Gabriel: Controle de Estimação de Estados entre dois nodos com configuração repassada pelo controlador
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#include "contiki.h"
#include "stddef.h" /* For offsetof */
#include "stdio.h"
#include "contiki-conf.h"
#include "cc2420.h"
#include "cc2420_const.h"
#include "lib/random.h"
#include "sys/ctimer.h"
#include "sys/etimer.h"
#include "net/ip/uip.h"
#include "net/ipv6/uip-ds6.h"
#include "simple-udp.h"
#include <string.h>
#include <core/net/packetbuf.h>
#define UDP_PORT 1234
#define SEND_INTERVAL (20 * CLOCK_SECOND)
#define SEND_TIME (random_rand() % (SEND_INTERVAL))
static struct simple_udp_connection broadcast_connection;
PROCESS (coleta_process, "Coletador");
AUTOSTART_PROCESSES (&coleta_process);
static void
receiver(struct simple_udp_connection *c,
const uip_ipaddr_t *sender_addr,
uint16_t sender_port,
const uip_ipaddr_t *receiver_addr,
uint16_t receiver_port,
const uint8_t *data,
uint16_t datalen)
{
int rssi = packetbuf_attr(PACKETBUF_ATTR_RSSI);
int lqi = packetbuf_attr(PACKETBUF_ATTR_LINK_QUALITY);
printf("Dados recebidos da porta %d pela porta %d com tamanho %d, rssi = %d e lqi = %d \n",
receiver_port, sender_port, datalen, rssi, lqi);
}
PROCESS_THREAD(coleta_process, ev, data)
{
static struct etimer periodic_timer;
static struct etimer send_timer;
uip_ipaddr_t addr;
PROCESS_BEGIN();
simple_udp_register(&broadcast_connection, UDP_PORT,
NULL, UDP_PORT,
receiver);
etimer_set(&periodic_timer, SEND_INTERVAL);
while(1)
{
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&periodic_timer));
etimer_reset(&periodic_timer);
etimer_set(&send_timer, SEND_TIME);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&send_timer));
printf("Enviando Transmisao\n");
uip_create_linklocal_allnodes_mcast(&addr);
simple_udp_sendto(&broadcast_connection, "Test", 4, &addr);
}
PROCESS_END();
}