tutorial/ledbuttontest/ledbuttontest.c

   1 #include <contiki.h>
   2 #include <dev/leds.h>
   3 //#include <stdio.h>
   4 #include <dev/button-sensor.h>
   5
   6 PROCESS(ledbuttontest, "LED button test");
   7 AUTOSTART_PROCESSES(&ledbuttontest);
   8
   9 PROCESS_THREAD(ledbuttontest, ev, data) {
  10   PROCESS_BEGIN();
  11
  12   leds_init();
  13   leds_off(LEDS_ALL);
  14
  15   SENSORS_ACTIVATE(button_sensor);
  16
  17   static char i;
  18   static struct etimer timer;
  19   for(i = 0; 1; i++) {
  20     PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event && data == &button_sensor);
  21
  22     // debounce for 250 ms
  23     etimer_set(&timer, CLOCK_SECOND * 0.25);
  24     PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
  25
  26     if((i % 2)) {
  27       leds_toggle(LEDS_GREEN);
  28     }
  29     leds_toggle(LEDS_YELLOW);
  30     //printf("toggled\n");
  31   }
  32
  33   PROCESS_END();
  34 }