/* * Copyright (c) 2007, Swedish Institute of Computer Science. * All rights reserved. * * 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. * * $Id: test-button.c,v 1.5 2010/02/02 21:41:54 joxe Exp $ */ /** * \file * An example of how to use the button and light sensor on * the Tmote Sky platform. * \author * Adam Dunkels */ #include #include "contiki.h" #include "dev/button-sensor.h" #include "dev/light-sensor.h" #include "dev/leds.h" #include /*---------------------------------------------------------------------------*/ PROCESS(test_button_process, "Test button"); AUTOSTART_PROCESSES(&test_button_process); /*---------------------------------------------------------------------------*/ static uint8_t active; PROCESS_THREAD(test_button_process, ev, data) { PROCESS_BEGIN(); SENSORS_ACTIVATE(button_sensor); while(1) { PROCESS_WAIT_EVENT_UNTIL(ev == sensors_event && data == &button_sensor); leds_toggle(LEDS_ALL); if(!active) { /* activate light sensor */ SENSORS_ACTIVATE(light_sensor); printf("Light: %d\n", light_sensor.value(0)); } else { /* deactivate light sensor */ printf("Light: %d\n", light_sensor.value(0)); SENSORS_DEACTIVATE(light_sensor); } leds_toggle(LEDS_ALL); } PROCESS_END(); } /*---------------------------------------------------------------------------*/