1 /*
2 * Copyright (C) 2020 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 #include "SensorsV2_1.h"
18
19 #include "Sensor.h"
20
21 namespace android {
22 namespace hardware {
23 namespace sensors {
24 namespace V2_1 {
25 namespace implementation {
26
27 using V2_X::implementation::ISensorsEventCallback;
28 using V2_X::implementation::OnChangeSensor;
29
30 class HingeAngleSensor : public OnChangeSensor {
31 public:
HingeAngleSensor(int32_t sensorHandle,ISensorsEventCallback * callback)32 HingeAngleSensor(int32_t sensorHandle, ISensorsEventCallback* callback)
33 : OnChangeSensor(callback) {
34 mSensorInfo.sensorHandle = sensorHandle;
35 mSensorInfo.name = "Hinge Angle Sensor";
36 mSensorInfo.vendor = "Vendor String";
37 mSensorInfo.version = 1;
38 mSensorInfo.type = SensorType::HINGE_ANGLE;
39 mSensorInfo.typeAsString = "";
40 mSensorInfo.maxRange = 360.0f;
41 mSensorInfo.resolution = 1.0f;
42 mSensorInfo.power = 0.001f;
43 mSensorInfo.minDelay = 40 * 1000; // microseconds
44 mSensorInfo.maxDelay = V2_X::implementation::kDefaultMaxDelayUs;
45 mSensorInfo.fifoReservedEventCount = 0;
46 mSensorInfo.fifoMaxEventCount = 0;
47 mSensorInfo.requiredPermission = "";
48 mSensorInfo.flags = static_cast<uint32_t>(V1_0::SensorFlagBits::ON_CHANGE_MODE |
49 V1_0::SensorFlagBits::WAKE_UP |
50 V1_0::SensorFlagBits::DATA_INJECTION);
51 }
52 };
53
SensorsV2_1()54 SensorsV2_1::SensorsV2_1() {
55 AddSensor<HingeAngleSensor>();
56 }
57
58 // Methods from ::android::hardware::sensors::V2_1::ISensors follow.
getSensorsList_2_1(ISensors::getSensorsList_2_1_cb _hidl_cb)59 Return<void> SensorsV2_1::getSensorsList_2_1(ISensors::getSensorsList_2_1_cb _hidl_cb) {
60 std::vector<SensorInfo> sensors;
61 for (const auto& sensor : mSensors) {
62 sensors.push_back(sensor.second->getSensorInfo());
63 }
64
65 // Call the HIDL callback with the SensorInfo
66 _hidl_cb(sensors);
67
68 return Void();
69 }
70
initialize_2_1(const::android::hardware::MQDescriptorSync<V2_1::Event> & eventQueueDescriptor,const::android::hardware::MQDescriptorSync<uint32_t> & wakeLockDescriptor,const sp<V2_1::ISensorsCallback> & sensorsCallback)71 Return<Result> SensorsV2_1::initialize_2_1(
72 const ::android::hardware::MQDescriptorSync<V2_1::Event>& eventQueueDescriptor,
73 const ::android::hardware::MQDescriptorSync<uint32_t>& wakeLockDescriptor,
74 const sp<V2_1::ISensorsCallback>& sensorsCallback) {
75 auto eventQueue = std::make_unique<MessageQueue<V2_1::Event, kSynchronizedReadWrite>>(
76 eventQueueDescriptor, true /* resetPointers */);
77 std::unique_ptr<EventMessageQueueWrapperBase> wrapper =
78 std::make_unique<EventMessageQueueWrapperV2_1>(eventQueue);
79 mCallbackWrapper = new ISensorsCallbackWrapper(sensorsCallback);
80 return initializeBase(wrapper, wakeLockDescriptor, mCallbackWrapper);
81 }
82
injectSensorData_2_1(const V2_1::Event & event)83 Return<Result> SensorsV2_1::injectSensorData_2_1(const V2_1::Event& event) {
84 return injectSensorData(convertToOldEvent(event));
85 }
86
87 } // namespace implementation
88 } // namespace V2_1
89 } // namespace sensors
90 } // namespace hardware
91 } // namespace android