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/*
* Copyright (C) 2015 Intel Corporation
*
* 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.
*/
#ifndef SENSORS_HAL_HPP
#define SENSORS_HAL_HPP
#include <hardware/sensors.h>
#include "Sensor.hpp"
#include "SensorDescriptionFactory.hpp"
/**
* SensorContext represents the HAL entry class
*
* The SensorContext class is responsible for initializing
* a sensors_poll_device_1_t data structure and exposing the
* sensors.h API methods.
*/
class SensorContext {
public:
sensors_poll_device_1_t device;
/**
* SensorContext constructor
*/
SensorContext(const hw_module_t* module);
/**
* SensorContext destructor
*/
~SensorContext();
private:
int activate(int handle, int enabled);
int setDelay(int handle, int64_t ns);
int pollEvents(sensors_event_t* data, int count);
int batch(int handle, int flags, int64_t period_ns, int64_t timeout);
int flush(int handle);
// The wrapper pass through to the specific instantiation of
// the SensorContext.
static int CloseWrapper(hw_device_t* dev);
static int ActivateWrapper(sensors_poll_device_t* dev, int handle,
int enabled);
static int SetDelayWrapper(sensors_poll_device_t* dev, int handle,
int64_t ns);
static int PollEventsWrapper(sensors_poll_device_t* dev,
sensors_event_t* data, int count);
static int BatchWrapper(sensors_poll_device_1_t* dev, int handle, int flags,
int64_t period_ns, int64_t timeout);
static int FlushWrapper(sensors_poll_device_1_t* dev, int handle);
Sensor * sensors[Sensor::Type::kNumTypes];
};
#endif // SENSORS_HAL_HPP
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