mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-19 03:05:14 +00:00
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "contiki-lib.h"
|
|
#include "contiki-net.h"
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "dev/button-sensor.h"
|
|
#include "debug.h"
|
|
|
|
#define DEBUG DEBUG_PRINT
|
|
#include "net/ip/uip-debug.h"
|
|
|
|
#define PING6_NB 5
|
|
#define PING6_DATALEN 16
|
|
|
|
#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
|
|
#define UIP_ICMP_BUF ((struct uip_icmp_hdr *)&uip_buf[uip_l2_l3_hdr_len])
|
|
|
|
static struct etimer ping6_periodic_timer;
|
|
static uint8_t count = 0;
|
|
static uip_ipaddr_t dest_addr;
|
|
|
|
PROCESS(ping6_process, "PING6 process");
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
ping6handler()
|
|
{
|
|
if(count < PING6_NB) {
|
|
UIP_IP_BUF->vtc = 0x60;
|
|
UIP_IP_BUF->tcflow = 1;
|
|
UIP_IP_BUF->flow = 0;
|
|
UIP_IP_BUF->proto = UIP_PROTO_ICMP6;
|
|
UIP_IP_BUF->ttl = uip_ds6_if.cur_hop_limit;
|
|
uip_ipaddr_copy(&UIP_IP_BUF->destipaddr, &dest_addr);
|
|
uip_ds6_select_src(&UIP_IP_BUF->srcipaddr, &UIP_IP_BUF->destipaddr);
|
|
|
|
UIP_ICMP_BUF->type = ICMP6_ECHO_REQUEST;
|
|
UIP_ICMP_BUF->icode = 0;
|
|
/* set identifier and sequence number to 0 */
|
|
memset((uint8_t *)UIP_ICMP_BUF + UIP_ICMPH_LEN, 0, 4);
|
|
/* put one byte of data */
|
|
memset((uint8_t *)UIP_ICMP_BUF + UIP_ICMPH_LEN + UIP_ICMP6_ECHO_REQUEST_LEN,
|
|
count, PING6_DATALEN);
|
|
|
|
|
|
uip_len = UIP_ICMPH_LEN + UIP_ICMP6_ECHO_REQUEST_LEN + UIP_IPH_LEN
|
|
+ PING6_DATALEN;
|
|
UIP_IP_BUF->len[0] = (uint8_t)((uip_len - 40) >> 8);
|
|
UIP_IP_BUF->len[1] = (uint8_t)((uip_len - 40) & 0x00FF);
|
|
|
|
UIP_ICMP_BUF->icmpchksum = 0;
|
|
UIP_ICMP_BUF->icmpchksum = ~uip_icmp6chksum();
|
|
|
|
|
|
PRINTF("Echo Request to ");
|
|
PRINT6ADDR(&UIP_IP_BUF->destipaddr);
|
|
PRINTF(" from ");
|
|
PRINT6ADDR(&UIP_IP_BUF->srcipaddr);
|
|
PRINTF("\n");
|
|
UIP_STAT(++uip_stat.icmp.sent);
|
|
|
|
tcpip_ipv6_output();
|
|
|
|
count++;
|
|
etimer_set(&ping6_periodic_timer, 3 * CLOCK_SECOND);
|
|
} else {
|
|
count = 0;
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(ping6_process, ev, data)
|
|
{
|
|
|
|
PROCESS_BEGIN();
|
|
PRINTF("ping6 running.\n");
|
|
PRINTF("Button 1: 5 pings 16 byte payload.\n");
|
|
|
|
uip_ip6addr(&dest_addr, UIP_DS6_DEFAULT_PREFIX, 0, 0, 0, 0x0215, 0x2000, 0x0002, 0x2145);
|
|
count = 0;
|
|
|
|
icmp6_new(NULL);
|
|
|
|
while(1) {
|
|
PROCESS_YIELD();
|
|
|
|
#if BUTTON_SENSOR_ON
|
|
if(ev == sensors_event && data == &button_sensor && count == 0) {
|
|
ping6handler();
|
|
}
|
|
#endif
|
|
if(ev == PROCESS_EVENT_TIMER && etimer_expired(&ping6_periodic_timer)) {
|
|
ping6handler();
|
|
}
|
|
if(ev == tcpip_icmp6_event && *(uint8_t *)data == ICMP6_ECHO_REPLY) {
|
|
PRINTF("Echo Reply\n");
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|