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ecbcdto7segment.h

/***************************************************************************
 *   Copyright (C) 2003-2004 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 ECBCDTO7SEGMENT_H
#define ECBCDTO7SEGMENT_H

#include "component.h"
#include "logic.h"

/**
@short Converts a BCD input to 7-Segment Output
@author David Saxton
*/
00021 class ECBCDTo7Segment : public CallbackClass, public Component
{
public:
      ECBCDTo7Segment( ICNDocument *icnDocument, bool newItem, const char *id = 0L );
      ~ECBCDTo7Segment();
      
00027       virtual bool canFlip() const { return true; }
      static Item* construct( ItemDocument *itemDocument, bool newItem, const char *id );
      static LibraryItem *libraryItem();
      
private:
      void inStateChanged( bool newState );
      LogicIn *ALogic, *BLogic, *CLogic, *DLogic;
      LogicIn *ltLogic, *rbLogic, *enLogic;
      LogicOut *outLogic[7];
      
      // Old values
      bool oldOut[7];
};

#endif

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