generator.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 for Nymph.
  See http://mantis.cs.colorado.edu/

  Copyright (C) 2003 University of Colorado, Boulder

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program 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.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  (See http://www.gnu.org/copyleft/gpl.html)
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
  USA, or send email to [e-mail].
*/

/**
 * File:     generator.c      
 * Author:   Charles Gruenwald III - [e-mail]
 * Date:     12-14-2003
 *
 * Description: generator will repeatedly send the numbers 1,2,3...255 
 * over the radio and display the last 3 bits in binary on the LEDs. it 
 * is to be used with receiver.c to test the radios on compatable 
 * hardware (nymph/mica2).
 */

#include "mos.h"

#include "printf.h"
#include "led.h"
#include "msched.h"
#include "tlist.h"
#include "com.h"
#include "command_daemon.h"
#include "node_id.h"

static comBuf send_pkt;

void generator (void);

/*void funky_start_thread (void)
{
   mos_thread_new(mos_command_daemon, 196, PRIORITY_NORMAL);
   mos_register_function("generator", generator);
}
*/
void start (void)
{
   //give us control over serial/rf
   mos_thread_new (mos_command_daemon, 196, PRIORITY_NORMAL);
   //start this thread
   mos_thread_new (generator, 128, PRIORITY_NORMAL);
   //mos_thread_new (funky_start_thread, 128, PRIORITY_NORMAL);
   //mos_register_function("generator", generator);
}

void generator (void)
{
   uint8_t value = 0;
   uint8_t i;
   uint16_t a;
   uint16_t cycles;

   cycles = 50;
   send_pkt.size = 32;

   mos_thread_set_suspend_state (SUSPEND_STATE_SLEEP);
   printf ("\nSending begins in 20 seconds (size %d bytes)...", send_pkt.size);
   mos_thread_sleep (20000);
      
   for (a=0;a<cycles;a++) {
     mos_led_toggle(1);
      //fill packet
      for (i = 0; i < send_pkt.size; i++)
	 send_pkt.data[i] = value++;
      
      com_send (IFACE_RADIO, &send_pkt);
      //printf("sent [%C].\n",value);
      mos_thread_sleep (400);
   }
}