rb8506_sifu.h

/*
 * rb8506_sifu.h -   (RB8506).
 *
 * 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: rb8506_sifu.h 2 2004-10-12 11:54:15Z moene $
 */

#ifndef __RB8506_SIFU_H
#define __RB8506_SIFU_H

#ifndef __PIAVIA_H
#include "PiaVia.h"
#endif

namespace Rulbus
{
   DECLARE_CLASS( RB8506_Sifu );  //

   /* *
    * \example name.cpp
    * This is an example that shows ... .
    */

   class RB8506_Sifu : public Pia
   {
   public:                              // public methods

      ~RB8506_Sifu();
      RB8506_Sifu( NameCref name, Addr addr = DEF_ADDR, Rack rack = DEF_RACK );


      int   getInputPortData ();
      int   getOutputPortData();

      bool  isChangedInputLine (          );
      int   tstInputLineLevel  ( int line );
      int   getInputLineLevel  ( int line );
      int   getOutputLineLevel ( int line );

      bool  isEnabledPulseOutputs();


      void  setOutputPortData ( int data );
      void  setOutputLineLevel( int line, bool set );

      void  enablePulseOutputs( bool enable = true );


   protected:                                   // protected methods

      RB8506_Sifu();                                    
      RB8506_Sifu( RB8506_SifuCref rhs );               
      RB8506_SifuRef operator= ( RB8506_SifuCref rhs ); 


      void   clearFlipFlops();


      static int swapNibbles( int byte );
      static int swapLines  ( int line );


   public:                                      // public data

      static const Addr DEF_ADDR = Pia::DEF_ADDR + 4;   

      static const int  DEF_DIRPA   = 0xFF;     
      static const int  DEF_DIRPB   = 0x00;     
      static const char DEF_EDGECB1 = 'p';      
      static const char DEF_DIRCA2  = 'o';      
      static const char DEF_DIRCB2  = 'o';      
      static const char DEF_LVLCA2  =  0;       
      static const char DEF_LVLCB2  =  1;       
      static const bool DEF_INTRCB1 = true;     
      static const int  DEF_OUTDATA =  0;       

   };


   inline bool RB8506_Sifu::isChangedInputLine()
   {
      return getIrqCB1();
   }

   inline int RB8506_Sifu::getOutputPortData()
   {
      return getDataPA();
   }

   inline void RB8506_Sifu::setOutputPortData( int data )
   {
      setDataPA( data );
   }

   inline int RB8506_Sifu::getOutputLineLevel( int line )
   {
      return getLineLevelPA( line );
   }

   inline void RB8506_Sifu::setOutputLineLevel( int line, bool set )
   {
      setLineLevelPA( line, set );
   }

   inline bool RB8506_Sifu::isEnabledPulseOutputs()
   {
      return getLevelCA2();
   }

   inline void RB8506_Sifu::enablePulseOutputs( bool enable /* = true */ )
   {
      setLevelCA2( enable );
   }

   inline void RB8506_Sifu::clearFlipFlops()
   {
      setLevelCB2( 0 );
      setLevelCB2( 1 );
   }

   inline int RB8506_Sifu::swapNibbles( int byte )
   {
      return ( byte >> 4 ) | ( ( byte & 0xF ) << 4 );
   }

   inline int RB8506_Sifu::swapLines( int line )
   {
      return ( line < 4 ) ? line + 4 : line - 4;
   }

   inline RB8506_SifuRef to_rb8506_sifu( RulbusDevicePtr p )
   {
      return PROXY_CAST<RB8506_SifuRef>( *p );
   }

   inline RB8506_SifuPtr to_rb8506_sifu_ptr( RulbusDevicePtr p )
   {
      return PROXY_CAST<RB8506_SifuPtr>( p );
   }

} // namespace Rulbus

#endif  // __RB8506_SIFU_H

/*
 * end of file
 */

---