CCAENV830.cpp

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/*
                    GNU GENERAL PUBLIC LICENSE
                       Version 2, June 1991

 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
                       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 Everyone is permitted to copy and distribute verbatim copies
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*/

#include "CCAENV830.h"
#include "CCAENV820Registers.h"
#include <CVMEInterface.h>
#include <string>
#include <stdio.h>
#include <string.h>

// The 'macros' below are used to do structure like offsets
// using the register structure through VmeModule:
//
#define SOffset(s,field) (((unsigned int)&(((s*)0)->field))/sizeof(short))
#define LOffset(s,field) (((unsigned int)&(((s*)0)->field))/sizeof(long))
#define GetShort(field) (m_pModule->peekw(SOffset(CAENV830Registers,field)))
#define GetLong(field)  (m_pModule->peekl(LOffset(CAENV830Registers,field)))
#define PutShort(field,value) (m_pModule->pokew((value),  \
                                  SOffset(CAENV830Registers,field)))
#define PutLong(field,value)  (m_pModule->pokel((value), \
                                  LOffset(CAENV830Registers,field)))
#define GetProm(m,field) (m.peekw(SOffset(CAENV830ROM,field)))
 
static inline void ThrowIntString(char* formatstring, int value) 
  throw (string)
{
  char msg[strlen(formatstring) + 100];
  sprintf(msg, formatstring, value);
  throw string(msg);
}
static inline void ThrowIfBadChannel(const char* pFunction,
                                   int nChannel)  throw (string)
{
  char* pFmtString=
    "CCAENV830::%s Invalid channel must be in [0,31] %d";
  if( (nChannel < 0) || (nChannel > 31)) {
    char msg[100 + strlen(pFunction) + strlen(pFmtString)];
    sprintf(msg, pFmtString, pFunction, nChannel);
    throw string(msg);
  }
}
CCAENV830::CCAENV830(int slot,
                     int crate,
                     bool geo,
                     unsigned long base) throw (string) :
  m_nCrate(crate),
  m_nSlot(slot),
  m_nBase(base),
  m_pModule(0),
  m_fGeo(geo)
{
  try {
    MapModule();                // Access the module.
    InitModule();               // Setup initial module state.
  } catch (...) {
    delete m_pModule;           // Prevent leakage...
    throw;                      // But let the exception propagate.
  }

}
CCAENV830::~CCAENV830()
{
  UnmapModule();                // Destroy mapping info.
}

// Functions that operate on the module:



// Utility functions:

void
CCAENV830::Enable(int nChannel) throw (string)
{
  ThrowIfBadChannel("Enable", nChannel);
  int nMask  = GetLong(Enables);
  nMask     |= 1 << nChannel;
  SetEnableMask(nMask);
}

void
CCAENV830::Disable(int nChannel) throw (string)
{
  ThrowIfBadChannel("Disable", nChannel);
  int nMask = GetLong(Enables);
  nMask    &= ~(1 << nChannel); 
  SetEnableMask(nMask);
}

void
CCAENV830::SetEnableMask(int nMask)
{
  PutLong(Enables, nMask);
  ComputeEventSize();           // Update the event size.
}

void
CCAENV830::SetDwellTime(int n400ns) 
{
  PutLong(DwellTime, n400ns);
}

void
CCAENV830::SetTriggerMode(CCAENV830::TriggerMode mode) throw (string)
{
  short csr = GetShort(Csr);
  csr      &= ~CSRAcqMode;
  switch (mode) {
  case Disabled:
    csr |= CSRAcqDisable;
    break;
  case Random:
    csr |= CSRAcqRandom;
    break;
  case Periodic:
    csr |= CSRAcqPeriodic;
    break;
  default:
    ThrowIntString("CCAENV830::SetTriggerMode invalid trigger mode %d",
                mode);
                
  }
  PutShort(Csr, csr);
}


void CCAENV830::SetWide()
{
  PutShort(Bitclear1, CSRFormat);
}
void CCAENV830::SetNarrow()
{
  PutShort(Bitset1, CSRFormat);
}
void
CCAENV830::EnableHeader()
{
  PutShort(Bitset1, CSRHeader);
  ComputeEventSize();           // Update event size.
}
void
CCAENV830::DisableHeader()
{
  PutShort(Bitclear1, CSRHeader);
  ComputeEventSize();           // Update the event size.
}
void
CCAENV830::FPClearsMEB(bool state)
{
  if(state) {
    PutShort(Bitset1, CSRFPClear);
  }
  else {
    PutShort(Bitclear1, CSRFPClear);
  }
}
void
CCAENV830::EnableAutoReset()
{
  PutShort(Bitset1, CSRAutoClr);
}
void
CCAENV830::DisableAutoReset()
{
  PutShort(Bitclear1, CSRAutoClr);
}
bool
CCAENV830::isDataReady()
{
  short stat = GetShort(Status);
  return ((stat & STATUSDready) != 0);
}
bool
CCAENV830::isAlmostFull()
{
  short stat = GetShort(Status);
  return ((stat & STATUSAFull) != 0);
}
bool
CCAENV830::isFull()
{
  short stat = GetShort(Status);
  return ((stat & STATUSFull) != 0);
}
bool
CCAENV830::isGlobalDready()
{
  short stat = GetShort(Status);
  return ((stat & STATUSGDready) != 0);
}
bool
CCAENV830::isGlobalBusy()
{
  short stat = GetShort(Status);
  return ((stat & STATUSGBusy) & 1);

}

void
CCAENV830::Reset()
{
  PutShort(SwReset, 0);         // That I write is all that matters
}
void
CCAENV830::Clear()
{
  PutShort(SwClear, 0);
}
void
CCAENV830::Trigger()
{
  PutShort(SwTrigger, 0);
}
void
CCAENV830::SetTriggerCounter(int n)
{
  PutLong(TriggerCounter, n);
}
void
CCAENV830::SetAlmostFullLevel(int n)
{
  PutShort(AlmostFull, (n & 0xffff));
}
int
CCAENV830::GetMEBEventCount()
{
  return GetShort(MEBCount);
}

void
CCAENV830::MapModule() throw (string)
{
  // Validate the member data:

  if(m_nCrate < 0) {
    ThrowIntString("CCAENV820::MapCard - invalid crate %d",
                   m_nCrate);
  }
  if((m_nSlot < 2) || (m_nSlot > 24)) { // Can't be controller !
    ThrowIntString("CCAENV820::MapCard - invalid slot %d",
                   m_nSlot);
  }
  

  // If geographically addressed,  First access in geo mode and 
  // then re-program.  We're going to check the module's
  // validity later... hopefully this won't harm anything
  // if this is not a V820/V830:
  //
  if(m_fGeo) {
    m_pModule = new CVmeModule(CVmeModule::geo,
                               m_nSlot << 19,
                               sizeof(CAENV830Registers),
                               m_nCrate);
    
    PutShort(Ader_24, 0);       // Set the new base address.
    PutShort(Ader_32, m_nSlot); 
    PutShort(EnableAder,ADEREnable); // Turn on the new address.
    m_nBase = m_nSlot << 24;    // Let remaining code know it.
    delete m_pModule;
    m_pModule = 0;
    
  } 
  // At this point, the module is supposed to be set up to respond
  // to the address at m_nBase, either because that's what it's
  // rotaries were set to or that's where the module was programmed
  // to be.  Now we create the 'permanent' CVmeModule for the
  // registers and a temporary one for the prom.  Pull the prom
  // characteristics and take a bit of time to ensure that 
  // this module is what we think it is...

  CVmeModule prom(CVmeModule::a32d32,
                  m_nBase + CAENV830_PROMBASE,
                  sizeof(CAENV830ROM), 
                  m_nCrate);
  m_nModuleType = ((GetProm(prom, ModelH) & 0xff) << 16 ) |
                  ((GetProm(prom, ModelM) & 0xff) <<  8 ) |
                   (GetProm(prom, ModelL) & 0xff);
  m_nSerialno   = ((GetProm(prom, SerialH) & 0xff)  << 8)  |
                   (GetProm(prom, SerialL) & 0xff);
  if((m_nModuleType  != 820) && 
     (m_nModuleType  != 830)) {
    ThrowIntString("CCAENV830::MapModule Module type invalid %d",
             m_nModuleType);
  }
  // Now create the 'permanent' register map.
  
  m_pModule = new CVmeModule(CVmeModule::a32d32,
                             m_nBase,
                             sizeof(CAENV830Registers),
                             m_nCrate);

  // We attempt to set the module's slot number:
  // If this module accepts geo addressing, the slot will already
  // match the slot param.  If not, then this will set the
  // slot address for the data.  It is considered an error to 
  // use base addressing on a non geo accessed slot.. so we'll
  // throw an error if the slot address reg. doesn't match after
  // all this is done:

  PutShort(Slot, m_nSlot);
  if((GetShort(Slot) & 0x1f) != m_nSlot) {
    ThrowIntString("CCAENV830::MapModule - Module's slot register \
doesn't match requested slot %d",
             m_nSlot);
  }
  m_nFirmware = GetShort(FirmwareRev) & 0xff;
  
}
void
CCAENV830::InitModule()
{
  // Set module to power up settings, and clear the data
  Reset();
  Clear();

  //Setup the module to the default config:

  SetEnableMask(0xffffffff);    // All channels on.
  SetTriggerMode(Random);
  SetNarrow();
  EnableHeader();
  FPClearsMEB(true);
  EnableAutoReset();

}
void
CCAENV830::ComputeEventSize()
{
  m_nEventLength = 0;
  if((GetShort(Csr) & CSRHeader) != 0) m_nEventLength++;
  
  long nEnables = GetLong(Enables);
  for(int i =0; i < 32; i++) {
    if( ((1 << i) & nEnables) != 0) m_nEventLength++;
  }

}
void
CCAENV830::UnmapModule()
{
  delete m_pModule;
  m_pModule = 0;
}
int
CCAENV830::ReadEvent(void * pBuffer) 
{
  if(isDataReady()) {
#ifdef WienerVME
    void* pHandle = m_pModule->getDriver();
    ReadLongs(pHandle, m_nBase, pBuffer, m_nEventLength);
#else
    unsigned long* p((unsigned long*) pBuffer);
    for(int i = 0; i < m_nEventLength; i++) {
      *p++ = GetLong(MEB[i]);
    }
#endif
    return m_nEventLength * sizeof(long)/sizeof(short);
  }
  else {
    return 0;
  }
}
int
CCAENV830::ReadEvent(DAQWordBufferPtr& rBufferPtr)
{
  unsigned long localBuffer[m_nEventLength];
  int nSize = ReadEvent(localBuffer);
  if(nSize) {
    unsigned short* pLocal = (unsigned short*)localBuffer;
    for(int i =0; i < nSize; i++) {
      *rBufferPtr = *pLocal++;
      ++rBufferPtr;             // This is faster than post incr.
    }
  }
  return nSize;
  
}
int
CCAENV830::ReadEvent(DAQWordBuffer& rBuffer, int offset)
{
  unsigned long localBuffer[m_nEventLength];
  int nSize = ReadEvent(localBuffer);
  if(nSize) {
    unsigned short* pBuf = (unsigned short*)localBuffer;
    for(int i =0; i < nSize; i++) {
      rBuffer[offset++] = *pBuf++;
    }
  }
  return nSize;
}

int
CCAENV830::ReadCounter(int nChannel)
{
  if((nChannel < 0) || (nChannel > 31)) {
    char text[1000];
    string msg;
    sprintf(text, "Invalid channel %d (must be in [0,31] in %s\n",
            nChannel, "CCAENV830::ReadCounter");
    msg = text;
    throw msg;
  }
  return GetLong(Counters[nChannel]);
}

---