58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
#include "contiki.h"
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#include "net/rime.h"
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#include <stdio.h>
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static struct unicast_conn uc;
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static int numPkts = 0;
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/*---------------------------------------------------------------------------*/
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PROCESS(example_unicast_process, "Example unicast");
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AUTOSTART_PROCESSES(&example_unicast_process);
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/*---------------------------------------------------------------------------*/
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static void
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recv_uc(struct unicast_conn *c, const rimeaddr_t *from)
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{
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// Record number of packets received
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numPkts++;
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// Print the received message
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char *dataReceived = (char *)packetbuf_dataptr();
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dataReceived[packetbuf_datalen()] = 0;
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printf("A unicast received from %d.%d\n",from->u8[0],from->u8[1]);
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printf("The message is:\n '%s'\n",dataReceived);
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// Reply ACK
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rimeaddr_t addr;
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addr.u8[0] = from->u8[0];
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addr.u8[1] = from->u8[1];
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packetbuf_copyfrom("ACK",3);
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unicast_send(&uc, &addr);
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}
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static const struct unicast_callbacks unicast_callbacks = {recv_uc};
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(example_unicast_process, ev, data)
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{
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PROCESS_EXITHANDLER(unicast_close(&uc);)
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PROCESS_BEGIN();
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printf("I'm the server, my rime addr is: %d.%d\n",
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rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
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unicast_open(&uc, 146, &unicast_callbacks);
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while(1)
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{
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static struct etimer et;
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etimer_set(&et, CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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printf("Total number of packets received = %d\n",numPkts);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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