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85 lines
3.0 KiB
85 lines
3.0 KiB
4 years ago
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/*
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* Copyright (C) 2019 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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#include "HalProxyCallback.h"
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#include <cinttypes>
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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 implementation {
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static constexpr int32_t kBitsAfterSubHalIndex = 24;
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/**
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* Set the subhal index as first byte of sensor handle and return this modified version.
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*
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* @param sensorHandle The sensor handle to modify.
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* @param subHalIndex The index in the hal proxy of the sub hal this sensor belongs to.
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*
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* @return The modified sensor handle.
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*/
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int32_t setSubHalIndex(int32_t sensorHandle, size_t subHalIndex) {
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return sensorHandle | (static_cast<int32_t>(subHalIndex) << kBitsAfterSubHalIndex);
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}
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void HalProxyCallbackBase::postEvents(const std::vector<V2_1::Event>& events,
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ScopedWakelock wakelock) {
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if (events.empty() || !mCallback->areThreadsRunning()) return;
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size_t numWakeupEvents;
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std::vector<V2_1::Event> processedEvents = processEvents(events, &numWakeupEvents);
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if (numWakeupEvents > 0) {
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ALOG_ASSERT(wakelock.isLocked(),
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"Wakeup events posted while wakelock unlocked for subhal"
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" w/ index %" PRId32 ".",
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mSubHalIndex);
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} else {
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ALOG_ASSERT(!wakelock.isLocked(),
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"No Wakeup events posted but wakelock locked for subhal"
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" w/ index %" PRId32 ".",
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mSubHalIndex);
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}
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mCallback->postEventsToMessageQueue(processedEvents, numWakeupEvents, std::move(wakelock));
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}
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ScopedWakelock HalProxyCallbackBase::createScopedWakelock(bool lock) {
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ScopedWakelock wakelock(mRefCounter, lock);
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return wakelock;
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}
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std::vector<V2_1::Event> HalProxyCallbackBase::processEvents(const std::vector<V2_1::Event>& events,
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size_t* numWakeupEvents) const {
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*numWakeupEvents = 0;
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std::vector<V2_1::Event> eventsOut;
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for (V2_1::Event event : events) {
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event.sensorHandle = setSubHalIndex(event.sensorHandle, mSubHalIndex);
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eventsOut.push_back(event);
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const V2_1::SensorInfo& sensor = mCallback->getSensorInfo(event.sensorHandle);
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if ((sensor.flags & V1_0::SensorFlagBits::WAKE_UP) != 0) {
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(*numWakeupEvents)++;
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}
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}
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return eventsOut;
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}
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} // namespace implementation
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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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