ac5card.hpp

//=============================================================================
//  Unified IO - C++ interface for industrial IO cards
//  Copyright (C) 2000, UAB "BBD SOFT" ( http://www.bbdsoft.com/ )
//
// This material is provided "as is", with absolutely no warranty expressed
// or implied. Any use is at your own risk.
//
// Permission to use or copy this software for any purpose is hereby granted 
// without fee, provided the above notices are retained on all copies.
// Permission to modify the code and to distribute modified code is granted,
// provided the above notices are retained, and a notice that the code was
// modified is included with the above copyright notice.
//
//=============================================================================


#ifndef _AC5CARD_
#define _AC5CARD_

#ifndef _UNIIO_H
   #include "uniio.h"
#endif

#ifndef _IOCARD_
   #include "iocard.hpp"
#endif

//-----------------------------------------------------------------------------
namespace Uniio
{

class _Export_UNIIO AC5Card : public IOCard
{
   typedef IOCard Inherited;

public:

   AC5Card ( const unsigned inBaseIOPort );
   virtual ~AC5Card ();

   unsigned baseIOPort () const;

protected:

   enum AC5Constants
   {
       maxNumberOfBanks = 3  
     , maxNumberOfPoints = 8
   };

   virtual IOCard & updateInputs ( const IOTrack & inTrack
                                 , long * inImage
                                 , long & inTrackState
                                 );

   virtual IOCard & updateOutputs ( const IOTrack & inTrack
                                  , const long * const inImage
                                 , long & inTrackState
                                  );

   virtual IOCard & addTrack ( IOTrack & inTrack ) ;

private:

   const unsigned theBaseIOPort; 
   unsigned char theBankMasks [maxNumberOfBanks];

}; // end AC5Card class declaration

#include "ac5card.inl"

}; // end namespace

#endif

ac5card.inl

//=============================================================================
//  Unified IO - C++ interface for industrial IO cards
//  Copyright (C) 2000, UAB "BBD SOFT" ( http://www.bbdsoft.com/ )
//
// This material is provided "as is", with absolutely no warranty expressed
// or implied. Any use is at your own risk.
//
// Permission to use or copy this software for any purpose is hereby granted 
// without fee, provided the above notices are retained on all copies.
// Permission to modify the code and to distribute modified code is granted,
// provided the above notices are retained, and a notice that the code was
// modified is included with the above copyright notice.
//
//=============================================================================


#ifndef _AC5CARD_INL
#define _AC5CARD_INL

#ifndef _BTRACE_
   #include "btrace.hpp"
#endif

//-----------------------------------------------------------------------------
inline unsigned AC5Card::baseIOPort () const
{
BFUNCTRACE_ALL ();

return theBaseIOPort;
} // end AC5Card::baseIOPort () const

#endif

ac5card.cpp

//=============================================================================
//  Unified IO - C++ interface for industrial IO cards
//  Copyright (C) 2000, UAB "BBD SOFT" ( http://www.bbdsoft.com/ )
//
// This material is provided "as is", with absolutely no warranty expressed
// or implied. Any use is at your own risk.
//
// Permission to use or copy this software for any purpose is hereby granted 
// without fee, provided the above notices are retained on all copies.
// Permission to modify the code and to distribute modified code is granted,
// provided the above notices are retained, and a notice that the code was
// modified is included with the above copyright notice.
//
//=============================================================================


#ifndef _BTRACE_
   #include "btrace.hpp"
#endif

#ifndef _AC5CARD_
   #include "ac5card.hpp"
#endif

#ifndef _STDEXCEPT_
   #include 
#endif

#ifndef _IOPORT_
   #include "ioport.hpp"
#endif

#ifndef _IOTRACK_
   #include "iotrack.hpp"
#endif

using namespace std;
using namespace Uniio;

//-----------------------------------------------------------------------------
AC5Card::AC5Card ( const unsigned inBaseIOPort )
  : IOCard ("AC5")
  , theBaseIOPort ( inBaseIOPort )
{
BFUNCTRACE_DEVELOP ();

if (   theBaseIOPort % 0x10 
    || theBaseIOPort < 0x220
    || theBaseIOPort > 0x3E0
    || theBaseIOPort == 0x270
   )
{
   logic_error exc ("AC5 card: invalid base IO port number specified.");
   throw exc;
} // endif 
     
}  // end constructor


//-----------------------------------------------------------------------------
AC5Card::~AC5Card ()
{
BFUNCTRACE_DEVELOP ();
} // end destructor


//-----------------------------------------------------------------------------
IOCard & AC5Card::updateInputs ( const IOTrack & inTrack
                               , long * inImage
                               , long & inTrackState
                               )
{
BFUNCTRACE_DEVELOP ();

for ( int i = inTrack.startingPoint()
    ; i < inTrack.startingPoint() + inTrack.numberOfPoints()/maxNumberOfPoints
    ; i++)
{
   // to increase processing speed update only banks that have at least one input
   if ( theBankMasks[i] != 0xff )
   {
      IOPort dataRegister ( baseIOPort() + i*2  
                          , false               // write access not required
                          );
      unsigned char newValue = dataRegister.readChar ();

      // AC5 card used inverted logic - 0 means ON, and 1 means OFF
      newValue = ~newValue;
      for (int j = 0; j

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