timer.c

MANTIS是由科罗拉多大学开发的传感器网络嵌入式操作系统。 这是mantis的0.9.5版本的源码。

//  This file is part of MANTIS OS, Operating System
//  See http://mantis.cs.colorado.edu/
//
//  Copyright (C) 2003,2004,2005 University of Colorado, Boulder
//
//  This program is free software; you can redistribute it and/or
//  modify it under the terms of the mos license (see file LICENSE)

#include "mos.h"
#include "msched.h"
#include "led.h"
#include "clock.h"

mos_alarm_t timer;

void timer_callback(void *p);

void start(void){

   //set callback function
   timer.func = timer_callback;

   //start alarm

   uint32_t secs = 2;
   uint32_t usecs = 0;
   
   mos_alarm(&timer, secs, usecs);
}

void timer_callback(void *p){
   mos_alarm(&timer, 2, 0);
   mos_led_toggle(1);
}