120 lines
4.2 KiB
C
120 lines
4.2 KiB
C
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/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_SENSORS_V2_0_SENSORS_SUBHAL_H
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#define ANDROID_HARDWARE_SENSORS_V2_0_SENSORS_SUBHAL_H
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#include <vector>
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#include "Sensor.h"
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#include "SubHal.h"
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using ::android::hardware::sensors::V1_0::SensorType;
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namespace android {
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namespace hardware {
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namespace sensors {
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namespace V2_0 {
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namespace subhal {
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namespace implementation {
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using ::android::hardware::sensors::V1_0::OperationMode;
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using ::android::hardware::sensors::V1_0::Result;
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using ::android::hardware::sensors::V2_0::implementation::IHalProxyCallback;
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using ::android::hardware::sensors::V2_0::subhal::implementation::ISensorsEventCallback;
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using ::sensor::hal::configuration::V1_0::Configuration;
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/**
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* Implementation of a ISensorsSubHal that can be used as a reference HAL implementation of sensors
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* multihal 2.0. See the README file for more details.
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*/
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class SensorsSubHal : public ISensorsSubHal, public ISensorsEventCallback {
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using Event = ::android::hardware::sensors::V1_0::Event;
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using RateLevel = ::android::hardware::sensors::V1_0::RateLevel;
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using SharedMemInfo = ::android::hardware::sensors::V1_0::SharedMemInfo;
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public:
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SensorsSubHal();
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// Methods from ::android::hardware::sensors::V2_0::ISensors follow.
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Return<void> getSensorsList(getSensorsList_cb _hidl_cb) override;
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Return<Result> setOperationMode(OperationMode mode) override;
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OperationMode getOperationMode() const { return mCurrentOperationMode; }
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Return<Result> activate(int32_t sensorHandle, bool enabled) override;
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Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
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int64_t maxReportLatencyNs) override;
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Return<Result> flush(int32_t sensorHandle) override;
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Return<Result> injectSensorData(const Event& event) override;
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Return<void> registerDirectChannel(const SharedMemInfo& mem,
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registerDirectChannel_cb _hidl_cb) override;
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Return<Result> unregisterDirectChannel(int32_t channelHandle) override;
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Return<void> configDirectReport(int32_t sensorHandle, int32_t channelHandle, RateLevel rate,
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configDirectReport_cb _hidl_cb) override;
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Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& args) override;
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// Methods from ::android::hardware::sensors::V2_0::implementation::ISensorsSubHal follow.
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const std::string getName() override { return "Google-IIO-SensorsSubhal"; }
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Return<Result> initialize(const sp<IHalProxyCallback>& halProxyCallback) override;
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// Method from ISensorsEventCallback.
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void postEvents(const std::vector<Event>& events, bool wakeup) override;
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protected:
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void AddSensor(const struct iio_device_data& iio_data,
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const std::optional<std::vector<Configuration>>& config);
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/**
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* A map of the available sensors
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*/
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std::map<int32_t, std::unique_ptr<SensorBase>> mSensors;
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/**
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* Callback used to communicate to the HalProxy when dynamic sensors are connected /
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* disconnected, sensor events need to be sent to the framework, and when a wakelock should be
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* acquired.
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*/
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sp<IHalProxyCallback> mCallback;
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private:
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/**
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* The current operation mode of the multihal framework. Ensures that all subhals are set to
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* the same operation mode.
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*/
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OperationMode mCurrentOperationMode = OperationMode::NORMAL;
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/**
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* The next available sensor handle
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*/
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int32_t mNextHandle;
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};
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} // namespace implementation
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} // namespace subhal
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} // namespace V2_0
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} // namespace sensors
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} // namespace hardware
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} // namespace android
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#endif
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