replicant-frameworks_native/include/gui/Sensor.h
Mathias Agopian b62013f6aa 9-axis sensor fusion with Kalman filter
Add support for 9-axis gravity and linear-acceleration sensors
virtual orientation sensor using 9-axis fusion

Change-Id: I6717539373fce781c10e97b6fa59f68a831a592f
2011-05-27 17:04:55 -07:00

96 lines
2.7 KiB
C++

/*
* Copyright (C) 2010 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_GUI_SENSOR_H
#define ANDROID_GUI_SENSOR_H
#include <stdint.h>
#include <sys/types.h>
#include <utils/Errors.h>
#include <utils/Flattenable.h>
#include <utils/String8.h>
#include <utils/Timers.h>
#include <hardware/sensors.h>
#include <android/sensor.h>
// ----------------------------------------------------------------------------
// Concrete types for the NDK
struct ASensor { };
// ----------------------------------------------------------------------------
namespace android {
// ----------------------------------------------------------------------------
class Parcel;
// ----------------------------------------------------------------------------
class Sensor : public ASensor, public Flattenable
{
public:
enum {
TYPE_ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER,
TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD,
TYPE_GYROSCOPE = ASENSOR_TYPE_GYROSCOPE,
TYPE_LIGHT = ASENSOR_TYPE_LIGHT,
TYPE_PROXIMITY = ASENSOR_TYPE_PROXIMITY
};
Sensor();
Sensor(struct sensor_t const* hwSensor);
virtual ~Sensor();
const String8& getName() const;
const String8& getVendor() const;
int32_t getHandle() const;
int32_t getType() const;
float getMinValue() const;
float getMaxValue() const;
float getResolution() const;
float getPowerUsage() const;
int32_t getMinDelay() const;
nsecs_t getMinDelayNs() const;
int32_t getVersion() const;
// Flattenable interface
virtual size_t getFlattenedSize() const;
virtual size_t getFdCount() const;
virtual status_t flatten(void* buffer, size_t size,
int fds[], size_t count) const;
virtual status_t unflatten(void const* buffer, size_t size,
int fds[], size_t count);
private:
String8 mName;
String8 mVendor;
int32_t mHandle;
int32_t mType;
float mMinValue;
float mMaxValue;
float mResolution;
float mPower;
int32_t mMinDelay;
int32_t mVersion;
};
// ----------------------------------------------------------------------------
}; // namespace android
#endif // ANDROID_GUI_SENSOR_H