1 /* 2 * Copyright (C) 2018 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_SENSORS_HIDL_ENVIRONMENT_V2_0_H 18 #define ANDROID_SENSORS_HIDL_ENVIRONMENT_V2_0_H 19 20 #include "sensors-vts-utils/SensorsHidlEnvironmentBase.h" 21 22 #include <android/hardware/sensors/1.0/types.h> 23 #include <android/hardware/sensors/2.0/ISensors.h> 24 #include <fmq/MessageQueue.h> 25 #include <utils/StrongPointer.h> 26 27 #include <array> 28 #include <atomic> 29 #include <memory> 30 31 using ::android::sp; 32 using ::android::hardware::MessageQueue; 33 34 class SensorsHidlTest; 35 class SensorsHidlEnvironmentV2_0 : public SensorsHidlEnvironmentBase { 36 public: 37 using Event = ::android::hardware::sensors::V1_0::Event; 38 // get the test environment singleton Instance()39 static SensorsHidlEnvironmentV2_0* Instance() { 40 static SensorsHidlEnvironmentV2_0* instance = new SensorsHidlEnvironmentV2_0(); 41 return instance; 42 } 43 registerTestServices()44 virtual void registerTestServices() override { 45 registerTestService<android::hardware::sensors::V2_0::ISensors>(); 46 } 47 48 virtual void HidlTearDown() override; 49 50 protected: 51 friend SensorsHidlTest; 52 SensorsHidlEnvironmentV2_0()53 SensorsHidlEnvironmentV2_0() : mEventQueueFlag(nullptr) {} 54 55 /** 56 * Resets the HAL with new FMQs and a new Event Flag 57 * 58 * @return bool true if successful, false otherwise 59 */ 60 bool resetHal() override; 61 62 /** 63 * Starts the polling thread that reads sensor events from the Event FMQ 64 */ 65 void startPollingThread() override; 66 67 /** 68 * Thread responsible for calling functions to read Event FMQ 69 * 70 * @param env SensorEnvironment to being polling for events on 71 */ 72 static void pollingThread(SensorsHidlEnvironmentV2_0* env); 73 74 /** 75 * Reads and saves sensor events from the Event FMQ 76 */ 77 void readEvents(); 78 79 GTEST_DISALLOW_COPY_AND_ASSIGN_(SensorsHidlEnvironmentV2_0); 80 81 /** 82 * Pointer to the Sensors HAL Interface that allows the test to call HAL functions. 83 */ 84 sp<android::hardware::sensors::V2_0::ISensors> mSensors; 85 86 /** 87 * Type used to simplify the creation of the Event FMQ 88 */ 89 typedef MessageQueue<Event, ::android::hardware::kSynchronizedReadWrite> EventMessageQueue; 90 91 /** 92 * Type used to simplify the creation of the Wake Lock FMQ 93 */ 94 typedef MessageQueue<uint32_t, ::android::hardware::kSynchronizedReadWrite> WakeLockQueue; 95 96 /** 97 * The Event FMQ where the test framework is able to read sensor events that the Sensors HAL 98 * has written. 99 */ 100 std::unique_ptr<EventMessageQueue> mEventQueue; 101 102 /** 103 * The Wake Lock FMQ is used by the test to notify the Sensors HAL whenever it has processed 104 * WAKE_UP sensor events. 105 */ 106 std::unique_ptr<WakeLockQueue> mWakeLockQueue; 107 108 /** 109 * The Event Queue Flag notifies the test framework when sensor events have been written to the 110 * Event FMQ by the Sensors HAL. 111 */ 112 ::android::hardware::EventFlag* mEventQueueFlag; 113 114 /** 115 * The maximum number of sensor events that can be read from the Event FMQ at one time. 116 */ 117 static constexpr size_t MAX_RECEIVE_BUFFER_EVENT_COUNT = 128; 118 119 /** 120 * An array that is used to store sensor events read from the Event FMQ 121 */ 122 std::array<Event, MAX_RECEIVE_BUFFER_EVENT_COUNT> mEventBuffer; 123 }; 124 125 #endif // ANDROID_SENSORS_HIDL_ENVIRONMENT_V2_0_H 126