNT_H_RO       (DWORD) (0x1026)
#define  V792N_INCR_EVT_WO        (DWORD) (0x1028)
#define  V792N_INCR_OFFSET_WO     (DWORD) (0x102A)
#define  V792N_LD_TEST_RW         (DWORD) (0x102C)
#define  V792N_DELAY_CLEAR_RW     (DWORD) (0x102E)
#define  V792N_FCLR_WIN_RW        (DWORD) (0x102E)
#define  V792N_BIT_SET2_RW        (DWORD) (0x1032)
#define  V792N_BIT_CLEAR2_WO      (DWORD) (0x1034)
#define  V792N_W_MEM_TEST_WO      (DWORD) (0x1036)
#define  V792N_MEM_TEST_WORD_H_WO (DWORD) (0x1038)
#define  V792N_MEM_TEST_WORD_L_WO (DWORD) (0x103A)
#define  V792N_CRATE_SEL_RW       (DWORD) (0x103C)
#define  V792N_TEST_EVENT_WO      (DWORD) (0x103E)
#define  V792N_EVT_CNT_RST_WO     (DWORD) (0x1040)
#define  V792N_IPED_RW            (DWORD) (0x1060)
#define  V792N_R_MEM_TEST_WO      (DWORD) (0x1064)
#define  V792N_SWCOMM_WO          (DWORD) (0x1068)
#define  V792N_SLIDECONST_RW      (DWORD) (0x106A)
#define  V792N_AAD_RO             (DWORD) (0x1070)
#define  V792N_BAD_RO             (DWORD) (0x1072)
#define  V792N_THRES_BASE         (DWORD) (0x1080)

WORD v792n_Read16(MVME_INTERFACE *mvme, DWORD base, int offset);
void v792n_Write16(MVME_INTERFACE *mvme, DWORD base, int offset, WORD value);
DWORD v792n_Read32(MVME_INTERFACE *mvme, DWORD base, int offset);
void v792n_Write32(MVME_INTERFACE *mvme, DWORD base, int offset, DWORD value);

int  v792n_DataReady(MVME_INTERFACE *mvme, DWORD base);
int  v792n_isEvtReady(MVME_INTERFACE *mvme, DWORD base);
int  v792n_isBusy(MVME_INTERFACE *mvme, DWORD base);
int  v792n_EventRead(MVME_INTERFACE *mvme, DWORD base, DWORD *pdest, int *nentry);
int  v792n_DataRead(MVME_INTERFACE *mvme, DWORD base, DWORD *pdest, int nentry);
void v792n_DataClear(MVME_INTERFACE *mvme, DWORD base);
void v792n_EvtCntRead(MVME_INTERFACE *mvme, DWORD base, DWORD *evtcnt);
void v792n_EvtCntReset(MVME_INTERFACE *mvme, DWORD base);
void v792n_IntSet(MVME_INTERFACE *mvme, DWORD base, int level, int vector);
void v792n_IntEnable(MVME_INTERFACE *mvme, DWORD base, int level);
void v792n_IntDisable(MVME_INTERFACE *mvme, DWORD base);
void v792n_EvtTriggerSet(MVME_INTERFACE *mvme, DWORD base, int count);
void v792n_SingleShotReset(MVME_INTERFACE *mvme, DWORD base);
void v792n_SoftReset(MVME_INTERFACE *mvme, DWORD base);
void v792n_Trigger(MVME_INTERFACE *mvme, DWORD base);
int  v792n_ThresholdRead(MVME_INTERFACE *mvme, DWORD base, WORD *threshold);
int  v792n_ThresholdWrite(MVME_INTERFACE *mvme, DWORD base, WORD *threshold);
int  v792n_CSR1Read(MVME_INTERFACE *mvme, DWORD base);
int  v792n_CSR2Read(MVME_INTERFACE *mvme, DWORD base);
int  v792n_BitSet2Read(MVME_INTERFACE *mvme, DWORD base);
void v792n_BitSet2Set(MVME_INTERFACE *mvme, DWORD base, WORD pat);
void v792n_BitSet2Clear(MVME_INTERFACE *mvme, DWORD base, WORD pat);
WORD v792n_ControlRegister1Read(MVME_INTERFACE *mvme, DWORD base);
void v792n_ControlRegister1Write(MVME_INTERFACE *mvme, DWORD base, WORD pat);
void v792n_OnlineSet(MVME_INTERFACE *mvme, DWORD base);
void v792n_OfflineSet(MVME_INTERFACE *mvme, DWORD base);
void v792n_BlkEndEnable(MVME_INTERFACE *mvme, DWORD base);
void v792n_OverRangeEnable(MVME_INTERFACE *mvme, DWORD base);
void v792n_OverRangeDisable(MVME_INTERFACE *mvme, DWORD base);
void v792n_LowThEnable(MVME_INTERFACE *mvme, DWORD base);
void v792n_LowThDisable(MVME_INTERFACE *mvme, DWORD base);
void v792n_EmptyEnable(MVME_INTERFACE *mvme, DWORD base);
void v792n_CrateSet(MVME_INTERFACE *mvme, DWORD base, DWORD *evtcnt);
void v792n_DelayClearSet(MVME_INTERFACE *mvme, DWORD base, int delay);
int  v792n_Setup(MVME_INTERFACE *mvme, DWORD base, int mode);
void v792n_Status(MVME_INTERFACE *mvme, DWORD base);
int  v792n_isPresent(MVME_INTERFACE *mvme, DWORD base);

  enum v792n_DataType {
    v792n_typeMeasurement=0,
    v792n_typeHeader     =2,
    v792n_typeFooter     =4,
    v792n_typeFiller     =6
  };

  typedef union {
    DWORD raw;
    struct v792n_Entry {
      unsigned adc:12; // bit0 here
      unsigned ov:1;
      unsigned un:1;
      unsigned _pad_1:3;
      unsigned channel:4;
      unsigned _pad_2:3;
      unsigned type:3;
      unsigned geo:5;
    } data ;
    struct v792n_Header {
      unsigned _pad_1:8; // bit0 here
      unsigned cnt:6;
      unsigned _pad_2:2;
      unsigned crate:8;
      unsigned type:3;
      unsigned geo:5;
    } header;
    struct v792n_Footer {
      unsigned evtCnt:24; // bit0 here
      unsigned type:3;
      unsigned geo:5;
    } footer;
  } v792n_Data;

  typedef union {
    DWORD raw;
    struct {
      unsigned DataReady:1; // bit0 here
      unsigned GlobalDataReady:1;
      unsigned Busy:1;
      unsigned GlobalBusy:1;
      unsigned Amnesia:1;
      unsigned Purge:1;
      unsigned TermOn:1;
      unsigned TermOff:1;
      unsigned EventReady:1; //bit 8 here
    };
  } v792n_StatusRegister1;
  typedef union {
    DWORD raw;
    struct {
      unsigned _pad_1:1; // bit0 here
      unsigned BufferEmpty:1;
      unsigned BufferFull:1;
      unsigned _pad_2:1;
      unsigned PB:4;
      //unsigned DSEL0:1;
      //unsigned DSEL1:1;
      //unsigned CSEL0:1;
      //unsigned CSEL1:1;
    };
  } v792n_StatusRegister2;
  typedef union {
    DWORD raw;
    struct {
      unsigned _pad_1:2;
      unsigned BlkEnd:1;
      unsigned _pad_2:1;
      unsigned ProgReset:1;
      unsigned BErr:1;
      unsigned Align64:1;
    };
  } v792n_ControlRegister1;
  typedef union {
    DWORD raw;
    struct {
      unsigned MemTest:1;
      unsigned OffLine:1;
      unsigned ClearData:1;
      unsigned OverRange:1;
      unsigned LowThresh:1;
      unsigned _pad_1:1;//bit5
      unsigned TestAcq:1;
      unsigned SLDEnable:1;
      unsigned StepTH:1;
      unsigned _pad_2:2;//bits 9-10
      unsigned AutoIncr:1;
      unsigned EmptyProg:1;
      unsigned SlideSubEnable:1;
      unsigned AllTrg:1;
    };
  } v792n_BitSet2Register;

  void v792n_printEntry(const v792n_Data* v);

#ifdef __cplusplus
}
#endif

#endif // V792N_INCLUDE_H

/* emacs
 * Local Variables:
 * mode:C
 * mode:font-lock
 * tab-width: 8
 * c-basic-offset: 2
 * End:
 */
Attachment 5: v792n.c
/*********************************************************************

  Name:         v792n.c
  Created by:   Jimmy Ngai

  Contents:     V792N 16ch. QDC

  Based on v792.c by Pierre-Andre Amaudruz
                
  $Id: $
*********************************************************************/
#include <stdio.h>
#include <string.h>
#include <signal.h>
#if defined(OS_LINUX)
#include <unistd.h>
#endif
#include "v792n.h"

WORD v792n_Read16(MVME_INTERFACE *mvme, DWORD base, int offset)
{
  int cmode;
  WORD data;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  data = mvme_read_value(mvme, base+offset);
  mvme_set_dmode(mvme, cmode);
  return data;
}

void v792n_Write16(MVME_INTERFACE *mvme, DWORD base, int offset, WORD value)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+offset, value);
  mvme_set_dmode(mvme, cmode);
}

DWORD v792n_Read32(MVME_INTERFACE *mvme, DWORD base, int offset)
{
  int cmode;
  DWORD data;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D32);
  data = mvme_read_value(mvme, base+offset);
  mvme_set_dmode(mvme, cmode);
  return data;
}

void v792n_Write32(MVME_INTERFACE *mvme, DWORD base, int offset, DWORD value)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D32);
  mvme_write_value(mvme, base+offset, value);
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
int v792n_DataReady(MVME_INTERFACE *mvme, DWORD base)
{
  int data_ready, cmode;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  data_ready = mvme_read_value(mvme, base+V792N_CSR1_RO) & 0x1;
  mvme_set_dmode(mvme, cmode);
  return data_ready;
}

/*****************************************************************/
int v792n_isEvtReady(MVME_INTERFACE *mvme, DWORD base)
{
  int csr;
  csr = v792n_CSR1Read(mvme, base);
  return (csr & 0x100);
}

/*****************************************************************/
int v792n_isBusy(MVME_INTERFACE *mvme, DWORD base)
{
  int status, busy, timeout, cmode;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  timeout = 1000;
  do {
    status = mvme_read_value(mvme, base+V792N_CSR1_RO);
    busy = status & 0x4;
    timeout--;
  } while (busy || timeout);
  mvme_set_dmode(mvme, cmode);
  return (busy != 0 ? 1 : 0);
}

/*****************************************************************/
/*
Read single event, return event length (number of entries)
*/
int v792n_EventRead(MVME_INTERFACE *mvme, DWORD base, DWORD *pdest, int *nentry)
{
#define USE_BLT_READ_2

#ifdef USE_SINGLE_READ
  DWORD hdata;
  int   cmode;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D32);

  *nentry = 0;
  if (v792n_DataReady(mvme, base)) {
    do {
      hdata = mvme_read_value(mvme, base);
    } while (!(hdata & 0x02000000)); // skip up to the header

    pdest[*nentry] = hdata;
    *nentry += 1;
    do {
      pdest[*nentry] = mvme_read_value(mvme, base);
      *nentry += 1;
    } while (!(pdest[*nentry-1] & 0x04000000)); // copy until the trailer

    nentry--;
  }

  mvme_set_dmode(mvme, cmode);
#endif // USE_SINGLE_READ

#ifdef USE_BLT_READ_1
  DWORD hdata, data[V792N_MAX_CHANNELS+2];
  int   cam, cmode, cblt, cnt, i;

  mvme_get_am(mvme, &cam);
  mvme_get_dmode(mvme, &cmode);
  mvme_get_blt(mvme, &cblt);
  mvme_set_dmode(mvme, MVME_DMODE_D32);

  *nentry = 0;
  if (v792n_DataReady(mvme, base)) {
    do {
      hdata = mvme_read_value(mvme, base);
    } while (!(hdata & 0x02000000)); // skip up to the header

    mvme_set_am(mvme, MVME_AM_A32_SB);
    mvme_set_blt(mvme, MVME_BLT_BLT32);
    cnt = (hdata >> 8) & 0x3F;

    mvme_read(mvme, data, base, (cnt+1)*4);
    pdest[0] = hdata;
    for (i=1;i<=cnt+1;i++)
      pdest[i] = data[i-1];

    *nentry = cnt + 2;
  }

  mvme_set_am(mvme, cam);
  mvme_set_dmode(mvme, cmode);
  mvme_set_blt(mvme, cblt);
#endif // USE_BLT_READ_1

#ifdef USE_BLT_READ_2
  int   cam, cmode, cblt, cnt;

  mvme_get_am(mvme, &cam);
  mvme_get_dmode(mvme, &cmode);
  mvme_get_blt(mvme, &cblt);
  mvme_set_dmode(mvme, MVME_DMODE_D32);

  *nentry = 0;
//  if (v792n_DataReady(mvme, base)) {
    mvme_set_am(mvme, MVME_AM_A32_SB);
    mvme_set_blt(mvme, MVME_BLT_BLT32);
    mvme_read(mvme, pdest, base, (V792N_MAX_CHANNELS+2)*4);
    cnt = (pdest[0] >> 8) & 0x3F;
    *nentry = cnt + 2;
//  }

  mvme_set_am(mvme, cam);
  mvme_set_dmode(mvme, cmode);
  mvme_set_blt(mvme, cblt);
#endif //USE_BLT_READ_2

  return *nentry;
}

/*****************************************************************/
/*
Read nentry of data from the data buffer
*/
int v792n_DataRead(MVME_INTERFACE *mvme, DWORD base, DWORD *pdest, int nentry)
{
  int  cmode, status;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D32);
//  nentry = 128;
  if (v792n_DataReady(mvme, base)) {
    status = mvme_read(mvme, pdest, base, nentry*4);
  }
  mvme_set_dmode(mvme, cmode);
  return status;
}

/*****************************************************************/
void v792n_DataClear(MVME_INTERFACE *mvme, DWORD base)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_BIT_SET2_RW, 0x4);
  mvme_write_value(mvme, base+V792N_BIT_CLEAR2_WO, 0x4);
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_EvtCntRead(MVME_INTERFACE *mvme, DWORD base, DWORD *evtcnt)
{
  int cmode;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  *evtcnt  = mvme_read_value(mvme, base+V792N_EVT_CNT_L_RO);
  *evtcnt += (mvme_read_value(mvme, base+V792N_EVT_CNT_H_RO) << 16);
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_EvtCntReset(MVME_INTERFACE *mvme, DWORD base)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_EVT_CNT_RST_WO, 1);
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_IntSet(MVME_INTERFACE *mvme, DWORD base, int level, int vector)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_INT_VECTOR_WO, (vector & 0xFF));
  mvme_write_value(mvme, base+V792N_INT_LEVEL_WO, (level & 0x7));
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_IntEnable(MVME_INTERFACE *mvme, DWORD base, int level)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_EVTRIG_REG_RW, (level & 0x1F));
  /* Use the trigger buffer for int enable/disable
  mvme_write_value(mvme, base+V792N_INT_LEVEL_WO, (level & 0x7));
  */
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_IntDisable(MVME_INTERFACE *mvme, DWORD base)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_EVTRIG_REG_RW, 0);
  /* Use the trigger buffer for int enable/disable
     Setting a level 0 reboot the VMIC !
  mvme_write_value(mvme, base+V792N_INT_LEVEL_WO, 0);
  */
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_EvtTriggerSet(MVME_INTERFACE *mvme, DWORD base, int count)
{
  int cmode;

  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_EVTRIG_REG_RW, (count & 0x1F));
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
void v792n_SingleShotReset(MVME_INTERFACE *mvme, DWORD base)
{
  int cmode;
  mvme_get_dmode(mvme, &cmode);
  mvme_set_dmode(mvme, MVME_DMODE_D16);
  mvme_write_value(mvme, base+V792N_SINGLE_RST_WO, 1);
  mvme_set_dmode(mvme, cmode);
}

/*****************************************************************/
... 409 more lines ...
  762   24 May 2011 Jianglai LiuForumsimple example frontend for V1720
Thanks all for the kind help. This did point me to the right direction. I was now able to make v1720.c as well as my MIDAS frontend (thanks to
Jimmy's example) talking to V1720, and read out the waveform bank.

However the readout values did not seem quite right. I fed in a PMT-like pulse of about 0.1 V and 50 ns wide, with an external trigger just in time.
However, the readout by both v1720.c stand-alone code, and my midas frontend seemed to be flat noise.

I tried to play with the post trigger value, as well as the DAC setting of V1720. None seemed to help.

BTW I tested my V1720 board functionality by using the CAEN windows software (CAENScope and WaveDump). They worked just fine.

Any suggestions? Attached is my modified v1720.c code.


Pierre-Andre Amaudruz wrote:

Jianglai Liu wrote:
Hi,

Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
V1720 FADC? I am trying to set up the DAQ for such a simple system.

I put together a frontend which talks to the VME. However it gets stuck at
"Calibrating" in initialize_equipment().

I'd appreciate some help!

Thanks,
Jianglai


Under the drivers/vme you can find code for the v1720.c (VME access) and ov1720.c
(A2818/A3818 PCIe optical link access). For testing the hardware, we use this code compiled and linked
with MAIN_ENABLE to confirm its functionality. You may want to do the same for your USB. Once this
is under control, the Midas frontend implementation using the same driver shouldn't give you trouble.
Attachment 1: v1720.c
/*********************************************************************

  Name:         v1720.c
  Created by:   Pierre-A. Amaudruz / K.Olchanski

  Contents:     V1720 8 ch. 12bit 250Msps
 
  $Id: v1720.c 4728 2010-05-12 05:34:44Z svn $
*********************************************************************/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
//#include "midas.h"
#include "v1720drv.h"
#include "mvmestd.h"


// Buffer organization map for number of samples
uint32_t V1720_NSAMPLES_MODE[11] = { (1<<20), (1<<19), (1<<18), (1<<17), (1<<16), (1<<15)
			       ,(1<<14), (1<<13), (1<<12), (1<<11), (1<<10)};

/*****************************************************************/
/*
Read V1720 register value
*/
static uint32_t regRead(MVME_INTERFACE *mvme, uint32_t base, int offset)
{
  mvme_set_am(mvme, MVME_AM_A32);
  mvme_set_dmode(mvme, MVME_DMODE_D32);
  return mvme_read_value(mvme, base + offset);
}

/*****************************************************************/
/*
Write V1720 register value
*/
static void regWrite(MVME_INTERFACE *mvme, uint32_t base, int offset, uint32_t value)
{
  mvme_set_am(mvme, MVME_AM_A32);
  mvme_set_dmode(mvme, MVME_DMODE_D32);
  mvme_write_value(mvme, base + offset, value);
}

/*****************************************************************/
uint32_t v1720_RegisterRead(MVME_INTERFACE *mvme, uint32_t base, int offset)
{
  return regRead(mvme, base, offset);
}

/*****************************************************************/
void v1720_RegisterWrite(MVME_INTERFACE *mvme, uint32_t base, int offset, uint32_t value)
{
  regWrite(mvme, base, offset, value);
}

/*****************************************************************/
void v1720_Reset(MVME_INTERFACE *mvme, uint32_t base)
{
  regWrite(mvme, base, V1720_SW_RESET, 0);
}

/*****************************************************************/
void v1720_TrgCtl(MVME_INTERFACE *mvme, uint32_t base, uint32_t reg, uint32_t mask)
{
  regWrite(mvme, base, reg, mask);
}

/*****************************************************************/
void v1720_ChannelCtl(MVME_INTERFACE *mvme, uint32_t base, uint32_t reg, uint32_t mask)
{
  regWrite(mvme, base, reg, mask);
}

/*****************************************************************/
void v1720_ChannelSet(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel, uint32_t what, uint32_t that)
{
  uint32_t reg, mask;

  if (what == V1720_CHANNEL_THRESHOLD)   mask = 0x0FFF;
  if (what == V1720_CHANNEL_OUTHRESHOLD) mask = 0x0FFF;
  if (what == V1720_CHANNEL_DAC)         mask = 0xFFFF;
  reg = what | (channel << 8);
  printf("base:0x%x reg:0x%x, this:%x\n", base, reg, that);
  regWrite(mvme, base, reg, (that & 0xFFF));
}

/*****************************************************************/
uint32_t v1720_ChannelGet(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel, uint32_t what)
{
  uint32_t reg, mask;

  if (what == V1720_CHANNEL_THRESHOLD)   mask = 0x0FFF;
  if (what == V1720_CHANNEL_OUTHRESHOLD) mask = 0x0FFF;
  if (what == V1720_CHANNEL_DAC)         mask = 0xFFFF;
  reg = what | (channel << 8);
  return regRead(mvme, base, reg);
}

/*****************************************************************/
void v1720_ChannelThresholdSet(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel, uint32_t threshold)
{
  uint32_t reg;
  reg = V1720_CHANNEL_THRESHOLD | (channel << 8);
  printf("base:0x%x reg:0x%x, threshold:%x\n", base, reg, threshold);
  regWrite(mvme, base, reg, (threshold & 0xFFF));
}

/*****************************************************************/
void v1720_ChannelOUThresholdSet(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel, uint32_t threshold)
{
  uint32_t reg;
  reg = V1720_CHANNEL_OUTHRESHOLD | (channel << 8);
  printf("base:0x%x reg:0x%x, outhreshold:%x\n", base, reg, threshold);
  regWrite(mvme, base, reg, (threshold & 0xFFF));
}

/*****************************************************************/
void v1720_ChannelDACSet(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel, uint32_t dac)
{
  uint32_t reg;

  reg = V1720_CHANNEL_DAC | (channel << 8);
  printf("base:0x%x reg:0x%x, DAC:%x\n", base, reg, dac);
  regWrite(mvme, base, reg, (dac & 0xFFFF));
}

/*****************************************************************/
int v1720_ChannelDACGet(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel, uint32_t *dac)
{
  uint32_t reg;
  int   status;

  reg = V1720_CHANNEL_DAC | (channel << 8);
  *dac = regRead(mvme, base, reg);
  reg = V1720_CHANNEL_STATUS | (channel << 8);
  status = regRead(mvme, base, reg);
  return status;
}

/*****************************************************************/
void v1720_Align64Set(MVME_INTERFACE *mvme, uint32_t base)
{
  regWrite(mvme, base, V1720_VME_CONTROL, V1720_ALIGN64);
}

/*****************************************************************/
void v1720_AcqCtl(MVME_INTERFACE *mvme, uint32_t base, uint32_t operation)
{
  uint32_t reg;
  
  reg = regRead(mvme, base, V1720_ACQUISITION_CONTROL);  
  switch (operation) {
  case V1720_RUN_START:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg | 0x4));
    break;
  case V1720_RUN_STOP:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg & ~(0x4)));
    break;
  case V1720_REGISTER_RUN_MODE:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg & ~(0x3)));
    break;
  case V1720_SIN_RUN_MODE:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg | 0x01));
    break;
  case V1720_SIN_GATE_RUN_MODE:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg | 0x02));
    break;
  case V1720_MULTI_BOARD_SYNC_MODE:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg | 0x03));
    break;
  case V1720_COUNT_ACCEPTED_TRIGGER:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg | 0x08));
    break;
  case V1720_COUNT_ALL_TRIGGER:
    regWrite(mvme, base, V1720_ACQUISITION_CONTROL, (reg & ~(0x08)));
    break;
  default:
    break;
  }
}

/*****************************************************************/
void v1720_info(MVME_INTERFACE *mvme, uint32_t base, int *nchannels, uint32_t *n32word)
{
  int i, chanmask;

  // Evaluate the event size
  // Number of samples per channels
  *n32word = V1720_NSAMPLES_MODE[regRead(mvme, base, V1720_BUFFER_ORGANIZATION)];

  // times the number of active channels
  chanmask = 0xff & regRead(mvme, base, V1720_CHANNEL_EN_MASK); 
  *nchannels = 0;
  for (i=0;i<8;i++) {
    if (chanmask & (1<<i))
      *nchannels += 1;
  }

  *n32word *= *nchannels;
  *n32word /= 2;   // 2 samples per 32bit word
  *n32word += 4;   // Headers
}

/*****************************************************************/
uint32_t v1720_BufferOccupancy(MVME_INTERFACE *mvme, uint32_t base, uint32_t channel)
{
  uint32_t reg;
  reg = V1720_BUFFER_OCCUPANCY + (channel<<16);
  return regRead(mvme, base, reg);
}


/*****************************************************************/
uint32_t v1720_BufferFree(MVME_INTERFACE *mvme, uint32_t base, int nbuffer)
{
  int mode;

  mode = regRead(mvme, base, V1720_BUFFER_ORGANIZATION);
  if (nbuffer <= (1<< mode) ) {
    regWrite(mvme, base, V1720_BUFFER_FREE, nbuffer);
    return mode;
  } else
    return mode;
}

/*****************************************************************/
uint32_t v1720_BufferFreeRead(MVME_INTERFACE *mvme, uint32_t base)
{
  return regRead(mvme, base, V1720_BUFFER_FREE);
}

/*****************************************************************/
uint32_t v1720_DataRead(MVME_INTERFACE *mvme, uint32_t base, uint32_t *pdata, uint32_t n32w)
{
  uint32_t i;

  for (i=0;i<n32w;i++) {
    *pdata = regRead(mvme, base, V1720_EVENT_READOUT_BUFFER);
    if (*pdata != 0xffffffff)
      pdata++;
    else
      break;
  }
  return i;
}

/********************************************************************/
/** v1720_DataBlockRead
Read N entries (32bit) 
@param mvme vme structure
@param base  base address
@param pdest Destination pointer
@return nentry
*/
uint32_t v1720_DataBlockRead(MVME_INTERFACE *mvme, uint32_t base, uint32_t *pdest, uint32_t *nentry)
{
  int status;

  mvme_set_am(  mvme, MVME_AM_A32);
  mvme_set_dmode(  mvme, MVME_DMODE_D32);
  //mvme_set_blt(  mvme, MVME_BLT_MBLT64);
  //mvme_set_blt(  mvme, MVME_BLT_NONE);
  mvme_set_blt(mvme, MVME_BLT_BLT32);
  //mvme_set_blt(  mvme, 0);

  // Transfer in MBLT64 (8bytes), nentry is in 32bits(VF48)
  // *nentry * 8 / 2
  status = mvme_read(mvme, pdest, base+V1720_EVENT_READOUT_BUFFER, 4);
  //printf("status = %d\n",status);
  if (status != MVME_SUCCESS)
    return 0;

  return (*nentry);
}


/*****************************************************************/
void  v1720_Status(MVME_INTERFACE *mvme, uint32_t base)
{
  printf("================================================\n");
  printf("V1720 at A32 0x%x\n", (int)base);
  printf("Board ID             : 0x%x\n", regRead(mvme, base, V1720_BOARD_ID));
  printf("Board Info           : 0x%x\n", regRead(mvme, base, V1720_BOARD_INFO));
  printf("Acquisition status   : 0x%8.8x\n", regRead(mvme, base, V1720_ACQUISITION_STATUS));
  printf("================================================\n");
}

/*****************************************************************/
/**
Sets all the necessary paramters for a given configuration.
The configuration is provided by the mode argument.
Add your own configuration in the case statement. Let me know
your setting if you want to include it in the distribution.
- <b>Mode 1</b> : 

@param *mvme VME structure
@param  base Module base address
@param mode  Configuration mode number
@return 0: OK. -1: Bad
*/
... 169 more lines ...
  763   17 Jun 2011 Jimmy NgaiForumCannot open input file (file too large?)
Dear All,

I got a "Cannot open input file" error when I tried to analyze a .mid.gz file with 
size over 5 GB on a 32-bit Linux. The error traced back to gzopen() in mana.c 
where it returned NULL when opening the file. I understand that 32-bit Linux may 
not be able to handle files with size over 2 GB. I tried to add -
D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 to CFLAGS in the Makefile of MIDAS and 
the analyzer, but I still got the same error. Is there any workarounds that enable 
me to analyze large files on 32-bit systems?

p.s. The data file was also produced on a 32-bit Linux.

Thanks & Best Regards,

Jimmy
  764   17 Jun 2011 Konstantin OlchanskiForumladd00.triumf.ca https ssl certificate update
The HTTPS SSL certificate on ladd00.triumf.ca has been updated. Same as the old
certificate, the new one is self-signed and your web browser may complain about
that and ask you to "save a security exception".

When you save the new certificate, you can verify that you are connected to the
real ladd00.triumf.ca by comparing the "SHA1 fingerprint" reported by your web
browser to the one given below (as reported by "svn update"):

Certificate information:
 - Hostname: ladd00.triumf.ca
 - Valid: from Jun 17 23:36:35 2011 GMT until Jun 16 23:36:35 2012 GMT
 - Issuer: DAQ, TRIUMF, Vancouver, BC, CA
 - Fingerprint: 2a:be:9f:9f:70:d4:dc:72:9f:63:bf:4f:fe:c0:2c:8f:a8:29:f2:f1

K.O.
  765   20 Jun 2011 Jimmy NgaiForumCannot open input file (file too large?)
Dear All,

Thanks Konstantin Olchanski for providing me a hint. The file can be opened now after I 
changed the line: 

file->gzfile = gzopen(file_name, "rb");

in function ma_open() in mana.c to the followings: 

INT fd = open(file_name, O_RDONLY | O_LARGEFILE);
if (fd <= 0)
   return NULL;

file->gzfile = gzdopen(fd, "rb");

No modifications to the Makefile is needed in this case.

Best Regards,
Jimmy


> Dear All,
> 
> I got a "Cannot open input file" error when I tried to analyze a .mid.gz file with 
> size over 5 GB on a 32-bit Linux. The error traced back to gzopen() in mana.c 
> where it returned NULL when opening the file. I understand that 32-bit Linux may 
> not be able to handle files with size over 2 GB. I tried to add -
> D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 to CFLAGS in the Makefile of MIDAS and 
> the analyzer, but I still got the same error. Is there any workarounds that enable 
> me to analyze large files on 32-bit systems?
> 
> p.s. The data file was also produced on a 32-bit Linux.
> 
> Thanks & Best Regards,
> 
> Jimmy
  778   25 Aug 2011 Francesco PrelzForum64-bit integer support in MIDAS
Hi,

I've been doing some preliminary work to use at least the MIDAS
SQL history component for a new CERN experiment (Aegis). I wonder
whether there is any plan to support 64-bit signed/unsigned integer data types
in MIDAS. time_t on 64-bit architectures is actually signed 64-bit
(the 'easy' way to work around the 2038 crisis), and this may be enough to
cause problems.

Thanks.
Francesco Prelz
INFN Milano
  779   05 Sep 2011 John McMillanForumkhyt1331 under scientific linux 5.5?
Hello,
      I'm trying to build khyt1331 under scientific linux 5.5, kernel
2.6.18-238.9.1el5.  Has anyone succeeded with this.  So far, I've
managed to compile by hacking all the references to man9 pages out
of the makefile.  I've then hand installed the kernel driver with 
insmod.  cat /proc/khyt1331 produces 
Hytec 5331 card found at address 0xE800, using interrupt 10
Device not in use
CAMAC crate 0: responding
CAMAC crate 1: not responding
CAMAC crate 2: not responding
CAMAC crate 3: not responding 
and the "addr" LED blinks - so progress of some sort.  
There's no sign of /dev/camac.

Next up I'm going to compile stuff like camactest.c - though the 
makefiles in the drivers folder don't mention these, so I'll have to
work through what is needed by hand.   

At some point I'll have to rewrite a bit so that it all load automatically.

Any hints or tips greatfully received.

John McMillan
  796   13 Jun 2012 Konstantin OlchanskiForumladd00.triumf.ca https ssl certificate update
The HTTPS SSL certificate on ladd00.triumf.ca has been updated. Same as the old
certificate, the new one is self-signed and your web browser may complain about
that and ask you to "save a security exception".

When you save the new certificate, you can verify that you are connected to the
real ladd00.triumf.ca by comparing the "SHA1 fingerprint" reported by your web
browser to the one given below (as reported by "svn update"):

Certificate information:
 - Hostname: ladd00.triumf.ca
 - Valid: from Wed, 13 Jun 2012 22:31:51 GMT until Thu, 13 Jun 2013 22:31:51 GMT
 - Issuer: DAQ, TRIUMF, Vancouver, BC, CA
 - Fingerprint: 82:95:78:cb:78:d3:93:1d:d4:c8:e8:1a:64:0f:62:04:2d:0e:c3:4a

K.O.
  824   10 Aug 2012 Carl BlaksleyForumProblem with CAMAC controlled by CES8210 and read out by CAEN V1718 VME controller
Hello all,

I am trying to put together a system to read out several camac adc. The camac is
read by a ces8210 camac to vme controller. The vme is then interfaced to a
computer through a CAEN v1718 usb control module. As anyone gotten the latter to
work?

Previous users seemed to indicate that they had here:

https://ladd00.triumf.ca/elog/Midas/493

but I am having problems to get this example frontend to compile. What is set as
the driver in the makefile for example? If I put v1718 there then I recieve
numerous errors from the CAENVMElib files. 

If someone else has gotten the V1718 running, I would be grateful for their
insight. 

Thanks, 
-Carl
  825   10 Aug 2012 Carl BlaksleyForumsimple example frontend for V1720

Jimmy Ngai wrote:

Jianglai Liu wrote:
Hi,

Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
V1720 FADC? I am trying to set up the DAQ for such a simple system.

I put together a frontend which talks to the VME. However it gets stuck at
"Calibrating" in initialize_equipment().

I'd appreciate some help!

Thanks,
Jianglai


Hi Jianglai,

I don't have an exmaple of using V1718 with V1720, but I have been using V1718 with V792N for a long time.

You may find in the attachment an example frontend program and my drivers for V1718 and V792N written in MVMESTD format. They have to be linked with the CAENVMELib library and other essential MIDAS stuffs.

Regards,
Jimmy


Jimmy,

How exactly did you link the CAENVMElib with your frontend? That is the part which I can not seem to replicate using your example frontend!

Thanks,
-Carl
  826   12 Aug 2012 Jimmy NgaiForumsimple example frontend for V1720

Carl Blaksley wrote:

Jimmy Ngai wrote:

Jianglai Liu wrote:
Hi,

Who has a good example of a frontend program using CAEN V1718 VME-USB bridge and
V1720 FADC? I am trying to set up the DAQ for such a simple system.

I put together a frontend which talks to the VME. However it gets stuck at
"Calibrating" in initialize_equipment().

I'd appreciate some help!

Thanks,
Jianglai


Hi Jianglai,

I don't have an exmaple of using V1718 with V1720, but I have been using V1718 with V792N for a long time.

You may find in the attachment an example frontend program and my drivers for V1718 and V792N written in MVMESTD format. They have to be linked with the CAENVMELib library and other essential MIDAS stuffs.

Regards,
Jimmy


Jimmy,

How exactly did you link the CAENVMElib with your frontend? That is the part which I can not seem to replicate using your example frontend!

Thanks,
-Carl


Hi Carl,

Attached is a cut-down version of my original Makefile just for demonstrating how to link the CAENVMElib. I didn't test it for bugs. Please make sure the libCAENVME.so is in your library path.

Jimmy
Attachment 1: Makefile
#####################################################################
#
#  Name:         Makefile
#  Created by:   Stefan Ritt
#  Modified by:  Jimmy Ngai
#
#  Date:         July 20, 2012
#
#  Contents:     Makefile for MIDAS example frontend and analyzer
#
#  $Id: Makefile 3203 2006-07-31 21:39:02Z ritt $
#
#####################################################################
#
#--------------------------------------------------------------------
# The MIDASSYS should be defined prior the use of this Makefile
ifndef MIDASSYS
missmidas::
	@echo "...";
	@echo "Missing definition of environment variable 'MIDASSYS' !";
	@echo "...";
endif

# get OS type from shell
OSTYPE = $(shell uname)

#--------------------------------------------------------------------
# The following lines contain specific switches for different UNIX
# systems. Find the one which matches your OS and outcomment the 
# lines below.

#-----------------------------------------
# This is for Linux
ifeq ($(OSTYPE),Linux)
OSTYPE = linux
endif

ifeq ($(OSTYPE),linux)

OS_DIR = linux
OSFLAGS = -DOS_LINUX -DLINUX -DUNIX -Dextname
CFLAGS = -g -O2 -Wall -Wno-write-strings
# add to compile in 32-bit mode
# OSFLAGS += -m32
LIBS = -lm -lz -lutil -lnsl -lpthread
endif

#-----------------------
# MacOSX/Darwin is just a funny Linux
#
ifeq ($(OSTYPE),Darwin)
OSTYPE = darwin
endif

ifeq ($(OSTYPE),darwin)
OS_DIR = darwin
FF = cc
OSFLAGS = -DOS_LINUX -DLINUX -DOS_DARWIN -DUNIX -DHAVE_STRLCPY -DAbsoftUNIXFortran -fPIC -Wno-unused-function
LIBS = -lpthread
SPECIFIC_OS_PRG = $(BIN_DIR)/mlxspeaker
NEED_STRLCPY=
NEED_RANLIB=1
NEED_SHLIB=
NEED_RPATH=

endif

#-----------------------------------------
# ROOT flags and libs
#
ifdef ROOTSYS
ROOTCFLAGS := $(shell  $(ROOTSYS)/bin/root-config --cflags)
ROOTCFLAGS += -DHAVE_ROOT -DUSE_ROOT
ROOTLIBS   := $(shell  $(ROOTSYS)/bin/root-config --libs) -Wl,-rpath,$(ROOTSYS)/lib
ROOTLIBS   += -lThread
else
missroot:
	@echo "...";
	@echo "Missing definition of environment variable 'ROOTSYS' !";
	@echo "...";
endif

#-------------------------------------------------------------------
# The following lines define directories. Adjust if necessary
#                 
INC_DIR    = $(MIDASSYS)/include
LIB_DIR    = $(MIDASSYS)/$(OS_DIR)/lib
SRC_DIR    = $(MIDASSYS)/src
DRV_DIR    = ./drivers
MOD_DIR    = ./modules

#-------------------------------------------------------------------
# List of analyzer modules
#
MODULES    = adccalib.o adcsum.o scaler.o

#-------------------------------------------------------------------
# Drivers needed by the frontend program
#
TRFE_DRIVERS  = v1718.o v792n.o
TRFE_LIBS     = -lCAENVME

#-------------------------------------------------------------------
# Frontend code name defaulted to frontend in this example.
# comment out the line and run your own frontend as follow:
# gmake UFE=my_frontend
#
TRFE  = trfrontend

####################################################################
# Lines below here should not be edited
####################################################################

# MIDAS library
LIB = $(LIB_DIR)/libmidas.a

# compiler
CC = gcc
CXX = g++
CFLAGS += -g -I. -I$(INC_DIR) -I$(DRV_DIR)
CFLAGS += -I$(DRV_DIR)/vme
CFLAGS += -I$(DRV_DIR)/vme/CAENVMElib/include
LDFLAGS +=

all: $(TRFE) analyzer

noenv: all

$(TRFE): $(LIB) $(LIB_DIR)/mfe.o $(TRFE_DRIVERS) $(TRFE).c $(SRC_DIR)/cnaf_callback.c
	$(CC) $(CFLAGS) $(OSFLAGS) -o $(TRFE) $(TRFE).c \
	$(SRC_DIR)/cnaf_callback.c $(TRFE_DRIVERS) $(LIB_DIR)/mfe.o $(LIB) \
	$(LDFEFLAGS) $(LIBS) $(TRFE_LIBS)

%.o: $(DRV_DIR)/vme/%.c
	$(CC) $(CFLAGS) $(OSFLAGS) -o $@ -c $<

analyzer: $(LIB) $(LIB_DIR)/rmana.o analyzer.o $(MODULES)
	$(CXX) $(CFLAGS) -o $@ $(LIB_DIR)/rmana.o analyzer.o $(MODULES) \
	$(LIB) $(LDFLAGS) $(ROOTLIBS) $(LIBS) $(ANA_LIBS)

%.o: %.c experim.h
	$(CXX) $(USERFLAGS) $(ROOTCFLAGS) $(CFLAGS) $(OSFLAGS) -o $@ -c $<

%.o: $(MOD_DIR)/%.c experim.h
	$(CXX) $(USERFLAGS) $(ROOTCFLAGS) $(CFLAGS) $(OSFLAGS) -o $@ -c $<

clean::
	rm -rf *.o *~ \#*

#end file
  831   30 Aug 2012 Raquel CastilloForumMIDAS in Windows
Hi,

I need to install MIDAS on a Windows system (Microsoft Windows Server 2003). 
The computer has the Microsoft Visual C++ 2010 Express version.
I have downloaded the MIDAS packages using the tarball mechanism. I have create 
the environment variables without problems and I have create the file           
%SystemRoot%\system32\exptab 
But when I try to build MIDAS and I do 
nmake -f makefile.nt
I have the following problem:
Microsoft (R) Program Maintenance Utility Version 10.00.30319.01
Copyright (C) Microsoft Corporation.  All rights reserved.

NMAKE : fatal error U1073: don't know how to make 'src/mhttpd.c'
Stop.

I don't understand this problem. Can anybody help me, please?

Thanks in advance!!!
  832   31 Aug 2012 Pierre-Andre AmaudruzForumMIDAS in Windows
Hi Raquel,

The makefile.nt has been corrected.
Obviously Midas on Windows has not been updated for quite a while.
mhttpd.c has been converted to c++ (mhttpd.cxx) as well as a couple of other 
applications.

Please give a try,  PAA

> Hi,
> 
> I need to install MIDAS on a Windows system (Microsoft Windows Server 2003). 
> The computer has the Microsoft Visual C++ 2010 Express version.
> I have downloaded the MIDAS packages using the tarball mechanism. I have create 
> the environment variables without problems and I have create the file           
> %SystemRoot%\system32\exptab 
> But when I try to build MIDAS and I do 
> nmake -f makefile.nt
> I have the following problem:
> Microsoft (R) Program Maintenance Utility Version 10.00.30319.01
> Copyright (C) Microsoft Corporation.  All rights reserved.
> 
> NMAKE : fatal error U1073: don't know how to make 'src/mhttpd.c'
> Stop.
> 
> I don't understand this problem. Can anybody help me, please?
> 
> Thanks in advance!!!
  840   23 Oct 2012 Raquel CastilloForumMIDAS in Windows
Hi Pierre-André, 

sorry for the long delay, another things keep me out of this computer.
Thanks a lot for correcting makefile.nt and the other applications!

Now I have try, downloading the MIDAS packages from the tarball mechanism, as
before,
and now it seems that the previous problems are solved. It remains only one small
problem, it is related to the odbedit.

I attach here the figure with the error that is reported by the computer. Is it
possible that is another file that needs to be updated? Can you help me with that?

Thanks a lot in advance!!!!



> Hi Raquel,
> 
> The makefile.nt has been corrected.
> Obviously Midas on Windows has not been updated for quite a while.
> mhttpd.c has been converted to c++ (mhttpd.cxx) as well as a couple of other 
> applications.
> 
> Please give a try,  PAA
> 
> > Hi,
> > 
> > I need to install MIDAS on a Windows system (Microsoft Windows Server 2003). 
> > The computer has the Microsoft Visual C++ 2010 Express version.
> > I have downloaded the MIDAS packages using the tarball mechanism. I have create 
> > the environment variables without problems and I have create the file           
> > %SystemRoot%\system32\exptab 
> > But when I try to build MIDAS and I do 
> > nmake -f makefile.nt
> > I have the following problem:
> > Microsoft (R) Program Maintenance Utility Version 10.00.30319.01
> > Copyright (C) Microsoft Corporation.  All rights reserved.
> > 
> > NMAKE : fatal error U1073: don't know how to make 'src/mhttpd.c'
> > Stop.
> > 
> > I don't understand this problem. Can anybody help me, please?
> > 
> > Thanks in advance!!!
Attachment 1: MIDAS_odbedit.bmp
  849   18 Dec 2012 xelapForummidas installation on SL6.3
I try to do make in zlib folder and got  this
cc -O -o example example.o -L. -lz
/usr/bin/ld: errno: TLS definition in /lib/libc.so.6 section .tbss mismatches
non-TLS reference in ./libz.a(gzio.o)
/lib/libc.so.6: could not read symbols: Bad value
collect2: ld returned 1 exit status
make: *** [example] Error 1

Do I miss any package to be installed?
Thanks in advance,
Xelap
  855   28 Jan 2013 Robert PattieForumanalyzer cannot connect to the statistics database
I've managed to put the analyzer into state where it cannot connect to the 
statistics database.  The error message suggests another analyzer is connected.  
I've recompiled MIDAS and the user code, restarted the computer etc..., and the 
analyzer cannot connect.  If I run "odbedit -c clean", I can start the analyzer, 
but get the same error when exiting or starting a run.  I've commented out all the
user code in the analyzer.c and its associated analyzer module's, and read event
code in the frontend and nothing resolves this issue.  Any suggestion?

The output from attempting to run the analyzer is:

Connect to experiment nnbarxwnr...[odb.c:1013:db_open_database,ERROR] Removed ODB
client 'Analyzer', index 0 because process pid 31982 does not exists
Deleted entry '/System/Clients/31982' for client 'Analyzer' because it is not
connected to ODB
OK
Root server listening on port 9090...
Loading previous online histos from ./data/last.root
ss_mutex_wait_for: pthread_mutex_lock() returned errno 22 (Invalid argument),
aborting...


When attempting to clean up the Analyzer tree in the ODB I receive the message
:"deletion of key not allowed."  

It appears that running the analyzer sets the permissions of the Statistics tree of
my analyzer module into RWDE.  

Adding the following lines to my start up script eliminate the above problem:
odbedit -c clean
odbedit -c "chmod 7 Analyzer/"
odbedit -c "rm /Analyzer/fADCs/Statistics"

Now when starting a run the analyzer crashes with this error:analyzer:
src/midas.c:11443: rpc_execute: Assertion `return_buffer' failed.
Aborted (core dumped)

and the messages in the odb are :

[system.c:4295:recv_tcp,ERROR] header: recv returned 0, n_received = 0, unexpected
connection closure
[midas.c:10042:rpc_client_call,ERROR] recv_tcp() failed, routine = "rc_transition",
host = "LANL-FADC-DAQ"
[midas.c:4130:cm_transition,ERROR] Could not start a run: cm_transition() status 503,
message 'Unknown error 503 from client 'Analyzer' on host LANL-FADC-DAQ'
Deleted entry '/System/Clients/1001' for client 'Analyzer' because process pid 1001
does not exists
[midas.c:8893:rpc_client_check,ERROR] Connection broken to "Analyzer" on host
LANL-FADC-DAQ
Run #180 start aborted
Error: Unknown error 503 from client 'Analyzer' on host LANL-FADC-DAQ

20:05:02 [Logger,INFO] Deleting previous file "./data/run00180.mid"

20:05:02 [ODBEdit,ERROR] [system.c:4295:recv_tcp,ERROR] header: recv returned 0,
n_received = 0, unexpected connection closure

20:05:02 [ODBEdit,ERROR] [midas.c:10042:rpc_client_call,ERROR] recv_tcp() failed,
routine = "rc_transition", host = "LANL-FADC-DAQ"

20:05:02 [ODBEdit,ERROR] [midas.c:4130:cm_transition,ERROR] Could not start a run:
cm_transition() status 503, message 'Unknown error 503 from client 'Analyzer' on host
LANL-FADC-DAQ'

20:05:02 [ODBEdit,INFO] Deleted entry '/System/Clients/1001' for client 'Analyzer'
because process pid 1001 does not exists

20:05:02 [ODBEdit,ERROR] [midas.c:8893:rpc_client_check,ERROR] Connection broken to
"Analyzer" on host LANL-FADC-DAQ

20:05:02 [ODBEdit,INFO] Run #180 start aborted
20:05:03 [mdump,INFO] Client 'Analyzer' on buffer 'SYSTEM' removed by cm_watchdog
because process pid 1001 does not exist
20:05:11 [mhttpd,INFO] Client 'Analyzer' (PID 1001) on database 'ODB' removed by
cm_watchdog (idle 10.1s,TO 10s)


Thanks,
Robert Pattie
  856   01 Feb 2013 Randolf PohlForumanalyzer cannot connect to the statistics database
The simplest thing is probably to delete all files .[A-Z]*.SHM in the odb directory (the
one you specified in /etc/exptab).
This wipes the ODB, shared memory and all the other obscure stuff, giving you a clean,
fresh start.

Of course it wipes all the valuable stuff, too. That's why it's handy to sometimes open
odbedit and "save odb_<yyyymmdd>.odb". You can reload the thing after such a fatal 
"rm .[A-Z]*.SHM" 
  857   01 Feb 2013 Stefan RittForumanalyzer cannot connect to the statistics database
> The simplest thing is probably to delete all files .[A-Z]*.SHM in the odb directory (the
> one you specified in /etc/exptab).
> This wipes the ODB, shared memory and all the other obscure stuff, giving you a clean,
> fresh start.
> 
> Of course it wipes all the valuable stuff, too. That's why it's handy to sometimes open
> odbedit and "save odb_<yyyymmdd>.odb". You can reload the thing after such a fatal 
> "rm .[A-Z]*.SHM" 

Thanks Randolf for helping out, I was not in the office this week.

In addition of deleting the *SHM files, it's sometimes necessary to delete the shared memory. You do this with the 
command line tools

ipcs -m
ipcrm -m <shmid>


/Stefan
  859   11 Feb 2013 Wes GohnForumsend_tcp error
I am getting a series of errors from MIDAS that I do not understand, so I hope
someone can help me figure this out.

I am attempting to run many frontends on one machine. I can run 8 with no
problem, but if I try to add a 9th I get errors relating to send_tcp. 

I have tried adjusting the max event sizes and buffer sizes, but it has not
resolved the problem. I also tried adjusting the data rates and the total data
volume going through each frontend, but there was no change. And as far as I can
tell I am not up against any hardware limits.

The errors are repeated continuously while a run is going. The three errors I
get are:

16:45:22 [FakeData09,ERROR] [midas.c:9958:rpc_client_call,ERROR] send_tcp() failed
16:45:22 [FakeData09,ERROR] [frontend_rpc.c:191:rpc_call,ERROR] No RPC to master
16:45:22 [FakeData09,ERROR] [system.c:4166:send_tcp,ERROR]
send(socket=9,size=16) returned -1, errno: 32 (Broken pipe)

If you have any suggestions of how I can debug this, please let me know. Thanks!
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