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_GUI_SENSOR_H 18 #define ANDROID_GUI_SENSOR_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/Errors.h> 24 #include <utils/String8.h> 25 #include <utils/Flattenable.h> 26 27 #include <hardware/sensors.h> 28 29 #include <android/sensor.h> 30 31 // ---------------------------------------------------------------------------- 32 // Concrete types for the NDK 33 struct ASensor { }; 34 35 // ---------------------------------------------------------------------------- 36 namespace android { 37 // ---------------------------------------------------------------------------- 38 39 class Parcel; 40 41 // ---------------------------------------------------------------------------- 42 43 class Sensor : public ASensor, public Flattenable 44 { 45 public: 46 enum { 47 TYPE_ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER, 48 TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD, 49 TYPE_GYROSCOPE = ASENSOR_TYPE_GYROSCOPE, 50 TYPE_LIGHT = ASENSOR_TYPE_LIGHT, 51 TYPE_PROXIMITY = ASENSOR_TYPE_PROXIMITY 52 }; 53 54 Sensor(); 55 Sensor(struct sensor_t const* hwSensor); 56 virtual ~Sensor(); 57 58 const String8& getName() const; 59 const String8& getVendor() const; 60 int32_t getHandle() const; 61 int32_t getType() const; 62 float getMinValue() const; 63 float getMaxValue() const; 64 float getResolution() const; 65 float getPowerUsage() const; 66 int32_t getMinDelay() const; 67 68 // Flattenable interface 69 virtual size_t getFlattenedSize() const; 70 virtual size_t getFdCount() const; 71 virtual status_t flatten(void* buffer, size_t size, 72 int fds[], size_t count) const; 73 virtual status_t unflatten(void const* buffer, size_t size, 74 int fds[], size_t count); 75 76 private: 77 String8 mName; 78 String8 mVendor; 79 int32_t mHandle; 80 int32_t mType; 81 float mMinValue; 82 float mMaxValue; 83 float mResolution; 84 float mPower; 85 int32_t mMinDelay; 86 }; 87 88 // ---------------------------------------------------------------------------- 89 }; // namespace android 90 91 #endif // ANDROID_GUI_SENSOR_H 92