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added accelerometer test with moving average.

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nvt-se 2008-03-27 13:08:35 +00:00
parent 5631c92416
commit d5c8b18fc2
1 changed files with 70 additions and 0 deletions
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platform/msb430/apps/acc-test.c Normal file
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/*
* 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: acc-test.c,v 1.1 2008/03/27 13:08:35 nvt-se Exp $
*/
#include "contiki.h"
#include "net/rime.h"
#include "dev/sd/sd.h"
#include <stdio.h>
/*---------------------------------------------------------------------------*/
PROCESS(test_acc_process, "Accelerometer test");
AUTOSTART_PROCESSES(&test_acc_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(test_acc_process, ev, data)
{
static struct etimer et;
static int x, y, z;
static uint32_t xa, ya, za;
PROCESS_BEGIN();
while(1) {
etimer_set(&et, CLOCK_SECOND / 8);
PROCESS_WAIT_EVENT();
if (etimer_expired(&et)) {
adc_on();
x = ADC12MEM0;
y = ADC12MEM1;
z = ADC12MEM2;
xa = xa + x - (xa >> 4);
ya = ya + y - (ya >> 4);
za = za + z - (za >> 4);
adc_off();
printf("x=%ld, y=%ld, z=%ld\n",
(xa >> 4) - x, (ya >> 4) - y, (za >> 4) - z);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/