platform_system_core/usbd/usbd.cpp
Ricky Niu ba43d547b6 usb: migration to USB gadget AIDL
Using the USB gadget AIDL

Bug: 261027750
Test: USB function switch success and AIDL service is running.
Change-Id: I4781ac9eb641a5340ecfb6bda0881761b7a01eb2
2023-01-10 11:24:36 +08:00

95 lines
3.7 KiB
C++

/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "usbd"
#include <string>
#include <aidl/android/hardware/usb/gadget/GadgetFunction.h>
#include <aidl/android/hardware/usb/gadget/IUsbGadget.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android/binder_manager.h>
#include <android/binder_process.h>
#include <android/hardware/usb/gadget/1.0/IUsbGadget.h>
using aidl::android::hardware::usb::gadget::GadgetFunction;
using android::base::GetProperty;
using android::base::SetProperty;
using android::hardware::Return;
using ndk::ScopedAStatus;
using std::shared_ptr;
std::atomic<int> sUsbOperationCount{};
int main(int /*argc*/, char** /*argv*/) {
if (GetProperty("ro.bootmode", "") == "charger") exit(0);
int operationId = sUsbOperationCount++;
ABinderProcess_setThreadPoolMaxThreadCount(1);
ABinderProcess_startThreadPool();
const std::string service_name =
std::string(aidl::android::hardware::usb::gadget::IUsbGadget::descriptor)
.append("/default");
std::string function = GetProperty("persist.sys.usb.config", "");
if (function == "adb") {
LOG(INFO) << "persistent prop is adb";
SetProperty("ctl.start", "adbd");
}
if (AServiceManager_isDeclared(service_name.c_str())) {
shared_ptr<aidl::android::hardware::usb::gadget::IUsbGadget> gadget_aidl =
aidl::android::hardware::usb::gadget::IUsbGadget::fromBinder(
ndk::SpAIBinder(AServiceManager_waitForService(service_name.c_str())));
ScopedAStatus ret;
if (gadget_aidl != nullptr) {
LOG(INFO) << "Usb AIDL HAL found.";
if (function == "adb") {
ret = gadget_aidl->setCurrentUsbFunctions(
static_cast<uint64_t>(GadgetFunction::ADB), nullptr, 0, operationId);
} else {
LOG(INFO) << "Signal MTP to enable default functions";
ret = gadget_aidl->setCurrentUsbFunctions(
static_cast<uint64_t>(GadgetFunction::MTP), nullptr, 0, operationId);
}
if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
} else {
LOG(INFO) << "Usb AIDL HAL not found";
}
} else {
android::sp<android::hardware::usb::gadget::V1_0::IUsbGadget> gadget =
android::hardware::usb::gadget::V1_0::IUsbGadget::getService();
Return<void> ret;
if (gadget != nullptr) {
LOG(INFO) << "Usb HAL found.";
if (function == "adb") {
ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::ADB),
nullptr, 0);
} else {
LOG(INFO) << "Signal MTP to enable default functions";
ret = gadget->setCurrentUsbFunctions(static_cast<uint64_t>(GadgetFunction::MTP),
nullptr, 0);
}
if (!ret.isOk()) LOG(ERROR) << "Error while invoking usb hal";
} else {
LOG(INFO) << "Usb HAL not found";
}
}
exit(0);
}