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110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/*
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* Copyright (c) 2007, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: example-mesh.c,v 1.7 2010/01/15 10:24:35 nifi Exp $
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*/
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/**
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* \file
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* An example of how the Mesh primitive can be used.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "net/rime.h"
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#include "net/rime/mesh.h"
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#include "dev/button-sensor.h"
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#include "dev/leds.h"
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#include <stdio.h>
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#define MESSAGE "Hello"
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static struct mesh_conn mesh;
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/*---------------------------------------------------------------------------*/
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PROCESS(example_mesh_process, "Mesh example");
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AUTOSTART_PROCESSES(&example_mesh_process);
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/*---------------------------------------------------------------------------*/
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static void
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sent(struct mesh_conn *c)
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{
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printf("packet sent\n");
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}
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static void
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timedout(struct mesh_conn *c)
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{
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printf("packet timedout\n");
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}
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static void
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recv(struct mesh_conn *c, const rimeaddr_t *from, uint8_t hops)
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{
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printf("Data received from %d.%d: %.*s (%d)\n",
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from->u8[0], from->u8[1],
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packetbuf_datalen(), (char *)packetbuf_dataptr(), packetbuf_datalen());
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packetbuf_copyfrom(MESSAGE, strlen(MESSAGE));
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mesh_send(&mesh, from);
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}
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const static struct mesh_callbacks callbacks = {recv, sent, timedout};
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(example_mesh_process, ev, data)
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{
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PROCESS_EXITHANDLER(mesh_close(&mesh);)
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PROCESS_BEGIN();
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mesh_open(&mesh, 132, &callbacks);
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SENSORS_ACTIVATE(button_sensor);
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while(1) {
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rimeaddr_t addr;
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/* Wait for button click before sending the first message. */
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PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event && data == &button_sensor);
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printf("Button clicked\n");
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/* Send a message to node number 1. */
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packetbuf_copyfrom(MESSAGE, strlen(MESSAGE));
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addr.u8[0] = 1;
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addr.u8[1] = 0;
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mesh_send(&mesh, &addr);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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