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88 lines
2.4 KiB
88 lines
2.4 KiB
/***************************************************************************
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* Copyright (C) 2005 by David Saxton *
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* david@bluehaze.org *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef SWITCH_H
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#define SWITCH_H
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#include <tqguardedptr.h>
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#include <tqobject.h>
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class CircuitDocument;
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class Component;
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class Pin;
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class Resistance;
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class TQTimer;
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/**
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@author David Saxton
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*/
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class Switch : public TQObject
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{
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TQ_OBJECT
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public:
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enum State
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{
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Open,
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Closed,
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};
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Switch( Component * parent, Pin * p1, Pin * p2, State state );
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~Switch();
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/**
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* If bouncing has been set to true, then the state will not switch
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* immediately to that given.
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*/
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void setState( State state );
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State state() const { return m_state; }
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/**
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* Tell the switch whether to bounce or not, for the given duration,
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* when the state is changed.
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*/
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void setBounce( bool bounce, int msec = 5 );
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/**
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* Tell the switch to continue bouncing (updates the resistance value).
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* Called from the simulator.
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*/
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void bounce();
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/**
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* Attempts to calculate the current that is flowing through the switch.
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* (If all the connectors at one of the ends know their currents, then
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* this switch will give the current to the pins at either end).
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* @return whether it was successful.
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* @see CircuitDocument::calculateConnectorCurrents
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*/
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bool calculateCurrent();
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protected slots:
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/**
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* Called from a TQTimer timeout - our bouncing period has come to an
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* end. This will then fully disconnect or connect the pins depending
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* on the current state.
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*/
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void stopBouncing();
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protected:
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void startBouncing();
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bool m_bBounce;
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int m_bouncePeriod_ms;
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unsigned long long m_bounceStart; // Simulator time that bouncing started
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Resistance * m_pBounceResistance;
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State m_state;
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Component * m_pComponent;
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TQGuardedPtr<Pin> m_pP1;
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TQGuardedPtr<Pin> m_pP2;
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TQTimer * m_pStopBouncingTimer;
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};
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#endif
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