android13/hardware/interfaces/sensors/common/default/2.X/Sensor.h

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4.2 KiB
C++

/*
* Copyright (C) 2018 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.
*/
#ifndef ANDROID_HARDWARE_SENSORS_V2_X_SENSOR_H
#define ANDROID_HARDWARE_SENSORS_V2_X_SENSOR_H
#include <android/hardware/sensors/1.0/types.h>
#include <android/hardware/sensors/2.1/types.h>
#include <condition_variable>
#include <memory>
#include <mutex>
#include <thread>
#include <vector>
namespace android {
namespace hardware {
namespace sensors {
namespace V2_X {
namespace implementation {
static constexpr int32_t kDefaultMaxDelayUs = 10 * 1000 * 1000;
class ISensorsEventCallback {
public:
using Event = ::android::hardware::sensors::V2_1::Event;
virtual ~ISensorsEventCallback(){};
virtual void postEvents(const std::vector<Event>& events, bool wakeup) = 0;
};
class Sensor {
public:
using OperationMode = ::android::hardware::sensors::V1_0::OperationMode;
using Result = ::android::hardware::sensors::V1_0::Result;
using Event = ::android::hardware::sensors::V2_1::Event;
using EventPayload = ::android::hardware::sensors::V1_0::EventPayload;
using SensorInfo = ::android::hardware::sensors::V2_1::SensorInfo;
using SensorType = ::android::hardware::sensors::V2_1::SensorType;
Sensor(ISensorsEventCallback* callback);
virtual ~Sensor();
const SensorInfo& getSensorInfo() const;
void batch(int64_t samplingPeriodNs);
virtual void activate(bool enable);
Result flush();
void setOperationMode(OperationMode mode);
bool supportsDataInjection() const;
Result injectEvent(const Event& event);
protected:
void run();
virtual std::vector<Event> readEvents();
virtual void readEventPayload(EventPayload&) {}
static void startThread(Sensor* sensor);
bool isWakeUpSensor();
bool mIsEnabled;
int64_t mSamplingPeriodNs;
int64_t mLastSampleTimeNs;
SensorInfo mSensorInfo;
std::atomic_bool mStopThread;
std::condition_variable mWaitCV;
std::mutex mRunMutex;
std::thread mRunThread;
ISensorsEventCallback* mCallback;
OperationMode mMode;
};
class OnChangeSensor : public Sensor {
public:
OnChangeSensor(ISensorsEventCallback* callback);
virtual void activate(bool enable) override;
protected:
virtual std::vector<Event> readEvents() override;
protected:
Event mPreviousEvent;
bool mPreviousEventSet;
};
class AccelSensor : public Sensor {
public:
AccelSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
protected:
virtual void readEventPayload(EventPayload& payload) override;
};
class GyroSensor : public Sensor {
public:
GyroSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
};
class AmbientTempSensor : public OnChangeSensor {
public:
AmbientTempSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
};
class PressureSensor : public Sensor {
public:
PressureSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
protected:
virtual void readEventPayload(EventPayload& payload) override;
};
class MagnetometerSensor : public Sensor {
public:
MagnetometerSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
};
class LightSensor : public OnChangeSensor {
public:
LightSensor(int32_t sensorHandle, ISensorsEventCallback* callback);
};
class ProximitySensor : public OnChangeSensor {
public:
ProximitySensor(int32_t sensorHandle, ISensorsEventCallback* callback);
};
class RelativeHumiditySensor : public OnChangeSensor {
public:
RelativeHumiditySensor(int32_t sensorHandle, ISensorsEventCallback* callback);
};
} // namespace implementation
} // namespace V2_X
} // namespace sensors
} // namespace hardware
} // namespace android
#endif // ANDROID_HARDWARE_SENSORS_V2_X_SENSOR_H