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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <fmt/format.h>
#include "common/param_package.h"
#include "common/settings.h"
#include "common/thread.h"
#include "input_common/drivers/joycon.h"
#include "input_common/helpers/joycon_driver.h"
#include "input_common/helpers/joycon_protocol/joycon_types.h"
namespace InputCommon {
Joycons::Joycons(const std::string& input_engine_) : InputEngine(input_engine_) {
// Avoid conflicting with SDL driver
if (!Settings::values.enable_joycon_driver) {
return;
}
LOG_INFO(Input, "Joycon driver Initialization started");
const int init_res = SDL_hid_init();
if (init_res == 0) {
Setup();
} else {
LOG_ERROR(Input, "Hidapi could not be initialized. failed with error = {}", init_res);
}
}
Joycons::~Joycons() {
Reset();
}
void Joycons::Reset() {
scan_thread = {};
for (const auto& device : left_joycons) {
if (!device) {
continue;
}
device->Stop();
}
for (const auto& device : right_joycons) {
if (!device) {
continue;
}
device->Stop();
}
for (const auto& device : pro_joycons) {
if (!device) {
continue;
}
device->Stop();
}
SDL_hid_exit();
}
void Joycons::Setup() {
u32 port = 0;
for (auto& device : left_joycons) {
PreSetController(GetIdentifier(port, Joycon::ControllerType::Left));
device = std::make_shared<Joycon::JoyconDriver>(port++);
}
for (auto& device : right_joycons) {
PreSetController(GetIdentifier(port, Joycon::ControllerType::Right));
device = std::make_shared<Joycon::JoyconDriver>(port++);
}
for (auto& device : pro_joycons) {
PreSetController(GetIdentifier(port, Joycon::ControllerType::Pro));
device = std::make_shared<Joycon::JoyconDriver>(port++);
}
if (!scan_thread_running) {
scan_thread = std::jthread([this](std::stop_token stop_token) { ScanThread(stop_token); });
}
}
void Joycons::ScanThread(std::stop_token stop_token) {
constexpr u16 nintendo_vendor_id = 0x057e;
Common::SetCurrentThreadName("yuzu:input:JoyconScanThread");
scan_thread_running = true;
while (!stop_token.stop_requested()) {
SDL_hid_device_info* devs = SDL_hid_enumerate(nintendo_vendor_id, 0x0);
SDL_hid_device_info* cur_dev = devs;
while (cur_dev) {
if (IsDeviceNew(cur_dev)) {
LOG_DEBUG(Input, "Device Found,type : {:04X} {:04X}", cur_dev->vendor_id,
cur_dev->product_id);
RegisterNewDevice(cur_dev);
}
cur_dev = cur_dev->next;
}
std::this_thread::sleep_for(std::chrono::seconds(5));
}
scan_thread_running = false;
}
bool Joycons::IsDeviceNew(SDL_hid_device_info* device_info) const {
Joycon::ControllerType type{};
Joycon::SerialNumber serial_number{};
const auto result = Joycon::JoyconDriver::GetDeviceType(device_info, type);
if (result != Joycon::DriverResult::Success) {
return false;
}
const auto result2 = Joycon::JoyconDriver::GetSerialNumber(device_info, serial_number);
if (result2 != Joycon::DriverResult::Success) {
return false;
}
auto is_handle_identical = [&](std::shared_ptr<Joycon::JoyconDriver> device) {
if (!device) {
return false;
}
if (!device->IsConnected()) {
return false;
}
if (device->GetHandleSerialNumber() != serial_number) {
return false;
}
return true;
};
// Check if device already exist
switch (type) {
case Joycon::ControllerType::Left:
for (const auto& device : left_joycons) {
if (is_handle_identical(device)) {
return false;
}
}
break;
case Joycon::ControllerType::Right:
for (const auto& device : right_joycons) {
if (is_handle_identical(device)) {
return false;
}
}
break;
case Joycon::ControllerType::Pro:
case Joycon::ControllerType::Grip:
for (const auto& device : pro_joycons) {
if (is_handle_identical(device)) {
return false;
}
}
break;
default:
return false;
}
return true;
}
void Joycons::RegisterNewDevice(SDL_hid_device_info* device_info) {
Joycon::ControllerType type{};
auto result = Joycon::JoyconDriver::GetDeviceType(device_info, type);
auto handle = GetNextFreeHandle(type);
if (handle == nullptr) {
LOG_WARNING(Input, "No free handles available");
return;
}
if (result == Joycon::DriverResult::Success) {
result = handle->RequestDeviceAccess(device_info);
}
if (result == Joycon::DriverResult::Success) {
LOG_WARNING(Input, "Initialize device");
std::function<void(Joycon::Battery)> on_battery_data;
std::function<void(Joycon::Color)> on_button_data;
std::function<void(int, f32)> on_stick_data;
std::function<void(int, std::array<u8, 6>)> on_motion_data;
std::function<void(s16)> on_ring_data;
std::function<void(const std::vector<u8>&)> on_amiibo_data;
const std::size_t port = handle->GetDevicePort();
handle->on_battery_data = {
[this, port, type](Joycon::Battery value) { OnBatteryUpdate(port, type, value); }};
handle->on_color_data = {
[this, port, type](Joycon::Color value) { OnColorUpdate(port, type, value); }};
handle->on_button_data = {
[this, port, type](int id, bool value) { OnButtonUpdate(port, type, id, value); }};
handle->on_stick_data = {
[this, port, type](int id, f32 value) { OnStickUpdate(port, type, id, value); }};
handle->on_motion_data = {[this, port, type](int id, Joycon::MotionData value) {
OnMotionUpdate(port, type, id, value);
}};
handle->on_ring_data = {[this](f32 ring_data) { OnRingConUpdate(ring_data); }};
handle->on_amiibo_data = {[this, port](const std::vector<u8>& amiibo_data) {
OnAmiiboUpdate(port, amiibo_data);
}};
handle->InitializeDevice();
}
}
std::shared_ptr<Joycon::JoyconDriver> Joycons::GetNextFreeHandle(
Joycon::ControllerType type) const {
if (type == Joycon::ControllerType::Left) {
for (const auto& device : left_joycons) {
if (!device->IsConnected()) {
return device;
}
}
}
if (type == Joycon::ControllerType::Right) {
for (const auto& device : right_joycons) {
if (!device->IsConnected()) {
return device;
}
}
}
if (type == Joycon::ControllerType::Pro || type == Joycon::ControllerType::Grip) {
for (const auto& device : pro_joycons) {
if (!device->IsConnected()) {
return device;
}
}
}
return nullptr;
}
bool Joycons::IsVibrationEnabled(const PadIdentifier& identifier) {
const auto handle = GetHandle(identifier);
if (handle == nullptr) {
return false;
}
return handle->IsVibrationEnabled();
}
Common::Input::VibrationError Joycons::SetVibration(
const PadIdentifier& identifier, const Common::Input::VibrationStatus& vibration) {
const Joycon::VibrationValue native_vibration{
.low_amplitude = vibration.low_amplitude,
.low_frequency = vibration.low_frequency,
.high_amplitude = vibration.high_amplitude,
.high_frequency = vibration.high_amplitude,
};
auto handle = GetHandle(identifier);
if (handle == nullptr) {
return Common::Input::VibrationError::InvalidHandle;
}
handle->SetVibration(native_vibration);
return Common::Input::VibrationError::None;
}
void Joycons::SetLeds(const PadIdentifier& identifier, const Common::Input::LedStatus& led_status) {
auto handle = GetHandle(identifier);
if (handle == nullptr) {
return;
}
int led_config = led_status.led_1 ? 1 : 0;
led_config += led_status.led_2 ? 2 : 0;
led_config += led_status.led_3 ? 4 : 0;
led_config += led_status.led_4 ? 8 : 0;
const auto result = handle->SetLedConfig(static_cast<u8>(led_config));
if (result != Joycon::DriverResult::Success) {
LOG_ERROR(Input, "Failed to set led config");
}
}
Common::Input::CameraError Joycons::SetCameraFormat(const PadIdentifier& identifier_,
Common::Input::CameraFormat camera_format) {
return Common::Input::CameraError::NotSupported;
};
Common::Input::NfcState Joycons::SupportsNfc(const PadIdentifier& identifier_) const {
return Common::Input::NfcState::Success;
};
Common::Input::NfcState Joycons::WriteNfcData(const PadIdentifier& identifier_,
const std::vector<u8>& data) {
return Common::Input::NfcState::NotSupported;
};
Common::Input::PollingError Joycons::SetPollingMode(const PadIdentifier& identifier,
const Common::Input::PollingMode polling_mode) {
auto handle = GetHandle(identifier);
if (handle == nullptr) {
LOG_ERROR(Input, "Invalid handle {}", identifier.port);
return Common::Input::PollingError::InvalidHandle;
}
switch (polling_mode) {
case Common::Input::PollingMode::NFC:
handle->SetNfcMode();
break;
case Common::Input::PollingMode::Active:
handle->SetActiveMode();
break;
case Common::Input::PollingMode::Pasive:
handle->SetPasiveMode();
break;
case Common::Input::PollingMode::Ring:
handle->SetRingConMode();
break;
default:
return Common::Input::PollingError::NotSupported;
}
return Common::Input::PollingError::None;
}
void Joycons::OnBatteryUpdate(std::size_t port, Joycon::ControllerType type,
Joycon::Battery value) {
const auto identifier = GetIdentifier(port, type);
if (value.charging != 0) {
SetBattery(identifier, Common::Input::BatteryLevel::Charging);
return;
}
Common::Input::BatteryLevel battery{value.status.Value()};
switch (value.status) {
case 0:
battery = Common::Input::BatteryLevel::Empty;
break;
case 1:
battery = Common::Input::BatteryLevel::Critical;
break;
case 2:
battery = Common::Input::BatteryLevel::Low;
break;
case 3:
battery = Common::Input::BatteryLevel::Medium;
break;
case 4:
default:
battery = Common::Input::BatteryLevel::Full;
break;
}
SetBattery(identifier, battery);
}
void Joycons::OnColorUpdate(std::size_t port, Joycon::ControllerType type,
const Joycon::Color& value) {}
void Joycons::OnButtonUpdate(std::size_t port, Joycon::ControllerType type, int id, bool value) {
const auto identifier = GetIdentifier(port, type);
SetButton(identifier, id, value);
}
void Joycons::OnStickUpdate(std::size_t port, Joycon::ControllerType type, int id, f32 value) {
const auto identifier = GetIdentifier(port, type);
SetAxis(identifier, id, value);
}
void Joycons::OnMotionUpdate(std::size_t port, Joycon::ControllerType type, int id,
const Joycon::MotionData& value) {
const auto identifier = GetIdentifier(port, type);
BasicMotion motion_data{
.gyro_x = value.gyro_x,
.gyro_y = value.gyro_y,
.gyro_z = value.gyro_z,
.accel_x = value.accel_x,
.accel_y = value.accel_y,
.accel_z = value.accel_z,
.delta_timestamp = 15000,
};
SetMotion(identifier, id, motion_data);
}
void Joycons::OnRingConUpdate(f32 ring_data) {
// To simplify ring detection it will always be mapped to an empty identifier for all
// controllers
constexpr PadIdentifier identifier = {
.guid = Common::UUID{},
.port = 0,
.pad = 0,
};
SetAxis(identifier, 100, ring_data);
}
void Joycons::OnAmiiboUpdate(std::size_t port, const std::vector<u8>& amiibo_data) {
const auto identifier = GetIdentifier(port, Joycon::ControllerType::Right);
SetNfc(identifier, {Common::Input::NfcState::NewAmiibo, amiibo_data});
}
std::shared_ptr<Joycon::JoyconDriver> Joycons::GetHandle(PadIdentifier identifier) const {
auto is_handle_active = [&](std::shared_ptr<Joycon::JoyconDriver> device) {
if (!device) {
return false;
}
if (!device->IsConnected()) {
return false;
}
if (device->GetDevicePort() == identifier.port) {
return true;
}
return false;
};
const auto type = static_cast<Joycon::ControllerType>(identifier.pad);
if (type == Joycon::ControllerType::Left) {
for (const auto& device : left_joycons) {
if (is_handle_active(device)) {
return device;
}
}
}
if (type == Joycon::ControllerType::Right) {
for (const auto& device : right_joycons) {
if (is_handle_active(device)) {
return device;
}
}
}
if (type == Joycon::ControllerType::Pro || type == Joycon::ControllerType::Grip) {
for (const auto& device : pro_joycons) {
if (is_handle_active(device)) {
return device;
}
}
}
return nullptr;
}
PadIdentifier Joycons::GetIdentifier(std::size_t port, Joycon::ControllerType type) const {
return {
.guid = Common::UUID{Common::InvalidUUID},
.port = port,
.pad = static_cast<std::size_t>(type),
};
}
std::vector<Common::ParamPackage> Joycons::GetInputDevices() const {
std::vector<Common::ParamPackage> devices{};
auto add_entry = [&](std::shared_ptr<Joycon::JoyconDriver> device) {
if (!device) {
return;
}
if (!device->IsConnected()) {
return;
}
std::string name = fmt::format("{} {}", JoyconName(device->GetHandleDeviceType()),
device->GetDevicePort());
devices.emplace_back(Common::ParamPackage{
{"engine", GetEngineName()},
{"display", std::move(name)},
{"port", std::to_string(device->GetDevicePort())},
{"pad", std::to_string(static_cast<std::size_t>(device->GetHandleDeviceType()))},
});
};
for (const auto& controller : left_joycons) {
add_entry(controller);
}
for (const auto& controller : right_joycons) {
add_entry(controller);
}
for (const auto& controller : pro_joycons) {
add_entry(controller);
}
return devices;
}
ButtonMapping Joycons::GetButtonMappingForDevice(const Common::ParamPackage& params) {
static constexpr std::array<std::pair<Settings::NativeButton::Values, Joycon::PadButton>, 20>
switch_to_joycon_button = {
std::pair{Settings::NativeButton::A, Joycon::PadButton::A},
{Settings::NativeButton::B, Joycon::PadButton::B},
{Settings::NativeButton::X, Joycon::PadButton::X},
{Settings::NativeButton::Y, Joycon::PadButton::Y},
{Settings::NativeButton::DLeft, Joycon::PadButton::Left},
{Settings::NativeButton::DUp, Joycon::PadButton::Up},
{Settings::NativeButton::DRight, Joycon::PadButton::Right},
{Settings::NativeButton::DDown, Joycon::PadButton::Down},
{Settings::NativeButton::SL, Joycon::PadButton::LeftSL},
{Settings::NativeButton::SR, Joycon::PadButton::LeftSR},
{Settings::NativeButton::L, Joycon::PadButton::L},
{Settings::NativeButton::R, Joycon::PadButton::R},
{Settings::NativeButton::ZL, Joycon::PadButton::ZL},
{Settings::NativeButton::ZR, Joycon::PadButton::ZR},
{Settings::NativeButton::Plus, Joycon::PadButton::Plus},
{Settings::NativeButton::Minus, Joycon::PadButton::Minus},
{Settings::NativeButton::Home, Joycon::PadButton::Home},
{Settings::NativeButton::Screenshot, Joycon::PadButton::Capture},
{Settings::NativeButton::LStick, Joycon::PadButton::StickL},
{Settings::NativeButton::RStick, Joycon::PadButton::StickR},
};
if (!params.Has("port")) {
return {};
}
ButtonMapping mapping{};
for (const auto& [switch_button, joycon_button] : switch_to_joycon_button) {
Common::ParamPackage button_params{};
button_params.Set("engine", GetEngineName());
button_params.Set("port", params.Get("port", 0));
button_params.Set("button", static_cast<int>(joycon_button));
mapping.insert_or_assign(switch_button, std::move(button_params));
}
return mapping;
}
AnalogMapping Joycons::GetAnalogMappingForDevice(const Common::ParamPackage& params) {
if (!params.Has("port")) {
return {};
}
AnalogMapping mapping = {};
Common::ParamPackage left_analog_params;
left_analog_params.Set("engine", GetEngineName());
left_analog_params.Set("port", params.Get("port", 0));
left_analog_params.Set("axis_x", static_cast<int>(Joycon::PadAxes::LeftStickX));
left_analog_params.Set("axis_y", static_cast<int>(Joycon::PadAxes::LeftStickY));
mapping.insert_or_assign(Settings::NativeAnalog::LStick, std::move(left_analog_params));
Common::ParamPackage right_analog_params;
right_analog_params.Set("engine", GetEngineName());
right_analog_params.Set("port", params.Get("port", 0));
right_analog_params.Set("axis_x", static_cast<int>(Joycon::PadAxes::RightStickX));
right_analog_params.Set("axis_y", static_cast<int>(Joycon::PadAxes::RightStickY));
mapping.insert_or_assign(Settings::NativeAnalog::RStick, std::move(right_analog_params));
return mapping;
}
MotionMapping Joycons::GetMotionMappingForDevice(const Common::ParamPackage& params) {
if (!params.Has("port")) {
return {};
}
MotionMapping mapping = {};
Common::ParamPackage left_motion_params;
left_motion_params.Set("engine", GetEngineName());
left_motion_params.Set("port", params.Get("port", 0));
left_motion_params.Set("motion", 0);
mapping.insert_or_assign(Settings::NativeMotion::MotionLeft, std::move(left_motion_params));
Common::ParamPackage right_Motion_params;
right_Motion_params.Set("engine", GetEngineName());
right_Motion_params.Set("port", params.Get("port", 0));
right_Motion_params.Set("motion", 1);
mapping.insert_or_assign(Settings::NativeMotion::MotionRight, std::move(right_Motion_params));
return mapping;
}
Common::Input::ButtonNames Joycons::GetUIButtonName(const Common::ParamPackage& params) const {
const auto button = static_cast<Joycon::PadButton>(params.Get("button", 0));
switch (button) {
case Joycon::PadButton::Left:
return Common::Input::ButtonNames::ButtonLeft;
case Joycon::PadButton::Right:
return Common::Input::ButtonNames::ButtonRight;
case Joycon::PadButton::Down:
return Common::Input::ButtonNames::ButtonDown;
case Joycon::PadButton::Up:
return Common::Input::ButtonNames::ButtonUp;
case Joycon::PadButton::LeftSL:
case Joycon::PadButton::RightSL:
return Common::Input::ButtonNames::TriggerSL;
case Joycon::PadButton::LeftSR:
case Joycon::PadButton::RightSR:
return Common::Input::ButtonNames::TriggerSR;
case Joycon::PadButton::L:
return Common::Input::ButtonNames::TriggerL;
case Joycon::PadButton::R:
return Common::Input::ButtonNames::TriggerR;
case Joycon::PadButton::ZL:
return Common::Input::ButtonNames::TriggerZL;
case Joycon::PadButton::ZR:
return Common::Input::ButtonNames::TriggerZR;
case Joycon::PadButton::A:
return Common::Input::ButtonNames::ButtonA;
case Joycon::PadButton::B:
return Common::Input::ButtonNames::ButtonB;
case Joycon::PadButton::X:
return Common::Input::ButtonNames::ButtonX;
case Joycon::PadButton::Y:
return Common::Input::ButtonNames::ButtonY;
case Joycon::PadButton::Plus:
return Common::Input::ButtonNames::ButtonPlus;
case Joycon::PadButton::Minus:
return Common::Input::ButtonNames::ButtonMinus;
case Joycon::PadButton::Home:
return Common::Input::ButtonNames::ButtonHome;
case Joycon::PadButton::Capture:
return Common::Input::ButtonNames::ButtonCapture;
case Joycon::PadButton::StickL:
return Common::Input::ButtonNames::ButtonStickL;
case Joycon::PadButton::StickR:
return Common::Input::ButtonNames::ButtonStickR;
default:
return Common::Input::ButtonNames::Undefined;
}
}
Common::Input::ButtonNames Joycons::GetUIName(const Common::ParamPackage& params) const {
if (params.Has("button")) {
return GetUIButtonName(params);
}
if (params.Has("axis")) {
return Common::Input::ButtonNames::Value;
}
if (params.Has("motion")) {
return Common::Input::ButtonNames::Engine;
}
return Common::Input::ButtonNames::Invalid;
}
std::string Joycons::JoyconName(Joycon::ControllerType type) const {
switch (type) {
case Joycon::ControllerType::Left:
return "Left Joycon";
case Joycon::ControllerType::Right:
return "Right Joycon";
case Joycon::ControllerType::Pro:
return "Pro Controller";
case Joycon::ControllerType::Grip:
return "Grip Controller";
default:
return "Unknow Joycon";
}
}
} // namespace InputCommon
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