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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "BaseSensorObject.h"
#include "SensorEventCallback.h"
#include "Utils.h"
#include <cstring>
namespace android {
namespace SensorHalExt {
BaseSensorObject::BaseSensorObject() : mCallback(nullptr) {
}
bool BaseSensorObject::setEventCallback(SensorEventCallback* callback) {
if (mCallback != nullptr) {
return false;
}
mCallback = callback;
return true;
}
void BaseSensorObject::getUuid(uint8_t* uuid) const {
// default uuid denoting uuid feature is not supported on this sensor.
memset(uuid, 0, 16);
}
int BaseSensorObject::flush() {
static const sensors_event_t event = {
.type = SENSOR_TYPE_META_DATA,
.meta_data.what = META_DATA_FLUSH_COMPLETE,
.timestamp = TIMESTAMP_AUTO_FILL // timestamp will be filled at dispatcher
};
generateEvent(event);
return 0;
}
void BaseSensorObject::generateEvent(const sensors_event_t &e) {
if (mCallback) {
mCallback->submitEvent(SP_THIS, e);
}
}
} // namespace SensorHalExt
} // namespace android
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