rlstatemachine.h

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/***************************************************************************
*                                                                         *
*   This library is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as        *
*   published by the Free Software Foundation                             *
*                                                                         *
***************************************************************************/
#ifndef _RL_STATEMACHINE_H_
#define _RL_STATEMACHINE_H_

#include "rldefine.h"
#include "rlplc.h"

class rlStatemachine
{
  public:
    rlStatemachine(int numStates, int numProcessVariables);
    virtual ~rlStatemachine();
    int    setPlcStateInt(int index, int val);
    float  setPlcStateFloat(int index, float val);
    double setPlcStateDouble(int index, double val);
    virtual void doState();                                  // implement in your subclass
    virtual void enterState(int newState, int whichEntry=0); // implement in your subclass
    virtual void exitState(int whichExit=0);                 // implement in your subclass
    int    getPlcStateInt(int index);
    float  getPlcStateFloat(int index);
    double getPlcStateDouble(int index);
    int    getState();
    rlPlcState *getVar();
  protected:  
    int num_states, num_process_variables;
    int state;
    rlPlcState *var;
};

#endif