/*----------------------------------------------------------------------------*
*  Copyright (c) 2005        Southeastern Universities Research Association, *
*                            Thomas Jefferson National Accelerator Facility  *
*                                                                            *
*    This software was developed under a United States Government license    *
*    described in the NOTICE file included as part of this distribution.     *
*                                                                            *
*    E.Wolin, 25-Feb-2005, Jefferson Lab                                     *
*                                                                            *
*    Authors: Elliott Wolin                                                  *
*             wolin@jlab.org                    Jefferson Lab, MS-6B         *
*             Phone: (757) 269-7365             12000 Jefferson Ave.         *
*             Fax:   (757) 269-5519             Newport News, VA 23606       *
*
*----------------------------------------------------------------------------*/

#ifndef _vxSIS3610InterruptService_hxx
#define _vxSIS3610InterruptService_hxx


#include <vxWorks.h>
#include <unistd.h>
#include <intLib.h>
#include <iv.h>
#include <semLib.h>
#include <taskLib.h>


#include <InterruptibleObject.hxx>


namespace codaObject {


// for board support packages
extern "C" {
  extern int sysBusToLocalAdrs(int,char*,char**);
  extern int intDisconnect(int);
  extern int sysIntEnable(int);
}


// check SIS3610 manual...
#define VME_ACCESS_MODE       0x29


// user selectable within constraints from cpu
#define DISPATCH_PRIORITY     100
#define INTERRUPT_LEVEL       5
#define INTERRUPT_VECTOR      0xee


//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------


/**
 * Implements InterruptService for SIS 3610 board.
 * Not implemented yet.
 */
class vxSIS3610InterruptService : public InterruptService {
  
private:
  static void ISR(int sem);


public:
  vxSIS3610InterruptService(unsigned short *base_addr, int dispatchPriority = DISPATCH_PRIORITY,
                       int interruptLevel = INTERRUPT_LEVEL, short interruptVector = INTERRUPT_VECTOR);
  virtual bool setupInterrupt(void);
  virtual bool enableInterrupt(void);
  virtual bool deleteInterrupt(void);

  virtual int dispatchInterrupt(void);


protected:
  int myInterruptTaskId;
  SEM_ID mySemId;
  unsigned short *myBaseAddr;

  int myDispatchPriority;
  int myInterruptLevel;
  int myInterruptVector;

  unsigned short *myAddr;
};


//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------


} // namespace codaObject


#endif