dolphin/Source/Core/Core/LibusbUtils.h

49 lines
1.2 KiB
C++

// Copyright 2019 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <functional>
#include <memory>
#include "Common/CommonTypes.h"
struct libusb_config_descriptor;
struct libusb_context;
struct libusb_device;
namespace LibusbUtils
{
template <typename T>
using UniquePtr = std::unique_ptr<T, void (*)(T*)>;
// Return false to stop iterating the device list.
using GetDeviceListCallback = std::function<bool(libusb_device* device)>;
class Context
{
public:
Context();
~Context();
operator libusb_context*() const;
bool IsValid() const;
// Only valid if the context is valid.
bool GetDeviceList(GetDeviceListCallback callback);
private:
class Impl;
std::unique_ptr<Impl> m_impl;
};
// Use this to get a libusb context. Do *not* use any other context
// because some libusb backends such as UsbDk only work properly with a single context.
// Additionally, device lists must be retrieved using GetDeviceList for thread safety reasons.
Context& GetContext();
using ConfigDescriptor = UniquePtr<libusb_config_descriptor>;
ConfigDescriptor MakeConfigDescriptor(libusb_device* device, u8 config_num = 0);
} // namespace LibusbUtils