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/*
* Copyright (C) 2021 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_AIDL_SENSOR_HAL_WRAPPER_H
#define ANDROID_AIDL_SENSOR_HAL_WRAPPER_H
#include "ISensorHalWrapper.h"
#include <aidl/android/hardware/sensors/ISensors.h>
#include <fmq/AidlMessageQueue.h>
#include <sensor/SensorEventQueue.h>
namespace android {
class AidlSensorHalWrapper : public ISensorHalWrapper {
public:
AidlSensorHalWrapper();
~AidlSensorHalWrapper() override {
if (mEventQueueFlag != nullptr) {
::android::hardware::EventFlag::deleteEventFlag(&mEventQueueFlag);
mEventQueueFlag = nullptr;
}
if (mWakeLockQueueFlag != nullptr) {
::android::hardware::EventFlag::deleteEventFlag(&mWakeLockQueueFlag);
mWakeLockQueueFlag = nullptr;
}
}
virtual bool connect(SensorDeviceCallback *callback) override;
virtual void prepareForReconnect() override;
virtual bool supportsPolling() override;
virtual bool supportsMessageQueues() override;
virtual ssize_t poll(sensors_event_t *buffer, size_t count) override;
virtual ssize_t pollFmq(sensors_event_t *buffer, size_t count) override;
virtual std::vector<sensor_t> getSensorsList() override;
virtual status_t setOperationMode(SensorService::Mode mode) override;
virtual status_t activate(int32_t sensorHandle, bool enabled) override;
virtual status_t batch(int32_t sensorHandle, int64_t samplingPeriodNs,
int64_t maxReportLatencyNs) override;
virtual status_t flush(int32_t sensorHandle) override;
virtual status_t injectSensorData(const sensors_event_t *event) override;
virtual status_t registerDirectChannel(const sensors_direct_mem_t *memory,
int32_t *channelHandle) override;
virtual status_t unregisterDirectChannel(int32_t channelHandle) override;
virtual status_t configureDirectChannel(int32_t sensorHandle, int32_t channelHandle,
const struct sensors_direct_cfg_t *config) override;
virtual void writeWakeLockHandled(uint32_t count) override;
private:
std::shared_ptr<aidl::android::hardware::sensors::ISensors> mSensors;
std::shared_ptr<::aidl::android::hardware::sensors::ISensorsCallback> mCallback;
std::unique_ptr<::android::AidlMessageQueue<::aidl::android::hardware::sensors::Event,
SynchronizedReadWrite>>
mEventQueue;
std::unique_ptr<::android::AidlMessageQueue<int, SynchronizedReadWrite>> mWakeLockQueue;
::android::hardware::EventFlag *mEventQueueFlag;
::android::hardware::EventFlag *mWakeLockQueueFlag;
SensorDeviceCallback *mSensorDeviceCallback;
std::array<::aidl::android::hardware::sensors::Event,
::android::SensorEventQueue::MAX_RECEIVE_BUFFER_EVENT_COUNT>
mEventBuffer;
ndk::ScopedAIBinder_DeathRecipient mDeathRecipient;
};
} // namespace android
#endif // ANDROID_AIDL_SENSOR_HAL_WRAPPER_H
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