exercise_remotecontrol/rime/pwnage.c

   1 #include <contiki.h>
   2 #include <stdio.h>
   3 #include <dev/leds.h>
   4 #include <dev/button-sensor.h>
   5 #include <net/rime.h>
   6
   7 PROCESS(pwnage, "total pwnage!");
   8 AUTOSTART_PROCESSES(&pwnage);
   9
  10 void recv(struct broadcast_conn *ptr, const rimeaddr_t * sender) {
  11   char * val = (char *) packetbuf_dataptr();
  12   printf("node %d: recv from %d: %s\n", rimeaddr_node_addr, *sender, val);
  13 }
  14
  15 static struct broadcast_conn bc;
  16 static const struct broadcast_callbacks bccb = { recv };
  17
  18 PROCESS_THREAD(pwnage, ev, data) {
  19   PROCESS_EXITHANDLER(broadcast_close(&bc));
  20
  21   PROCESS_BEGIN();
  22
  23   leds_init();
  24   leds_off(LEDS_ALL);
  25
  26   SENSORS_ACTIVATE(button_sensor);
  27
  28   broadcast_open(&bc, 129, &bccb);
  29
  30   static struct etimer timer;
  31   static char i;
  32   for(i = 0; 1; i++) {
  33     PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event && data == &button_sensor);
  34
  35     // debounce for 250 ms
  36     etimer_set(&timer, CLOCK_SECOND * 0.25);
  37     PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
  38
  39     char foo[] = "Spam, Spam, Wonderful Spam!";
  40     packetbuf_copyfrom(foo, sizeof(foo));
  41     broadcast_send(&bc);
  42     printf("node %d: broadcast sent\n", rimeaddr_node_addr, i);
  43   }
  44
  45   PROCESS_END();
  46 }