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Commit 133887e6 authored by Peng Xu's avatar Peng Xu Committed by android-build-merger
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Merge "Define typical sensor sample rate in native code" into nyc-dev am: a84b43c9 

am: f6fce6b9

* commit 'f6fce6b9':
  Define typical sensor sample rate in native code
parents 6a506441 f6fce6b9

include/gui/SensorEventQueue.h

+13 −0
Original line number Diff line number Diff line
@@ -53,6 +53,18 @@ public: 


    enum { MAX_RECEIVE_BUFFER_EVENT_COUNT = 256 };



    /**

     * Typical sensor delay (sample period) in microseconds.

     */

    // Fastest sampling, system will bound it to minDelay

    static constexpr int32_t SENSOR_DELAY_FASTEST = 0;

    // Typical sample period for game, 50Hz;

    static constexpr int32_t SENSOR_DELAY_GAME = 20000;

    // Typical sample period for UI, 15Hz

    static constexpr int32_t SENSOR_DELAY_UI = 66667;

    // Default sensor sample period

    static constexpr int32_t SENSOR_DELAY_NORMAL = 200000;



    SensorEventQueue(const sp<ISensorEventConnection>& connection);

    virtual ~SensorEventQueue();

    virtual void onFirstRef();
@@ -68,6 +80,7 @@ public: 
    status_t wake() const;



    status_t enableSensor(Sensor const* sensor) const;

    status_t enableSensor(Sensor const* sensor, int32_t samplingPeriodUs) const;

    status_t disableSensor(Sensor const* sensor) const;

    status_t setEventRate(Sensor const* sensor, nsecs_t ns) const;

libs/gui/SensorEventQueue.cpp

+7 −2
Original line number Diff line number Diff line
@@ -125,11 +125,16 @@ status_t SensorEventQueue::wake() const 
}



status_t SensorEventQueue::enableSensor(Sensor const* sensor) const {

    return mSensorEventConnection->enableDisable(sensor->getHandle(), true, us2ns(200000), 0, false);

    return enableSensor(sensor, SENSOR_DELAY_NORMAL);

}



status_t SensorEventQueue::enableSensor(Sensor const* sensor, int32_t samplingPeriodUs) const {

    return mSensorEventConnection->enableDisable(sensor->getHandle(), true,

                                                 us2ns(samplingPeriodUs), 0, 0);

}



status_t SensorEventQueue::disableSensor(Sensor const* sensor) const {

    return mSensorEventConnection->enableDisable(sensor->getHandle(), false, 0, 0, false);

    return mSensorEventConnection->enableDisable(sensor->getHandle(), false, 0, 0, 0);

}



status_t SensorEventQueue::enableSensor(int32_t handle, int32_t samplingPeriodUs,