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104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
/*
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* Copyright (c) 2005, Swedish Institute of Computer Science
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$Id: vib-sensor.c,v 1.1 2006/06/18 07:49:33 adamdunkels Exp $
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*/
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#include "contiki-esb.h"
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const struct sensors_sensor vib_sensor;
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static unsigned int vib;
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HWCONF_PIN(VIB, 1, 4);
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HWCONF_IRQ(VIB, 1, 4);
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/*---------------------------------------------------------------------------*/
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static int
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irq(void)
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{
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if(VIB_CHECK_IRQ()) {
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++vib;
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sensors_changed(&vib_sensor);
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void
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init(void)
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{
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vib = 0;
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VIB_SELECT();
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VIB_MAKE_INPUT();
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}
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/*---------------------------------------------------------------------------*/
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static void
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activate(void)
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{
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sensors_add_irq(&vib_sensor, VIB_IRQ_PORT());
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VIB_ENABLE_IRQ();
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}
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/*---------------------------------------------------------------------------*/
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static void
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deactivate(void)
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{
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VIB_DISABLE_IRQ();
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sensors_remove_irq(&vib_sensor, VIB_IRQ_PORT());
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}
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/*---------------------------------------------------------------------------*/
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static int
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active(void)
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{
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return VIB_IRQ_ENABLED();
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}
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/*---------------------------------------------------------------------------*/
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static unsigned int
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value(int type)
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{
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return vib;
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}
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/*---------------------------------------------------------------------------*/
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static int
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configure(int type, void *c)
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{
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void *
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status(int type)
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{
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return NULL;
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(vib_sensor, VIB_SENSOR,
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init, irq, activate, deactivate, active,
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value, configure, status);
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