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;

class ADDAC : public Component
{
public:
        public:
                ADDAC( ICNDocument *icnDocument, bool newItem, const char *id = 0 );
                ~ADDAC();
                virtual bool canFlip() const { return true; }
                
        protected:
                void dataChanged();
                virtual void initPins() = 0;
                
                int m_numBits;
                double m_range;
};


class ADC : public ADDAC
{
        public:
                ADC( ICNDocument *icnDocument, bool newItem, const char *id = 0 );
                ~ADC();
        
                static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
                static LibraryItem *libraryItem();
        
                virtual void stepNonLogic();
                virtual bool doesStepNonLogic() const { return true; }
        
        protected:
                virtual void initPins();
        
                LogicOut *m_logic[max_ADDAC_bits];
                ECNode *m_realNode;
};


// TODO: make it possible to select current source or voltage source dac. =) 

class DAC : public ADDAC
{
        public:
                DAC( ICNDocument *icnDocument, bool newItem, const char *id = 0 );
                ~DAC();
        
                static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
                static LibraryItem *libraryItem();
        
                virtual void stepNonLogic();
                virtual bool doesStepNonLogic() const { return true; }
        
        protected:
                virtual void initPins();
        
                LogicIn *m_logic[max_ADDAC_bits];
                VoltagePoint *m_voltagePoint;
};


#endif

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