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_SENSOR_INTERFACE_H 18 #define ANDROID_SENSOR_INTERFACE_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <gui/Sensor.h> 24 25 #include "SensorDevice.h" 26 27 // --------------------------------------------------------------------------- 28 29 namespace android { 30 // --------------------------------------------------------------------------- 31 32 class SensorInterface { 33 public: 34 virtual ~SensorInterface(); 35 36 virtual bool process(sensors_event_t* outEvent, 37 const sensors_event_t& event) = 0; 38 39 virtual status_t activate(void* ident, bool enabled) = 0; 40 virtual status_t setDelay(void* ident, int handle, int64_t ns) = 0; 41 virtual Sensor getSensor() const = 0; 42 virtual bool isVirtual() const = 0; 43 }; 44 45 // --------------------------------------------------------------------------- 46 47 class HardwareSensor : public SensorInterface 48 { 49 SensorDevice& mSensorDevice; 50 Sensor mSensor; 51 52 public: 53 HardwareSensor(const sensor_t& sensor); 54 55 virtual ~HardwareSensor(); 56 57 virtual bool process(sensors_event_t* outEvent, 58 const sensors_event_t& event); 59 60 virtual status_t activate(void* ident, bool enabled); 61 virtual status_t setDelay(void* ident, int handle, int64_t ns); 62 virtual Sensor getSensor() const; 63 virtual bool isVirtual() const { return false; } 64 }; 65 66 67 // --------------------------------------------------------------------------- 68 }; // namespace android 69 70 #endif // ANDROID_SENSOR_INTERFACE_H 71