/***************************************************************************
 *   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 PICCOMPONENTPIN_H
#define PICCOMPONENTPIN_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifndef NO_GPSIM

#include "logic.h"
#include "gpsim/stimuli.h"

#include <tqstring.h>

/**
@short Controls a pin on the PIC component
@author David Saxton
 */
class PICComponentPin : public CallbackClass, public stimulus
{
	public:
		PICComponentPin( PICComponent * picComponent, PicPin picPin );
		~PICComponentPin();
		/**
		 * Attach this to gpsim
		 */
		void attach( IOPIN * iopin );
		/**
		 * Called when the IOPIN this class is associated with changes state.
		 * Updates the associated LogicOut / LogicIn / etc according to what
		 * type of pin this is.
		 */
		virtual void set_nodeVoltage( double v );
		/**
		 * Called from our logic pin when the logic changes state.
		 */
		void logicCallback( bool state );
		/**
		 * Sets the output (if has one) to low. Called when the user stops the
		 * PIC.
		 */
		void resetOutput();
		
		virtual double get_Vth();
		
	protected:
		// Conductance of pin in different configurations
		double m_gOutHigh;
		double m_gOutLow;
		
		PicPin m_picPin;
		IOPIN * m_pIOPIN;
		LogicOut * m_pLogicOut;
		LogicIn * m_pLogicIn;
		PICComponent * m_pPICComponent;
		Stimulus_Node * m_pStimulusNode;
		const TQString m_id;
};

#endif
#endif
