early-access version 2177

src/core/CMakeLists.txt

@@ -132,11 +132,23 @@ add_library(core STATIC
     frontend/emu_window.h
     frontend/framebuffer_layout.cpp
     frontend/framebuffer_layout.h
-    frontend/input_interpreter.cpp
-    frontend/input_interpreter.h
-    frontend/input.h
     hardware_interrupt_manager.cpp
     hardware_interrupt_manager.h
+    hid/emulated_console.cpp
+    hid/emulated_console.h
+    hid/emulated_controller.cpp
+    hid/emulated_controller.h
+    hid/emulated_devices.cpp
+    hid/emulated_devices.h
+    hid/hid_core.cpp
+    hid/hid_core.h
+    hid/hid_types.h
+    hid/input_converter.cpp
+    hid/input_converter.h
+    hid/input_interpreter.cpp
+    hid/input_interpreter.h
+    hid/motion_input.cpp
+    hid/motion_input.h
     hle/api_version.h
     hle/ipc.h
     hle/ipc_helpers.h
@@ -402,6 +414,7 @@ add_library(core STATIC
     hle/service/hid/hid.h
     hle/service/hid/irs.cpp
     hle/service/hid/irs.h
+    hle/service/hid/ring_lifo.h
     hle/service/hid/xcd.cpp
     hle/service/hid/xcd.h
     hle/service/hid/errors.h

src/core/core.cpp

@@ -29,6 +29,7 @@
 #include "core/file_sys/vfs_concat.h"
 #include "core/file_sys/vfs_real.h"
 #include "core/hardware_interrupt_manager.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/kernel/k_client_port.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/k_scheduler.h"
@@ -130,7 +131,7 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
 
 struct System::Impl {
     explicit Impl(System& system)
-        : kernel{system}, fs_controller{system}, memory{system},
+        : kernel{system}, fs_controller{system}, memory{system}, hid_core{},
           cpu_manager{system}, reporter{system}, applet_manager{system}, time_manager{system} {}
 
     SystemResultStatus Run() {
@@ -395,6 +396,7 @@ struct System::Impl {
     std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
     std::unique_ptr<Core::DeviceMemory> device_memory;
     Core::Memory::Memory memory;
+    Core::HID::HIDCore hid_core;
     CpuManager cpu_manager;
     std::atomic_bool is_powered_on{};
     bool exit_lock = false;
@@ -619,6 +621,14 @@ const Kernel::KernelCore& System::Kernel() const {
     return impl->kernel;
 }
 
+HID::HIDCore& System::HIDCore() {
+    return impl->hid_core;
+}
+
+const HID::HIDCore& System::HIDCore() const {
+    return impl->hid_core;
+}
+
 Timing::CoreTiming& System::CoreTiming() {
     return impl->core_timing;
 }
@@ -825,8 +835,6 @@ void System::ApplySettings() {
     if (IsPoweredOn()) {
         Renderer().RefreshBaseSettings();
     }
-
-    Service::HID::ReloadInputDevices();
 }
 
 } // namespace Core

src/core/core.h

@@ -89,6 +89,10 @@ namespace Core::Hardware {
 class InterruptManager;
 }
 
+namespace Core::HID {
+class HIDCore;
+}
+
 namespace Core {
 
 class ARM_Interface;
@@ -285,6 +289,12 @@ public:
     /// Provides a constant reference to the kernel instance.
     [[nodiscard]] const Kernel::KernelCore& Kernel() const;
 
+    /// Gets a mutable reference to the HID interface.
+    [[nodiscard]] HID::HIDCore& HIDCore();
+
+    /// Gets an immutable reference to the HID interface.
+    [[nodiscard]] const HID::HIDCore& HIDCore() const;
+
     /// Provides a reference to the internal PerfStats instance.
     [[nodiscard]] Core::PerfStats& GetPerfStats();
 

src/core/frontend/applets/controller.cpp

@@ -5,16 +5,15 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/frontend/applets/controller.h"
-#include "core/hle/service/hid/controllers/npad.h"
-#include "core/hle/service/hid/hid.h"
-#include "core/hle/service/sm/sm.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 
 namespace Core::Frontend {
 
 ControllerApplet::~ControllerApplet() = default;
 
-DefaultControllerApplet::DefaultControllerApplet(Service::SM::ServiceManager& service_manager_)
-    : service_manager{service_manager_} {}
+DefaultControllerApplet::DefaultControllerApplet(HID::HIDCore& hid_core_) : hid_core{hid_core_} {}
 
 DefaultControllerApplet::~DefaultControllerApplet() = default;
 
@@ -22,24 +21,20 @@ void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callb
                                                      const ControllerParameters& parameters) const {
     LOG_INFO(Service_HID, "called, deducing the best configuration based on the given parameters!");
 
-    auto& npad =
-        service_manager.GetService<Service::HID::Hid>("hid")
-            ->GetAppletResource()
-            ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad);
-
-    auto& players = Settings::values.players.GetValue();
-
     const std::size_t min_supported_players =
         parameters.enable_single_mode ? 1 : parameters.min_players;
 
     // Disconnect Handheld first.
-    npad.DisconnectNpadAtIndex(8);
+    auto* handheld = hid_core.GetEmulatedController(Core::HID::NpadIdType::Handheld);
+    handheld->Disconnect();
 
     // Deduce the best configuration based on the input parameters.
-    for (std::size_t index = 0; index < players.size() - 2; ++index) {
+    for (std::size_t index = 0; index < hid_core.available_controllers - 2; ++index) {
+        auto* controller = hid_core.GetEmulatedControllerByIndex(index);
+
         // First, disconnect all controllers regardless of the value of keep_controllers_connected.
         // This makes it easy to connect the desired controllers.
-        npad.DisconnectNpadAtIndex(index);
+        controller->Disconnect();
 
         // Only connect the minimum number of required players.
         if (index >= min_supported_players) {
@@ -49,27 +44,27 @@ void DefaultControllerApplet::ReconfigureControllers(std::function<void()> callb
         // Connect controllers based on the following priority list from highest to lowest priority:
         // Pro Controller -> Dual Joycons -> Left Joycon/Right Joycon -> Handheld
         if (parameters.allow_pro_controller) {
-            npad.AddNewControllerAt(
-                npad.MapSettingsTypeToNPad(Settings::ControllerType::ProController), index);
+            controller->SetNpadType(Core::HID::NpadType::ProController);
+            controller->Connect();
         } else if (parameters.allow_dual_joycons) {
-            npad.AddNewControllerAt(
-                npad.MapSettingsTypeToNPad(Settings::ControllerType::DualJoyconDetached), index);
+            controller->SetNpadType(Core::HID::NpadType::JoyconDual);
+            controller->Connect();
         } else if (parameters.allow_left_joycon && parameters.allow_right_joycon) {
             // Assign left joycons to even player indices and right joycons to odd player indices.
             // We do this since Captain Toad Treasure Tracker expects a left joycon for Player 1 and
             // a right Joycon for Player 2 in 2 Player Assist mode.
             if (index % 2 == 0) {
-                npad.AddNewControllerAt(
-                    npad.MapSettingsTypeToNPad(Settings::ControllerType::LeftJoycon), index);
+                controller->SetNpadType(Core::HID::NpadType::JoyconLeft);
+                controller->Connect();
             } else {
-                npad.AddNewControllerAt(
-                    npad.MapSettingsTypeToNPad(Settings::ControllerType::RightJoycon), index);
+                controller->SetNpadType(Core::HID::NpadType::JoyconRight);
+                controller->Connect();
             }
         } else if (index == 0 && parameters.enable_single_mode && parameters.allow_handheld &&
                    !Settings::values.use_docked_mode.GetValue()) {
             // We should *never* reach here under any normal circumstances.
-            npad.AddNewControllerAt(npad.MapSettingsTypeToNPad(Settings::ControllerType::Handheld),
-                                    index);
+            controller->SetNpadType(Core::HID::NpadType::Handheld);
+            controller->Connect();
         } else {
             UNREACHABLE_MSG("Unable to add a new controller based on the given parameters!");
         }

src/core/frontend/applets/controller.h

@@ -8,8 +8,8 @@
 
 #include "common/common_types.h"
 
-namespace Service::SM {
-class ServiceManager;
+namespace Core::HID {
+class HIDCore;
 }
 
 namespace Core::Frontend {
@@ -44,14 +44,14 @@ public:
 
 class DefaultControllerApplet final : public ControllerApplet {
 public:
-    explicit DefaultControllerApplet(Service::SM::ServiceManager& service_manager_);
+    explicit DefaultControllerApplet(HID::HIDCore& hid_core_);
     ~DefaultControllerApplet() override;
 
     void ReconfigureControllers(std::function<void()> callback,
                                 const ControllerParameters& parameters) const override;
 
 private:
-    Service::SM::ServiceManager& service_manager;
+    HID::HIDCore& hid_core;
 };
 
 } // namespace Core::Frontend

src/core/frontend/emu_window.cpp

@@ -4,66 +4,31 @@
 
 #include <cmath>
 #include <mutex>
-#include "common/settings.h"
 #include "core/frontend/emu_window.h"
-#include "core/frontend/input.h"
 
 namespace Core::Frontend {
 
 GraphicsContext::~GraphicsContext() = default;
 
-class EmuWindow::TouchState : public Input::Factory<Input::TouchDevice>,
-                              public std::enable_shared_from_this<TouchState> {
-public:
-    std::unique_ptr<Input::TouchDevice> Create(const Common::ParamPackage&) override {
-        return std::make_unique<Device>(shared_from_this());
-    }
-
-    std::mutex mutex;
-
-    Input::TouchStatus status;
-
-private:
-    class Device : public Input::TouchDevice {
-    public:
-        explicit Device(std::weak_ptr<TouchState>&& touch_state_) : touch_state(touch_state_) {}
-        Input::TouchStatus GetStatus() const override {
-            if (auto state = touch_state.lock()) {
-                std::lock_guard guard{state->mutex};
-                return state->status;
-            }
-            return {};
-        }
-
-    private:
-        std::weak_ptr<TouchState> touch_state;
-    };
-};
-
 EmuWindow::EmuWindow() {
     // TODO: Find a better place to set this.
     config.min_client_area_size =
         std::make_pair(Layout::MinimumSize::Width, Layout::MinimumSize::Height);
     active_config = config;
-    touch_state = std::make_shared<TouchState>();
-    Input::RegisterFactory<Input::TouchDevice>("emu_window", touch_state);
 }
 
-EmuWindow::~EmuWindow() {
-    Input::UnregisterFactory<Input::TouchDevice>("emu_window");
-}
+EmuWindow::~EmuWindow() {}
 
-/**
- * Check if the given x/y coordinates are within the touchpad specified by the framebuffer layout
- * @param layout FramebufferLayout object describing the framebuffer size and screen positions
- * @param framebuffer_x Framebuffer x-coordinate to check
- * @param framebuffer_y Framebuffer y-coordinate to check
- * @return True if the coordinates are within the touchpad, otherwise false
- */
-static bool IsWithinTouchscreen(const Layout::FramebufferLayout& layout, u32 framebuffer_x,
-                                u32 framebuffer_y) {
-    return (framebuffer_y >= layout.screen.top && framebuffer_y < layout.screen.bottom &&
-            framebuffer_x >= layout.screen.left && framebuffer_x < layout.screen.right);
+std::pair<f32, f32> EmuWindow::MapToTouchScreen(u32 framebuffer_x, u32 framebuffer_y) const {
+    std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
+    const float x =
+        static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
+        static_cast<float>(framebuffer_layout.screen.right - framebuffer_layout.screen.left);
+    const float y =
+        static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
+        static_cast<float>(framebuffer_layout.screen.bottom - framebuffer_layout.screen.top);
+
+    return std::make_pair(x, y);
 }
 
 std::pair<u32, u32> EmuWindow::ClipToTouchScreen(u32 new_x, u32 new_y) const {
@@ -76,49 +41,6 @@ std::pair<u32, u32> EmuWindow::ClipToTouchScreen(u32 new_x, u32 new_y) const {
     return std::make_pair(new_x, new_y);
 }
 
-void EmuWindow::TouchPressed(u32 framebuffer_x, u32 framebuffer_y, size_t id) {
-    if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) {
-        return;
-    }
-    if (id >= touch_state->status.size()) {
-        return;
-    }
-
-    std::lock_guard guard{touch_state->mutex};
-    const float x =
-        static_cast<float>(framebuffer_x - framebuffer_layout.screen.left) /
-        static_cast<float>(framebuffer_layout.screen.right - framebuffer_layout.screen.left);
-    const float y =
-        static_cast<float>(framebuffer_y - framebuffer_layout.screen.top) /
-        static_cast<float>(framebuffer_layout.screen.bottom - framebuffer_layout.screen.top);
-
-    touch_state->status[id] = std::make_tuple(x, y, true);
-}
-
-void EmuWindow::TouchReleased(size_t id) {
-    if (id >= touch_state->status.size()) {
-        return;
-    }
-    std::lock_guard guard{touch_state->mutex};
-    touch_state->status[id] = std::make_tuple(0.0f, 0.0f, false);
-}
-
-void EmuWindow::TouchMoved(u32 framebuffer_x, u32 framebuffer_y, size_t id) {
-    if (id >= touch_state->status.size()) {
-        return;
-    }
-
-    if (!std::get<2>(touch_state->status[id])) {
-        return;
-    }
-
-    if (!IsWithinTouchscreen(framebuffer_layout, framebuffer_x, framebuffer_y)) {
-        std::tie(framebuffer_x, framebuffer_y) = ClipToTouchScreen(framebuffer_x, framebuffer_y);
-    }
-
-    TouchPressed(framebuffer_x, framebuffer_y, id);
-}
-
 void EmuWindow::UpdateCurrentFramebufferLayout(u32 width, u32 height) {
     NotifyFramebufferLayoutChanged(Layout::DefaultFrameLayout(width, height));
 }

src/core/frontend/emu_window.h

@@ -113,28 +113,6 @@ public:
     /// Returns if window is shown (not minimized)
     virtual bool IsShown() const = 0;
 
-    /**
-     * Signal that a touch pressed event has occurred (e.g. mouse click pressed)
-     * @param framebuffer_x Framebuffer x-coordinate that was pressed
-     * @param framebuffer_y Framebuffer y-coordinate that was pressed
-     * @param id Touch event ID
-     */
-    void TouchPressed(u32 framebuffer_x, u32 framebuffer_y, size_t id);
-
-    /**
-     * Signal that a touch released event has occurred (e.g. mouse click released)
-     * @param id Touch event ID
-     */
-    void TouchReleased(size_t id);
-
-    /**
-     * Signal that a touch movement event has occurred (e.g. mouse was moved over the emu window)
-     * @param framebuffer_x Framebuffer x-coordinate
-     * @param framebuffer_y Framebuffer y-coordinate
-     * @param id Touch event ID
-     */
-    void TouchMoved(u32 framebuffer_x, u32 framebuffer_y, size_t id);
-
     /**
      * Returns currently active configuration.
      * @note Accesses to the returned object need not be consistent because it may be modified in
@@ -213,6 +191,11 @@ protected:
         client_area_height = size.second;
     }
 
+    /**
+     * Converts a screen postion into the equivalent touchscreen position.
+     */
+    std::pair<f32, f32> MapToTouchScreen(u32 framebuffer_x, u32 framebuffer_y) const;
+
     WindowSystemInfo window_info;
 
 private:
@@ -238,9 +221,6 @@ private:
     WindowConfig config;        ///< Internal configuration (changes pending for being applied in
                                 /// ProcessConfigurationChanges)
     WindowConfig active_config; ///< Internal active configuration
-
-    class TouchState;
-    std::shared_ptr<TouchState> touch_state;
 };
 
 } // namespace Core::Frontend

src/core/hid/emulated_console.cpp

@@ -0,0 +1,219 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "core/hid/emulated_console.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+EmulatedConsole::EmulatedConsole() = default;
+
+EmulatedConsole::~EmulatedConsole() = default;
+
+void EmulatedConsole::ReloadFromSettings() {
+    // Using first motion device from player 1. No need to assign a special config at the moment
+    const auto& player = Settings::values.players.GetValue()[0];
+    motion_params = Common::ParamPackage(player.motions[0]);
+
+    ReloadInput();
+}
+
+void EmulatedConsole::SetTouchParams() {
+    // TODO(german77): Support any number of fingers
+    std::size_t index = 0;
+
+    // Hardcode mouse, touchscreen and cemuhook parameters
+    touch_params[index++] = Common::ParamPackage{"engine:mouse,axis_x:10,axis_y:11,button:0"};
+    touch_params[index++] = Common::ParamPackage{"engine:touch,axis_x:0,axis_y:1,button:0"};
+    touch_params[index++] = Common::ParamPackage{"engine:touch,axis_x:2,axis_y:3,button:1"};
+    touch_params[index++] = Common::ParamPackage{"engine:cemuhookudp,axis_x:0,axis_y:1,button:0"};
+    touch_params[index++] = Common::ParamPackage{"engine:cemuhookudp,axis_x:2,axis_y:3,button:1"};
+
+    const auto button_index =
+        static_cast<u64>(Settings::values.touch_from_button_map_index.GetValue());
+    const auto& touch_buttons = Settings::values.touch_from_button_maps[button_index].buttons;
+
+    for (const auto& config_entry : touch_buttons) {
+        Common::ParamPackage params{config_entry};
+        Common::ParamPackage touch_button_params;
+        const int x = params.Get("x", 0);
+        const int y = params.Get("y", 0);
+        params.Erase("x");
+        params.Erase("y");
+        touch_button_params.Set("engine", "touch_from_button");
+        touch_button_params.Set("button", params.Serialize());
+        touch_button_params.Set("x", x);
+        touch_button_params.Set("y", y);
+        touch_button_params.Set("touch_id", static_cast<int>(index));
+        touch_params[index] = touch_button_params;
+        index++;
+        if (index >= touch_params.size()) {
+            return;
+        }
+    }
+}
+
+void EmulatedConsole::ReloadInput() {
+    SetTouchParams();
+    motion_devices = Common::Input::CreateDevice<Common::Input::InputDevice>(motion_params);
+    if (motion_devices) {
+        Common::Input::InputCallback motion_callback{
+            [this](Common::Input::CallbackStatus callback) { SetMotion(callback); }};
+        motion_devices->SetCallback(motion_callback);
+    }
+
+    std::size_t index = 0;
+    for (auto& touch_device : touch_devices) {
+        touch_device = Common::Input::CreateDevice<Common::Input::InputDevice>(touch_params[index]);
+        if (!touch_device) {
+            continue;
+        }
+        Common::Input::InputCallback touch_callback{
+            [this, index](Common::Input::CallbackStatus callback) { SetTouch(callback, index); }};
+        touch_device->SetCallback(touch_callback);
+        index++;
+    }
+}
+
+void EmulatedConsole::UnloadInput() {
+    motion_devices.reset();
+    for (auto& touch : touch_devices) {
+        touch.reset();
+    }
+}
+
+void EmulatedConsole::EnableConfiguration() {
+    is_configuring = true;
+    SaveCurrentConfig();
+}
+
+void EmulatedConsole::DisableConfiguration() {
+    is_configuring = false;
+}
+
+bool EmulatedConsole::IsConfiguring() const {
+    return is_configuring;
+}
+
+void EmulatedConsole::SaveCurrentConfig() {
+    if (!is_configuring) {
+        return;
+    }
+}
+
+void EmulatedConsole::RestoreConfig() {
+    if (!is_configuring) {
+        return;
+    }
+    ReloadFromSettings();
+}
+
+Common::ParamPackage EmulatedConsole::GetMotionParam() const {
+    return motion_params;
+}
+
+void EmulatedConsole::SetMotionParam(Common::ParamPackage param) {
+    motion_params = param;
+    ReloadInput();
+}
+
+void EmulatedConsole::SetMotion(Common::Input::CallbackStatus callback) {
+    std::lock_guard lock{mutex};
+    auto& raw_status = console.motion_values.raw_status;
+    auto& emulated = console.motion_values.emulated;
+
+    raw_status = TransformToMotion(callback);
+    emulated.SetAcceleration(Common::Vec3f{
+        raw_status.accel.x.value,
+        raw_status.accel.y.value,
+        raw_status.accel.z.value,
+    });
+    emulated.SetGyroscope(Common::Vec3f{
+        raw_status.gyro.x.value,
+        raw_status.gyro.y.value,
+        raw_status.gyro.z.value,
+    });
+    emulated.UpdateRotation(raw_status.delta_timestamp);
+    emulated.UpdateOrientation(raw_status.delta_timestamp);
+
+    if (is_configuring) {
+        TriggerOnChange(ConsoleTriggerType::Motion);
+        return;
+    }
+
+    auto& motion = console.motion_state;
+    motion.accel = emulated.GetAcceleration();
+    motion.gyro = emulated.GetGyroscope();
+    motion.rotation = emulated.GetGyroscope();
+    motion.orientation = emulated.GetOrientation();
+    motion.quaternion = emulated.GetQuaternion();
+    motion.is_at_rest = emulated.IsMoving(motion_sensitivity);
+
+    TriggerOnChange(ConsoleTriggerType::Motion);
+}
+
+void EmulatedConsole::SetTouch(Common::Input::CallbackStatus callback,
+                               [[maybe_unused]] std::size_t index) {
+    if (index >= console.touch_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+
+    console.touch_values[index] = TransformToTouch(callback);
+
+    if (is_configuring) {
+        TriggerOnChange(ConsoleTriggerType::Touch);
+        return;
+    }
+
+    // TODO(german77): Remap touch id in sequential order
+    console.touch_state[index] = {
+        .position = {console.touch_values[index].x.value, console.touch_values[index].y.value},
+        .id = static_cast<u32>(console.touch_values[index].id),
+        .pressed = console.touch_values[index].pressed.value,
+    };
+
+    TriggerOnChange(ConsoleTriggerType::Touch);
+}
+
+ConsoleMotionValues EmulatedConsole::GetMotionValues() const {
+    return console.motion_values;
+}
+
+TouchValues EmulatedConsole::GetTouchValues() const {
+    return console.touch_values;
+}
+
+ConsoleMotion EmulatedConsole::GetMotion() const {
+    return console.motion_state;
+}
+
+TouchFingerState EmulatedConsole::GetTouch() const {
+    return console.touch_state;
+}
+
+void EmulatedConsole::TriggerOnChange(ConsoleTriggerType type) {
+    for (const auto& poller_pair : callback_list) {
+        const ConsoleUpdateCallback& poller = poller_pair.second;
+        if (poller.on_change) {
+            poller.on_change(type);
+        }
+    }
+}
+
+int EmulatedConsole::SetCallback(ConsoleUpdateCallback update_callback) {
+    std::lock_guard lock{mutex};
+    callback_list.insert_or_assign(last_callback_key, update_callback);
+    return last_callback_key++;
+}
+
+void EmulatedConsole::DeleteCallback(int key) {
+    std::lock_guard lock{mutex};
+    const auto& iterator = callback_list.find(key);
+    if (iterator == callback_list.end()) {
+        LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+        return;
+    }
+    callback_list.erase(iterator);
+}
+} // namespace Core::HID

src/core/hid/emulated_console.h

@@ -0,0 +1,189 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/point.h"
+#include "common/quaternion.h"
+#include "common/settings.h"
+#include "common/vector_math.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+
+struct ConsoleMotionInfo {
+    Common::Input::MotionStatus raw_status{};
+    MotionInput emulated{};
+};
+
+using ConsoleMotionDevices = std::unique_ptr<Common::Input::InputDevice>;
+using TouchDevices = std::array<std::unique_ptr<Common::Input::InputDevice>, 16>;
+
+using ConsoleMotionParams = Common::ParamPackage;
+using TouchParams = std::array<Common::ParamPackage, 16>;
+
+using ConsoleMotionValues = ConsoleMotionInfo;
+using TouchValues = std::array<Common::Input::TouchStatus, 16>;
+
+struct TouchFinger {
+    u64 last_touch{};
+    Common::Point<float> position{};
+    u32 id{};
+    TouchAttribute attribute{};
+    bool pressed{};
+};
+
+// Contains all motion related data that is used on the services
+struct ConsoleMotion {
+    Common::Vec3f accel{};
+    Common::Vec3f gyro{};
+    Common::Vec3f rotation{};
+    std::array<Common::Vec3f, 3> orientation{};
+    Common::Quaternion<f32> quaternion{};
+    bool is_at_rest{};
+};
+
+using TouchFingerState = std::array<TouchFinger, 16>;
+
+struct ConsoleStatus {
+    // Data from input_common
+    ConsoleMotionValues motion_values{};
+    TouchValues touch_values{};
+
+    // Data for HID services
+    ConsoleMotion motion_state{};
+    TouchFingerState touch_state{};
+};
+
+enum class ConsoleTriggerType {
+    Motion,
+    Touch,
+    All,
+};
+
+struct ConsoleUpdateCallback {
+    std::function<void(ConsoleTriggerType)> on_change;
+};
+
+class EmulatedConsole {
+public:
+    /**
+     * Contains all input data related to the console like motion and touch input
+     */
+    EmulatedConsole();
+    ~EmulatedConsole();
+
+    YUZU_NON_COPYABLE(EmulatedConsole);
+    YUZU_NON_MOVEABLE(EmulatedConsole);
+
+    /// Removes all callbacks created from input devices
+    void UnloadInput();
+
+    /// Sets the emulated console into configuring mode. Locking all HID service events from being
+    /// moddified
+    void EnableConfiguration();
+
+    /// Returns the emulated console to the normal behaivour
+    void DisableConfiguration();
+
+    /// Returns true if the emulated console is on configuring mode
+    bool IsConfiguring() const;
+
+    /// Reload all input devices
+    void ReloadInput();
+
+    /// Overrides current mapped devices with the stored configuration and reloads all input devices
+    void ReloadFromSettings();
+
+    /// Saves the current mapped configuration
+    void SaveCurrentConfig();
+
+    /// Reverts any mapped changes made that weren't saved
+    void RestoreConfig();
+
+    // Returns the current mapped motion device
+    Common::ParamPackage GetMotionParam() const;
+
+    /**
+     * Updates the current mapped motion device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetMotionParam(Common::ParamPackage param);
+
+    /// Returns the latest status of motion input from the console with parameters
+    ConsoleMotionValues GetMotionValues() const;
+
+    /// Returns the latest status of touch input from the console with parameters
+    TouchValues GetTouchValues() const;
+
+    /// Returns the latest status of motion input from the console
+    ConsoleMotion GetMotion() const;
+
+    /// Returns the latest status of touch input from the console
+    TouchFingerState GetTouch() const;
+
+    /**
+     * Adds a callback to the list of events
+     * @param ConsoleUpdateCallback that will be triggered
+     * @return an unique key corresponding to the callback index in the list
+     */
+    int SetCallback(ConsoleUpdateCallback update_callback);
+
+    /**
+     * Removes a callback from the list stopping any future events to this object
+     * @param Key corresponding to the callback index in the list
+     */
+    void DeleteCallback(int key);
+
+private:
+    /// Creates and stores the touch params
+    void SetTouchParams();
+
+    /**
+     * Updates the motion status of the console
+     * @param A CallbackStatus containing gyro and accelerometer data
+     */
+    void SetMotion(Common::Input::CallbackStatus callback);
+
+    /**
+     * Updates the touch status of the console
+     * @param callback: A CallbackStatus containing the touch position
+     * @param index: Finger ID to be updated
+     */
+    void SetTouch(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Triggers a callback that something has changed on the console status
+     * @param Input type of the event to trigger
+     */
+    void TriggerOnChange(ConsoleTriggerType type);
+
+    bool is_configuring{false};
+    f32 motion_sensitivity{0.01f};
+
+    ConsoleMotionParams motion_params;
+    TouchParams touch_params;
+
+    ConsoleMotionDevices motion_devices;
+    TouchDevices touch_devices;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, ConsoleUpdateCallback> callback_list;
+    int last_callback_key = 0;
+
+    // Stores the current status of all console input
+    ConsoleStatus console;
+};
+
+} // namespace Core::HID

src/core/hid/emulated_controller.h

@@ -0,0 +1,392 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/point.h"
+#include "common/quaternion.h"
+#include "common/settings.h"
+#include "common/vector_math.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+const std::size_t max_emulated_controllers = 2;
+struct ControllerMotionInfo {
+    Common::Input::MotionStatus raw_status{};
+    MotionInput emulated{};
+};
+
+using ButtonDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeButton::NumButtons>;
+using StickDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeAnalog::NumAnalogs>;
+using ControllerMotionDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeMotion::NumMotions>;
+using TriggerDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, Settings::NativeTrigger::NumTriggers>;
+using BatteryDevices =
+    std::array<std::unique_ptr<Common::Input::InputDevice>, max_emulated_controllers>;
+using OutputDevices =
+    std::array<std::unique_ptr<Common::Input::OutputDevice>, max_emulated_controllers>;
+
+using ButtonParams = std::array<Common::ParamPackage, Settings::NativeButton::NumButtons>;
+using StickParams = std::array<Common::ParamPackage, Settings::NativeAnalog::NumAnalogs>;
+using ControllerMotionParams = std::array<Common::ParamPackage, Settings::NativeMotion::NumMotions>;
+using TriggerParams = std::array<Common::ParamPackage, Settings::NativeTrigger::NumTriggers>;
+using BatteryParams = std::array<Common::ParamPackage, max_emulated_controllers>;
+using OutputParams = std::array<Common::ParamPackage, max_emulated_controllers>;
+
+using ButtonValues = std::array<Common::Input::ButtonStatus, Settings::NativeButton::NumButtons>;
+using SticksValues = std::array<Common::Input::StickStatus, Settings::NativeAnalog::NumAnalogs>;
+using TriggerValues =
+    std::array<Common::Input::TriggerStatus, Settings::NativeTrigger::NumTriggers>;
+using ControllerMotionValues = std::array<ControllerMotionInfo, Settings::NativeMotion::NumMotions>;
+using ColorValues = std::array<Common::Input::BodyColorStatus, max_emulated_controllers>;
+using BatteryValues = std::array<Common::Input::BatteryStatus, max_emulated_controllers>;
+using VibrationValues = std::array<Common::Input::VibrationStatus, max_emulated_controllers>;
+
+struct AnalogSticks {
+    AnalogStickState left{};
+    AnalogStickState right{};
+};
+
+struct ControllerColors {
+    NpadControllerColor fullkey{};
+    NpadControllerColor left{};
+    NpadControllerColor right{};
+};
+
+struct BatteryLevelState {
+    NpadPowerInfo dual{};
+    NpadPowerInfo left{};
+    NpadPowerInfo right{};
+};
+
+struct ControllerMotion {
+    Common::Vec3f accel{};
+    Common::Vec3f gyro{};
+    Common::Vec3f rotation{};
+    std::array<Common::Vec3f, 3> orientation{};
+    bool is_at_rest{};
+};
+
+enum DeviceIndex : u8 {
+    LeftIndex,
+    RightIndex,
+    DualIndex,
+    AllDevices,
+};
+
+using MotionState = std::array<ControllerMotion, 2>;
+
+struct ControllerStatus {
+    // Data from input_common
+    ButtonValues button_values{};
+    SticksValues stick_values{};
+    ControllerMotionValues motion_values{};
+    TriggerValues trigger_values{};
+    ColorValues color_values{};
+    BatteryValues battery_values{};
+    VibrationValues vibration_values{};
+
+    // Data for HID serices
+    NpadButtonState npad_button_state{};
+    DebugPadButton debug_pad_button_state{};
+    AnalogSticks analog_stick_state{};
+    MotionState motion_state{};
+    NpadGcTriggerState gc_trigger_state{};
+    ControllerColors colors_state{};
+    BatteryLevelState battery_state{};
+};
+
+enum class ControllerTriggerType {
+    Button,
+    Stick,
+    Trigger,
+    Motion,
+    Color,
+    Battery,
+    Vibration,
+    Connected,
+    Disconnected,
+    Type,
+    All,
+};
+
+struct ControllerUpdateCallback {
+    std::function<void(ControllerTriggerType)> on_change;
+    bool is_npad_service;
+};
+
+class EmulatedController {
+public:
+    /**
+     * Contains all input data related to this controller. Like buttons, joysticks, motion.
+     * @param Npad id type for this specific controller
+     */
+    explicit EmulatedController(NpadIdType npad_id_type_);
+    ~EmulatedController();
+
+    YUZU_NON_COPYABLE(EmulatedController);
+    YUZU_NON_MOVEABLE(EmulatedController);
+
+    /// Converts the controller type from settings to npad type
+    static NpadType MapSettingsTypeToNPad(Settings::ControllerType type);
+
+    /// Converts npad type to the equivalent of controller type from settings
+    static Settings::ControllerType MapNPadToSettingsType(NpadType type);
+
+    /// Gets the NpadIdType for this controller
+    NpadIdType GetNpadIdType() const;
+
+    /// Sets the NpadType for this controller
+    void SetNpadType(NpadType npad_type_);
+
+    /**
+     * Gets the NpadType for this controller
+     * @param If true tmp_npad_type will be returned
+     * @return NpadType set on the controller
+     */
+    NpadType GetNpadType(bool get_temporary_value = false) const;
+
+    /// Sets the connected status to true
+    void Connect();
+
+    /// Sets the connected status to false
+    void Disconnect();
+
+    /**
+     * Is the emulated connected
+     * @param If true tmp_is_connected will be returned
+     * @return true if the controller has the connected status
+     */
+    bool IsConnected(bool get_temporary_value = false) const;
+
+    /// Returns true if vibration is enabled
+    bool IsVibrationEnabled() const;
+
+    /// Removes all callbacks created from input devices
+    void UnloadInput();
+
+    /// Sets the emulated console into configuring mode. Locking all HID service events from being
+    /// moddified
+    void EnableConfiguration();
+
+    /// Returns the emulated console to the normal behaivour
+    void DisableConfiguration();
+
+    /// Returns true if the emulated device is on configuring mode
+    bool IsConfiguring() const;
+
+    /// Reload all input devices
+    void ReloadInput();
+
+    /// Overrides current mapped devices with the stored configuration and reloads all input devices
+    void ReloadFromSettings();
+
+    /// Saves the current mapped configuration
+    void SaveCurrentConfig();
+
+    /// Reverts any mapped changes made that weren't saved
+    void RestoreConfig();
+
+    /// Returns a vector of mapped devices from the mapped button and stick parameters
+    std::vector<Common::ParamPackage> GetMappedDevices(DeviceIndex device_index) const;
+
+    // Returns the current mapped button device
+    Common::ParamPackage GetButtonParam(std::size_t index) const;
+
+    // Returns the current mapped stick device
+    Common::ParamPackage GetStickParam(std::size_t index) const;
+
+    // Returns the current mapped motion device
+    Common::ParamPackage GetMotionParam(std::size_t index) const;
+
+    /**
+     * Updates the current mapped button device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetButtonParam(std::size_t index, Common::ParamPackage param);
+
+    /**
+     * Updates the current mapped stick device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetStickParam(std::size_t index, Common::ParamPackage param);
+
+    /**
+     * Updates the current mapped motion device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetMotionParam(std::size_t index, Common::ParamPackage param);
+
+    /// Returns the latest button status from the controller with parameters
+    ButtonValues GetButtonsValues() const;
+
+    /// Returns the latest analog stick status from the controller with parameters
+    SticksValues GetSticksValues() const;
+
+    /// Returns the latest trigger status from the controller with parameters
+    TriggerValues GetTriggersValues() const;
+
+    /// Returns the latest motion status from the controller with parameters
+    ControllerMotionValues GetMotionValues() const;
+
+    /// Returns the latest color status from the controller with parameters
+    ColorValues GetColorsValues() const;
+
+    /// Returns the latest battery status from the controller with parameters
+    BatteryValues GetBatteryValues() const;
+
+    /// Returns the latest status of button input for the npad service
+    NpadButtonState GetNpadButtons() const;
+
+    /// Returns the latest status of button input for the debug pad service
+    DebugPadButton GetDebugPadButtons() const;
+
+    /// Returns the latest status of stick input from the mouse
+    AnalogSticks GetSticks() const;
+
+    /// Returns the latest status of trigger input from the mouse
+    NpadGcTriggerState GetTriggers() const;
+
+    /// Returns the latest status of motion input from the mouse
+    MotionState GetMotions() const;
+
+    /// Returns the latest color value from the controller
+    ControllerColors GetColors() const;
+
+    /// Returns the latest battery status from the controller
+    BatteryLevelState GetBattery() const;
+
+    /*
+     * Sends a specific vibration to the output device
+     * @return returns true if vibration had no errors
+     */
+    bool SetVibration(std::size_t device_index, VibrationValue vibration);
+
+    /*
+     * Sends a small vibration to the output device
+     * @return returns true if SetVibration was successfull
+     */
+    bool TestVibration(std::size_t device_index);
+
+    /// Returns the led pattern corresponding to this emulated controller
+    LedPattern GetLedPattern() const;
+
+    /// Asks the output device to change the player led pattern
+    void SetLedPattern();
+
+    /**
+     * Adds a callback to the list of events
+     * @param ConsoleUpdateCallback that will be triggered
+     * @return an unique key corresponding to the callback index in the list
+     */
+    int SetCallback(ControllerUpdateCallback update_callback);
+
+    /**
+     * Removes a callback from the list stopping any future events to this object
+     * @param Key corresponding to the callback index in the list
+     */
+    void DeleteCallback(int key);
+
+private:
+    /// creates input devices from params
+    void LoadDevices();
+
+    /// Set the params for TAS devices
+    void LoadTASParams();
+
+    /**
+     * Updates the button status of the controller
+     * @param callback: A CallbackStatus containing the button status
+     * @param index: Button ID of the to be updated
+     */
+    void SetButton(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the analog stick status of the controller
+     * @param callback: A CallbackStatus containing the analog stick status
+     * @param index: stick ID of the to be updated
+     */
+    void SetStick(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the trigger status of the controller
+     * @param callback: A CallbackStatus containing the trigger status
+     * @param index: trigger ID of the to be updated
+     */
+    void SetTrigger(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the motion status of the controller
+     * @param callback: A CallbackStatus containing gyro and accelerometer data
+     * @param index: motion ID of the to be updated
+     */
+    void SetMotion(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the battery status of the controller
+     * @param callback: A CallbackStatus containing the battery status
+     * @param index: Button ID of the to be updated
+     */
+    void SetBattery(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Triggers a callback that something has changed on the controller status
+     * @param type: Input type of the event to trigger
+     * @param is_service_update: indicates if this event should be sended to only services
+     */
+    void TriggerOnChange(ControllerTriggerType type, bool is_service_update);
+
+    NpadIdType npad_id_type;
+    NpadType npad_type{NpadType::None};
+    bool is_connected{false};
+    bool is_configuring{false};
+    f32 motion_sensitivity{0.01f};
+    bool force_update_motion{false};
+
+    // Temporary values to avoid doing changes while the controller is on configuration mode
+    NpadType tmp_npad_type{NpadType::None};
+    bool tmp_is_connected{false};
+
+    ButtonParams button_params;
+    StickParams stick_params;
+    ControllerMotionParams motion_params;
+    TriggerParams trigger_params;
+    BatteryParams battery_params;
+    OutputParams output_params;
+
+    ButtonDevices button_devices;
+    StickDevices stick_devices;
+    ControllerMotionDevices motion_devices;
+    TriggerDevices trigger_devices;
+    BatteryDevices battery_devices;
+    OutputDevices output_devices;
+
+    // TAS related variables
+    ButtonParams tas_button_params;
+    StickParams tas_stick_params;
+    ButtonDevices tas_button_devices;
+    StickDevices tas_stick_devices;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, ControllerUpdateCallback> callback_list;
+    int last_callback_key = 0;
+
+    // Stores the current status of all controller input
+    ControllerStatus controller;
+};
+
+} // namespace Core::HID

src/core/hid/emulated_devices.cpp

@@ -0,0 +1,372 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include <algorithm>
+#include <fmt/format.h>
+
+#include "core/hid/emulated_devices.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+
+EmulatedDevices::EmulatedDevices() = default;
+
+EmulatedDevices::~EmulatedDevices() = default;
+
+void EmulatedDevices::ReloadFromSettings() {
+    const auto& mouse = Settings::values.mouse_buttons;
+
+    for (std::size_t index = 0; index < mouse.size(); ++index) {
+        mouse_button_params[index] = Common::ParamPackage(mouse[index]);
+    }
+    ReloadInput();
+}
+
+void EmulatedDevices::ReloadInput() {
+    std::transform(mouse_button_params.begin() + Settings::NativeMouseButton::MOUSE_HID_BEGIN,
+                   mouse_button_params.begin() + Settings::NativeMouseButton::MOUSE_HID_END,
+                   mouse_button_devices.begin(),
+                   Common::Input::CreateDevice<Common::Input::InputDevice>);
+
+    std::transform(Settings::values.keyboard_keys.begin(), Settings::values.keyboard_keys.end(),
+                   keyboard_devices.begin(),
+                   Common::Input::CreateDeviceFromString<Common::Input::InputDevice>);
+
+    std::transform(Settings::values.keyboard_mods.begin(), Settings::values.keyboard_mods.end(),
+                   keyboard_modifier_devices.begin(),
+                   Common::Input::CreateDeviceFromString<Common::Input::InputDevice>);
+
+    for (std::size_t index = 0; index < mouse_button_devices.size(); ++index) {
+        if (!mouse_button_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetMouseButton(callback, index);
+            }};
+        mouse_button_devices[index]->SetCallback(button_callback);
+    }
+
+    for (std::size_t index = 0; index < keyboard_devices.size(); ++index) {
+        if (!keyboard_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetKeyboardButton(callback, index);
+            }};
+        keyboard_devices[index]->SetCallback(button_callback);
+    }
+
+    for (std::size_t index = 0; index < keyboard_modifier_devices.size(); ++index) {
+        if (!keyboard_modifier_devices[index]) {
+            continue;
+        }
+        Common::Input::InputCallback button_callback{
+            [this, index](Common::Input::CallbackStatus callback) {
+                SetKeyboardModifier(callback, index);
+            }};
+        keyboard_modifier_devices[index]->SetCallback(button_callback);
+    }
+}
+
+void EmulatedDevices::UnloadInput() {
+    for (auto& button : mouse_button_devices) {
+        button.reset();
+    }
+    for (auto& button : keyboard_devices) {
+        button.reset();
+    }
+    for (auto& button : keyboard_modifier_devices) {
+        button.reset();
+    }
+}
+
+void EmulatedDevices::EnableConfiguration() {
+    is_configuring = true;
+    SaveCurrentConfig();
+}
+
+void EmulatedDevices::DisableConfiguration() {
+    is_configuring = false;
+}
+
+bool EmulatedDevices::IsConfiguring() const {
+    return is_configuring;
+}
+
+void EmulatedDevices::SaveCurrentConfig() {
+    if (!is_configuring) {
+        return;
+    }
+
+    auto& mouse = Settings::values.mouse_buttons;
+
+    for (std::size_t index = 0; index < mouse.size(); ++index) {
+        mouse[index] = mouse_button_params[index].Serialize();
+    }
+}
+
+void EmulatedDevices::RestoreConfig() {
+    if (!is_configuring) {
+        return;
+    }
+    ReloadFromSettings();
+}
+
+Common::ParamPackage EmulatedDevices::GetMouseButtonParam(std::size_t index) const {
+    if (index >= mouse_button_params.size()) {
+        return {};
+    }
+    return mouse_button_params[index];
+}
+
+void EmulatedDevices::SetMouseButtonParam(std::size_t index, Common::ParamPackage param) {
+    if (index >= mouse_button_params.size()) {
+        return;
+    }
+    mouse_button_params[index] = param;
+    ReloadInput();
+}
+
+void EmulatedDevices::SetKeyboardButton(Common::Input::CallbackStatus callback, std::size_t index) {
+    if (index >= device_status.keyboard_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    bool value_changed = false;
+    const auto new_status = TransformToButton(callback);
+    auto& current_status = device_status.keyboard_values[index];
+    current_status.toggle = new_status.toggle;
+
+    // Update button status with current status
+    if (!current_status.toggle) {
+        current_status.locked = false;
+        if (current_status.value != new_status.value) {
+            current_status.value = new_status.value;
+            value_changed = true;
+        }
+    } else {
+        // Toggle button and lock status
+        if (new_status.value && !current_status.locked) {
+            current_status.locked = true;
+            current_status.value = !current_status.value;
+            value_changed = true;
+        }
+
+        // Unlock button, ready for next press
+        if (!new_status.value && current_status.locked) {
+            current_status.locked = false;
+        }
+    }
+
+    if (!value_changed) {
+        return;
+    }
+
+    if (is_configuring) {
+        TriggerOnChange(DeviceTriggerType::Keyboard);
+        return;
+    }
+
+    UpdateKey(index, current_status.value);
+
+    TriggerOnChange(DeviceTriggerType::Keyboard);
+}
+
+void EmulatedDevices::UpdateKey(std::size_t key_index, bool status) {
+    constexpr u8 KEYS_PER_BYTE = 8;
+    auto& entry = device_status.keyboard_state.key[key_index / KEYS_PER_BYTE];
+    const u8 mask = static_cast<u8>(1 << (key_index % KEYS_PER_BYTE));
+    if (status) {
+        entry = entry | mask;
+    } else {
+        entry = static_cast<u8>(entry & ~mask);
+    }
+}
+
+void EmulatedDevices::SetKeyboardModifier(Common::Input::CallbackStatus callback,
+                                          std::size_t index) {
+    if (index >= device_status.keyboard_moddifier_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    bool value_changed = false;
+    const auto new_status = TransformToButton(callback);
+    auto& current_status = device_status.keyboard_moddifier_values[index];
+    current_status.toggle = new_status.toggle;
+
+    // Update button status with current
+    if (!current_status.toggle) {
+        current_status.locked = false;
+        if (current_status.value != new_status.value) {
+            current_status.value = new_status.value;
+            value_changed = true;
+        }
+    } else {
+        // Toggle button and lock status
+        if (new_status.value && !current_status.locked) {
+            current_status.locked = true;
+            current_status.value = !current_status.value;
+            value_changed = true;
+        }
+
+        // Unlock button ready for next press
+        if (!new_status.value && current_status.locked) {
+            current_status.locked = false;
+        }
+    }
+
+    if (!value_changed) {
+        return;
+    }
+
+    if (is_configuring) {
+        TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
+        return;
+    }
+
+    switch (index) {
+    case Settings::NativeKeyboard::LeftControl:
+    case Settings::NativeKeyboard::RightControl:
+        device_status.keyboard_moddifier_state.control.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::LeftShift:
+    case Settings::NativeKeyboard::RightShift:
+        device_status.keyboard_moddifier_state.shift.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::LeftAlt:
+        device_status.keyboard_moddifier_state.left_alt.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::RightAlt:
+        device_status.keyboard_moddifier_state.right_alt.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::CapsLock:
+        device_status.keyboard_moddifier_state.caps_lock.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::ScrollLock:
+        device_status.keyboard_moddifier_state.scroll_lock.Assign(current_status.value);
+        break;
+    case Settings::NativeKeyboard::NumLock:
+        device_status.keyboard_moddifier_state.num_lock.Assign(current_status.value);
+        break;
+    }
+
+    TriggerOnChange(DeviceTriggerType::KeyboardModdifier);
+}
+
+void EmulatedDevices::SetMouseButton(Common::Input::CallbackStatus callback, std::size_t index) {
+    if (index >= device_status.mouse_button_values.size()) {
+        return;
+    }
+    std::lock_guard lock{mutex};
+    bool value_changed = false;
+    const auto new_status = TransformToButton(callback);
+    auto& current_status = device_status.mouse_button_values[index];
+    current_status.toggle = new_status.toggle;
+
+    // Update button status with current
+    if (!current_status.toggle) {
+        current_status.locked = false;
+        if (current_status.value != new_status.value) {
+            current_status.value = new_status.value;
+            value_changed = true;
+        }
+    } else {
+        // Toggle button and lock status
+        if (new_status.value && !current_status.locked) {
+            current_status.locked = true;
+            current_status.value = !current_status.value;
+            value_changed = true;
+        }
+
+        // Unlock button ready for next press
+        if (!new_status.value && current_status.locked) {
+            current_status.locked = false;
+        }
+    }
+
+    if (!value_changed) {
+        return;
+    }
+
+    if (is_configuring) {
+        TriggerOnChange(DeviceTriggerType::Mouse);
+        return;
+    }
+
+    switch (index) {
+    case Settings::NativeMouseButton::Left:
+        device_status.mouse_button_state.left.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Right:
+        device_status.mouse_button_state.right.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Middle:
+        device_status.mouse_button_state.middle.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Forward:
+        device_status.mouse_button_state.forward.Assign(current_status.value);
+        break;
+    case Settings::NativeMouseButton::Back:
+        device_status.mouse_button_state.back.Assign(current_status.value);
+        break;
+    }
+
+    TriggerOnChange(DeviceTriggerType::Mouse);
+}
+
+KeyboardValues EmulatedDevices::GetKeyboardValues() const {
+    return device_status.keyboard_values;
+}
+
+KeyboardModifierValues EmulatedDevices::GetKeyboardModdifierValues() const {
+    return device_status.keyboard_moddifier_values;
+}
+
+MouseButtonValues EmulatedDevices::GetMouseButtonsValues() const {
+    return device_status.mouse_button_values;
+}
+
+KeyboardKey EmulatedDevices::GetKeyboard() const {
+    return device_status.keyboard_state;
+}
+
+KeyboardModifier EmulatedDevices::GetKeyboardModifier() const {
+    return device_status.keyboard_moddifier_state;
+}
+
+MouseButton EmulatedDevices::GetMouseButtons() const {
+    return device_status.mouse_button_state;
+}
+
+MousePosition EmulatedDevices::GetMousePosition() const {
+    return device_status.mouse_position_state;
+}
+
+void EmulatedDevices::TriggerOnChange(DeviceTriggerType type) {
+    for (const auto& poller_pair : callback_list) {
+        const InterfaceUpdateCallback& poller = poller_pair.second;
+        if (poller.on_change) {
+            poller.on_change(type);
+        }
+    }
+}
+
+int EmulatedDevices::SetCallback(InterfaceUpdateCallback update_callback) {
+    std::lock_guard lock{mutex};
+    callback_list.insert_or_assign(last_callback_key, update_callback);
+    return last_callback_key++;
+}
+
+void EmulatedDevices::DeleteCallback(int key) {
+    std::lock_guard lock{mutex};
+    const auto& iterator = callback_list.find(key);
+    if (iterator == callback_list.end()) {
+        LOG_ERROR(Input, "Tried to delete non-existent callback {}", key);
+        return;
+    }
+    callback_list.erase(iterator);
+}
+} // namespace Core::HID

src/core/hid/emulated_devices.h

@@ -0,0 +1,196 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "common/input.h"
+#include "common/param_package.h"
+#include "common/settings.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+
+using KeyboardDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                   Settings::NativeKeyboard::NumKeyboardKeys>;
+using KeyboardModifierDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                           Settings::NativeKeyboard::NumKeyboardMods>;
+using MouseButtonDevices = std::array<std::unique_ptr<Common::Input::InputDevice>,
+                                      Settings::NativeMouseButton::NumMouseButtons>;
+
+using MouseButtonParams =
+    std::array<Common::ParamPackage, Settings::NativeMouseButton::NumMouseButtons>;
+
+using KeyboardValues =
+    std::array<Common::Input::ButtonStatus, Settings::NativeKeyboard::NumKeyboardKeys>;
+using KeyboardModifierValues =
+    std::array<Common::Input::ButtonStatus, Settings::NativeKeyboard::NumKeyboardMods>;
+using MouseButtonValues =
+    std::array<Common::Input::ButtonStatus, Settings::NativeMouseButton::NumMouseButtons>;
+
+struct MousePosition {
+    s32 x;
+    s32 y;
+    s32 delta_wheel_x;
+    s32 delta_wheel_y;
+};
+
+struct DeviceStatus {
+    // Data from input_common
+    KeyboardValues keyboard_values{};
+    KeyboardModifierValues keyboard_moddifier_values{};
+    MouseButtonValues mouse_button_values{};
+
+    // Data for HID serices
+    KeyboardKey keyboard_state{};
+    KeyboardModifier keyboard_moddifier_state{};
+    MouseButton mouse_button_state{};
+    MousePosition mouse_position_state{};
+};
+
+enum class DeviceTriggerType {
+    Keyboard,
+    KeyboardModdifier,
+    Mouse,
+};
+
+struct InterfaceUpdateCallback {
+    std::function<void(DeviceTriggerType)> on_change;
+};
+
+class EmulatedDevices {
+public:
+    /**
+     * Contains all input data related to external devices that aren't necesarily a controller
+     * like keyboard and mouse
+     */
+    EmulatedDevices();
+    ~EmulatedDevices();
+
+    YUZU_NON_COPYABLE(EmulatedDevices);
+    YUZU_NON_MOVEABLE(EmulatedDevices);
+
+    /// Removes all callbacks created from input devices
+    void UnloadInput();
+
+    /// Sets the emulated console into configuring mode. Locking all HID service events from being
+    /// moddified
+    void EnableConfiguration();
+
+    /// Returns the emulated console to the normal behaivour
+    void DisableConfiguration();
+
+    /// Returns true if the emulated device is on configuring mode
+    bool IsConfiguring() const;
+
+    /// Reload all input devices
+    void ReloadInput();
+
+    /// Overrides current mapped devices with the stored configuration and reloads all input devices
+    void ReloadFromSettings();
+
+    /// Saves the current mapped configuration
+    void SaveCurrentConfig();
+
+    /// Reverts any mapped changes made that weren't saved
+    void RestoreConfig();
+
+    /// Returns the current mapped motion device
+    Common::ParamPackage GetMouseButtonParam(std::size_t index) const;
+
+    /**
+     * Updates the current mapped mouse button device
+     * @param ParamPackage with controller data to be mapped
+     */
+    void SetMouseButtonParam(std::size_t index, Common::ParamPackage param);
+
+    /// Returns the latest status of button input from the keyboard with parameters
+    KeyboardValues GetKeyboardValues() const;
+
+    /// Returns the latest status of button input from the keyboard modifiers with parameters
+    KeyboardModifierValues GetKeyboardModdifierValues() const;
+
+    /// Returns the latest status of button input from the mouse with parameters
+    MouseButtonValues GetMouseButtonsValues() const;
+
+    /// Returns the latest status of button input from the keyboard
+    KeyboardKey GetKeyboard() const;
+
+    /// Returns the latest status of button input from the keyboard modifiers
+    KeyboardModifier GetKeyboardModifier() const;
+
+    /// Returns the latest status of button input from the mouse
+    MouseButton GetMouseButtons() const;
+
+    /// Returns the latest mouse coordinates
+    MousePosition GetMousePosition() const;
+
+    /**
+     * Adds a callback to the list of events
+     * @param ConsoleUpdateCallback that will be triggered
+     * @return an unique key corresponding to the callback index in the list
+     */
+    int SetCallback(InterfaceUpdateCallback update_callback);
+
+    /**
+     * Removes a callback from the list stopping any future events to this object
+     * @param Key corresponding to the callback index in the list
+     */
+    void DeleteCallback(int key);
+
+private:
+    /// Helps assigning a value to keyboard_state
+    void UpdateKey(std::size_t key_index, bool status);
+
+    /**
+     * Updates the touch status of the console
+     * @param callback: A CallbackStatus containing the key status
+     * @param index: key ID to be updated
+     */
+    void SetKeyboardButton(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the touch status of the console
+     * @param callback: A CallbackStatus containing the modifier key status
+     * @param index: modifier key ID to be updated
+     */
+    void SetKeyboardModifier(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Updates the touch status of the console
+     * @param callback: A CallbackStatus containing the button status
+     * @param index: Button ID of the to be updated
+     */
+    void SetMouseButton(Common::Input::CallbackStatus callback, std::size_t index);
+
+    /**
+     * Triggers a callback that something has changed on the device status
+     * @param Input type of the event to trigger
+     */
+    void TriggerOnChange(DeviceTriggerType type);
+
+    bool is_configuring{false};
+
+    MouseButtonParams mouse_button_params;
+
+    KeyboardDevices keyboard_devices;
+    KeyboardModifierDevices keyboard_modifier_devices;
+    MouseButtonDevices mouse_button_devices;
+
+    mutable std::mutex mutex;
+    std::unordered_map<int, InterfaceUpdateCallback> callback_list;
+    int last_callback_key = 0;
+
+    // Stores the current status of all external device input
+    DeviceStatus device_status;
+};
+
+} // namespace Core::HID

src/core/hid/hid_core.cpp

@@ -0,0 +1,168 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "core/hid/emulated_console.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/emulated_devices.h"
+#include "core/hid/hid_core.h"
+
+namespace Core::HID {
+
+HIDCore::HIDCore()
+    : player_1{std::make_unique<EmulatedController>(NpadIdType::Player1)},
+      player_2{std::make_unique<EmulatedController>(NpadIdType::Player2)},
+      player_3{std::make_unique<EmulatedController>(NpadIdType::Player3)},
+      player_4{std::make_unique<EmulatedController>(NpadIdType::Player4)},
+      player_5{std::make_unique<EmulatedController>(NpadIdType::Player5)},
+      player_6{std::make_unique<EmulatedController>(NpadIdType::Player6)},
+      player_7{std::make_unique<EmulatedController>(NpadIdType::Player7)},
+      player_8{std::make_unique<EmulatedController>(NpadIdType::Player8)},
+      other{std::make_unique<EmulatedController>(NpadIdType::Other)},
+      handheld{std::make_unique<EmulatedController>(NpadIdType::Handheld)},
+      console{std::make_unique<EmulatedConsole>()}, devices{std::make_unique<EmulatedDevices>()} {}
+
+HIDCore::~HIDCore() = default;
+
+EmulatedController* HIDCore::GetEmulatedController(NpadIdType npad_id_type) {
+    switch (npad_id_type) {
+    case NpadIdType::Player1:
+        return player_1.get();
+    case NpadIdType::Player2:
+        return player_2.get();
+    case NpadIdType::Player3:
+        return player_3.get();
+    case NpadIdType::Player4:
+        return player_4.get();
+    case NpadIdType::Player5:
+        return player_5.get();
+    case NpadIdType::Player6:
+        return player_6.get();
+    case NpadIdType::Player7:
+        return player_7.get();
+    case NpadIdType::Player8:
+        return player_8.get();
+    case NpadIdType::Other:
+        return other.get();
+    case NpadIdType::Handheld:
+        return handheld.get();
+    case NpadIdType::Invalid:
+    default:
+        UNREACHABLE_MSG("Invalid NpadIdType={}", npad_id_type);
+        return nullptr;
+    }
+}
+
+const EmulatedController* HIDCore::GetEmulatedController(NpadIdType npad_id_type) const {
+    switch (npad_id_type) {
+    case NpadIdType::Player1:
+        return player_1.get();
+    case NpadIdType::Player2:
+        return player_2.get();
+    case NpadIdType::Player3:
+        return player_3.get();
+    case NpadIdType::Player4:
+        return player_4.get();
+    case NpadIdType::Player5:
+        return player_5.get();
+    case NpadIdType::Player6:
+        return player_6.get();
+    case NpadIdType::Player7:
+        return player_7.get();
+    case NpadIdType::Player8:
+        return player_8.get();
+    case NpadIdType::Other:
+        return other.get();
+    case NpadIdType::Handheld:
+        return handheld.get();
+    case NpadIdType::Invalid:
+    default:
+        UNREACHABLE_MSG("Invalid NpadIdType={}", npad_id_type);
+        return nullptr;
+    }
+}
+EmulatedConsole* HIDCore::GetEmulatedConsole() {
+    return console.get();
+}
+
+const EmulatedConsole* HIDCore::GetEmulatedConsole() const {
+    return console.get();
+}
+
+EmulatedDevices* HIDCore::GetEmulatedDevices() {
+    return devices.get();
+}
+
+const EmulatedDevices* HIDCore::GetEmulatedDevices() const {
+    return devices.get();
+}
+
+EmulatedController* HIDCore::GetEmulatedControllerByIndex(std::size_t index) {
+    return GetEmulatedController(IndexToNpadIdType(index));
+}
+
+const EmulatedController* HIDCore::GetEmulatedControllerByIndex(std::size_t index) const {
+    return GetEmulatedController(IndexToNpadIdType(index));
+}
+
+void HIDCore::SetSupportedStyleTag(NpadStyleTag style_tag) {
+    supported_style_tag.raw = style_tag.raw;
+}
+
+NpadStyleTag HIDCore::GetSupportedStyleTag() const {
+    return supported_style_tag;
+}
+
+s8 HIDCore::GetPlayerCount() const {
+    s8 active_players = 0;
+    for (std::size_t player_index = 0; player_index < available_controllers - 2; ++player_index) {
+        const auto* const controller = GetEmulatedControllerByIndex(player_index);
+        if (controller->IsConnected()) {
+            active_players++;
+        }
+    }
+    return active_players;
+}
+
+NpadIdType HIDCore::GetFirstNpadId() const {
+    for (std::size_t player_index = 0; player_index < available_controllers; ++player_index) {
+        const auto* const controller = GetEmulatedControllerByIndex(player_index);
+        if (controller->IsConnected()) {
+            return controller->GetNpadIdType();
+        }
+    }
+    return NpadIdType::Player1;
+}
+
+void HIDCore::ReloadInputDevices() {
+    player_1->ReloadFromSettings();
+    player_2->ReloadFromSettings();
+    player_3->ReloadFromSettings();
+    player_4->ReloadFromSettings();
+    player_5->ReloadFromSettings();
+    player_6->ReloadFromSettings();
+    player_7->ReloadFromSettings();
+    player_8->ReloadFromSettings();
+    other->ReloadFromSettings();
+    handheld->ReloadFromSettings();
+    console->ReloadFromSettings();
+    devices->ReloadFromSettings();
+}
+
+void HIDCore::UnloadInputDevices() {
+    player_1->UnloadInput();
+    player_2->UnloadInput();
+    player_3->UnloadInput();
+    player_4->UnloadInput();
+    player_5->UnloadInput();
+    player_6->UnloadInput();
+    player_7->UnloadInput();
+    player_8->UnloadInput();
+    other->UnloadInput();
+    handheld->UnloadInput();
+    console->UnloadInput();
+    devices->UnloadInput();
+}
+
+} // namespace Core::HID

src/core/hid/hid_core.h

@@ -0,0 +1,73 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+
+#include "core/hid/hid_types.h"
+
+namespace Core::HID {
+class EmulatedConsole;
+class EmulatedController;
+class EmulatedDevices;
+} // namespace Core::HID
+
+namespace Core::HID {
+
+class HIDCore {
+public:
+    explicit HIDCore();
+    ~HIDCore();
+
+    YUZU_NON_COPYABLE(HIDCore);
+    YUZU_NON_MOVEABLE(HIDCore);
+
+    EmulatedController* GetEmulatedController(NpadIdType npad_id_type);
+    const EmulatedController* GetEmulatedController(NpadIdType npad_id_type) const;
+
+    EmulatedController* GetEmulatedControllerByIndex(std::size_t index);
+    const EmulatedController* GetEmulatedControllerByIndex(std::size_t index) const;
+
+    EmulatedConsole* GetEmulatedConsole();
+    const EmulatedConsole* GetEmulatedConsole() const;
+
+    EmulatedDevices* GetEmulatedDevices();
+    const EmulatedDevices* GetEmulatedDevices() const;
+
+    void SetSupportedStyleTag(NpadStyleTag style_tag);
+    NpadStyleTag GetSupportedStyleTag() const;
+
+    /// Counts the connected players from P1-P8
+    s8 GetPlayerCount() const;
+
+    /// Returns the first connected npad id
+    NpadIdType GetFirstNpadId() const;
+
+    /// Reloads all input devices from settings
+    void ReloadInputDevices();
+
+    /// Removes all callbacks from input common
+    void UnloadInputDevices();
+
+    /// Number of emulated controllers
+    const std::size_t available_controllers{10};
+
+private:
+    std::unique_ptr<EmulatedController> player_1;
+    std::unique_ptr<EmulatedController> player_2;
+    std::unique_ptr<EmulatedController> player_3;
+    std::unique_ptr<EmulatedController> player_4;
+    std::unique_ptr<EmulatedController> player_5;
+    std::unique_ptr<EmulatedController> player_6;
+    std::unique_ptr<EmulatedController> player_7;
+    std::unique_ptr<EmulatedController> player_8;
+    std::unique_ptr<EmulatedController> other;
+    std::unique_ptr<EmulatedController> handheld;
+    std::unique_ptr<EmulatedConsole> console;
+    std::unique_ptr<EmulatedDevices> devices;
+    NpadStyleTag supported_style_tag;
+};
+
+} // namespace Core::HID

src/core/hid/hid_types.h

@@ -0,0 +1,416 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "common/point.h"
+#include "common/uuid.h"
+
+namespace Core::HID {
+
+// This is nn::hid::NpadIdType
+enum class NpadIdType : u8 {
+    Player1 = 0x0,
+    Player2 = 0x1,
+    Player3 = 0x2,
+    Player4 = 0x3,
+    Player5 = 0x4,
+    Player6 = 0x5,
+    Player7 = 0x6,
+    Player8 = 0x7,
+    Other = 0x10,
+    Handheld = 0x20,
+
+    Invalid = 0xFF,
+};
+
+/// Converts a NpadIdType to an array index.
+constexpr size_t NpadIdTypeToIndex(NpadIdType npad_id_type) {
+    switch (npad_id_type) {
+    case NpadIdType::Player1:
+        return 0;
+    case NpadIdType::Player2:
+        return 1;
+    case NpadIdType::Player3:
+        return 2;
+    case NpadIdType::Player4:
+        return 3;
+    case NpadIdType::Player5:
+        return 4;
+    case NpadIdType::Player6:
+        return 5;
+    case NpadIdType::Player7:
+        return 6;
+    case NpadIdType::Player8:
+        return 7;
+    case NpadIdType::Handheld:
+        return 8;
+    case NpadIdType::Other:
+        return 9;
+    default:
+        return 0;
+    }
+}
+
+/// Converts an array index to a NpadIdType
+constexpr NpadIdType IndexToNpadIdType(size_t index) {
+    switch (index) {
+    case 0:
+        return NpadIdType::Player1;
+    case 1:
+        return NpadIdType::Player2;
+    case 2:
+        return NpadIdType::Player3;
+    case 3:
+        return NpadIdType::Player4;
+    case 4:
+        return NpadIdType::Player5;
+    case 5:
+        return NpadIdType::Player6;
+    case 6:
+        return NpadIdType::Player7;
+    case 7:
+        return NpadIdType::Player8;
+    case 8:
+        return NpadIdType::Handheld;
+    case 9:
+        return NpadIdType::Other;
+    default:
+        return NpadIdType::Invalid;
+    }
+}
+
+// This is nn::hid::NpadType
+enum class NpadType : u8 {
+    None = 0,
+    ProController = 3,
+    Handheld = 4,
+    JoyconDual = 5,
+    JoyconLeft = 6,
+    JoyconRight = 7,
+    GameCube = 8,
+    Pokeball = 9,
+    MaxNpadType = 10,
+};
+
+// This is nn::hid::NpadStyleTag
+struct NpadStyleTag {
+    union {
+        u32 raw{};
+
+        BitField<0, 1, u32> fullkey;
+        BitField<1, 1, u32> handheld;
+        BitField<2, 1, u32> joycon_dual;
+        BitField<3, 1, u32> joycon_left;
+        BitField<4, 1, u32> joycon_right;
+        BitField<5, 1, u32> gamecube;
+        BitField<6, 1, u32> palma;
+        BitField<7, 1, u32> lark;
+        BitField<8, 1, u32> handheld_lark;
+        BitField<9, 1, u32> lucia;
+        BitField<10, 1, u32> lagoon;
+        BitField<11, 1, u32> lager;
+        BitField<29, 1, u32> system_ext;
+        BitField<30, 1, u32> system;
+    };
+};
+static_assert(sizeof(NpadStyleTag) == 4, "NpadStyleTag is an invalid size");
+
+// This is nn::hid::TouchAttribute
+struct TouchAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> start_touch;
+        BitField<1, 1, u32> end_touch;
+    };
+};
+static_assert(sizeof(TouchAttribute) == 0x4, "TouchAttribute is an invalid size");
+
+// This is nn::hid::TouchState
+struct TouchState {
+    u64 delta_time;
+    TouchAttribute attribute;
+    u32 finger;
+    Common::Point<u32> position;
+    u32 diameter_x;
+    u32 diameter_y;
+    u32 rotation_angle;
+};
+static_assert(sizeof(TouchState) == 0x28, "Touchstate is an invalid size");
+
+// This is nn::hid::NpadControllerColor
+struct NpadControllerColor {
+    u32 body;
+    u32 button;
+};
+static_assert(sizeof(NpadControllerColor) == 8, "NpadControllerColor is an invalid size");
+
+// This is nn::hid::AnalogStickState
+struct AnalogStickState {
+    s32 x;
+    s32 y;
+};
+static_assert(sizeof(AnalogStickState) == 8, "AnalogStickState is an invalid size");
+
+// This is nn::hid::server::NpadGcTriggerState
+struct NpadGcTriggerState {
+    s64 sampling_number{};
+    s32 left{};
+    s32 right{};
+};
+static_assert(sizeof(NpadGcTriggerState) == 0x10, "NpadGcTriggerState is an invalid size");
+
+// This is nn::hid::system::NpadBatteryLevel
+using BatteryLevel = u32;
+static_assert(sizeof(BatteryLevel) == 0x4, "BatteryLevel is an invalid size");
+
+// This is nn::hid::system::NpadPowerInfo
+struct NpadPowerInfo {
+    bool is_powered;
+    bool is_charging;
+    INSERT_PADDING_BYTES(0x6);
+    BatteryLevel battery_level;
+};
+static_assert(sizeof(NpadPowerInfo) == 0xC, "NpadPowerInfo is an invalid size");
+
+struct LedPattern {
+    explicit LedPattern(u64 light1, u64 light2, u64 light3, u64 light4) {
+        position1.Assign(light1);
+        position2.Assign(light2);
+        position3.Assign(light3);
+        position4.Assign(light4);
+    }
+    union {
+        u64 raw{};
+        BitField<0, 1, u64> position1;
+        BitField<1, 1, u64> position2;
+        BitField<2, 1, u64> position3;
+        BitField<3, 1, u64> position4;
+    };
+};
+
+// This is nn::hid::NpadButton
+enum class NpadButton : u64 {
+    None = 0,
+    A = 1U << 0,
+    B = 1U << 1,
+    X = 1U << 2,
+    Y = 1U << 3,
+    StickL = 1U << 4,
+    StickR = 1U << 5,
+    L = 1U << 6,
+    R = 1U << 7,
+    ZL = 1U << 8,
+    ZR = 1U << 9,
+    Plus = 1U << 10,
+    Minus = 1U << 11,
+
+    Left = 1U << 12,
+    Up = 1U << 13,
+    Right = 1U << 14,
+    Down = 1U << 15,
+
+    StickLLeft = 1U << 16,
+    StickLUp = 1U << 17,
+    StickLRight = 1U << 18,
+    StickLDown = 1U << 19,
+
+    StickRLeft = 1U << 20,
+    StickRUp = 1U << 21,
+    StickRRight = 1U << 22,
+    StickRDown = 1U << 23,
+
+    LeftSL = 1U << 24,
+    LeftSR = 1U << 25,
+
+    RightSL = 1U << 26,
+    RightSR = 1U << 27,
+
+    Palma = 1U << 28,
+    Verification = 1U << 29,
+    HandheldLeftB = 1U << 30,
+    LagonCLeft = 1U << 31,
+    LagonCUp = 1ULL << 32,
+    LagonCRight = 1ULL << 33,
+    LagonCDown = 1ULL << 34,
+};
+DECLARE_ENUM_FLAG_OPERATORS(NpadButton);
+
+struct NpadButtonState {
+    union {
+        NpadButton raw{};
+
+        // Buttons
+        BitField<0, 1, u64> a;
+        BitField<1, 1, u64> b;
+        BitField<2, 1, u64> x;
+        BitField<3, 1, u64> y;
+        BitField<4, 1, u64> stick_l;
+        BitField<5, 1, u64> stick_r;
+        BitField<6, 1, u64> l;
+        BitField<7, 1, u64> r;
+        BitField<8, 1, u64> zl;
+        BitField<9, 1, u64> zr;
+        BitField<10, 1, u64> plus;
+        BitField<11, 1, u64> minus;
+
+        // D-Pad
+        BitField<12, 1, u64> left;
+        BitField<13, 1, u64> up;
+        BitField<14, 1, u64> right;
+        BitField<15, 1, u64> down;
+
+        // Left JoyStick
+        BitField<16, 1, u64> stick_l_left;
+        BitField<17, 1, u64> stick_l_up;
+        BitField<18, 1, u64> stick_l_right;
+        BitField<19, 1, u64> stick_l_down;
+
+        // Right JoyStick
+        BitField<20, 1, u64> stick_r_left;
+        BitField<21, 1, u64> stick_r_up;
+        BitField<22, 1, u64> stick_r_right;
+        BitField<23, 1, u64> stick_r_down;
+
+        BitField<24, 1, u64> left_sl;
+        BitField<25, 1, u64> left_sr;
+
+        BitField<26, 1, u64> right_sl;
+        BitField<27, 1, u64> right_sr;
+
+        BitField<28, 1, u64> palma;
+        BitField<29, 1, u64> verification;
+        BitField<30, 1, u64> handheld_left_b;
+        BitField<31, 1, u64> lagon_c_left;
+        BitField<32, 1, u64> lagon_c_up;
+        BitField<33, 1, u64> lagon_c_right;
+        BitField<34, 1, u64> lagon_c_down;
+    };
+};
+static_assert(sizeof(NpadButtonState) == 0x8, "NpadButtonState has incorrect size.");
+
+// This is nn::hid::DebugPadButton
+struct DebugPadButton {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> a;
+        BitField<1, 1, u32> b;
+        BitField<2, 1, u32> x;
+        BitField<3, 1, u32> y;
+        BitField<4, 1, u32> l;
+        BitField<5, 1, u32> r;
+        BitField<6, 1, u32> zl;
+        BitField<7, 1, u32> zr;
+        BitField<8, 1, u32> plus;
+        BitField<9, 1, u32> minus;
+        BitField<10, 1, u32> d_left;
+        BitField<11, 1, u32> d_up;
+        BitField<12, 1, u32> d_right;
+        BitField<13, 1, u32> d_down;
+    };
+};
+static_assert(sizeof(DebugPadButton) == 0x4, "DebugPadButton is an invalid size");
+
+// This is nn::hid::VibrationDeviceType
+enum class VibrationDeviceType : u32 {
+    Unknown = 0,
+    LinearResonantActuator = 1,
+    GcErm = 2,
+};
+
+// This is nn::hid::VibrationDevicePosition
+enum class VibrationDevicePosition : u32 {
+    None = 0,
+    Left = 1,
+    Right = 2,
+};
+
+// This is nn::hid::VibrationValue
+struct VibrationValue {
+    f32 low_amplitude;
+    f32 low_frequency;
+    f32 high_amplitude;
+    f32 high_frequency;
+};
+static_assert(sizeof(VibrationValue) == 0x10, "VibrationValue has incorrect size.");
+
+// This is nn::hid::VibrationGcErmCommand
+enum class VibrationGcErmCommand : u64 {
+    Stop = 0,
+    Start = 1,
+    StopHard = 2,
+};
+
+// This is nn::hid::VibrationDeviceInfo
+struct VibrationDeviceInfo {
+    VibrationDeviceType type{};
+    VibrationDevicePosition position{};
+};
+static_assert(sizeof(VibrationDeviceInfo) == 0x8, "VibrationDeviceInfo has incorrect size.");
+
+// This is nn::hid::KeyboardModifier
+struct KeyboardModifier {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> control;
+        BitField<1, 1, u32> shift;
+        BitField<2, 1, u32> left_alt;
+        BitField<3, 1, u32> right_alt;
+        BitField<4, 1, u32> gui;
+        BitField<8, 1, u32> caps_lock;
+        BitField<9, 1, u32> scroll_lock;
+        BitField<10, 1, u32> num_lock;
+        BitField<11, 1, u32> katakana;
+        BitField<12, 1, u32> hiragana;
+    };
+};
+static_assert(sizeof(KeyboardModifier) == 0x4, "KeyboardModifier is an invalid size");
+
+// This is nn::hid::KeyboardKey
+struct KeyboardKey {
+    // This should be a 256 bit flag
+    std::array<u8, 32> key;
+};
+static_assert(sizeof(KeyboardKey) == 0x20, "KeyboardKey is an invalid size");
+
+// This is nn::hid::MouseButton
+struct MouseButton {
+    union {
+        u32_le raw{};
+        BitField<0, 1, u32> left;
+        BitField<1, 1, u32> right;
+        BitField<2, 1, u32> middle;
+        BitField<3, 1, u32> forward;
+        BitField<4, 1, u32> back;
+    };
+};
+static_assert(sizeof(MouseButton) == 0x4, "MouseButton is an invalid size");
+
+// This is nn::hid::MouseAttribute
+struct MouseAttribute {
+    union {
+        u32 raw{};
+        BitField<0, 1, u32> transferable;
+        BitField<1, 1, u32> is_connected;
+    };
+};
+static_assert(sizeof(MouseAttribute) == 0x4, "MouseAttribute is an invalid size");
+
+// This is nn::hid::detail::MouseState
+struct MouseState {
+    s64 sampling_number;
+    s32 x;
+    s32 y;
+    s32 delta_x;
+    s32 delta_y;
+    s32 delta_wheel_x;
+    s32 delta_wheel_y;
+    MouseButton button;
+    MouseAttribute attribute;
+};
+static_assert(sizeof(MouseState) == 0x28, "MouseState is an invalid size");
+} // namespace Core::HID

src/core/hid/input_converter.cpp

@@ -0,0 +1,355 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include <random>
+
+#include "common/input.h"
+#include "core/hid/input_converter.h"
+
+namespace Core::HID {
+
+Common::Input::BatteryStatus TransformToBattery(const Common::Input::CallbackStatus& callback) {
+    Common::Input::BatteryStatus battery{Common::Input::BatteryStatus::None};
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+    case Common::Input::InputType::Trigger: {
+        const auto value = TransformToTrigger(callback).analog.value;
+        battery = Common::Input::BatteryLevel::Empty;
+        if (value > 0.2f) {
+            battery = Common::Input::BatteryLevel::Critical;
+        }
+        if (value > 0.4f) {
+            battery = Common::Input::BatteryLevel::Low;
+        }
+        if (value > 0.6f) {
+            battery = Common::Input::BatteryLevel::Medium;
+        }
+        if (value > 0.8f) {
+            battery = Common::Input::BatteryLevel::Full;
+        }
+        if (value >= 1.0f) {
+            battery = Common::Input::BatteryLevel::Charging;
+        }
+        break;
+    }
+    case Common::Input::InputType::Button:
+        battery = callback.button_status.value ? Common::Input::BatteryLevel::Charging
+                                               : Common::Input::BatteryLevel::Critical;
+        break;
+    case Common::Input::InputType::Battery:
+        battery = callback.battery_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to battery not implemented", callback.type);
+        break;
+    }
+
+    return battery;
+}
+
+Common::Input::ButtonStatus TransformToButton(const Common::Input::CallbackStatus& callback) {
+    Common::Input::ButtonStatus status{};
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+    case Common::Input::InputType::Trigger:
+        status.value = TransformToTrigger(callback).pressed.value;
+        break;
+    case Common::Input::InputType::Button:
+        status = callback.button_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to button not implemented", callback.type);
+        break;
+    }
+
+    if (status.inverted) {
+        status.value = !status.value;
+    }
+
+    return status;
+}
+
+Common::Input::MotionStatus TransformToMotion(const Common::Input::CallbackStatus& callback) {
+    Common::Input::MotionStatus status{};
+    switch (callback.type) {
+    case Common::Input::InputType::Button: {
+        Common::Input::AnalogProperties properties{
+            .deadzone = 0.0,
+            .range = 1.0f,
+            .offset = 0.0,
+        };
+        status.delta_timestamp = 5000;
+        status.force_update = true;
+        status.accel.x = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        status.accel.y = {
+            .value = 0.0f,
+            .raw_value = 0.0f,
+            .properties = properties,
+        };
+        status.accel.z = {
+            .value = 0.0f,
+            .raw_value = -1.0f,
+            .properties = properties,
+        };
+        if (TransformToButton(callback).value) {
+            std::random_device device;
+            std::mt19937 gen(device());
+            std::uniform_int_distribution<s16> distribution(-1000, 1000);
+            status.accel.x.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.accel.y.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.accel.z.raw_value = static_cast<f32>(distribution(gen)) * 0.001f;
+            status.gyro.x = {
+                .value = 0,
+                .raw_value = static_cast<f32>(distribution(gen)) * 0.001f,
+                .properties = properties,
+            };
+            status.gyro.y = {
+                .value = 0,
+                .raw_value = static_cast<f32>(distribution(gen)) * 0.001f,
+                .properties = properties,
+            };
+            status.gyro.z = {
+                .value = 0,
+                .raw_value = static_cast<f32>(distribution(gen)) * 0.001f,
+                .properties = properties,
+            };
+        }
+        break;
+    }
+    case Common::Input::InputType::Motion:
+        status = callback.motion_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to motion not implemented", callback.type);
+        break;
+    }
+    SanitizeAnalog(status.accel.x, false);
+    SanitizeAnalog(status.accel.y, false);
+    SanitizeAnalog(status.accel.z, false);
+    SanitizeAnalog(status.gyro.x, false);
+    SanitizeAnalog(status.gyro.y, false);
+    SanitizeAnalog(status.gyro.z, false);
+
+    return status;
+}
+
+Common::Input::StickStatus TransformToStick(const Common::Input::CallbackStatus& callback) {
+    Common::Input::StickStatus status{};
+
+    switch (callback.type) {
+    case Common::Input::InputType::Stick:
+        status = callback.stick_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to stick not implemented", callback.type);
+        break;
+    }
+
+    SanitizeStick(status.x, status.y, true);
+    const auto& properties_x = status.x.properties;
+    const auto& properties_y = status.y.properties;
+    const float x = status.x.value;
+    const float y = status.y.value;
+
+    // Set directional buttons
+    status.right = x > properties_x.threshold;
+    status.left = x < -properties_x.threshold;
+    status.up = y > properties_y.threshold;
+    status.down = y < -properties_y.threshold;
+
+    return status;
+}
+
+Common::Input::TouchStatus TransformToTouch(const Common::Input::CallbackStatus& callback) {
+    Common::Input::TouchStatus status{};
+
+    switch (callback.type) {
+    case Common::Input::InputType::Touch:
+        status = callback.touch_status;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to touch not implemented", callback.type);
+        break;
+    }
+
+    SanitizeAnalog(status.x, true);
+    SanitizeAnalog(status.y, true);
+    float& x = status.x.value;
+    float& y = status.y.value;
+
+    // Adjust if value is inverted
+    x = status.x.properties.inverted ? 1.0f + x : x;
+    y = status.y.properties.inverted ? 1.0f + y : y;
+
+    // clamp value
+    x = std::clamp(x, 0.0f, 1.0f);
+    y = std::clamp(y, 0.0f, 1.0f);
+
+    if (status.pressed.inverted) {
+        status.pressed.value = !status.pressed.value;
+    }
+
+    return status;
+}
+
+Common::Input::TriggerStatus TransformToTrigger(const Common::Input::CallbackStatus& callback) {
+    Common::Input::TriggerStatus status{};
+    float& raw_value = status.analog.raw_value;
+    bool calculate_button_value = true;
+
+    switch (callback.type) {
+    case Common::Input::InputType::Analog:
+        status.analog.properties = callback.analog_status.properties;
+        raw_value = callback.analog_status.raw_value;
+        break;
+    case Common::Input::InputType::Button:
+        status.analog.properties.range = 1.0f;
+        status.analog.properties.inverted = callback.button_status.inverted;
+        raw_value = callback.button_status.value ? 1.0f : 0.0f;
+        break;
+    case Common::Input::InputType::Trigger:
+        status = callback.trigger_status;
+        calculate_button_value = false;
+        break;
+    default:
+        LOG_ERROR(Input, "Conversion from type {} to trigger not implemented", callback.type);
+        break;
+    }
+
+    SanitizeAnalog(status.analog, true);
+    const auto& properties = status.analog.properties;
+    float& value = status.analog.value;
+
+    // Set button status
+    if (calculate_button_value) {
+        status.pressed.value = value > properties.threshold;
+    }
+
+    // Adjust if value is inverted
+    value = properties.inverted ? 1.0f + value : value;
+
+    // clamp value
+    value = std::clamp(value, 0.0f, 1.0f);
+
+    return status;
+}
+
+void SanitizeAnalog(Common::Input::AnalogStatus& analog, bool clamp_value) {
+    const auto& properties = analog.properties;
+    float& raw_value = analog.raw_value;
+    float& value = analog.value;
+
+    if (!std::isnormal(raw_value)) {
+        raw_value = 0;
+    }
+
+    // Apply center offset
+    raw_value -= properties.offset;
+
+    // Set initial values to be formated
+    value = raw_value;
+
+    // Calculate vector size
+    const float r = std::abs(value);
+
+    // Return zero if value is smaller than the deadzone
+    if (r <= properties.deadzone || properties.deadzone == 1.0f) {
+        analog.value = 0;
+        return;
+    }
+
+    // Adjust range of value
+    const float deadzone_factor =
+        1.0f / r * (r - properties.deadzone) / (1.0f - properties.deadzone);
+    value = value * deadzone_factor / properties.range;
+
+    // Invert direction if needed
+    if (properties.inverted) {
+        value = -value;
+    }
+
+    // Clamp value
+    if (clamp_value) {
+        value = std::clamp(value, -1.0f, 1.0f);
+    }
+}
+
+void SanitizeStick(Common::Input::AnalogStatus& analog_x, Common::Input::AnalogStatus& analog_y,
+                   bool clamp_value) {
+    const auto& properties_x = analog_x.properties;
+    const auto& properties_y = analog_y.properties;
+    float& raw_x = analog_x.raw_value;
+    float& raw_y = analog_y.raw_value;
+    float& x = analog_x.value;
+    float& y = analog_y.value;
+
+    if (!std::isnormal(raw_x)) {
+        raw_x = 0;
+    }
+    if (!std::isnormal(raw_y)) {
+        raw_y = 0;
+    }
+
+    // Apply center offset
+    raw_x += properties_x.offset;
+    raw_y += properties_y.offset;
+
+    // Apply X scale correction from offset
+    if (std::abs(properties_x.offset) < 0.5f) {
+        if (raw_x > 0) {
+            raw_x /= 1 + properties_x.offset;
+        } else {
+            raw_x /= 1 - properties_x.offset;
+        }
+    }
+
+    // Apply Y scale correction from offset
+    if (std::abs(properties_y.offset) < 0.5f) {
+        if (raw_y > 0) {
+            raw_y /= 1 + properties_y.offset;
+        } else {
+            raw_y /= 1 - properties_y.offset;
+        }
+    }
+
+    // Invert direction if needed
+    raw_x = properties_x.inverted ? -raw_x : raw_x;
+    raw_y = properties_y.inverted ? -raw_y : raw_y;
+
+    // Set initial values to be formated
+    x = raw_x;
+    y = raw_y;
+
+    // Calculate vector size
+    float r = x * x + y * y;
+    r = std::sqrt(r);
+
+    // TODO(German77): Use deadzone and range of both axis
+
+    // Return zero if values are smaller than the deadzone
+    if (r <= properties_x.deadzone || properties_x.deadzone >= 1.0f) {
+        x = 0;
+        y = 0;
+        return;
+    }
+
+    // Adjust range of joystick
+    const float deadzone_factor =
+        1.0f / r * (r - properties_x.deadzone) / (1.0f - properties_x.deadzone);
+    x = x * deadzone_factor / properties_x.range;
+    y = y * deadzone_factor / properties_x.range;
+    r = r * deadzone_factor / properties_x.range;
+
+    // Normalize joystick
+    if (clamp_value && r > 1.0f) {
+        x /= r;
+        y /= r;
+    }
+}
+
+} // namespace Core::HID

src/core/hid/input_converter.h

@@ -0,0 +1,86 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+namespace Common::Input {
+struct CallbackStatus;
+enum class BatteryLevel : u32;
+using BatteryStatus = BatteryLevel;
+struct AnalogStatus;
+struct ButtonStatus;
+struct MotionStatus;
+struct StickStatus;
+struct TouchStatus;
+struct TriggerStatus;
+}; // namespace Common::Input
+
+namespace Core::HID {
+
+/**
+ * Converts raw input data into a valid battery status.
+ *
+ * @param Supported callbacks: Analog, Battery, Trigger.
+ * @return A valid BatteryStatus object.
+ */
+Common::Input::BatteryStatus TransformToBattery(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid button status. Applies invert properties to the output.
+ *
+ * @param Supported callbacks: Analog, Button, Trigger.
+ * @return A valid TouchStatus object.
+ */
+Common::Input::ButtonStatus TransformToButton(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid motion status.
+ *
+ * @param Supported callbacks: Motion.
+ * @return A valid TouchStatus object.
+ */
+Common::Input::MotionStatus TransformToMotion(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid stick status. Applies offset, deadzone, range and invert
+ * properties to the output.
+ *
+ * @param Supported callbacks: Stick.
+ * @return A valid StickStatus object.
+ */
+Common::Input::StickStatus TransformToStick(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid touch status.
+ *
+ * @param Supported callbacks: Touch.
+ * @return A valid TouchStatus object.
+ */
+Common::Input::TouchStatus TransformToTouch(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw input data into a valid trigger status. Applies offset, deadzone, range and
+ * invert properties to the output. Button status uses the threshold property if necessary.
+ *
+ * @param Supported callbacks: Analog, Button, Trigger.
+ * @return A valid TriggerStatus object.
+ */
+Common::Input::TriggerStatus TransformToTrigger(const Common::Input::CallbackStatus& callback);
+
+/**
+ * Converts raw analog data into a valid analog value
+ * @param An analog object containing raw data and properties, bool that determines if the value
+ * needs to be clamped between -1.0f and 1.0f.
+ */
+void SanitizeAnalog(Common::Input::AnalogStatus& analog, bool clamp_value);
+
+/**
+ * Converts raw stick data into a valid stick value
+ * @param Two analog objects containing raw data and properties, bool that determines if the value
+ * needs to be clamped into the unit circle.
+ */
+void SanitizeStick(Common::Input::AnalogStatus& analog_x, Common::Input::AnalogStatus& analog_y,
+                   bool clamp_value);
+
+} // namespace Core::HID

src/core/hid/input_interpreter.cpp

@@ -0,0 +1,61 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/core.h"
+#include "core/hid/hid_types.h"
+#include "core/hid/input_interpreter.h"
+#include "core/hle/service/hid/controllers/npad.h"
+#include "core/hle/service/hid/hid.h"
+#include "core/hle/service/sm/sm.h"
+
+InputInterpreter::InputInterpreter(Core::System& system)
+    : npad{system.ServiceManager()
+               .GetService<Service::HID::Hid>("hid")
+               ->GetAppletResource()
+               ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)} {
+    ResetButtonStates();
+}
+
+InputInterpreter::~InputInterpreter() = default;
+
+void InputInterpreter::PollInput() {
+    const u64 button_state = npad.GetAndResetPressState();
+
+    previous_index = current_index;
+    current_index = (current_index + 1) % button_states.size();
+
+    button_states[current_index] = button_state;
+}
+
+void InputInterpreter::ResetButtonStates() {
+    previous_index = 0;
+    current_index = 0;
+
+    button_states[0] = 0xFFFFFFFFFFFFFFFF;
+
+    for (std::size_t i = 1; i < button_states.size(); ++i) {
+        button_states[i] = 0;
+    }
+}
+
+bool InputInterpreter::IsButtonPressed(Core::HID::NpadButton button) const {
+    return (button_states[current_index] & static_cast<u64>(button)) != 0;
+}
+
+bool InputInterpreter::IsButtonPressedOnce(Core::HID::NpadButton button) const {
+    const bool current_press = (button_states[current_index] & static_cast<u64>(button)) != 0;
+    const bool previous_press = (button_states[previous_index] & static_cast<u64>(button)) != 0;
+
+    return current_press && !previous_press;
+}
+
+bool InputInterpreter::IsButtonHeld(Core::HID::NpadButton button) const {
+    u64 held_buttons{button_states[0]};
+
+    for (std::size_t i = 1; i < button_states.size(); ++i) {
+        held_buttons &= button_states[i];
+    }
+
+    return (held_buttons & static_cast<u64>(button)) != 0;
+}

src/core/hid/input_interpreter.h

@@ -0,0 +1,112 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+
+namespace Core {
+class System;
+}
+
+namespace Core::HID {
+enum class NpadButton : u64;
+}
+
+namespace Service::HID {
+class Controller_NPad;
+}
+
+/**
+ * The InputInterpreter class interfaces with HID to retrieve button press states.
+ * Input is intended to be polled every 50ms so that a button is considered to be
+ * held down after 400ms has elapsed since the initial button press and subsequent
+ * repeated presses occur every 50ms.
+ */
+class InputInterpreter {
+public:
+    explicit InputInterpreter(Core::System& system);
+    virtual ~InputInterpreter();
+
+    /// Gets a button state from HID and inserts it into the array of button states.
+    void PollInput();
+
+    /// Resets all the button states to their defaults.
+    void ResetButtonStates();
+
+    /**
+     * Checks whether the button is pressed.
+     *
+     * @param button The button to check.
+     *
+     * @returns True when the button is pressed.
+     */
+    [[nodiscard]] bool IsButtonPressed(Core::HID::NpadButton button) const;
+
+    /**
+     * Checks whether any of the buttons in the parameter list is pressed.
+     *
+     * @tparam HIDButton The buttons to check.
+     *
+     * @returns True when at least one of the buttons is pressed.
+     */
+    template <Core::HID::NpadButton... T>
+    [[nodiscard]] bool IsAnyButtonPressed() {
+        return (IsButtonPressed(T) || ...);
+    }
+
+    /**
+     * The specified button is considered to be pressed once
+     * if it is currently pressed and not pressed previously.
+     *
+     * @param button The button to check.
+     *
+     * @returns True when the button is pressed once.
+     */
+    [[nodiscard]] bool IsButtonPressedOnce(Core::HID::NpadButton button) const;
+
+    /**
+     * Checks whether any of the buttons in the parameter list is pressed once.
+     *
+     * @tparam T The buttons to check.
+     *
+     * @returns True when at least one of the buttons is pressed once.
+     */
+    template <Core::HID::NpadButton... T>
+    [[nodiscard]] bool IsAnyButtonPressedOnce() const {
+        return (IsButtonPressedOnce(T) || ...);
+    }
+
+    /**
+     * The specified button is considered to be held down if it is pressed in all 9 button states.
+     *
+     * @param button The button to check.
+     *
+     * @returns True when the button is held down.
+     */
+    [[nodiscard]] bool IsButtonHeld(Core::HID::NpadButton button) const;
+
+    /**
+     * Checks whether any of the buttons in the parameter list is held down.
+     *
+     * @tparam T The buttons to check.
+     *
+     * @returns True when at least one of the buttons is held down.
+     */
+    template <Core::HID::NpadButton... T>
+    [[nodiscard]] bool IsAnyButtonHeld() const {
+        return (IsButtonHeld(T) || ...);
+    }
+
+private:
+    Service::HID::Controller_NPad& npad;
+
+    /// Stores 9 consecutive button states polled from HID.
+    std::array<u64, 9> button_states{};
+
+    std::size_t previous_index{};
+    std::size_t current_index{};
+};

src/core/hid/motion_input.cpp

@@ -0,0 +1,280 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#include "common/math_util.h"
+#include "core/hid/motion_input.h"
+
+namespace Core::HID {
+
+MotionInput::MotionInput() {
+    // Initialize PID constants with default values
+    SetPID(0.3f, 0.005f, 0.0f);
+}
+
+void MotionInput::SetPID(f32 new_kp, f32 new_ki, f32 new_kd) {
+    kp = new_kp;
+    ki = new_ki;
+    kd = new_kd;
+}
+
+void MotionInput::SetAcceleration(const Common::Vec3f& acceleration) {
+    accel = acceleration;
+}
+
+void MotionInput::SetGyroscope(const Common::Vec3f& gyroscope) {
+    gyro = gyroscope - gyro_drift;
+
+    // Auto adjust drift to minimize drift
+    if (!IsMoving(0.1f)) {
+        gyro_drift = (gyro_drift * 0.9999f) + (gyroscope * 0.0001f);
+    }
+
+    if (gyro.Length2() < gyro_threshold) {
+        gyro = {};
+    } else {
+        only_accelerometer = false;
+    }
+}
+
+void MotionInput::SetQuaternion(const Common::Quaternion<f32>& quaternion) {
+    quat = quaternion;
+}
+
+void MotionInput::SetGyroDrift(const Common::Vec3f& drift) {
+    gyro_drift = drift;
+}
+
+void MotionInput::SetGyroThreshold(f32 threshold) {
+    gyro_threshold = threshold;
+}
+
+void MotionInput::EnableReset(bool reset) {
+    reset_enabled = reset;
+}
+
+void MotionInput::ResetRotations() {
+    rotations = {};
+}
+
+bool MotionInput::IsMoving(f32 sensitivity) const {
+    return gyro.Length() >= sensitivity || accel.Length() <= 0.9f || accel.Length() >= 1.1f;
+}
+
+bool MotionInput::IsCalibrated(f32 sensitivity) const {
+    return real_error.Length() < sensitivity;
+}
+
+void MotionInput::UpdateRotation(u64 elapsed_time) {
+    const auto sample_period = static_cast<f32>(elapsed_time) / 1000000.0f;
+    if (sample_period > 0.1f) {
+        return;
+    }
+    rotations += gyro * sample_period;
+}
+
+// Based on Madgwick's implementation of Mayhony's AHRS algorithm.
+// https://github.com/xioTechnologies/Open-Source-AHRS-With-x-IMU/blob/master/x-IMU%20IMU%20and%20AHRS%20Algorithms/x-IMU%20IMU%20and%20AHRS%20Algorithms/AHRS/MahonyAHRS.cs
+void MotionInput::UpdateOrientation(u64 elapsed_time) {
+    if (!IsCalibrated(0.1f)) {
+        ResetOrientation();
+    }
+    // Short name local variable for readability
+    f32 q1 = quat.w;
+    f32 q2 = quat.xyz[0];
+    f32 q3 = quat.xyz[1];
+    f32 q4 = quat.xyz[2];
+    const auto sample_period = static_cast<f32>(elapsed_time) / 1000000.0f;
+
+    // Ignore invalid elapsed time
+    if (sample_period > 0.1f) {
+        return;
+    }
+
+    const auto normal_accel = accel.Normalized();
+    auto rad_gyro = gyro * Common::PI * 2;
+    const f32 swap = rad_gyro.x;
+    rad_gyro.x = rad_gyro.y;
+    rad_gyro.y = -swap;
+    rad_gyro.z = -rad_gyro.z;
+
+    // Clear gyro values if there is no gyro present
+    if (only_accelerometer) {
+        rad_gyro.x = 0;
+        rad_gyro.y = 0;
+        rad_gyro.z = 0;
+    }
+
+    // Ignore drift correction if acceleration is not reliable
+    if (accel.Length() >= 0.75f && accel.Length() <= 1.25f) {
+        const f32 ax = -normal_accel.x;
+        const f32 ay = normal_accel.y;
+        const f32 az = -normal_accel.z;
+
+        // Estimated direction of gravity
+        const f32 vx = 2.0f * (q2 * q4 - q1 * q3);
+        const f32 vy = 2.0f * (q1 * q2 + q3 * q4);
+        const f32 vz = q1 * q1 - q2 * q2 - q3 * q3 + q4 * q4;
+
+        // Error is cross product between estimated direction and measured direction of gravity
+        const Common::Vec3f new_real_error = {
+            az * vx - ax * vz,
+            ay * vz - az * vy,
+            ax * vy - ay * vx,
+        };
+
+        derivative_error = new_real_error - real_error;
+        real_error = new_real_error;
+
+        // Prevent integral windup
+        if (ki != 0.0f && !IsCalibrated(0.05f)) {
+            integral_error += real_error;
+        } else {
+            integral_error = {};
+        }
+
+        // Apply feedback terms
+        if (!only_accelerometer) {
+            rad_gyro += kp * real_error;
+            rad_gyro += ki * integral_error;
+            rad_gyro += kd * derivative_error;
+        } else {
+            // Give more weight to accelerometer values to compensate for the lack of gyro
+            rad_gyro += 35.0f * kp * real_error;
+            rad_gyro += 10.0f * ki * integral_error;
+            rad_gyro += 10.0f * kd * derivative_error;
+
+            // Emulate gyro values for games that need them
+            gyro.x = -rad_gyro.y;
+            gyro.y = rad_gyro.x;
+            gyro.z = -rad_gyro.z;
+            UpdateRotation(elapsed_time);
+        }
+    }
+
+    const f32 gx = rad_gyro.y;
+    const f32 gy = rad_gyro.x;
+    const f32 gz = rad_gyro.z;
+
+    // Integrate rate of change of quaternion
+    const f32 pa = q2;
+    const f32 pb = q3;
+    const f32 pc = q4;
+    q1 = q1 + (-q2 * gx - q3 * gy - q4 * gz) * (0.5f * sample_period);
+    q2 = pa + (q1 * gx + pb * gz - pc * gy) * (0.5f * sample_period);
+    q3 = pb + (q1 * gy - pa * gz + pc * gx) * (0.5f * sample_period);
+    q4 = pc + (q1 * gz + pa * gy - pb * gx) * (0.5f * sample_period);
+
+    quat.w = q1;
+    quat.xyz[0] = q2;
+    quat.xyz[1] = q3;
+    quat.xyz[2] = q4;
+    quat = quat.Normalized();
+}
+
+std::array<Common::Vec3f, 3> MotionInput::GetOrientation() const {
+    const Common::Quaternion<float> quad{
+        .xyz = {-quat.xyz[1], -quat.xyz[0], -quat.w},
+        .w = -quat.xyz[2],
+    };
+    const std::array<float, 16> matrix4x4 = quad.ToMatrix();
+
+    return {Common::Vec3f(matrix4x4[0], matrix4x4[1], -matrix4x4[2]),
+            Common::Vec3f(matrix4x4[4], matrix4x4[5], -matrix4x4[6]),
+            Common::Vec3f(-matrix4x4[8], -matrix4x4[9], matrix4x4[10])};
+}
+
+Common::Vec3f MotionInput::GetAcceleration() const {
+    return accel;
+}
+
+Common::Vec3f MotionInput::GetGyroscope() const {
+    return gyro;
+}
+
+Common::Quaternion<f32> MotionInput::GetQuaternion() const {
+    return quat;
+}
+
+Common::Vec3f MotionInput::GetRotations() const {
+    return rotations;
+}
+
+void MotionInput::ResetOrientation() {
+    if (!reset_enabled || only_accelerometer) {
+        return;
+    }
+    if (!IsMoving(0.5f) && accel.z <= -0.9f) {
+        ++reset_counter;
+        if (reset_counter > 900) {
+            quat.w = 0;
+            quat.xyz[0] = 0;
+            quat.xyz[1] = 0;
+            quat.xyz[2] = -1;
+            SetOrientationFromAccelerometer();
+            integral_error = {};
+            reset_counter = 0;
+        }
+    } else {
+        reset_counter = 0;
+    }
+}
+
+void MotionInput::SetOrientationFromAccelerometer() {
+    int iterations = 0;
+    const f32 sample_period = 0.015f;
+
+    const auto normal_accel = accel.Normalized();
+
+    while (!IsCalibrated(0.01f) && ++iterations < 100) {
+        // Short name local variable for readability
+        f32 q1 = quat.w;
+        f32 q2 = quat.xyz[0];
+        f32 q3 = quat.xyz[1];
+        f32 q4 = quat.xyz[2];
+
+        Common::Vec3f rad_gyro;
+        const f32 ax = -normal_accel.x;
+        const f32 ay = normal_accel.y;
+        const f32 az = -normal_accel.z;
+
+        // Estimated direction of gravity
+        const f32 vx = 2.0f * (q2 * q4 - q1 * q3);
+        const f32 vy = 2.0f * (q1 * q2 + q3 * q4);
+        const f32 vz = q1 * q1 - q2 * q2 - q3 * q3 + q4 * q4;
+
+        // Error is cross product between estimated direction and measured direction of gravity
+        const Common::Vec3f new_real_error = {
+            az * vx - ax * vz,
+            ay * vz - az * vy,
+            ax * vy - ay * vx,
+        };
+
+        derivative_error = new_real_error - real_error;
+        real_error = new_real_error;
+
+        rad_gyro += 10.0f * kp * real_error;
+        rad_gyro += 5.0f * ki * integral_error;
+        rad_gyro += 10.0f * kd * derivative_error;
+
+        const f32 gx = rad_gyro.y;
+        const f32 gy = rad_gyro.x;
+        const f32 gz = rad_gyro.z;
+
+        // Integrate rate of change of quaternion
+        const f32 pa = q2;
+        const f32 pb = q3;
+        const f32 pc = q4;
+        q1 = q1 + (-q2 * gx - q3 * gy - q4 * gz) * (0.5f * sample_period);
+        q2 = pa + (q1 * gx + pb * gz - pc * gy) * (0.5f * sample_period);
+        q3 = pb + (q1 * gy - pa * gz + pc * gx) * (0.5f * sample_period);
+        q4 = pc + (q1 * gz + pa * gy - pb * gx) * (0.5f * sample_period);
+
+        quat.w = q1;
+        quat.xyz[0] = q2;
+        quat.xyz[1] = q3;
+        quat.xyz[2] = q4;
+        quat = quat.Normalized();
+    }
+}
+} // namespace Core::HID

src/core/hid/motion_input.h

@@ -0,0 +1,87 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include "common/common_types.h"
+#include "common/quaternion.h"
+#include "common/vector_math.h"
+
+namespace Core::HID {
+
+class MotionInput {
+public:
+    explicit MotionInput();
+
+    MotionInput(const MotionInput&) = default;
+    MotionInput& operator=(const MotionInput&) = default;
+
+    MotionInput(MotionInput&&) = default;
+    MotionInput& operator=(MotionInput&&) = default;
+
+    void SetPID(f32 new_kp, f32 new_ki, f32 new_kd);
+    void SetAcceleration(const Common::Vec3f& acceleration);
+    void SetGyroscope(const Common::Vec3f& gyroscope);
+    void SetQuaternion(const Common::Quaternion<f32>& quaternion);
+    void SetGyroDrift(const Common::Vec3f& drift);
+    void SetGyroThreshold(f32 threshold);
+
+    void EnableReset(bool reset);
+    void ResetRotations();
+
+    void UpdateRotation(u64 elapsed_time);
+    void UpdateOrientation(u64 elapsed_time);
+
+    [[nodiscard]] std::array<Common::Vec3f, 3> GetOrientation() const;
+    [[nodiscard]] Common::Vec3f GetAcceleration() const;
+    [[nodiscard]] Common::Vec3f GetGyroscope() const;
+    [[nodiscard]] Common::Vec3f GetRotations() const;
+    [[nodiscard]] Common::Quaternion<f32> GetQuaternion() const;
+
+    [[nodiscard]] bool IsMoving(f32 sensitivity) const;
+    [[nodiscard]] bool IsCalibrated(f32 sensitivity) const;
+
+private:
+    void ResetOrientation();
+    void SetOrientationFromAccelerometer();
+
+    // PID constants
+    f32 kp;
+    f32 ki;
+    f32 kd;
+
+    // PID errors
+    Common::Vec3f real_error;
+    Common::Vec3f integral_error;
+    Common::Vec3f derivative_error;
+
+    // Quaternion containing the device orientation
+    Common::Quaternion<f32> quat{{0.0f, 0.0f, -1.0f}, 0.0f};
+
+    // Number of full rotations in each axis
+    Common::Vec3f rotations;
+
+    // Acceleration vector measurement in G force
+    Common::Vec3f accel;
+
+    // Gyroscope vector measurement in radians/s.
+    Common::Vec3f gyro;
+
+    // Vector to be substracted from gyro measurements
+    Common::Vec3f gyro_drift;
+
+    // Minimum gyro amplitude to detect if the device is moving
+    f32 gyro_threshold = 0.0f;
+
+    // Number of invalid secuential data
+    u32 reset_counter = 0;
+
+    // If the provided data is invalid the device will be autocalibrated
+    bool reset_enabled = true;
+
+    // Use accelerometer values to calculate position
+    bool only_accelerometer = true;
+};
+
+} // namespace Core::HID

src/core/hle/service/am/applets/applet_controller.cpp

@@ -10,6 +10,8 @@
 #include "common/string_util.h"
 #include "core/core.h"
 #include "core/frontend/applets/controller.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/result.h"
 #include "core/hle/service/am/am.h"
 #include "core/hle/service/am/applets/applet_controller.h"
@@ -25,7 +27,7 @@ namespace Service::AM::Applets {
 static Core::Frontend::ControllerParameters ConvertToFrontendParameters(
     ControllerSupportArgPrivate private_arg, ControllerSupportArgHeader header, bool enable_text,
     std::vector<IdentificationColor> identification_colors, std::vector<ExplainText> text) {
-    HID::Controller_NPad::NpadStyleSet npad_style_set;
+    Core::HID::NpadStyleTag npad_style_set;
     npad_style_set.raw = private_arg.style_set;
 
     return {
@@ -243,19 +245,11 @@ void Controller::Execute() {
 void Controller::ConfigurationComplete() {
     ControllerSupportResultInfo result_info{};
 
-    const auto& players = Settings::values.players.GetValue();
-
     // If enable_single_mode is enabled, player_count is 1 regardless of any other parameters.
     // Otherwise, only count connected players from P1-P8.
-    result_info.player_count =
-        is_single_mode
-            ? 1
-            : static_cast<s8>(std::count_if(players.begin(), players.end() - 2,
-                                            [](const auto& player) { return player.connected; }));
+    result_info.player_count = is_single_mode ? 1 : system.HIDCore().GetPlayerCount();
 
-    result_info.selected_id = HID::Controller_NPad::IndexToNPad(std::distance(
-        players.begin(), std::find_if(players.begin(), players.end(),
-                                      [](const auto& player) { return player.connected; })));
+    result_info.selected_id = static_cast<u32>(system.HIDCore().GetFirstNpadId());
 
     result_info.result = 0;
 

src/core/hle/service/am/applets/applets.cpp

@@ -231,7 +231,7 @@ void AppletManager::SetDefaultAppletFrontendSet() {
 void AppletManager::SetDefaultAppletsIfMissing() {
     if (frontend.controller == nullptr) {
         frontend.controller =
-            std::make_unique<Core::Frontend::DefaultControllerApplet>(system.ServiceManager());
+            std::make_unique<Core::Frontend::DefaultControllerApplet>(system.HIDCore());
     }
 
     if (frontend.error == nullptr) {

src/core/hle/service/hid/controllers/console_sixaxis.cpp

@@ -3,14 +3,19 @@
 // Refer to the license.txt file included.
 
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/core_timing.h"
+#include "core/hid/emulated_console.h"
 #include "core/hle/service/hid/controllers/console_sixaxis.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3C200;
 
 Controller_ConsoleSixAxis::Controller_ConsoleSixAxis(Core::System& system_)
-    : ControllerBase{system_} {}
+    : ControllerBase{system_} {
+    console = system.HIDCore().GetEmulatedConsole();
+}
+
 Controller_ConsoleSixAxis::~Controller_ConsoleSixAxis() = default;
 
 void Controller_ConsoleSixAxis::OnInit() {}
@@ -38,25 +43,21 @@ void Controller_ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_ti
     cur_entry.sampling_number2 = cur_entry.sampling_number;
 
     // Try to read sixaxis sensor states
-    MotionDevice motion_device{};
-    const auto& device = motions[0];
-    if (device) {
-        std::tie(motion_device.accel, motion_device.gyro, motion_device.rotation,
-                 motion_device.orientation, motion_device.quaternion) = device->GetStatus();
-        console_six_axis.is_seven_six_axis_sensor_at_rest = motion_device.gyro.Length2() < 0.0001f;
-    }
+    const auto motion_status = console->GetMotion();
 
-    cur_entry.accel = motion_device.accel;
+    console_six_axis.is_seven_six_axis_sensor_at_rest = motion_status.is_at_rest;
+
+    cur_entry.accel = motion_status.accel;
     // Zero gyro values as they just mess up with the camera
     // Note: Probably a correct sensivity setting must be set
     cur_entry.gyro = {};
     cur_entry.quaternion = {
         {
-            motion_device.quaternion.xyz.y,
-            motion_device.quaternion.xyz.x,
-            -motion_device.quaternion.w,
+            motion_status.quaternion.xyz.y,
+            motion_status.quaternion.xyz.x,
+            -motion_status.quaternion.w,
         },
-        -motion_device.quaternion.xyz.z,
+        -motion_status.quaternion.xyz.z,
     };
 
     console_six_axis.sampling_number++;
@@ -70,13 +71,6 @@ void Controller_ConsoleSixAxis::OnUpdate(const Core::Timing::CoreTiming& core_ti
     std::memcpy(transfer_memory, &seven_six_axis, sizeof(seven_six_axis));
 }
 
-void Controller_ConsoleSixAxis::OnLoadInputDevices() {
-    const auto player = Settings::values.players.GetValue()[0];
-    std::transform(player.motions.begin() + Settings::NativeMotion::MOTION_HID_BEGIN,
-                   player.motions.begin() + Settings::NativeMotion::MOTION_HID_END, motions.begin(),
-                   Input::CreateDevice<Input::MotionDevice>);
-}
-
 void Controller_ConsoleSixAxis::SetTransferMemoryPointer(u8* t_mem) {
     is_transfer_memory_set = true;
     transfer_memory = t_mem;

src/core/hle/service/hid/controllers/console_sixaxis.h

@@ -5,10 +5,10 @@
 #pragma once
 
 #include <array>
-#include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/quaternion.h"
-#include "core/frontend/input.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
 
 namespace Service::HID {
@@ -26,9 +26,6 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
     // Called on InitializeSevenSixAxisSensor
     void SetTransferMemoryPointer(u8* t_mem);
 
@@ -38,8 +35,8 @@ public:
 private:
     struct SevenSixAxisState {
         INSERT_PADDING_WORDS(4); // unused
-        s64_le sampling_number{};
-        s64_le sampling_number2{};
+        s64 sampling_number{};
+        s64 sampling_number2{};
         u64 unknown{};
         Common::Vec3f accel{};
         Common::Vec3f gyro{};
@@ -47,14 +44,24 @@ private:
     };
     static_assert(sizeof(SevenSixAxisState) == 0x50, "SevenSixAxisState is an invalid size");
 
+    struct CommonHeader {
+        s64 timestamp;
+        s64 total_entry_count;
+        s64 last_entry_index;
+        s64 entry_count;
+    };
+    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
+
+    // TODO(german77): SevenSixAxisMemory doesn't follow the standard lifo. Investigate
     struct SevenSixAxisMemory {
         CommonHeader header{};
         std::array<SevenSixAxisState, 0x21> sevensixaxis_states{};
     };
     static_assert(sizeof(SevenSixAxisMemory) == 0xA70, "SevenSixAxisMemory is an invalid size");
 
+    // This is nn::hid::detail::ConsoleSixAxisSensorSharedMemoryFormat
     struct ConsoleSharedMemory {
-        u64_le sampling_number{};
+        u64 sampling_number{};
         bool is_seven_six_axis_sensor_at_rest{};
         f32 verticalization_error{};
         Common::Vec3f gyro_bias{};
@@ -69,9 +76,7 @@ private:
         Common::Quaternion<f32> quaternion;
     };
 
-    using MotionArray =
-        std::array<std::unique_ptr<Input::MotionDevice>, Settings::NativeMotion::NUM_MOTIONS_HID>;
-    MotionArray motions;
+    Core::HID::EmulatedConsole* console;
     u8* transfer_memory = nullptr;
     bool is_transfer_memory_set = false;
     ConsoleSharedMemory console_six_axis{};

src/core/hle/service/hid/controllers/controller_base.cpp

@@ -11,7 +11,7 @@ ControllerBase::~ControllerBase() = default;
 
 void ControllerBase::ActivateController() {
     if (is_activated) {
-        OnRelease();
+        return;
     }
     is_activated = true;
     OnInit();

src/core/hle/service/hid/controllers/controller_base.h

@@ -35,9 +35,6 @@ public:
     virtual void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                 std::size_t size) {}
 
-    // Called when input devices should be loaded
-    virtual void OnLoadInputDevices() = 0;
-
     void ActivateController();
 
     void DeactivateController();
@@ -47,14 +44,6 @@ public:
 protected:
     bool is_activated{false};
 
-    struct CommonHeader {
-        s64_le timestamp;
-        s64_le total_entry_count;
-        s64_le last_entry_index;
-        s64_le entry_count;
-    };
-    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
-
     Core::System& system;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/debug_pad.cpp

@@ -5,16 +5,20 @@
 #include <cstring>
 #include "common/common_types.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/core_timing.h"
+#include "core/hid/emulated_controller.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/debug_pad.h"
 
 namespace Service::HID {
+constexpr std::size_t SHARED_MEMORY_OFFSET = 0x00000;
 
-constexpr s32 HID_JOYSTICK_MAX = 0x7fff;
-[[maybe_unused]] constexpr s32 HID_JOYSTICK_MIN = -0x7fff;
-enum class JoystickId : std::size_t { Joystick_Left, Joystick_Right };
+Controller_DebugPad::Controller_DebugPad(Core::System& system_) : ControllerBase{system_} {
+    controller = system.HIDCore().GetEmulatedController(Core::HID::NpadIdType::Other);
+}
 
-Controller_DebugPad::Controller_DebugPad(Core::System& system_) : ControllerBase{system_} {}
 Controller_DebugPad::~Controller_DebugPad() = default;
 
 void Controller_DebugPad::OnInit() {}
@@ -23,63 +27,29 @@ void Controller_DebugPad::OnRelease() {}
 
 void Controller_DebugPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                    std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        debug_pad_lifo.buffer_count = 0;
+        debug_pad_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &debug_pad_lifo, sizeof(debug_pad_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    const auto& last_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
-
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
+    const auto& last_entry = debug_pad_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
 
     if (Settings::values.debug_pad_enabled) {
-        cur_entry.attribute.connected.Assign(1);
-        auto& pad = cur_entry.pad_state;
+        next_state.attribute.connected.Assign(1);
 
-        using namespace Settings::NativeButton;
-        pad.a.Assign(buttons[A - BUTTON_HID_BEGIN]->GetStatus());
-        pad.b.Assign(buttons[B - BUTTON_HID_BEGIN]->GetStatus());
-        pad.x.Assign(buttons[X - BUTTON_HID_BEGIN]->GetStatus());
-        pad.y.Assign(buttons[Y - BUTTON_HID_BEGIN]->GetStatus());
-        pad.l.Assign(buttons[L - BUTTON_HID_BEGIN]->GetStatus());
-        pad.r.Assign(buttons[R - BUTTON_HID_BEGIN]->GetStatus());
-        pad.zl.Assign(buttons[ZL - BUTTON_HID_BEGIN]->GetStatus());
-        pad.zr.Assign(buttons[ZR - BUTTON_HID_BEGIN]->GetStatus());
-        pad.plus.Assign(buttons[Plus - BUTTON_HID_BEGIN]->GetStatus());
-        pad.minus.Assign(buttons[Minus - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_left.Assign(buttons[DLeft - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_up.Assign(buttons[DUp - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_right.Assign(buttons[DRight - BUTTON_HID_BEGIN]->GetStatus());
-        pad.d_down.Assign(buttons[DDown - BUTTON_HID_BEGIN]->GetStatus());
+        const auto& button_state = controller->GetDebugPadButtons();
+        const auto& stick_state = controller->GetSticks();
 
-        const auto [stick_l_x_f, stick_l_y_f] =
-            analogs[static_cast<std::size_t>(JoystickId::Joystick_Left)]->GetStatus();
-        const auto [stick_r_x_f, stick_r_y_f] =
-            analogs[static_cast<std::size_t>(JoystickId::Joystick_Right)]->GetStatus();
-        cur_entry.l_stick.x = static_cast<s32>(stick_l_x_f * HID_JOYSTICK_MAX);
-        cur_entry.l_stick.y = static_cast<s32>(stick_l_y_f * HID_JOYSTICK_MAX);
-        cur_entry.r_stick.x = static_cast<s32>(stick_r_x_f * HID_JOYSTICK_MAX);
-        cur_entry.r_stick.y = static_cast<s32>(stick_r_y_f * HID_JOYSTICK_MAX);
+        next_state.pad_state = button_state;
+        next_state.l_stick = stick_state.left;
+        next_state.r_stick = stick_state.right;
     }
 
-    std::memcpy(data, &shared_memory, sizeof(SharedMemory));
+    debug_pad_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &debug_pad_lifo, sizeof(debug_pad_lifo));
 }
 
-void Controller_DebugPad::OnLoadInputDevices() {
-    std::transform(Settings::values.debug_pad_buttons.begin(),
-                   Settings::values.debug_pad_buttons.begin() +
-                       Settings::NativeButton::NUM_BUTTONS_HID,
-                   buttons.begin(), Input::CreateDevice<Input::ButtonDevice>);
-    std::transform(Settings::values.debug_pad_analogs.begin(),
-                   Settings::values.debug_pad_analogs.end(), analogs.begin(),
-                   Input::CreateDevice<Input::AnalogDevice>);
-}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/debug_pad.h

@@ -10,8 +10,14 @@
 #include "common/common_types.h"
 #include "common/settings.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedController;
+struct DebugPadButton;
+struct AnalogStickState;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_DebugPad final : public ControllerBase {
@@ -28,66 +34,31 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct AnalogStick {
-        s32_le x;
-        s32_le y;
-    };
-    static_assert(sizeof(AnalogStick) == 0x8);
-
-    struct PadState {
+    // This is nn::hid::DebugPadAttribute
+    struct DebugPadAttribute {
         union {
-            u32_le raw{};
-            BitField<0, 1, u32> a;
-            BitField<1, 1, u32> b;
-            BitField<2, 1, u32> x;
-            BitField<3, 1, u32> y;
-            BitField<4, 1, u32> l;
-            BitField<5, 1, u32> r;
-            BitField<6, 1, u32> zl;
-            BitField<7, 1, u32> zr;
-            BitField<8, 1, u32> plus;
-            BitField<9, 1, u32> minus;
-            BitField<10, 1, u32> d_left;
-            BitField<11, 1, u32> d_up;
-            BitField<12, 1, u32> d_right;
-            BitField<13, 1, u32> d_down;
-        };
-    };
-    static_assert(sizeof(PadState) == 0x4, "PadState is an invalid size");
-
-    struct Attributes {
-        union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> connected;
         };
     };
-    static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
+    static_assert(sizeof(DebugPadAttribute) == 0x4, "DebugPadAttribute is an invalid size");
 
-    struct PadStates {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        Attributes attribute;
-        PadState pad_state;
-        AnalogStick r_stick;
-        AnalogStick l_stick;
+    // This is nn::hid::DebugPadState
+    struct DebugPadState {
+        s64 sampling_number;
+        DebugPadAttribute attribute;
+        Core::HID::DebugPadButton pad_state;
+        Core::HID::AnalogStickState r_stick;
+        Core::HID::AnalogStickState l_stick;
     };
-    static_assert(sizeof(PadStates) == 0x28, "PadStates is an invalid state");
+    static_assert(sizeof(DebugPadState) == 0x20, "DebugPadState is an invalid state");
 
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<PadStates, 17> pad_states;
-        INSERT_PADDING_BYTES(0x138);
-    };
-    static_assert(sizeof(SharedMemory) == 0x400, "SharedMemory is an invalid size");
-    SharedMemory shared_memory{};
+    // This is nn::hid::detail::DebugPadLifo
+    Lifo<DebugPadState> debug_pad_lifo{};
+    static_assert(sizeof(debug_pad_lifo) == 0x2C8, "debug_pad_lifo is an invalid size");
+    DebugPadState next_state{};
 
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeButton::NUM_BUTTONS_HID>
-        buttons;
-    std::array<std::unique_ptr<Input::AnalogDevice>, Settings::NativeAnalog::NUM_STICKS_HID>
-        analogs;
+    Core::HID::EmulatedController* controller;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/gesture.cpp

@@ -5,8 +5,10 @@
 #include "common/logging/log.h"
 #include "common/math_util.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/gesture.h"
 
 namespace Service::HID {
@@ -23,16 +25,14 @@ constexpr f32 Square(s32 num) {
     return static_cast<f32>(num * num);
 }
 
-Controller_Gesture::Controller_Gesture(Core::System& system_) : ControllerBase(system_) {}
+Controller_Gesture::Controller_Gesture(Core::System& system_) : ControllerBase(system_) {
+    console = system.HIDCore().GetEmulatedConsole();
+}
 Controller_Gesture::~Controller_Gesture() = default;
 
 void Controller_Gesture::OnInit() {
-    for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
-        mouse_finger_id[id] = MAX_POINTS;
-        keyboard_finger_id[id] = MAX_POINTS;
-        udp_finger_id[id] = MAX_POINTS;
-    }
-    shared_memory.header.entry_count = 0;
+    gesture_lifo.buffer_count = 0;
+    gesture_lifo.buffer_tail = 0;
     force_update = true;
 }
 
@@ -40,50 +40,38 @@ void Controller_Gesture::OnRelease() {}
 
 void Controller_Gesture::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                   std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        gesture_lifo.buffer_count = 0;
+        gesture_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &gesture_lifo, sizeof(gesture_lifo));
         return;
     }
 
     ReadTouchInput();
 
     GestureProperties gesture = GetGestureProperties();
-    f32 time_difference = static_cast<f32>(shared_memory.header.timestamp - last_update_timestamp) /
-                          (1000 * 1000 * 1000);
+    f32 time_difference =
+        static_cast<f32>(gesture_lifo.timestamp - last_update_timestamp) / (1000 * 1000 * 1000);
 
     // Only update if necesary
     if (!ShouldUpdateGesture(gesture, time_difference)) {
         return;
     }
 
-    last_update_timestamp = shared_memory.header.timestamp;
+    last_update_timestamp = gesture_lifo.timestamp;
     UpdateGestureSharedMemory(data, size, gesture, time_difference);
 }
 
 void Controller_Gesture::ReadTouchInput() {
-    const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
-    const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
-    for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-        mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
-        udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
-    }
-
-    if (Settings::values.use_touch_from_button) {
-        const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
-        for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-            keyboard_finger_id[id] =
-                UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
-        }
+    const auto touch_status = console->GetTouch();
+    for (std::size_t id = 0; id < fingers.size(); ++id) {
+        fingers[id] = touch_status[id];
     }
 }
 
 bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
                                              f32 time_difference) {
-    const auto& last_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = GetLastGestureEntry();
     if (force_update) {
         force_update = false;
         return true;
@@ -97,7 +85,7 @@ bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
     }
 
     // Update on press and hold event after 0.5 seconds
-    if (last_entry.type == TouchType::Touch && last_entry.point_count == 1 &&
+    if (last_entry.type == GestureType::Touch && last_entry.point_count == 1 &&
         time_difference > press_delay) {
         return enable_press_and_tap;
     }
@@ -108,27 +96,19 @@ bool Controller_Gesture::ShouldUpdateGesture(const GestureProperties& gesture,
 void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
                                                    GestureProperties& gesture,
                                                    f32 time_difference) {
-    TouchType type = TouchType::Idle;
-    Attribute attributes{};
+    GestureType type = GestureType::Idle;
+    GestureAttribute attributes{};
 
-    const auto& last_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = gesture_lifo.ReadCurrentEntry().state;
 
-    if (shared_memory.header.entry_count < 16) {
-        shared_memory.header.entry_count++;
-    }
-
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
-
-    // Reset values to default
-    cur_entry.delta = {};
-    cur_entry.vel_x = 0;
-    cur_entry.vel_y = 0;
-    cur_entry.direction = Direction::None;
-    cur_entry.rotation_angle = 0;
-    cur_entry.scale = 0;
+    // Reset next state to default
+    next_state.sampling_number = last_entry.sampling_number + 1;
+    next_state.delta = {};
+    next_state.vel_x = 0;
+    next_state.vel_y = 0;
+    next_state.direction = GestureDirection::None;
+    next_state.rotation_angle = 0;
+    next_state.scale = 0;
 
     if (gesture.active_points > 0) {
         if (last_gesture.active_points == 0) {
@@ -141,46 +121,47 @@ void Controller_Gesture::UpdateGestureSharedMemory(u8* data, std::size_t size,
     }
 
     // Apply attributes
-    cur_entry.detection_count = gesture.detection_count;
-    cur_entry.type = type;
-    cur_entry.attributes = attributes;
-    cur_entry.pos = gesture.mid_point;
-    cur_entry.point_count = static_cast<s32>(gesture.active_points);
-    cur_entry.points = gesture.points;
+    next_state.detection_count = gesture.detection_count;
+    next_state.type = type;
+    next_state.attributes = attributes;
+    next_state.pos = gesture.mid_point;
+    next_state.point_count = static_cast<s32>(gesture.active_points);
+    next_state.points = gesture.points;
     last_gesture = gesture;
 
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+    gesture_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &gesture_lifo, sizeof(gesture_lifo));
 }
 
-void Controller_Gesture::NewGesture(GestureProperties& gesture, TouchType& type,
-                                    Attribute& attributes) {
+void Controller_Gesture::NewGesture(GestureProperties& gesture, GestureType& type,
+                                    GestureAttribute& attributes) {
     const auto& last_entry = GetLastGestureEntry();
 
     gesture.detection_count++;
-    type = TouchType::Touch;
+    type = GestureType::Touch;
 
     // New touch after cancel is not considered new
-    if (last_entry.type != TouchType::Cancel) {
+    if (last_entry.type != GestureType::Cancel) {
         attributes.is_new_touch.Assign(1);
         enable_press_and_tap = true;
     }
 }
 
-void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, TouchType& type,
+void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, GestureType& type,
                                                f32 time_difference) {
     const auto& last_entry = GetLastGestureEntry();
 
     // Promote to pan type if touch moved
     for (size_t id = 0; id < MAX_POINTS; id++) {
         if (gesture.points[id] != last_gesture.points[id]) {
-            type = TouchType::Pan;
+            type = GestureType::Pan;
             break;
         }
     }
 
     // Number of fingers changed cancel the last event and clear data
     if (gesture.active_points != last_gesture.active_points) {
-        type = TouchType::Cancel;
+        type = GestureType::Cancel;
         enable_press_and_tap = false;
         gesture.active_points = 0;
         gesture.mid_point = {};
@@ -189,41 +170,41 @@ void Controller_Gesture::UpdateExistingGesture(GestureProperties& gesture, Touch
     }
 
     // Calculate extra parameters of panning
-    if (type == TouchType::Pan) {
+    if (type == GestureType::Pan) {
         UpdatePanEvent(gesture, last_gesture, type, time_difference);
         return;
     }
 
     // Promote to press type
-    if (last_entry.type == TouchType::Touch) {
-        type = TouchType::Press;
+    if (last_entry.type == GestureType::Touch) {
+        type = GestureType::Press;
     }
 }
 
 void Controller_Gesture::EndGesture(GestureProperties& gesture,
-                                    GestureProperties& last_gesture_props, TouchType& type,
-                                    Attribute& attributes, f32 time_difference) {
+                                    GestureProperties& last_gesture_props, GestureType& type,
+                                    GestureAttribute& attributes, f32 time_difference) {
     const auto& last_entry = GetLastGestureEntry();
 
     if (last_gesture_props.active_points != 0) {
         switch (last_entry.type) {
-        case TouchType::Touch:
+        case GestureType::Touch:
             if (enable_press_and_tap) {
                 SetTapEvent(gesture, last_gesture_props, type, attributes);
                 return;
             }
-            type = TouchType::Cancel;
+            type = GestureType::Cancel;
             force_update = true;
             break;
-        case TouchType::Press:
-        case TouchType::Tap:
-        case TouchType::Swipe:
-        case TouchType::Pinch:
-        case TouchType::Rotate:
-            type = TouchType::Complete;
+        case GestureType::Press:
+        case GestureType::Tap:
+        case GestureType::Swipe:
+        case GestureType::Pinch:
+        case GestureType::Rotate:
+            type = GestureType::Complete;
             force_update = true;
             break;
-        case TouchType::Pan:
+        case GestureType::Pan:
             EndPanEvent(gesture, last_gesture_props, type, time_difference);
             break;
         default:
@@ -231,15 +212,15 @@ void Controller_Gesture::EndGesture(GestureProperties& gesture,
         }
         return;
     }
-    if (last_entry.type == TouchType::Complete || last_entry.type == TouchType::Cancel) {
+    if (last_entry.type == GestureType::Complete || last_entry.type == GestureType::Cancel) {
         gesture.detection_count++;
     }
 }
 
 void Controller_Gesture::SetTapEvent(GestureProperties& gesture,
-                                     GestureProperties& last_gesture_props, TouchType& type,
-                                     Attribute& attributes) {
-    type = TouchType::Tap;
+                                     GestureProperties& last_gesture_props, GestureType& type,
+                                     GestureAttribute& attributes) {
+    type = GestureType::Tap;
     gesture = last_gesture_props;
     force_update = true;
     f32 tap_time_difference =
@@ -251,44 +232,42 @@ void Controller_Gesture::SetTapEvent(GestureProperties& gesture,
 }
 
 void Controller_Gesture::UpdatePanEvent(GestureProperties& gesture,
-                                        GestureProperties& last_gesture_props, TouchType& type,
+                                        GestureProperties& last_gesture_props, GestureType& type,
                                         f32 time_difference) {
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
     const auto& last_entry = GetLastGestureEntry();
 
-    cur_entry.delta = gesture.mid_point - last_entry.pos;
-    cur_entry.vel_x = static_cast<f32>(cur_entry.delta.x) / time_difference;
-    cur_entry.vel_y = static_cast<f32>(cur_entry.delta.y) / time_difference;
+    next_state.delta = gesture.mid_point - last_entry.pos;
+    next_state.vel_x = static_cast<f32>(next_state.delta.x) / time_difference;
+    next_state.vel_y = static_cast<f32>(next_state.delta.y) / time_difference;
     last_pan_time_difference = time_difference;
 
     // Promote to pinch type
     if (std::abs(gesture.average_distance - last_gesture_props.average_distance) >
         pinch_threshold) {
-        type = TouchType::Pinch;
-        cur_entry.scale = gesture.average_distance / last_gesture_props.average_distance;
+        type = GestureType::Pinch;
+        next_state.scale = gesture.average_distance / last_gesture_props.average_distance;
     }
 
     const f32 angle_between_two_lines = std::atan((gesture.angle - last_gesture_props.angle) /
                                                   (1 + (gesture.angle * last_gesture_props.angle)));
     // Promote to rotate type
     if (std::abs(angle_between_two_lines) > angle_threshold) {
-        type = TouchType::Rotate;
-        cur_entry.scale = 0;
-        cur_entry.rotation_angle = angle_between_two_lines * 180.0f / Common::PI;
+        type = GestureType::Rotate;
+        next_state.scale = 0;
+        next_state.rotation_angle = angle_between_two_lines * 180.0f / Common::PI;
     }
 }
 
 void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
-                                     GestureProperties& last_gesture_props, TouchType& type,
+                                     GestureProperties& last_gesture_props, GestureType& type,
                                      f32 time_difference) {
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
     const auto& last_entry = GetLastGestureEntry();
-    cur_entry.vel_x =
+    next_state.vel_x =
         static_cast<f32>(last_entry.delta.x) / (last_pan_time_difference + time_difference);
-    cur_entry.vel_y =
+    next_state.vel_y =
         static_cast<f32>(last_entry.delta.y) / (last_pan_time_difference + time_difference);
     const f32 curr_vel =
-        std::sqrt((cur_entry.vel_x * cur_entry.vel_x) + (cur_entry.vel_y * cur_entry.vel_y));
+        std::sqrt((next_state.vel_x * next_state.vel_x) + (next_state.vel_y * next_state.vel_y));
 
     // Set swipe event with parameters
     if (curr_vel > swipe_threshold) {
@@ -297,105 +276,50 @@ void Controller_Gesture::EndPanEvent(GestureProperties& gesture,
     }
 
     // End panning without swipe
-    type = TouchType::Complete;
-    cur_entry.vel_x = 0;
-    cur_entry.vel_y = 0;
+    type = GestureType::Complete;
+    next_state.vel_x = 0;
+    next_state.vel_y = 0;
     force_update = true;
 }
 
 void Controller_Gesture::SetSwipeEvent(GestureProperties& gesture,
-                                       GestureProperties& last_gesture_props, TouchType& type) {
-    auto& cur_entry = shared_memory.gesture_states[shared_memory.header.last_entry_index];
+                                       GestureProperties& last_gesture_props, GestureType& type) {
     const auto& last_entry = GetLastGestureEntry();
 
-    type = TouchType::Swipe;
+    type = GestureType::Swipe;
     gesture = last_gesture_props;
     force_update = true;
-    cur_entry.delta = last_entry.delta;
+    next_state.delta = last_entry.delta;
 
-    if (std::abs(cur_entry.delta.x) > std::abs(cur_entry.delta.y)) {
-        if (cur_entry.delta.x > 0) {
-            cur_entry.direction = Direction::Right;
+    if (std::abs(next_state.delta.x) > std::abs(next_state.delta.y)) {
+        if (next_state.delta.x > 0) {
+            next_state.direction = GestureDirection::Right;
             return;
         }
-        cur_entry.direction = Direction::Left;
+        next_state.direction = GestureDirection::Left;
         return;
     }
-    if (cur_entry.delta.y > 0) {
-        cur_entry.direction = Direction::Down;
+    if (next_state.delta.y > 0) {
+        next_state.direction = GestureDirection::Down;
         return;
     }
-    cur_entry.direction = Direction::Up;
-}
-
-void Controller_Gesture::OnLoadInputDevices() {
-    touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
-    touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
-    touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
-}
-
-std::optional<std::size_t> Controller_Gesture::GetUnusedFingerID() const {
-    // Dont assign any touch input to a point if disabled
-    if (!Settings::values.touchscreen.enabled) {
-        return std::nullopt;
-    }
-    std::size_t first_free_id = 0;
-    while (first_free_id < MAX_POINTS) {
-        if (!fingers[first_free_id].pressed) {
-            return first_free_id;
-        } else {
-            first_free_id++;
-        }
-    }
-    return std::nullopt;
-}
-
-Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() {
-    return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
+    next_state.direction = GestureDirection::Up;
 }
 
 const Controller_Gesture::GestureState& Controller_Gesture::GetLastGestureEntry() const {
-    return shared_memory.gesture_states[(shared_memory.header.last_entry_index + 16) % 17];
-}
-
-std::size_t Controller_Gesture::UpdateTouchInputEvent(
-    const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
-    const auto& [x, y, pressed] = touch_input;
-    if (finger_id > MAX_POINTS) {
-        LOG_ERROR(Service_HID, "Invalid finger id {}", finger_id);
-        return MAX_POINTS;
-    }
-    if (pressed) {
-        if (finger_id == MAX_POINTS) {
-            const auto first_free_id = GetUnusedFingerID();
-            if (!first_free_id) {
-                // Invalid finger id do nothing
-                return MAX_POINTS;
-            }
-            finger_id = first_free_id.value();
-            fingers[finger_id].pressed = true;
-        }
-        fingers[finger_id].pos = {x, y};
-        return finger_id;
-    }
-
-    if (finger_id != MAX_POINTS) {
-        fingers[finger_id].pressed = false;
-    }
-
-    return MAX_POINTS;
+    return gesture_lifo.ReadCurrentEntry().state;
 }
 
 Controller_Gesture::GestureProperties Controller_Gesture::GetGestureProperties() {
     GestureProperties gesture;
-    std::array<Finger, MAX_POINTS> active_fingers;
+    std::array<Core::HID::TouchFinger, MAX_POINTS> active_fingers;
     const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
                                        [](const auto& finger) { return finger.pressed; });
     gesture.active_points =
         static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
 
     for (size_t id = 0; id < gesture.active_points; ++id) {
-        const auto& [active_x, active_y] = active_fingers[id].pos;
+        const auto& [active_x, active_y] = active_fingers[id].position;
         gesture.points[id] = {
             .x = static_cast<s32>(active_x * Layout::ScreenUndocked::Width),
             .y = static_cast<s32>(active_y * Layout::ScreenUndocked::Height),

src/core/hle/service/hid/controllers/gesture.h

@@ -8,8 +8,9 @@
 #include "common/bit_field.h"
 #include "common/common_types.h"
 #include "common/point.h"
-#include "core/frontend/input.h"
+#include "core/hid/emulated_console.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
 
 namespace Service::HID {
 class Controller_Gesture final : public ControllerBase {
@@ -26,14 +27,12 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
     static constexpr size_t MAX_FINGERS = 16;
     static constexpr size_t MAX_POINTS = 4;
 
-    enum class TouchType : u32 {
+    // This is nn::hid::GestureType
+    enum class GestureType : u32 {
         Idle,     // Nothing touching the screen
         Complete, // Set at the end of a touch event
         Cancel,   // Set when the number of fingers change
@@ -46,7 +45,8 @@ private:
         Rotate,   // All points rotating from the midpoint
     };
 
-    enum class Direction : u32 {
+    // This is nn::hid::GestureDirection
+    enum class GestureDirection : u32 {
         None,
         Left,
         Up,
@@ -54,51 +54,41 @@ private:
         Down,
     };
 
-    struct Attribute {
+    // This is nn::hid::GestureAttribute
+    struct GestureAttribute {
         union {
-            u32_le raw{};
+            u32 raw{};
 
             BitField<4, 1, u32> is_new_touch;
             BitField<8, 1, u32> is_double_tap;
         };
     };
-    static_assert(sizeof(Attribute) == 4, "Attribute is an invalid size");
+    static_assert(sizeof(GestureAttribute) == 4, "GestureAttribute is an invalid size");
 
+    // This is nn::hid::GestureState
     struct GestureState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        s64_le detection_count;
-        TouchType type;
-        Direction direction;
-        Common::Point<s32_le> pos;
-        Common::Point<s32_le> delta;
+        s64 sampling_number;
+        s64 detection_count;
+        GestureType type;
+        GestureDirection direction;
+        Common::Point<s32> pos;
+        Common::Point<s32> delta;
         f32 vel_x;
         f32 vel_y;
-        Attribute attributes;
+        GestureAttribute attributes;
         f32 scale;
         f32 rotation_angle;
-        s32_le point_count;
-        std::array<Common::Point<s32_le>, 4> points;
-    };
-    static_assert(sizeof(GestureState) == 0x68, "GestureState is an invalid size");
-
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<GestureState, 17> gesture_states;
-    };
-    static_assert(sizeof(SharedMemory) == 0x708, "SharedMemory is an invalid size");
-
-    struct Finger {
-        Common::Point<f32> pos{};
-        bool pressed{};
+        s32 point_count;
+        std::array<Common::Point<s32>, 4> points;
     };
+    static_assert(sizeof(GestureState) == 0x60, "GestureState is an invalid size");
 
     struct GestureProperties {
-        std::array<Common::Point<s32_le>, MAX_POINTS> points{};
+        std::array<Common::Point<s32>, MAX_POINTS> points{};
         std::size_t active_points{};
-        Common::Point<s32_le> mid_point{};
-        s64_le detection_count{};
-        u64_le delta_time{};
+        Common::Point<s32> mid_point{};
+        s64 detection_count{};
+        u64 delta_time{};
         f32 average_distance{};
         f32 angle{};
     };
@@ -114,61 +104,48 @@ private:
                                    f32 time_difference);
 
     // Initializes new gesture
-    void NewGesture(GestureProperties& gesture, TouchType& type, Attribute& attributes);
+    void NewGesture(GestureProperties& gesture, GestureType& type, GestureAttribute& attributes);
 
     // Updates existing gesture state
-    void UpdateExistingGesture(GestureProperties& gesture, TouchType& type, f32 time_difference);
+    void UpdateExistingGesture(GestureProperties& gesture, GestureType& type, f32 time_difference);
 
     // Terminates exiting gesture
     void EndGesture(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                    TouchType& type, Attribute& attributes, f32 time_difference);
+                    GestureType& type, GestureAttribute& attributes, f32 time_difference);
 
     // Set current event to a tap event
     void SetTapEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                     TouchType& type, Attribute& attributes);
+                     GestureType& type, GestureAttribute& attributes);
 
     // Calculates and set the extra parameters related to a pan event
     void UpdatePanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                        TouchType& type, f32 time_difference);
+                        GestureType& type, f32 time_difference);
 
     // Terminates the pan event
     void EndPanEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                     TouchType& type, f32 time_difference);
+                     GestureType& type, f32 time_difference);
 
     // Set current event to a swipe event
     void SetSwipeEvent(GestureProperties& gesture, GestureProperties& last_gesture_props,
-                       TouchType& type);
-
-    // Returns an unused finger id, if there is no fingers available std::nullopt is returned.
-    [[nodiscard]] std::optional<size_t> GetUnusedFingerID() const;
+                       GestureType& type);
 
     // Retrieves the last gesture entry, as indicated by shared memory indices.
-    [[nodiscard]] GestureState& GetLastGestureEntry();
     [[nodiscard]] const GestureState& GetLastGestureEntry() const;
 
-    /**
-     * If the touch is new it tries to assign a new finger id, if there is no fingers available no
-     * changes will be made. Updates the coordinates if the finger id it's already set. If the touch
-     * ends delays the output by one frame to set the end_touch flag before finally freeing the
-     * finger id
-     */
-    size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
-                                 size_t finger_id);
-
     // Returns the average distance, angle and middle point of the active fingers
     GestureProperties GetGestureProperties();
 
-    SharedMemory shared_memory{};
-    std::unique_ptr<Input::TouchDevice> touch_mouse_device;
-    std::unique_ptr<Input::TouchDevice> touch_udp_device;
-    std::unique_ptr<Input::TouchDevice> touch_btn_device;
-    std::array<size_t, MAX_FINGERS> mouse_finger_id{};
-    std::array<size_t, MAX_FINGERS> keyboard_finger_id{};
-    std::array<size_t, MAX_FINGERS> udp_finger_id{};
-    std::array<Finger, MAX_POINTS> fingers{};
+    // This is nn::hid::detail::GestureLifo
+    Lifo<GestureState> gesture_lifo{};
+    static_assert(sizeof(gesture_lifo) == 0x708, "gesture_lifo is an invalid size");
+    GestureState next_state{};
+
+    Core::HID::EmulatedConsole* console;
+
+    std::array<Core::HID::TouchFinger, MAX_POINTS> fingers{};
     GestureProperties last_gesture{};
-    s64_le last_update_timestamp{};
-    s64_le last_tap_timestamp{};
+    s64 last_update_timestamp{};
+    s64 last_tap_timestamp{};
     f32 last_pan_time_difference{};
     bool force_update{false};
     bool enable_press_and_tap{false};

src/core/hle/service/hid/controllers/keyboard.cpp

@@ -5,14 +5,19 @@
 #include <cstring>
 #include "common/common_types.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/core_timing.h"
+#include "core/hid/emulated_devices.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/keyboard.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3800;
-constexpr u8 KEYS_PER_BYTE = 8;
 
-Controller_Keyboard::Controller_Keyboard(Core::System& system_) : ControllerBase{system_} {}
+Controller_Keyboard::Controller_Keyboard(Core::System& system_) : ControllerBase{system_} {
+    emulated_devices = system.HIDCore().GetEmulatedDevices();
+}
+
 Controller_Keyboard::~Controller_Keyboard() = default;
 
 void Controller_Keyboard::OnInit() {}
@@ -21,51 +26,26 @@ void Controller_Keyboard::OnRelease() {}
 
 void Controller_Keyboard::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                    std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        keyboard_lifo.buffer_count = 0;
+        keyboard_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &keyboard_lifo, sizeof(keyboard_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    const auto& last_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.pad_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = keyboard_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
 
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
-
-    cur_entry.key.fill(0);
     if (Settings::values.keyboard_enabled) {
-        for (std::size_t i = 0; i < keyboard_keys.size(); ++i) {
-            auto& entry = cur_entry.key[i / KEYS_PER_BYTE];
-            entry = static_cast<u8>(entry | (keyboard_keys[i]->GetStatus() << (i % KEYS_PER_BYTE)));
-        }
+        const auto& keyboard_state = emulated_devices->GetKeyboard();
+        const auto& keyboard_modifier_state = emulated_devices->GetKeyboardModifier();
 
-        using namespace Settings::NativeKeyboard;
-
-        // TODO: Assign the correct key to all modifiers
-        cur_entry.modifier.control.Assign(keyboard_mods[LeftControl]->GetStatus());
-        cur_entry.modifier.shift.Assign(keyboard_mods[LeftShift]->GetStatus());
-        cur_entry.modifier.left_alt.Assign(keyboard_mods[LeftAlt]->GetStatus());
-        cur_entry.modifier.right_alt.Assign(keyboard_mods[RightAlt]->GetStatus());
-        cur_entry.modifier.gui.Assign(0);
-        cur_entry.modifier.caps_lock.Assign(keyboard_mods[CapsLock]->GetStatus());
-        cur_entry.modifier.scroll_lock.Assign(keyboard_mods[ScrollLock]->GetStatus());
-        cur_entry.modifier.num_lock.Assign(keyboard_mods[NumLock]->GetStatus());
-        cur_entry.modifier.katakana.Assign(0);
-        cur_entry.modifier.hiragana.Assign(0);
+        next_state.key = keyboard_state;
+        next_state.modifier = keyboard_modifier_state;
     }
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+
+    keyboard_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &keyboard_lifo, sizeof(keyboard_lifo));
 }
 
-void Controller_Keyboard::OnLoadInputDevices() {
-    std::transform(Settings::values.keyboard_keys.begin(), Settings::values.keyboard_keys.end(),
-                   keyboard_keys.begin(), Input::CreateDevice<Input::ButtonDevice>);
-    std::transform(Settings::values.keyboard_mods.begin(), Settings::values.keyboard_mods.end(),
-                   keyboard_mods.begin(), Input::CreateDevice<Input::ButtonDevice>);
-}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/keyboard.h

@@ -10,8 +10,14 @@
 #include "common/common_types.h"
 #include "common/settings.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedDevices;
+struct KeyboardModifier;
+struct KeyboardKey;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_Keyboard final : public ControllerBase {
@@ -28,47 +34,20 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct Modifiers {
-        union {
-            u32_le raw{};
-            BitField<0, 1, u32> control;
-            BitField<1, 1, u32> shift;
-            BitField<2, 1, u32> left_alt;
-            BitField<3, 1, u32> right_alt;
-            BitField<4, 1, u32> gui;
-            BitField<8, 1, u32> caps_lock;
-            BitField<9, 1, u32> scroll_lock;
-            BitField<10, 1, u32> num_lock;
-            BitField<11, 1, u32> katakana;
-            BitField<12, 1, u32> hiragana;
-        };
-    };
-    static_assert(sizeof(Modifiers) == 0x4, "Modifiers is an invalid size");
-
+    // This is nn::hid::detail::KeyboardState
     struct KeyboardState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-
-        Modifiers modifier;
-        std::array<u8, 32> key;
+        s64 sampling_number;
+        Core::HID::KeyboardModifier modifier;
+        Core::HID::KeyboardKey key;
     };
-    static_assert(sizeof(KeyboardState) == 0x38, "KeyboardState is an invalid size");
+    static_assert(sizeof(KeyboardState) == 0x30, "KeyboardState is an invalid size");
 
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<KeyboardState, 17> pad_states;
-        INSERT_PADDING_BYTES(0x28);
-    };
-    static_assert(sizeof(SharedMemory) == 0x400, "SharedMemory is an invalid size");
-    SharedMemory shared_memory{};
+    // This is nn::hid::detail::KeyboardLifo
+    Lifo<KeyboardState> keyboard_lifo{};
+    static_assert(sizeof(keyboard_lifo) == 0x3D8, "keyboard_lifo is an invalid size");
+    KeyboardState next_state{};
 
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeKeyboard::NumKeyboardKeys>
-        keyboard_keys;
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeKeyboard::NumKeyboardMods>
-        keyboard_mods;
+    Core::HID::EmulatedDevices* emulated_devices;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/mouse.cpp

@@ -4,14 +4,20 @@
 
 #include <cstring>
 #include "common/common_types.h"
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
+#include "core/hid/emulated_devices.h"
+#include "core/hid/hid_core.h"
 #include "core/hle/service/hid/controllers/mouse.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x3400;
 
-Controller_Mouse::Controller_Mouse(Core::System& system_) : ControllerBase{system_} {}
+Controller_Mouse::Controller_Mouse(Core::System& system_) : ControllerBase{system_} {
+    emulated_devices = system.HIDCore().GetEmulatedDevices();
+}
+
 Controller_Mouse::~Controller_Mouse() = default;
 
 void Controller_Mouse::OnInit() {}
@@ -19,50 +25,33 @@ void Controller_Mouse::OnRelease() {}
 
 void Controller_Mouse::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                 std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
-
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        mouse_lifo.buffer_count = 0;
+        mouse_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &mouse_lifo, sizeof(mouse_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    auto& last_entry = shared_memory.mouse_states[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.mouse_states[shared_memory.header.last_entry_index];
+    const auto& last_entry = mouse_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
 
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
-
-    cur_entry.attribute.raw = 0;
+    next_state.attribute.raw = 0;
     if (Settings::values.mouse_enabled) {
-        const auto [px, py, sx, sy] = mouse_device->GetStatus();
-        const auto x = static_cast<s32>(px * Layout::ScreenUndocked::Width);
-        const auto y = static_cast<s32>(py * Layout::ScreenUndocked::Height);
-        cur_entry.x = x;
-        cur_entry.y = y;
-        cur_entry.delta_x = x - last_entry.x;
-        cur_entry.delta_y = y - last_entry.y;
-        cur_entry.mouse_wheel_x = sx;
-        cur_entry.mouse_wheel_y = sy;
-        cur_entry.attribute.is_connected.Assign(1);
+        const auto& mouse_button_state = emulated_devices->GetMouseButtons();
+        const auto& mouse_position_state = emulated_devices->GetMousePosition();
+        next_state.attribute.is_connected.Assign(1);
+        next_state.x = mouse_position_state.x;
+        next_state.y = mouse_position_state.y;
+        next_state.delta_x = next_state.x - last_entry.x;
+        next_state.delta_y = next_state.y - last_entry.y;
+        next_state.delta_wheel_x = mouse_position_state.delta_wheel_x;
+        next_state.delta_wheel_y = mouse_position_state.delta_wheel_y;
 
-        using namespace Settings::NativeMouseButton;
-        cur_entry.button.left.Assign(mouse_button_devices[Left]->GetStatus());
-        cur_entry.button.right.Assign(mouse_button_devices[Right]->GetStatus());
-        cur_entry.button.middle.Assign(mouse_button_devices[Middle]->GetStatus());
-        cur_entry.button.forward.Assign(mouse_button_devices[Forward]->GetStatus());
-        cur_entry.button.back.Assign(mouse_button_devices[Back]->GetStatus());
+        next_state.button = mouse_button_state;
     }
 
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+    mouse_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &mouse_lifo, sizeof(mouse_lifo));
 }
 
-void Controller_Mouse::OnLoadInputDevices() {
-    mouse_device = Input::CreateDevice<Input::MouseDevice>(Settings::values.mouse_device);
-    std::transform(Settings::values.mouse_buttons.begin(), Settings::values.mouse_buttons.end(),
-                   mouse_button_devices.begin(), Input::CreateDevice<Input::ButtonDevice>);
-}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/mouse.h

@@ -9,8 +9,13 @@
 #include "common/common_types.h"
 #include "common/settings.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedDevices;
+struct MouseState;
+} // namespace Core::HID
 
 namespace Service::HID {
 class Controller_Mouse final : public ControllerBase {
@@ -27,53 +32,12 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct Buttons {
-        union {
-            u32_le raw{};
-            BitField<0, 1, u32> left;
-            BitField<1, 1, u32> right;
-            BitField<2, 1, u32> middle;
-            BitField<3, 1, u32> forward;
-            BitField<4, 1, u32> back;
-        };
-    };
-    static_assert(sizeof(Buttons) == 0x4, "Buttons is an invalid size");
+    // This is nn::hid::detail::MouseLifo
+    Lifo<Core::HID::MouseState> mouse_lifo{};
+    static_assert(sizeof(mouse_lifo) == 0x350, "mouse_lifo is an invalid size");
+    Core::HID::MouseState next_state{};
 
-    struct Attributes {
-        union {
-            u32_le raw{};
-            BitField<0, 1, u32> transferable;
-            BitField<1, 1, u32> is_connected;
-        };
-    };
-    static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
-
-    struct MouseState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        s32_le x;
-        s32_le y;
-        s32_le delta_x;
-        s32_le delta_y;
-        s32_le mouse_wheel_x;
-        s32_le mouse_wheel_y;
-        Buttons button;
-        Attributes attribute;
-    };
-    static_assert(sizeof(MouseState) == 0x30, "MouseState is an invalid size");
-
-    struct SharedMemory {
-        CommonHeader header;
-        std::array<MouseState, 17> mouse_states;
-    };
-    SharedMemory shared_memory{};
-
-    std::unique_ptr<Input::MouseDevice> mouse_device;
-    std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeMouseButton::NumMouseButtons>
-        mouse_button_devices;
+    Core::HID::EmulatedDevices* emulated_devices;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/npad.h

@@ -12,8 +12,14 @@
 #include "common/common_types.h"
 #include "common/quaternion.h"
 #include "common/settings.h"
-#include "core/frontend/input.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
+
+namespace Core::HID {
+class EmulatedController;
+enum class ControllerTriggerType;
+} // namespace Core::HID
 
 namespace Kernel {
 class KEvent;
@@ -48,31 +54,6 @@ public:
     void OnMotionUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                         std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
-    enum class NPadControllerType {
-        None,
-        ProController,
-        Handheld,
-        JoyDual,
-        JoyLeft,
-        JoyRight,
-        GameCube,
-        Pokeball,
-    };
-
-    enum class NpadType : u8 {
-        ProController = 3,
-        Handheld = 4,
-        JoyconDual = 5,
-        JoyconLeft = 6,
-        JoyconRight = 7,
-        GameCube = 8,
-        Pokeball = 9,
-        MaxNpadType = 10,
-    };
-
     enum class DeviceIndex : u8 {
         Left = 0,
         Right = 1,
@@ -80,28 +61,33 @@ public:
         MaxDeviceIndex = 3,
     };
 
+    // This is nn::hid::GyroscopeZeroDriftMode
     enum class GyroscopeZeroDriftMode : u32 {
         Loose = 0,
         Standard = 1,
         Tight = 2,
     };
 
-    enum class NpadHoldType : u64 {
+    // This is nn::hid::NpadJoyHoldType
+    enum class NpadJoyHoldType : u64 {
         Vertical = 0,
         Horizontal = 1,
     };
 
-    enum class NpadAssignments : u32 {
+    // This is nn::hid::NpadJoyAssignmentMode
+    enum class NpadJoyAssignmentMode : u32 {
         Dual = 0,
         Single = 1,
     };
 
+    // This is nn::hid::NpadHandheldActivationMode
     enum class NpadHandheldActivationMode : u64 {
         Dual = 0,
         Single = 1,
         None = 2,
     };
 
+    // This is nn::hid::NpadCommunicationMode
     enum class NpadCommunicationMode : u64 {
         Mode_5ms = 0,
         Mode_10ms = 1,
@@ -110,33 +96,14 @@ public:
     };
 
     struct DeviceHandle {
-        NpadType npad_type;
+        Core::HID::NpadType npad_type;
         u8 npad_id;
         DeviceIndex device_index;
         INSERT_PADDING_BYTES_NOINIT(1);
     };
     static_assert(sizeof(DeviceHandle) == 4, "DeviceHandle is an invalid size");
 
-    struct NpadStyleSet {
-        union {
-            u32_le raw{};
-
-            BitField<0, 1, u32> fullkey;
-            BitField<1, 1, u32> handheld;
-            BitField<2, 1, u32> joycon_dual;
-            BitField<3, 1, u32> joycon_left;
-            BitField<4, 1, u32> joycon_right;
-            BitField<5, 1, u32> gamecube;
-            BitField<6, 1, u32> palma;
-            BitField<7, 1, u32> lark;
-            BitField<8, 1, u32> handheld_lark;
-            BitField<9, 1, u32> lucia;
-            BitField<29, 1, u32> system_ext;
-            BitField<30, 1, u32> system;
-        };
-    };
-    static_assert(sizeof(NpadStyleSet) == 4, "NpadStyleSet is an invalid size");
-
+    // This is nn::hid::VibrationValue
     struct VibrationValue {
         f32 amp_low;
         f32 freq_low;
@@ -152,31 +119,15 @@ public:
         .freq_high = 320.0f,
     };
 
-    struct LedPattern {
-        explicit LedPattern(u64 light1, u64 light2, u64 light3, u64 light4) {
-            position1.Assign(light1);
-            position2.Assign(light2);
-            position3.Assign(light3);
-            position4.Assign(light4);
-        }
-        union {
-            u64 raw{};
-            BitField<0, 1, u64> position1;
-            BitField<1, 1, u64> position2;
-            BitField<2, 1, u64> position3;
-            BitField<3, 1, u64> position4;
-        };
-    };
-
-    void SetSupportedStyleSet(NpadStyleSet style_set);
-    NpadStyleSet GetSupportedStyleSet() const;
+    void SetSupportedStyleSet(Core::HID::NpadStyleTag style_set);
+    Core::HID::NpadStyleTag GetSupportedStyleSet() const;
 
     void SetSupportedNpadIdTypes(u8* data, std::size_t length);
     void GetSupportedNpadIdTypes(u32* data, std::size_t max_length);
     std::size_t GetSupportedNpadIdTypesSize() const;
 
-    void SetHoldType(NpadHoldType joy_hold_type);
-    NpadHoldType GetHoldType() const;
+    void SetHoldType(NpadJoyHoldType joy_hold_type);
+    NpadJoyHoldType GetHoldType() const;
 
     void SetNpadHandheldActivationMode(NpadHandheldActivationMode activation_mode);
     NpadHandheldActivationMode GetNpadHandheldActivationMode() const;
@@ -184,7 +135,7 @@ public:
     void SetNpadCommunicationMode(NpadCommunicationMode communication_mode_);
     NpadCommunicationMode GetNpadCommunicationMode() const;
 
-    void SetNpadMode(u32 npad_id, NpadAssignments assignment_mode);
+    void SetNpadMode(u32 npad_id, NpadJoyAssignmentMode assignment_mode);
 
     bool VibrateControllerAtIndex(std::size_t npad_index, std::size_t device_index,
                                   const VibrationValue& vibration_value);
@@ -209,9 +160,9 @@ public:
     void SignalStyleSetChangedEvent(u32 npad_id) const;
 
     // Adds a new controller at an index.
-    void AddNewControllerAt(NPadControllerType controller, std::size_t npad_index);
+    void AddNewControllerAt(Core::HID::NpadType controller, std::size_t npad_index);
     // Adds a new controller at an index with connection status.
-    void UpdateControllerAt(NPadControllerType controller, std::size_t npad_index, bool connected);
+    void UpdateControllerAt(Core::HID::NpadType controller, std::size_t npad_index, bool connected);
 
     void DisconnectNpad(u32 npad_id);
     void DisconnectNpadAtIndex(std::size_t index);
@@ -223,7 +174,7 @@ public:
     void SetSixAxisFusionParameters(f32 parameter1, f32 parameter2);
     std::pair<f32, f32> GetSixAxisFusionParameters();
     void ResetSixAxisFusionParameters();
-    LedPattern GetLedPattern(u32 npad_id);
+    Core::HID::LedPattern GetLedPattern(u32 npad_id);
     bool IsUnintendedHomeButtonInputProtectionEnabled(u32 npad_id) const;
     void SetUnintendedHomeButtonInputProtectionEnabled(bool is_protection_enabled, u32 npad_id);
     void SetAnalogStickUseCenterClamp(bool use_center_clamp);
@@ -241,105 +192,39 @@ public:
     // Specifically for cheat engine and other features.
     u32 GetAndResetPressState();
 
-    static Controller_NPad::NPadControllerType MapSettingsTypeToNPad(Settings::ControllerType type);
-    static Settings::ControllerType MapNPadToSettingsType(Controller_NPad::NPadControllerType type);
     static std::size_t NPadIdToIndex(u32 npad_id);
     static u32 IndexToNPad(std::size_t index);
     static bool IsNpadIdValid(u32 npad_id);
     static bool IsDeviceHandleValid(const DeviceHandle& device_handle);
 
 private:
-    struct CommonHeader {
-        s64_le timestamp;
-        s64_le total_entry_count;
-        s64_le last_entry_index;
-        s64_le entry_count;
-    };
-    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
-
-    enum class ColorAttributes : u32_le {
+    // This is nn::hid::detail::ColorAttribute
+    enum class ColorAttribute : u32 {
         Ok = 0,
         ReadError = 1,
         NoController = 2,
     };
-    static_assert(sizeof(ColorAttributes) == 4, "ColorAttributes is an invalid size");
+    static_assert(sizeof(ColorAttribute) == 4, "ColorAttribute is an invalid size");
 
-    struct ControllerColor {
-        u32_le body;
-        u32_le button;
+    // This is nn::hid::detail::NpadFullKeyColorState
+    struct NpadFullKeyColorState {
+        ColorAttribute attribute;
+        Core::HID::NpadControllerColor fullkey;
     };
-    static_assert(sizeof(ControllerColor) == 8, "ControllerColor is an invalid size");
+    static_assert(sizeof(NpadFullKeyColorState) == 0xC, "NpadFullKeyColorState is an invalid size");
 
-    struct FullKeyColor {
-        ColorAttributes attribute;
-        ControllerColor fullkey;
+    // This is nn::hid::detail::NpadJoyColorState
+    struct NpadJoyColorState {
+        ColorAttribute attribute;
+        Core::HID::NpadControllerColor left;
+        Core::HID::NpadControllerColor right;
     };
-    static_assert(sizeof(FullKeyColor) == 0xC, "FullKeyColor is an invalid size");
+    static_assert(sizeof(NpadJoyColorState) == 0x14, "NpadJoyColorState is an invalid size");
 
-    struct JoyconColor {
-        ColorAttributes attribute;
-        ControllerColor left;
-        ControllerColor right;
-    };
-    static_assert(sizeof(JoyconColor) == 0x14, "JoyconColor is an invalid size");
-
-    struct ControllerPadState {
+    // This is nn::hid::NpadAttribute
+    struct NpadAttribute {
         union {
-            u64_le raw{};
-            // Button states
-            BitField<0, 1, u64> a;
-            BitField<1, 1, u64> b;
-            BitField<2, 1, u64> x;
-            BitField<3, 1, u64> y;
-            BitField<4, 1, u64> l_stick;
-            BitField<5, 1, u64> r_stick;
-            BitField<6, 1, u64> l;
-            BitField<7, 1, u64> r;
-            BitField<8, 1, u64> zl;
-            BitField<9, 1, u64> zr;
-            BitField<10, 1, u64> plus;
-            BitField<11, 1, u64> minus;
-
-            // D-Pad
-            BitField<12, 1, u64> d_left;
-            BitField<13, 1, u64> d_up;
-            BitField<14, 1, u64> d_right;
-            BitField<15, 1, u64> d_down;
-
-            // Left JoyStick
-            BitField<16, 1, u64> l_stick_left;
-            BitField<17, 1, u64> l_stick_up;
-            BitField<18, 1, u64> l_stick_right;
-            BitField<19, 1, u64> l_stick_down;
-
-            // Right JoyStick
-            BitField<20, 1, u64> r_stick_left;
-            BitField<21, 1, u64> r_stick_up;
-            BitField<22, 1, u64> r_stick_right;
-            BitField<23, 1, u64> r_stick_down;
-
-            // Not always active?
-            BitField<24, 1, u64> left_sl;
-            BitField<25, 1, u64> left_sr;
-
-            BitField<26, 1, u64> right_sl;
-            BitField<27, 1, u64> right_sr;
-
-            BitField<28, 1, u64> palma;
-            BitField<30, 1, u64> handheld_left_b;
-        };
-    };
-    static_assert(sizeof(ControllerPadState) == 8, "ControllerPadState is an invalid size");
-
-    struct AnalogPosition {
-        s32_le x;
-        s32_le y;
-    };
-    static_assert(sizeof(AnalogPosition) == 8, "AnalogPosition is an invalid size");
-
-    struct ConnectionState {
-        union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> is_connected;
             BitField<1, 1, u32> is_wired;
             BitField<2, 1, u32> is_left_connected;
@@ -348,79 +233,60 @@ private:
             BitField<5, 1, u32> is_right_wired;
         };
     };
-    static_assert(sizeof(ConnectionState) == 4, "ConnectionState is an invalid size");
+    static_assert(sizeof(NpadAttribute) == 4, "NpadAttribute is an invalid size");
 
-    struct ControllerPad {
-        ControllerPadState pad_states;
-        AnalogPosition l_stick;
-        AnalogPosition r_stick;
+    // This is nn::hid::NpadFullKeyState
+    // This is nn::hid::NpadHandheldState
+    // This is nn::hid::NpadJoyDualState
+    // This is nn::hid::NpadJoyLeftState
+    // This is nn::hid::NpadJoyRightState
+    // This is nn::hid::NpadPalmaState
+    // This is nn::hid::NpadSystemExtState
+    struct NPadGenericState {
+        s64_le sampling_number;
+        Core::HID::NpadButtonState npad_buttons;
+        Core::HID::AnalogStickState l_stick;
+        Core::HID::AnalogStickState r_stick;
+        NpadAttribute connection_status;
+        INSERT_PADDING_BYTES(4); // Reserved
     };
-    static_assert(sizeof(ControllerPad) == 0x18, "ControllerPad is an invalid size");
+    static_assert(sizeof(NPadGenericState) == 0x28, "NPadGenericState is an invalid size");
 
-    struct GenericStates {
-        s64_le timestamp;
-        s64_le timestamp2;
-        ControllerPad pad;
-        ConnectionState connection_status;
-    };
-    static_assert(sizeof(GenericStates) == 0x30, "NPadGenericStates is an invalid size");
-
-    struct NPadGeneric {
-        CommonHeader common;
-        std::array<GenericStates, 17> npad;
-    };
-    static_assert(sizeof(NPadGeneric) == 0x350, "NPadGeneric is an invalid size");
-
-    struct SixAxisAttributes {
+    // This is nn::hid::SixAxisSensorAttribute
+    struct SixAxisSensorAttribute {
         union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> is_connected;
             BitField<1, 1, u32> is_interpolated;
         };
     };
-    static_assert(sizeof(SixAxisAttributes) == 4, "SixAxisAttributes is an invalid size");
+    static_assert(sizeof(SixAxisSensorAttribute) == 4, "SixAxisSensorAttribute is an invalid size");
 
-    struct SixAxisStates {
-        s64_le timestamp{};
-        INSERT_PADDING_WORDS(2);
-        s64_le timestamp2{};
+    // This is nn::hid::SixAxisSensorState
+    struct SixAxisSensorState {
+        s64 delta_time{};
+        s64 sampling_number{};
         Common::Vec3f accel{};
         Common::Vec3f gyro{};
         Common::Vec3f rotation{};
         std::array<Common::Vec3f, 3> orientation{};
-        SixAxisAttributes attribute;
+        SixAxisSensorAttribute attribute;
         INSERT_PADDING_BYTES(4); // Reserved
     };
-    static_assert(sizeof(SixAxisStates) == 0x68, "SixAxisStates is an invalid size");
+    static_assert(sizeof(SixAxisSensorState) == 0x60, "SixAxisSensorState is an invalid size");
 
-    struct SixAxisGeneric {
-        CommonHeader common{};
-        std::array<SixAxisStates, 17> sixaxis{};
+    // This is nn::hid::server::NpadGcTriggerState
+    struct NpadGcTriggerState {
+        s64 sampling_number{};
+        s32 l_analog{};
+        s32 r_analog{};
     };
-    static_assert(sizeof(SixAxisGeneric) == 0x708, "SixAxisGeneric is an invalid size");
-
-    struct TriggerState {
-        s64_le timestamp{};
-        s64_le timestamp2{};
-        s32_le l_analog{};
-        s32_le r_analog{};
-    };
-    static_assert(sizeof(TriggerState) == 0x18, "TriggerState is an invalid size");
-
-    struct TriggerGeneric {
-        INSERT_PADDING_BYTES(0x4);
-        s64_le timestamp;
-        INSERT_PADDING_BYTES(0x4);
-        s64_le total_entry_count;
-        s64_le last_entry_index;
-        s64_le entry_count;
-        std::array<TriggerState, 17> trigger{};
-    };
-    static_assert(sizeof(TriggerGeneric) == 0x1C8, "TriggerGeneric is an invalid size");
+    static_assert(sizeof(NpadGcTriggerState) == 0x10, "NpadGcTriggerState is an invalid size");
 
+    // This is nn::hid::NpadSystemProperties
     struct NPadSystemProperties {
         union {
-            s64_le raw{};
+            s64 raw{};
             BitField<0, 1, s64> is_charging_joy_dual;
             BitField<1, 1, s64> is_charging_joy_left;
             BitField<2, 1, s64> is_charging_joy_right;
@@ -438,17 +304,20 @@ private:
     };
     static_assert(sizeof(NPadSystemProperties) == 0x8, "NPadSystemProperties is an invalid size");
 
-    struct NPadButtonProperties {
+    // This is nn::hid::NpadSystemButtonProperties
+    struct NpadSystemButtonProperties {
         union {
-            s32_le raw{};
+            s32 raw{};
             BitField<0, 1, s32> is_home_button_protection_enabled;
         };
     };
-    static_assert(sizeof(NPadButtonProperties) == 0x4, "NPadButtonProperties is an invalid size");
+    static_assert(sizeof(NpadSystemButtonProperties) == 0x4,
+                  "NPadButtonProperties is an invalid size");
 
-    struct NPadDevice {
+    // This is nn::hid::system::DeviceType
+    struct DeviceType {
         union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, s32> fullkey;
             BitField<1, 1, s32> debug_pad;
             BitField<2, 1, s32> handheld_left;
@@ -465,26 +334,49 @@ private:
             BitField<13, 1, s32> handheld_lark_nes_left;
             BitField<14, 1, s32> handheld_lark_nes_right;
             BitField<15, 1, s32> lucia;
+            BitField<16, 1, s32> lagon;
+            BitField<17, 1, s32> lager;
             BitField<31, 1, s32> system;
         };
     };
 
-    struct MotionDevice {
-        Common::Vec3f accel;
-        Common::Vec3f gyro;
-        Common::Vec3f rotation;
-        std::array<Common::Vec3f, 3> orientation;
-        Common::Quaternion<f32> quaternion;
+    // This is nn::hid::detail::NfcXcdDeviceHandleStateImpl
+    struct NfcXcdDeviceHandleStateImpl {
+        u64 handle;
+        bool is_available;
+        bool is_activated;
+        INSERT_PADDING_BYTES(0x6); // Reserved
+        u64 sampling_number;
     };
+    static_assert(sizeof(NfcXcdDeviceHandleStateImpl) == 0x18,
+                  "NfcXcdDeviceHandleStateImpl is an invalid size");
 
-    struct NfcXcdHandle {
-        INSERT_PADDING_BYTES(0x60);
+    // nn::hid::detail::NfcXcdDeviceHandleStateImplAtomicStorage
+    struct NfcXcdDeviceHandleStateImplAtomicStorage {
+        u64 sampling_number;
+        NfcXcdDeviceHandleStateImpl nfc_xcd_device_handle_state;
     };
+    static_assert(sizeof(NfcXcdDeviceHandleStateImplAtomicStorage) == 0x20,
+                  "NfcXcdDeviceHandleStateImplAtomicStorage is an invalid size");
 
+    // This is nn::hid::detail::NfcXcdDeviceHandleState
+    struct NfcXcdDeviceHandleState {
+        // TODO(german77): Make this struct a ring lifo object
+        INSERT_PADDING_BYTES(0x8); // Unused
+        s64 total_buffer_count = max_buffer_size;
+        s64 buffer_tail{};
+        s64 buffer_count{};
+        std::array<NfcXcdDeviceHandleStateImplAtomicStorage, 2> nfc_xcd_device_handle_storage;
+    };
+    static_assert(sizeof(NfcXcdDeviceHandleState) == 0x60,
+                  "NfcXcdDeviceHandleState is an invalid size");
+
+    // This is nn::hid::system::AppletFooterUiAttributesSet
     struct AppletFooterUiAttributes {
         INSERT_PADDING_BYTES(0x4);
     };
 
+    // This is nn::hid::system::AppletFooterUiType
     enum class AppletFooterUiType : u8 {
         None = 0,
         HandheldNone = 1,
@@ -510,95 +402,137 @@ private:
         Lagon = 21,
     };
 
-    struct NPadEntry {
-        NpadStyleSet style_set;
-        NpadAssignments assignment_mode;
-        FullKeyColor fullkey_color;
-        JoyconColor joycon_color;
+    struct AppletFooterUi {
+        AppletFooterUiAttributes attributes;
+        AppletFooterUiType type;
+        INSERT_PADDING_BYTES(0x5B); // Reserved
+    };
+    static_assert(sizeof(AppletFooterUi) == 0x60, "AppletFooterUi is an invalid size");
 
-        NPadGeneric fullkey_states;
-        NPadGeneric handheld_states;
-        NPadGeneric joy_dual_states;
-        NPadGeneric joy_left_states;
-        NPadGeneric joy_right_states;
-        NPadGeneric palma_states;
-        NPadGeneric system_ext_states;
-        SixAxisGeneric sixaxis_fullkey;
-        SixAxisGeneric sixaxis_handheld;
-        SixAxisGeneric sixaxis_dual_left;
-        SixAxisGeneric sixaxis_dual_right;
-        SixAxisGeneric sixaxis_left;
-        SixAxisGeneric sixaxis_right;
-        NPadDevice device_type;
-        INSERT_PADDING_BYTES(0x4); // reserved
+    // This is nn::hid::NpadLarkType
+    enum class NpadLarkType : u32 {
+        Invalid,
+        H1,
+        H2,
+        NL,
+        NR,
+    };
+
+    // This is nn::hid::NpadLuciaType
+    enum class NpadLuciaType : u32 {
+        Invalid,
+        J,
+        E,
+        U,
+    };
+
+    // This is nn::hid::NpadLagonType
+    enum class NpadLagonType : u32 {
+        Invalid,
+    };
+
+    // This is nn::hid::NpadLagerType
+    enum class NpadLagerType : u32 {
+        Invalid,
+        J,
+        E,
+        U,
+    };
+
+    // This is nn::hid::detail::NpadInternalState
+    struct NpadInternalState {
+        Core::HID::NpadStyleTag style_set;
+        NpadJoyAssignmentMode assignment_mode;
+        NpadFullKeyColorState fullkey_color;
+        NpadJoyColorState joycon_color;
+        Lifo<NPadGenericState> fullkey_lifo;
+        Lifo<NPadGenericState> handheld_lifo;
+        Lifo<NPadGenericState> joy_dual_lifo;
+        Lifo<NPadGenericState> joy_left_lifo;
+        Lifo<NPadGenericState> joy_right_lifo;
+        Lifo<NPadGenericState> palma_lifo;
+        Lifo<NPadGenericState> system_ext_lifo;
+        Lifo<SixAxisSensorState> sixaxis_fullkey_lifo;
+        Lifo<SixAxisSensorState> sixaxis_handheld_lifo;
+        Lifo<SixAxisSensorState> sixaxis_dual_left_lifo;
+        Lifo<SixAxisSensorState> sixaxis_dual_right_lifo;
+        Lifo<SixAxisSensorState> sixaxis_left_lifo;
+        Lifo<SixAxisSensorState> sixaxis_right_lifo;
+        DeviceType device_type;
+        INSERT_PADDING_BYTES(0x4); // Reserved
         NPadSystemProperties system_properties;
-        NPadButtonProperties button_properties;
-        u32 battery_level_dual;
-        u32 battery_level_left;
-        u32 battery_level_right;
-        AppletFooterUiAttributes footer_attributes;
-        AppletFooterUiType footer_type;
-        // nfc_states needs to be checked switchbrew does not match with HW
-        NfcXcdHandle nfc_states;
-        INSERT_PADDING_BYTES(0x8); // Mutex
-        TriggerGeneric gc_trigger_states;
-        INSERT_PADDING_BYTES(0xc1f);
+        NpadSystemButtonProperties button_properties;
+        Core::HID::BatteryLevel battery_level_dual;
+        Core::HID::BatteryLevel battery_level_left;
+        Core::HID::BatteryLevel battery_level_right;
+        union {
+            NfcXcdDeviceHandleState nfc_xcd_device_handle;
+            AppletFooterUi applet_footer;
+        };
+        INSERT_PADDING_BYTES(0x20); // Unknown
+        Lifo<NpadGcTriggerState> gc_trigger_lifo;
+        NpadLarkType lark_type_l_and_main;
+        NpadLarkType lark_type_r;
+        NpadLuciaType lucia_type;
+        NpadLagonType lagon_type;
+        NpadLagerType lager_type;
+        INSERT_PADDING_BYTES(
+            0x4); // FW 13.x Investigate there is some sort of bitflag related to joycons
+        INSERT_PADDING_BYTES(0xc08); // Unknown
     };
-    static_assert(sizeof(NPadEntry) == 0x5000, "NPadEntry is an invalid size");
+    static_assert(sizeof(NpadInternalState) == 0x5000, "NpadInternalState is an invalid size");
 
-    struct ControllerHolder {
-        NPadControllerType type;
-        bool is_connected;
+    struct VibrationData {
+        bool device_mounted{};
+        VibrationValue latest_vibration_value{};
+        std::chrono::steady_clock::time_point last_vibration_timepoint{};
     };
 
+    struct ControllerData {
+        Core::HID::EmulatedController* device;
+        Kernel::KEvent* styleset_changed_event{};
+        NpadInternalState shared_memory_entry{};
+
+        std::array<VibrationData, 2> vibration{};
+        bool unintended_home_button_input_protection{};
+        bool is_connected{};
+        Core::HID::NpadType npad_type{Core::HID::NpadType::None};
+
+        // Current pad state
+        NPadGenericState npad_pad_state{};
+        NPadGenericState npad_libnx_state{};
+        NpadGcTriggerState npad_trigger_state{};
+        SixAxisSensorState sixaxis_fullkey_state{};
+        SixAxisSensorState sixaxis_handheld_state{};
+        SixAxisSensorState sixaxis_dual_left_state{};
+        SixAxisSensorState sixaxis_dual_right_state{};
+        SixAxisSensorState sixaxis_left_lifo_state{};
+        SixAxisSensorState sixaxis_right_lifo_state{};
+        int callback_key;
+    };
+
+    void ControllerUpdate(Core::HID::ControllerTriggerType type, std::size_t controller_idx);
     void InitNewlyAddedController(std::size_t controller_idx);
-    bool IsControllerSupported(NPadControllerType controller) const;
+    bool IsControllerSupported(Core::HID::NpadType controller) const;
     void RequestPadStateUpdate(u32 npad_id);
+    void WriteEmptyEntry(NpadInternalState& npad);
 
     std::atomic<u32> press_state{};
 
-    NpadStyleSet style{};
-    std::array<NPadEntry, 10> shared_memory_entries{};
-    using ButtonArray = std::array<
-        std::array<std::unique_ptr<Input::ButtonDevice>, Settings::NativeButton::NUM_BUTTONS_HID>,
-        10>;
-    using StickArray = std::array<
-        std::array<std::unique_ptr<Input::AnalogDevice>, Settings::NativeAnalog::NUM_STICKS_HID>,
-        10>;
-    using VibrationArray = std::array<std::array<std::unique_ptr<Input::VibrationDevice>,
-                                                 Settings::NativeVibration::NUM_VIBRATIONS_HID>,
-                                      10>;
-    using MotionArray = std::array<
-        std::array<std::unique_ptr<Input::MotionDevice>, Settings::NativeMotion::NUM_MOTIONS_HID>,
-        10>;
-
+    std::array<ControllerData, 10> controller_data{};
     KernelHelpers::ServiceContext& service_context;
     std::mutex mutex;
-    ButtonArray buttons;
-    StickArray sticks;
-    VibrationArray vibrations;
-    MotionArray motions;
     std::vector<u32> supported_npad_id_types{};
-    NpadHoldType hold_type{NpadHoldType::Vertical};
+    NpadJoyHoldType hold_type{NpadJoyHoldType::Vertical};
     NpadHandheldActivationMode handheld_activation_mode{NpadHandheldActivationMode::Dual};
     NpadCommunicationMode communication_mode{NpadCommunicationMode::Default};
-    // Each controller should have their own styleset changed event
-    std::array<Kernel::KEvent*, 10> styleset_changed_events{};
-    std::array<std::array<std::chrono::steady_clock::time_point, 2>, 10>
-        last_vibration_timepoints{};
-    std::array<std::array<VibrationValue, 2>, 10> latest_vibration_values{};
     bool permit_vibration_session_enabled{false};
-    std::array<std::array<bool, 2>, 10> vibration_devices_mounted{};
-    std::array<ControllerHolder, 10> connected_controllers{};
-    std::array<bool, 10> unintended_home_button_input_protection{};
     bool analog_stick_use_center_clamp{};
     GyroscopeZeroDriftMode gyroscope_zero_drift_mode{GyroscopeZeroDriftMode::Standard};
     bool sixaxis_sensors_enabled{true};
     f32 sixaxis_fusion_parameter1{};
     f32 sixaxis_fusion_parameter2{};
     bool sixaxis_at_rest{true};
-    std::array<ControllerPad, 10> npad_pad_states{};
-    std::array<TriggerState, 10> npad_trigger_states{};
     bool is_in_lr_assignment_mode{false};
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/stubbed.cpp

@@ -31,10 +31,9 @@ void Controller_Stubbed::OnUpdate(const Core::Timing::CoreTiming& core_timing, u
     std::memcpy(data + common_offset, &header, sizeof(CommonHeader));
 }
 
-void Controller_Stubbed::OnLoadInputDevices() {}
-
 void Controller_Stubbed::SetCommonHeaderOffset(std::size_t off) {
     common_offset = off;
     smart_update = true;
 }
+
 } // namespace Service::HID

src/core/hle/service/hid/controllers/stubbed.h

@@ -22,12 +22,17 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
     void SetCommonHeaderOffset(std::size_t off);
 
 private:
+    struct CommonHeader {
+        s64 timestamp;
+        s64 total_entry_count;
+        s64 last_entry_index;
+        s64 entry_count;
+    };
+    static_assert(sizeof(CommonHeader) == 0x20, "CommonHeader is an invalid size");
+
     bool smart_update{};
     std::size_t common_offset{};
 };

src/core/hle/service/hid/controllers/touchscreen.cpp

@@ -7,72 +7,79 @@
 #include "common/common_types.h"
 #include "common/logging/log.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
-#include "core/frontend/input.h"
 #include "core/hle/service/hid/controllers/touchscreen.h"
 
 namespace Service::HID {
 constexpr std::size_t SHARED_MEMORY_OFFSET = 0x400;
 
-Controller_Touchscreen::Controller_Touchscreen(Core::System& system_) : ControllerBase{system_} {}
+Controller_Touchscreen::Controller_Touchscreen(Core::System& system_) : ControllerBase{system_} {
+    console = system.HIDCore().GetEmulatedConsole();
+}
+
 Controller_Touchscreen::~Controller_Touchscreen() = default;
 
-void Controller_Touchscreen::OnInit() {
-    for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
-        mouse_finger_id[id] = MAX_FINGERS;
-        keyboard_finger_id[id] = MAX_FINGERS;
-        udp_finger_id[id] = MAX_FINGERS;
-    }
-}
+void Controller_Touchscreen::OnInit() {}
 
 void Controller_Touchscreen::OnRelease() {}
 
 void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                       std::size_t size) {
-    shared_memory.header.timestamp = core_timing.GetCPUTicks();
-    shared_memory.header.total_entry_count = 17;
+    touch_screen_lifo.timestamp = core_timing.GetCPUTicks();
 
     if (!IsControllerActivated()) {
-        shared_memory.header.entry_count = 0;
-        shared_memory.header.last_entry_index = 0;
+        touch_screen_lifo.buffer_count = 0;
+        touch_screen_lifo.buffer_tail = 0;
+        std::memcpy(data, &touch_screen_lifo, sizeof(touch_screen_lifo));
         return;
     }
-    shared_memory.header.entry_count = 16;
 
-    const auto& last_entry =
-        shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
-    shared_memory.header.last_entry_index = (shared_memory.header.last_entry_index + 1) % 17;
-    auto& cur_entry = shared_memory.shared_memory_entries[shared_memory.header.last_entry_index];
+    const auto touch_status = console->GetTouch();
+    for (std::size_t id = 0; id < MAX_FINGERS; id++) {
+        const auto& current_touch = touch_status[id];
+        auto& finger = fingers[id];
+        finger.position = current_touch.position;
+        finger.id = current_touch.id;
 
-    cur_entry.sampling_number = last_entry.sampling_number + 1;
-    cur_entry.sampling_number2 = cur_entry.sampling_number;
+        if (finger.attribute.start_touch) {
+            finger.attribute.raw = 0;
+            continue;
+        }
 
-    const Input::TouchStatus& mouse_status = touch_mouse_device->GetStatus();
-    const Input::TouchStatus& udp_status = touch_udp_device->GetStatus();
-    for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-        mouse_finger_id[id] = UpdateTouchInputEvent(mouse_status[id], mouse_finger_id[id]);
-        udp_finger_id[id] = UpdateTouchInputEvent(udp_status[id], udp_finger_id[id]);
-    }
+        if (finger.attribute.end_touch) {
+            finger.attribute.raw = 0;
+            finger.pressed = false;
+            continue;
+        }
 
-    if (Settings::values.use_touch_from_button) {
-        const Input::TouchStatus& keyboard_status = touch_btn_device->GetStatus();
-        for (std::size_t id = 0; id < mouse_status.size(); ++id) {
-            keyboard_finger_id[id] =
-                UpdateTouchInputEvent(keyboard_status[id], keyboard_finger_id[id]);
+        if (!finger.pressed && current_touch.pressed) {
+            finger.attribute.start_touch.Assign(1);
+            finger.pressed = true;
+            continue;
+        }
+
+        if (finger.pressed && !current_touch.pressed) {
+            finger.attribute.raw = 0;
+            finger.attribute.end_touch.Assign(1);
         }
     }
 
-    std::array<Finger, 16> active_fingers;
+    std::array<Core::HID::TouchFinger, MAX_FINGERS> active_fingers;
     const auto end_iter = std::copy_if(fingers.begin(), fingers.end(), active_fingers.begin(),
                                        [](const auto& finger) { return finger.pressed; });
     const auto active_fingers_count =
         static_cast<std::size_t>(std::distance(active_fingers.begin(), end_iter));
 
     const u64 tick = core_timing.GetCPUTicks();
-    cur_entry.entry_count = static_cast<s32_le>(active_fingers_count);
+    const auto& last_entry = touch_screen_lifo.ReadCurrentEntry().state;
+
+    next_state.sampling_number = last_entry.sampling_number + 1;
+    next_state.entry_count = static_cast<s32>(active_fingers_count);
+
     for (std::size_t id = 0; id < MAX_FINGERS; ++id) {
-        auto& touch_entry = cur_entry.states[id];
+        auto& touch_entry = next_state.states[id];
         if (id < active_fingers_count) {
             const auto& [active_x, active_y] = active_fingers[id].position;
             touch_entry.position = {
@@ -97,66 +104,9 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
             touch_entry.finger = 0;
         }
     }
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(TouchScreenSharedMemory));
-}
 
-void Controller_Touchscreen::OnLoadInputDevices() {
-    touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
-    touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
-    touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
-}
-
-std::optional<std::size_t> Controller_Touchscreen::GetUnusedFingerID() const {
-    // Dont assign any touch input to a finger if disabled
-    if (!Settings::values.touchscreen.enabled) {
-        return std::nullopt;
-    }
-    std::size_t first_free_id = 0;
-    while (first_free_id < MAX_FINGERS) {
-        if (!fingers[first_free_id].pressed) {
-            return first_free_id;
-        } else {
-            first_free_id++;
-        }
-    }
-    return std::nullopt;
-}
-
-std::size_t Controller_Touchscreen::UpdateTouchInputEvent(
-    const std::tuple<float, float, bool>& touch_input, std::size_t finger_id) {
-    const auto& [x, y, pressed] = touch_input;
-    if (finger_id > MAX_FINGERS) {
-        LOG_ERROR(Service_HID, "Invalid finger id {}", finger_id);
-        return MAX_FINGERS;
-    }
-    if (pressed) {
-        Attributes attribute{};
-        if (finger_id == MAX_FINGERS) {
-            const auto first_free_id = GetUnusedFingerID();
-            if (!first_free_id) {
-                // Invalid finger id do nothing
-                return MAX_FINGERS;
-            }
-            finger_id = first_free_id.value();
-            fingers[finger_id].pressed = true;
-            fingers[finger_id].id = static_cast<u32_le>(finger_id);
-            attribute.start_touch.Assign(1);
-        }
-        fingers[finger_id].position = {x, y};
-        fingers[finger_id].attribute = attribute;
-        return finger_id;
-    }
-
-    if (finger_id != MAX_FINGERS) {
-        if (!fingers[finger_id].attribute.end_touch) {
-            fingers[finger_id].attribute.end_touch.Assign(1);
-            fingers[finger_id].attribute.start_touch.Assign(0);
-            return finger_id;
-        }
-        fingers[finger_id].pressed = false;
-    }
-
-    return MAX_FINGERS;
+    touch_screen_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &touch_screen_lifo, sizeof(touch_screen_lifo));
 }
 
 } // namespace Service::HID

src/core/hle/service/hid/controllers/touchscreen.h

@@ -9,18 +9,23 @@
 #include "common/common_types.h"
 #include "common/point.h"
 #include "common/swap.h"
-#include "core/frontend/input.h"
+#include "core/hid/emulated_console.h"
+#include "core/hid/hid_core.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
 
 namespace Service::HID {
 class Controller_Touchscreen final : public ControllerBase {
 public:
+    // This is nn::hid::TouchScreenModeForNx
     enum class TouchScreenModeForNx : u8 {
         UseSystemSetting,
         Finger,
         Heat2,
     };
 
+    // This is nn::hid::TouchScreenConfigurationForNx
     struct TouchScreenConfigurationForNx {
         TouchScreenModeForNx mode;
         INSERT_PADDING_BYTES_NOINIT(0x7);
@@ -41,73 +46,24 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
     static constexpr std::size_t MAX_FINGERS = 16;
 
-    // Returns an unused finger id, if there is no fingers available std::nullopt will be returned
-    std::optional<std::size_t> GetUnusedFingerID() const;
-
-    // If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
-    // changes will be made. Updates the coordinates if the finger id it's already set. If the touch
-    // ends delays the output by one frame to set the end_touch flag before finally freeing the
-    // finger id
-    std::size_t UpdateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
-                                      std::size_t finger_id);
-
-    struct Attributes {
-        union {
-            u32 raw{};
-            BitField<0, 1, u32> start_touch;
-            BitField<1, 1, u32> end_touch;
-        };
+    // This is nn::hid::TouchScreenState
+    struct TouchScreenState {
+        s64 sampling_number;
+        s32 entry_count;
+        INSERT_PADDING_BYTES(4); // Reserved
+        std::array<Core::HID::TouchState, MAX_FINGERS> states;
     };
-    static_assert(sizeof(Attributes) == 0x4, "Attributes is an invalid size");
+    static_assert(sizeof(TouchScreenState) == 0x290, "TouchScreenState is an invalid size");
 
-    struct TouchState {
-        u64_le delta_time;
-        Attributes attribute;
-        u32_le finger;
-        Common::Point<u32_le> position;
-        u32_le diameter_x;
-        u32_le diameter_y;
-        u32_le rotation_angle;
-    };
-    static_assert(sizeof(TouchState) == 0x28, "Touchstate is an invalid size");
+    // This is nn::hid::detail::TouchScreenLifo
+    Lifo<TouchScreenState> touch_screen_lifo{};
+    static_assert(sizeof(touch_screen_lifo) == 0x2C38, "touch_screen_lifo is an invalid size");
+    TouchScreenState next_state{};
 
-    struct TouchScreenEntry {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        s32_le entry_count;
-        std::array<TouchState, MAX_FINGERS> states;
-    };
-    static_assert(sizeof(TouchScreenEntry) == 0x298, "TouchScreenEntry is an invalid size");
-
-    struct TouchScreenSharedMemory {
-        CommonHeader header;
-        std::array<TouchScreenEntry, 17> shared_memory_entries{};
-        INSERT_PADDING_BYTES(0x3c8);
-    };
-    static_assert(sizeof(TouchScreenSharedMemory) == 0x3000,
-                  "TouchScreenSharedMemory is an invalid size");
-
-    struct Finger {
-        u64_le last_touch{};
-        Common::Point<float> position;
-        u32_le id{};
-        bool pressed{};
-        Attributes attribute;
-    };
-
-    TouchScreenSharedMemory shared_memory{};
-    std::unique_ptr<Input::TouchDevice> touch_mouse_device;
-    std::unique_ptr<Input::TouchDevice> touch_udp_device;
-    std::unique_ptr<Input::TouchDevice> touch_btn_device;
-    std::array<std::size_t, MAX_FINGERS> mouse_finger_id;
-    std::array<std::size_t, MAX_FINGERS> keyboard_finger_id;
-    std::array<std::size_t, MAX_FINGERS> udp_finger_id;
-    std::array<Finger, MAX_FINGERS> fingers;
+    std::array<Core::HID::TouchFinger, MAX_FINGERS> fingers;
+    Core::HID::EmulatedConsole* console;
 };
 } // namespace Service::HID

src/core/hle/service/hid/controllers/xpad.cpp

@@ -19,28 +19,19 @@ void Controller_XPad::OnRelease() {}
 
 void Controller_XPad::OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data,
                                std::size_t size) {
-    for (auto& xpad_entry : shared_memory.shared_memory_entries) {
-        xpad_entry.header.timestamp = core_timing.GetCPUTicks();
-        xpad_entry.header.total_entry_count = 17;
-
-        if (!IsControllerActivated()) {
-            xpad_entry.header.entry_count = 0;
-            xpad_entry.header.last_entry_index = 0;
-            return;
-        }
-        xpad_entry.header.entry_count = 16;
-
-        const auto& last_entry = xpad_entry.pad_states[xpad_entry.header.last_entry_index];
-        xpad_entry.header.last_entry_index = (xpad_entry.header.last_entry_index + 1) % 17;
-        auto& cur_entry = xpad_entry.pad_states[xpad_entry.header.last_entry_index];
-
-        cur_entry.sampling_number = last_entry.sampling_number + 1;
-        cur_entry.sampling_number2 = cur_entry.sampling_number;
+    if (!IsControllerActivated()) {
+        basic_xpad_lifo.buffer_count = 0;
+        basic_xpad_lifo.buffer_tail = 0;
+        std::memcpy(data + SHARED_MEMORY_OFFSET, &basic_xpad_lifo, sizeof(basic_xpad_lifo));
+        return;
     }
+
+    const auto& last_entry = basic_xpad_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
     // TODO(ogniK): Update xpad states
 
-    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+    basic_xpad_lifo.WriteNextEntry(next_state);
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &basic_xpad_lifo, sizeof(basic_xpad_lifo));
 }
 
-void Controller_XPad::OnLoadInputDevices() {}
 } // namespace Service::HID

src/core/hle/service/hid/controllers/xpad.h

@@ -8,7 +8,9 @@
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "common/swap.h"
+#include "core/hid/hid_types.h"
 #include "core/hle/service/hid/controllers/controller_base.h"
+#include "core/hle/service/hid/ring_lifo.h"
 
 namespace Service::HID {
 class Controller_XPad final : public ControllerBase {
@@ -25,13 +27,11 @@ public:
     // When the controller is requesting an update for the shared memory
     void OnUpdate(const Core::Timing::CoreTiming& core_timing, u8* data, std::size_t size) override;
 
-    // Called when input devices should be loaded
-    void OnLoadInputDevices() override;
-
 private:
-    struct Attributes {
+    // This is nn::hid::BasicXpadAttributeSet
+    struct BasicXpadAttributeSet {
         union {
-            u32_le raw{};
+            u32 raw{};
             BitField<0, 1, u32> is_connected;
             BitField<1, 1, u32> is_wired;
             BitField<2, 1, u32> is_left_connected;
@@ -40,11 +40,12 @@ private:
             BitField<5, 1, u32> is_right_wired;
         };
     };
-    static_assert(sizeof(Attributes) == 4, "Attributes is an invalid size");
+    static_assert(sizeof(BasicXpadAttributeSet) == 4, "BasicXpadAttributeSet is an invalid size");
 
-    struct Buttons {
+    // This is nn::hid::BasicXpadButtonSet
+    struct BasicXpadButtonSet {
         union {
-            u32_le raw{};
+            u32 raw{};
             // Button states
             BitField<0, 1, u32> a;
             BitField<1, 1, u32> b;
@@ -88,35 +89,21 @@ private:
             BitField<30, 1, u32> handheld_left_b;
         };
     };
-    static_assert(sizeof(Buttons) == 4, "Buttons is an invalid size");
+    static_assert(sizeof(BasicXpadButtonSet) == 4, "BasicXpadButtonSet is an invalid size");
 
-    struct AnalogStick {
-        s32_le x;
-        s32_le y;
+    // This is nn::hid::detail::BasicXpadState
+    struct BasicXpadState {
+        s64 sampling_number;
+        BasicXpadAttributeSet attributes;
+        BasicXpadButtonSet pad_states;
+        Core::HID::AnalogStickState l_stick;
+        Core::HID::AnalogStickState r_stick;
     };
-    static_assert(sizeof(AnalogStick) == 0x8, "AnalogStick is an invalid size");
+    static_assert(sizeof(BasicXpadState) == 0x20, "BasicXpadState is an invalid size");
 
-    struct XPadState {
-        s64_le sampling_number;
-        s64_le sampling_number2;
-        Attributes attributes;
-        Buttons pad_states;
-        AnalogStick l_stick;
-        AnalogStick r_stick;
-    };
-    static_assert(sizeof(XPadState) == 0x28, "XPadState is an invalid size");
-
-    struct XPadEntry {
-        CommonHeader header;
-        std::array<XPadState, 17> pad_states{};
-        INSERT_PADDING_BYTES(0x138);
-    };
-    static_assert(sizeof(XPadEntry) == 0x400, "XPadEntry is an invalid size");
-
-    struct SharedMemory {
-        std::array<XPadEntry, 4> shared_memory_entries{};
-    };
-    static_assert(sizeof(SharedMemory) == 0x1000, "SharedMemory is an invalid size");
-    SharedMemory shared_memory{};
+    // This is nn::hid::detail::BasicXpadLifo
+    Lifo<BasicXpadState> basic_xpad_lifo{};
+    static_assert(sizeof(basic_xpad_lifo) == 0x2C8, "basic_xpad_lifo is an invalid size");
+    BasicXpadState next_state{};
 };
 } // namespace Service::HID

src/core/hle/service/hid/hid.cpp

@@ -9,7 +9,6 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/frontend/emu_window.h"
-#include "core/frontend/input.h"
 #include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/k_shared_memory.h"
@@ -36,10 +35,9 @@
 namespace Service::HID {
 
 // Updating period for each HID device.
-// HID is polled every 15ms, this value was derived from
-// https://github.com/dekuNukem/Nintendo_Switch_Reverse_Engineering#joy-con-status-data-packet
-constexpr auto pad_update_ns = std::chrono::nanoseconds{1000 * 1000};         // (1ms, 1000Hz)
-constexpr auto motion_update_ns = std::chrono::nanoseconds{15 * 1000 * 1000}; // (15ms, 66.666Hz)
+// Period time is obtained by measuring the number of samples in a second on HW using a homebrew
+constexpr auto pad_update_ns = std::chrono::nanoseconds{4 * 1000 * 1000};    // (4ms, 250Hz)
+constexpr auto motion_update_ns = std::chrono::nanoseconds{5 * 1000 * 1000}; // (5ms, 200Hz)
 constexpr std::size_t SHARED_MEMORY_SIZE = 0x40000;
 
 IAppletResource::IAppletResource(Core::System& system_,
@@ -91,7 +89,7 @@ IAppletResource::IAppletResource(Core::System& system_,
     system.CoreTiming().ScheduleEvent(pad_update_ns, pad_update_event);
     system.CoreTiming().ScheduleEvent(motion_update_ns, motion_update_event);
 
-    ReloadInputDevices();
+    system.HIDCore().ReloadInputDevices();
 }
 
 void IAppletResource::ActivateController(HidController controller) {
@@ -119,11 +117,7 @@ void IAppletResource::UpdateControllers(std::uintptr_t user_data,
                                         std::chrono::nanoseconds ns_late) {
     auto& core_timing = system.CoreTiming();
 
-    const bool should_reload = Settings::values.is_device_reload_pending.exchange(false);
     for (const auto& controller : controllers) {
-        if (should_reload) {
-            controller->OnLoadInputDevices();
-        }
         controller->OnUpdate(core_timing, system.Kernel().GetHidSharedMem().GetPointer(),
                              SHARED_MEMORY_SIZE);
     }
@@ -893,7 +887,7 @@ void Hid::ActivateNpadWithRevision(Kernel::HLERequestContext& ctx) {
 void Hid::SetNpadJoyHoldType(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto applet_resource_user_id{rp.Pop<u64>()};
-    const auto hold_type{rp.PopEnum<Controller_NPad::NpadHoldType>()};
+    const auto hold_type{rp.PopEnum<Controller_NPad::NpadJoyHoldType>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad).SetHoldType(hold_type);
 
@@ -926,7 +920,7 @@ void Hid::SetNpadJoyAssignmentModeSingleByDefault(Kernel::HLERequestContext& ctx
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadAssignments::Single);
+        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyAssignmentMode::Single);
 
     LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}",
                 parameters.npad_id, parameters.applet_resource_user_id);
@@ -948,7 +942,7 @@ void Hid::SetNpadJoyAssignmentModeSingle(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadAssignments::Single);
+        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyAssignmentMode::Single);
 
     LOG_WARNING(Service_HID,
                 "(STUBBED) called, npad_id={}, applet_resource_user_id={}, npad_joy_device_type={}",
@@ -970,7 +964,7 @@ void Hid::SetNpadJoyAssignmentModeDual(Kernel::HLERequestContext& ctx) {
     const auto parameters{rp.PopRaw<Parameters>()};
 
     applet_resource->GetController<Controller_NPad>(HidController::NPad)
-        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadAssignments::Dual);
+        .SetNpadMode(parameters.npad_id, Controller_NPad::NpadJoyAssignmentMode::Dual);
 
     LOG_WARNING(Service_HID, "(STUBBED) called, npad_id={}, applet_resource_user_id={}",
                 parameters.npad_id, parameters.applet_resource_user_id);
@@ -1136,36 +1130,36 @@ void Hid::GetVibrationDeviceInfo(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp{ctx};
     const auto vibration_device_handle{rp.PopRaw<Controller_NPad::DeviceHandle>()};
 
-    VibrationDeviceInfo vibration_device_info;
+    Core::HID::VibrationDeviceInfo vibration_device_info;
 
     switch (vibration_device_handle.npad_type) {
-    case Controller_NPad::NpadType::ProController:
-    case Controller_NPad::NpadType::Handheld:
-    case Controller_NPad::NpadType::JoyconDual:
-    case Controller_NPad::NpadType::JoyconLeft:
-    case Controller_NPad::NpadType::JoyconRight:
+    case Core::HID::NpadType::ProController:
+    case Core::HID::NpadType::Handheld:
+    case Core::HID::NpadType::JoyconDual:
+    case Core::HID::NpadType::JoyconLeft:
+    case Core::HID::NpadType::JoyconRight:
     default:
-        vibration_device_info.type = VibrationDeviceType::LinearResonantActuator;
+        vibration_device_info.type = Core::HID::VibrationDeviceType::LinearResonantActuator;
         break;
-    case Controller_NPad::NpadType::GameCube:
-        vibration_device_info.type = VibrationDeviceType::GcErm;
+    case Core::HID::NpadType::GameCube:
+        vibration_device_info.type = Core::HID::VibrationDeviceType::GcErm;
         break;
-    case Controller_NPad::NpadType::Pokeball:
-        vibration_device_info.type = VibrationDeviceType::Unknown;
+    case Core::HID::NpadType::Pokeball:
+        vibration_device_info.type = Core::HID::VibrationDeviceType::Unknown;
         break;
     }
 
     switch (vibration_device_handle.device_index) {
     case Controller_NPad::DeviceIndex::Left:
-        vibration_device_info.position = VibrationDevicePosition::Left;
+        vibration_device_info.position = Core::HID::VibrationDevicePosition::Left;
         break;
     case Controller_NPad::DeviceIndex::Right:
-        vibration_device_info.position = VibrationDevicePosition::Right;
+        vibration_device_info.position = Core::HID::VibrationDevicePosition::Right;
         break;
     case Controller_NPad::DeviceIndex::None:
     default:
         UNREACHABLE_MSG("DeviceIndex should never be None!");
-        vibration_device_info.position = VibrationDevicePosition::None;
+        vibration_device_info.position = Core::HID::VibrationDevicePosition::None;
         break;
     }
 
@@ -1280,7 +1274,7 @@ void Hid::SendVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
     struct Parameters {
         Controller_NPad::DeviceHandle vibration_device_handle;
         u64 applet_resource_user_id;
-        VibrationGcErmCommand gc_erm_command;
+        Core::HID::VibrationGcErmCommand gc_erm_command;
     };
     static_assert(sizeof(Parameters) == 0x18, "Parameters has incorrect size.");
 
@@ -1294,21 +1288,21 @@ void Hid::SendVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
      */
     const auto vibration_value = [parameters] {
         switch (parameters.gc_erm_command) {
-        case VibrationGcErmCommand::Stop:
+        case Core::HID::VibrationGcErmCommand::Stop:
             return Controller_NPad::VibrationValue{
                 .amp_low = 0.0f,
                 .freq_low = 160.0f,
                 .amp_high = 0.0f,
                 .freq_high = 320.0f,
             };
-        case VibrationGcErmCommand::Start:
+        case Core::HID::VibrationGcErmCommand::Start:
             return Controller_NPad::VibrationValue{
                 .amp_low = 1.0f,
                 .freq_low = 160.0f,
                 .amp_high = 1.0f,
                 .freq_high = 320.0f,
             };
-        case VibrationGcErmCommand::StopHard:
+        case Core::HID::VibrationGcErmCommand::StopHard:
             return Controller_NPad::VibrationValue{
                 .amp_low = 0.0f,
                 .freq_low = 0.0f,
@@ -1350,7 +1344,7 @@ void Hid::GetActualVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
 
     const auto gc_erm_command = [last_vibration] {
         if (last_vibration.amp_low != 0.0f || last_vibration.amp_high != 0.0f) {
-            return VibrationGcErmCommand::Start;
+            return Core::HID::VibrationGcErmCommand::Start;
         }
 
         /**
@@ -1360,10 +1354,10 @@ void Hid::GetActualVibrationGcErmCommand(Kernel::HLERequestContext& ctx) {
          * This is done to reuse the controller vibration functions made for regular controllers.
          */
         if (last_vibration.freq_low == 0.0f && last_vibration.freq_high == 0.0f) {
-            return VibrationGcErmCommand::StopHard;
+            return Core::HID::VibrationGcErmCommand::StopHard;
         }
 
-        return VibrationGcErmCommand::Stop;
+        return Core::HID::VibrationGcErmCommand::Stop;
     }();
 
     LOG_DEBUG(Service_HID,
@@ -2039,10 +2033,6 @@ public:
     }
 };
 
-void ReloadInputDevices() {
-    Settings::values.is_device_reload_pending.store(true);
-}
-
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system) {
     std::make_shared<Hid>(system)->InstallAsService(service_manager);
     std::make_shared<HidBus>(system)->InstallAsService(service_manager);

src/core/hle/service/hid/hid.h

@@ -161,38 +161,11 @@ private:
     void GetNpadCommunicationMode(Kernel::HLERequestContext& ctx);
     void SetTouchScreenConfiguration(Kernel::HLERequestContext& ctx);
 
-    enum class VibrationDeviceType : u32 {
-        Unknown = 0,
-        LinearResonantActuator = 1,
-        GcErm = 2,
-    };
-
-    enum class VibrationDevicePosition : u32 {
-        None = 0,
-        Left = 1,
-        Right = 2,
-    };
-
-    enum class VibrationGcErmCommand : u64 {
-        Stop = 0,
-        Start = 1,
-        StopHard = 2,
-    };
-
-    struct VibrationDeviceInfo {
-        VibrationDeviceType type{};
-        VibrationDevicePosition position{};
-    };
-    static_assert(sizeof(VibrationDeviceInfo) == 0x8, "VibrationDeviceInfo has incorrect size.");
-
     std::shared_ptr<IAppletResource> applet_resource;
 
     KernelHelpers::ServiceContext service_context;
 };
 
-/// Reload input devices. Used when input configuration changed
-void ReloadInputDevices();
-
 /// Registers all HID services with the specified service manager.
 void InstallInterfaces(SM::ServiceManager& service_manager, Core::System& system);
 

src/core/hle/service/hid/ring_lifo.h

@@ -0,0 +1,56 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included
+
+#pragma once
+
+#include <array>
+
+#include "common/common_types.h"
+#include "common/swap.h"
+
+namespace Service::HID {
+constexpr std::size_t max_buffer_size = 17;
+
+template <typename State>
+struct AtomicStorage {
+    s64 sampling_number;
+    State state;
+};
+
+template <typename State>
+struct Lifo {
+    s64 timestamp{};
+    s64 total_buffer_count = max_buffer_size;
+    s64 buffer_tail{};
+    s64 buffer_count{};
+    std::array<AtomicStorage<State>, max_buffer_size> entries{};
+
+    const AtomicStorage<State>& ReadCurrentEntry() const {
+        return entries[buffer_tail];
+    }
+
+    const AtomicStorage<State>& ReadPreviousEntry() const {
+        return entries[GetPreviousEntryIndex()];
+    }
+
+    std::size_t GetPreviousEntryIndex() const {
+        return (buffer_tail + total_buffer_count - 1) % total_buffer_count;
+    }
+
+    std::size_t GetNextEntryIndex() const {
+        return (buffer_tail + 1) % total_buffer_count;
+    }
+
+    void WriteNextEntry(const State& new_state) {
+        if (buffer_count < total_buffer_count - 1) {
+            buffer_count++;
+        }
+        buffer_tail = GetNextEntryIndex();
+        const auto& previous_entry = ReadPreviousEntry();
+        entries[buffer_tail].sampling_number = previous_entry.sampling_number + 1;
+        entries[buffer_tail].state = new_state;
+    }
+};
+
+} // namespace Service::HID