service: hid: Implement home, capture and sleep buttons

src/hid_core/CMakeLists.txt

@@ -96,6 +96,7 @@ add_library(hid_core STATIC
     resources/system_buttons/home_button.h
     resources/system_buttons/sleep_button.cpp
     resources/system_buttons/sleep_button.h
+    resources/system_buttons/system_button_types.h
     resources/touch_screen/gesture.cpp
     resources/touch_screen/gesture.h
     resources/touch_screen/gesture_types.h

src/hid_core/hid_types.h

@@ -437,6 +437,16 @@ struct LedPattern {
     };
 };
 
+struct SleepButtonState {
+    union {
+        u64 raw{};
+
+        // Buttons
+        BitField<0, 1, u64> sleep;
+    };
+};
+static_assert(sizeof(SleepButtonState) == 0x8, "SleepButtonState has incorrect size.");
+
 struct HomeButtonState {
     union {
         u64 raw{};

src/hid_core/resources/shared_memory_format.h

@@ -12,6 +12,7 @@
 #include "hid_core/resources/mouse/mouse_types.h"
 #include "hid_core/resources/npad/npad_types.h"
 #include "hid_core/resources/ring_lifo.h"
+#include "hid_core/resources/system_buttons/system_button_types.h"
 #include "hid_core/resources/touch_screen/touch_types.h"
 
 namespace Service::HID {
@@ -75,24 +76,24 @@ static_assert(sizeof(DigitizerSharedMemoryFormat) == 0x1000,
 
 // This is nn::hid::detail::HomeButtonSharedMemoryFormat
 struct HomeButtonSharedMemoryFormat {
-    CommonHeader header;
+    Lifo<HomeButtonState, HidEntryCount> home_lifo{};
-    INSERT_PADDING_BYTES(0x1E0);
+    INSERT_PADDING_BYTES(0x48);
 };
 static_assert(sizeof(HomeButtonSharedMemoryFormat) == 0x200,
               "HomeButtonSharedMemoryFormat is an invalid size");
 
 // This is nn::hid::detail::SleepButtonSharedMemoryFormat
 struct SleepButtonSharedMemoryFormat {
-    CommonHeader header;
+    Lifo<SleepButtonState, HidEntryCount> sleep_lifo{};
-    INSERT_PADDING_BYTES(0x1E0);
+    INSERT_PADDING_BYTES(0x48);
 };
 static_assert(sizeof(SleepButtonSharedMemoryFormat) == 0x200,
               "SleepButtonSharedMemoryFormat is an invalid size");
 
 // This is nn::hid::detail::CaptureButtonSharedMemoryFormat
 struct CaptureButtonSharedMemoryFormat {
-    CommonHeader header;
+    Lifo<CaptureButtonState, HidEntryCount> capture_lifo{};
-    INSERT_PADDING_BYTES(0x1E0);
+    INSERT_PADDING_BYTES(0x48);
 };
 static_assert(sizeof(CaptureButtonSharedMemoryFormat) == 0x200,
               "CaptureButtonSharedMemoryFormat is an invalid size");

src/hid_core/resources/system_buttons/capture_button.cpp

@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "core/core_timing.h"
+#include "hid_core/frontend/emulated_controller.h"
+#include "hid_core/hid_core.h"
 #include "hid_core/resources/applet_resource.h"
 #include "hid_core/resources/shared_memory_format.h"
 #include "hid_core/resources/system_buttons/capture_button.h"
@@ -17,10 +19,6 @@ void CaptureButton::OnInit() {}
 void CaptureButton::OnRelease() {}
 
 void CaptureButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
-    if (!smart_update) {
-        return;
-    }
-
     std::scoped_lock shared_lock{*shared_mutex};
     const u64 aruid = applet_resource->GetActiveAruid();
     auto* data = applet_resource->GetAruidData(aruid);
@@ -29,11 +27,21 @@ void CaptureButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
         return;
     }
 
-    auto& header = data->shared_memory_format->capture_button.header;
+    auto& shared_memory = data->shared_memory_format->capture_button;
-    header.timestamp = core_timing.GetGlobalTimeNs().count();
+
-    header.total_entry_count = 17;
+    if (!IsControllerActivated()) {
-    header.entry_count = 0;
+        shared_memory.capture_lifo.buffer_count = 0;
-    header.last_entry_index = 0;
+        shared_memory.capture_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto& last_entry = shared_memory.capture_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    auto* controller = hid_core.GetEmulatedController(Core::HID::NpadIdType::Player1);
+    next_state.buttons.raw = controller->GetHomeButtons().raw;
+
+    shared_memory.capture_lifo.WriteNextEntry(next_state);
 }
 
 } // namespace Service::HID

src/hid_core/resources/system_buttons/capture_button.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/system_buttons/system_button_types.h"
 
 namespace Service::HID {
 
@@ -22,6 +23,6 @@ public:
     void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
 
 private:
-    bool smart_update{};
+    CaptureButtonState next_state{};
 };
 } // namespace Service::HID

src/hid_core/resources/system_buttons/home_button.cpp

@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "core/core_timing.h"
+#include "hid_core/frontend/emulated_controller.h"
+#include "hid_core/hid_core.h"
 #include "hid_core/resources/applet_resource.h"
 #include "hid_core/resources/shared_memory_format.h"
 #include "hid_core/resources/system_buttons/home_button.h"
@@ -17,10 +19,6 @@ void HomeButton::OnInit() {}
 void HomeButton::OnRelease() {}
 
 void HomeButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
-    if (!smart_update) {
-        return;
-    }
-
     std::scoped_lock shared_lock{*shared_mutex};
     const u64 aruid = applet_resource->GetActiveAruid();
     auto* data = applet_resource->GetAruidData(aruid);
@@ -29,11 +27,21 @@ void HomeButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
         return;
     }
 
-    auto& header = data->shared_memory_format->home_button.header;
+    auto& shared_memory = data->shared_memory_format->home_button;
-    header.timestamp = core_timing.GetGlobalTimeNs().count();
+
-    header.total_entry_count = 17;
+    if (!IsControllerActivated()) {
-    header.entry_count = 0;
+        shared_memory.home_lifo.buffer_count = 0;
-    header.last_entry_index = 0;
+        shared_memory.home_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto& last_entry = shared_memory.home_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    auto* controller = hid_core.GetEmulatedController(Core::HID::NpadIdType::Player1);
+    next_state.buttons.raw = controller->GetHomeButtons().raw;
+
+    shared_memory.home_lifo.WriteNextEntry(next_state);
 }
 
 } // namespace Service::HID

src/hid_core/resources/system_buttons/home_button.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/system_buttons/system_button_types.h"
 
 namespace Service::HID {
 
@@ -22,6 +23,6 @@ public:
     void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
 
 private:
-    bool smart_update{};
+    HomeButtonState next_state{};
 };
 } // namespace Service::HID

src/hid_core/resources/system_buttons/sleep_button.cpp

@@ -17,10 +17,6 @@ void SleepButton::OnInit() {}
 void SleepButton::OnRelease() {}
 
 void SleepButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
-    if (!smart_update) {
-        return;
-    }
-
     std::scoped_lock shared_lock{*shared_mutex};
     const u64 aruid = applet_resource->GetActiveAruid();
     auto* data = applet_resource->GetAruidData(aruid);
@@ -29,11 +25,20 @@ void SleepButton::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
         return;
     }
 
-    auto& header = data->shared_memory_format->capture_button.header;
+    auto& shared_memory = data->shared_memory_format->sleep_button;
-    header.timestamp = core_timing.GetGlobalTimeNs().count();
+
-    header.total_entry_count = 17;
+    if (!IsControllerActivated()) {
-    header.entry_count = 0;
+        shared_memory.sleep_lifo.buffer_count = 0;
-    header.last_entry_index = 0;
+        shared_memory.sleep_lifo.buffer_tail = 0;
+        return;
+    }
+
+    const auto& last_entry = shared_memory.sleep_lifo.ReadCurrentEntry().state;
+    next_state.sampling_number = last_entry.sampling_number + 1;
+
+    next_state.buttons.raw = 0;
+
+    shared_memory.sleep_lifo.WriteNextEntry(next_state);
 }
 
 } // namespace Service::HID

src/hid_core/resources/system_buttons/sleep_button.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include "hid_core/resources/controller_base.h"
+#include "hid_core/resources/system_buttons/system_button_types.h"
 
 namespace Service::HID {
 
@@ -22,6 +23,6 @@ public:
     void OnUpdate(const Core::Timing::CoreTiming& core_timing) override;
 
 private:
-    bool smart_update{};
+    SleepButtonState next_state{};
 };
 } // namespace Service::HID

src/hid_core/resources/system_buttons/system_button_types.h

@@ -0,0 +1,31 @@
+// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "hid_core/hid_types.h"
+
+namespace Service::HID {
+
+// This is nn::hid::system::SleepButtonState
+struct SleepButtonState {
+    s64 sampling_number{};
+    Core::HID::SleepButtonState buttons;
+};
+static_assert(sizeof(SleepButtonState) == 0x10, "SleepButtonState is an invalid size");
+
+// This is nn::hid::system::HomeButtonState
+struct HomeButtonState {
+    s64 sampling_number{};
+    Core::HID::HomeButtonState buttons;
+};
+static_assert(sizeof(HomeButtonState) == 0x10, "HomeButtonState is an invalid size");
+
+// This is nn::hid::system::SleepButtonState
+struct CaptureButtonState {
+    s64 sampling_number{};
+    Core::HID::CaptureButtonState buttons;
+};
+static_assert(sizeof(CaptureButtonState) == 0x10, "CaptureButtonState is an invalid size");
+
+} // namespace Service::HID

src/hid_core/resources/unique_pad/unique_pad.cpp

@@ -28,7 +28,7 @@ void UniquePad::OnUpdate(const Core::Timing::CoreTiming& core_timing) {
         return;
     }
 
-    auto& header = data->shared_memory_format->capture_button.header;
+    auto& header = data->shared_memory_format->unique_pad.header;
     header.timestamp = core_timing.GetGlobalTimeNs().count();
     header.total_entry_count = 17;
     header.entry_count = 0;