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/**************************************************************************
* @licence app begin@
*
* SPDX-License-Identifier: MPL-2.0
*
* \ingroup SensorsService
* \author Marco Residori <marco.residori@xse.de>
*
* \copyright Copyright (C) 2013, XS Embedded GmbH
*
* \license
* This Source Code Form is subject to the terms of the
* Mozilla Public License, v. 2.0. If a copy of the MPL was not distributed with
* this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* @licence end@
**************************************************************************/
#include "globals.h"
#include "acceleration.h"
#include "sns-meta-data.h"
static pthread_mutex_t mutexCb = PTHREAD_MUTEX_INITIALIZER; //protects the callbacks
static pthread_mutex_t mutexData = PTHREAD_MUTEX_INITIALIZER; //protects the data
static volatile AccelerationCallback cbAcceleration = 0;
static TAccelerationData gAccelerationData = {0};
TAccelerationConfiguration gAccelerationConfiguration;
static TSensorStatus gStatus = {0};
static volatile SensorStatusCallback cbStatus = 0;
bool iAccelerationInit()
{
pthread_mutex_lock(&mutexCb);
cbAcceleration = 0;
pthread_mutex_unlock(&mutexCb);
pthread_mutex_lock(&mutexData);
gAccelerationData.validityBits = 0;
//example accelerometer configuration for a 3-axis accelerometer
gAccelerationConfiguration.dist2RefPointX = 0;
gAccelerationConfiguration.dist2RefPointY = 0;
gAccelerationConfiguration.dist2RefPointZ = 0;
gAccelerationConfiguration.angleYaw = 0;
gAccelerationConfiguration.anglePitch = 0;
gAccelerationConfiguration.angleRoll = 0;
gAccelerationConfiguration.sigmaX = 0;
gAccelerationConfiguration.sigmaY = 0;
gAccelerationConfiguration.sigmaZ = 0;
gAccelerationConfiguration.typeBits =
ACCELERATION_X_PROVIDED |
ACCELERATION_Y_PROVIDED |
ACCELERATION_Z_PROVIDED;
gAccelerationConfiguration.validityBits =
ACCELERATION_CONFIG_ANGLEYAW_VALID |
ACCELERATION_CONFIG_ANGLEPITCH_VALID |
ACCELERATION_CONFIG_ANGLEROLL_VALID |
ACCELERATION_CONFIG_TYPE_VALID;
pthread_mutex_unlock(&mutexData);
return true;
}
bool iAccelerationDestroy()
{
pthread_mutex_lock(&mutexCb);
cbAcceleration = 0;
pthread_mutex_unlock(&mutexCb);
return true;
}
bool snsAccelerationGetAccelerationData(TAccelerationData * accelerationData)
{
bool retval = false;
if(accelerationData)
{
pthread_mutex_lock(&mutexData);
*accelerationData = gAccelerationData;
pthread_mutex_unlock(&mutexData);
retval = true;
}
return retval;
}
bool snsAccelerationRegisterCallback(AccelerationCallback callback)
{
bool retval = false;
pthread_mutex_lock(&mutexCb);
//only if valid callback and not already registered
if(callback && !cbAcceleration)
{
cbAcceleration = callback;
retval = true;
}
pthread_mutex_unlock(&mutexCb);
return retval;
}
bool snsAccelerationDeregisterCallback(AccelerationCallback callback)
{
bool retval = false;
pthread_mutex_lock(&mutexCb);
if((cbAcceleration == callback) && callback)
{
cbAcceleration = 0;
retval = true;
}
pthread_mutex_unlock(&mutexCb);
return retval;
}
bool snsAccelerationGetMetaData(TSensorMetaData *data)
{
bool retval = false;
if(data)
{
pthread_mutex_lock(&mutexData);
*data = gSensorsMetaData[3];
pthread_mutex_unlock(&mutexData);
retval = true;
}
return retval;
}
bool snsAccelerationGetAccelerationConfiguration(TAccelerationConfiguration* config)
{
bool retval = false;
if(config)
{
pthread_mutex_lock(&mutexData);
*config = gAccelerationConfiguration;
pthread_mutex_unlock(&mutexData);
retval = true;
}
return retval;
}
void updateAccelerationData(const TAccelerationData accelerationData[], uint16_t numElements)
{
if (accelerationData != NULL && numElements > 0)
{
pthread_mutex_lock(&mutexData);
gAccelerationData = accelerationData[numElements-1];
pthread_mutex_unlock(&mutexData);
pthread_mutex_lock(&mutexCb);
if (cbAcceleration)
{
cbAcceleration(accelerationData, numElements);
}
pthread_mutex_unlock(&mutexCb);
}
}
bool snsAccelerationGetStatus(TSensorStatus* status){
bool retval = false;
if(status)
{
pthread_mutex_lock(&mutexData);
*status = gStatus;
pthread_mutex_unlock(&mutexData);
retval = true;
}
return retval;
}
bool snsAccelerationRegisterStatusCallback(SensorStatusCallback callback)
{
bool retval = false;
pthread_mutex_lock(&mutexCb);
//only if valid callback and not already registered
if(callback && !cbStatus)
{
cbStatus = callback;
retval = true;
}
pthread_mutex_unlock(&mutexCb);
return retval;
}
bool snsAccelerationDeregisterStatusCallback(SensorStatusCallback callback)
{
bool retval = false;
pthread_mutex_lock(&mutexCb);
if((cbStatus == callback) && callback)
{
cbStatus = 0;
retval = true;
}
pthread_mutex_unlock(&mutexCb);
return retval;
}
void updateAccelerationStatus(const TSensorStatus* status)
{
if (status)
{
pthread_mutex_lock(&mutexData);
gStatus = *status;
pthread_mutex_unlock(&mutexData);
pthread_mutex_lock(&mutexCb);
if (cbStatus)
{
cbStatus(status);
}
pthread_mutex_unlock(&mutexCb);
}
}
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