nes-proj/examples/mb851/acc-sensor/acc-example.c

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2010-10-25 13:34:28 +00:00
/*
* Copyright (c) 2010, STMicroelectronics.
* 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
* Example showing use of the accelerometer.
* \author
* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
*
*/
#include "contiki.h"
#include "dev/acc-sensor.h"
#include <stdio.h> /* For printf() */
/*---------------------------------------------------------------------------*/
PROCESS(acc_process, "Accelerometer process");
AUTOSTART_PROCESSES(&acc_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(acc_process, ev, data)
{
static struct etimer etimer;
PROCESS_BEGIN();
printf("Starting measuring acceleration\r\n");
SENSORS_ACTIVATE(acc_sensor);
// Enable High Range.
//acc_sensor.configure(ACC_RANGE, ACC_HIGH_RANGE);
// Enable High Pass Filter.
//acc_sensor.configure(ACC_HPF, ACC_1HZ);
while(1) {
etimer_set(&etimer, CLOCK_SECOND/2);
PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
printf("(X,Y,Z): (%d,%d,%d) mg \r",acc_sensor.value(ACC_X_AXIS),acc_sensor.value(ACC_Y_AXIS),acc_sensor.value(ACC_Z_AXIS));
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/