testuip.c

Contiki是一个开源

/*
 * Copyright (c) 2006, 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.
 *
 * $Id: testuip.c,v 1.2 2008/10/03 09:39:38 fros4943 Exp $
 */

#include <stdlib.h>
#include "net/uip.h"
#include "dev/button-sensor.h"
#include "dev/leds.h"

#include <stdio.h>

#define COOJA_PORT 1234

PROCESS(test_uip_process, "uIP test process");
AUTOSTART_PROCESSES(&test_uip_process);

static struct uip_udp_conn *broadcast_conn;
/*---------------------------------------------------------------------*/
PROCESS_THREAD(test_uip_process, ev, data)
{
  PROCESS_BEGIN();

  printf("uIP test process started\n");

  broadcast_conn = udp_broadcast_new(COOJA_PORT, NULL);
  button_sensor.activate();

  while(1) {
    PROCESS_WAIT_EVENT();
    printf("An event occured: ");

    if(ev == PROCESS_EVENT_EXIT) {
      printf("shutting down\n");
      break;
    }

    if(ev == sensors_event && data == &button_sensor && button_sensor.value(0)) {
      printf("button clicked, sending packet\n");

      tcpip_poll_udp(broadcast_conn);
      PROCESS_WAIT_UNTIL(ev == tcpip_event && uip_poll());
      uip_send("cooyah COOJA", 12);
    }

    if(ev == sensors_event && data == &button_sensor && !button_sensor.value(0)) {
      printf("button released, ignoring event\n");
    }

    if(ev == tcpip_event && uip_newdata()) {
      printf("a packet was received, toggling leds\n");
      printf("packet data: '%s'\n", (char*) uip_appdata);
      leds_toggle(LEDS_ALL);
    }
  }

  PROCESS_END();
}
/*---------------------------------------------------------------------*/