922 lines
27 KiB
C++
922 lines
27 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "InputCommon/GCAdapter.h"
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#ifndef ANDROID
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#define GCADAPTER_USE_LIBUSB_IMPLEMENTATION true
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#define GCADAPTER_USE_ANDROID_IMPLEMENTATION false
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#else
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#define GCADAPTER_USE_LIBUSB_IMPLEMENTATION false
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#define GCADAPTER_USE_ANDROID_IMPLEMENTATION true
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#endif
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#include <algorithm>
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#include <array>
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#include <mutex>
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#include <optional>
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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#include <libusb.h>
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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#include <jni.h>
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#endif
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#include "Common/Event.h"
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#include "Common/Flag.h"
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#include "Common/Logging/Log.h"
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#include "Common/Thread.h"
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#include "Core/Config/MainSettings.h"
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#include "Core/Core.h"
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#include "Core/CoreTiming.h"
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#include "Core/HW/SI/SI.h"
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#include "Core/HW/SI/SI_Device.h"
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#include "Core/HW/SystemTimers.h"
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#include "InputCommon/GCPadStatus.h"
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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#include "Common/ScopeGuard.h"
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#include "Core/LibusbUtils.h"
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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#include "jni/AndroidCommon/IDCache.h"
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#endif
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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#if defined(LIBUSB_API_VERSION)
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#define LIBUSB_API_VERSION_EXIST 1
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#else
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#define LIBUSB_API_VERSION_EXIST 0
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#endif
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#define LIBUSB_API_VERSION_ATLEAST(v) (LIBUSB_API_VERSION_EXIST && LIBUSB_API_VERSION >= (v))
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#define LIBUSB_API_HAS_HOTPLUG LIBUSB_API_VERSION_ATLEAST(0x01000102)
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#endif
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namespace GCAdapter
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{
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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static bool CheckDeviceAccess(libusb_device* device);
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static void AddGCAdapter(libusb_device* device);
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static void ResetRumbleLockNeeded();
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#endif
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static void Reset();
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static void Setup();
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static void Read();
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static void Write();
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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enum
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{
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NO_ADAPTER_DETECTED = 0,
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ADAPTER_DETECTED = 1,
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};
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// Current adapter status: detected/not detected/in error (holds the error code)
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static std::atomic<int> s_status = NO_ADAPTER_DETECTED;
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static libusb_device_handle* s_handle = nullptr;
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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// Java classes
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static jclass s_adapter_class;
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static bool s_detected = false;
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static int s_fd = 0;
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#endif
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enum class ControllerType : u8
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{
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None = 0,
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Wired = 1,
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Wireless = 2,
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};
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static std::array<ControllerType, SerialInterface::MAX_SI_CHANNELS> s_controller_type = {
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ControllerType::None, ControllerType::None, ControllerType::None, ControllerType::None};
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static std::array<u8, SerialInterface::MAX_SI_CHANNELS> s_controller_rumble{};
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constexpr size_t CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE = 37;
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constexpr size_t CONTROLER_OUTPUT_INIT_PAYLOAD_SIZE = 1;
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constexpr size_t CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE = 5;
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static std::array<u8, CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE> s_controller_payload;
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static std::array<u8, CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE> s_controller_payload_swap;
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// Only access with s_mutex held!
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static int s_controller_payload_size = {0};
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static std::array<u8, CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE> s_controller_write_payload;
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static std::atomic<int> s_controller_write_payload_size{0};
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static std::thread s_read_adapter_thread;
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static Common::Flag s_read_adapter_thread_running;
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static std::thread s_write_adapter_thread;
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static Common::Flag s_write_adapter_thread_running;
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static Common::Event s_write_happened;
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static std::mutex s_read_mutex;
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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static std::mutex s_init_mutex;
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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static std::mutex s_write_mutex;
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#endif
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static std::thread s_adapter_detect_thread;
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static Common::Flag s_adapter_detect_thread_running;
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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static Common::Event s_hotplug_event;
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static std::function<void(void)> s_detect_callback;
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#if defined(__FreeBSD__) && __FreeBSD__ >= 11
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static bool s_libusb_hotplug_enabled = true;
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#else
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static bool s_libusb_hotplug_enabled = false;
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#endif
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#if LIBUSB_API_HAS_HOTPLUG
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static libusb_hotplug_callback_handle s_hotplug_handle;
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#endif
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static std::unique_ptr<LibusbUtils::Context> s_libusb_context;
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static u8 s_endpoint_in = 0;
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static u8 s_endpoint_out = 0;
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#endif
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static u64 s_last_init = 0;
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static std::optional<size_t> s_config_callback_id = std::nullopt;
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static std::array<SerialInterface::SIDevices, SerialInterface::MAX_SI_CHANNELS>
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s_config_si_device_type{};
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static std::array<bool, SerialInterface::MAX_SI_CHANNELS> s_config_rumble_enabled{};
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static void Read()
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{
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Common::SetCurrentThreadName("GCAdapter Read Thread");
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter read thread started");
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#if GCADAPTER_USE_ANDROID_IMPLEMENTATION
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bool first_read = true;
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JNIEnv* const env = IDCache::GetEnvForThread();
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const jfieldID payload_field = env->GetStaticFieldID(s_adapter_class, "controller_payload", "[B");
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jobject payload_object = env->GetStaticObjectField(s_adapter_class, payload_field);
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auto* const java_controller_payload = reinterpret_cast<jbyteArray*>(&payload_object);
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// Get function pointers
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const jmethodID getfd_func = env->GetStaticMethodID(s_adapter_class, "GetFD", "()I");
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const jmethodID input_func = env->GetStaticMethodID(s_adapter_class, "Input", "()I");
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const jmethodID openadapter_func = env->GetStaticMethodID(s_adapter_class, "OpenAdapter", "()Z");
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const bool connected = env->CallStaticBooleanMethod(s_adapter_class, openadapter_func);
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if (!connected)
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{
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s_fd = 0;
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s_detected = false;
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GC Adapter failed to open!");
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return;
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}
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#endif
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s_write_adapter_thread_running.Set(true);
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s_write_adapter_thread = std::thread(Write);
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// Reset rumble once on initial reading
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ResetRumble();
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while (s_read_adapter_thread_running.IsSet())
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{
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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int payload_size = 0;
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const int error =
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libusb_interrupt_transfer(s_handle, s_endpoint_in, s_controller_payload_swap.data(),
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CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE, &payload_size, 16);
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if (error != LIBUSB_SUCCESS)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Read: libusb_interrupt_transfer failed: {}",
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LibusbUtils::ErrorWrap(error));
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}
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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const int payload_size = env->CallStaticIntMethod(s_adapter_class, input_func);
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jbyte* const java_data = env->GetByteArrayElements(*java_controller_payload, nullptr);
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std::copy(java_data, java_data + CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE,
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s_controller_payload_swap.begin());
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#endif
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{
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std::lock_guard<std::mutex> lk(s_read_mutex);
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std::swap(s_controller_payload_swap, s_controller_payload);
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s_controller_payload_size = payload_size;
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}
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#if GCADAPTER_USE_ANDROID_IMPLEMENTATION
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env->ReleaseByteArrayElements(*java_controller_payload, java_data, 0);
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if (first_read)
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{
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first_read = false;
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s_fd = env->CallStaticIntMethod(s_adapter_class, getfd_func);
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}
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#endif
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Common::YieldCPU();
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}
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// Terminate the write thread on leaving
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if (s_write_adapter_thread_running.TestAndClear())
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{
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s_controller_write_payload_size.store(0);
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s_write_happened.Set(); // Kick the waiting event
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s_write_adapter_thread.join();
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}
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#if GCADAPTER_USE_ANDROID_IMPLEMENTATION
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s_fd = 0;
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s_detected = false;
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#endif
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter read thread stopped");
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}
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static void Write()
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{
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Common::SetCurrentThreadName("GCAdapter Write Thread");
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter write thread started");
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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int size = 0;
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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JNIEnv* const env = IDCache::GetEnvForThread();
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const jmethodID output_func = env->GetStaticMethodID(s_adapter_class, "Output", "([B)I");
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#endif
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while (s_write_adapter_thread_running.IsSet())
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{
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s_write_happened.Wait();
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const int write_size = s_controller_write_payload_size.load();
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if (write_size)
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{
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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const int error = libusb_interrupt_transfer(
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s_handle, s_endpoint_out, s_controller_write_payload.data(), write_size, &size, 16);
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if (error != LIBUSB_SUCCESS)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Write: libusb_interrupt_transfer failed: {}",
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LibusbUtils::ErrorWrap(error));
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}
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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const jbyteArray jrumble_array = env->NewByteArray(CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE);
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jbyte* const jrumble = env->GetByteArrayElements(jrumble_array, nullptr);
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{
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std::lock_guard<std::mutex> lk(s_write_mutex);
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memcpy(jrumble, s_controller_write_payload.data(), write_size);
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}
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env->ReleaseByteArrayElements(jrumble_array, jrumble, 0);
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env->CallStaticIntMethod(s_adapter_class, output_func, jrumble_array);
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#endif
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}
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Common::YieldCPU();
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}
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter write thread stopped");
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}
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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#if LIBUSB_API_HAS_HOTPLUG
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static int HotplugCallback(libusb_context* ctx, libusb_device* dev, libusb_hotplug_event event,
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void* user_data)
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{
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if (event == LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED)
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{
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if (s_handle == nullptr)
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s_hotplug_event.Set();
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}
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else if (event == LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT)
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{
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if (s_handle != nullptr && libusb_get_device(s_handle) == dev)
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Reset();
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// Reset a potential error status now that the adapter is unplugged
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if (s_status < 0)
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{
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s_status = NO_ADAPTER_DETECTED;
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if (s_detect_callback != nullptr)
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s_detect_callback();
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}
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}
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return 0;
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}
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#endif
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#endif
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static void ScanThreadFunc()
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{
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Common::SetCurrentThreadName("GC Adapter Scanning Thread");
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GC Adapter scanning thread started");
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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#if LIBUSB_API_HAS_HOTPLUG
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#ifndef __FreeBSD__
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s_libusb_hotplug_enabled = libusb_has_capability(LIBUSB_CAP_HAS_HOTPLUG) != 0;
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#endif
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if (s_libusb_hotplug_enabled)
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{
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const int error = libusb_hotplug_register_callback(
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*s_libusb_context,
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(libusb_hotplug_event)(LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED |
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LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT),
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LIBUSB_HOTPLUG_ENUMERATE, 0x057e, 0x0337, LIBUSB_HOTPLUG_MATCH_ANY, HotplugCallback,
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nullptr, &s_hotplug_handle);
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if (error == LIBUSB_SUCCESS)
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{
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "Using libUSB hotplug detection");
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}
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else
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{
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s_libusb_hotplug_enabled = false;
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Failed to add libUSB hotplug detection callback: {}",
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LibusbUtils::ErrorWrap(error));
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}
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}
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#endif
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while (s_adapter_detect_thread_running.IsSet())
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{
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if (s_handle == nullptr)
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{
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std::lock_guard<std::mutex> lk(s_init_mutex);
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Setup();
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}
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if (s_libusb_hotplug_enabled)
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s_hotplug_event.Wait();
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else
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Common::SleepCurrentThread(500);
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}
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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JNIEnv* const env = IDCache::GetEnvForThread();
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const jmethodID queryadapter_func =
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env->GetStaticMethodID(s_adapter_class, "QueryAdapter", "()Z");
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while (s_adapter_detect_thread_running.IsSet())
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{
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if (!s_detected && UseAdapter() &&
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env->CallStaticBooleanMethod(s_adapter_class, queryadapter_func))
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Setup();
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Common::SleepCurrentThread(1000);
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}
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#endif
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NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GC Adapter scanning thread stopped");
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}
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void SetAdapterCallback(std::function<void(void)> func)
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{
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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s_detect_callback = func;
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#endif
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}
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static void RefreshConfig()
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{
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for (int i = 0; i < SerialInterface::MAX_SI_CHANNELS; ++i)
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{
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s_config_si_device_type[i] = Config::Get(Config::GetInfoForSIDevice(i));
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s_config_rumble_enabled[i] = Config::Get(Config::GetInfoForAdapterRumble(i));
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}
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}
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void Init()
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{
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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if (s_handle != nullptr)
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return;
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s_libusb_context = std::make_unique<LibusbUtils::Context>();
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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if (s_fd)
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return;
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#endif
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if (Core::GetState() != Core::State::Uninitialized && Core::GetState() != Core::State::Starting)
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{
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if ((CoreTiming::GetTicks() - s_last_init) < SystemTimers::GetTicksPerSecond())
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return;
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s_last_init = CoreTiming::GetTicks();
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}
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
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s_status = NO_ADAPTER_DETECTED;
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#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
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JNIEnv* const env = IDCache::GetEnvForThread();
|
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const jclass adapter_class = env->FindClass("org/dolphinemu/dolphinemu/utils/Java_GCAdapter");
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s_adapter_class = reinterpret_cast<jclass>(env->NewGlobalRef(adapter_class));
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#endif
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if (!s_config_callback_id)
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s_config_callback_id = Config::AddConfigChangedCallback(RefreshConfig);
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RefreshConfig();
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|
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if (UseAdapter())
|
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StartScanThread();
|
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}
|
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|
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void StartScanThread()
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{
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if (s_adapter_detect_thread_running.IsSet())
|
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return;
|
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
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if (!s_libusb_context->IsValid())
|
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return;
|
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#endif
|
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s_adapter_detect_thread_running.Set(true);
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s_adapter_detect_thread = std::thread(ScanThreadFunc);
|
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}
|
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|
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void StopScanThread()
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{
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if (s_adapter_detect_thread_running.TestAndClear())
|
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{
|
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#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
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s_hotplug_event.Set();
|
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#endif
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s_adapter_detect_thread.join();
|
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}
|
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}
|
||
|
||
static void Setup()
|
||
{
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
const int prev_status = s_status;
|
||
|
||
// Reset the error status in case the adapter gets unplugged
|
||
if (s_status < 0)
|
||
s_status = NO_ADAPTER_DETECTED;
|
||
|
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s_controller_type.fill(ControllerType::None);
|
||
s_controller_rumble.fill(0);
|
||
|
||
s_libusb_context->GetDeviceList([](libusb_device* device) {
|
||
if (CheckDeviceAccess(device))
|
||
{
|
||
// Only connect to a single adapter in case the user has multiple connected
|
||
AddGCAdapter(device);
|
||
return false;
|
||
}
|
||
return true;
|
||
});
|
||
|
||
if (s_status != ADAPTER_DETECTED && prev_status != s_status && s_detect_callback != nullptr)
|
||
s_detect_callback();
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
s_fd = 0;
|
||
s_detected = true;
|
||
|
||
// Make sure the thread isn't in the middle of shutting down while starting a new one
|
||
if (s_read_adapter_thread_running.TestAndClear())
|
||
s_read_adapter_thread.join();
|
||
|
||
s_read_adapter_thread_running.Set(true);
|
||
s_read_adapter_thread = std::thread(Read);
|
||
#endif
|
||
}
|
||
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
static bool CheckDeviceAccess(libusb_device* device)
|
||
{
|
||
libusb_device_descriptor desc;
|
||
int ret = libusb_get_device_descriptor(device, &desc);
|
||
if (ret != LIBUSB_SUCCESS)
|
||
{
|
||
// could not acquire the descriptor, no point in trying to use it.
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE, "libusb_get_device_descriptor failed: {}",
|
||
LibusbUtils::ErrorWrap(ret));
|
||
return false;
|
||
}
|
||
|
||
if (desc.idVendor != 0x057e || desc.idProduct != 0x0337)
|
||
{
|
||
// This isn’t the device we are looking for.
|
||
return false;
|
||
}
|
||
|
||
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "Found GC Adapter with Vendor: {:X} Product: {:X} Devnum: {}",
|
||
desc.idVendor, desc.idProduct, 1);
|
||
|
||
// In case of failure, capture the libusb error code into the adapter status
|
||
Common::ScopeGuard status_guard([&ret] { s_status = ret; });
|
||
|
||
const u8 bus = libusb_get_bus_number(device);
|
||
const u8 port = libusb_get_device_address(device);
|
||
ret = libusb_open(device, &s_handle);
|
||
if (ret != LIBUSB_SUCCESS)
|
||
{
|
||
if (ret == LIBUSB_ERROR_ACCESS)
|
||
{
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE,
|
||
"Dolphin does not have access to this device: Bus {:03d} Device {:03d}: ID "
|
||
"{:04X}:{:04X}.",
|
||
bus, port, desc.idVendor, desc.idProduct);
|
||
}
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE, "libusb_open failed to open device: {}",
|
||
LibusbUtils::ErrorWrap(ret));
|
||
return false;
|
||
}
|
||
|
||
bool detach_failed = false;
|
||
ret = libusb_kernel_driver_active(s_handle, 0);
|
||
if (ret == 1) // 1: kernel driver is active
|
||
{
|
||
// On macos detaching would fail without root or entitlement.
|
||
// We assume user is using GCAdapterDriver and therefor don't want to detach anything
|
||
#if !defined(__APPLE__)
|
||
ret = libusb_detach_kernel_driver(s_handle, 0);
|
||
detach_failed = ret < 0 && ret != LIBUSB_ERROR_NOT_FOUND && ret != LIBUSB_ERROR_NOT_SUPPORTED;
|
||
#endif
|
||
if (detach_failed)
|
||
{
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE, "libusb_detach_kernel_driver failed: {}",
|
||
LibusbUtils::ErrorWrap(ret));
|
||
}
|
||
}
|
||
else if (ret != 0) // 0: kernel driver is not active, but otherwise no error.
|
||
{
|
||
// Neither 0 nor 1 means an error occured.
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE, "libusb_kernel_driver_active failed: {}",
|
||
LibusbUtils::ErrorWrap(ret));
|
||
}
|
||
|
||
// This call makes Nyko-brand (and perhaps other) adapters work.
|
||
// However it returns LIBUSB_ERROR_PIPE with Mayflash adapters.
|
||
const int transfer = libusb_control_transfer(s_handle, 0x21, 11, 0x0001, 0, nullptr, 0, 1000);
|
||
if (transfer < 0)
|
||
{
|
||
WARN_LOG_FMT(CONTROLLERINTERFACE, "libusb_control_transfer failed: {}",
|
||
LibusbUtils::ErrorWrap(transfer));
|
||
}
|
||
|
||
// this split is needed so that we don't avoid claiming the interface when
|
||
// detaching the kernel driver is successful
|
||
if (detach_failed)
|
||
{
|
||
libusb_close(s_handle);
|
||
s_handle = nullptr;
|
||
return false;
|
||
}
|
||
|
||
ret = libusb_claim_interface(s_handle, 0);
|
||
if (ret != LIBUSB_SUCCESS)
|
||
{
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE, "libusb_claim_interface failed: {}",
|
||
LibusbUtils::ErrorWrap(ret));
|
||
libusb_close(s_handle);
|
||
s_handle = nullptr;
|
||
return false;
|
||
}
|
||
|
||
// Updating the adapter status will be done in AddGCAdapter
|
||
status_guard.Dismiss();
|
||
|
||
return true;
|
||
}
|
||
|
||
static void AddGCAdapter(libusb_device* device)
|
||
{
|
||
libusb_config_descriptor* config = nullptr;
|
||
if (const int error = libusb_get_config_descriptor(device, 0, &config); error != LIBUSB_SUCCESS)
|
||
{
|
||
WARN_LOG_FMT(CONTROLLERINTERFACE, "libusb_get_config_descriptor failed: {}",
|
||
LibusbUtils::ErrorWrap(error));
|
||
}
|
||
for (u8 ic = 0; ic < config->bNumInterfaces; ic++)
|
||
{
|
||
const libusb_interface* interfaceContainer = &config->interface[ic];
|
||
for (int i = 0; i < interfaceContainer->num_altsetting; i++)
|
||
{
|
||
const libusb_interface_descriptor* interface = &interfaceContainer->altsetting[i];
|
||
for (u8 e = 0; e < interface->bNumEndpoints; e++)
|
||
{
|
||
const libusb_endpoint_descriptor* endpoint = &interface->endpoint[e];
|
||
if (endpoint->bEndpointAddress & LIBUSB_ENDPOINT_IN)
|
||
s_endpoint_in = endpoint->bEndpointAddress;
|
||
else
|
||
s_endpoint_out = endpoint->bEndpointAddress;
|
||
}
|
||
}
|
||
}
|
||
|
||
int size = 0;
|
||
std::array<u8, CONTROLER_OUTPUT_INIT_PAYLOAD_SIZE> payload = {0x13};
|
||
const int error = libusb_interrupt_transfer(s_handle, s_endpoint_out, payload.data(),
|
||
CONTROLER_OUTPUT_INIT_PAYLOAD_SIZE, &size, 16);
|
||
if (error != LIBUSB_SUCCESS)
|
||
{
|
||
WARN_LOG_FMT(CONTROLLERINTERFACE, "AddGCAdapter: libusb_interrupt_transfer failed: {}",
|
||
LibusbUtils::ErrorWrap(error));
|
||
}
|
||
|
||
s_read_adapter_thread_running.Set(true);
|
||
s_read_adapter_thread = std::thread(Read);
|
||
|
||
s_status = ADAPTER_DETECTED;
|
||
if (s_detect_callback != nullptr)
|
||
s_detect_callback();
|
||
ResetRumbleLockNeeded();
|
||
}
|
||
#endif
|
||
|
||
void Shutdown()
|
||
{
|
||
StopScanThread();
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
#if LIBUSB_API_HAS_HOTPLUG
|
||
if (s_libusb_context->IsValid() && s_libusb_hotplug_enabled)
|
||
libusb_hotplug_deregister_callback(*s_libusb_context, s_hotplug_handle);
|
||
#endif
|
||
#endif
|
||
Reset();
|
||
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
s_libusb_context.reset();
|
||
s_status = NO_ADAPTER_DETECTED;
|
||
#endif
|
||
|
||
if (s_config_callback_id)
|
||
{
|
||
Config::RemoveConfigChangedCallback(*s_config_callback_id);
|
||
s_config_callback_id = std::nullopt;
|
||
}
|
||
}
|
||
|
||
static void Reset()
|
||
{
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
std::unique_lock<std::mutex> lock(s_init_mutex, std::defer_lock);
|
||
if (!lock.try_lock())
|
||
return;
|
||
if (s_status != ADAPTER_DETECTED)
|
||
return;
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
if (!s_detected)
|
||
return;
|
||
#endif
|
||
|
||
if (s_read_adapter_thread_running.TestAndClear())
|
||
s_read_adapter_thread.join();
|
||
// The read thread will close the write thread
|
||
|
||
s_controller_type.fill(ControllerType::None);
|
||
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
s_status = NO_ADAPTER_DETECTED;
|
||
|
||
if (s_handle)
|
||
{
|
||
const int error = libusb_release_interface(s_handle, 0);
|
||
if (error != LIBUSB_SUCCESS)
|
||
{
|
||
WARN_LOG_FMT(CONTROLLERINTERFACE, "libusb_release_interface failed: {}",
|
||
LibusbUtils::ErrorWrap(error));
|
||
}
|
||
libusb_close(s_handle);
|
||
s_handle = nullptr;
|
||
}
|
||
if (s_detect_callback != nullptr)
|
||
s_detect_callback();
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
s_detected = false;
|
||
s_fd = 0;
|
||
#endif
|
||
|
||
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GC Adapter detached");
|
||
}
|
||
|
||
GCPadStatus Input(int chan)
|
||
{
|
||
if (!UseAdapter())
|
||
return {};
|
||
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
if (s_handle == nullptr || s_status != ADAPTER_DETECTED)
|
||
return {};
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
if (!s_detected || !s_fd)
|
||
return {};
|
||
#endif
|
||
|
||
int payload_size = 0;
|
||
std::array<u8, CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE> controller_payload_copy{};
|
||
|
||
{
|
||
std::lock_guard<std::mutex> lk(s_read_mutex);
|
||
controller_payload_copy = s_controller_payload;
|
||
payload_size = s_controller_payload_size;
|
||
}
|
||
|
||
GCPadStatus pad = {};
|
||
if (payload_size != CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
|| controller_payload_copy[0] != LIBUSB_DT_HID
|
||
#endif
|
||
)
|
||
{
|
||
// This can occur for a few frames on initialization.
|
||
ERROR_LOG_FMT(CONTROLLERINTERFACE, "error reading payload (size: {}, type: {:02x})",
|
||
payload_size, controller_payload_copy[0]);
|
||
#if GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
Reset();
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
bool get_origin = false;
|
||
// TODO: What do the other bits here indicate? Does casting to an enum like this make sense?
|
||
const auto type = static_cast<ControllerType>(controller_payload_copy[1 + (9 * chan)] >> 4);
|
||
if (type != ControllerType::None && s_controller_type[chan] == ControllerType::None)
|
||
{
|
||
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "New device connected to Port {} of Type: {:02x}",
|
||
chan + 1, controller_payload_copy[1 + (9 * chan)]);
|
||
get_origin = true;
|
||
}
|
||
|
||
s_controller_type[chan] = type;
|
||
|
||
if (s_controller_type[chan] != ControllerType::None)
|
||
{
|
||
const u8 b1 = controller_payload_copy[1 + (9 * chan) + 1];
|
||
const u8 b2 = controller_payload_copy[1 + (9 * chan) + 2];
|
||
|
||
if (b1 & (1 << 0))
|
||
pad.button |= PAD_BUTTON_A;
|
||
if (b1 & (1 << 1))
|
||
pad.button |= PAD_BUTTON_B;
|
||
if (b1 & (1 << 2))
|
||
pad.button |= PAD_BUTTON_X;
|
||
if (b1 & (1 << 3))
|
||
pad.button |= PAD_BUTTON_Y;
|
||
|
||
if (b1 & (1 << 4))
|
||
pad.button |= PAD_BUTTON_LEFT;
|
||
if (b1 & (1 << 5))
|
||
pad.button |= PAD_BUTTON_RIGHT;
|
||
if (b1 & (1 << 6))
|
||
pad.button |= PAD_BUTTON_DOWN;
|
||
if (b1 & (1 << 7))
|
||
pad.button |= PAD_BUTTON_UP;
|
||
|
||
if (b2 & (1 << 0))
|
||
pad.button |= PAD_BUTTON_START;
|
||
if (b2 & (1 << 1))
|
||
pad.button |= PAD_TRIGGER_Z;
|
||
if (b2 & (1 << 2))
|
||
pad.button |= PAD_TRIGGER_R;
|
||
if (b2 & (1 << 3))
|
||
pad.button |= PAD_TRIGGER_L;
|
||
|
||
if (get_origin)
|
||
pad.button |= PAD_GET_ORIGIN;
|
||
|
||
pad.stickX = controller_payload_copy[1 + (9 * chan) + 3];
|
||
pad.stickY = controller_payload_copy[1 + (9 * chan) + 4];
|
||
pad.substickX = controller_payload_copy[1 + (9 * chan) + 5];
|
||
pad.substickY = controller_payload_copy[1 + (9 * chan) + 6];
|
||
pad.triggerLeft = controller_payload_copy[1 + (9 * chan) + 7];
|
||
pad.triggerRight = controller_payload_copy[1 + (9 * chan) + 8];
|
||
}
|
||
else if (!Core::WantsDeterminism())
|
||
{
|
||
// This is a hack to prevent a desync due to SI devices
|
||
// being different and returning different values.
|
||
// The corresponding code in DeviceGCAdapter has the same check
|
||
pad.button = PAD_ERR_STATUS;
|
||
}
|
||
}
|
||
|
||
return pad;
|
||
}
|
||
|
||
bool DeviceConnected(int chan)
|
||
{
|
||
return s_controller_type[chan] != ControllerType::None;
|
||
}
|
||
|
||
void ResetDeviceType(int chan)
|
||
{
|
||
s_controller_type[chan] = ControllerType::None;
|
||
}
|
||
|
||
bool UseAdapter()
|
||
{
|
||
const auto& si_devices = s_config_si_device_type;
|
||
return std::any_of(si_devices.begin(), si_devices.end(), [](const auto device_type) {
|
||
return device_type == SerialInterface::SIDEVICE_WIIU_ADAPTER;
|
||
});
|
||
}
|
||
|
||
void ResetRumble()
|
||
{
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
std::unique_lock<std::mutex> lock(s_init_mutex, std::defer_lock);
|
||
if (!lock.try_lock())
|
||
return;
|
||
ResetRumbleLockNeeded();
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
std::array<u8, CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE> rumble = {0x11, 0, 0, 0, 0};
|
||
{
|
||
std::lock_guard<std::mutex> lk(s_write_mutex);
|
||
s_controller_write_payload = rumble;
|
||
s_controller_write_payload_size.store(CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE);
|
||
}
|
||
s_write_happened.Set();
|
||
#endif
|
||
}
|
||
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
// Needs to be called when s_init_mutex is locked in order to avoid
|
||
// being called while the libusb state is being reset
|
||
static void ResetRumbleLockNeeded()
|
||
{
|
||
if (!UseAdapter() || (s_handle == nullptr || s_status != ADAPTER_DETECTED))
|
||
{
|
||
return;
|
||
}
|
||
|
||
std::fill(std::begin(s_controller_rumble), std::end(s_controller_rumble), 0);
|
||
|
||
std::array<u8, CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE> rumble = {
|
||
0x11, s_controller_rumble[0], s_controller_rumble[1], s_controller_rumble[2],
|
||
s_controller_rumble[3]};
|
||
|
||
int size = 0;
|
||
const int error = libusb_interrupt_transfer(s_handle, s_endpoint_out, rumble.data(),
|
||
CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE, &size, 16);
|
||
if (error != LIBUSB_SUCCESS)
|
||
{
|
||
WARN_LOG_FMT(CONTROLLERINTERFACE, "ResetRumbleLockNeeded: libusb_interrupt_transfer failed: {}",
|
||
LibusbUtils::ErrorWrap(error));
|
||
}
|
||
|
||
INFO_LOG_FMT(CONTROLLERINTERFACE, "Rumble state reset");
|
||
}
|
||
#endif
|
||
|
||
void Output(int chan, u8 rumble_command)
|
||
{
|
||
if (!UseAdapter() || !s_config_rumble_enabled[chan])
|
||
return;
|
||
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
if (s_handle == nullptr)
|
||
return;
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
if (!s_detected || !s_fd)
|
||
return;
|
||
#endif
|
||
|
||
// Skip over rumble commands if it has not changed or the controller is wireless
|
||
if (rumble_command != s_controller_rumble[chan] &&
|
||
s_controller_type[chan] != ControllerType::Wireless)
|
||
{
|
||
s_controller_rumble[chan] = rumble_command;
|
||
std::array<u8, CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE> rumble = {
|
||
0x11, s_controller_rumble[0], s_controller_rumble[1], s_controller_rumble[2],
|
||
s_controller_rumble[3]};
|
||
{
|
||
#if GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
std::lock_guard<std::mutex> lk(s_write_mutex);
|
||
#endif
|
||
s_controller_write_payload = rumble;
|
||
s_controller_write_payload_size.store(CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE);
|
||
}
|
||
s_write_happened.Set();
|
||
}
|
||
}
|
||
|
||
bool IsDetected(const char** error_message)
|
||
{
|
||
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|
||
if (s_status >= 0)
|
||
{
|
||
if (error_message)
|
||
*error_message = nullptr;
|
||
|
||
return s_status == ADAPTER_DETECTED;
|
||
}
|
||
|
||
if (error_message)
|
||
*error_message = libusb_strerror(static_cast<libusb_error>(s_status.load()));
|
||
|
||
return false;
|
||
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
|
||
return s_detected;
|
||
#endif
|
||
}
|
||
|
||
} // namespace GCAdapter
|