rb8510_dac12.h

/*
 * rb8510_dac12.h - dual 12-bit DAC (RB8510).
 *
 * This file is part of the Rulbus Device Class Library (RDCL).
 *
 * Copyright (C) 2003-2004, Leiden University.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * The library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with mngdriver; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: rb8510_dac12.h 2 2004-10-12 11:54:15Z moene $
 */

#ifndef __RB8510_DAC12_H
#define __RB8510_DAC12_H

#ifndef __RULBUSDEVICE_H
#include "RulbusDevice.h"       // for class RulbusDevice
#endif

namespace Rulbus
{
   DECLARE_CLASS( RB8510_Dac12 );       // the 12-bit DAC class type

   class RB8510_Dac12 : public RulbusDevice
   {
   public:                              // public methods
      typedef Int  Value;               


      RB8510_Dac12(
         NameCref aName,
         Addr     aAddr        = DEF_ADDR,
         Rack     aRack        = DEF_RACK,
         bool     aBipolarFlag = DEF_BIP,
         Real     aVoltPerBit  = DEF_VPB );

      ~RB8510_Dac12();


      Volt    voltage() const;
      Value   value() const;

      bool    isBipolar() const;
      float   voltperbit() const;


      void    setVoltage ( Volt  aVoltage );
      void    setValue   ( Value aValue   );


   protected:                                   // protected methods

      RB8510_Dac12();                                     
      RB8510_Dac12( RB8510_Dac12Cref rhs );               
      RB8510_Dac12Ref operator= ( RB8510_Dac12Cref rhs ); 


   public:                                      // public data

      static const Addr  DEF_ADDR = 0xD0;      
//      static const Rack  DEF_RACK = 0;         ///< default rack
      static const bool  DEF_BIP  = true;      
      static const Real  DEF_VPB  /* = 5e-3 */;     


      static const Value LIM_MINVAL = 0x0000;   
      static const Value LIM_MAXVAL = 0x0FFF;   
      static const Value LIM_BIPVAL = 0x0800;   


   private:                                     // private data
      Value theRegister;                        
      bool  theBipolarFlag;                     
      Real  theVoltPerBit;                      


      static const int   OFF_MSB = 0;           
      static const int   OFF_LSB = 1;           

      static const int ADR_WIDTH = OFF_LSB + 1; 

   };


   inline RB8510_Dac12::Value RB8510_Dac12::value() const
   {
      return theRegister;
   }

   inline bool RB8510_Dac12::isBipolar() const
   {
      return theBipolarFlag;
   }

   inline float RB8510_Dac12::voltperbit() const
   {
      return theVoltPerBit;
   }

   inline RB8510_Dac12Ref to_rb8510( RulbusDevicePtr p )
   {
      return PROXY_CAST<RB8510_Dac12Ref>( *p );
   }

   inline RB8510_Dac12Ptr to_rb8510_ptr( RulbusDevicePtr p )
   {
      return PROXY_CAST<RB8510_Dac12Ptr>( p );
   }

} // namespace Rulbus

#endif  // __RB8510_DAC12_H

/*
 * end of file
 */

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