Initial C++ Input Implementation

This commit contains the C++ side of the initial Input implementation, this is based on the work done in the `hid` branch in `bylaws/skyline`.
Co-authored-by: ◱ PixelyIon <pixelyion@protonmail.com>

.idea/jarRepositories.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="MavenRepo" />
+      <option name="name" value="MavenRepo" />
+      <option name="url" value="https://repo.maven.apache.org/maven2/" />
+    </remote-repository>
+  </component>
+</project>

app/CMakeLists.txt

@@ -45,6 +45,8 @@ add_library(skyline SHARED
         ${source_DIR}/skyline/gpu/syncpoint.cpp
         ${source_DIR}/skyline/gpu/texture.cpp
         ${source_DIR}/skyline/gpu/engines/maxwell_3d.cpp
+        ${source_DIR}/skyline/input.cpp
+        ${source_DIR}/skyline/input/npad.cpp
         ${source_DIR}/skyline/os.cpp
         ${source_DIR}/skyline/loader/loader.cpp
         ${source_DIR}/skyline/loader/nro.cpp

app/src/main/cpp/emu_jni.cpp

@@ -7,6 +7,7 @@
 #include "skyline/common.h"
 #include "skyline/os.h"
 #include "skyline/jvm.h"
+#include "skyline/input.h"
 
 bool Halt;
 jobject Surface;
@@ -14,6 +15,7 @@ uint FaultCount;
 skyline::GroupMutex JniMtx;
 skyline::u16 fps;
 skyline::u32 frametime;
+skyline::input::Input *input;
 
 void signalHandler(int signal) {
     syslog(LOG_ERR, "Halting program due to signal: %s", strsignal(signal));
@@ -50,30 +52,33 @@ extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_executeApplication(
 
     try {
         skyline::kernel::OS os(jvmManager, logger, settings, std::string(appFilesPath));
+        input = os.state.input.get();
         env->ReleaseStringUTFChars(appFilesPathJstring, appFilesPath);
 
         auto romUri = env->GetStringUTFChars(romUriJstring, nullptr);
         logger->Info("Launching ROM {}", romUri);
         env->ReleaseStringUTFChars(romUriJstring, romUri);
+
         os.Execute(romFd, static_cast<skyline::loader::RomFormat>(romType));
     } catch (std::exception &e) {
         logger->Error(e.what());
     } catch (...) {
         logger->Error("An unknown exception has occurred");
     }
+
     logger->Info("Emulation has ended");
 
     auto end = std::chrono::steady_clock::now();
     logger->Info("Done in: {} ms", (std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count()));
 }
 
-extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setHalt(JNIEnv *env, jobject instance, jboolean halt) {
+extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setHalt(JNIEnv *, jobject, jboolean halt) {
     JniMtx.lock(skyline::GroupMutex::Group::Group2);
     Halt = halt;
     JniMtx.unlock();
 }
 
-extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setSurface(JNIEnv *env, jobject instance, jobject surface) {
+extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setSurface(JNIEnv *env, jobject, jobject surface) {
     JniMtx.lock(skyline::GroupMutex::Group::Group2);
     if (!env->IsSameObject(Surface, nullptr))
         env->DeleteGlobalRef(Surface);
@@ -84,10 +89,19 @@ extern "C" JNIEXPORT void Java_emu_skyline_EmulationActivity_setSurface(JNIEnv *
     JniMtx.unlock();
 }
 
-extern "C" JNIEXPORT jint Java_emu_skyline_EmulationActivity_getFps(JNIEnv *env, jobject thiz) {
+extern "C" JNIEXPORT jint Java_emu_skyline_EmulationActivity_getFps(JNIEnv *, jobject ) {
     return fps;
 }
 
-extern "C" JNIEXPORT jfloat Java_emu_skyline_EmulationActivity_getFrametime(JNIEnv *env, jobject thiz) {
+extern "C" JNIEXPORT jfloat Java_emu_skyline_EmulationActivity_getFrametime(JNIEnv *, jobject ) {
     return static_cast<float>(frametime) / 100;
 }
+
+extern "C" JNIEXPORT void JNICALL Java_emu_skyline_EmulationActivity_setButtonState(JNIEnv *, jobject, jlong id, jint state) {
+    skyline::input::npad::NpadButton button{.raw = static_cast<skyline::u64>(id)};
+    input->npad[0]->SetButtonState(button, static_cast<skyline::input::npad::NpadButtonState>(state));
+}
+
+extern "C" JNIEXPORT void JNICALL Java_emu_skyline_EmulationActivity_setAxisValue(JNIEnv *, jobject, jint id, jint value) {
+    input->npad[0]->SetAxisValue(static_cast<skyline::input::npad::NpadAxisId>(id), value);
+}

app/src/main/cpp/skyline/audio.h

@@ -31,13 +31,13 @@ namespace skyline::audio {
          * @param releaseCallback The callback to call when a buffer has been released
          * @return A shared pointer to a new AudioTrack object
          */
-        std::shared_ptr<AudioTrack> OpenTrack(u8 channelCount, u32 sampleRate, const std::function<void()> &releaseCallback);
+        std::shared_ptr<audio::AudioTrack> OpenTrack(u8 channelCount, u32 sampleRate, const std::function<void()> &releaseCallback);
 
         /**
          * @brief Closes a track and frees its data
          * @param track The track to close
          */
-        void CloseTrack(std::shared_ptr<AudioTrack> &track);
+        void CloseTrack(std::shared_ptr<audio::AudioTrack> &track);
 
         /**
          * @brief The callback oboe uses to get audio sample data

app/src/main/cpp/skyline/common.cpp

@@ -1,12 +1,13 @@
 // SPDX-License-Identifier: MPL-2.0
 // Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
 
+#include <tinyxml2.h>
 #include "common.h"
 #include "nce.h"
 #include "gpu.h"
 #include "audio.h"
-#include <kernel/types/KThread.h>
+#include "input.h"
-#include <tinyxml2.h>
+#include "kernel/types/KThread.h"
 
 namespace skyline {
     void Mutex::lock() {
@@ -154,6 +155,7 @@ namespace skyline {
         nce = std::make_shared<NCE>(*this);
         gpu = std::make_shared<gpu::GPU>(*this);
         audio = std::make_shared<audio::Audio>(*this);
+        input = std::make_shared<input::Input>(*this);
     }
 
     thread_local std::shared_ptr<kernel::type::KThread> DeviceState::thread = nullptr;

app/src/main/cpp/skyline/common.h

@@ -364,6 +364,9 @@ namespace skyline {
     namespace audio {
         class Audio;
     }
+    namespace input {
+        class Input;
+    }
     namespace loader {
         class Loader;
     }
@@ -381,6 +384,7 @@ namespace skyline {
         std::shared_ptr<NCE> nce; //!< This holds a reference to the NCE class
         std::shared_ptr<gpu::GPU> gpu; //!< This holds a reference to the GPU class
         std::shared_ptr<audio::Audio> audio; //!< This holds a reference to the Audio class
+        std::shared_ptr<input::Input> input; //!< This holds a reference to the Input class
         std::shared_ptr<loader::Loader> loader; //!< This holds a reference to the Loader class
         std::shared_ptr<JvmManager> jvm; //!< This holds a reference to the JvmManager class
         std::shared_ptr<Settings> settings; //!< This holds a reference to the Settings class

app/src/main/cpp/skyline/input.cpp

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#include "input.h"
+
+namespace skyline::input {
+    Input::Input(const DeviceState &state) : state(state), commonNpad(std::make_shared<npad::CommonNpad>(state)), hidKMem(std::make_shared<kernel::type::KSharedMemory>(state, NULL, sizeof(HidSharedMemory), memory::Permission(true, false, false))) {
+        hidMem = reinterpret_cast<HidSharedMemory *>(hidKMem->kernel.address);
+
+        for (uint i = 0; i < constant::NpadCount; i++) {
+            npad.at(i) = std::make_shared<npad::NpadDevice>(hidMem->npad.at(i), npad::IndexToNpadId(i));
+        }
+    }
+}

app/src/main/cpp/skyline/input.h

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#pragma once
+
+#include "common.h"
+#include "kernel/types/KSharedMemory.h"
+#include "input/common.h"
+
+namespace skyline::input {
+    /**
+     * @brief The Input class manages input devices
+     */
+    class Input {
+      private:
+        const DeviceState &state; //!< The state of the device
+
+      public:
+        Input(const DeviceState &state);
+
+        std::shared_ptr<npad::CommonNpad> commonNpad; //!< The common npad device
+        std::array<std::shared_ptr<npad::NpadDevice>, constant::NpadCount> npad; //!< Array of npad devices
+
+        std::shared_ptr<kernel::type::KSharedMemory> hidKMem; //!< The shared memory reserved for HID input
+        HidSharedMemory *hidMem; //!< A pointer to the root of HID shared memory
+    };
+}

app/src/main/cpp/skyline/input/common.h

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#pragma once
+
+#include "npad.h"
+
+namespace skyline::input {
+    /**
+     * @brief Encapsulates hid shared memory
+     */
+    struct HidSharedMemory {
+        DebugPadSection debugPad; //!< The debug pad section
+        TouchScreenSection touchScreen; //!< The touch screen section
+        MouseSection mouse; //!< The mouse section
+        KeyboardSection keyboard; //!< The keyboard section
+        std::array<BasicXpadSection, 4> xpad; //!< The xpads section
+        HomeButtonSection homeButton; //!< The home button section
+        SleepButtonSection sleepButton; //!< The sleep button section
+        CaptureButtonSection captureButton; //!< The capture button section
+        std::array<InputDetectorSection, 16> inputDetector; //!< The input detectors section
+        u64 _pad0_[0x80 * 0x10]; //!< Unique pad (<5.0.0)
+        std::array<npad::NpadSection, constant::NpadCount> npad; //!< The npads section
+        GestureSection gesture; //!< The gesture section
+        ConsoleSixAxisSensorSection consoleSixAxisSensor; //!< The gyro/accel section
+        u64 _pad1_[0x7BC];
+    };
+    static_assert(sizeof(HidSharedMemory) == 0x40000);
+}

app/src/main/cpp/skyline/input/npad.cpp

@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#include <input.h>
+#include "npad.h"
+
+namespace skyline::input::npad {
+    u32 NpadIdToIndex(NpadId id) {
+        switch (id) {
+            case NpadId::Unknown:
+                return 8;
+            case NpadId::Handheld:
+                return 9;
+            default:
+                return static_cast<u32>(id);
+        }
+    }
+
+    NpadId IndexToNpadId(u32 index) {
+        switch (index) {
+            case 8:
+                return NpadId::Unknown;
+            case 9:
+                return NpadId::Handheld;
+            default:
+                return static_cast<NpadId>(index);
+        }
+    }
+
+    NpadDevice::NpadDevice(NpadSection &shmemSection, NpadId id) : shmemSection(shmemSection), id(id) {}
+
+    void NpadDevice::Disconnect() {
+        connectionState.connected = false;
+    }
+
+    void NpadDevice::Connect(NpadControllerType type) {
+        shmemSection.header.styles.raw = 0;
+        shmemSection.deviceType.raw = 0;
+        shmemSection.properties.raw = 0;
+
+        connectionState.raw = 0;
+        connectionState.connected = true;
+
+        switch (type) {
+            case NpadControllerType::Handheld:
+                shmemSection.header.styles.joyconHandheld = true;
+                shmemSection.deviceType.handheld = true;
+                shmemSection.deviceType.handheldLeft = true;
+                shmemSection.deviceType.handheldRight = true;
+                shmemSection.header.assignment = NpadJoyAssignment::Dual;
+                shmemSection.properties.ABXYButtonOriented = true;
+                shmemSection.properties.plusButtonCapability = true;
+                shmemSection.properties.minusButtonCapability = true;
+
+                connectionState.handheld = true;
+                connectionState.leftJoyconConnected = true;
+                connectionState.rightJoyconConnected = true;
+                connectionState.leftJoyconHandheld = true;
+                connectionState.rightJoyconHandheld = true;
+                break;
+            case NpadControllerType::ProController:
+                shmemSection.header.styles.proController = true;
+                shmemSection.deviceType.fullKey = true;
+                shmemSection.deviceType.joyconRight = true;
+                shmemSection.header.assignment = NpadJoyAssignment::Single;
+                shmemSection.properties.ABXYButtonOriented = true;
+                shmemSection.properties.plusButtonCapability = true;
+                shmemSection.properties.minusButtonCapability = true;
+                break;
+            default:
+                throw exception("Unsupported controller type: {}", type);
+        }
+
+        controllerType = type;
+
+        shmemSection.header.singleColourStatus = NpadColourReadStatus::Success;
+        shmemSection.header.singleColour = {0, 0};
+
+        shmemSection.header.dualColourStatus = NpadColourReadStatus::Success;
+        shmemSection.header.leftColour = {0, 0}; //TODO: make these configurable
+        shmemSection.header.rightColour = {0, 0};
+
+        shmemSection.batteryLevel[0] = constant::NpadBatteryFull;
+        shmemSection.batteryLevel[1] = constant::NpadBatteryFull;
+        shmemSection.batteryLevel[2] = constant::NpadBatteryFull;
+
+        // Set controllers initial state
+        SetButtonState(NpadButton{}, NpadButtonState::Released);
+
+        //TODO: signal npad event
+    }
+
+    NpadControllerInfo &NpadDevice::GetControllerDeviceInfo() {
+        switch (controllerType) {
+            case NpadControllerType::Handheld:
+                return shmemSection.handheldController;
+            case NpadControllerType::ProController:
+            default:
+                return shmemSection.fullKeyController;
+        }
+    }
+
+    void NpadDevice::UpdateHeaders(NpadControllerInfo &controller, uint lastStateEntryIndex) {
+        controller.header.entryCount = constant::HidEntryCount;
+        controller.header.maxEntry = constant::HidEntryCount - 1;
+        controller.header.currentEntry = stateEntryIndex;
+        controller.header.timestamp = util::GetTimeNs();
+
+        memcpy(reinterpret_cast<void *>(&controller.state.at(stateEntryIndex)), reinterpret_cast<void *>(&controller.state.at(lastStateEntryIndex)), sizeof(NpadControllerState));
+
+        controller.state.at(stateEntryIndex).globalTimestamp++;
+        controller.state.at(stateEntryIndex).localTimestamp++;
+        controller.state.at(stateEntryIndex).status.raw = connectionState.raw;
+    }
+
+    void NpadDevice::SetButtonState(NpadButton button, NpadButtonState state) {
+        NpadControllerInfo &controllerDeviceInfo = GetControllerDeviceInfo();
+        uint lastStateEntryIndex = stateEntryIndex;
+        stateEntryIndex = (stateEntryIndex + 1) % constant::HidEntryCount;
+
+        for (NpadControllerInfo &controllerInfo : {std::ref(controllerDeviceInfo), std::ref(shmemSection.systemExtController)}) {
+            UpdateHeaders(controllerInfo, lastStateEntryIndex);
+
+            if (state == NpadButtonState::Pressed)
+                controllerInfo.state.at(stateEntryIndex).controller.buttons.raw |= button.raw;
+            else
+                controllerInfo.state.at(stateEntryIndex).controller.buttons.raw &= ~(button.raw);
+        }
+    }
+
+    void NpadDevice::SetAxisValue(NpadAxisId axis, int value) {
+        NpadControllerInfo controllerDeviceInfo = GetControllerDeviceInfo();
+        uint lastStateEntryIndex = stateEntryIndex;
+        stateEntryIndex = (stateEntryIndex + 1) % constant::HidEntryCount;
+
+        for (NpadControllerInfo &controllerInfo : {std::ref(controllerDeviceInfo), std::ref(shmemSection.systemExtController)}) {
+            UpdateHeaders(controllerInfo, lastStateEntryIndex);
+
+            switch (axis) {
+                case NpadAxisId::LX:
+                    controllerInfo.state.at(stateEntryIndex).controller.leftX = value;
+                    break;
+                case NpadAxisId::LY:
+                    controllerInfo.state.at(stateEntryIndex).controller.leftY = -value; // Invert Y axis
+                    break;
+                case NpadAxisId::RX:
+                    controllerInfo.state.at(stateEntryIndex).controller.rightX = value;
+                    break;
+                case NpadAxisId::RY:
+                    controllerInfo.state.at(stateEntryIndex).controller.rightY = -value; // Invert Y axis
+                    break;
+            }
+        }
+    }
+
+    CommonNpad::CommonNpad(const DeviceState &state) : state(state) {}
+
+    void CommonNpad::Activate() {
+        // Always mark controllers we support as supported
+        if (supportedStyles.raw == 0) {
+            supportedStyles.proController = true;
+            supportedStyles.joyconHandheld = true;
+        }
+
+        for (uint i = 0; i < constant::NpadCount; i++) {
+            bool shouldConnect = (i == 0); // P1
+
+            //TODO: Read this as well as controller type from settings based off of NpadID
+            if (shouldConnect) {
+                if (state.settings->GetBool("operation_mode"))
+                    state.input->npad.at(i)->Connect(NpadControllerType::Handheld);
+                else
+                    state.input->npad.at(i)->Connect(NpadControllerType::ProController);
+            }
+        }
+    }
+}

app/src/main/cpp/skyline/input/npad.h

@@ -0,0 +1,397 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#pragma once
+
+#include "shared_mem.h"
+
+namespace skyline {
+    namespace constant {
+        constexpr u32 NpadBatteryFull = 2; //!< The full battery state of an npad
+        constexpr u8 NpadCount = 10; //!< The number of npads in shared memory
+    }
+
+    namespace input::npad {
+        union NpadButton {
+            struct {
+                bool a : 1; //!< The A button
+                bool b : 1; //!< The B button
+                bool x : 1; //!< The X button
+                bool y : 1; //!< The Y button
+                bool l3 : 1; //!< The L3 button
+                bool r3 : 1; //!< The R3 button
+                bool l : 1; //!< The L trigger
+                bool r : 1; //!< The R button
+                bool zl : 1; //!< The ZL trigger
+                bool zr : 1; //!< The ZR trigger
+                bool plus : 1; //!< The + button
+                bool minus : 1; //!< The - button
+                bool dpadLeft : 1; //!< D-Pad left
+                bool dpadUp : 1; //!< D-Pad up
+                bool dpadRight : 1; //!< D-Pad right
+                bool dpadDown : 1; //!< D-Pad down
+                bool leftStickLeft : 1; //!< Left stick left
+                bool leftStickUp : 1; //!< Left stick up
+                bool leftStickRight : 1; //!< Left stick right
+                bool leftStickDown : 1; //!< Left stick down
+                bool rightStickLeft : 1; //!< Right stick left
+                bool rightStickUp : 1; //!< Right stick up
+                bool rightStickRight : 1; //!< Right stick right
+                bool rightStickDown : 1; //!< Right stick down
+                bool leftSL : 1; //!< Left Joy-Con SL button
+                bool leftSr : 1; //!< Left Joy-Con SR button
+                bool rightSl : 1; //!< Right Joy-Con SL button
+                bool rightSr : 1; //!< Right Joy-Con SR button
+                bool touch : 1; //!< The touch button
+            };
+            u64 raw;
+        };
+        static_assert(sizeof(NpadButton) == 0x8);
+
+        enum class NpadAxisId {
+            RX, //!< Right stick X
+            RY, //!< Right stick Y
+            LX, //!< Left stick X
+            LY //!< Left stick Y
+        };
+
+        enum class NpadButtonState : bool {
+            Released = false, //!< Released button
+            Pressed = true //!< Pressed button
+        };
+
+        /**
+        * @brief This holds the controller styles supported
+        */
+        union NpadStyleSet {
+            struct {
+                bool proController : 1; //!< The Pro Controller
+                bool joyconHandheld : 1; //!< Joy-Cons in handheld mode
+                bool joyconDual : 1; //!< Joy-Cons in a pair
+                bool joyconLeft : 1; //!< Left Joy-Con only
+                bool joyconRight : 1; //!< Right Joy-Con only
+                bool gamecube : 1; //!< GameCube controller
+                bool palma : 1;  //!< Poké Ball Plus controller
+                bool nes : 1; //!< NES controller
+                bool nesHandheld : 1; //!< NES controller in handheld mode
+                bool snes : 1; //!< SNES controller
+            };
+            u32 raw;
+        };
+        static_assert(sizeof(NpadStyleSet) == 0x4);
+
+        /**
+        * @brief This holds a Controller's ID (https://switchbrew.org/wiki/HID_services#NpadIdType)
+        */
+        enum class NpadId : u32 {
+            Player1 = 0x0, //!< 1st Player
+            Player2 = 0x1, //!< 2nd Player
+            Player3 = 0x2, //!< 3rd Player
+            Player4 = 0x3, //!< 4th Player
+            Player5 = 0x4, //!< 5th Player
+            Player6 = 0x5, //!< 6th Player
+            Player7 = 0x6, //!< 7th Player
+            Player8 = 0x7, //!< 8th Player
+            Unknown = 0x10, //!< Unknown
+            Handheld = 0x20 //!< Handheld mode
+        };
+
+        /**
+        * @brief This denotes the orientation of the Joy-Con(s)
+        */
+        enum class NpadJoyOrientation : u64 {
+            Vertical = 0, //!< The Joy-Con is held vertically
+            Horizontal = 1, //!< The Joy-Con is held horizontally
+            Unset = 2 //!< Not set
+        };
+
+        /**
+        * @brief This denotes the assignment of the Joy-Con(s)
+        */
+        enum class NpadJoyAssignment : u32 {
+            Dual = 0, //!< Dual Joy-Cons
+            Single = 1, //!< Single Joy-Con
+            Unset = 2 //!< Not set
+        };
+
+        /**
+        * @brief This denotes the colour read status of an npad
+        */
+        enum class NpadColourReadStatus : u32 {
+            Success = 0, //!< Success
+            Invalid = 1, //!< Invalid color
+            Disconnected = 2 //!< Controller not connected
+        };
+
+        /**
+        * @brief This denotes the type of an npad
+        */
+        enum class NpadControllerType {
+            None, //!< Nothing
+            ProController, //!< A Pro Controller
+            Handheld, //!< Handheld mode
+            JoyconDual, //!< Dual Joy-Cons
+            JoyconLeft, //!< Left Joy-Con
+            JoyconRight, //!< Right Joy-Con
+            Palma, //!< Poké Ball Plus
+        };
+
+        /**
+        * @brief This denotes the connection state of an npad
+        */
+        union NpadConnectionState {
+            struct {
+                bool connected : 1; //!< Is connected
+                bool handheld : 1; //!< Is in handheld mode
+                bool leftJoyconConnected : 1; //!< Is the left Joy-Con connected
+                bool leftJoyconHandheld : 1; //!< Is the left Joy-Con handheld
+                bool rightJoyconConnected : 1; //!< Is the right Joy-Con connected
+                bool rightJoyconHandheld : 1; //!< Is the right Joy-Con handheld
+            };
+            u64 raw;
+        };
+        static_assert(sizeof(NpadConnectionState) == 0x8);
+
+        /**
+        * @brief This denotes the device type of an npad
+        */
+        union NpadDeviceType {
+            struct {
+                bool fullKey : 1; //!< Pro/GC controller
+                bool handheld : 1; //!< Handheld mode
+                bool handheldLeft : 1; //!< Joy-Con/Famicom/NES left controller
+                bool handheldRight : 1; //!< Joy-Con/Famicom/NES right controller
+                bool joyconLeft : 1; //!< Left Joy-Con
+                bool joyconRight : 1; //!< Right Joy-Con
+                bool palma : 1; //!< Pokeball Plus controller
+                bool larkLeftFamicom : 1; //!< Famicom left Joy-Con
+                bool larkRightFamicom : 1;//!< Famicom right Joy-Con
+                bool larkLeftNES : 1; //!< NES left Joy-Con
+                bool larkRightNES : 1; //!< NES right Joy-Con
+                u32 _unk1_ : 4;
+                bool systemExt : 1; //!< Generic external controller
+                u32 _unk2_ : 14;
+                bool system : 1; //!< Generic controller
+            };
+            u32 raw;
+        };
+        static_assert(sizeof(NpadDeviceType) == 0x4);
+
+        /**
+        * @brief This denotes the system properties of the npad
+        */
+        union NpadSystemProperties {
+            struct {
+                bool powerInfo0Charging : 1; //!< Info 0 Charging
+                bool powerInfo1Charging : 1; //!< Info 1 Charging
+                bool powerInfo2Charging : 1; //!< Info 2 Charging
+                bool powerInfo0PowerConnected : 1; //!< Info 0 Connected
+                bool powerInfo1PowerConnected : 1; //!< Info 1 Connected
+                bool powerInfo2PowerConnected : 1; //!< Info 2 Connected
+                u64 _unk_ : 3;
+                bool unsupportedButtonPressedSystem : 1; //!< Unsupported buttons are pressed on system controller
+                bool unsupportedButtonPressedSystemExt : 1; //!< Unsupported buttons are pressed on system external controller
+                bool ABXYButtonOriented : 1; //!< Are the ABXY Buttons oriented
+                bool SLSRuttonOriented : 1; //!< Are the SLSR Buttons oriented
+                bool plusButtonCapability : 1; //!< Does the + button exist
+                bool minusButtonCapability : 1; //!< Does the - button exist
+                bool directionalButtonsSupported : 1; //!< Does the controller have a D-Pad
+            };
+            u64 raw;
+        };
+        static_assert(sizeof(NpadSystemProperties) == 0x8);
+
+        /**
+        * @brief This denotes the system button properties of the npad
+        */
+        union NpadSystemButtonProperties {
+            struct {
+                bool unintendedHomeButtonInputProtectionEnabled : 1; //!< Is unintended home button input protection enabled
+            };
+            u32 raw;
+        };
+        static_assert(sizeof(NpadSystemButtonProperties) == 0x4);
+
+        /**
+        * @brief This denotes the colour of an npad
+        */
+        struct NpadColour {
+            u32 bodyColour; //!< The body colour
+            u32 buttonColour; //!< The button colour
+        };
+        static_assert(sizeof(NpadColour) == 0x8);
+
+        /**
+        * @brief This is the header of an npad entry
+        */
+        struct NpadHeader {
+            NpadStyleSet styles; //!< The style set
+            NpadJoyAssignment assignment; //!< The pad assignment
+
+            NpadColourReadStatus singleColourStatus; //!< The single colour status
+            NpadColour singleColour; //!< The colours
+
+            NpadColourReadStatus dualColourStatus; //!< The dual colour status
+            NpadColour rightColour; //!< The right colours
+            NpadColour leftColour; //!< The left colours
+        };
+        static_assert(sizeof(NpadHeader) == 0x28);
+
+        /**
+        * @brief This contains controller input data
+        */
+        struct NpadController {
+            NpadButton buttons; //!< The pressed buttons
+
+            u32 leftX; //!< The left stick X
+            u32 leftY; //!< The left stick Y
+
+            u32 rightX; //!< The right stick X
+            u32 rightY; //!< The right stick Y
+        };
+        static_assert(sizeof(NpadController) == 0x18);
+
+        /**
+        * @brief This contains info about controller input data
+        */
+        struct NpadControllerState {
+            u64 globalTimestamp; //!< The global timestamp
+            u64 localTimestamp; //!< The local timestamp
+            NpadController controller; //!< The npad controller
+            NpadConnectionState status; //!< The npad connection status
+        };
+        static_assert(sizeof(NpadControllerState) == 0x30);
+
+        /**
+        * @brief This contains all the input states
+        */
+        struct NpadControllerInfo {
+            CommonHeader header; //!< The common data header
+            std::array<NpadControllerState, 17> state; //!< The npad state
+        };
+        static_assert(sizeof(NpadControllerInfo) == 0x350);
+
+        /**
+        * @brief An npad section in shared memory
+        */
+        struct NpadSection {
+            NpadHeader header; //!< The npad header
+
+            NpadControllerInfo fullKeyController; //!< The full key controller
+            NpadControllerInfo handheldController; //!< The handheld controller
+            NpadControllerInfo dualController; //!< The dual Joy-Con controller
+            NpadControllerInfo leftController; //!< The left Joy-Con controller
+            NpadControllerInfo rightController; //!< The right Joy-Con controller
+            NpadControllerInfo pokeballController; //!< The Pokeball Plus controller
+            NpadControllerInfo systemExtController; //!< The system external controller
+
+            u64 _unk_[0xE1 * 6]; //!< Unused sixaxis data
+
+            NpadDeviceType deviceType; //!< The device type
+
+            u32 _pad0_;
+
+            NpadSystemProperties properties; //!< The system properties
+            NpadSystemButtonProperties buttonProperties; //!< The button properties
+
+            u32 batteryLevel[3]; //!< The battery level reported
+
+            u32 _pad1_[0x395];
+        };
+        static_assert(sizeof(NpadSection) == 0x5000);
+
+        /**
+        * @brief Converts the ID of an npad to the index in shared memory
+        * @param id The ID of an npad
+        * @return The index in shared memory
+        */
+        u32 NpadIdToIndex(NpadId id);
+
+        /**
+        * @brief Converts the index in shared memory to the ID of an npad
+        * @param id The index in shared memory
+        * @return The ID of the npad
+        */
+        NpadId IndexToNpadId(u32 index);
+
+        class NpadDevice {
+          private:
+            NpadId id; //!< The ID of the npad
+            NpadControllerType controllerType{NpadControllerType::None}; //!< The type of controller
+            uint stateEntryIndex{}; //!< The index of the current state entry
+
+            NpadConnectionState connectionState{}; //!< The state of the connection
+            NpadSection &shmemSection; //!< The section in HID shared memory for this controller
+
+            /**
+            * @brief Updates headers for a new shared memory entry
+            * @param controller The controller to operate on
+            * @param lastStateEntryIndex The index of the previous state entry
+            */
+            void UpdateHeaders(NpadControllerInfo &controller, uint lastStateEntryIndex);
+
+            /**
+            * @return The controller device info appropriate for the controllers type
+            */
+            NpadControllerInfo &GetControllerDeviceInfo();
+
+          public:
+            bool supported{false}; //!< If the npad marked as supported
+
+            /**
+            * @param shmemSection A reference to the controllers shared memory region
+            * @param id The ID of the npad
+            */
+            NpadDevice(NpadSection &shmemSection, NpadId id);
+
+            /**
+            * @brief Sets the joycon assignment in shared memory
+            * @param assignment The assignment to set
+            */
+            inline void SetAssignment(NpadJoyAssignment assignment) {
+                shmemSection.header.assignment = assignment;
+            }
+
+            /**
+            * @brief Connects a controller to the guest
+            * @param type The type of controller to connect
+            */
+            void Connect(NpadControllerType type);
+
+            /**
+            * @brief Disconnects the controller from the guest
+            */
+            void Disconnect();
+
+            /**
+            * @brief Changes a button's state on the virtual controller
+            * @param button The button work on
+            * @param state Whether to release or press the button
+            */
+            void SetButtonState(NpadButton button, NpadButtonState state);
+
+            /**
+            * @brief Sets an axis to a value on the virtual controller
+            * @param axis The axis to change
+            * @param value The value to use
+            */
+            void SetAxisValue(NpadAxisId axis, int value);
+        };
+
+        class CommonNpad {
+          private:
+            const DeviceState &state; //!< The state of the device
+
+          public:
+            NpadStyleSet supportedStyles{}; //!< The supported style sets
+            NpadJoyOrientation orientation{NpadJoyOrientation::Unset}; //!< The Joy-Con orientation to use
+
+            CommonNpad(const DeviceState &state);
+
+            /**
+            * @brief Activates npad support
+            */
+            void Activate();
+        };
+    }
+}

app/src/main/cpp/skyline/input/shared_mem.h

@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: MPL-2.0
+// Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
+
+#pragma once
+
+#include <array>
+#include <common.h>
+
+namespace skyline {
+    namespace constant {
+        constexpr u8 HidEntryCount = 17; //!< The amount of state entries in each hid device
+    }
+
+    namespace input {
+        struct CommonHeader {
+            u64 timestamp;
+            u64 entryCount;
+            u64 currentEntry;
+            u64 maxEntry;
+        };
+        static_assert(sizeof(CommonHeader) == 0x20);
+
+
+
+        struct DebugPadState {
+            u64 timestamp;
+            u8 _unk_[0x20];
+        };
+        static_assert(sizeof(DebugPadState) == 0x28);
+
+        struct DebugPadSection {
+            CommonHeader header;
+            std::array<DebugPadState, constant::HidEntryCount> state;
+            u64 _pad_[0x27];
+        };
+        static_assert(sizeof(DebugPadSection) == 0x400);
+
+
+
+        struct TouchScreenStateData {
+            u64 timestamp;
+            u32 _pad0_;
+
+            u32 index;
+
+            u32 positionX;
+            u32 positionY;
+
+            u32 diameterX;
+            u32 diameterY;
+
+            u32 angle;
+            u32 _pad1_;
+        };
+        static_assert(sizeof(TouchScreenStateData) == 0x28);
+
+        struct TouchScreenState {
+            u64 globalTimestamp;
+            u64 localTimestamp;
+
+            u64 touchCount;
+            std::array<TouchScreenStateData, 16> data;
+        };
+        static_assert(sizeof(TouchScreenState) == 0x298);
+
+        struct TouchScreenSection {
+            CommonHeader header;
+            std::array<TouchScreenState, constant::HidEntryCount> state;
+            u64 _pad_[0x79];
+
+        };
+        static_assert(sizeof(TouchScreenSection) == 0x3000);
+
+
+
+        struct MouseState {
+            u64 globalTimestamp;
+            u64 localTimestamp;
+
+            u32 positionX;
+            u32 positionY;
+
+            u32 changeX;
+            u32 changeY;
+
+            u32 scrollChangeY;
+            u32 scrollChangeX;
+
+            u64 buttons;
+        };
+        static_assert(sizeof(MouseState) == 0x30);
+
+        struct MouseSection {
+            CommonHeader header;
+            std::array<MouseState, constant::HidEntryCount> state;
+            u64 _pad_[22];
+        };
+        static_assert(sizeof(MouseSection) == 0x400);
+
+
+
+        struct KeyboardState {
+            u64 globalTimestamp;
+            u64 localTimestamp;
+
+            u64 modifers;
+            u64 keysDown[4];
+        };
+        static_assert(sizeof(KeyboardState) == 0x38);
+
+        struct KeyboardSection {
+            CommonHeader header;
+            std::array<KeyboardState, constant::HidEntryCount> state;
+            u64 _pad_[5];
+        };
+        static_assert(sizeof(KeyboardSection) == 0x400);
+
+
+
+        struct BasicXpadState {
+            u64 globalTimestamp;
+            u64 _unk_[4];
+        };
+        static_assert(sizeof(BasicXpadState) == 0x28);
+
+        struct BasicXpadSection {
+            CommonHeader header;
+            std::array<BasicXpadState, constant::HidEntryCount> state;
+            u64 _pad_[39];
+        };
+        static_assert(sizeof(BasicXpadSection) == 0x400);
+
+
+
+        struct HomeButtonState {
+            u64 globalTimestamp;
+            u64 _unk_[2];
+        };
+        static_assert(sizeof(HomeButtonState) == 0x18);
+
+        struct HomeButtonSection {
+            CommonHeader header;
+            std::array<HomeButtonState, constant::HidEntryCount> state;
+            u64 _pad_[9];
+        };
+        static_assert(sizeof(HomeButtonSection) == 0x200);
+
+
+
+        struct SleepButtonState {
+            u64 globalTimestamp;
+            u64 _unk_[2];
+        };
+        static_assert(sizeof(SleepButtonState) == 0x18);
+
+        struct SleepButtonSection {
+            CommonHeader header;
+            std::array<SleepButtonState, constant::HidEntryCount> state;
+            u64 _pad_[9];
+        };
+        static_assert(sizeof(SleepButtonSection) == 0x200);
+
+
+
+        struct CaptureButtonState {
+            u64 globalTimestamp;
+            u64 _unk_[2];
+        };
+        static_assert(sizeof(CaptureButtonState) == 0x18);
+
+        struct CaptureButtonSection {
+            CommonHeader header;
+            std::array<CaptureButtonState, constant::HidEntryCount> state;
+            u64 _pad_[9];
+        };
+        static_assert(sizeof(CaptureButtonSection) == 0x200);
+
+
+        struct InputDetectorState {
+            u64 globalTimestamp;
+            u64 _unk_[2];
+        };
+        static_assert(sizeof(InputDetectorState) == 0x18);
+
+        struct InputDetectorSection {
+            CommonHeader header;
+            std::array<InputDetectorState, 2> state;
+            u64 _pad_[6];
+        };
+        static_assert(sizeof(InputDetectorSection) == 0x80);
+
+
+        struct GestureState {
+            u64 globalTimestamp;
+            u64 _unk_[12];
+        };
+        static_assert(sizeof(GestureState) == 0x68);
+
+        struct GestureSection {
+            CommonHeader header;
+            std::array<GestureState, constant::HidEntryCount> state;
+            u64 _pad_[31];
+        };
+        static_assert(sizeof(GestureSection) == 0x800);
+
+        struct ConsoleSixAxisSensorSection {
+            u64 timestamp;
+            bool resting : 1;
+            u32 _pad0_ : 3;
+            u32 verticalizationError;
+            u32 gyroBias[3];
+            u32 _pad1_;
+        };
+        static_assert(sizeof(ConsoleSixAxisSensorSection) == 0x20);
+    }
+}

app/src/main/cpp/skyline/jvm.h

@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <common.h>
+#include "common.h"
 #include <jni.h>
 
 namespace skyline {

app/src/main/cpp/skyline/os.h

@@ -18,10 +18,8 @@ namespace skyline::kernel {
      * @brief The OS class manages the interaction between Skyline components and the underlying OS in NCE
      */
     class OS {
-      private:
-        DeviceState state; //!< The state of the device
-
       public:
+        DeviceState state; //!< The state of the device
         std::shared_ptr<type::KProcess> process; //!< The KProcess object for the emulator, representing the guest process
         service::ServiceManager serviceManager; //!< This manages all of the service functions
         MemoryManager memory; //!< The MemoryManager object for this process

app/src/main/cpp/skyline/services/hid/IHidServer.cpp

@@ -1,8 +1,11 @@
 // SPDX-License-Identifier: MPL-2.0
 // Copyright © 2020 Skyline Team and Contributors (https://github.com/skyline-emu/)
 
+#include <input.h>
 #include "IHidServer.h"
 
+using namespace skyline::input;
+
 namespace skyline::service::hid {
     IHidServer::IHidServer(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::hid_IHidServer, "hid:IHidServer", {
         {0x0, SFUNC(IHidServer::CreateAppletResource)},
@@ -13,50 +16,53 @@ namespace skyline::service::hid {
         {0x7A, SFUNC(IHidServer::SetNpadJoyAssignmentModeSingleByDefault)},
         {0x7B, SFUNC(IHidServer::SetNpadJoyAssignmentModeSingle)},
         {0x7C, SFUNC(IHidServer::SetNpadJoyAssignmentModeDual)}
-    }) {}
+    }) {
+        state.input->commonNpad->Activate();
+    }
 
     void IHidServer::CreateAppletResource(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
-        resource = std::make_shared<IAppletResource>(state, manager);
+        manager.RegisterService(SRVREG(IAppletResource), session, response);
-        manager.RegisterService(resource, session, response);
     }
 
     void IHidServer::SetSupportedNpadStyleSet(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
-        auto styleSet = request.Pop<StyleSet>();
+        auto styleSet = request.Pop<npad::NpadStyleSet>();
+
         state.logger->Debug("Controller Support:\nPro-Controller: {}\nJoy-Con: Handheld: {}, Dual: {}, L: {}, R: {}\nGameCube: {}\nPokeBall: {}\nNES: {}, NES Handheld: {}, SNES: {}", static_cast<bool>(styleSet.proController), static_cast<bool>(styleSet.joyconHandheld), static_cast<bool>(styleSet.joyconDual), static_cast<bool>(styleSet.joyconLeft), static_cast<bool>
-        (styleSet.joyconRight), static_cast<bool>(styleSet.gamecube), static_cast<bool>(styleSet.pokeball), static_cast<bool>(styleSet.nes), static_cast<bool>(styleSet.nesHandheld), static_cast<bool>(styleSet.snes));
+        (styleSet.joyconRight), static_cast<bool>(styleSet.gamecube), static_cast<bool>(styleSet.palma), static_cast<bool>(styleSet.nes), static_cast<bool>(styleSet.nesHandheld), static_cast<bool>(styleSet.snes));
     }
 
     void IHidServer::SetSupportedNpadIdType(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
         const auto &buffer = request.inputBuf.at(0);
-        size_t numId = buffer.size / sizeof(NpadId);
+        size_t numId = buffer.size / sizeof(npad::NpadId);
         u64 address = buffer.address;
 
         for (size_t i = 0; i < numId; i++) {
-            auto id = state.process->GetObject<NpadId>(address);
+            auto id = state.process->GetObject<npad::NpadId>(address);
-            deviceMap[id] = JoyConDevice(id);
+            state.input->npad.at(NpadIdToIndex(id))->supported = true;
-            address += sizeof(NpadId);
+
+            address += sizeof(npad::NpadId);
         }
     }
 
     void IHidServer::ActivateNpad(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {}
 
     void IHidServer::SetNpadJoyHoldType(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
-        deviceMap[request.Pop<NpadId>()].assignment = JoyConAssignment::Single;
+        auto appletResourceUID = request.Pop<u64>();
+        state.input->commonNpad->orientation = request.Pop<npad::NpadJoyOrientation>();
     }
 
     void IHidServer::SetNpadJoyAssignmentModeSingleByDefault(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
-        orientation = request.Pop<JoyConOrientation>();
+        auto id = request.Pop<npad::NpadId>();
+        state.input->npad.at(npad::NpadIdToIndex(id))->SetAssignment(npad::NpadJoyAssignment::Single);
     }
 
     void IHidServer::SetNpadJoyAssignmentModeSingle(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
-        auto controllerId = request.Pop<NpadId>();
+        auto id = request.Pop<npad::NpadId>();
-        auto appletUserId = request.Pop<u64>();
+        state.input->npad.at(npad::NpadIdToIndex(id))->SetAssignment(npad::NpadJoyAssignment::Single);
-
-        deviceMap[controllerId].assignment = JoyConAssignment::Single;
-        deviceMap[controllerId].side = request.Pop<JoyConSide>();
     }
 
     void IHidServer::SetNpadJoyAssignmentModeDual(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
-        deviceMap[request.Pop<NpadId>()].assignment = JoyConAssignment::Dual;
+        auto id = request.Pop<npad::NpadId>();
+        state.input->npad.at(npad::NpadIdToIndex(id))->SetAssignment(npad::NpadJoyAssignment::Dual);
     }
 }

app/src/main/cpp/skyline/services/hid/IHidServer.h

@@ -12,88 +12,6 @@ namespace skyline::service::hid {
      * @brief IHidServer or hid service is used to access input devices (https://switchbrew.org/wiki/HID_services#hid)
      */
     class IHidServer : public BaseService {
-      private:
-        /**
-         * @brief This holds the controller styles supported by an application
-         */
-        struct StyleSet {
-            bool proController : 1; //!< The Pro Controller
-            bool joyconHandheld : 1; //!< Joy-Cons in handheld mode
-            bool joyconDual : 1; //!< Joy-Cons in a pair
-            bool joyconLeft : 1; //!< Left Joy-Con only
-            bool joyconRight : 1; //!< Right Joy-Con only
-            bool gamecube : 1; //!< GameCube controller
-            bool pokeball : 1;  //!< Poké Ball Plus controller
-            bool nes : 1; //!< NES controller
-            bool nesHandheld : 1; //!< NES controller in handheld mode
-            bool snes : 1; //!< SNES controller
-            u32 _pad0_ : 22;
-        };
-        static_assert(sizeof(StyleSet) == 4);
-
-        /**
-         * @brief This holds a Controller's ID (https://switchbrew.org/wiki/HID_services#NpadIdType)
-         */
-        enum class NpadId : u32 {
-            Player1 = 0x0, //!< 1st Player
-            Player2 = 0x1, //!< 2nd Player
-            Player3 = 0x2, //!< 3rd Player
-            Player4 = 0x3, //!< 4th Player
-            Player5 = 0x4, //!< 5th Player
-            Player6 = 0x5, //!< 6th Player
-            Player7 = 0x6, //!< 7th Player
-            Player8 = 0x7, //!< 8th Player
-            Unknown = 0x10, //!< Unknown
-            Handheld = 0x20 //!< Handheld mode
-        };
-
-        /**
-         * @brief This holds a Controller's Assignment mode
-         */
-        enum class JoyConAssignment {
-            Dual, //!< Dual Joy-Cons
-            Single, //!< Single Joy-Con
-            Unset //!< Not set
-        };
-
-        /**
-         * @brief This holds which Joy-Con to use Single mode (Not if SetNpadJoyAssignmentModeSingleByDefault is used)
-         */
-        enum class JoyConSide : i64 {
-            Left, //!< Left Joy-Con
-            Right, //!< Right Joy-Con
-            Unset //!< Not set
-        };
-
-        /**
-         * @brief This denotes the orientation of the Joy-Con(s)
-         */
-        enum class JoyConOrientation : u64 {
-            Vertical, //!< The Joy-Con is held vertically
-            Horizontal, //!< The Joy-Con is held horizontally
-            Unset //!< Not set
-        };
-
-        // TODO: Replace JoyConDevice with base NpadDevice class
-
-        /**
-         * @brief This holds the state of a single Npad device
-         */
-        struct JoyConDevice {
-            NpadId id; //!< The ID of this device
-            JoyConAssignment assignment{JoyConAssignment::Unset}; //!< The assignment mode of this device
-            JoyConSide side{JoyConSide::Unset}; //!< The type of the device
-
-            JoyConDevice() : id(NpadId::Unknown) {}
-
-            JoyConDevice(const NpadId &id) : id(id) {}
-        };
-
-        std::shared_ptr<IAppletResource> resource{}; //!< A shared pointer to the applet resource
-        std::optional<StyleSet> styleSet; //!< The controller styles supported by the application
-        std::unordered_map<NpadId, JoyConDevice> deviceMap; //!< Mapping from a controller's ID to it's corresponding JoyConDevice
-        JoyConOrientation orientation{JoyConOrientation::Unset}; //!< The Orientation of the Joy-Con(s)
-
       public:
         IHidServer(const DeviceState &state, ServiceManager &manager);
 

app/src/main/java/emu/skyline/EmulationActivity.kt

@@ -84,6 +84,10 @@ class EmulationActivity : AppCompatActivity(), SurfaceHolder.Callback {
      */
     private external fun getFrametime() : Float
 
+    private external fun setButtonState(id : Long, state : Int)
+
+    private external fun setAxisValue(id : Int, value : Int)
+
     /**
      * This executes the specified ROM, [preferenceFd] is assumed to be valid beforehand
      *