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/Flattenable.h> 25 #include <utils/String8.h> 26 #include <utils/Timers.h> 27 28 #include <hardware/sensors.h> 29 30 #include <android/sensor.h> 31 32 // ---------------------------------------------------------------------------- 33 // Concrete types for the NDK 34 struct ASensor { }; 35 36 // ---------------------------------------------------------------------------- 37 namespace android { 38 // ---------------------------------------------------------------------------- 39 40 class Parcel; 41 42 // ---------------------------------------------------------------------------- 43 44 class Sensor : public ASensor, public LightFlattenable<Sensor> 45 { 46 public: 47 enum { 48 TYPE_ACCELEROMETER = ASENSOR_TYPE_ACCELEROMETER, 49 TYPE_MAGNETIC_FIELD = ASENSOR_TYPE_MAGNETIC_FIELD, 50 TYPE_GYROSCOPE = ASENSOR_TYPE_GYROSCOPE, 51 TYPE_LIGHT = ASENSOR_TYPE_LIGHT, 52 TYPE_PROXIMITY = ASENSOR_TYPE_PROXIMITY 53 }; 54 55 Sensor(); 56 Sensor(struct sensor_t const* hwSensor); 57 ~Sensor(); 58 59 const String8& getName() const; 60 const String8& getVendor() const; 61 int32_t getHandle() const; 62 int32_t getType() const; 63 float getMinValue() const; 64 float getMaxValue() const; 65 float getResolution() const; 66 float getPowerUsage() const; 67 int32_t getMinDelay() const; 68 nsecs_t getMinDelayNs() const; 69 int32_t getVersion() const; 70 71 // LightFlattenable protocol isFixedSize()72 inline bool isFixedSize() const { return false; } 73 size_t getSize() const; 74 status_t flatten(void* buffer) const; 75 status_t unflatten(void const* buffer, size_t size); 76 77 private: 78 String8 mName; 79 String8 mVendor; 80 int32_t mHandle; 81 int32_t mType; 82 float mMinValue; 83 float mMaxValue; 84 float mResolution; 85 float mPower; 86 int32_t mMinDelay; 87 int32_t mVersion; 88 }; 89 90 // ---------------------------------------------------------------------------- 91 }; // namespace android 92 93 #endif // ANDROID_GUI_SENSOR_H 94