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nsyshid: Add backends for cross platform USB passthrough support (#950)

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Simon 2023-09-19 01:27:40 +02:00 committed by GitHub
parent 2a735f1fb7
commit 98b5a8758a
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GPG Key ID: 4AEE18F83AFDEB23
17 changed files with 2298 additions and 524 deletions
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2
.github/workflows/build.yml vendored
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@ -232,7 +232,7 @@ jobs:
- name: "Install system dependencies"
run: |
brew update
brew install llvm@15 ninja nasm molten-vk
brew install llvm@15 ninja nasm molten-vk automake libtool
- name: "Bootstrap vcpkg"
run: |

2
BUILD.md
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@ -86,7 +86,7 @@ You can skip this section if you have an Intel Mac. Every time you compile, you
### Installing dependencies
`brew install boost git cmake llvm ninja nasm molten-vk`
`brew install boost git cmake llvm ninja nasm molten-vk automake libtool`
### Build Cemu using cmake and clang
1. `git clone --recursive https://github.com/cemu-project/Cemu`

17
CMakeLists.txt
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@ -102,6 +102,23 @@ if (WIN32)
endif()
option(ENABLE_CUBEB "Enabled cubeb backend" ON)
# usb hid backends
if (WIN32)
option(ENABLE_NSYSHID_WINDOWS_HID "Enables the native Windows HID backend for nsyshid" ON)
endif ()
# libusb and windows hid backends shouldn't be active at the same time; otherwise we'd see all devices twice!
if (NOT ENABLE_NSYSHID_WINDOWS_HID)
option(ENABLE_NSYSHID_LIBUSB "Enables the libusb backend for nsyshid" ON)
else ()
set(ENABLE_NSYSHID_LIBUSB OFF CACHE BOOL "" FORCE)
endif ()
if (ENABLE_NSYSHID_WINDOWS_HID)
add_compile_definitions(NSYSHID_ENABLE_BACKEND_WINDOWS_HID)
endif ()
if (ENABLE_NSYSHID_LIBUSB)
add_compile_definitions(NSYSHID_ENABLE_BACKEND_LIBUSB)
endif ()
option(ENABLE_WXWIDGETS "Build with wxWidgets UI (Currently required)" ON)
set(THREADS_PREFER_PTHREAD_FLAG true)

20
cmake/Findlibusb.cmake Normal file
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@ -0,0 +1,20 @@
# SPDX-FileCopyrightText: 2022 Andrea Pappacoda <andrea@pappacoda.it>
# SPDX-License-Identifier: ISC
find_package(libusb CONFIG)
if (NOT libusb_FOUND)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_search_module(libusb IMPORTED_TARGET GLOBAL libusb-1.0 libusb)
if (libusb_FOUND)
add_library(libusb::libusb ALIAS PkgConfig::libusb)
endif ()
endif ()
endif ()
find_package_handle_standard_args(libusb
REQUIRED_VARS
libusb_LINK_LIBRARIES
libusb_FOUND
VERSION_VAR libusb_VERSION
)

19
src/Cafe/CMakeLists.txt
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@ -434,6 +434,14 @@ add_library(CemuCafe
OS/libs/nn_uds/nn_uds.h
OS/libs/nsyshid/nsyshid.cpp
OS/libs/nsyshid/nsyshid.h
OS/libs/nsyshid/Backend.h
OS/libs/nsyshid/AttachDefaultBackends.cpp
OS/libs/nsyshid/Whitelist.cpp
OS/libs/nsyshid/Whitelist.h
OS/libs/nsyshid/BackendLibusb.cpp
OS/libs/nsyshid/BackendLibusb.h
OS/libs/nsyshid/BackendWindowsHID.cpp
OS/libs/nsyshid/BackendWindowsHID.h
OS/libs/nsyskbd/nsyskbd.cpp
OS/libs/nsyskbd/nsyskbd.h
OS/libs/nsysnet/nsysnet.cpp
@ -524,6 +532,17 @@ if (ENABLE_WAYLAND)
target_link_libraries(CemuCafe PUBLIC Wayland::Client)
endif()
if (ENABLE_NSYSHID_LIBUSB)
if (ENABLE_VCPKG)
find_package(libusb CONFIG REQUIRED)
target_include_directories(CemuCafe PRIVATE ${LIBUSB_INCLUDE_DIRS})
target_link_libraries(CemuCafe PRIVATE ${LIBUSB_LIBRARIES})
else ()
find_package(libusb MODULE REQUIRED)
target_link_libraries(CemuCafe PRIVATE libusb::libusb)
endif ()
endif ()
if (ENABLE_WXWIDGETS)
target_link_libraries(CemuCafe PRIVATE wx::base wx::core)
endif()

41
src/Cafe/OS/libs/nsyshid/AttachDefaultBackends.cpp Normal file
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@ -0,0 +1,41 @@
#include "nsyshid.h"
#include "Backend.h"
#if NSYSHID_ENABLE_BACKEND_LIBUSB
#include "BackendLibusb.h"
#endif
#if NSYSHID_ENABLE_BACKEND_WINDOWS_HID
#include "BackendWindowsHID.h"
#endif
namespace nsyshid::backend
{
void AttachDefaultBackends()
{
#if NSYSHID_ENABLE_BACKEND_LIBUSB
// add libusb backend
{
auto backendLibusb = std::make_shared<backend::libusb::BackendLibusb>();
if (backendLibusb->IsInitialisedOk())
{
AttachBackend(backendLibusb);
}
}
#endif // NSYSHID_ENABLE_BACKEND_LIBUSB
#if NSYSHID_ENABLE_BACKEND_WINDOWS_HID
// add windows hid backend
{
auto backendWindowsHID = std::make_shared<backend::windows::BackendWindowsHID>();
if (backendWindowsHID->IsInitialisedOk())
{
AttachBackend(backendWindowsHID);
}
}
#endif // NSYSHID_ENABLE_BACKEND_WINDOWS_HID
}
} // namespace nsyshid::backend

141
src/Cafe/OS/libs/nsyshid/Backend.h Normal file
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@ -0,0 +1,141 @@
#ifndef CEMU_NSYSHID_BACKEND_H
#define CEMU_NSYSHID_BACKEND_H
#include <list>
#include <memory>
#include <mutex>
#include "Common/precompiled.h"
namespace nsyshid
{
typedef struct
{
/* +0x00 */ uint32be handle;
/* +0x04 */ uint32 ukn04;
/* +0x08 */ uint16 vendorId; // little-endian ?
/* +0x0A */ uint16 productId; // little-endian ?
/* +0x0C */ uint8 ifIndex;
/* +0x0D */ uint8 subClass;
/* +0x0E */ uint8 protocol;
/* +0x0F */ uint8 paddingGuessed0F;
/* +0x10 */ uint16be maxPacketSizeRX;
/* +0x12 */ uint16be maxPacketSizeTX;
} HID_t;
static_assert(offsetof(HID_t, vendorId) == 0x8, "");
static_assert(offsetof(HID_t, productId) == 0xA, "");
static_assert(offsetof(HID_t, ifIndex) == 0xC, "");
static_assert(offsetof(HID_t, protocol) == 0xE, "");
class Device {
public:
Device() = delete;
Device(uint16 vendorId,
uint16 productId,
uint8 interfaceIndex,
uint8 interfaceSubClass,
uint8 protocol);
Device(const Device& device) = delete;
Device& operator=(const Device& device) = delete;
virtual ~Device() = default;
HID_t* m_hid; // this info is passed to applications and must remain intact
uint16 m_vendorId;
uint16 m_productId;
uint8 m_interfaceIndex;
uint8 m_interfaceSubClass;
uint8 m_protocol;
uint16 m_maxPacketSizeRX;
uint16 m_maxPacketSizeTX;
virtual void AssignHID(HID_t* hid);
virtual bool Open() = 0;
virtual void Close() = 0;
virtual bool IsOpened() = 0;
enum class ReadResult
{
Success,
Error,
ErrorTimeout,
};
virtual ReadResult Read(uint8* data, sint32 length, sint32& bytesRead) = 0;
enum class WriteResult
{
Success,
Error,
ErrorTimeout,
};
virtual WriteResult Write(uint8* data, sint32 length, sint32& bytesWritten) = 0;
virtual bool GetDescriptor(uint8 descType,
uint8 descIndex,
uint8 lang,
uint8* output,
uint32 outputMaxLength) = 0;
virtual bool SetProtocol(uint32 ifIndef, uint32 protocol) = 0;
virtual bool SetReport(uint8* reportData, sint32 length, uint8* originalData, sint32 originalLength) = 0;
};
class Backend {
public:
Backend();
Backend(const Backend& backend) = delete;
Backend& operator=(const Backend& backend) = delete;
virtual ~Backend() = default;
void DetachAllDevices();
// called from nsyshid when this backend is attached - do not call this yourself!
void OnAttach();
// called from nsyshid when this backend is detached - do not call this yourself!
void OnDetach();
bool IsBackendAttached();
virtual bool IsInitialisedOk() = 0;
protected:
// try to attach a device - only works if this backend is attached
bool AttachDevice(const std::shared_ptr<Device>& device);
void DetachDevice(const std::shared_ptr<Device>& device);
std::shared_ptr<Device> FindDevice(std::function<bool(const std::shared_ptr<Device>&)> isWantedDevice);
bool IsDeviceWhitelisted(uint16 vendorId, uint16 productId);
// called from OnAttach() - attach devices that your backend can see here
virtual void AttachVisibleDevices() = 0;
private:
std::list<std::shared_ptr<Device>> m_devices;
std::recursive_mutex m_devicesMutex;
bool m_isAttached;
};
namespace backend
{
void AttachDefaultBackends();
}
} // namespace nsyshid
#endif // CEMU_NSYSHID_BACKEND_H

791
src/Cafe/OS/libs/nsyshid/BackendLibusb.cpp Normal file
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@ -0,0 +1,791 @@
#include "BackendLibusb.h"
#if NSYSHID_ENABLE_BACKEND_LIBUSB
namespace nsyshid::backend::libusb
{
BackendLibusb::BackendLibusb()
: m_ctx(nullptr),
m_initReturnCode(0),
m_callbackRegistered(false),
m_hotplugCallbackHandle(0),
m_hotplugThreadStop(false)
{
m_initReturnCode = libusb_init(&m_ctx);
if (m_initReturnCode < 0)
{
m_ctx = nullptr;
cemuLog_logDebug(LogType::Force, "nsyshid::BackendLibusb: failed to initialize libusb with return code %i",
m_initReturnCode);
return;
}
if (libusb_has_capability(LIBUSB_CAP_HAS_HOTPLUG))
{
int ret = libusb_hotplug_register_callback(m_ctx,
(libusb_hotplug_event)(LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED |
LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT),
(libusb_hotplug_flag)0,
LIBUSB_HOTPLUG_MATCH_ANY,
LIBUSB_HOTPLUG_MATCH_ANY,
LIBUSB_HOTPLUG_MATCH_ANY,
HotplugCallback,
this,
&m_hotplugCallbackHandle);
if (ret != LIBUSB_SUCCESS)
{
cemuLog_logDebug(LogType::Force,
"nsyshid::BackendLibusb: failed to register hotplug callback with return code %i",
ret);
}
else
{
cemuLog_logDebug(LogType::Force, "nsyshid::BackendLibusb: registered hotplug callback");
m_callbackRegistered = true;
m_hotplugThread = std::thread([this] {
while (!m_hotplugThreadStop)
{
timeval timeout{
.tv_sec = 1,
.tv_usec = 0,
};
int ret = libusb_handle_events_timeout_completed(m_ctx, &timeout, nullptr);
if (ret != 0)
{
cemuLog_logDebug(LogType::Force,
"nsyshid::BackendLibusb: hotplug thread: error handling events: {}",
ret);
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
}
}
});
}
}
else
{
cemuLog_logDebug(LogType::Force, "nsyshid::BackendLibusb: hotplug not supported by this version of libusb");
}
}
bool BackendLibusb::IsInitialisedOk()
{
return m_initReturnCode == 0;
}
void BackendLibusb::AttachVisibleDevices()
{
// add all currently connected devices
libusb_device** devices;
ssize_t deviceCount = libusb_get_device_list(m_ctx, &devices);
if (deviceCount < 0)
{
cemuLog_log(LogType::Force, "nsyshid::BackendLibusb: failed to get usb devices");
return;
}
libusb_device* dev;
for (int i = 0; (dev = devices[i]) != nullptr; i++)
{
auto device = CheckAndCreateDevice(dev);
if (device != nullptr)
{
if (IsDeviceWhitelisted(device->m_vendorId, device->m_productId))
{
if (!AttachDevice(device))
{
cemuLog_log(LogType::Force,
"nsyshid::BackendLibusb: failed to attach device: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
}
}
else
{
cemuLog_log(LogType::Force,
"nsyshid::BackendLibusb: device not on whitelist: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
}
}
}
libusb_free_device_list(devices, 1);
}
int BackendLibusb::HotplugCallback(libusb_context* ctx,
libusb_device* dev,
libusb_hotplug_event event,
void* user_data)
{
if (user_data)
{
BackendLibusb* backend = static_cast<BackendLibusb*>(user_data);
return backend->OnHotplug(dev, event);
}
return 0;
}
int BackendLibusb::OnHotplug(libusb_device* dev, libusb_hotplug_event event)
{
struct libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0)
{
cemuLog_logDebug(LogType::Force, "nsyshid::BackendLibusb::OnHotplug(): failed to get device descriptor");
return 0;
}
switch (event)
{
case LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED:
{
cemuLog_logDebug(LogType::Force, "nsyshid::BackendLibusb::OnHotplug(): device arrived: {:04x}:{:04x}",
desc.idVendor,
desc.idProduct);
auto device = CheckAndCreateDevice(dev);
if (device != nullptr)
{
if (IsDeviceWhitelisted(device->m_vendorId, device->m_productId))
{
if (!AttachDevice(device))
{
cemuLog_log(LogType::Force,
"nsyshid::BackendLibusb::OnHotplug(): failed to attach device: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
}
}
else
{
cemuLog_log(LogType::Force,
"nsyshid::BackendLibusb::OnHotplug(): device not on whitelist: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
}
}
}
break;
case LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT:
{
cemuLog_logDebug(LogType::Force, "nsyshid::BackendLibusb::OnHotplug(): device left: {:04x}:{:04x}",
desc.idVendor,
desc.idProduct);
auto device = FindLibusbDevice(dev);
if (device != nullptr)
{
DetachDevice(device);
}
}
break;
}
return 0;
}
BackendLibusb::~BackendLibusb()
{
if (m_callbackRegistered)
{
m_hotplugThreadStop = true;
libusb_hotplug_deregister_callback(m_ctx, m_hotplugCallbackHandle);
m_hotplugThread.join();
}
DetachAllDevices();
if (m_ctx)
{
libusb_exit(m_ctx);
m_ctx = nullptr;
}
}
std::shared_ptr<Device> BackendLibusb::FindLibusbDevice(libusb_device* dev)
{
libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0)
{
cemuLog_logDebug(LogType::Force,
"nsyshid::BackendLibusb::FindLibusbDevice(): failed to get device descriptor");
return nullptr;
}
uint8 busNumber = libusb_get_bus_number(dev);
uint8 deviceAddress = libusb_get_device_address(dev);
auto device = FindDevice([desc, busNumber, deviceAddress](const std::shared_ptr<Device>& d) -> bool {
auto device = std::dynamic_pointer_cast<DeviceLibusb>(d);
if (device != nullptr &&
desc.idVendor == device->m_vendorId &&
desc.idProduct == device->m_productId &&
busNumber == device->m_libusbBusNumber &&
deviceAddress == device->m_libusbDeviceAddress)
{
// we found our device!
return true;
}
return false;
});
if (device != nullptr)
{
return device;
}
return nullptr;
}
std::shared_ptr<Device> BackendLibusb::CheckAndCreateDevice(libusb_device* dev)
{
struct libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0)
{
cemuLog_log(LogType::Force,
"nsyshid::BackendLibusb::CheckAndCreateDevice(): failed to get device descriptor; return code: %i",
ret);
return nullptr;
}
if (desc.idVendor == 0x0e6f && desc.idProduct == 0x0241)
{
cemuLog_logDebug(LogType::Force,
"nsyshid::BackendLibusb::CheckAndCreateDevice(): lego dimensions portal detected");
}
auto device = std::make_shared<DeviceLibusb>(m_ctx,
desc.idVendor,
desc.idProduct,
1,
2,
0,
libusb_get_bus_number(dev),
libusb_get_device_address(dev));
// figure out device endpoints
if (!FindDefaultDeviceEndpoints(dev,
device->m_libusbHasEndpointIn,
device->m_libusbEndpointIn,
device->m_maxPacketSizeRX,
device->m_libusbHasEndpointOut,
device->m_libusbEndpointOut,
device->m_maxPacketSizeTX))
{
// most likely couldn't read config descriptor
cemuLog_log(LogType::Force,
"nsyshid::BackendLibusb::CheckAndCreateDevice(): failed to find default endpoints for device: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
return nullptr;
}
return device;
}
bool BackendLibusb::FindDefaultDeviceEndpoints(libusb_device* dev, bool& endpointInFound, uint8& endpointIn,
uint16& endpointInMaxPacketSize, bool& endpointOutFound,
uint8& endpointOut, uint16& endpointOutMaxPacketSize)
{
endpointInFound = false;
endpointIn = 0;
endpointInMaxPacketSize = 0;
endpointOutFound = false;
endpointOut = 0;
endpointOutMaxPacketSize = 0;
struct libusb_config_descriptor* conf = nullptr;
int ret = libusb_get_active_config_descriptor(dev, &conf);
if (ret == 0)
{
for (uint8 interfaceIndex = 0; interfaceIndex < conf->bNumInterfaces; interfaceIndex++)
{
const struct libusb_interface& interface = conf->interface[interfaceIndex];
for (int altsettingIndex = 0; altsettingIndex < interface.num_altsetting; altsettingIndex++)
{
const struct libusb_interface_descriptor& altsetting = interface.altsetting[altsettingIndex];
for (uint8 endpointIndex = 0; endpointIndex < altsetting.bNumEndpoints; endpointIndex++)
{
const struct libusb_endpoint_descriptor& endpoint = altsetting.endpoint[endpointIndex];
// figure out direction
if ((endpoint.bEndpointAddress & (1 << 7)) != 0)
{
// in
if (!endpointInFound)
{
endpointInFound = true;
endpointIn = endpoint.bEndpointAddress;
endpointInMaxPacketSize = endpoint.wMaxPacketSize;
}
}
else
{
// out
if (!endpointOutFound)
{
endpointOutFound = true;
endpointOut = endpoint.bEndpointAddress;
endpointOutMaxPacketSize = endpoint.wMaxPacketSize;
}
}
}
}
}
libusb_free_config_descriptor(conf);
return true;
}
return false;
}
DeviceLibusb::DeviceLibusb(libusb_context* ctx,
uint16 vendorId,
uint16 productId,
uint8 interfaceIndex,
uint8 interfaceSubClass,
uint8 protocol,
uint8 libusbBusNumber,
uint8 libusbDeviceAddress)
: Device(vendorId,
productId,
interfaceIndex,
interfaceSubClass,
protocol),
m_ctx(ctx),
m_libusbHandle(nullptr),
m_handleInUseCounter(-1),
m_libusbBusNumber(libusbBusNumber),
m_libusbDeviceAddress(libusbDeviceAddress),
m_libusbHasEndpointIn(false),
m_libusbEndpointIn(0),
m_libusbHasEndpointOut(false),
m_libusbEndpointOut(0)
{
}
DeviceLibusb::~DeviceLibusb()
{
CloseDevice();
}
bool DeviceLibusb::Open()
{
std::unique_lock<std::mutex> lock(m_handleMutex);
if (IsOpened())
{
return true;
}
// we may still be in the process of closing the device; wait for that to finish
while (m_handleInUseCounter != -1)
{
m_handleInUseCounterDecremented.wait(lock);
}
libusb_device** devices;
ssize_t deviceCount = libusb_get_device_list(m_ctx, &devices);
if (deviceCount < 0)
{
cemuLog_log(LogType::Force, "nsyshid::DeviceLibusb::open(): failed to get usb devices");
return false;
}
libusb_device* dev;
libusb_device* found = nullptr;
for (int i = 0; (dev = devices[i]) != nullptr; i++)
{
struct libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(dev, &desc);
if (ret < 0)
{
cemuLog_log(LogType::Force,
"nsyshid::DeviceLibusb::open(): failed to get device descriptor; return code: %i",
ret);
libusb_free_device_list(devices, 1);
return false;
}
if (desc.idVendor == this->m_vendorId &&
desc.idProduct == this->m_productId &&
libusb_get_bus_number(dev) == this->m_libusbBusNumber &&
libusb_get_device_address(dev) == this->m_libusbDeviceAddress)
{
// we found our device!
found = dev;
break;
}
}
if (found != nullptr)
{
{
int ret = libusb_open(dev, &(this->m_libusbHandle));
if (ret < 0)
{
this->m_libusbHandle = nullptr;
cemuLog_log(LogType::Force,
"nsyshid::DeviceLibusb::open(): failed to open device; return code: %i",
ret);
libusb_free_device_list(devices, 1);
return false;
}
this->m_handleInUseCounter = 0;
}
if (libusb_kernel_driver_active(this->m_libusbHandle, 0) == 1)
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::open(): kernel driver active");
if (libusb_detach_kernel_driver(this->m_libusbHandle, 0) == 0)
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::open(): kernel driver detached");
}
else
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::open(): failed to detach kernel driver");
}
}
{
int ret = libusb_claim_interface(this->m_libusbHandle, 0);
if (ret != 0)
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::open(): cannot claim interface");
}
}
}
libusb_free_device_list(devices, 1);
return found != nullptr;
}
void DeviceLibusb::Close()
{
CloseDevice();
}
void DeviceLibusb::CloseDevice()
{
std::unique_lock<std::mutex> lock(m_handleMutex);
if (IsOpened())
{
auto handle = m_libusbHandle;
m_libusbHandle = nullptr;
while (m_handleInUseCounter > 0)
{
m_handleInUseCounterDecremented.wait(lock);
}
libusb_release_interface(handle, 0);
libusb_close(handle);
m_handleInUseCounter = -1;
m_handleInUseCounterDecremented.notify_all();
}
}
bool DeviceLibusb::IsOpened()
{
return m_libusbHandle != nullptr && m_handleInUseCounter >= 0;
}
Device::ReadResult DeviceLibusb::Read(uint8* data, sint32 length, sint32& bytesRead)
{
auto handleLock = AquireHandleLock();
if (!handleLock->IsValid())
{
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::read(): cannot read from a non-opened device\n");
return ReadResult::Error;
}
const unsigned int timeout = 50;
int actualLength = 0;
int ret = 0;
do
{
ret = libusb_bulk_transfer(handleLock->GetHandle(),
this->m_libusbEndpointIn,
data,
length,
&actualLength,
timeout);
}
while (ret == LIBUSB_ERROR_TIMEOUT && actualLength == 0 && IsOpened());
if (ret == 0 || ret == LIBUSB_ERROR_TIMEOUT)
{
// success
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::read(): read {} of {} bytes",
actualLength,
length);
bytesRead = actualLength;
return ReadResult::Success;
}
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::read(): failed with error code: {}",
ret);
return ReadResult::Error;
}
Device::WriteResult DeviceLibusb::Write(uint8* data, sint32 length, sint32& bytesWritten)
{
auto handleLock = AquireHandleLock();
if (!handleLock->IsValid())
{
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::write(): cannot write to a non-opened device\n");
return WriteResult::Error;
}
bytesWritten = 0;
int actualLength = 0;
int ret = libusb_bulk_transfer(handleLock->GetHandle(),
this->m_libusbEndpointOut,
data,
length,
&actualLength,
0);
if (ret == 0)
{
// success
bytesWritten = actualLength;
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::write(): wrote {} of {} bytes",
bytesWritten,
length);
return WriteResult::Success;
}
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::write(): failed with error code: {}",
ret);
return WriteResult::Error;
}
bool DeviceLibusb::GetDescriptor(uint8 descType,
uint8 descIndex,
uint8 lang,
uint8* output,
uint32 outputMaxLength)
{
auto handleLock = AquireHandleLock();
if (!handleLock->IsValid())
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::getDescriptor(): device is not opened");
return false;
}
if (descType == 0x02)
{
struct libusb_config_descriptor* conf = nullptr;
libusb_device* dev = libusb_get_device(handleLock->GetHandle());
int ret = libusb_get_active_config_descriptor(dev, &conf);
if (ret == 0)
{
std::vector<uint8> configurationDescriptor(conf->wTotalLength);
uint8* currentWritePtr = &configurationDescriptor[0];
// configuration descriptor
cemu_assert_debug(conf->bLength == LIBUSB_DT_CONFIG_SIZE);
*(uint8*)(currentWritePtr + 0) = conf->bLength; // bLength
*(uint8*)(currentWritePtr + 1) = conf->bDescriptorType; // bDescriptorType
*(uint16be*)(currentWritePtr + 2) = conf->wTotalLength; // wTotalLength
*(uint8*)(currentWritePtr + 4) = conf->bNumInterfaces; // bNumInterfaces
*(uint8*)(currentWritePtr + 5) = conf->bConfigurationValue; // bConfigurationValue
*(uint8*)(currentWritePtr + 6) = conf->iConfiguration; // iConfiguration
*(uint8*)(currentWritePtr + 7) = conf->bmAttributes; // bmAttributes
*(uint8*)(currentWritePtr + 8) = conf->MaxPower; // MaxPower
currentWritePtr = currentWritePtr + conf->bLength;
for (uint8_t interfaceIndex = 0; interfaceIndex < conf->bNumInterfaces; interfaceIndex++)
{
const struct libusb_interface& interface = conf->interface[interfaceIndex];
for (int altsettingIndex = 0; altsettingIndex < interface.num_altsetting; altsettingIndex++)
{
// interface descriptor
const struct libusb_interface_descriptor& altsetting = interface.altsetting[altsettingIndex];
cemu_assert_debug(altsetting.bLength == LIBUSB_DT_INTERFACE_SIZE);
*(uint8*)(currentWritePtr + 0) = altsetting.bLength; // bLength
*(uint8*)(currentWritePtr + 1) = altsetting.bDescriptorType; // bDescriptorType
*(uint8*)(currentWritePtr + 2) = altsetting.bInterfaceNumber; // bInterfaceNumber
*(uint8*)(currentWritePtr + 3) = altsetting.bAlternateSetting; // bAlternateSetting
*(uint8*)(currentWritePtr + 4) = altsetting.bNumEndpoints; // bNumEndpoints
*(uint8*)(currentWritePtr + 5) = altsetting.bInterfaceClass; // bInterfaceClass
*(uint8*)(currentWritePtr + 6) = altsetting.bInterfaceSubClass; // bInterfaceSubClass
*(uint8*)(currentWritePtr + 7) = altsetting.bInterfaceProtocol; // bInterfaceProtocol
*(uint8*)(currentWritePtr + 8) = altsetting.iInterface; // iInterface
currentWritePtr = currentWritePtr + altsetting.bLength;
if (altsetting.extra_length > 0)
{
// unknown descriptors - copy the ones that we can identify ourselves
const unsigned char* extraReadPointer = altsetting.extra;
while (extraReadPointer - altsetting.extra < altsetting.extra_length)
{
uint8 bLength = *(uint8*)(extraReadPointer + 0);
if (bLength == 0)
{
// prevent endless loop
break;
}
if (extraReadPointer + bLength - altsetting.extra > altsetting.extra_length)
{
// prevent out of bounds read
break;
}
uint8 bDescriptorType = *(uint8*)(extraReadPointer + 1);
// HID descriptor
if (bDescriptorType == LIBUSB_DT_HID && bLength == 9)
{
*(uint8*)(currentWritePtr + 0) =
*(uint8*)(extraReadPointer + 0); // bLength
*(uint8*)(currentWritePtr + 1) =
*(uint8*)(extraReadPointer + 1); // bDescriptorType
*(uint16be*)(currentWritePtr + 2) =
*(uint16*)(extraReadPointer + 2); // bcdHID
*(uint8*)(currentWritePtr + 4) =
*(uint8*)(extraReadPointer + 4); // bCountryCode
*(uint8*)(currentWritePtr + 5) =
*(uint8*)(extraReadPointer + 5); // bNumDescriptors
*(uint8*)(currentWritePtr + 6) =
*(uint8*)(extraReadPointer + 6); // bDescriptorType
*(uint16be*)(currentWritePtr + 7) =
*(uint16*)(extraReadPointer + 7); // wDescriptorLength
currentWritePtr += bLength;
}
extraReadPointer += bLength;
}
}
for (int endpointIndex = 0; endpointIndex < altsetting.bNumEndpoints; endpointIndex++)
{
// endpoint descriptor
const struct libusb_endpoint_descriptor& endpoint = altsetting.endpoint[endpointIndex];
cemu_assert_debug(endpoint.bLength == LIBUSB_DT_ENDPOINT_SIZE ||
endpoint.bLength == LIBUSB_DT_ENDPOINT_AUDIO_SIZE);
*(uint8*)(currentWritePtr + 0) = endpoint.bLength;
*(uint8*)(currentWritePtr + 1) = endpoint.bDescriptorType;
*(uint8*)(currentWritePtr + 2) = endpoint.bEndpointAddress;
*(uint8*)(currentWritePtr + 3) = endpoint.bmAttributes;
*(uint16be*)(currentWritePtr + 4) = endpoint.wMaxPacketSize;
*(uint8*)(currentWritePtr + 6) = endpoint.bInterval;
if (endpoint.bLength == LIBUSB_DT_ENDPOINT_AUDIO_SIZE)
{
*(uint8*)(currentWritePtr + 7) = endpoint.bRefresh;
*(uint8*)(currentWritePtr + 8) = endpoint.bSynchAddress;
}
currentWritePtr += endpoint.bLength;
}
}
}
uint32 bytesWritten = currentWritePtr - &configurationDescriptor[0];
libusb_free_config_descriptor(conf);
cemu_assert_debug(bytesWritten <= conf->wTotalLength);
memcpy(output, &configurationDescriptor[0],
std::min<uint32>(outputMaxLength, bytesWritten));
return true;
}
else
{
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::getDescriptor(): failed to get config descriptor with error code: {}",
ret);
return false;
}
}
else
{
cemu_assert_unimplemented();
}
return false;
}
bool DeviceLibusb::SetProtocol(uint32 ifIndex, uint32 protocol)
{
auto handleLock = AquireHandleLock();
if (!handleLock->IsValid())
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::SetProtocol(): device is not opened");
return false;
}
// ToDo: implement this
#if 0
// is this correct? Discarding "ifIndex" seems like a bad idea
int ret = libusb_set_configuration(handleLock->getHandle(), protocol);
if (ret == 0) {
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::setProtocol(): success");
return true;
}
cemuLog_logDebug(LogType::Force,
"nsyshid::DeviceLibusb::setProtocol(): failed with error code: {}",
ret);
return false;
#endif
// pretend that everything is fine
return true;
}
bool DeviceLibusb::SetReport(uint8* reportData, sint32 length, uint8* originalData,
sint32 originalLength)
{
auto handleLock = AquireHandleLock();
if (!handleLock->IsValid())
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceLibusb::SetReport(): device is not opened");
return false;
}
// ToDo: implement this
#if 0
// not sure if libusb_control_transfer() is the right candidate for this
int ret = libusb_control_transfer(handleLock->getHandle(),
bmRequestType,
bRequest,
wValue,
wIndex,
reportData,
length,
timeout);
#endif
// pretend that everything is fine
return true;
}
std::unique_ptr<DeviceLibusb::HandleLock> DeviceLibusb::AquireHandleLock()
{
return std::make_unique<HandleLock>(&m_libusbHandle,
m_handleMutex,
m_handleInUseCounter,
m_handleInUseCounterDecremented,
*this);
}
DeviceLibusb::HandleLock::HandleLock(libusb_device_handle** handle,
std::mutex& handleMutex,
std::atomic<sint32>& handleInUseCounter,
std::condition_variable& handleInUseCounterDecremented,
DeviceLibusb& device)
: m_handle(nullptr),
m_handleMutex(handleMutex),
m_handleInUseCounter(handleInUseCounter),
m_handleInUseCounterDecremented(handleInUseCounterDecremented)
{
std::lock_guard<std::mutex> lock(handleMutex);
if (device.IsOpened() && handle != nullptr && handleInUseCounter >= 0)
{
this->m_handle = *handle;
this->m_handleInUseCounter++;
}
}
DeviceLibusb::HandleLock::~HandleLock()
{
if (IsValid())
{
std::lock_guard<std::mutex> lock(m_handleMutex);
m_handleInUseCounter--;
m_handleInUseCounterDecremented.notify_all();
}
}
bool DeviceLibusb::HandleLock::IsValid()
{
return m_handle != nullptr;
}
libusb_device_handle* DeviceLibusb::HandleLock::GetHandle()
{
return m_handle;
}
} // namespace nsyshid::backend::libusb
#endif // NSYSHID_ENABLE_BACKEND_LIBUSB

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#ifndef CEMU_NSYSHID_BACKEND_LIBUSB_H
#define CEMU_NSYSHID_BACKEND_LIBUSB_H
#include "nsyshid.h"
#if NSYSHID_ENABLE_BACKEND_LIBUSB
#include <libusb-1.0/libusb.h>
#include "Backend.h"
namespace nsyshid::backend::libusb
{
class BackendLibusb : public nsyshid::Backend {
public:
BackendLibusb();
~BackendLibusb();
bool IsInitialisedOk() override;
protected:
void AttachVisibleDevices() override;
private:
libusb_context* m_ctx;
int m_initReturnCode;
bool m_callbackRegistered;
libusb_hotplug_callback_handle m_hotplugCallbackHandle;
std::thread m_hotplugThread;
std::atomic<bool> m_hotplugThreadStop;
// called by libusb
static int HotplugCallback(libusb_context* ctx, libusb_device* dev,
libusb_hotplug_event event, void* user_data);
int OnHotplug(libusb_device* dev, libusb_hotplug_event event);
std::shared_ptr<Device> CheckAndCreateDevice(libusb_device* dev);
std::shared_ptr<Device> FindLibusbDevice(libusb_device* dev);
bool FindDefaultDeviceEndpoints(libusb_device* dev,
bool& endpointInFound, uint8& endpointIn, uint16& endpointInMaxPacketSize,
bool& endpointOutFound, uint8& endpointOut, uint16& endpointOutMaxPacketSize);
};
class DeviceLibusb : public nsyshid::Device {
public:
DeviceLibusb(libusb_context* ctx,
uint16 vendorId,
uint16 productId,
uint8 interfaceIndex,
uint8 interfaceSubClass,
uint8 protocol,
uint8 libusbBusNumber,
uint8 libusbDeviceAddress);
~DeviceLibusb() override;
bool Open() override;
void Close() override;
bool IsOpened() override;
ReadResult Read(uint8* data, sint32 length, sint32& bytesRead) override;
WriteResult Write(uint8* data, sint32 length, sint32& bytesWritten) override;
bool GetDescriptor(uint8 descType,
uint8 descIndex,
uint8 lang,
uint8* output,
uint32 outputMaxLength) override;
bool SetProtocol(uint32 ifIndex, uint32 protocol) override;
bool SetReport(uint8* reportData, sint32 length, uint8* originalData, sint32 originalLength) override;
uint8 m_libusbBusNumber;
uint8 m_libusbDeviceAddress;
bool m_libusbHasEndpointIn;
uint8 m_libusbEndpointIn;
bool m_libusbHasEndpointOut;
uint8 m_libusbEndpointOut;
private:
void CloseDevice();
libusb_context* m_ctx;
std::mutex m_handleMutex;
std::atomic<sint32> m_handleInUseCounter;
std::condition_variable m_handleInUseCounterDecremented;
libusb_device_handle* m_libusbHandle;
class HandleLock {
public:
HandleLock() = delete;
HandleLock(libusb_device_handle** handle,
std::mutex& handleMutex,
std::atomic<sint32>& handleInUseCounter,
std::condition_variable& handleInUseCounterDecremented,
DeviceLibusb& device);
~HandleLock();
HandleLock(const HandleLock&) = delete;
HandleLock& operator=(const HandleLock&) = delete;
bool IsValid();
libusb_device_handle* GetHandle();
private:
libusb_device_handle* m_handle;
std::mutex& m_handleMutex;
std::atomic<sint32>& m_handleInUseCounter;
std::condition_variable& m_handleInUseCounterDecremented;
};
std::unique_ptr<HandleLock> AquireHandleLock();
};
} // namespace nsyshid::backend::libusb
#endif // NSYSHID_ENABLE_BACKEND_LIBUSB
#endif // CEMU_NSYSHID_BACKEND_LIBUSB_H

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#include "BackendWindowsHID.h"
#if NSYSHID_ENABLE_BACKEND_WINDOWS_HID
#include <setupapi.h>
#include <initguid.h>
#include <hidsdi.h>
#pragma comment(lib, "Setupapi.lib")
#pragma comment(lib, "hid.lib")
DEFINE_GUID(GUID_DEVINTERFACE_HID,
0x4D1E55B2L, 0xF16F, 0x11CF, 0x88, 0xCB, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30);
namespace nsyshid::backend::windows
{
BackendWindowsHID::BackendWindowsHID()
{
}
void BackendWindowsHID::AttachVisibleDevices()
{
// add all currently connected devices
HDEVINFO hDevInfo;
SP_DEVICE_INTERFACE_DATA DevIntfData;
PSP_DEVICE_INTERFACE_DETAIL_DATA DevIntfDetailData;
SP_DEVINFO_DATA DevData;
DWORD dwSize, dwMemberIdx;
hDevInfo = SetupDiGetClassDevs(&GUID_DEVINTERFACE_HID, NULL, 0, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);
if (hDevInfo != INVALID_HANDLE_VALUE)
{
DevIntfData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
dwMemberIdx = 0;
SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &GUID_DEVINTERFACE_HID,
dwMemberIdx, &DevIntfData);
while (GetLastError() != ERROR_NO_MORE_ITEMS)
{
DevData.cbSize = sizeof(DevData);
SetupDiGetDeviceInterfaceDetail(
hDevInfo, &DevIntfData, NULL, 0, &dwSize, NULL);
DevIntfDetailData = (PSP_DEVICE_INTERFACE_DETAIL_DATA)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
dwSize);
DevIntfDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if (SetupDiGetDeviceInterfaceDetail(hDevInfo, &DevIntfData,
DevIntfDetailData, dwSize, &dwSize, &DevData))
{
HANDLE hHIDDevice = OpenDevice(DevIntfDetailData->DevicePath);
if (hHIDDevice != INVALID_HANDLE_VALUE)
{
auto device = CheckAndCreateDevice(DevIntfDetailData->DevicePath, hHIDDevice);
if (device != nullptr)
{
if (IsDeviceWhitelisted(device->m_vendorId, device->m_productId))
{
if (!AttachDevice(device))
{
cemuLog_log(LogType::Force,
"nsyshid::BackendWindowsHID: failed to attach device: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
}
}
else
{
cemuLog_log(LogType::Force,
"nsyshid::BackendWindowsHID: device not on whitelist: {:04x}:{:04x}",
device->m_vendorId,
device->m_productId);
}
}
CloseHandle(hHIDDevice);
}
}
HeapFree(GetProcessHeap(), 0, DevIntfDetailData);
// next
SetupDiEnumDeviceInterfaces(hDevInfo, NULL, &GUID_DEVINTERFACE_HID, ++dwMemberIdx, &DevIntfData);
}
SetupDiDestroyDeviceInfoList(hDevInfo);
}
}
BackendWindowsHID::~BackendWindowsHID()
{
}
bool BackendWindowsHID::IsInitialisedOk()
{
return true;
}
std::shared_ptr<Device> BackendWindowsHID::CheckAndCreateDevice(wchar_t* devicePath, HANDLE hDevice)
{
HIDD_ATTRIBUTES hidAttr;
hidAttr.Size = sizeof(HIDD_ATTRIBUTES);
if (HidD_GetAttributes(hDevice, &hidAttr) == FALSE)
return nullptr;
auto device = std::make_shared<DeviceWindowsHID>(hidAttr.VendorID,
hidAttr.ProductID,
1,
2,
0,
_wcsdup(devicePath));
// get additional device info
sint32 maxPacketInputLength = -1;
sint32 maxPacketOutputLength = -1;
PHIDP_PREPARSED_DATA ppData = nullptr;
if (HidD_GetPreparsedData(hDevice, &ppData))
{
HIDP_CAPS caps;
if (HidP_GetCaps(ppData, &caps) == HIDP_STATUS_SUCCESS)
{
// length includes the report id byte
maxPacketInputLength = caps.InputReportByteLength - 1;
maxPacketOutputLength = caps.OutputReportByteLength - 1;
}
HidD_FreePreparsedData(ppData);
}
if (maxPacketInputLength <= 0 || maxPacketInputLength >= 0xF000)
{
cemuLog_log(LogType::Force, "HID: Input packet length not available or out of range (length = {})",
maxPacketInputLength);
maxPacketInputLength = 0x20;
}
if (maxPacketOutputLength <= 0 || maxPacketOutputLength >= 0xF000)
{
cemuLog_log(LogType::Force, "HID: Output packet length not available or out of range (length = {})",
maxPacketOutputLength);
maxPacketOutputLength = 0x20;
}
device->m_maxPacketSizeRX = maxPacketInputLength;
device->m_maxPacketSizeTX = maxPacketOutputLength;
return device;
}
DeviceWindowsHID::DeviceWindowsHID(uint16 vendorId,
uint16 productId,
uint8 interfaceIndex,
uint8 interfaceSubClass,
uint8 protocol,
wchar_t* devicePath)
: Device(vendorId,
productId,
interfaceIndex,
interfaceSubClass,
protocol),
m_devicePath(devicePath),
m_hFile(INVALID_HANDLE_VALUE)
{
}
DeviceWindowsHID::~DeviceWindowsHID()
{
if (m_hFile != INVALID_HANDLE_VALUE)
{
CloseHandle(m_hFile);
m_hFile = INVALID_HANDLE_VALUE;
}
}
bool DeviceWindowsHID::Open()
{
if (IsOpened())
{
return true;
}
m_hFile = OpenDevice(m_devicePath);
if (m_hFile == INVALID_HANDLE_VALUE)
{
return false;
}
HidD_SetNumInputBuffers(m_hFile, 2); // don't cache too many reports
return true;
}
void DeviceWindowsHID::Close()
{
if (m_hFile != INVALID_HANDLE_VALUE)
{
CloseHandle(m_hFile);
m_hFile = INVALID_HANDLE_VALUE;
}
}
bool DeviceWindowsHID::IsOpened()
{
return m_hFile != INVALID_HANDLE_VALUE;
}
Device::ReadResult DeviceWindowsHID::Read(uint8* data, sint32 length, sint32& bytesRead)
{
bytesRead = 0;
DWORD bt;
OVERLAPPED ovlp = {0};
ovlp.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
uint8* tempBuffer = (uint8*)malloc(length + 1);
sint32 transferLength = 0; // minus report byte
_debugPrintHex("HID_READ_BEFORE", data, length);
cemuLog_logDebug(LogType::Force, "HidRead Begin (Length 0x{:08x})", length);
BOOL readResult = ReadFile(this->m_hFile, tempBuffer, length + 1, &bt, &ovlp);
if (readResult != FALSE)
{
// sometimes we get the result immediately
if (bt == 0)
transferLength = 0;
else
transferLength = bt - 1;
cemuLog_logDebug(LogType::Force, "HidRead Result received immediately (error 0x{:08x}) Length 0x{:08x}",
GetLastError(), transferLength);
}
else
{
// wait for result
cemuLog_logDebug(LogType::Force, "HidRead WaitForResult (error 0x{:08x})", GetLastError());
// async hid read is never supposed to return unless there is a response? Lego Dimensions stops HIDRead calls as soon as one of them fails with a non-zero error (which includes time out)
DWORD r = WaitForSingleObject(ovlp.hEvent, 2000 * 100);
if (r == WAIT_TIMEOUT)
{
cemuLog_logDebug(LogType::Force, "HidRead internal timeout (error 0x{:08x})", GetLastError());
// return -108 in case of timeout
free(tempBuffer);
CloseHandle(ovlp.hEvent);
return ReadResult::ErrorTimeout;
}
cemuLog_logDebug(LogType::Force, "HidRead WaitHalfComplete");
GetOverlappedResult(this->m_hFile, &ovlp, &bt, false);
if (bt == 0)
transferLength = 0;
else
transferLength = bt - 1;
cemuLog_logDebug(LogType::Force, "HidRead WaitComplete Length: 0x{:08x}", transferLength);
}
sint32 returnCode = 0;
ReadResult result = ReadResult::Success;
if (bt != 0)
{
memcpy(data, tempBuffer + 1, transferLength);
sint32 hidReadLength = transferLength;
char debugOutput[1024] = {0};
for (sint32 i = 0; i < transferLength; i++)
{
sprintf(debugOutput + i * 3, "%02x ", tempBuffer[1 + i]);
}
cemuLog_logDebug(LogType::Force, "HIDRead data: {}", debugOutput);
bytesRead = transferLength;
result = ReadResult::Success;
}
else
{
cemuLog_log(LogType::Force, "Failed HID read");
result = ReadResult::Error;
}
free(tempBuffer);
CloseHandle(ovlp.hEvent);
return result;
}
Device::WriteResult DeviceWindowsHID::Write(uint8* data, sint32 length, sint32& bytesWritten)
{
bytesWritten = 0;
DWORD bt;
OVERLAPPED ovlp = {0};
ovlp.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
uint8* tempBuffer = (uint8*)malloc(length + 1);
memcpy(tempBuffer + 1, data, length);
tempBuffer[0] = 0; // report byte?
cemuLog_logDebug(LogType::Force, "HidWrite Begin (Length 0x{:08x})", length);
BOOL writeResult = WriteFile(this->m_hFile, tempBuffer, length + 1, &bt, &ovlp);
if (writeResult != FALSE)
{
// sometimes we get the result immediately
cemuLog_logDebug(LogType::Force, "HidWrite Result received immediately (error 0x{:08x}) Length 0x{:08x}",
GetLastError());
}
else
{
// wait for result
cemuLog_logDebug(LogType::Force, "HidWrite WaitForResult (error 0x{:08x})", GetLastError());
// todo - check for error type
DWORD r = WaitForSingleObject(ovlp.hEvent, 2000);
if (r == WAIT_TIMEOUT)
{
cemuLog_logDebug(LogType::Force, "HidWrite internal timeout");
// return -108 in case of timeout
free(tempBuffer);
CloseHandle(ovlp.hEvent);
return WriteResult::ErrorTimeout;
}
cemuLog_logDebug(LogType::Force, "HidWrite WaitHalfComplete");
GetOverlappedResult(this->m_hFile, &ovlp, &bt, false);
cemuLog_logDebug(LogType::Force, "HidWrite WaitComplete");
}
free(tempBuffer);
CloseHandle(ovlp.hEvent);
if (bt != 0)
{
bytesWritten = length;
return WriteResult::Success;
}
return WriteResult::Error;
}
bool DeviceWindowsHID::GetDescriptor(uint8 descType,
uint8 descIndex,
uint8 lang,
uint8* output,
uint32 outputMaxLength)
{
if (!IsOpened())
{
cemuLog_logDebug(LogType::Force, "nsyshid::DeviceWindowsHID::getDescriptor(): device is not opened");
return false;
}
if (descType == 0x02)
{
uint8 configurationDescriptor[0x29];
uint8* currentWritePtr;
// configuration descriptor
currentWritePtr = configurationDescriptor + 0;
*(uint8*)(currentWritePtr + 0) = 9; // bLength
*(uint8*)(currentWritePtr + 1) = 2; // bDescriptorType
*(uint16be*)(currentWritePtr + 2) = 0x0029; // wTotalLength
*(uint8*)(currentWritePtr + 4) = 1; // bNumInterfaces
*(uint8*)(currentWritePtr + 5) = 1; // bConfigurationValue
*(uint8*)(currentWritePtr + 6) = 0; // iConfiguration
*(uint8*)(currentWritePtr + 7) = 0x80; // bmAttributes
*(uint8*)(currentWritePtr + 8) = 0xFA; // MaxPower
currentWritePtr = currentWritePtr + 9;
// configuration descriptor
*(uint8*)(currentWritePtr + 0) = 9; // bLength
*(uint8*)(currentWritePtr + 1) = 0x04; // bDescriptorType
*(uint8*)(currentWritePtr + 2) = 0; // bInterfaceNumber
*(uint8*)(currentWritePtr + 3) = 0; // bAlternateSetting
*(uint8*)(currentWritePtr + 4) = 2; // bNumEndpoints
*(uint8*)(currentWritePtr + 5) = 3; // bInterfaceClass
*(uint8*)(currentWritePtr + 6) = 0; // bInterfaceSubClass
*(uint8*)(currentWritePtr + 7) = 0; // bInterfaceProtocol
*(uint8*)(currentWritePtr + 8) = 0; // iInterface
currentWritePtr = currentWritePtr + 9;
// configuration descriptor
*(uint8*)(currentWritePtr + 0) = 9; // bLength
*(uint8*)(currentWritePtr + 1) = 0x21; // bDescriptorType
*(uint16be*)(currentWritePtr + 2) = 0x0111; // bcdHID
*(uint8*)(currentWritePtr + 4) = 0x00; // bCountryCode
*(uint8*)(currentWritePtr + 5) = 0x01; // bNumDescriptors
*(uint8*)(currentWritePtr + 6) = 0x22; // bDescriptorType
*(uint16be*)(currentWritePtr + 7) = 0x001D; // wDescriptorLength
currentWritePtr = currentWritePtr + 9;
// endpoint descriptor 1
*(uint8*)(currentWritePtr + 0) = 7; // bLength
*(uint8*)(currentWritePtr + 1) = 0x05; // bDescriptorType
*(uint8*)(currentWritePtr + 2) = 0x81; // bEndpointAddress
*(uint8*)(currentWritePtr + 3) = 0x03; // bmAttributes
*(uint16be*)(currentWritePtr + 4) =
this->m_maxPacketSizeRX; // wMaxPacketSize
*(uint8*)(currentWritePtr + 6) = 0x01; // bInterval
currentWritePtr = currentWritePtr + 7;
// endpoint descriptor 2
*(uint8*)(currentWritePtr + 0) = 7; // bLength
*(uint8*)(currentWritePtr + 1) = 0x05; // bDescriptorType
*(uint8*)(currentWritePtr + 2) = 0x02; // bEndpointAddress
*(uint8*)(currentWritePtr + 3) = 0x03; // bmAttributes
*(uint16be*)(currentWritePtr + 4) =
this->m_maxPacketSizeTX; // wMaxPacketSize
*(uint8*)(currentWritePtr + 6) = 0x01; // bInterval
currentWritePtr = currentWritePtr + 7;
cemu_assert_debug((currentWritePtr - configurationDescriptor) == 0x29);
memcpy(output, configurationDescriptor,
std::min<uint32>(outputMaxLength, sizeof(configurationDescriptor)));
return true;
}
else
{
cemu_assert_unimplemented();
}
return false;
}
bool DeviceWindowsHID::SetProtocol(uint32 ifIndef, uint32 protocol)
{
// ToDo: implement this
// pretend that everything is fine
return true;
}
bool DeviceWindowsHID::SetReport(uint8* reportData, sint32 length, uint8* originalData, sint32 originalLength)
{
sint32 retryCount = 0;
while (true)
{
BOOL r = HidD_SetOutputReport(this->m_hFile, reportData, length);
if (r != FALSE)
break;
Sleep(20); // retry
retryCount++;
if (retryCount >= 50)
{
cemuLog_log(LogType::Force, "nsyshid::DeviceWindowsHID::SetReport(): HID SetReport failed");
return false;
}
}
return true;
}
HANDLE OpenDevice(wchar_t* devicePath)
{
return CreateFile(devicePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ |
FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
}
void _debugPrintHex(std::string prefix, uint8* data, size_t len)
{
char debugOutput[1024] = {0};
len = std::min(len, (size_t)100);
for (sint32 i = 0; i < len; i++)
{
sprintf(debugOutput + i * 3, "%02x ", data[i]);
}
fmt::print("{} Data: {}\n", prefix, debugOutput);
cemuLog_logDebug(LogType::Force, "[{}] Data: {}", prefix, debugOutput);
}
} // namespace nsyshid::backend::windows
#endif // NSYSHID_ENABLE_BACKEND_WINDOWS_HID

66
src/Cafe/OS/libs/nsyshid/BackendWindowsHID.h Normal file
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#ifndef CEMU_NSYSHID_BACKEND_WINDOWS_HID_H
#define CEMU_NSYSHID_BACKEND_WINDOWS_HID_H
#include "nsyshid.h"
#if NSYSHID_ENABLE_BACKEND_WINDOWS_HID
#include "Backend.h"
namespace nsyshid::backend::windows
{
class BackendWindowsHID : public nsyshid::Backend {
public:
BackendWindowsHID();
~BackendWindowsHID();
bool IsInitialisedOk() override;
protected:
void AttachVisibleDevices() override;
private:
std::shared_ptr<Device> CheckAndCreateDevice(wchar_t* devicePath, HANDLE hDevice);
};
class DeviceWindowsHID : public nsyshid::Device {
public:
DeviceWindowsHID(uint16 vendorId,
uint16 productId,
uint8 interfaceIndex,
uint8 interfaceSubClass,
uint8 protocol,
wchar_t* devicePath);
~DeviceWindowsHID();
bool Open() override;
void Close() override;
bool IsOpened() override;
ReadResult Read(uint8* data, sint32 length, sint32& bytesRead) override;
WriteResult Write(uint8* data, sint32 length, sint32& bytesWritten) override;
bool GetDescriptor(uint8 descType, uint8 descIndex, uint8 lang, uint8* output, uint32 outputMaxLength) override;
bool SetProtocol(uint32 ifIndef, uint32 protocol) override;
bool SetReport(uint8* reportData, sint32 length, uint8* originalData, sint32 originalLength) override;
private:
wchar_t* m_devicePath;
HANDLE m_hFile;
};
HANDLE OpenDevice(wchar_t* devicePath);
void _debugPrintHex(std::string prefix, uint8* data, size_t len);
} // namespace nsyshid::backend::windows
#endif // NSYSHID_ENABLE_BACKEND_WINDOWS_HID
#endif // CEMU_NSYSHID_BACKEND_WINDOWS_HID_H

53
src/Cafe/OS/libs/nsyshid/Whitelist.cpp Normal file
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#include "Whitelist.h"
namespace nsyshid
{
Whitelist& Whitelist::GetInstance()
{
static Whitelist whitelist;
return whitelist;
}
Whitelist::Whitelist()
{
// add known devices
{
// lego dimensions portal
m_devices.emplace_back(0x0e6f, 0x0241);
// skylanders portal
m_devices.emplace_back(0x1430, 0x0150);
// disney infinity base
m_devices.emplace_back(0x0e6f, 0x0129);
}
}
bool Whitelist::IsDeviceWhitelisted(uint16 vendorId, uint16 productId)
{
auto it = std::find(m_devices.begin(), m_devices.end(),
std::tuple<uint16, uint16>(vendorId, productId));
return it != m_devices.end();
}
void Whitelist::AddDevice(uint16 vendorId, uint16 productId)
{
if (!IsDeviceWhitelisted(vendorId, productId))
{
m_devices.emplace_back(vendorId, productId);
}
}
void Whitelist::RemoveDevice(uint16 vendorId, uint16 productId)
{
m_devices.remove(std::tuple<uint16, uint16>(vendorId, productId));
}
std::list<std::tuple<uint16, uint16>> Whitelist::GetDevices()
{
return m_devices;
}
void Whitelist::RemoveAllDevices()
{
m_devices.clear();
}
} // namespace nsyshid

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src/Cafe/OS/libs/nsyshid/Whitelist.h Normal file
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#ifndef CEMU_NSYSHID_WHITELIST_H
#define CEMU_NSYSHID_WHITELIST_H
namespace nsyshid
{
class Whitelist {
public:
static Whitelist& GetInstance();
Whitelist(const Whitelist&) = delete;
Whitelist& operator=(const Whitelist&) = delete;
bool IsDeviceWhitelisted(uint16 vendorId, uint16 productId);
void AddDevice(uint16 vendorId, uint16 productId);
void RemoveDevice(uint16 vendorId, uint16 productId);
std::list<std::tuple<uint16, uint16>> GetDevices();
void RemoveAllDevices();
private:
Whitelist();
// vendorId, productId
std::list<std::tuple<uint16, uint16>> m_devices;
};
} // namespace nsyshid
#endif // CEMU_NSYSHID_WHITELIST_H

954
src/Cafe/OS/libs/nsyshid/nsyshid.cpp
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9
src/Cafe/OS/libs/nsyshid/nsyshid.h
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@ -1,5 +1,12 @@
#pragma once
namespace nsyshid
{
class Backend;
void AttachBackend(const std::shared_ptr<Backend>& backend);
void DetachBackend(const std::shared_ptr<Backend>& backend);
void load();
}
} // namespace nsyshid

3
src/input/api/Wiimote/windows/WinWiimoteDevice.cpp
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@ -3,6 +3,9 @@
#include <hidsdi.h>
#include <SetupAPI.h>
#pragma comment(lib, "Setupapi.lib")
#pragma comment(lib, "hid.lib")
WinWiimoteDevice::WinWiimoteDevice(HANDLE handle, std::vector<uint8_t> identifier)
: m_handle(handle), m_identifier(std::move(identifier))
{

3
vcpkg.json
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@ -46,6 +46,7 @@
"name": "curl",
"default-features": false,
"features": [ "openssl" ]
}
},
"libusb"
]
}