99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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* Copyright (C) 2024 KonstaKANG
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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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#pragma once
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#include <UsbGadgetCommon.h>
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#include <android-base/file.h>
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#include <android-base/properties.h>
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#include <android-base/unique_fd.h>
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#include <android-base/strings.h>
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#include <aidl/android/hardware/usb/gadget/BnUsbGadget.h>
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#include <aidl/android/hardware/usb/gadget/BnUsbGadgetCallback.h>
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#include <aidl/android/hardware/usb/gadget/GadgetFunction.h>
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#include <aidl/android/hardware/usb/gadget/IUsbGadget.h>
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#include <aidl/android/hardware/usb/gadget/IUsbGadgetCallback.h>
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#include <sys/epoll.h>
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#include <sys/eventfd.h>
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#include <utils/Log.h>
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#include <chrono>
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#include <condition_variable>
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#include <mutex>
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#include <string>
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#include <thread>
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace usb {
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namespace gadget {
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using ::aidl::android::hardware::usb::gadget::GadgetFunction;
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using ::aidl::android::hardware::usb::gadget::IUsbGadgetCallback;
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using ::aidl::android::hardware::usb::gadget::IUsbGadget;
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using ::aidl::android::hardware::usb::gadget::Status;
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using ::aidl::android::hardware::usb::gadget::UsbSpeed;
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using ::android::base::GetProperty;
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using ::android::base::SetProperty;
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using ::android::base::unique_fd;
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using ::android::base::ReadFileToString;
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using ::android::base::Trim;
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using ::android::base::WriteStringToFile;
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using ::ndk::ScopedAStatus;
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using ::std::shared_ptr;
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using ::std::string;
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constexpr char kGadgetName[] = "fe980000.usb";
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static MonitorFfs monitorFfs(kGadgetName);
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#define UDC_PATH "/sys/class/udc/fe980000.usb/"
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#define SPEED_PATH UDC_PATH "current_speed"
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struct UsbGadget : public BnUsbGadget {
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UsbGadget();
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// Makes sure that only one request is processed at a time.
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std::mutex mLockSetCurrentFunction;
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long mCurrentUsbFunctions;
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bool mCurrentUsbFunctionsApplied;
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UsbSpeed mUsbSpeed;
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ScopedAStatus setCurrentUsbFunctions(int64_t functions,
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const shared_ptr<IUsbGadgetCallback> &callback,
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int64_t timeoutMs, int64_t in_transactionId) override;
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ScopedAStatus getCurrentUsbFunctions(const shared_ptr<IUsbGadgetCallback> &callback,
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int64_t in_transactionId) override;
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ScopedAStatus reset(const shared_ptr<IUsbGadgetCallback> &callback,
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int64_t in_transactionId) override;
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ScopedAStatus getUsbSpeed(const shared_ptr<IUsbGadgetCallback> &callback,
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int64_t in_transactionId) override;
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private:
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Status tearDownGadget();
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Status setupFunctions(long functions, const shared_ptr<IUsbGadgetCallback> &callback,
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uint64_t timeout, int64_t in_transactionId);
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};
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} // namespace gadget
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} // namespace usb
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} // namespace hardware
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} // namespace android
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} // aidl
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