pwrmgt.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)

/**************************************************************************/
/* File:    pwrmgt.c                                                      */
/* Author:  Shah Bhatti                                                   */
/* Date: 1/1/04                                                           */
/*                                                                        */
/* This is a simple demo app to illustrate sleep and power management     */
/**************************************************************************/

#include <inttypes.h>

#include "msched.h"  // MANTIS scheduler (gives us start)
#include "led.h"     // LED control

void toggle_leds_0and2()
{
   mos_thread_set_suspend_state (SUSPEND_STATE_SLEEP);
   while(1){
      mos_led_toggle(0);
      mos_led_toggle(2);
			    
      mos_thread_sleep(64);
   }
}	


void toggle_leds_1()
{
   mos_thread_set_suspend_state (SUSPEND_STATE_SLEEP);
   mos_thread_sleep(32);

   while(1){
      mos_led_toggle(1);
      mos_thread_sleep(64);
   }
}	



/* The start function is automatically called by the operating system,
   so this is where the application begins execution.  The thread used to
   call start has a limited amount of stack space so it is best to create
   threads here and then return. */

void start(void)
{
   mos_thread_new(toggle_leds_0and2, 128, PRIORITY_NORMAL);
   mos_thread_new(toggle_leds_1, 128, PRIORITY_NORMAL);
}