Sensor.h revision 589ce85ee4174829cfedce91b6b2509d2a4002eb
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 33struct ASensor { }; 34 35// ---------------------------------------------------------------------------- 36namespace android { 37// ---------------------------------------------------------------------------- 38 39class Parcel; 40 41// ---------------------------------------------------------------------------- 42 43class Sensor : public ASensor, public Flattenable 44{ 45public: 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 virtual ~Sensor(); 56 57 const String8& getName() const; 58 const String8& getVendor() const; 59 int32_t getHandle() const; 60 int32_t getType() const; 61 float getMinValue() const; 62 float getMaxValue() const; 63 float getResolution() const; 64 float getPowerUsage() const; 65 66 // Flattenable interface 67 virtual size_t getFlattenedSize() const; 68 virtual size_t getFdCount() const; 69 virtual status_t flatten(void* buffer, size_t size, 70 int fds[], size_t count) const; 71 virtual status_t unflatten(void const* buffer, size_t size, 72 int fds[], size_t count); 73 74private: 75 String8 mName; 76 String8 mVendor; 77 int32_t mHandle; 78 int32_t mType; 79 float mMinValue; 80 float mMaxValue; 81 float mResolution; 82 float mPower; 83}; 84 85// ---------------------------------------------------------------------------- 86}; // namespace android 87 88#endif // ANDROID_GUI_SENSOR_H 89