| /** |
| * \addtogroup timer |
| * @{ |
| */ |
| |
| /** |
| * \file |
| * Timer library header file. |
| * \author |
| * Adam Dunkels <adam@sics.se> |
| */ |
| |
| /* |
| * Copyright (c) 2004, Swedish Institute of Computer Science. |
| * 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. Neither the name of the Institute nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 THE INSTITUTE 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. |
| * |
| * This file is part of the Contiki operating system. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| * $Id: timer.h,v 1.4 2005/02/07 22:45:15 adamdunkels Exp $ |
| */ |
| #ifndef __TIMER_H__ |
| #define __TIMER_H__ |
| |
| #include "clock.h" |
| |
| /** |
| * A timer. |
| * |
| * This structure is used for declaring a timer. The timer must be set |
| * with timer_set() before it can be used. |
| * |
| * \hideinitializer |
| */ |
| struct timer { |
| clock_time_t start; |
| clock_time_t interval; |
| }; |
| |
| void timer_set(struct timer *t, clock_time_t interval); |
| void timer_reset(struct timer *t); |
| void timer_restart(struct timer *t); |
| int timer_expired(struct timer *t); |
| |
| #endif /* __TIMER_H__ */ |