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-rw-r--r--src/input_common/helpers/joycon_driver.cpp575
-rw-r--r--src/input_common/helpers/joycon_driver.h150
-rw-r--r--src/input_common/helpers/joycon_protocol/calibration.cpp184
-rw-r--r--src/input_common/helpers/joycon_protocol/calibration.h64
-rw-r--r--src/input_common/helpers/joycon_protocol/common_protocol.cpp299
-rw-r--r--src/input_common/helpers/joycon_protocol/common_protocol.h173
-rw-r--r--src/input_common/helpers/joycon_protocol/generic_functions.cpp136
-rw-r--r--src/input_common/helpers/joycon_protocol/generic_functions.h114
-rw-r--r--src/input_common/helpers/joycon_protocol/irs.cpp298
-rw-r--r--src/input_common/helpers/joycon_protocol/irs.h63
-rw-r--r--src/input_common/helpers/joycon_protocol/joycon_types.h613
-rw-r--r--src/input_common/helpers/joycon_protocol/nfc.cpp400
-rw-r--r--src/input_common/helpers/joycon_protocol/nfc.h61
-rw-r--r--src/input_common/helpers/joycon_protocol/poller.cpp341
-rw-r--r--src/input_common/helpers/joycon_protocol/poller.h81
-rw-r--r--src/input_common/helpers/joycon_protocol/ringcon.cpp117
-rw-r--r--src/input_common/helpers/joycon_protocol/ringcon.h38
-rw-r--r--src/input_common/helpers/joycon_protocol/rumble.cpp299
-rw-r--r--src/input_common/helpers/joycon_protocol/rumble.h33
-rw-r--r--src/input_common/helpers/stick_from_buttons.cpp9
20 files changed, 4046 insertions, 2 deletions
diff --git a/src/input_common/helpers/joycon_driver.cpp b/src/input_common/helpers/joycon_driver.cpp
new file mode 100644
index 000000000..3775e2d35
--- /dev/null
+++ b/src/input_common/helpers/joycon_driver.cpp
@@ -0,0 +1,575 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "common/swap.h"
+#include "common/thread.h"
+#include "input_common/helpers/joycon_driver.h"
+#include "input_common/helpers/joycon_protocol/calibration.h"
+#include "input_common/helpers/joycon_protocol/generic_functions.h"
+#include "input_common/helpers/joycon_protocol/irs.h"
+#include "input_common/helpers/joycon_protocol/nfc.h"
+#include "input_common/helpers/joycon_protocol/poller.h"
+#include "input_common/helpers/joycon_protocol/ringcon.h"
+#include "input_common/helpers/joycon_protocol/rumble.h"
+
+namespace InputCommon::Joycon {
+JoyconDriver::JoyconDriver(std::size_t port_) : port{port_} {
+ hidapi_handle = std::make_shared<JoyconHandle>();
+}
+
+JoyconDriver::~JoyconDriver() {
+ Stop();
+}
+
+void JoyconDriver::Stop() {
+ is_connected = false;
+ input_thread = {};
+}
+
+DriverResult JoyconDriver::RequestDeviceAccess(SDL_hid_device_info* device_info) {
+ std::scoped_lock lock{mutex};
+
+ handle_device_type = ControllerType::None;
+ GetDeviceType(device_info, handle_device_type);
+ if (handle_device_type == ControllerType::None) {
+ return DriverResult::UnsupportedControllerType;
+ }
+
+ hidapi_handle->handle =
+ SDL_hid_open(device_info->vendor_id, device_info->product_id, device_info->serial_number);
+ std::memcpy(&handle_serial_number, device_info->serial_number, 15);
+ if (!hidapi_handle->handle) {
+ LOG_ERROR(Input, "Yuzu can't gain access to this device: ID {:04X}:{:04X}.",
+ device_info->vendor_id, device_info->product_id);
+ return DriverResult::HandleInUse;
+ }
+ SDL_hid_set_nonblocking(hidapi_handle->handle, 1);
+ return DriverResult::Success;
+}
+
+DriverResult JoyconDriver::InitializeDevice() {
+ if (!hidapi_handle->handle) {
+ return DriverResult::InvalidHandle;
+ }
+ std::scoped_lock lock{mutex};
+ disable_input_thread = true;
+
+ // Reset Counters
+ error_counter = 0;
+ hidapi_handle->packet_counter = 0;
+
+ // Reset external device status
+ starlink_connected = false;
+ ring_connected = false;
+ amiibo_detected = false;
+
+ // Set HW default configuration
+ vibration_enabled = true;
+ motion_enabled = true;
+ hidbus_enabled = false;
+ nfc_enabled = false;
+ passive_enabled = false;
+ irs_enabled = false;
+ gyro_sensitivity = Joycon::GyroSensitivity::DPS2000;
+ gyro_performance = Joycon::GyroPerformance::HZ833;
+ accelerometer_sensitivity = Joycon::AccelerometerSensitivity::G8;
+ accelerometer_performance = Joycon::AccelerometerPerformance::HZ100;
+
+ // Initialize HW Protocols
+ calibration_protocol = std::make_unique<CalibrationProtocol>(hidapi_handle);
+ generic_protocol = std::make_unique<GenericProtocol>(hidapi_handle);
+ irs_protocol = std::make_unique<IrsProtocol>(hidapi_handle);
+ nfc_protocol = std::make_unique<NfcProtocol>(hidapi_handle);
+ ring_protocol = std::make_unique<RingConProtocol>(hidapi_handle);
+ rumble_protocol = std::make_unique<RumbleProtocol>(hidapi_handle);
+
+ // Get fixed joycon info
+ generic_protocol->GetVersionNumber(version);
+ generic_protocol->SetLowPowerMode(false);
+ generic_protocol->GetColor(color);
+ if (handle_device_type == ControllerType::Pro) {
+ // Some 3rd party controllers aren't pro controllers
+ generic_protocol->GetControllerType(device_type);
+ } else {
+ device_type = handle_device_type;
+ }
+ generic_protocol->GetSerialNumber(serial_number);
+ supported_features = GetSupportedFeatures();
+
+ // Get Calibration data
+ calibration_protocol->GetLeftJoyStickCalibration(left_stick_calibration);
+ calibration_protocol->GetRightJoyStickCalibration(right_stick_calibration);
+ calibration_protocol->GetImuCalibration(motion_calibration);
+
+ // Set led status
+ generic_protocol->SetLedBlinkPattern(static_cast<u8>(1 + port));
+
+ // Apply HW configuration
+ SetPollingMode();
+
+ // Initialize joycon poller
+ joycon_poller = std::make_unique<JoyconPoller>(device_type, left_stick_calibration,
+ right_stick_calibration, motion_calibration);
+
+ // Start pooling for data
+ is_connected = true;
+ if (!input_thread_running) {
+ input_thread =
+ std::jthread([this](std::stop_token stop_token) { InputThread(stop_token); });
+ }
+
+ disable_input_thread = false;
+ return DriverResult::Success;
+}
+
+void JoyconDriver::InputThread(std::stop_token stop_token) {
+ LOG_INFO(Input, "Joycon Adapter input thread started");
+ Common::SetCurrentThreadName("JoyconInput");
+ input_thread_running = true;
+
+ // Max update rate is 5ms, ensure we are always able to read a bit faster
+ constexpr int ThreadDelay = 2;
+ std::vector<u8> buffer(MaxBufferSize);
+
+ while (!stop_token.stop_requested()) {
+ int status = 0;
+
+ if (!IsInputThreadValid()) {
+ input_thread.request_stop();
+ continue;
+ }
+
+ // By disabling the input thread we can ensure custom commands will succeed as no package is
+ // skipped
+ if (!disable_input_thread) {
+ status = SDL_hid_read_timeout(hidapi_handle->handle, buffer.data(), buffer.size(),
+ ThreadDelay);
+ } else {
+ std::this_thread::sleep_for(std::chrono::milliseconds(ThreadDelay));
+ }
+
+ if (IsPayloadCorrect(status, buffer)) {
+ OnNewData(buffer);
+ }
+
+ std::this_thread::yield();
+ }
+
+ is_connected = false;
+ input_thread_running = false;
+ LOG_INFO(Input, "Joycon Adapter input thread stopped");
+}
+
+void JoyconDriver::OnNewData(std::span<u8> buffer) {
+ const auto report_mode = static_cast<InputReport>(buffer[0]);
+
+ // Packages can be a litte bit inconsistent. Average the delta time to provide a smoother motion
+ // experience
+ switch (report_mode) {
+ case InputReport::STANDARD_FULL_60HZ:
+ case InputReport::NFC_IR_MODE_60HZ:
+ case InputReport::SIMPLE_HID_MODE: {
+ const auto now = std::chrono::steady_clock::now();
+ const auto new_delta_time = static_cast<u64>(
+ std::chrono::duration_cast<std::chrono::microseconds>(now - last_update).count());
+ delta_time = ((delta_time * 8) + (new_delta_time * 2)) / 10;
+ last_update = now;
+ joycon_poller->UpdateColor(color);
+ break;
+ }
+ default:
+ break;
+ }
+
+ const MotionStatus motion_status{
+ .is_enabled = motion_enabled,
+ .delta_time = delta_time,
+ .gyro_sensitivity = gyro_sensitivity,
+ .accelerometer_sensitivity = accelerometer_sensitivity,
+ };
+
+ // TODO: Remove this when calibration is properly loaded and not calculated
+ if (ring_connected && report_mode == InputReport::STANDARD_FULL_60HZ) {
+ InputReportActive data{};
+ memcpy(&data, buffer.data(), sizeof(InputReportActive));
+ calibration_protocol->GetRingCalibration(ring_calibration, data.ring_input);
+ }
+
+ const RingStatus ring_status{
+ .is_enabled = ring_connected,
+ .default_value = ring_calibration.default_value,
+ .max_value = ring_calibration.max_value,
+ .min_value = ring_calibration.min_value,
+ };
+
+ if (irs_protocol->IsEnabled()) {
+ irs_protocol->RequestImage(buffer);
+ joycon_poller->UpdateCamera(irs_protocol->GetImage(), irs_protocol->GetIrsFormat());
+ }
+
+ if (nfc_protocol->IsEnabled()) {
+ if (amiibo_detected) {
+ if (!nfc_protocol->HasAmiibo()) {
+ joycon_poller->UpdateAmiibo({});
+ amiibo_detected = false;
+ return;
+ }
+ }
+
+ if (!amiibo_detected) {
+ std::vector<u8> data(0x21C);
+ const auto result = nfc_protocol->ScanAmiibo(data);
+ if (result == DriverResult::Success) {
+ joycon_poller->UpdateAmiibo(data);
+ amiibo_detected = true;
+ }
+ }
+ }
+
+ switch (report_mode) {
+ case InputReport::STANDARD_FULL_60HZ:
+ joycon_poller->ReadActiveMode(buffer, motion_status, ring_status);
+ break;
+ case InputReport::NFC_IR_MODE_60HZ:
+ joycon_poller->ReadNfcIRMode(buffer, motion_status);
+ break;
+ case InputReport::SIMPLE_HID_MODE:
+ joycon_poller->ReadPassiveMode(buffer);
+ break;
+ case InputReport::SUBCMD_REPLY:
+ LOG_DEBUG(Input, "Unhandled command reply");
+ break;
+ default:
+ LOG_ERROR(Input, "Report mode not Implemented {}", report_mode);
+ break;
+ }
+}
+
+DriverResult JoyconDriver::SetPollingMode() {
+ disable_input_thread = true;
+
+ rumble_protocol->EnableRumble(vibration_enabled && supported_features.vibration);
+
+ if (motion_enabled && supported_features.motion) {
+ generic_protocol->EnableImu(true);
+ generic_protocol->SetImuConfig(gyro_sensitivity, gyro_performance,
+ accelerometer_sensitivity, accelerometer_performance);
+ } else {
+ generic_protocol->EnableImu(false);
+ }
+
+ if (irs_protocol->IsEnabled()) {
+ irs_protocol->DisableIrs();
+ }
+
+ if (nfc_protocol->IsEnabled()) {
+ amiibo_detected = false;
+ nfc_protocol->DisableNfc();
+ }
+
+ if (ring_protocol->IsEnabled()) {
+ ring_connected = false;
+ ring_protocol->DisableRingCon();
+ }
+
+ if (irs_enabled && supported_features.irs) {
+ auto result = irs_protocol->EnableIrs();
+ if (result == DriverResult::Success) {
+ disable_input_thread = false;
+ return result;
+ }
+ irs_protocol->DisableIrs();
+ LOG_ERROR(Input, "Error enabling IRS");
+ }
+
+ if (nfc_enabled && supported_features.nfc) {
+ auto result = nfc_protocol->EnableNfc();
+ if (result == DriverResult::Success) {
+ result = nfc_protocol->StartNFCPollingMode();
+ }
+ if (result == DriverResult::Success) {
+ disable_input_thread = false;
+ return result;
+ }
+ nfc_protocol->DisableNfc();
+ LOG_ERROR(Input, "Error enabling NFC");
+ }
+
+ if (hidbus_enabled && supported_features.hidbus) {
+ auto result = ring_protocol->EnableRingCon();
+ if (result == DriverResult::Success) {
+ result = ring_protocol->StartRingconPolling();
+ }
+ if (result == DriverResult::Success) {
+ ring_connected = true;
+ disable_input_thread = false;
+ return result;
+ }
+ ring_connected = false;
+ ring_protocol->DisableRingCon();
+ LOG_ERROR(Input, "Error enabling Ringcon");
+ }
+
+ if (passive_enabled && supported_features.passive) {
+ const auto result = generic_protocol->EnablePassiveMode();
+ if (result == DriverResult::Success) {
+ disable_input_thread = false;
+ return result;
+ }
+ LOG_ERROR(Input, "Error enabling passive mode");
+ }
+
+ // Default Mode
+ const auto result = generic_protocol->EnableActiveMode();
+ if (result != DriverResult::Success) {
+ LOG_ERROR(Input, "Error enabling active mode");
+ }
+ // Switch calls this function after enabling active mode
+ generic_protocol->TriggersElapsed();
+
+ disable_input_thread = false;
+ return result;
+}
+
+JoyconDriver::SupportedFeatures JoyconDriver::GetSupportedFeatures() {
+ SupportedFeatures features{
+ .passive = true,
+ .motion = true,
+ .vibration = true,
+ };
+
+ if (device_type == ControllerType::Right) {
+ features.nfc = true;
+ features.irs = true;
+ features.hidbus = true;
+ }
+
+ if (device_type == ControllerType::Pro) {
+ features.nfc = true;
+ }
+ return features;
+}
+
+bool JoyconDriver::IsInputThreadValid() const {
+ if (!is_connected.load()) {
+ return false;
+ }
+ if (hidapi_handle->handle == nullptr) {
+ return false;
+ }
+ // Controller is not responding. Terminate connection
+ if (error_counter > MaxErrorCount) {
+ return false;
+ }
+ return true;
+}
+
+bool JoyconDriver::IsPayloadCorrect(int status, std::span<const u8> buffer) {
+ if (status <= -1) {
+ error_counter++;
+ return false;
+ }
+ // There's no new data
+ if (status == 0) {
+ return false;
+ }
+ // No reply ever starts with zero
+ if (buffer[0] == 0x00) {
+ error_counter++;
+ return false;
+ }
+ error_counter = 0;
+ return true;
+}
+
+DriverResult JoyconDriver::SetVibration(const VibrationValue& vibration) {
+ std::scoped_lock lock{mutex};
+ if (disable_input_thread) {
+ return DriverResult::HandleInUse;
+ }
+ return rumble_protocol->SendVibration(vibration);
+}
+
+DriverResult JoyconDriver::SetLedConfig(u8 led_pattern) {
+ std::scoped_lock lock{mutex};
+ if (disable_input_thread) {
+ return DriverResult::HandleInUse;
+ }
+ return generic_protocol->SetLedPattern(led_pattern);
+}
+
+DriverResult JoyconDriver::SetIrsConfig(IrsMode mode_, IrsResolution format_) {
+ std::scoped_lock lock{mutex};
+ if (disable_input_thread) {
+ return DriverResult::HandleInUse;
+ }
+ disable_input_thread = true;
+ const auto result = irs_protocol->SetIrsConfig(mode_, format_);
+ disable_input_thread = false;
+ return result;
+}
+
+DriverResult JoyconDriver::SetPasiveMode() {
+ std::scoped_lock lock{mutex};
+ motion_enabled = false;
+ hidbus_enabled = false;
+ nfc_enabled = false;
+ passive_enabled = true;
+ irs_enabled = false;
+ return SetPollingMode();
+}
+
+DriverResult JoyconDriver::SetActiveMode() {
+ if (is_ring_disabled_by_irs) {
+ is_ring_disabled_by_irs = false;
+ SetActiveMode();
+ return SetRingConMode();
+ }
+
+ std::scoped_lock lock{mutex};
+ motion_enabled = true;
+ hidbus_enabled = false;
+ nfc_enabled = false;
+ passive_enabled = false;
+ irs_enabled = false;
+ return SetPollingMode();
+}
+
+DriverResult JoyconDriver::SetIrMode() {
+ std::scoped_lock lock{mutex};
+
+ if (!supported_features.irs) {
+ return DriverResult::NotSupported;
+ }
+
+ if (ring_connected) {
+ is_ring_disabled_by_irs = true;
+ }
+
+ motion_enabled = false;
+ hidbus_enabled = false;
+ nfc_enabled = false;
+ passive_enabled = false;
+ irs_enabled = true;
+ return SetPollingMode();
+}
+
+DriverResult JoyconDriver::SetNfcMode() {
+ std::scoped_lock lock{mutex};
+
+ if (!supported_features.nfc) {
+ return DriverResult::NotSupported;
+ }
+
+ motion_enabled = true;
+ hidbus_enabled = false;
+ nfc_enabled = true;
+ passive_enabled = false;
+ irs_enabled = false;
+ return SetPollingMode();
+}
+
+DriverResult JoyconDriver::SetRingConMode() {
+ std::scoped_lock lock{mutex};
+
+ if (!supported_features.hidbus) {
+ return DriverResult::NotSupported;
+ }
+
+ motion_enabled = true;
+ hidbus_enabled = true;
+ nfc_enabled = false;
+ passive_enabled = false;
+ irs_enabled = false;
+
+ const auto result = SetPollingMode();
+
+ if (!ring_connected) {
+ return DriverResult::NoDeviceDetected;
+ }
+
+ return result;
+}
+
+bool JoyconDriver::IsConnected() const {
+ std::scoped_lock lock{mutex};
+ return is_connected.load();
+}
+
+bool JoyconDriver::IsVibrationEnabled() const {
+ std::scoped_lock lock{mutex};
+ return vibration_enabled;
+}
+
+FirmwareVersion JoyconDriver::GetDeviceVersion() const {
+ std::scoped_lock lock{mutex};
+ return version;
+}
+
+Color JoyconDriver::GetDeviceColor() const {
+ std::scoped_lock lock{mutex};
+ return color;
+}
+
+std::size_t JoyconDriver::GetDevicePort() const {
+ std::scoped_lock lock{mutex};
+ return port;
+}
+
+ControllerType JoyconDriver::GetDeviceType() const {
+ std::scoped_lock lock{mutex};
+ return device_type;
+}
+
+ControllerType JoyconDriver::GetHandleDeviceType() const {
+ std::scoped_lock lock{mutex};
+ return handle_device_type;
+}
+
+SerialNumber JoyconDriver::GetSerialNumber() const {
+ std::scoped_lock lock{mutex};
+ return serial_number;
+}
+
+SerialNumber JoyconDriver::GetHandleSerialNumber() const {
+ std::scoped_lock lock{mutex};
+ return handle_serial_number;
+}
+
+void JoyconDriver::SetCallbacks(const JoyconCallbacks& callbacks) {
+ joycon_poller->SetCallbacks(callbacks);
+}
+
+DriverResult JoyconDriver::GetDeviceType(SDL_hid_device_info* device_info,
+ ControllerType& controller_type) {
+ static constexpr std::array<std::pair<u32, ControllerType>, 2> supported_devices{
+ std::pair<u32, ControllerType>{0x2006, ControllerType::Left},
+ {0x2007, ControllerType::Right},
+ };
+ constexpr u16 nintendo_vendor_id = 0x057e;
+
+ controller_type = ControllerType::None;
+ if (device_info->vendor_id != nintendo_vendor_id) {
+ return DriverResult::UnsupportedControllerType;
+ }
+
+ for (const auto& [product_id, type] : supported_devices) {
+ if (device_info->product_id == static_cast<u16>(product_id)) {
+ controller_type = type;
+ return Joycon::DriverResult::Success;
+ }
+ }
+ return Joycon::DriverResult::UnsupportedControllerType;
+}
+
+DriverResult JoyconDriver::GetSerialNumber(SDL_hid_device_info* device_info,
+ SerialNumber& serial_number) {
+ if (device_info->serial_number == nullptr) {
+ return DriverResult::Unknown;
+ }
+ std::memcpy(&serial_number, device_info->serial_number, 15);
+ return Joycon::DriverResult::Success;
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_driver.h b/src/input_common/helpers/joycon_driver.h
new file mode 100644
index 000000000..c1e189fa5
--- /dev/null
+++ b/src/input_common/helpers/joycon_driver.h
@@ -0,0 +1,150 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <atomic>
+#include <functional>
+#include <mutex>
+#include <span>
+#include <thread>
+
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+class CalibrationProtocol;
+class GenericProtocol;
+class IrsProtocol;
+class NfcProtocol;
+class JoyconPoller;
+class RingConProtocol;
+class RumbleProtocol;
+
+class JoyconDriver final {
+public:
+ explicit JoyconDriver(std::size_t port_);
+
+ ~JoyconDriver();
+
+ DriverResult RequestDeviceAccess(SDL_hid_device_info* device_info);
+ DriverResult InitializeDevice();
+ void Stop();
+
+ bool IsConnected() const;
+ bool IsVibrationEnabled() const;
+
+ FirmwareVersion GetDeviceVersion() const;
+ Color GetDeviceColor() const;
+ std::size_t GetDevicePort() const;
+ ControllerType GetDeviceType() const;
+ ControllerType GetHandleDeviceType() const;
+ SerialNumber GetSerialNumber() const;
+ SerialNumber GetHandleSerialNumber() const;
+
+ DriverResult SetVibration(const VibrationValue& vibration);
+ DriverResult SetLedConfig(u8 led_pattern);
+ DriverResult SetIrsConfig(IrsMode mode_, IrsResolution format_);
+ DriverResult SetPasiveMode();
+ DriverResult SetActiveMode();
+ DriverResult SetIrMode();
+ DriverResult SetNfcMode();
+ DriverResult SetRingConMode();
+
+ void SetCallbacks(const JoyconCallbacks& callbacks);
+
+ // Returns device type from hidapi handle
+ static DriverResult GetDeviceType(SDL_hid_device_info* device_info,
+ ControllerType& controller_type);
+
+ // Returns serial number from hidapi handle
+ static DriverResult GetSerialNumber(SDL_hid_device_info* device_info,
+ SerialNumber& serial_number);
+
+private:
+ struct SupportedFeatures {
+ bool passive{};
+ bool hidbus{};
+ bool irs{};
+ bool motion{};
+ bool nfc{};
+ bool vibration{};
+ };
+
+ /// Main thread, actively request new data from the handle
+ void InputThread(std::stop_token stop_token);
+
+ /// Called everytime a valid package arrives
+ void OnNewData(std::span<u8> buffer);
+
+ /// Updates device configuration to enable or disable features
+ DriverResult SetPollingMode();
+
+ /// Returns true if input thread is valid and doesn't need to be stopped
+ bool IsInputThreadValid() const;
+
+ /// Returns true if the data should be interpreted. Otherwise the error counter is incremented
+ bool IsPayloadCorrect(int status, std::span<const u8> buffer);
+
+ /// Returns a list of supported features that can be enabled on this device
+ SupportedFeatures GetSupportedFeatures();
+
+ // Protocol Features
+ std::unique_ptr<CalibrationProtocol> calibration_protocol;
+ std::unique_ptr<GenericProtocol> generic_protocol;
+ std::unique_ptr<IrsProtocol> irs_protocol;
+ std::unique_ptr<NfcProtocol> nfc_protocol;
+ std::unique_ptr<JoyconPoller> joycon_poller;
+ std::unique_ptr<RingConProtocol> ring_protocol;
+ std::unique_ptr<RumbleProtocol> rumble_protocol;
+
+ // Connection status
+ std::atomic<bool> is_connected{};
+ u64 delta_time;
+ std::size_t error_counter{};
+ std::shared_ptr<JoyconHandle> hidapi_handle;
+ std::chrono::time_point<std::chrono::steady_clock> last_update;
+
+ // External device status
+ bool starlink_connected{};
+ bool ring_connected{};
+ bool amiibo_detected{};
+ bool is_ring_disabled_by_irs{};
+
+ // Harware configuration
+ u8 leds{};
+ ReportMode mode{};
+ bool passive_enabled{}; // Low power mode, Ideal for multiple controllers at the same time
+ bool hidbus_enabled{}; // External device support
+ bool irs_enabled{}; // Infrared camera input
+ bool motion_enabled{}; // Enables motion input
+ bool nfc_enabled{}; // Enables Amiibo detection
+ bool vibration_enabled{}; // Allows vibrations
+
+ // Calibration data
+ GyroSensitivity gyro_sensitivity{};
+ GyroPerformance gyro_performance{};
+ AccelerometerSensitivity accelerometer_sensitivity{};
+ AccelerometerPerformance accelerometer_performance{};
+ JoyStickCalibration left_stick_calibration{};
+ JoyStickCalibration right_stick_calibration{};
+ MotionCalibration motion_calibration{};
+ RingCalibration ring_calibration{};
+
+ // Fixed joycon info
+ FirmwareVersion version{};
+ Color color{};
+ std::size_t port{};
+ ControllerType device_type{}; // Device type reported by controller
+ ControllerType handle_device_type{}; // Device type reported by hidapi
+ SerialNumber serial_number{}; // Serial number reported by controller
+ SerialNumber handle_serial_number{}; // Serial number type reported by hidapi
+ SupportedFeatures supported_features{};
+
+ // Thread related
+ mutable std::mutex mutex;
+ std::jthread input_thread;
+ bool input_thread_running{};
+ bool disable_input_thread{};
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/calibration.cpp b/src/input_common/helpers/joycon_protocol/calibration.cpp
new file mode 100644
index 000000000..f6e7e97d5
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/calibration.cpp
@@ -0,0 +1,184 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <cstring>
+
+#include "input_common/helpers/joycon_protocol/calibration.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+CalibrationProtocol::CalibrationProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(std::move(handle)) {}
+
+DriverResult CalibrationProtocol::GetLeftJoyStickCalibration(JoyStickCalibration& calibration) {
+ ScopedSetBlocking sb(this);
+ std::vector<u8> buffer;
+ DriverResult result{DriverResult::Success};
+ calibration = {};
+
+ result = ReadSPI(CalAddr::USER_LEFT_MAGIC, sizeof(u16), buffer);
+
+ if (result == DriverResult::Success) {
+ const bool has_user_calibration = buffer[0] == 0xB2 && buffer[1] == 0xA1;
+ if (has_user_calibration) {
+ result = ReadSPI(CalAddr::USER_LEFT_DATA, 9, buffer);
+ } else {
+ result = ReadSPI(CalAddr::FACT_LEFT_DATA, 9, buffer);
+ }
+ }
+
+ if (result == DriverResult::Success) {
+ calibration.x.max = static_cast<u16>(((buffer[1] & 0x0F) << 8) | buffer[0]);
+ calibration.y.max = static_cast<u16>((buffer[2] << 4) | (buffer[1] >> 4));
+ calibration.x.center = static_cast<u16>(((buffer[4] & 0x0F) << 8) | buffer[3]);
+ calibration.y.center = static_cast<u16>((buffer[5] << 4) | (buffer[4] >> 4));
+ calibration.x.min = static_cast<u16>(((buffer[7] & 0x0F) << 8) | buffer[6]);
+ calibration.y.min = static_cast<u16>((buffer[8] << 4) | (buffer[7] >> 4));
+ }
+
+ // Nintendo fix for drifting stick
+ // result = ReadSPI(0x60, 0x86 ,buffer, 16);
+ // calibration.deadzone = (u16)((buffer[4] << 8) & 0xF00 | buffer[3]);
+
+ // Set a valid default calibration if data is missing
+ ValidateCalibration(calibration);
+
+ return result;
+}
+
+DriverResult CalibrationProtocol::GetRightJoyStickCalibration(JoyStickCalibration& calibration) {
+ ScopedSetBlocking sb(this);
+ std::vector<u8> buffer;
+ DriverResult result{DriverResult::Success};
+ calibration = {};
+
+ result = ReadSPI(CalAddr::USER_RIGHT_MAGIC, sizeof(u16), buffer);
+
+ if (result == DriverResult::Success) {
+ const bool has_user_calibration = buffer[0] == 0xB2 && buffer[1] == 0xA1;
+ if (has_user_calibration) {
+ result = ReadSPI(CalAddr::USER_RIGHT_DATA, 9, buffer);
+ } else {
+ result = ReadSPI(CalAddr::FACT_RIGHT_DATA, 9, buffer);
+ }
+ }
+
+ if (result == DriverResult::Success) {
+ calibration.x.center = static_cast<u16>(((buffer[1] & 0x0F) << 8) | buffer[0]);
+ calibration.y.center = static_cast<u16>((buffer[2] << 4) | (buffer[1] >> 4));
+ calibration.x.min = static_cast<u16>(((buffer[4] & 0x0F) << 8) | buffer[3]);
+ calibration.y.min = static_cast<u16>((buffer[5] << 4) | (buffer[4] >> 4));
+ calibration.x.max = static_cast<u16>(((buffer[7] & 0x0F) << 8) | buffer[6]);
+ calibration.y.max = static_cast<u16>((buffer[8] << 4) | (buffer[7] >> 4));
+ }
+
+ // Nintendo fix for drifting stick
+ // buffer = ReadSPI(0x60, 0x98 , 16);
+ // joystick.deadzone = (u16)((buffer[4] << 8) & 0xF00 | buffer[3]);
+
+ // Set a valid default calibration if data is missing
+ ValidateCalibration(calibration);
+
+ return result;
+}
+
+DriverResult CalibrationProtocol::GetImuCalibration(MotionCalibration& calibration) {
+ ScopedSetBlocking sb(this);
+ std::vector<u8> buffer;
+ DriverResult result{DriverResult::Success};
+ calibration = {};
+
+ result = ReadSPI(CalAddr::USER_IMU_MAGIC, sizeof(u16), buffer);
+
+ if (result == DriverResult::Success) {
+ const bool has_user_calibration = buffer[0] == 0xB2 && buffer[1] == 0xA1;
+ if (has_user_calibration) {
+ result = ReadSPI(CalAddr::USER_IMU_DATA, sizeof(IMUCalibration), buffer);
+ } else {
+ result = ReadSPI(CalAddr::FACT_IMU_DATA, sizeof(IMUCalibration), buffer);
+ }
+ }
+
+ if (result == DriverResult::Success) {
+ IMUCalibration device_calibration{};
+ memcpy(&device_calibration, buffer.data(), sizeof(IMUCalibration));
+ calibration.accelerometer[0].offset = device_calibration.accelerometer_offset[0];
+ calibration.accelerometer[1].offset = device_calibration.accelerometer_offset[1];
+ calibration.accelerometer[2].offset = device_calibration.accelerometer_offset[2];
+
+ calibration.accelerometer[0].scale = device_calibration.accelerometer_scale[0];
+ calibration.accelerometer[1].scale = device_calibration.accelerometer_scale[1];
+ calibration.accelerometer[2].scale = device_calibration.accelerometer_scale[2];
+
+ calibration.gyro[0].offset = device_calibration.gyroscope_offset[0];
+ calibration.gyro[1].offset = device_calibration.gyroscope_offset[1];
+ calibration.gyro[2].offset = device_calibration.gyroscope_offset[2];
+
+ calibration.gyro[0].scale = device_calibration.gyroscope_scale[0];
+ calibration.gyro[1].scale = device_calibration.gyroscope_scale[1];
+ calibration.gyro[2].scale = device_calibration.gyroscope_scale[2];
+ }
+
+ ValidateCalibration(calibration);
+
+ return result;
+}
+
+DriverResult CalibrationProtocol::GetRingCalibration(RingCalibration& calibration,
+ s16 current_value) {
+ // TODO: Get default calibration form ring itself
+ if (ring_data_max == 0 && ring_data_min == 0) {
+ ring_data_max = current_value + 800;
+ ring_data_min = current_value - 800;
+ ring_data_default = current_value;
+ }
+ ring_data_max = std::max(ring_data_max, current_value);
+ ring_data_min = std::min(ring_data_min, current_value);
+ calibration = {
+ .default_value = ring_data_default,
+ .max_value = ring_data_max,
+ .min_value = ring_data_min,
+ };
+ return DriverResult::Success;
+}
+
+void CalibrationProtocol::ValidateCalibration(JoyStickCalibration& calibration) {
+ constexpr u16 DefaultStickCenter{2048};
+ constexpr u16 DefaultStickRange{1740};
+
+ if (calibration.x.center == 0xFFF || calibration.x.center == 0) {
+ calibration.x.center = DefaultStickCenter;
+ }
+ if (calibration.x.max == 0xFFF || calibration.x.max == 0) {
+ calibration.x.max = DefaultStickRange;
+ }
+ if (calibration.x.min == 0xFFF || calibration.x.min == 0) {
+ calibration.x.min = DefaultStickRange;
+ }
+
+ if (calibration.y.center == 0xFFF || calibration.y.center == 0) {
+ calibration.y.center = DefaultStickCenter;
+ }
+ if (calibration.y.max == 0xFFF || calibration.y.max == 0) {
+ calibration.y.max = DefaultStickRange;
+ }
+ if (calibration.y.min == 0xFFF || calibration.y.min == 0) {
+ calibration.y.min = DefaultStickRange;
+ }
+}
+
+void CalibrationProtocol::ValidateCalibration(MotionCalibration& calibration) {
+ for (auto& sensor : calibration.accelerometer) {
+ if (sensor.scale == 0) {
+ sensor.scale = 0x4000;
+ }
+ }
+ for (auto& sensor : calibration.gyro) {
+ if (sensor.scale == 0) {
+ sensor.scale = 0x3be7;
+ }
+ }
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/calibration.h b/src/input_common/helpers/joycon_protocol/calibration.h
new file mode 100644
index 000000000..afb52a36a
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/calibration.h
@@ -0,0 +1,64 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+
+namespace InputCommon::Joycon {
+enum class DriverResult;
+struct JoyStickCalibration;
+struct IMUCalibration;
+struct JoyconHandle;
+} // namespace InputCommon::Joycon
+
+namespace InputCommon::Joycon {
+
+/// Driver functions related to retrieving calibration data from the device
+class CalibrationProtocol final : private JoyconCommonProtocol {
+public:
+ explicit CalibrationProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ /**
+ * Sends a request to obtain the left stick calibration from memory
+ * @param is_factory_calibration if true factory values will be returned
+ * @returns JoyStickCalibration of the left joystick
+ */
+ DriverResult GetLeftJoyStickCalibration(JoyStickCalibration& calibration);
+
+ /**
+ * Sends a request to obtain the right stick calibration from memory
+ * @param is_factory_calibration if true factory values will be returned
+ * @returns JoyStickCalibration of the right joystick
+ */
+ DriverResult GetRightJoyStickCalibration(JoyStickCalibration& calibration);
+
+ /**
+ * Sends a request to obtain the motion calibration from memory
+ * @returns ImuCalibration of the motion sensor
+ */
+ DriverResult GetImuCalibration(MotionCalibration& calibration);
+
+ /**
+ * Calculates on run time the proper calibration of the ring controller
+ * @returns RingCalibration of the ring sensor
+ */
+ DriverResult GetRingCalibration(RingCalibration& calibration, s16 current_value);
+
+private:
+ void ValidateCalibration(JoyStickCalibration& calibration);
+ void ValidateCalibration(MotionCalibration& calibration);
+
+ s16 ring_data_max = 0;
+ s16 ring_data_default = 0;
+ s16 ring_data_min = 0;
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/common_protocol.cpp b/src/input_common/helpers/joycon_protocol/common_protocol.cpp
new file mode 100644
index 000000000..417d0dcc5
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/common_protocol.cpp
@@ -0,0 +1,299 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+
+namespace InputCommon::Joycon {
+JoyconCommonProtocol::JoyconCommonProtocol(std::shared_ptr<JoyconHandle> hidapi_handle_)
+ : hidapi_handle{std::move(hidapi_handle_)} {}
+
+u8 JoyconCommonProtocol::GetCounter() {
+ hidapi_handle->packet_counter = (hidapi_handle->packet_counter + 1) & 0x0F;
+ return hidapi_handle->packet_counter;
+}
+
+void JoyconCommonProtocol::SetBlocking() {
+ SDL_hid_set_nonblocking(hidapi_handle->handle, 0);
+}
+
+void JoyconCommonProtocol::SetNonBlocking() {
+ SDL_hid_set_nonblocking(hidapi_handle->handle, 1);
+}
+
+DriverResult JoyconCommonProtocol::GetDeviceType(ControllerType& controller_type) {
+ std::vector<u8> buffer;
+ const auto result = ReadSPI(CalAddr::DEVICE_TYPE, 1, buffer);
+ controller_type = ControllerType::None;
+
+ if (result == DriverResult::Success) {
+ controller_type = static_cast<ControllerType>(buffer[0]);
+ // Fallback to 3rd party pro controllers
+ if (controller_type == ControllerType::None) {
+ controller_type = ControllerType::Pro;
+ }
+ }
+
+ return result;
+}
+
+DriverResult JoyconCommonProtocol::CheckDeviceAccess(SDL_hid_device_info* device_info) {
+ ControllerType controller_type{ControllerType::None};
+ const auto result = GetDeviceType(controller_type);
+ if (result != DriverResult::Success || controller_type == ControllerType::None) {
+ return DriverResult::UnsupportedControllerType;
+ }
+
+ hidapi_handle->handle =
+ SDL_hid_open(device_info->vendor_id, device_info->product_id, device_info->serial_number);
+
+ if (!hidapi_handle->handle) {
+ LOG_ERROR(Input, "Yuzu can't gain access to this device: ID {:04X}:{:04X}.",
+ device_info->vendor_id, device_info->product_id);
+ return DriverResult::HandleInUse;
+ }
+
+ SetNonBlocking();
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::SetReportMode(ReportMode report_mode) {
+ const std::array<u8, 1> buffer{static_cast<u8>(report_mode)};
+ return SendSubCommand(SubCommand::SET_REPORT_MODE, buffer);
+}
+
+DriverResult JoyconCommonProtocol::SendData(std::span<const u8> buffer) {
+ const auto result = SDL_hid_write(hidapi_handle->handle, buffer.data(), buffer.size());
+
+ if (result == -1) {
+ return DriverResult::ErrorWritingData;
+ }
+
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::GetSubCommandResponse(SubCommand sc, std::vector<u8>& output) {
+ constexpr int timeout_mili = 66;
+ constexpr int MaxTries = 15;
+ int tries = 0;
+ output.resize(MaxSubCommandResponseSize);
+
+ do {
+ int result = SDL_hid_read_timeout(hidapi_handle->handle, output.data(),
+ MaxSubCommandResponseSize, timeout_mili);
+
+ if (result < 1) {
+ LOG_ERROR(Input, "No response from joycon");
+ }
+ if (tries++ > MaxTries) {
+ return DriverResult::Timeout;
+ }
+ } while (output[0] != 0x21 && output[14] != static_cast<u8>(sc));
+
+ if (output[0] != 0x21 && output[14] != static_cast<u8>(sc)) {
+ return DriverResult::WrongReply;
+ }
+
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::SendSubCommand(SubCommand sc, std::span<const u8> buffer,
+ std::vector<u8>& output) {
+ std::vector<u8> local_buffer(MaxResponseSize);
+
+ local_buffer[0] = static_cast<u8>(OutputReport::RUMBLE_AND_SUBCMD);
+ local_buffer[1] = GetCounter();
+ local_buffer[10] = static_cast<u8>(sc);
+ for (std::size_t i = 0; i < buffer.size(); ++i) {
+ local_buffer[11 + i] = buffer[i];
+ }
+
+ auto result = SendData(local_buffer);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ result = GetSubCommandResponse(sc, output);
+
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::SendSubCommand(SubCommand sc, std::span<const u8> buffer) {
+ std::vector<u8> output;
+ return SendSubCommand(sc, buffer, output);
+}
+
+DriverResult JoyconCommonProtocol::SendMCUCommand(SubCommand sc, std::span<const u8> buffer) {
+ std::vector<u8> local_buffer(MaxResponseSize);
+
+ local_buffer[0] = static_cast<u8>(OutputReport::MCU_DATA);
+ local_buffer[1] = GetCounter();
+ local_buffer[10] = static_cast<u8>(sc);
+ for (std::size_t i = 0; i < buffer.size(); ++i) {
+ local_buffer[11 + i] = buffer[i];
+ }
+
+ return SendData(local_buffer);
+}
+
+DriverResult JoyconCommonProtocol::SendVibrationReport(std::span<const u8> buffer) {
+ std::vector<u8> local_buffer(MaxResponseSize);
+
+ local_buffer[0] = static_cast<u8>(Joycon::OutputReport::RUMBLE_ONLY);
+ local_buffer[1] = GetCounter();
+
+ memcpy(local_buffer.data() + 2, buffer.data(), buffer.size());
+
+ return SendData(local_buffer);
+}
+
+DriverResult JoyconCommonProtocol::ReadSPI(CalAddr addr, u8 size, std::vector<u8>& output) {
+ constexpr std::size_t MaxTries = 10;
+ std::size_t tries = 0;
+ std::array<u8, 5> buffer = {0x00, 0x00, 0x00, 0x00, size};
+ std::vector<u8> local_buffer(size + 20);
+
+ buffer[0] = static_cast<u8>(static_cast<u16>(addr) & 0x00FF);
+ buffer[1] = static_cast<u8>((static_cast<u16>(addr) & 0xFF00) >> 8);
+ do {
+ const auto result = SendSubCommand(SubCommand::SPI_FLASH_READ, buffer, local_buffer);
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ if (tries++ > MaxTries) {
+ return DriverResult::Timeout;
+ }
+ } while (local_buffer[15] != buffer[0] || local_buffer[16] != buffer[1]);
+
+ // Remove header from output
+ output = std::vector<u8>(local_buffer.begin() + 20, local_buffer.begin() + 20 + size);
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::EnableMCU(bool enable) {
+ const std::array<u8, 1> mcu_state{static_cast<u8>(enable ? 1 : 0)};
+ const auto result = SendSubCommand(SubCommand::SET_MCU_STATE, mcu_state);
+
+ if (result != DriverResult::Success) {
+ LOG_ERROR(Input, "SendMCUData failed with error {}", result);
+ }
+
+ return result;
+}
+
+DriverResult JoyconCommonProtocol::ConfigureMCU(const MCUConfig& config) {
+ LOG_DEBUG(Input, "ConfigureMCU");
+ std::array<u8, sizeof(MCUConfig)> config_buffer;
+ memcpy(config_buffer.data(), &config, sizeof(MCUConfig));
+ config_buffer[37] = CalculateMCU_CRC8(config_buffer.data() + 1, 36);
+
+ const auto result = SendSubCommand(SubCommand::SET_MCU_CONFIG, config_buffer);
+
+ if (result != DriverResult::Success) {
+ LOG_ERROR(Input, "Set MCU config failed with error {}", result);
+ }
+
+ return result;
+}
+
+DriverResult JoyconCommonProtocol::GetMCUDataResponse(ReportMode report_mode_,
+ std::vector<u8>& output) {
+ const int report_mode = static_cast<u8>(report_mode_);
+ constexpr int TimeoutMili = 200;
+ constexpr int MaxTries = 9;
+ int tries = 0;
+ output.resize(0x170);
+
+ do {
+ int result = SDL_hid_read_timeout(hidapi_handle->handle, output.data(), 0x170, TimeoutMili);
+
+ if (result < 1) {
+ LOG_ERROR(Input, "No response from joycon attempt {}", tries);
+ }
+ if (tries++ > MaxTries) {
+ return DriverResult::Timeout;
+ }
+ } while (output[0] != report_mode || output[49] == 0xFF);
+
+ if (output[0] != report_mode || output[49] == 0xFF) {
+ return DriverResult::WrongReply;
+ }
+
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::SendMCUData(ReportMode report_mode, SubCommand sc,
+ std::span<const u8> buffer,
+ std::vector<u8>& output) {
+ std::vector<u8> local_buffer(MaxResponseSize);
+
+ local_buffer[0] = static_cast<u8>(OutputReport::MCU_DATA);
+ local_buffer[1] = GetCounter();
+ local_buffer[9] = static_cast<u8>(sc);
+ for (std::size_t i = 0; i < buffer.size(); ++i) {
+ local_buffer[10 + i] = buffer[i];
+ }
+
+ auto result = SendData(local_buffer);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ result = GetMCUDataResponse(report_mode, output);
+
+ return DriverResult::Success;
+}
+
+DriverResult JoyconCommonProtocol::WaitSetMCUMode(ReportMode report_mode, MCUMode mode) {
+ std::vector<u8> output;
+ constexpr std::size_t MaxTries{8};
+ std::size_t tries{};
+
+ do {
+ const std::vector<u8> mcu_data{static_cast<u8>(MCUMode::Standby)};
+ const auto result = SendMCUData(report_mode, SubCommand::STATE, mcu_data, output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ if (tries++ > MaxTries) {
+ return DriverResult::WrongReply;
+ }
+ } while (output[49] != 1 || output[56] != static_cast<u8>(mode));
+
+ return DriverResult::Success;
+}
+
+// crc-8-ccitt / polynomial 0x07 look up table
+constexpr std::array<u8, 256> mcu_crc8_table = {
+ 0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
+ 0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
+ 0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
+ 0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
+ 0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
+ 0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
+ 0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
+ 0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
+ 0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
+ 0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
+ 0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
+ 0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
+ 0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
+ 0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
+ 0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
+ 0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3};
+
+u8 JoyconCommonProtocol::CalculateMCU_CRC8(u8* buffer, u8 size) const {
+ u8 crc8 = 0x0;
+
+ for (int i = 0; i < size; ++i) {
+ crc8 = mcu_crc8_table[static_cast<u8>(crc8 ^ buffer[i])];
+ }
+ return crc8;
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/common_protocol.h b/src/input_common/helpers/joycon_protocol/common_protocol.h
new file mode 100644
index 000000000..903bcf402
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/common_protocol.h
@@ -0,0 +1,173 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <memory>
+#include <span>
+#include <vector>
+
+#include "common/common_types.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+/// Joycon driver functions that handle low level communication
+class JoyconCommonProtocol {
+public:
+ explicit JoyconCommonProtocol(std::shared_ptr<JoyconHandle> hidapi_handle_);
+
+ /**
+ * Sets handle to blocking. In blocking mode, SDL_hid_read() will wait (block) until there is
+ * data to read before returning.
+ */
+ void SetBlocking();
+
+ /**
+ * Sets handle to non blocking. In non-blocking mode calls to SDL_hid_read() will return
+ * immediately with a value of 0 if there is no data to be read
+ */
+ void SetNonBlocking();
+
+ /**
+ * Sends a request to obtain the joycon type from device
+ * @returns controller type of the joycon
+ */
+ DriverResult GetDeviceType(ControllerType& controller_type);
+
+ /**
+ * Verifies and sets the joycon_handle if device is valid
+ * @param device info from the driver
+ * @returns success if the device is valid
+ */
+ DriverResult CheckDeviceAccess(SDL_hid_device_info* device);
+
+ /**
+ * Sends a request to set the polling mode of the joycon
+ * @param report_mode polling mode to be set
+ */
+ DriverResult SetReportMode(Joycon::ReportMode report_mode);
+
+ /**
+ * Sends data to the joycon device
+ * @param buffer data to be send
+ */
+ DriverResult SendData(std::span<const u8> buffer);
+
+ /**
+ * Waits for incoming data of the joycon device that matchs the subcommand
+ * @param sub_command type of data to be returned
+ * @returns a buffer containing the responce
+ */
+ DriverResult GetSubCommandResponse(SubCommand sub_command, std::vector<u8>& output);
+
+ /**
+ * Sends a sub command to the device and waits for it's reply
+ * @param sc sub command to be send
+ * @param buffer data to be send
+ * @returns output buffer containing the responce
+ */
+ DriverResult SendSubCommand(SubCommand sc, std::span<const u8> buffer, std::vector<u8>& output);
+
+ /**
+ * Sends a sub command to the device and waits for it's reply and ignores the output
+ * @param sc sub command to be send
+ * @param buffer data to be send
+ */
+ DriverResult SendSubCommand(SubCommand sc, std::span<const u8> buffer);
+
+ /**
+ * Sends a mcu command to the device
+ * @param sc sub command to be send
+ * @param buffer data to be send
+ */
+ DriverResult SendMCUCommand(SubCommand sc, std::span<const u8> buffer);
+
+ /**
+ * Sends vibration data to the joycon
+ * @param buffer data to be send
+ */
+ DriverResult SendVibrationReport(std::span<const u8> buffer);
+
+ /**
+ * Reads the SPI memory stored on the joycon
+ * @param Initial address location
+ * @param size in bytes to be read
+ * @returns output buffer containing the responce
+ */
+ DriverResult ReadSPI(CalAddr addr, u8 size, std::vector<u8>& output);
+
+ /**
+ * Enables MCU chip on the joycon
+ * @param enable if true the chip will be enabled
+ */
+ DriverResult EnableMCU(bool enable);
+
+ /**
+ * Configures the MCU to the correspoinding mode
+ * @param MCUConfig configuration
+ */
+ DriverResult ConfigureMCU(const MCUConfig& config);
+
+ /**
+ * Waits until there's MCU data available. On timeout returns error
+ * @param report mode of the expected reply
+ * @returns a buffer containing the responce
+ */
+ DriverResult GetMCUDataResponse(ReportMode report_mode_, std::vector<u8>& output);
+
+ /**
+ * Sends data to the MCU chip and waits for it's reply
+ * @param report mode of the expected reply
+ * @param sub command to be send
+ * @param buffer data to be send
+ * @returns output buffer containing the responce
+ */
+ DriverResult SendMCUData(ReportMode report_mode, SubCommand sc, std::span<const u8> buffer,
+ std::vector<u8>& output);
+
+ /**
+ * Wait's until the MCU chip is on the specified mode
+ * @param report mode of the expected reply
+ * @param MCUMode configuration
+ */
+ DriverResult WaitSetMCUMode(ReportMode report_mode, MCUMode mode);
+
+ /**
+ * Calculates the checksum from the MCU data
+ * @param buffer containing the data to be send
+ * @param size of the buffer in bytes
+ * @returns byte with the correct checksum
+ */
+ u8 CalculateMCU_CRC8(u8* buffer, u8 size) const;
+
+private:
+ /**
+ * Increments and returns the packet counter of the handle
+ * @param joycon_handle device to send the data
+ * @returns packet counter value
+ */
+ u8 GetCounter();
+
+ std::shared_ptr<JoyconHandle> hidapi_handle;
+};
+
+class ScopedSetBlocking {
+public:
+ explicit ScopedSetBlocking(JoyconCommonProtocol* self) : m_self{self} {
+ m_self->SetBlocking();
+ }
+
+ ~ScopedSetBlocking() {
+ m_self->SetNonBlocking();
+ }
+
+private:
+ JoyconCommonProtocol* m_self{};
+};
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/generic_functions.cpp b/src/input_common/helpers/joycon_protocol/generic_functions.cpp
new file mode 100644
index 000000000..63cfb1369
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/generic_functions.cpp
@@ -0,0 +1,136 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/generic_functions.h"
+
+namespace InputCommon::Joycon {
+
+GenericProtocol::GenericProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(std::move(handle)) {}
+
+DriverResult GenericProtocol::EnablePassiveMode() {
+ ScopedSetBlocking sb(this);
+ return SetReportMode(ReportMode::SIMPLE_HID_MODE);
+}
+
+DriverResult GenericProtocol::EnableActiveMode() {
+ ScopedSetBlocking sb(this);
+ return SetReportMode(ReportMode::STANDARD_FULL_60HZ);
+}
+
+DriverResult GenericProtocol::SetLowPowerMode(bool enable) {
+ ScopedSetBlocking sb(this);
+ const std::array<u8, 1> buffer{static_cast<u8>(enable ? 1 : 0)};
+ return SendSubCommand(SubCommand::LOW_POWER_MODE, buffer);
+}
+
+DriverResult GenericProtocol::TriggersElapsed() {
+ ScopedSetBlocking sb(this);
+ return SendSubCommand(SubCommand::TRIGGERS_ELAPSED, {});
+}
+
+DriverResult GenericProtocol::GetDeviceInfo(DeviceInfo& device_info) {
+ ScopedSetBlocking sb(this);
+ std::vector<u8> output;
+
+ const auto result = SendSubCommand(SubCommand::REQ_DEV_INFO, {}, output);
+
+ device_info = {};
+ if (result == DriverResult::Success) {
+ memcpy(&device_info, output.data(), sizeof(DeviceInfo));
+ }
+
+ return result;
+}
+
+DriverResult GenericProtocol::GetControllerType(ControllerType& controller_type) {
+ return GetDeviceType(controller_type);
+}
+
+DriverResult GenericProtocol::EnableImu(bool enable) {
+ ScopedSetBlocking sb(this);
+ const std::array<u8, 1> buffer{static_cast<u8>(enable ? 1 : 0)};
+ return SendSubCommand(SubCommand::ENABLE_IMU, buffer);
+}
+
+DriverResult GenericProtocol::SetImuConfig(GyroSensitivity gsen, GyroPerformance gfrec,
+ AccelerometerSensitivity asen,
+ AccelerometerPerformance afrec) {
+ ScopedSetBlocking sb(this);
+ const std::array<u8, 4> buffer{static_cast<u8>(gsen), static_cast<u8>(asen),
+ static_cast<u8>(gfrec), static_cast<u8>(afrec)};
+ return SendSubCommand(SubCommand::SET_IMU_SENSITIVITY, buffer);
+}
+
+DriverResult GenericProtocol::GetBattery(u32& battery_level) {
+ // This function is meant to request the high resolution battery status
+ battery_level = 0;
+ return DriverResult::NotSupported;
+}
+
+DriverResult GenericProtocol::GetColor(Color& color) {
+ ScopedSetBlocking sb(this);
+ std::vector<u8> buffer;
+ const auto result = ReadSPI(CalAddr::COLOR_DATA, 12, buffer);
+
+ color = {};
+ if (result == DriverResult::Success) {
+ color.body = static_cast<u32>((buffer[0] << 16) | (buffer[1] << 8) | buffer[2]);
+ color.buttons = static_cast<u32>((buffer[3] << 16) | (buffer[4] << 8) | buffer[5]);
+ color.left_grip = static_cast<u32>((buffer[6] << 16) | (buffer[7] << 8) | buffer[8]);
+ color.right_grip = static_cast<u32>((buffer[9] << 16) | (buffer[10] << 8) | buffer[11]);
+ }
+
+ return result;
+}
+
+DriverResult GenericProtocol::GetSerialNumber(SerialNumber& serial_number) {
+ ScopedSetBlocking sb(this);
+ std::vector<u8> buffer;
+ const auto result = ReadSPI(CalAddr::SERIAL_NUMBER, 16, buffer);
+
+ serial_number = {};
+ if (result == DriverResult::Success) {
+ memcpy(serial_number.data(), buffer.data() + 1, sizeof(SerialNumber));
+ }
+
+ return result;
+}
+
+DriverResult GenericProtocol::GetTemperature(u32& temperature) {
+ // Not all devices have temperature sensor
+ temperature = 25;
+ return DriverResult::NotSupported;
+}
+
+DriverResult GenericProtocol::GetVersionNumber(FirmwareVersion& version) {
+ DeviceInfo device_info{};
+
+ const auto result = GetDeviceInfo(device_info);
+ version = device_info.firmware;
+
+ return result;
+}
+
+DriverResult GenericProtocol::SetHomeLight() {
+ ScopedSetBlocking sb(this);
+ static constexpr std::array<u8, 3> buffer{0x0f, 0xf0, 0x00};
+ return SendSubCommand(SubCommand::SET_HOME_LIGHT, buffer);
+}
+
+DriverResult GenericProtocol::SetLedBusy() {
+ return DriverResult::NotSupported;
+}
+
+DriverResult GenericProtocol::SetLedPattern(u8 leds) {
+ ScopedSetBlocking sb(this);
+ const std::array<u8, 1> buffer{leds};
+ return SendSubCommand(SubCommand::SET_PLAYER_LIGHTS, buffer);
+}
+
+DriverResult GenericProtocol::SetLedBlinkPattern(u8 leds) {
+ return SetLedPattern(static_cast<u8>(leds << 4));
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/generic_functions.h b/src/input_common/helpers/joycon_protocol/generic_functions.h
new file mode 100644
index 000000000..424831e81
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/generic_functions.h
@@ -0,0 +1,114 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+/// Joycon driver functions that easily implemented
+class GenericProtocol final : private JoyconCommonProtocol {
+public:
+ explicit GenericProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ /// Enables passive mode. This mode only sends button data on change. Sticks will return digital
+ /// data instead of analog. Motion will be disabled
+ DriverResult EnablePassiveMode();
+
+ /// Enables active mode. This mode will return the current status every 5-15ms
+ DriverResult EnableActiveMode();
+
+ /// Enables or disables the low power mode
+ DriverResult SetLowPowerMode(bool enable);
+
+ /// Unknown function used by the switch
+ DriverResult TriggersElapsed();
+
+ /**
+ * Sends a request to obtain the joycon firmware and mac from handle
+ * @returns controller device info
+ */
+ DriverResult GetDeviceInfo(DeviceInfo& controller_type);
+
+ /**
+ * Sends a request to obtain the joycon type from handle
+ * @returns controller type of the joycon
+ */
+ DriverResult GetControllerType(ControllerType& controller_type);
+
+ /**
+ * Enables motion input
+ * @param enable if true motion data will be enabled
+ */
+ DriverResult EnableImu(bool enable);
+
+ /**
+ * Configures the motion sensor with the specified parameters
+ * @param gsen gyroscope sensor sensitvity in degrees per second
+ * @param gfrec gyroscope sensor frequency in hertz
+ * @param asen accelerometer sensitivity in G force
+ * @param afrec accelerometer frequency in hertz
+ */
+ DriverResult SetImuConfig(GyroSensitivity gsen, GyroPerformance gfrec,
+ AccelerometerSensitivity asen, AccelerometerPerformance afrec);
+
+ /**
+ * Request battery level from the device
+ * @returns battery level
+ */
+ DriverResult GetBattery(u32& battery_level);
+
+ /**
+ * Request joycon colors from the device
+ * @returns colors of the body and buttons
+ */
+ DriverResult GetColor(Color& color);
+
+ /**
+ * Request joycon serial number from the device
+ * @returns 16 byte serial number
+ */
+ DriverResult GetSerialNumber(SerialNumber& serial_number);
+
+ /**
+ * Request joycon serial number from the device
+ * @returns 16 byte serial number
+ */
+ DriverResult GetTemperature(u32& temperature);
+
+ /**
+ * Request joycon serial number from the device
+ * @returns 16 byte serial number
+ */
+ DriverResult GetVersionNumber(FirmwareVersion& version);
+
+ /**
+ * Sets home led behaviour
+ */
+ DriverResult SetHomeLight();
+
+ /**
+ * Sets home led into a slow breathing state
+ */
+ DriverResult SetLedBusy();
+
+ /**
+ * Sets the 4 player leds on the joycon on a solid state
+ * @params bit flag containing the led state
+ */
+ DriverResult SetLedPattern(u8 leds);
+
+ /**
+ * Sets the 4 player leds on the joycon on a blinking state
+ * @returns bit flag containing the led state
+ */
+ DriverResult SetLedBlinkPattern(u8 leds);
+};
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/irs.cpp b/src/input_common/helpers/joycon_protocol/irs.cpp
new file mode 100644
index 000000000..09e17bc5b
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/irs.cpp
@@ -0,0 +1,298 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <thread>
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/irs.h"
+
+namespace InputCommon::Joycon {
+
+IrsProtocol::IrsProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(std::move(handle)) {}
+
+DriverResult IrsProtocol::EnableIrs() {
+ LOG_INFO(Input, "Enable IRS");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+
+ if (result == DriverResult::Success) {
+ result = SetReportMode(ReportMode::NFC_IR_MODE_60HZ);
+ }
+ if (result == DriverResult::Success) {
+ result = EnableMCU(true);
+ }
+ if (result == DriverResult::Success) {
+ result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::Standby);
+ }
+ if (result == DriverResult::Success) {
+ const MCUConfig config{
+ .command = MCUCommand::ConfigureMCU,
+ .sub_command = MCUSubCommand::SetMCUMode,
+ .mode = MCUMode::IR,
+ .crc = {},
+ };
+
+ result = ConfigureMCU(config);
+ }
+ if (result == DriverResult::Success) {
+ result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::IR);
+ }
+ if (result == DriverResult::Success) {
+ result = ConfigureIrs();
+ }
+ if (result == DriverResult::Success) {
+ result = WriteRegistersStep1();
+ }
+ if (result == DriverResult::Success) {
+ result = WriteRegistersStep2();
+ }
+
+ is_enabled = true;
+
+ return result;
+}
+
+DriverResult IrsProtocol::DisableIrs() {
+ LOG_DEBUG(Input, "Disable IRS");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+
+ if (result == DriverResult::Success) {
+ result = EnableMCU(false);
+ }
+
+ is_enabled = false;
+
+ return result;
+}
+
+DriverResult IrsProtocol::SetIrsConfig(IrsMode mode, IrsResolution format) {
+ irs_mode = mode;
+ switch (format) {
+ case IrsResolution::Size320x240:
+ resolution_code = IrsResolutionCode::Size320x240;
+ fragments = IrsFragments::Size320x240;
+ resolution = IrsResolution::Size320x240;
+ break;
+ case IrsResolution::Size160x120:
+ resolution_code = IrsResolutionCode::Size160x120;
+ fragments = IrsFragments::Size160x120;
+ resolution = IrsResolution::Size160x120;
+ break;
+ case IrsResolution::Size80x60:
+ resolution_code = IrsResolutionCode::Size80x60;
+ fragments = IrsFragments::Size80x60;
+ resolution = IrsResolution::Size80x60;
+ break;
+ case IrsResolution::Size20x15:
+ resolution_code = IrsResolutionCode::Size20x15;
+ fragments = IrsFragments::Size20x15;
+ resolution = IrsResolution::Size20x15;
+ break;
+ case IrsResolution::Size40x30:
+ default:
+ resolution_code = IrsResolutionCode::Size40x30;
+ fragments = IrsFragments::Size40x30;
+ resolution = IrsResolution::Size40x30;
+ break;
+ }
+
+ // Restart feature
+ if (is_enabled) {
+ DisableIrs();
+ return EnableIrs();
+ }
+
+ return DriverResult::Success;
+}
+
+DriverResult IrsProtocol::RequestImage(std::span<u8> buffer) {
+ const u8 next_packet_fragment =
+ static_cast<u8>((packet_fragment + 1) % (static_cast<u8>(fragments) + 1));
+
+ if (buffer[0] == 0x31 && buffer[49] == 0x03) {
+ u8 new_packet_fragment = buffer[52];
+ if (new_packet_fragment == next_packet_fragment) {
+ packet_fragment = next_packet_fragment;
+ memcpy(buf_image.data() + (300 * packet_fragment), buffer.data() + 59, 300);
+
+ return RequestFrame(packet_fragment);
+ }
+
+ if (new_packet_fragment == packet_fragment) {
+ return RequestFrame(packet_fragment);
+ }
+
+ return ResendFrame(next_packet_fragment);
+ }
+
+ return RequestFrame(packet_fragment);
+}
+
+DriverResult IrsProtocol::ConfigureIrs() {
+ LOG_DEBUG(Input, "Configure IRS");
+ constexpr std::size_t max_tries = 28;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ const IrsConfigure irs_configuration{
+ .command = MCUCommand::ConfigureIR,
+ .sub_command = MCUSubCommand::SetDeviceMode,
+ .irs_mode = IrsMode::ImageTransfer,
+ .number_of_fragments = fragments,
+ .mcu_major_version = 0x0500,
+ .mcu_minor_version = 0x1800,
+ .crc = {},
+ };
+ buf_image.resize((static_cast<u8>(fragments) + 1) * 300);
+
+ std::array<u8, sizeof(IrsConfigure)> request_data{};
+ memcpy(request_data.data(), &irs_configuration, sizeof(IrsConfigure));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+ do {
+ const auto result = SendSubCommand(SubCommand::SET_MCU_CONFIG, request_data, output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+ if (tries++ >= max_tries) {
+ return DriverResult::WrongReply;
+ }
+ } while (output[15] != 0x0b);
+
+ return DriverResult::Success;
+}
+
+DriverResult IrsProtocol::WriteRegistersStep1() {
+ LOG_DEBUG(Input, "WriteRegistersStep1");
+ DriverResult result{DriverResult::Success};
+ constexpr std::size_t max_tries = 28;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ const IrsWriteRegisters irs_registers{
+ .command = MCUCommand::ConfigureIR,
+ .sub_command = MCUSubCommand::WriteDeviceRegisters,
+ .number_of_registers = 0x9,
+ .registers =
+ {
+ IrsRegister{IrRegistersAddress::Resolution, static_cast<u8>(resolution_code)},
+ {IrRegistersAddress::ExposureLSB, static_cast<u8>(exposure & 0xff)},
+ {IrRegistersAddress::ExposureMSB, static_cast<u8>(exposure >> 8)},
+ {IrRegistersAddress::ExposureTime, 0x00},
+ {IrRegistersAddress::Leds, static_cast<u8>(leds)},
+ {IrRegistersAddress::DigitalGainLSB, static_cast<u8>((digital_gain & 0x0f) << 4)},
+ {IrRegistersAddress::DigitalGainMSB, static_cast<u8>((digital_gain & 0xf0) >> 4)},
+ {IrRegistersAddress::LedFilter, static_cast<u8>(led_filter)},
+ {IrRegistersAddress::WhitePixelThreshold, 0xc8},
+ },
+ .crc = {},
+ };
+
+ std::array<u8, sizeof(IrsWriteRegisters)> request_data{};
+ memcpy(request_data.data(), &irs_registers, sizeof(IrsWriteRegisters));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+
+ std::array<u8, 38> mcu_request{0x02};
+ mcu_request[36] = CalculateMCU_CRC8(mcu_request.data(), 36);
+ mcu_request[37] = 0xFF;
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ do {
+ result = SendSubCommand(SubCommand::SET_MCU_CONFIG, request_data, output);
+
+ // First time we need to set the report mode
+ if (result == DriverResult::Success && tries == 0) {
+ result = SendMCUCommand(SubCommand::SET_REPORT_MODE, mcu_request);
+ }
+ if (result == DriverResult::Success && tries == 0) {
+ GetSubCommandResponse(SubCommand::SET_MCU_CONFIG, output);
+ }
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+ if (tries++ >= max_tries) {
+ return DriverResult::WrongReply;
+ }
+ } while (!(output[15] == 0x13 && output[17] == 0x07) && output[15] != 0x23);
+
+ return DriverResult::Success;
+}
+
+DriverResult IrsProtocol::WriteRegistersStep2() {
+ LOG_DEBUG(Input, "WriteRegistersStep2");
+ constexpr std::size_t max_tries = 28;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ const IrsWriteRegisters irs_registers{
+ .command = MCUCommand::ConfigureIR,
+ .sub_command = MCUSubCommand::WriteDeviceRegisters,
+ .number_of_registers = 0x8,
+ .registers =
+ {
+ IrsRegister{IrRegistersAddress::LedIntensitiyMSB,
+ static_cast<u8>(led_intensity >> 8)},
+ {IrRegistersAddress::LedIntensitiyLSB, static_cast<u8>(led_intensity & 0xff)},
+ {IrRegistersAddress::ImageFlip, static_cast<u8>(image_flip)},
+ {IrRegistersAddress::DenoiseSmoothing, static_cast<u8>((denoise >> 16) & 0xff)},
+ {IrRegistersAddress::DenoiseEdge, static_cast<u8>((denoise >> 8) & 0xff)},
+ {IrRegistersAddress::DenoiseColor, static_cast<u8>(denoise & 0xff)},
+ {IrRegistersAddress::UpdateTime, 0x2d},
+ {IrRegistersAddress::FinalizeConfig, 0x01},
+ },
+ .crc = {},
+ };
+
+ std::array<u8, sizeof(IrsWriteRegisters)> request_data{};
+ memcpy(request_data.data(), &irs_registers, sizeof(IrsWriteRegisters));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+ do {
+ const auto result = SendSubCommand(SubCommand::SET_MCU_CONFIG, request_data, output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+ if (tries++ >= max_tries) {
+ return DriverResult::WrongReply;
+ }
+ } while (output[15] != 0x13 && output[15] != 0x23);
+
+ return DriverResult::Success;
+}
+
+DriverResult IrsProtocol::RequestFrame(u8 frame) {
+ std::array<u8, 38> mcu_request{};
+ mcu_request[3] = frame;
+ mcu_request[36] = CalculateMCU_CRC8(mcu_request.data(), 36);
+ mcu_request[37] = 0xFF;
+ return SendMCUCommand(SubCommand::SET_REPORT_MODE, mcu_request);
+}
+
+DriverResult IrsProtocol::ResendFrame(u8 frame) {
+ std::array<u8, 38> mcu_request{};
+ mcu_request[1] = 0x1;
+ mcu_request[2] = frame;
+ mcu_request[3] = 0x0;
+ mcu_request[36] = CalculateMCU_CRC8(mcu_request.data(), 36);
+ mcu_request[37] = 0xFF;
+ return SendMCUCommand(SubCommand::SET_REPORT_MODE, mcu_request);
+}
+
+std::vector<u8> IrsProtocol::GetImage() const {
+ return buf_image;
+}
+
+IrsResolution IrsProtocol::GetIrsFormat() const {
+ return resolution;
+}
+
+bool IrsProtocol::IsEnabled() const {
+ return is_enabled;
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/irs.h b/src/input_common/helpers/joycon_protocol/irs.h
new file mode 100644
index 000000000..76dfa02ea
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/irs.h
@@ -0,0 +1,63 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+class IrsProtocol final : private JoyconCommonProtocol {
+public:
+ explicit IrsProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ DriverResult EnableIrs();
+
+ DriverResult DisableIrs();
+
+ DriverResult SetIrsConfig(IrsMode mode, IrsResolution format);
+
+ DriverResult RequestImage(std::span<u8> buffer);
+
+ std::vector<u8> GetImage() const;
+
+ IrsResolution GetIrsFormat() const;
+
+ bool IsEnabled() const;
+
+private:
+ DriverResult ConfigureIrs();
+
+ DriverResult WriteRegistersStep1();
+ DriverResult WriteRegistersStep2();
+
+ DriverResult RequestFrame(u8 frame);
+ DriverResult ResendFrame(u8 frame);
+
+ IrsMode irs_mode{IrsMode::ImageTransfer};
+ IrsResolution resolution{IrsResolution::Size40x30};
+ IrsResolutionCode resolution_code{IrsResolutionCode::Size40x30};
+ IrsFragments fragments{IrsFragments::Size40x30};
+ IrLeds leds{IrLeds::BrightAndDim};
+ IrExLedFilter led_filter{IrExLedFilter::Enabled};
+ IrImageFlip image_flip{IrImageFlip::Normal};
+ u8 digital_gain{0x01};
+ u16 exposure{0x2490};
+ u16 led_intensity{0x0f10};
+ u32 denoise{0x012344};
+
+ u8 packet_fragment{};
+ std::vector<u8> buf_image; // 8bpp greyscale image.
+
+ bool is_enabled{};
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/joycon_types.h b/src/input_common/helpers/joycon_protocol/joycon_types.h
new file mode 100644
index 000000000..182d2c15b
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/joycon_types.h
@@ -0,0 +1,613 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <SDL_hidapi.h>
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace InputCommon::Joycon {
+constexpr u32 MaxErrorCount = 50;
+constexpr u32 MaxBufferSize = 368;
+constexpr u32 MaxResponseSize = 49;
+constexpr u32 MaxSubCommandResponseSize = 64;
+constexpr std::array<u8, 8> DefaultVibrationBuffer{0x0, 0x1, 0x40, 0x40, 0x0, 0x1, 0x40, 0x40};
+
+using MacAddress = std::array<u8, 6>;
+using SerialNumber = std::array<u8, 15>;
+
+enum class ControllerType {
+ None,
+ Left,
+ Right,
+ Pro,
+ Grip,
+ Dual,
+};
+
+enum class PadAxes {
+ LeftStickX,
+ LeftStickY,
+ RightStickX,
+ RightStickY,
+ Undefined,
+};
+
+enum class PadMotion {
+ LeftMotion,
+ RightMotion,
+ Undefined,
+};
+
+enum class PadButton : u32 {
+ Down = 0x000001,
+ Up = 0x000002,
+ Right = 0x000004,
+ Left = 0x000008,
+ LeftSR = 0x000010,
+ LeftSL = 0x000020,
+ L = 0x000040,
+ ZL = 0x000080,
+ Y = 0x000100,
+ X = 0x000200,
+ B = 0x000400,
+ A = 0x000800,
+ RightSR = 0x001000,
+ RightSL = 0x002000,
+ R = 0x004000,
+ ZR = 0x008000,
+ Minus = 0x010000,
+ Plus = 0x020000,
+ StickR = 0x040000,
+ StickL = 0x080000,
+ Home = 0x100000,
+ Capture = 0x200000,
+};
+
+enum class PasivePadButton : u32 {
+ Down_A = 0x0001,
+ Right_X = 0x0002,
+ Left_B = 0x0004,
+ Up_Y = 0x0008,
+ SL = 0x0010,
+ SR = 0x0020,
+ Minus = 0x0100,
+ Plus = 0x0200,
+ StickL = 0x0400,
+ StickR = 0x0800,
+ Home = 0x1000,
+ Capture = 0x2000,
+ L_R = 0x4000,
+ ZL_ZR = 0x8000,
+};
+
+enum class OutputReport : u8 {
+ RUMBLE_AND_SUBCMD = 0x01,
+ FW_UPDATE_PKT = 0x03,
+ RUMBLE_ONLY = 0x10,
+ MCU_DATA = 0x11,
+ USB_CMD = 0x80,
+};
+
+enum class InputReport : u8 {
+ SUBCMD_REPLY = 0x21,
+ STANDARD_FULL_60HZ = 0x30,
+ NFC_IR_MODE_60HZ = 0x31,
+ SIMPLE_HID_MODE = 0x3F,
+ INPUT_USB_RESPONSE = 0x81,
+};
+
+enum class FeatureReport : u8 {
+ Last_SUBCMD = 0x02,
+ OTA_GW_UPGRADE = 0x70,
+ SETUP_MEM_READ = 0x71,
+ MEM_READ = 0x72,
+ ERASE_MEM_SECTOR = 0x73,
+ MEM_WRITE = 0x74,
+ LAUNCH = 0x75,
+};
+
+enum class SubCommand : u8 {
+ STATE = 0x00,
+ MANUAL_BT_PAIRING = 0x01,
+ REQ_DEV_INFO = 0x02,
+ SET_REPORT_MODE = 0x03,
+ TRIGGERS_ELAPSED = 0x04,
+ GET_PAGE_LIST_STATE = 0x05,
+ SET_HCI_STATE = 0x06,
+ RESET_PAIRING_INFO = 0x07,
+ LOW_POWER_MODE = 0x08,
+ SPI_FLASH_READ = 0x10,
+ SPI_FLASH_WRITE = 0x11,
+ SPI_SECTOR_ERASE = 0x12,
+ RESET_MCU = 0x20,
+ SET_MCU_CONFIG = 0x21,
+ SET_MCU_STATE = 0x22,
+ SET_PLAYER_LIGHTS = 0x30,
+ GET_PLAYER_LIGHTS = 0x31,
+ SET_HOME_LIGHT = 0x38,
+ ENABLE_IMU = 0x40,
+ SET_IMU_SENSITIVITY = 0x41,
+ WRITE_IMU_REG = 0x42,
+ READ_IMU_REG = 0x43,
+ ENABLE_VIBRATION = 0x48,
+ GET_REGULATED_VOLTAGE = 0x50,
+ SET_EXTERNAL_CONFIG = 0x58,
+ UNKNOWN_RINGCON = 0x59,
+ UNKNOWN_RINGCON2 = 0x5A,
+ UNKNOWN_RINGCON3 = 0x5C,
+};
+
+enum class UsbSubCommand : u8 {
+ CONN_STATUS = 0x01,
+ HADSHAKE = 0x02,
+ BAUDRATE_3M = 0x03,
+ NO_TIMEOUT = 0x04,
+ EN_TIMEOUT = 0x05,
+ RESET = 0x06,
+ PRE_HANDSHAKE = 0x91,
+ SEND_UART = 0x92,
+};
+
+enum class CalMagic : u8 {
+ USR_MAGIC_0 = 0xB2,
+ USR_MAGIC_1 = 0xA1,
+ USRR_MAGI_SIZE = 2,
+};
+
+enum class CalAddr {
+ SERIAL_NUMBER = 0X6000,
+ DEVICE_TYPE = 0X6012,
+ COLOR_EXIST = 0X601B,
+ FACT_LEFT_DATA = 0X603d,
+ FACT_RIGHT_DATA = 0X6046,
+ COLOR_DATA = 0X6050,
+ FACT_IMU_DATA = 0X6020,
+ USER_LEFT_MAGIC = 0X8010,
+ USER_LEFT_DATA = 0X8012,
+ USER_RIGHT_MAGIC = 0X801B,
+ USER_RIGHT_DATA = 0X801D,
+ USER_IMU_MAGIC = 0X8026,
+ USER_IMU_DATA = 0X8028,
+};
+
+enum class ReportMode : u8 {
+ ACTIVE_POLLING_NFC_IR_CAMERA_DATA = 0x00,
+ ACTIVE_POLLING_NFC_IR_CAMERA_CONFIGURATION = 0x01,
+ ACTIVE_POLLING_NFC_IR_CAMERA_DATA_CONFIGURATION = 0x02,
+ ACTIVE_POLLING_IR_CAMERA_DATA = 0x03,
+ MCU_UPDATE_STATE = 0x23,
+ STANDARD_FULL_60HZ = 0x30,
+ NFC_IR_MODE_60HZ = 0x31,
+ SIMPLE_HID_MODE = 0x3F,
+};
+
+enum class GyroSensitivity : u8 {
+ DPS250,
+ DPS500,
+ DPS1000,
+ DPS2000, // Default
+};
+
+enum class AccelerometerSensitivity : u8 {
+ G8, // Default
+ G4,
+ G2,
+ G16,
+};
+
+enum class GyroPerformance : u8 {
+ HZ833,
+ HZ208, // Default
+};
+
+enum class AccelerometerPerformance : u8 {
+ HZ200,
+ HZ100, // Default
+};
+
+enum class MCUCommand : u8 {
+ ConfigureMCU = 0x21,
+ ConfigureIR = 0x23,
+};
+
+enum class MCUSubCommand : u8 {
+ SetMCUMode = 0x0,
+ SetDeviceMode = 0x1,
+ ReadDeviceMode = 0x02,
+ WriteDeviceRegisters = 0x4,
+};
+
+enum class MCUMode : u8 {
+ Suspend = 0,
+ Standby = 1,
+ Ringcon = 3,
+ NFC = 4,
+ IR = 5,
+ MaybeFWUpdate = 6,
+};
+
+enum class MCURequest : u8 {
+ GetMCUStatus = 1,
+ GetNFCData = 2,
+ GetIRData = 3,
+};
+
+enum class MCUReport : u8 {
+ Empty = 0x00,
+ StateReport = 0x01,
+ IRData = 0x03,
+ BusyInitializing = 0x0b,
+ IRStatus = 0x13,
+ IRRegisters = 0x1b,
+ NFCState = 0x2a,
+ NFCReadData = 0x3a,
+ EmptyAwaitingCmd = 0xff,
+};
+
+enum class MCUPacketFlag : u8 {
+ MorePacketsRemaining = 0x00,
+ LastCommandPacket = 0x08,
+};
+
+enum class NFCReadCommand : u8 {
+ CancelAll = 0x00,
+ StartPolling = 0x01,
+ StopPolling = 0x02,
+ StartWaitingRecieve = 0x04,
+ Ntag = 0x06,
+ Mifare = 0x0F,
+};
+
+enum class NFCTagType : u8 {
+ AllTags = 0x00,
+ Ntag215 = 0x01,
+};
+
+enum class NFCPages {
+ Block0 = 0,
+ Block45 = 45,
+ Block135 = 135,
+ Block231 = 231,
+};
+
+enum class NFCStatus : u8 {
+ LastPackage = 0x04,
+ TagLost = 0x07,
+};
+
+enum class IrsMode : u8 {
+ None = 0x02,
+ Moment = 0x03,
+ Dpd = 0x04,
+ Clustering = 0x06,
+ ImageTransfer = 0x07,
+ Silhouette = 0x08,
+ TeraImage = 0x09,
+ SilhouetteTeraImage = 0x0A,
+};
+
+enum class IrsResolution {
+ Size320x240,
+ Size160x120,
+ Size80x60,
+ Size40x30,
+ Size20x15,
+ None,
+};
+
+enum class IrsResolutionCode : u8 {
+ Size320x240 = 0x00, // Full pixel array
+ Size160x120 = 0x50, // Sensor Binning [2 X 2]
+ Size80x60 = 0x64, // Sensor Binning [4 x 2] and Skipping [1 x 2]
+ Size40x30 = 0x69, // Sensor Binning [4 x 2] and Skipping [2 x 4]
+ Size20x15 = 0x6A, // Sensor Binning [4 x 2] and Skipping [4 x 4]
+};
+
+// Size of image divided by 300
+enum class IrsFragments : u8 {
+ Size20x15 = 0x00,
+ Size40x30 = 0x03,
+ Size80x60 = 0x0f,
+ Size160x120 = 0x3f,
+ Size320x240 = 0xFF,
+};
+
+enum class IrLeds : u8 {
+ BrightAndDim = 0x00,
+ Bright = 0x20,
+ Dim = 0x10,
+ None = 0x30,
+};
+
+enum class IrExLedFilter : u8 {
+ Disabled = 0x00,
+ Enabled = 0x03,
+};
+
+enum class IrImageFlip : u8 {
+ Normal = 0x00,
+ Inverted = 0x02,
+};
+
+enum class IrRegistersAddress : u16 {
+ UpdateTime = 0x0400,
+ FinalizeConfig = 0x0700,
+ LedFilter = 0x0e00,
+ Leds = 0x1000,
+ LedIntensitiyMSB = 0x1100,
+ LedIntensitiyLSB = 0x1200,
+ ImageFlip = 0x2d00,
+ Resolution = 0x2e00,
+ DigitalGainLSB = 0x2e01,
+ DigitalGainMSB = 0x2f01,
+ ExposureLSB = 0x3001,
+ ExposureMSB = 0x3101,
+ ExposureTime = 0x3201,
+ WhitePixelThreshold = 0x4301,
+ DenoiseSmoothing = 0x6701,
+ DenoiseEdge = 0x6801,
+ DenoiseColor = 0x6901,
+};
+
+enum class DriverResult {
+ Success,
+ WrongReply,
+ Timeout,
+ UnsupportedControllerType,
+ HandleInUse,
+ ErrorReadingData,
+ ErrorWritingData,
+ NoDeviceDetected,
+ InvalidHandle,
+ NotSupported,
+ Disabled,
+ Unknown,
+};
+
+struct MotionSensorCalibration {
+ s16 offset;
+ s16 scale;
+};
+
+struct MotionCalibration {
+ std::array<MotionSensorCalibration, 3> accelerometer;
+ std::array<MotionSensorCalibration, 3> gyro;
+};
+
+// Basic motion data containing data from the sensors and a timestamp in microseconds
+struct MotionData {
+ float gyro_x{};
+ float gyro_y{};
+ float gyro_z{};
+ float accel_x{};
+ float accel_y{};
+ float accel_z{};
+ u64 delta_timestamp{};
+};
+
+struct JoyStickAxisCalibration {
+ u16 max{1};
+ u16 min{1};
+ u16 center{0};
+};
+
+struct JoyStickCalibration {
+ JoyStickAxisCalibration x;
+ JoyStickAxisCalibration y;
+};
+
+struct RingCalibration {
+ s16 default_value;
+ s16 max_value;
+ s16 min_value;
+};
+
+struct Color {
+ u32 body;
+ u32 buttons;
+ u32 left_grip;
+ u32 right_grip;
+};
+
+struct Battery {
+ union {
+ u8 raw{};
+
+ BitField<0, 4, u8> unknown;
+ BitField<4, 1, u8> charging;
+ BitField<5, 3, u8> status;
+ };
+};
+
+struct VibrationValue {
+ f32 low_amplitude;
+ f32 low_frequency;
+ f32 high_amplitude;
+ f32 high_frequency;
+};
+
+struct JoyconHandle {
+ SDL_hid_device* handle = nullptr;
+ u8 packet_counter{};
+};
+
+struct MCUConfig {
+ MCUCommand command;
+ MCUSubCommand sub_command;
+ MCUMode mode;
+ INSERT_PADDING_BYTES(0x22);
+ u8 crc;
+};
+static_assert(sizeof(MCUConfig) == 0x26, "MCUConfig is an invalid size");
+
+#pragma pack(push, 1)
+struct InputReportPassive {
+ InputReport report_mode;
+ u16 button_input;
+ u8 stick_state;
+ std::array<u8, 10> unknown_data;
+};
+static_assert(sizeof(InputReportPassive) == 0xE, "InputReportPassive is an invalid size");
+
+struct InputReportActive {
+ InputReport report_mode;
+ u8 packet_id;
+ Battery battery_status;
+ std::array<u8, 3> button_input;
+ std::array<u8, 3> left_stick_state;
+ std::array<u8, 3> right_stick_state;
+ u8 vibration_code;
+ std::array<s16, 6 * 2> motion_input;
+ INSERT_PADDING_BYTES(0x2);
+ s16 ring_input;
+};
+static_assert(sizeof(InputReportActive) == 0x29, "InputReportActive is an invalid size");
+
+struct InputReportNfcIr {
+ InputReport report_mode;
+ u8 packet_id;
+ Battery battery_status;
+ std::array<u8, 3> button_input;
+ std::array<u8, 3> left_stick_state;
+ std::array<u8, 3> right_stick_state;
+ u8 vibration_code;
+ std::array<s16, 6 * 2> motion_input;
+ INSERT_PADDING_BYTES(0x4);
+};
+static_assert(sizeof(InputReportNfcIr) == 0x29, "InputReportNfcIr is an invalid size");
+#pragma pack(pop)
+
+struct IMUCalibration {
+ std::array<s16, 3> accelerometer_offset;
+ std::array<s16, 3> accelerometer_scale;
+ std::array<s16, 3> gyroscope_offset;
+ std::array<s16, 3> gyroscope_scale;
+};
+static_assert(sizeof(IMUCalibration) == 0x18, "IMUCalibration is an invalid size");
+
+struct NFCReadBlock {
+ u8 start;
+ u8 end;
+};
+static_assert(sizeof(NFCReadBlock) == 0x2, "NFCReadBlock is an invalid size");
+
+struct NFCReadBlockCommand {
+ u8 block_count{};
+ std::array<NFCReadBlock, 4> blocks{};
+};
+static_assert(sizeof(NFCReadBlockCommand) == 0x9, "NFCReadBlockCommand is an invalid size");
+
+struct NFCReadCommandData {
+ u8 unknown;
+ u8 uuid_length;
+ u8 unknown_2;
+ std::array<u8, 6> uid;
+ NFCTagType tag_type;
+ NFCReadBlockCommand read_block;
+};
+static_assert(sizeof(NFCReadCommandData) == 0x13, "NFCReadCommandData is an invalid size");
+
+struct NFCPollingCommandData {
+ u8 enable_mifare;
+ u8 unknown_1;
+ u8 unknown_2;
+ u8 unknown_3;
+ u8 unknown_4;
+};
+static_assert(sizeof(NFCPollingCommandData) == 0x05, "NFCPollingCommandData is an invalid size");
+
+struct NFCRequestState {
+ MCUSubCommand sub_command;
+ NFCReadCommand command_argument;
+ u8 packet_id;
+ INSERT_PADDING_BYTES(0x1);
+ MCUPacketFlag packet_flag;
+ u8 data_length;
+ union {
+ std::array<u8, 0x1F> raw_data;
+ NFCReadCommandData nfc_read;
+ NFCPollingCommandData nfc_polling;
+ };
+ u8 crc;
+};
+static_assert(sizeof(NFCRequestState) == 0x26, "NFCRequestState is an invalid size");
+
+struct IrsConfigure {
+ MCUCommand command;
+ MCUSubCommand sub_command;
+ IrsMode irs_mode;
+ IrsFragments number_of_fragments;
+ u16 mcu_major_version;
+ u16 mcu_minor_version;
+ INSERT_PADDING_BYTES(0x1D);
+ u8 crc;
+};
+static_assert(sizeof(IrsConfigure) == 0x26, "IrsConfigure is an invalid size");
+
+#pragma pack(push, 1)
+struct IrsRegister {
+ IrRegistersAddress address;
+ u8 value;
+};
+static_assert(sizeof(IrsRegister) == 0x3, "IrsRegister is an invalid size");
+
+struct IrsWriteRegisters {
+ MCUCommand command;
+ MCUSubCommand sub_command;
+ u8 number_of_registers;
+ std::array<IrsRegister, 9> registers;
+ INSERT_PADDING_BYTES(0x7);
+ u8 crc;
+};
+static_assert(sizeof(IrsWriteRegisters) == 0x26, "IrsWriteRegisters is an invalid size");
+#pragma pack(pop)
+
+struct FirmwareVersion {
+ u8 major;
+ u8 minor;
+};
+static_assert(sizeof(FirmwareVersion) == 0x2, "FirmwareVersion is an invalid size");
+
+struct DeviceInfo {
+ FirmwareVersion firmware;
+ MacAddress mac_address;
+};
+static_assert(sizeof(DeviceInfo) == 0x8, "DeviceInfo is an invalid size");
+
+struct MotionStatus {
+ bool is_enabled;
+ u64 delta_time;
+ GyroSensitivity gyro_sensitivity;
+ AccelerometerSensitivity accelerometer_sensitivity;
+};
+
+struct RingStatus {
+ bool is_enabled;
+ s16 default_value;
+ s16 max_value;
+ s16 min_value;
+};
+
+struct JoyconCallbacks {
+ std::function<void(Battery)> on_battery_data;
+ std::function<void(Color)> on_color_data;
+ std::function<void(int, bool)> on_button_data;
+ std::function<void(int, f32)> on_stick_data;
+ std::function<void(int, const MotionData&)> on_motion_data;
+ std::function<void(f32)> on_ring_data;
+ std::function<void(const std::vector<u8>&)> on_amiibo_data;
+ std::function<void(const std::vector<u8>&, IrsResolution)> on_camera_data;
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/nfc.cpp b/src/input_common/helpers/joycon_protocol/nfc.cpp
new file mode 100644
index 000000000..5c0f71722
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/nfc.cpp
@@ -0,0 +1,400 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <thread>
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/nfc.h"
+
+namespace InputCommon::Joycon {
+
+NfcProtocol::NfcProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(std::move(handle)) {}
+
+DriverResult NfcProtocol::EnableNfc() {
+ LOG_INFO(Input, "Enable NFC");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+
+ if (result == DriverResult::Success) {
+ result = SetReportMode(ReportMode::NFC_IR_MODE_60HZ);
+ }
+ if (result == DriverResult::Success) {
+ result = EnableMCU(true);
+ }
+ if (result == DriverResult::Success) {
+ result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::Standby);
+ }
+ if (result == DriverResult::Success) {
+ const MCUConfig config{
+ .command = MCUCommand::ConfigureMCU,
+ .sub_command = MCUSubCommand::SetMCUMode,
+ .mode = MCUMode::NFC,
+ .crc = {},
+ };
+
+ result = ConfigureMCU(config);
+ }
+
+ return result;
+}
+
+DriverResult NfcProtocol::DisableNfc() {
+ LOG_DEBUG(Input, "Disable NFC");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+
+ if (result == DriverResult::Success) {
+ result = EnableMCU(false);
+ }
+
+ is_enabled = false;
+
+ return result;
+}
+
+DriverResult NfcProtocol::StartNFCPollingMode() {
+ LOG_DEBUG(Input, "Start NFC pooling Mode");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+ TagFoundData tag_data{};
+
+ if (result == DriverResult::Success) {
+ result = WaitSetMCUMode(ReportMode::NFC_IR_MODE_60HZ, MCUMode::NFC);
+ }
+ if (result == DriverResult::Success) {
+ result = WaitUntilNfcIsReady();
+ }
+ if (result == DriverResult::Success) {
+ is_enabled = true;
+ }
+
+ return result;
+}
+
+DriverResult NfcProtocol::ScanAmiibo(std::vector<u8>& data) {
+ LOG_DEBUG(Input, "Start NFC pooling Mode");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+ TagFoundData tag_data{};
+
+ if (result == DriverResult::Success) {
+ result = StartPolling(tag_data);
+ }
+ if (result == DriverResult::Success) {
+ result = ReadTag(tag_data);
+ }
+ if (result == DriverResult::Success) {
+ result = WaitUntilNfcIsReady();
+ }
+ if (result == DriverResult::Success) {
+ result = StartPolling(tag_data);
+ }
+ if (result == DriverResult::Success) {
+ result = GetAmiiboData(data);
+ }
+
+ return result;
+}
+
+bool NfcProtocol::HasAmiibo() {
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+ TagFoundData tag_data{};
+
+ if (result == DriverResult::Success) {
+ result = StartPolling(tag_data);
+ }
+
+ return result == DriverResult::Success;
+}
+
+DriverResult NfcProtocol::WaitUntilNfcIsReady() {
+ constexpr std::size_t timeout_limit = 10;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ do {
+ auto result = SendStartWaitingRecieveRequest(output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+ if (tries++ > timeout_limit) {
+ return DriverResult::Timeout;
+ }
+ } while (output[49] != 0x2a || (output[51] << 8) + output[50] != 0x0500 || output[55] != 0x31 ||
+ output[56] != 0x00);
+
+ return DriverResult::Success;
+}
+
+DriverResult NfcProtocol::StartPolling(TagFoundData& data) {
+ LOG_DEBUG(Input, "Start Polling for tag");
+ constexpr std::size_t timeout_limit = 7;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ do {
+ const auto result = SendStartPollingRequest(output);
+ if (result != DriverResult::Success) {
+ return result;
+ }
+ if (tries++ > timeout_limit) {
+ return DriverResult::Timeout;
+ }
+ } while (output[49] != 0x2a || (output[51] << 8) + output[50] != 0x0500 || output[56] != 0x09);
+
+ data.type = output[62];
+ data.uuid.resize(output[64]);
+ memcpy(data.uuid.data(), output.data() + 65, data.uuid.size());
+
+ return DriverResult::Success;
+}
+
+DriverResult NfcProtocol::ReadTag(const TagFoundData& data) {
+ constexpr std::size_t timeout_limit = 10;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ std::string uuid_string;
+ for (auto& content : data.uuid) {
+ uuid_string += fmt::format(" {:02x}", content);
+ }
+
+ LOG_INFO(Input, "Tag detected, type={}, uuid={}", data.type, uuid_string);
+
+ tries = 0;
+ NFCPages ntag_pages = NFCPages::Block0;
+ // Read Tag data
+ while (true) {
+ auto result = SendReadAmiiboRequest(output, ntag_pages);
+ const auto mcu_report = static_cast<MCUReport>(output[49]);
+ const auto nfc_status = static_cast<NFCStatus>(output[56]);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ if ((mcu_report == MCUReport::NFCReadData || mcu_report == MCUReport::NFCState) &&
+ nfc_status == NFCStatus::TagLost) {
+ return DriverResult::ErrorReadingData;
+ }
+
+ if (mcu_report == MCUReport::NFCReadData && output[51] == 0x07 && output[52] == 0x01) {
+ if (data.type != 2) {
+ continue;
+ }
+ switch (output[74]) {
+ case 0:
+ ntag_pages = NFCPages::Block135;
+ break;
+ case 3:
+ ntag_pages = NFCPages::Block45;
+ break;
+ case 4:
+ ntag_pages = NFCPages::Block231;
+ break;
+ default:
+ return DriverResult::ErrorReadingData;
+ }
+ continue;
+ }
+
+ if (mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::LastPackage) {
+ // finished
+ SendStopPollingRequest(output);
+ return DriverResult::Success;
+ }
+
+ // Ignore other state reports
+ if (mcu_report == MCUReport::NFCState) {
+ continue;
+ }
+
+ if (tries++ > timeout_limit) {
+ return DriverResult::Timeout;
+ }
+ }
+
+ return DriverResult::Success;
+}
+
+DriverResult NfcProtocol::GetAmiiboData(std::vector<u8>& ntag_data) {
+ constexpr std::size_t timeout_limit = 10;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+
+ NFCPages ntag_pages = NFCPages::Block135;
+ std::size_t ntag_buffer_pos = 0;
+ // Read Tag data
+ while (true) {
+ auto result = SendReadAmiiboRequest(output, ntag_pages);
+ const auto mcu_report = static_cast<MCUReport>(output[49]);
+ const auto nfc_status = static_cast<NFCStatus>(output[56]);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ if ((mcu_report == MCUReport::NFCReadData || mcu_report == MCUReport::NFCState) &&
+ nfc_status == NFCStatus::TagLost) {
+ return DriverResult::ErrorReadingData;
+ }
+
+ if (mcu_report == MCUReport::NFCReadData && output[51] == 0x07) {
+ std::size_t payload_size = (output[54] << 8 | output[55]) & 0x7FF;
+ if (output[52] == 0x01) {
+ memcpy(ntag_data.data() + ntag_buffer_pos, output.data() + 116, payload_size - 60);
+ ntag_buffer_pos += payload_size - 60;
+ } else {
+ memcpy(ntag_data.data() + ntag_buffer_pos, output.data() + 56, payload_size);
+ }
+ continue;
+ }
+
+ if (mcu_report == MCUReport::NFCState && nfc_status == NFCStatus::LastPackage) {
+ LOG_INFO(Input, "Finished reading amiibo");
+ return DriverResult::Success;
+ }
+
+ // Ignore other state reports
+ if (mcu_report == MCUReport::NFCState) {
+ continue;
+ }
+
+ if (tries++ > timeout_limit) {
+ return DriverResult::Timeout;
+ }
+ }
+
+ return DriverResult::Success;
+}
+
+DriverResult NfcProtocol::SendStartPollingRequest(std::vector<u8>& output) {
+ NFCRequestState request{
+ .sub_command = MCUSubCommand::ReadDeviceMode,
+ .command_argument = NFCReadCommand::StartPolling,
+ .packet_id = 0x0,
+ .packet_flag = MCUPacketFlag::LastCommandPacket,
+ .data_length = sizeof(NFCPollingCommandData),
+ .nfc_polling =
+ {
+ .enable_mifare = 0x01,
+ .unknown_1 = 0x00,
+ .unknown_2 = 0x00,
+ .unknown_3 = 0x2c,
+ .unknown_4 = 0x01,
+ },
+ .crc = {},
+ };
+
+ std::array<u8, sizeof(NFCRequestState)> request_data{};
+ memcpy(request_data.data(), &request, sizeof(NFCRequestState));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+ return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
+}
+
+DriverResult NfcProtocol::SendStopPollingRequest(std::vector<u8>& output) {
+ NFCRequestState request{
+ .sub_command = MCUSubCommand::ReadDeviceMode,
+ .command_argument = NFCReadCommand::StopPolling,
+ .packet_id = 0x0,
+ .packet_flag = MCUPacketFlag::LastCommandPacket,
+ .data_length = 0,
+ .raw_data = {},
+ .crc = {},
+ };
+
+ std::array<u8, sizeof(NFCRequestState)> request_data{};
+ memcpy(request_data.data(), &request, sizeof(NFCRequestState));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+ return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
+}
+
+DriverResult NfcProtocol::SendStartWaitingRecieveRequest(std::vector<u8>& output) {
+ NFCRequestState request{
+ .sub_command = MCUSubCommand::ReadDeviceMode,
+ .command_argument = NFCReadCommand::StartWaitingRecieve,
+ .packet_id = 0x0,
+ .packet_flag = MCUPacketFlag::LastCommandPacket,
+ .data_length = 0,
+ .raw_data = {},
+ .crc = {},
+ };
+
+ std::vector<u8> request_data(sizeof(NFCRequestState));
+ memcpy(request_data.data(), &request, sizeof(NFCRequestState));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+ return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
+}
+
+DriverResult NfcProtocol::SendReadAmiiboRequest(std::vector<u8>& output, NFCPages ntag_pages) {
+ NFCRequestState request{
+ .sub_command = MCUSubCommand::ReadDeviceMode,
+ .command_argument = NFCReadCommand::Ntag,
+ .packet_id = 0x0,
+ .packet_flag = MCUPacketFlag::LastCommandPacket,
+ .data_length = sizeof(NFCReadCommandData),
+ .nfc_read =
+ {
+ .unknown = 0xd0,
+ .uuid_length = 0x07,
+ .unknown_2 = 0x00,
+ .uid = {},
+ .tag_type = NFCTagType::AllTags,
+ .read_block = GetReadBlockCommand(ntag_pages),
+ },
+ .crc = {},
+ };
+
+ std::array<u8, sizeof(NFCRequestState)> request_data{};
+ memcpy(request_data.data(), &request, sizeof(NFCRequestState));
+ request_data[37] = CalculateMCU_CRC8(request_data.data() + 1, 36);
+ return SendMCUData(ReportMode::NFC_IR_MODE_60HZ, SubCommand::STATE, request_data, output);
+}
+
+NFCReadBlockCommand NfcProtocol::GetReadBlockCommand(NFCPages pages) const {
+ switch (pages) {
+ case NFCPages::Block0:
+ return {
+ .block_count = 1,
+ };
+ case NFCPages::Block45:
+ return {
+ .block_count = 1,
+ .blocks =
+ {
+ NFCReadBlock{0x00, 0x2C},
+ },
+ };
+ case NFCPages::Block135:
+ return {
+ .block_count = 3,
+ .blocks =
+ {
+ NFCReadBlock{0x00, 0x3b},
+ {0x3c, 0x77},
+ {0x78, 0x86},
+ },
+ };
+ case NFCPages::Block231:
+ return {
+ .block_count = 4,
+ .blocks =
+ {
+ NFCReadBlock{0x00, 0x3b},
+ {0x3c, 0x77},
+ {0x78, 0x83},
+ {0xb4, 0xe6},
+ },
+ };
+ default:
+ return {};
+ };
+}
+
+bool NfcProtocol::IsEnabled() const {
+ return is_enabled;
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/nfc.h b/src/input_common/helpers/joycon_protocol/nfc.h
new file mode 100644
index 000000000..e63665aa9
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/nfc.h
@@ -0,0 +1,61 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+class NfcProtocol final : private JoyconCommonProtocol {
+public:
+ explicit NfcProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ DriverResult EnableNfc();
+
+ DriverResult DisableNfc();
+
+ DriverResult StartNFCPollingMode();
+
+ DriverResult ScanAmiibo(std::vector<u8>& data);
+
+ bool HasAmiibo();
+
+ bool IsEnabled() const;
+
+private:
+ struct TagFoundData {
+ u8 type;
+ std::vector<u8> uuid;
+ };
+
+ DriverResult WaitUntilNfcIsReady();
+
+ DriverResult StartPolling(TagFoundData& data);
+
+ DriverResult ReadTag(const TagFoundData& data);
+
+ DriverResult GetAmiiboData(std::vector<u8>& data);
+
+ DriverResult SendStartPollingRequest(std::vector<u8>& output);
+
+ DriverResult SendStopPollingRequest(std::vector<u8>& output);
+
+ DriverResult SendStartWaitingRecieveRequest(std::vector<u8>& output);
+
+ DriverResult SendReadAmiiboRequest(std::vector<u8>& output, NFCPages ntag_pages);
+
+ NFCReadBlockCommand GetReadBlockCommand(NFCPages pages) const;
+
+ bool is_enabled{};
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/poller.cpp b/src/input_common/helpers/joycon_protocol/poller.cpp
new file mode 100644
index 000000000..7f8e093fa
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/poller.cpp
@@ -0,0 +1,341 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/poller.h"
+
+namespace InputCommon::Joycon {
+
+JoyconPoller::JoyconPoller(ControllerType device_type_, JoyStickCalibration left_stick_calibration_,
+ JoyStickCalibration right_stick_calibration_,
+ MotionCalibration motion_calibration_)
+ : device_type{device_type_}, left_stick_calibration{left_stick_calibration_},
+ right_stick_calibration{right_stick_calibration_}, motion_calibration{motion_calibration_} {}
+
+void JoyconPoller::SetCallbacks(const Joycon::JoyconCallbacks& callbacks_) {
+ callbacks = std::move(callbacks_);
+}
+
+void JoyconPoller::ReadActiveMode(std::span<u8> buffer, const MotionStatus& motion_status,
+ const RingStatus& ring_status) {
+ InputReportActive data{};
+ memcpy(&data, buffer.data(), sizeof(InputReportActive));
+
+ switch (device_type) {
+ case Joycon::ControllerType::Left:
+ UpdateActiveLeftPadInput(data, motion_status);
+ break;
+ case Joycon::ControllerType::Right:
+ UpdateActiveRightPadInput(data, motion_status);
+ break;
+ case Joycon::ControllerType::Pro:
+ UpdateActiveProPadInput(data, motion_status);
+ break;
+ case Joycon::ControllerType::Grip:
+ case Joycon::ControllerType::Dual:
+ case Joycon::ControllerType::None:
+ break;
+ }
+
+ if (ring_status.is_enabled) {
+ UpdateRing(data.ring_input, ring_status);
+ }
+
+ callbacks.on_battery_data(data.battery_status);
+}
+
+void JoyconPoller::ReadPassiveMode(std::span<u8> buffer) {
+ InputReportPassive data{};
+ memcpy(&data, buffer.data(), sizeof(InputReportPassive));
+
+ switch (device_type) {
+ case Joycon::ControllerType::Left:
+ UpdatePasiveLeftPadInput(data);
+ break;
+ case Joycon::ControllerType::Right:
+ UpdatePasiveRightPadInput(data);
+ break;
+ case Joycon::ControllerType::Pro:
+ UpdatePasiveProPadInput(data);
+ break;
+ case Joycon::ControllerType::Grip:
+ case Joycon::ControllerType::Dual:
+ case Joycon::ControllerType::None:
+ break;
+ }
+}
+
+void JoyconPoller::ReadNfcIRMode(std::span<u8> buffer, const MotionStatus& motion_status) {
+ // This mode is compatible with the active mode
+ ReadActiveMode(buffer, motion_status, {});
+}
+
+void JoyconPoller::UpdateColor(const Color& color) {
+ callbacks.on_color_data(color);
+}
+
+void JoyconPoller::UpdateAmiibo(const std::vector<u8>& amiibo_data) {
+ callbacks.on_amiibo_data(amiibo_data);
+}
+
+void JoyconPoller::UpdateCamera(const std::vector<u8>& camera_data, IrsResolution format) {
+ callbacks.on_camera_data(camera_data, format);
+}
+
+void JoyconPoller::UpdateRing(s16 value, const RingStatus& ring_status) {
+ float normalized_value = static_cast<float>(value - ring_status.default_value);
+ if (normalized_value > 0) {
+ normalized_value = normalized_value /
+ static_cast<float>(ring_status.max_value - ring_status.default_value);
+ }
+ if (normalized_value < 0) {
+ normalized_value = normalized_value /
+ static_cast<float>(ring_status.default_value - ring_status.min_value);
+ }
+ callbacks.on_ring_data(normalized_value);
+}
+
+void JoyconPoller::UpdateActiveLeftPadInput(const InputReportActive& input,
+ const MotionStatus& motion_status) {
+ static constexpr std::array<Joycon::PadButton, 11> left_buttons{
+ Joycon::PadButton::Down, Joycon::PadButton::Up, Joycon::PadButton::Right,
+ Joycon::PadButton::Left, Joycon::PadButton::LeftSL, Joycon::PadButton::LeftSR,
+ Joycon::PadButton::L, Joycon::PadButton::ZL, Joycon::PadButton::Minus,
+ Joycon::PadButton::Capture, Joycon::PadButton::StickL,
+ };
+
+ const u32 raw_button =
+ static_cast<u32>(input.button_input[2] | ((input.button_input[1] & 0b00101001) << 16));
+ for (std::size_t i = 0; i < left_buttons.size(); ++i) {
+ const bool button_status = (raw_button & static_cast<u32>(left_buttons[i])) != 0;
+ const int button = static_cast<int>(left_buttons[i]);
+ callbacks.on_button_data(button, button_status);
+ }
+
+ const u16 raw_left_axis_x =
+ static_cast<u16>(input.left_stick_state[0] | ((input.left_stick_state[1] & 0xf) << 8));
+ const u16 raw_left_axis_y =
+ static_cast<u16>((input.left_stick_state[1] >> 4) | (input.left_stick_state[2] << 4));
+ const f32 left_axis_x = GetAxisValue(raw_left_axis_x, left_stick_calibration.x);
+ const f32 left_axis_y = GetAxisValue(raw_left_axis_y, left_stick_calibration.y);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickX), left_axis_x);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickY), left_axis_y);
+
+ if (motion_status.is_enabled) {
+ auto left_motion = GetMotionInput(input, motion_status);
+ // Rotate motion axis to the correct direction
+ left_motion.accel_y = -left_motion.accel_y;
+ left_motion.accel_z = -left_motion.accel_z;
+ left_motion.gyro_x = -left_motion.gyro_x;
+ callbacks.on_motion_data(static_cast<int>(PadMotion::LeftMotion), left_motion);
+ }
+}
+
+void JoyconPoller::UpdateActiveRightPadInput(const InputReportActive& input,
+ const MotionStatus& motion_status) {
+ static constexpr std::array<Joycon::PadButton, 11> right_buttons{
+ Joycon::PadButton::Y, Joycon::PadButton::X, Joycon::PadButton::B,
+ Joycon::PadButton::A, Joycon::PadButton::RightSL, Joycon::PadButton::RightSR,
+ Joycon::PadButton::R, Joycon::PadButton::ZR, Joycon::PadButton::Plus,
+ Joycon::PadButton::Home, Joycon::PadButton::StickR,
+ };
+
+ const u32 raw_button =
+ static_cast<u32>((input.button_input[0] << 8) | (input.button_input[1] << 16));
+ for (std::size_t i = 0; i < right_buttons.size(); ++i) {
+ const bool button_status = (raw_button & static_cast<u32>(right_buttons[i])) != 0;
+ const int button = static_cast<int>(right_buttons[i]);
+ callbacks.on_button_data(button, button_status);
+ }
+
+ const u16 raw_right_axis_x =
+ static_cast<u16>(input.right_stick_state[0] | ((input.right_stick_state[1] & 0xf) << 8));
+ const u16 raw_right_axis_y =
+ static_cast<u16>((input.right_stick_state[1] >> 4) | (input.right_stick_state[2] << 4));
+ const f32 right_axis_x = GetAxisValue(raw_right_axis_x, right_stick_calibration.x);
+ const f32 right_axis_y = GetAxisValue(raw_right_axis_y, right_stick_calibration.y);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickX), right_axis_x);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickY), right_axis_y);
+
+ if (motion_status.is_enabled) {
+ auto right_motion = GetMotionInput(input, motion_status);
+ // Rotate motion axis to the correct direction
+ right_motion.accel_x = -right_motion.accel_x;
+ right_motion.accel_y = -right_motion.accel_y;
+ right_motion.gyro_z = -right_motion.gyro_z;
+ callbacks.on_motion_data(static_cast<int>(PadMotion::RightMotion), right_motion);
+ }
+}
+
+void JoyconPoller::UpdateActiveProPadInput(const InputReportActive& input,
+ const MotionStatus& motion_status) {
+ static constexpr std::array<Joycon::PadButton, 18> pro_buttons{
+ Joycon::PadButton::Down, Joycon::PadButton::Up, Joycon::PadButton::Right,
+ Joycon::PadButton::Left, Joycon::PadButton::L, Joycon::PadButton::ZL,
+ Joycon::PadButton::Minus, Joycon::PadButton::Capture, Joycon::PadButton::Y,
+ Joycon::PadButton::X, Joycon::PadButton::B, Joycon::PadButton::A,
+ Joycon::PadButton::R, Joycon::PadButton::ZR, Joycon::PadButton::Plus,
+ Joycon::PadButton::Home, Joycon::PadButton::StickL, Joycon::PadButton::StickR,
+ };
+
+ const u32 raw_button = static_cast<u32>(input.button_input[2] | (input.button_input[0] << 8) |
+ (input.button_input[1] << 16));
+ for (std::size_t i = 0; i < pro_buttons.size(); ++i) {
+ const bool button_status = (raw_button & static_cast<u32>(pro_buttons[i])) != 0;
+ const int button = static_cast<int>(pro_buttons[i]);
+ callbacks.on_button_data(button, button_status);
+ }
+
+ const u16 raw_left_axis_x =
+ static_cast<u16>(input.left_stick_state[0] | ((input.left_stick_state[1] & 0xf) << 8));
+ const u16 raw_left_axis_y =
+ static_cast<u16>((input.left_stick_state[1] >> 4) | (input.left_stick_state[2] << 4));
+ const u16 raw_right_axis_x =
+ static_cast<u16>(input.right_stick_state[0] | ((input.right_stick_state[1] & 0xf) << 8));
+ const u16 raw_right_axis_y =
+ static_cast<u16>((input.right_stick_state[1] >> 4) | (input.right_stick_state[2] << 4));
+
+ const f32 left_axis_x = GetAxisValue(raw_left_axis_x, left_stick_calibration.x);
+ const f32 left_axis_y = GetAxisValue(raw_left_axis_y, left_stick_calibration.y);
+ const f32 right_axis_x = GetAxisValue(raw_right_axis_x, right_stick_calibration.x);
+ const f32 right_axis_y = GetAxisValue(raw_right_axis_y, right_stick_calibration.y);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickX), left_axis_x);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::LeftStickY), left_axis_y);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickX), right_axis_x);
+ callbacks.on_stick_data(static_cast<int>(PadAxes::RightStickY), right_axis_y);
+
+ if (motion_status.is_enabled) {
+ auto pro_motion = GetMotionInput(input, motion_status);
+ pro_motion.gyro_x = -pro_motion.gyro_x;
+ pro_motion.accel_y = -pro_motion.accel_y;
+ pro_motion.accel_z = -pro_motion.accel_z;
+ callbacks.on_motion_data(static_cast<int>(PadMotion::LeftMotion), pro_motion);
+ callbacks.on_motion_data(static_cast<int>(PadMotion::RightMotion), pro_motion);
+ }
+}
+
+void JoyconPoller::UpdatePasiveLeftPadInput(const InputReportPassive& input) {
+ static constexpr std::array<Joycon::PasivePadButton, 11> left_buttons{
+ Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X,
+ Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y,
+ Joycon::PasivePadButton::SL, Joycon::PasivePadButton::SR,
+ Joycon::PasivePadButton::L_R, Joycon::PasivePadButton::ZL_ZR,
+ Joycon::PasivePadButton::Minus, Joycon::PasivePadButton::Capture,
+ Joycon::PasivePadButton::StickL,
+ };
+
+ for (auto left_button : left_buttons) {
+ const bool button_status = (input.button_input & static_cast<u32>(left_button)) != 0;
+ const int button = static_cast<int>(left_button);
+ callbacks.on_button_data(button, button_status);
+ }
+}
+
+void JoyconPoller::UpdatePasiveRightPadInput(const InputReportPassive& input) {
+ static constexpr std::array<Joycon::PasivePadButton, 11> right_buttons{
+ Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X,
+ Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y,
+ Joycon::PasivePadButton::SL, Joycon::PasivePadButton::SR,
+ Joycon::PasivePadButton::L_R, Joycon::PasivePadButton::ZL_ZR,
+ Joycon::PasivePadButton::Plus, Joycon::PasivePadButton::Home,
+ Joycon::PasivePadButton::StickR,
+ };
+
+ for (auto right_button : right_buttons) {
+ const bool button_status = (input.button_input & static_cast<u32>(right_button)) != 0;
+ const int button = static_cast<int>(right_button);
+ callbacks.on_button_data(button, button_status);
+ }
+}
+
+void JoyconPoller::UpdatePasiveProPadInput(const InputReportPassive& input) {
+ static constexpr std::array<Joycon::PasivePadButton, 14> pro_buttons{
+ Joycon::PasivePadButton::Down_A, Joycon::PasivePadButton::Right_X,
+ Joycon::PasivePadButton::Left_B, Joycon::PasivePadButton::Up_Y,
+ Joycon::PasivePadButton::SL, Joycon::PasivePadButton::SR,
+ Joycon::PasivePadButton::L_R, Joycon::PasivePadButton::ZL_ZR,
+ Joycon::PasivePadButton::Minus, Joycon::PasivePadButton::Plus,
+ Joycon::PasivePadButton::Capture, Joycon::PasivePadButton::Home,
+ Joycon::PasivePadButton::StickL, Joycon::PasivePadButton::StickR,
+ };
+
+ for (auto pro_button : pro_buttons) {
+ const bool button_status = (input.button_input & static_cast<u32>(pro_button)) != 0;
+ const int button = static_cast<int>(pro_button);
+ callbacks.on_button_data(button, button_status);
+ }
+}
+
+f32 JoyconPoller::GetAxisValue(u16 raw_value, Joycon::JoyStickAxisCalibration calibration) const {
+ const f32 value = static_cast<f32>(raw_value - calibration.center);
+ if (value > 0.0f) {
+ return value / calibration.max;
+ }
+ return value / calibration.min;
+}
+
+f32 JoyconPoller::GetAccelerometerValue(s16 raw, const MotionSensorCalibration& cal,
+ AccelerometerSensitivity sensitivity) const {
+ const f32 value = raw * (1.0f / (cal.scale - cal.offset)) * 4;
+ switch (sensitivity) {
+ case Joycon::AccelerometerSensitivity::G2:
+ return value / 4.0f;
+ case Joycon::AccelerometerSensitivity::G4:
+ return value / 2.0f;
+ case Joycon::AccelerometerSensitivity::G8:
+ return value;
+ case Joycon::AccelerometerSensitivity::G16:
+ return value * 2.0f;
+ }
+ return value;
+}
+
+f32 JoyconPoller::GetGyroValue(s16 raw, const MotionSensorCalibration& cal,
+ GyroSensitivity sensitivity) const {
+ const f32 value = (raw - cal.offset) * (936.0f / (cal.scale - cal.offset)) / 360.0f;
+ switch (sensitivity) {
+ case Joycon::GyroSensitivity::DPS250:
+ return value / 8.0f;
+ case Joycon::GyroSensitivity::DPS500:
+ return value / 4.0f;
+ case Joycon::GyroSensitivity::DPS1000:
+ return value / 2.0f;
+ case Joycon::GyroSensitivity::DPS2000:
+ return value;
+ }
+ return value;
+}
+
+s16 JoyconPoller::GetRawIMUValues(std::size_t sensor, size_t axis,
+ const InputReportActive& input) const {
+ return input.motion_input[(sensor * 3) + axis];
+}
+
+MotionData JoyconPoller::GetMotionInput(const InputReportActive& input,
+ const MotionStatus& motion_status) const {
+ MotionData motion{};
+ const auto& accel_cal = motion_calibration.accelerometer;
+ const auto& gyro_cal = motion_calibration.gyro;
+ const s16 raw_accel_x = input.motion_input[1];
+ const s16 raw_accel_y = input.motion_input[0];
+ const s16 raw_accel_z = input.motion_input[2];
+ const s16 raw_gyro_x = input.motion_input[4];
+ const s16 raw_gyro_y = input.motion_input[3];
+ const s16 raw_gyro_z = input.motion_input[5];
+
+ motion.delta_timestamp = motion_status.delta_time;
+ motion.accel_x =
+ GetAccelerometerValue(raw_accel_x, accel_cal[1], motion_status.accelerometer_sensitivity);
+ motion.accel_y =
+ GetAccelerometerValue(raw_accel_y, accel_cal[0], motion_status.accelerometer_sensitivity);
+ motion.accel_z =
+ GetAccelerometerValue(raw_accel_z, accel_cal[2], motion_status.accelerometer_sensitivity);
+ motion.gyro_x = GetGyroValue(raw_gyro_x, gyro_cal[1], motion_status.gyro_sensitivity);
+ motion.gyro_y = GetGyroValue(raw_gyro_y, gyro_cal[0], motion_status.gyro_sensitivity);
+ motion.gyro_z = GetGyroValue(raw_gyro_z, gyro_cal[2], motion_status.gyro_sensitivity);
+
+ // TODO(German77): Return all three samples data
+ return motion;
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/poller.h b/src/input_common/helpers/joycon_protocol/poller.h
new file mode 100644
index 000000000..354d41dad
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/poller.h
@@ -0,0 +1,81 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <functional>
+#include <span>
+
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+// Handles input packages and triggers the corresponding input events
+class JoyconPoller {
+public:
+ JoyconPoller(ControllerType device_type_, JoyStickCalibration left_stick_calibration_,
+ JoyStickCalibration right_stick_calibration_,
+ MotionCalibration motion_calibration_);
+
+ void SetCallbacks(const Joycon::JoyconCallbacks& callbacks_);
+
+ /// Handles data from passive packages
+ void ReadPassiveMode(std::span<u8> buffer);
+
+ /// Handles data from active packages
+ void ReadActiveMode(std::span<u8> buffer, const MotionStatus& motion_status,
+ const RingStatus& ring_status);
+
+ /// Handles data from nfc or ir packages
+ void ReadNfcIRMode(std::span<u8> buffer, const MotionStatus& motion_status);
+
+ void UpdateColor(const Color& color);
+ void UpdateRing(s16 value, const RingStatus& ring_status);
+ void UpdateAmiibo(const std::vector<u8>& amiibo_data);
+ void UpdateCamera(const std::vector<u8>& amiibo_data, IrsResolution format);
+
+private:
+ void UpdateActiveLeftPadInput(const InputReportActive& input,
+ const MotionStatus& motion_status);
+ void UpdateActiveRightPadInput(const InputReportActive& input,
+ const MotionStatus& motion_status);
+ void UpdateActiveProPadInput(const InputReportActive& input, const MotionStatus& motion_status);
+
+ void UpdatePasiveLeftPadInput(const InputReportPassive& buffer);
+ void UpdatePasiveRightPadInput(const InputReportPassive& buffer);
+ void UpdatePasiveProPadInput(const InputReportPassive& buffer);
+
+ /// Returns a calibrated joystick axis from raw axis data
+ f32 GetAxisValue(u16 raw_value, Joycon::JoyStickAxisCalibration calibration) const;
+
+ /// Returns a calibrated accelerometer axis from raw motion data
+ f32 GetAccelerometerValue(s16 raw, const MotionSensorCalibration& cal,
+ AccelerometerSensitivity sensitivity) const;
+
+ /// Returns a calibrated gyro axis from raw motion data
+ f32 GetGyroValue(s16 raw_value, const MotionSensorCalibration& cal,
+ GyroSensitivity sensitivity) const;
+
+ /// Returns a raw motion value from a buffer
+ s16 GetRawIMUValues(size_t sensor, size_t axis, const InputReportActive& input) const;
+
+ /// Returns motion data from a buffer
+ MotionData GetMotionInput(const InputReportActive& input,
+ const MotionStatus& motion_status) const;
+
+ ControllerType device_type{};
+
+ // Device calibration
+ JoyStickCalibration left_stick_calibration{};
+ JoyStickCalibration right_stick_calibration{};
+ MotionCalibration motion_calibration{};
+
+ Joycon::JoyconCallbacks callbacks{};
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/ringcon.cpp b/src/input_common/helpers/joycon_protocol/ringcon.cpp
new file mode 100644
index 000000000..12f81309e
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/ringcon.cpp
@@ -0,0 +1,117 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/ringcon.h"
+
+namespace InputCommon::Joycon {
+
+RingConProtocol::RingConProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(std::move(handle)) {}
+
+DriverResult RingConProtocol::EnableRingCon() {
+ LOG_DEBUG(Input, "Enable Ringcon");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+
+ if (result == DriverResult::Success) {
+ result = SetReportMode(ReportMode::STANDARD_FULL_60HZ);
+ }
+ if (result == DriverResult::Success) {
+ result = EnableMCU(true);
+ }
+ if (result == DriverResult::Success) {
+ const MCUConfig config{
+ .command = MCUCommand::ConfigureMCU,
+ .sub_command = MCUSubCommand::SetDeviceMode,
+ .mode = MCUMode::Standby,
+ .crc = {},
+ };
+ result = ConfigureMCU(config);
+ }
+
+ return result;
+}
+
+DriverResult RingConProtocol::DisableRingCon() {
+ LOG_DEBUG(Input, "Disable RingCon");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+
+ if (result == DriverResult::Success) {
+ result = EnableMCU(false);
+ }
+
+ is_enabled = false;
+
+ return result;
+}
+
+DriverResult RingConProtocol::StartRingconPolling() {
+ LOG_DEBUG(Input, "Enable Ringcon");
+ ScopedSetBlocking sb(this);
+ DriverResult result{DriverResult::Success};
+ bool is_connected = false;
+
+ if (result == DriverResult::Success) {
+ result = IsRingConnected(is_connected);
+ }
+ if (result == DriverResult::Success && is_connected) {
+ LOG_INFO(Input, "Ringcon detected");
+ result = ConfigureRing();
+ }
+ if (result == DriverResult::Success) {
+ is_enabled = true;
+ }
+
+ return result;
+}
+
+DriverResult RingConProtocol::IsRingConnected(bool& is_connected) {
+ LOG_DEBUG(Input, "IsRingConnected");
+ constexpr std::size_t max_tries = 28;
+ constexpr u8 ring_controller_id = 0x20;
+ std::vector<u8> output;
+ std::size_t tries = 0;
+ is_connected = false;
+
+ do {
+ std::array<u8, 1> empty_data{};
+ const auto result = SendSubCommand(SubCommand::UNKNOWN_RINGCON, empty_data, output);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ if (tries++ >= max_tries) {
+ return DriverResult::NoDeviceDetected;
+ }
+ } while (output[16] != ring_controller_id);
+
+ is_connected = true;
+ return DriverResult::Success;
+}
+
+DriverResult RingConProtocol::ConfigureRing() {
+ LOG_DEBUG(Input, "ConfigureRing");
+
+ static constexpr std::array<u8, 37> ring_config{
+ 0x06, 0x03, 0x25, 0x06, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x16, 0xED, 0x34, 0x36,
+ 0x00, 0x00, 0x00, 0x0A, 0x64, 0x0B, 0xE6, 0xA9, 0x22, 0x00, 0x00, 0x04, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90, 0xA8, 0xE1, 0x34, 0x36};
+
+ const DriverResult result = SendSubCommand(SubCommand::UNKNOWN_RINGCON3, ring_config);
+
+ if (result != DriverResult::Success) {
+ return result;
+ }
+
+ static constexpr std::array<u8, 4> ringcon_data{0x04, 0x01, 0x01, 0x02};
+ return SendSubCommand(SubCommand::UNKNOWN_RINGCON2, ringcon_data);
+}
+
+bool RingConProtocol::IsEnabled() const {
+ return is_enabled;
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/ringcon.h b/src/input_common/helpers/joycon_protocol/ringcon.h
new file mode 100644
index 000000000..6e858f3fc
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/ringcon.h
@@ -0,0 +1,38 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+class RingConProtocol final : private JoyconCommonProtocol {
+public:
+ explicit RingConProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ DriverResult EnableRingCon();
+
+ DriverResult DisableRingCon();
+
+ DriverResult StartRingconPolling();
+
+ bool IsEnabled() const;
+
+private:
+ DriverResult IsRingConnected(bool& is_connected);
+
+ DriverResult ConfigureRing();
+
+ bool is_enabled{};
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/rumble.cpp b/src/input_common/helpers/joycon_protocol/rumble.cpp
new file mode 100644
index 000000000..63b60c946
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/rumble.cpp
@@ -0,0 +1,299 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <algorithm>
+#include <cmath>
+
+#include "common/logging/log.h"
+#include "input_common/helpers/joycon_protocol/rumble.h"
+
+namespace InputCommon::Joycon {
+
+RumbleProtocol::RumbleProtocol(std::shared_ptr<JoyconHandle> handle)
+ : JoyconCommonProtocol(std::move(handle)) {}
+
+DriverResult RumbleProtocol::EnableRumble(bool is_enabled) {
+ LOG_DEBUG(Input, "Enable Rumble");
+ ScopedSetBlocking sb(this);
+ const std::array<u8, 1> buffer{static_cast<u8>(is_enabled ? 1 : 0)};
+ return SendSubCommand(SubCommand::ENABLE_VIBRATION, buffer);
+}
+
+DriverResult RumbleProtocol::SendVibration(const VibrationValue& vibration) {
+ std::array<u8, sizeof(DefaultVibrationBuffer)> buffer{};
+
+ if (vibration.high_amplitude <= 0.0f && vibration.low_amplitude <= 0.0f) {
+ return SendVibrationReport(DefaultVibrationBuffer);
+ }
+
+ // Protect joycons from damage from strong vibrations
+ const f32 clamp_amplitude =
+ 1.0f / std::max(1.0f, vibration.high_amplitude + vibration.low_amplitude);
+
+ const u16 encoded_high_frequency = EncodeHighFrequency(vibration.high_frequency);
+ const u8 encoded_high_amplitude =
+ EncodeHighAmplitude(vibration.high_amplitude * clamp_amplitude);
+ const u8 encoded_low_frequency = EncodeLowFrequency(vibration.low_frequency);
+ const u16 encoded_low_amplitude = EncodeLowAmplitude(vibration.low_amplitude * clamp_amplitude);
+
+ buffer[0] = static_cast<u8>(encoded_high_frequency & 0xFF);
+ buffer[1] = static_cast<u8>(encoded_high_amplitude | ((encoded_high_frequency >> 8) & 0x01));
+ buffer[2] = static_cast<u8>(encoded_low_frequency | ((encoded_low_amplitude >> 8) & 0x80));
+ buffer[3] = static_cast<u8>(encoded_low_amplitude & 0xFF);
+
+ // Duplicate rumble for now
+ buffer[4] = buffer[0];
+ buffer[5] = buffer[1];
+ buffer[6] = buffer[2];
+ buffer[7] = buffer[3];
+
+ return SendVibrationReport(buffer);
+}
+
+u16 RumbleProtocol::EncodeHighFrequency(f32 frequency) const {
+ const u8 new_frequency =
+ static_cast<u8>(std::clamp(std::log2(frequency / 10.0f) * 32.0f, 0.0f, 255.0f));
+ return static_cast<u16>((new_frequency - 0x60) * 4);
+}
+
+u8 RumbleProtocol::EncodeLowFrequency(f32 frequency) const {
+ const u8 new_frequency =
+ static_cast<u8>(std::clamp(std::log2(frequency / 10.0f) * 32.0f, 0.0f, 255.0f));
+ return static_cast<u8>(new_frequency - 0x40);
+}
+
+u8 RumbleProtocol::EncodeHighAmplitude(f32 amplitude) const {
+ // More information about these values can be found here:
+ // https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering/blob/master/rumble_data_table.md
+
+ static constexpr std::array<std::pair<f32, int>, 101> high_fequency_amplitude{
+ std::pair<f32, int>{0.0f, 0x0},
+ {0.01f, 0x2},
+ {0.012f, 0x4},
+ {0.014f, 0x6},
+ {0.017f, 0x8},
+ {0.02f, 0x0a},
+ {0.024f, 0x0c},
+ {0.028f, 0x0e},
+ {0.033f, 0x10},
+ {0.04f, 0x12},
+ {0.047f, 0x14},
+ {0.056f, 0x16},
+ {0.067f, 0x18},
+ {0.08f, 0x1a},
+ {0.095f, 0x1c},
+ {0.112f, 0x1e},
+ {0.117f, 0x20},
+ {0.123f, 0x22},
+ {0.128f, 0x24},
+ {0.134f, 0x26},
+ {0.14f, 0x28},
+ {0.146f, 0x2a},
+ {0.152f, 0x2c},
+ {0.159f, 0x2e},
+ {0.166f, 0x30},
+ {0.173f, 0x32},
+ {0.181f, 0x34},
+ {0.189f, 0x36},
+ {0.198f, 0x38},
+ {0.206f, 0x3a},
+ {0.215f, 0x3c},
+ {0.225f, 0x3e},
+ {0.23f, 0x40},
+ {0.235f, 0x42},
+ {0.24f, 0x44},
+ {0.245f, 0x46},
+ {0.251f, 0x48},
+ {0.256f, 0x4a},
+ {0.262f, 0x4c},
+ {0.268f, 0x4e},
+ {0.273f, 0x50},
+ {0.279f, 0x52},
+ {0.286f, 0x54},
+ {0.292f, 0x56},
+ {0.298f, 0x58},
+ {0.305f, 0x5a},
+ {0.311f, 0x5c},
+ {0.318f, 0x5e},
+ {0.325f, 0x60},
+ {0.332f, 0x62},
+ {0.34f, 0x64},
+ {0.347f, 0x66},
+ {0.355f, 0x68},
+ {0.362f, 0x6a},
+ {0.37f, 0x6c},
+ {0.378f, 0x6e},
+ {0.387f, 0x70},
+ {0.395f, 0x72},
+ {0.404f, 0x74},
+ {0.413f, 0x76},
+ {0.422f, 0x78},
+ {0.431f, 0x7a},
+ {0.44f, 0x7c},
+ {0.45f, 0x7e},
+ {0.46f, 0x80},
+ {0.47f, 0x82},
+ {0.48f, 0x84},
+ {0.491f, 0x86},
+ {0.501f, 0x88},
+ {0.512f, 0x8a},
+ {0.524f, 0x8c},
+ {0.535f, 0x8e},
+ {0.547f, 0x90},
+ {0.559f, 0x92},
+ {0.571f, 0x94},
+ {0.584f, 0x96},
+ {0.596f, 0x98},
+ {0.609f, 0x9a},
+ {0.623f, 0x9c},
+ {0.636f, 0x9e},
+ {0.65f, 0xa0},
+ {0.665f, 0xa2},
+ {0.679f, 0xa4},
+ {0.694f, 0xa6},
+ {0.709f, 0xa8},
+ {0.725f, 0xaa},
+ {0.741f, 0xac},
+ {0.757f, 0xae},
+ {0.773f, 0xb0},
+ {0.79f, 0xb2},
+ {0.808f, 0xb4},
+ {0.825f, 0xb6},
+ {0.843f, 0xb8},
+ {0.862f, 0xba},
+ {0.881f, 0xbc},
+ {0.9f, 0xbe},
+ {0.92f, 0xc0},
+ {0.94f, 0xc2},
+ {0.96f, 0xc4},
+ {0.981f, 0xc6},
+ {1.003f, 0xc8},
+ };
+
+ for (const auto& [amplitude_value, code] : high_fequency_amplitude) {
+ if (amplitude <= amplitude_value) {
+ return static_cast<u8>(code);
+ }
+ }
+
+ return static_cast<u8>(high_fequency_amplitude[high_fequency_amplitude.size() - 1].second);
+}
+
+u16 RumbleProtocol::EncodeLowAmplitude(f32 amplitude) const {
+ // More information about these values can be found here:
+ // https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering/blob/master/rumble_data_table.md
+
+ static constexpr std::array<std::pair<f32, int>, 101> high_fequency_amplitude{
+ std::pair<f32, int>{0.0f, 0x0040},
+ {0.01f, 0x8040},
+ {0.012f, 0x0041},
+ {0.014f, 0x8041},
+ {0.017f, 0x0042},
+ {0.02f, 0x8042},
+ {0.024f, 0x0043},
+ {0.028f, 0x8043},
+ {0.033f, 0x0044},
+ {0.04f, 0x8044},
+ {0.047f, 0x0045},
+ {0.056f, 0x8045},
+ {0.067f, 0x0046},
+ {0.08f, 0x8046},
+ {0.095f, 0x0047},
+ {0.112f, 0x8047},
+ {0.117f, 0x0048},
+ {0.123f, 0x8048},
+ {0.128f, 0x0049},
+ {0.134f, 0x8049},
+ {0.14f, 0x004a},
+ {0.146f, 0x804a},
+ {0.152f, 0x004b},
+ {0.159f, 0x804b},
+ {0.166f, 0x004c},
+ {0.173f, 0x804c},
+ {0.181f, 0x004d},
+ {0.189f, 0x804d},
+ {0.198f, 0x004e},
+ {0.206f, 0x804e},
+ {0.215f, 0x004f},
+ {0.225f, 0x804f},
+ {0.23f, 0x0050},
+ {0.235f, 0x8050},
+ {0.24f, 0x0051},
+ {0.245f, 0x8051},
+ {0.251f, 0x0052},
+ {0.256f, 0x8052},
+ {0.262f, 0x0053},
+ {0.268f, 0x8053},
+ {0.273f, 0x0054},
+ {0.279f, 0x8054},
+ {0.286f, 0x0055},
+ {0.292f, 0x8055},
+ {0.298f, 0x0056},
+ {0.305f, 0x8056},
+ {0.311f, 0x0057},
+ {0.318f, 0x8057},
+ {0.325f, 0x0058},
+ {0.332f, 0x8058},
+ {0.34f, 0x0059},
+ {0.347f, 0x8059},
+ {0.355f, 0x005a},
+ {0.362f, 0x805a},
+ {0.37f, 0x005b},
+ {0.378f, 0x805b},
+ {0.387f, 0x005c},
+ {0.395f, 0x805c},
+ {0.404f, 0x005d},
+ {0.413f, 0x805d},
+ {0.422f, 0x005e},
+ {0.431f, 0x805e},
+ {0.44f, 0x005f},
+ {0.45f, 0x805f},
+ {0.46f, 0x0060},
+ {0.47f, 0x8060},
+ {0.48f, 0x0061},
+ {0.491f, 0x8061},
+ {0.501f, 0x0062},
+ {0.512f, 0x8062},
+ {0.524f, 0x0063},
+ {0.535f, 0x8063},
+ {0.547f, 0x0064},
+ {0.559f, 0x8064},
+ {0.571f, 0x0065},
+ {0.584f, 0x8065},
+ {0.596f, 0x0066},
+ {0.609f, 0x8066},
+ {0.623f, 0x0067},
+ {0.636f, 0x8067},
+ {0.65f, 0x0068},
+ {0.665f, 0x8068},
+ {0.679f, 0x0069},
+ {0.694f, 0x8069},
+ {0.709f, 0x006a},
+ {0.725f, 0x806a},
+ {0.741f, 0x006b},
+ {0.757f, 0x806b},
+ {0.773f, 0x006c},
+ {0.79f, 0x806c},
+ {0.808f, 0x006d},
+ {0.825f, 0x806d},
+ {0.843f, 0x006e},
+ {0.862f, 0x806e},
+ {0.881f, 0x006f},
+ {0.9f, 0x806f},
+ {0.92f, 0x0070},
+ {0.94f, 0x8070},
+ {0.96f, 0x0071},
+ {0.981f, 0x8071},
+ {1.003f, 0x0072},
+ };
+
+ for (const auto& [amplitude_value, code] : high_fequency_amplitude) {
+ if (amplitude <= amplitude_value) {
+ return static_cast<u16>(code);
+ }
+ }
+
+ return static_cast<u16>(high_fequency_amplitude[high_fequency_amplitude.size() - 1].second);
+}
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/joycon_protocol/rumble.h b/src/input_common/helpers/joycon_protocol/rumble.h
new file mode 100644
index 000000000..6c12b7925
--- /dev/null
+++ b/src/input_common/helpers/joycon_protocol/rumble.h
@@ -0,0 +1,33 @@
+// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// Based on dkms-hid-nintendo implementation, CTCaer joycon toolkit and dekuNukem reverse
+// engineering https://github.com/nicman23/dkms-hid-nintendo/blob/master/src/hid-nintendo.c
+// https://github.com/CTCaer/jc_toolkit
+// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering
+
+#pragma once
+
+#include <vector>
+
+#include "input_common/helpers/joycon_protocol/common_protocol.h"
+#include "input_common/helpers/joycon_protocol/joycon_types.h"
+
+namespace InputCommon::Joycon {
+
+class RumbleProtocol final : private JoyconCommonProtocol {
+public:
+ explicit RumbleProtocol(std::shared_ptr<JoyconHandle> handle);
+
+ DriverResult EnableRumble(bool is_enabled);
+
+ DriverResult SendVibration(const VibrationValue& vibration);
+
+private:
+ u16 EncodeHighFrequency(f32 frequency) const;
+ u8 EncodeLowFrequency(f32 frequency) const;
+ u8 EncodeHighAmplitude(f32 amplitude) const;
+ u16 EncodeLowAmplitude(f32 amplitude) const;
+};
+
+} // namespace InputCommon::Joycon
diff --git a/src/input_common/helpers/stick_from_buttons.cpp b/src/input_common/helpers/stick_from_buttons.cpp
index f3a0b3419..096c23b07 100644
--- a/src/input_common/helpers/stick_from_buttons.cpp
+++ b/src/input_common/helpers/stick_from_buttons.cpp
@@ -11,6 +11,11 @@ namespace InputCommon {
class Stick final : public Common::Input::InputDevice {
public:
+ // Some games such as EARTH DEFENSE FORCE: WORLD BROTHERS
+ // do not play nicely with the theoretical maximum range.
+ // Using a value one lower from the maximum emulates real stick behavior.
+ static constexpr float MAX_RANGE = 32766.0f / 32767.0f;
+
using Button = std::unique_ptr<Common::Input::InputDevice>;
Stick(Button up_, Button down_, Button left_, Button right_, Button modifier_, Button updater_,
@@ -196,7 +201,7 @@ public:
}
void UpdateStatus() {
- const float coef = modifier_status.value ? modifier_scale : 1.0f;
+ const float coef = modifier_status.value ? modifier_scale : MAX_RANGE;
bool r = right_status;
bool l = left_status;
@@ -290,7 +295,7 @@ public:
if (down_status) {
--y;
}
- const float coef = modifier_status.value ? modifier_scale : 1.0f;
+ const float coef = modifier_status.value ? modifier_scale : MAX_RANGE;
status.x.raw_value = static_cast<float>(x) * coef * (y == 0 ? 1.0f : SQRT_HALF);
status.y.raw_value = static_cast<float>(y) * coef * (x == 0 ? 1.0f : SQRT_HALF);
return status;