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Diffstat (limited to 'src/sensors-service/acceleration.c')
| -rw-r--r-- | src/sensors-service/acceleration.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/sensors-service/acceleration.c b/src/sensors-service/acceleration.c new file mode 100644 index 0000000..bbb2bcc --- /dev/null +++ b/src/sensors-service/acceleration.c @@ -0,0 +1,220 @@ +/************************************************************************** +* @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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