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addac.h

/***************************************************************************
 *   Copyright (C) 2005 by David Saxton                                    *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   This program 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.                                   *
 ***************************************************************************/

#ifndef ADDAC_H
#define ADDAC_H

#include "component.h"

const int max_ADDAC_bits = 32;

/**
@author David Saxton
*/
00021 class ADDAC : public Component
{
public:
      public:
            ADDAC( ICNDocument *icnDocument, bool newItem, const char *id = 0L );
            ~ADDAC();
00027             virtual bool canFlip() const { return true; }
            
      protected:
            void dataChanged();
            /**
             * Add / remove pins according to the number of outputs the user has requested
             */
            virtual void initPins() = 0;
            
            int m_numBits;
            double m_range;
};


/**
@author David Saxton
 */
00044 class ADC : public ADDAC
{
      public:
            ADC( ICNDocument *icnDocument, bool newItem, const char *id = 0L );
            ~ADC();
      
            static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
            static LibraryItem *libraryItem();
      
            virtual void stepNonLogic();
00054             virtual bool doesStepNonLogic() const { return true; }
      
      protected:
            /**
             * Add / remove pins according to the number of outputs the user has requested
             */
            virtual void initPins();
      
            LogicOut *m_logic[max_ADDAC_bits];
            ECNode *m_realNode;
};


/**
@author David Saxton
 */
00070 class DAC : public ADDAC
{
      public:
            DAC( ICNDocument *icnDocument, bool newItem, const char *id = 0L );
            ~DAC();
      
            static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
            static LibraryItem *libraryItem();
      
            virtual void stepNonLogic();
00080             virtual bool doesStepNonLogic() const { return true; }
      
      protected:
            /**
             * Add / remove pins according to the number of outputs the user has requested
             */
            virtual void initPins();
      
            LogicIn *m_logic[max_ADDAC_bits];
            VoltagePoint *m_voltagePoint;
};


#endif

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