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85 lines
2.7 KiB
85 lines
2.7 KiB
/* |
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* Copyright (C) 2017 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_SENSORHAL_EXT_HIDRAW_DEVICE_H |
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#define ANDROID_SENSORHAL_EXT_HIDRAW_DEVICE_H |
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#include "HidDevice.h" |
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#include <HidParser.h> |
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#include <string> |
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#include <vector> |
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#include <unordered_set> |
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#include <unordered_map> |
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namespace android { |
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namespace SensorHalExt { |
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using HidUtil::HidParser; |
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using HidUtil::HidReport; |
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class HidRawDevice : public HidDevice { |
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friend class HidRawDeviceTest; |
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public: |
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HidRawDevice(const std::string &devName, const std::unordered_set<unsigned int> &usageSet); |
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virtual ~HidRawDevice(); |
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// test if the device initialized successfully |
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bool isValid(); |
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// implement HidDevice pure virtuals |
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virtual HidDeviceInfo& getDeviceInfo() override { return mDeviceInfo; } |
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virtual bool getFeature(uint8_t id, std::vector<uint8_t> *out) override; |
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virtual bool setFeature(uint8_t id, const std::vector<uint8_t> &in) override; |
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virtual bool sendReport(uint8_t id, std::vector<uint8_t> &data) override; |
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virtual bool receiveReport(uint8_t *id, std::vector<uint8_t> *data) override; |
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protected: |
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bool populateDeviceInfo(); |
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size_t getReportSize(int type, uint8_t id); |
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bool generateDigest(const std::unordered_set<uint32_t> &usage); |
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size_t calculateReportBitSize(const std::vector<HidReport> &reportItems); |
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const HidParser::ReportPacket *getReportPacket(unsigned int type, unsigned int id); |
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typedef std::pair<unsigned int, unsigned int> ReportTypeIdPair; |
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struct UnsignedIntPairHash { |
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size_t operator()(const ReportTypeIdPair& v) const { |
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std::hash<unsigned int> hash; |
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return hash(v.first) ^ hash(v.second); |
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} |
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}; |
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std::unordered_map<ReportTypeIdPair, const HidParser::ReportPacket *, UnsignedIntPairHash> |
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mReportTypeIdMap; |
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HidParser::DigestVector mDigestVector; |
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private: |
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std::mutex mIoBufferLock; |
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std::vector<uint8_t> mIoBuffer; |
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int mDevFd; |
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HidDeviceInfo mDeviceInfo; |
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bool mMultiIdDevice; |
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int mValid; |
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HidRawDevice(const HidRawDevice &) = delete; |
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void operator=(const HidRawDevice &) = delete; |
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}; |
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} // namespace SensorHalExt |
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} // namespace android |
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#endif // ANDROID_SENSORHAL_EXT_HIDRAW_DEVICE_H |
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