osd-contiki/platform/cooja/dev/vib-sensor.c

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/*
* Copyright (c) 2006, 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.
*
* $Id: vib-sensor.c,v 1.1 2006/08/21 12:11:18 fros4943 Exp $
*/
#include "lib/sensors.h"
#include "dev/vib-sensor.h"
#include "lib/simEnvChange.h"
const struct simInterface vib_interface;
const struct sensors_sensor vib_sensor;
// COOJA variables
char simVibChanged;
char simVibIsActive;
char simVibValue = 0;
/*---------------------------------------------------------------------------*/
static void
init(void)
{
simVibIsActive = 1;
}
/*---------------------------------------------------------------------------*/
static int
irq(void)
{
return 0;
}
/*---------------------------------------------------------------------------*/
static void
activate(void)
{
simVibIsActive = 1;
}
/*---------------------------------------------------------------------------*/
static void
deactivate(void)
{
simVibIsActive = 0;
}
/*---------------------------------------------------------------------------*/
static int
active(void)
{
return simVibIsActive;
}
/*---------------------------------------------------------------------------*/
static unsigned int
value(int type)
{
return simVibValue;
}
/*---------------------------------------------------------------------------*/
static int
configure(int type, void *c)
{
return 0;
}
/*---------------------------------------------------------------------------*/
static void *
status(int type)
{
return NULL;
}
/*---------------------------------------------------------------------------*/
static void
doInterfaceActionsBeforeTick(void)
{
// Check if Vib value has changed
if (simVibIsActive && simVibChanged) {
simVibValue = !simVibValue;
sensors_changed(&vib_sensor);
simVibChanged = 0;
}
}
/*---------------------------------------------------------------------------*/
static void
doInterfaceActionsAfterTick(void)
{
}
/*---------------------------------------------------------------------------*/
SIM_INTERFACE(vib_interface,
doInterfaceActionsBeforeTick,
doInterfaceActionsAfterTick);
SENSORS_SENSOR(vib_sensor, VIB_SENSOR,
init, irq, activate, deactivate, active,
value, configure, status);