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 struct uuid_t{ 56 union { 57 uint8_t b[16]; 58 int64_t i64[2]; 59 }; uuid_tuuid_t60 uuid_t(const uint8_t (&uuid)[16]) { memcpy(b, uuid, sizeof(b));} uuid_tuuid_t61 uuid_t() : b{0} {} 62 }; 63 64 Sensor(const char * name = ""); 65 Sensor(struct sensor_t const* hwSensor, int halVersion = 0); 66 Sensor(struct sensor_t const& hwSensor, const uuid_t& uuid, int halVersion = 0); 67 ~Sensor(); 68 69 const String8& getName() const; 70 const String8& getVendor() const; 71 int32_t getHandle() const; 72 int32_t getType() const; 73 float getMinValue() const; 74 float getMaxValue() const; 75 float getResolution() const; 76 float getPowerUsage() const; 77 int32_t getMinDelay() const; 78 nsecs_t getMinDelayNs() const; 79 int32_t getVersion() const; 80 uint32_t getFifoReservedEventCount() const; 81 uint32_t getFifoMaxEventCount() const; 82 const String8& getStringType() const; 83 const String8& getRequiredPermission() const; 84 bool isRequiredPermissionRuntime() const; 85 int32_t getRequiredAppOp() const; 86 int32_t getMaxDelay() const; 87 uint32_t getFlags() const; 88 bool isWakeUpSensor() const; 89 bool isDynamicSensor() const; 90 bool hasAdditionalInfo() const; 91 int32_t getReportingMode() const; 92 93 // Note that after setId() has been called, getUuid() no longer 94 // returns the UUID. 95 // TODO(b/29547335): Remove getUuid(), add getUuidIndex(), and 96 // make sure setId() doesn't change the UuidIndex. 97 const uuid_t& getUuid() const; 98 int32_t getId() const; 99 void setId(int32_t id); 100 101 // LightFlattenable protocol isFixedSize()102 inline bool isFixedSize() const { return false; } 103 size_t getFlattenedSize() const; 104 status_t flatten(void* buffer, size_t size) const; 105 status_t unflatten(void const* buffer, size_t size); 106 107 private: 108 String8 mName; 109 String8 mVendor; 110 int32_t mHandle; 111 int32_t mType; 112 float mMinValue; 113 float mMaxValue; 114 float mResolution; 115 float mPower; 116 int32_t mMinDelay; 117 int32_t mVersion; 118 uint32_t mFifoReservedEventCount; 119 uint32_t mFifoMaxEventCount; 120 String8 mStringType; 121 String8 mRequiredPermission; 122 bool mRequiredPermissionRuntime = false; 123 int32_t mRequiredAppOp; 124 int32_t mMaxDelay; 125 uint32_t mFlags; 126 // TODO(b/29547335): Get rid of this field and replace with an index. 127 // The index will be into a separate global vector of UUIDs. 128 // Also add an mId field (and change flatten/unflatten appropriately). 129 uuid_t mUuid; 130 static void flattenString8(void*& buffer, size_t& size, const String8& string8); 131 static bool unflattenString8(void const*& buffer, size_t& size, String8& outputString8); 132 }; 133 134 // ---------------------------------------------------------------------------- 135 }; // namespace android 136 137 #endif // ANDROID_GUI_SENSOR_H 138