osd-contiki/examples/sky/test-button.c

77 lines
2.8 KiB
C

/*
* 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.
*
*/
/**
* \file
* An example of how to use the button and light sensor on
* the Tmote Sky platform.
* \author
* Adam Dunkels <adam@sics.se>
*/
#include <stdio.h>
#include "contiki.h"
#include "dev/button-sensor.h"
#include "dev/light-sensor.h"
#include "dev/leds.h"
#include <stdio.h>
/*---------------------------------------------------------------------------*/
PROCESS(test_button_process, "Test button");
AUTOSTART_PROCESSES(&test_button_process);
/*---------------------------------------------------------------------------*/
static uint8_t active;
PROCESS_THREAD(test_button_process, ev, data)
{
PROCESS_BEGIN();
active = 0;
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);
}
active ^= 1;
leds_toggle(LEDS_ALL);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/