1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_ROTATION_VECTOR_SENSOR_H 18 #define ANDROID_ROTATION_VECTOR_SENSOR_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <gui/Sensor.h> 24 25 #include "SensorDevice.h" 26 #include "SensorInterface.h" 27 #include "SecondOrderLowPassFilter.h" 28 29 // --------------------------------------------------------------------------- 30 namespace android { 31 // --------------------------------------------------------------------------- 32 33 class RotationVectorSensor : public SensorInterface { 34 SensorDevice& mSensorDevice; 35 Sensor mAcc; 36 Sensor mMag; 37 bool mEnabled; 38 float mMagData[3]; 39 double mAccTime; 40 double mMagTime; 41 SecondOrderLowPassFilter mALowPass; 42 BiquadFilter mAX, mAY, mAZ; 43 SecondOrderLowPassFilter mMLowPass; 44 BiquadFilter mMX, mMY, mMZ; 45 46 public: 47 RotationVectorSensor(sensor_t const* list, size_t count); 48 virtual bool process(sensors_event_t* outEvent, 49 const sensors_event_t& event); 50 virtual bool isEnabled() const; 51 virtual status_t activate(void* ident, bool enabled); 52 virtual status_t setDelay(void* ident, int handle, int64_t ns); 53 virtual Sensor getSensor() const; 54 virtual bool isVirtual() const { return true; } 55 }; 56 57 // --------------------------------------------------------------------------- 58 }; // namespace android 59 60 #endif // ANDROID_ROTATION_VECTOR_SENSOR_H 61
