---

timer.h

Go to the documentation of this file.

#ifndef _SYS_TIMER_H
#define _SYS_TIMER_H

/*
 * Copyright (C) 2001-2002 by egnite Software GmbH. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgement:
 *
 *    This product includes software developed by egnite Software GmbH
 *    and its contributors.
 *
 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * For additional information see http://www.ethernut.de/
 *
 * -
 * Portions Copyright (C) 2000 David J. Hudson <dave@humbug.demon.co.uk>
 *
 * This file is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You can redistribute this file and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software Foundation;
 * either version 2 of the License, or (at your discretion) any later version.
 * See the accompanying file "copying-gpl.txt" for more details.
 *
 * As a special exception to the GPL, permission is granted for additional
 * uses of the text contained in this file.  See the accompanying file
 * "copying-liquorice.txt" for details.
 */

/*
 * $Log: timer.h,v $
 * Revision 1.2  2003/01/24 12:01:12  przemko
 * Obciecie dosowych znakow konca lini
 *
 * Revision 1.1.1.1  2002/12/07 07:16:52  marwi
 *
 *
 * Revision 1.10  2002/06/26 17:29:29  harald
 * First pre-release with 2.4 stack
 *
 */

#include <sys/device.h>

typedef struct _NUTTIMERINFO NUTTIMERINFO;

struct _NUTTIMERINFO {
    NUTTIMERINFO *tn_next;          
    u_long tn_ticks;        
    u_long tn_ticks_left;   
    void (*tn_callback)(HANDLE, void *);    
    volatile void *tn_arg;          
};

extern NUTTIMERINFO* volatile nutTimerList;
extern NUTTIMERINFO* volatile nutTimerPool;

extern void NutTimerInit(void);


/*
 * API declarations.
 */

#define TM_ONESHOT  0x01

extern HANDLE NutTimerStart(u_long ms, void (*callback)(HANDLE, void *), void *arg, u_char flags);
extern void NutTimerStop(HANDLE handle);
extern void NutTimerStopAsync(HANDLE handle);
extern void NutSleep(u_long ms);
extern void NutDelay(u_char ms);

extern u_long NutGetCpuClock(void);

#endif

---