1 files changed, 38 insertions, 0 deletions

diff --git a/src/core/hle/service/hid/controllers/xpad.cpp b/src/core/hle/service/hid/controllers/xpad.cpp
new file mode 100644
index 000000000..521e925b7
--- /dev/null
+++ b/src/core/hle/service/hid/controllers/xpad.cpp
@@ -0,0 +1,38 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/common_types.h"
+#include "common/swap.h"
+#include "core/core_timing.h"
+#include "core/hle/service/hid/controllers/xpad.h"
+
+namespace Service::HID {
+constexpr size_t SHARED_MEMORY_OFFSET = 0x3C00;
+void Controller_XPad::OnInit() {}
+void Controller_XPad::OnRelease() {}
+void Controller_XPad::OnUpdate(u8* data, size_t size) {
+    for (auto& xpad_entry : shared_memory.shared_memory_entries) {
+        xpad_entry.header.timestamp = CoreTiming::GetTicks();
+        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;
+
+        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;
+    }
+    // TODO(ogniK): Update xpad states
+
+    std::memcpy(data + SHARED_MEMORY_OFFSET, &shared_memory, sizeof(SharedMemory));
+}
+void Controller_XPad::OnLoadInputDevices() {}
+}; // namespace Service::HID