sensorhal/sensors.h

/*
 * Copyright (C) 2015 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 SENSORS_H_

#define SENSORS_H_

#include <hardware/hardware.h>
#include <hardware/sensors.h>
#include <media/stagefright/foundation/ABase.h>

#include "hubconnection.h"

struct SensorContext {
    struct sensors_poll_device_1 device;

    explicit SensorContext(const struct hw_module_t *module);

    bool getHubAlive();

private:
    android::sp<android::HubConnection> mHubConnection;
    bool mHubAlive;

    int close();
    int activate(int handle, int enabled);
    int setDelay(int handle, int64_t delayNs);
    int poll(sensors_event_t *data, int count);

    int batch(int handle, int64_t sampling_period_ns,
              int64_t max_report_latency_ns);

    int flush(int handle);

    static int CloseWrapper(struct hw_device_t *dev);

    static int ActivateWrapper(
            struct sensors_poll_device_t *dev, int handle, int enabled);

    static int SetDelayWrapper(
            struct sensors_poll_device_t *dev, int handle, int64_t delayNs);

    static int PollWrapper(
            struct sensors_poll_device_t *dev, sensors_event_t *data, int count);

    static int BatchWrapper(
            struct sensors_poll_device_1 *dev,
            int handle,
            int flags,
            int64_t sampling_period_ns,
            int64_t max_report_latency_ns);

    static int FlushWrapper(struct sensors_poll_device_1 *dev, int handle);

    DISALLOW_EVIL_CONSTRUCTORS(SensorContext);
};

#endif  // SENSORS_H_