File indexing completed on 2024-05-05 05:46:03

 /***************************************************************************
  *   Copyright (C) 2003-2005 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 EC4BITCOUNTER_H
 #define EC4BITCOUNTER_H
 
 #include "component.h"
 #include "logic.h"
 
 /**
 Simple logic counter. 4 Inputs, 4 Outputs.
 
 Outputs (A-D) represent the stored value (0-15).
 The inputs are:
 @li en - Enable incrementing of value
 @li in - Input (trigger high)
 @li r - Reset stored value to 0
 @li ud - Up/Down increment
 
 @short 4 Bit Binary Counter
 @author David Saxton
 */
 class BinaryCounter : public CallbackClass, public Component
 {
 public:
     BinaryCounter(ICNDocument *icnDocument, bool newItem, const char *id = nullptr);
     ~BinaryCounter() override;
 
     static Item *construct(ItemDocument *itemDocument, bool newItem, const char *id);
     static LibraryItem *libraryItem();
 
 public: // internal interfaces
     void inStateChanged(bool state); // Input
     void rStateChanged(bool state);  // Reset
     void enStateChanged(bool state); // Enable
     void udStateChanged(bool state); // Up/Down
 protected:
     void outputValue();
     void dataChanged() override;
     void initPins(unsigned numBits);
 
     LogicIn *enLogic, *inLogic, *rLogic, *udLogic;
     LogicOut *m_pLogicOut[26];
 
     unsigned m_numBits;
     bool b_triggerHigh;
     bool b_en; // Enable
     bool b_ud; // Up/Down
     bool b_oldIn;
     bool b_reset;
     long m_value;
     long m_maxValue;
     bool m_bDoneLogicIn;
 };
 
 #endif