120 lines
3.9 KiB
C
120 lines
3.9 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-runicast.c,v 1.2 2008/11/11 13:50:21 fros4943 Exp $
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*/
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/**
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* \file
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* Reliable single-hop unicast example
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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 "dev/button-sensor.h"
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#include "dev/leds.h"
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#include <stdio.h>
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#define MAX_RETRANSMISSIONS 4
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/*---------------------------------------------------------------------------*/
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PROCESS(test_runicast_process, "runicast test");
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AUTOSTART_PROCESSES(&test_runicast_process);
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/*---------------------------------------------------------------------------*/
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static uint8_t in_tx;
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static void
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recv_runicast(struct runicast_conn *c, rimeaddr_t *from, uint8_t seqno)
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{
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printf("runicast message received from %d.%d, seqno %d\n",
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from->u8[0], from->u8[1], seqno);
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}
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static void
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sent_runicast(struct runicast_conn *c, rimeaddr_t *to, uint8_t retransmissions)
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{
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in_tx = 0;
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printf("runicast message sent to %d.%d, retransmissions %d\n",
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to->u8[0], to->u8[1], retransmissions);
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}
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static void
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timedout_runicast(struct runicast_conn *c, rimeaddr_t *to, uint8_t retransmissions)
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{
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in_tx = 0;
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printf("runicast message timed out when sending to %d.%d, retransmissions %d\n",
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to->u8[0], to->u8[1], retransmissions);
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}
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static const struct runicast_callbacks runicast_callbacks = {recv_runicast,
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sent_runicast,
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timedout_runicast};
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static struct runicast_conn runicast;
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(test_runicast_process, ev, data)
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{
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PROCESS_EXITHANDLER(runicast_close(&runicast);)
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PROCESS_BEGIN();
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runicast_open(&runicast, 128, &runicast_callbacks);
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in_tx = 0;
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while(1) {
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static struct etimer et;
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etimer_set(&et, 10*CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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if(!in_tx &&
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!(rimeaddr_node_addr.u8[0] == 1 &&
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rimeaddr_node_addr.u8[1] == 0)) {
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rimeaddr_t recv;
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rimebuf_copyfrom("Hello", 5);
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recv.u8[0] = 1;
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recv.u8[1] = 0;
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/*printf("%u.%u: sending runicast to address %u.%u\n",
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rimeaddr_node_addr.u8[0],
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rimeaddr_node_addr.u8[1],
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recv.u8[0],
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recv.u8[1]);*/
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in_tx = 1;
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runicast_send(&runicast, &recv, MAX_RETRANSMISSIONS);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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