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62 lines
1.4 KiB
62 lines
1.4 KiB
20 years ago
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/* $Id: fsm.h,v 1.3.2.2 2001/09/23 22:24:47 kai Exp $
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*
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* Finite state machine
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*
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* Author Karsten Keil
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* Copyright by Karsten Keil <keil@isdn4linux.de>
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* by Kai Germaschewski <kai.germaschewski@gmx.de>
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*
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*/
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#ifndef __FSM_H__
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#define __FSM_H__
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#include <linux/timer.h>
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struct FsmInst;
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typedef void (* FSMFNPTR)(struct FsmInst *, int, void *);
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struct Fsm {
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FSMFNPTR *jumpmatrix;
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int state_count, event_count;
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char **strEvent, **strState;
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};
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struct FsmInst {
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struct Fsm *fsm;
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int state;
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int debug;
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void *userdata;
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int userint;
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void (*printdebug) (struct FsmInst *, char *, ...);
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};
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struct FsmNode {
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int state, event;
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void (*routine) (struct FsmInst *, int, void *);
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};
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struct FsmTimer {
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struct FsmInst *fi;
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struct timer_list tl;
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int event;
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void *arg;
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};
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int FsmNew(struct Fsm *fsm, struct FsmNode *fnlist, int fncount);
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void FsmFree(struct Fsm *fsm);
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int FsmEvent(struct FsmInst *fi, int event, void *arg);
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void FsmChangeState(struct FsmInst *fi, int newstate);
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void FsmInitTimer(struct FsmInst *fi, struct FsmTimer *ft);
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int FsmAddTimer(struct FsmTimer *ft, int millisec, int event,
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void *arg, int where);
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void FsmRestartTimer(struct FsmTimer *ft, int millisec, int event,
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void *arg, int where);
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void FsmDelTimer(struct FsmTimer *ft, int where);
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#endif
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