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86 lines
2.7 KiB
86 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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