bunnei
GitHub
commit
9f8e17cb18
@ -0,0 +1 @@
|
||||
Subproject commit 3406d72cda879f8792a88bf5f6bd0b7a65636f72
|
||||
@ -0,0 +1,379 @@
|
||||
// Copyright 2014 Dolphin Emulator Project
|
||||
// Licensed under GPLv2+
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <chrono>
|
||||
#include <thread>
|
||||
#include "common/logging/log.h"
|
||||
#include "input_common/gcadapter/gc_adapter.h"
|
||||
|
||||
namespace GCAdapter {
|
||||
|
||||
/// Used to loop through and assign button in poller
|
||||
constexpr std::array<PadButton, 12> PadButtonArray{
|
||||
PadButton::PAD_BUTTON_LEFT, PadButton::PAD_BUTTON_RIGHT, PadButton::PAD_BUTTON_DOWN,
|
||||
PadButton::PAD_BUTTON_UP, PadButton::PAD_TRIGGER_Z, PadButton::PAD_TRIGGER_R,
|
||||
PadButton::PAD_TRIGGER_L, PadButton::PAD_BUTTON_A, PadButton::PAD_BUTTON_B,
|
||||
PadButton::PAD_BUTTON_X, PadButton::PAD_BUTTON_Y, PadButton::PAD_BUTTON_START,
|
||||
};
|
||||
|
||||
Adapter::Adapter() {
|
||||
if (usb_adapter_handle != nullptr) {
|
||||
return;
|
||||
}
|
||||
LOG_INFO(Input, "GC Adapter Initialization started");
|
||||
|
||||
current_status = NO_ADAPTER_DETECTED;
|
||||
libusb_init(&libusb_ctx);
|
||||
|
||||
StartScanThread();
|
||||
}
|
||||
|
||||
GCPadStatus Adapter::GetPadStatus(int port, const std::array<u8, 37>& adapter_payload) {
|
||||
GCPadStatus pad = {};
|
||||
bool get_origin = false;
|
||||
|
||||
ControllerTypes type = ControllerTypes(adapter_payload[1 + (9 * port)] >> 4);
|
||||
if (type != ControllerTypes::None) {
|
||||
get_origin = true;
|
||||
}
|
||||
|
||||
adapter_controllers_status[port] = type;
|
||||
|
||||
static constexpr std::array<PadButton, 8> b1_buttons{
|
||||
PadButton::PAD_BUTTON_A, PadButton::PAD_BUTTON_B, PadButton::PAD_BUTTON_X,
|
||||
PadButton::PAD_BUTTON_Y, PadButton::PAD_BUTTON_LEFT, PadButton::PAD_BUTTON_RIGHT,
|
||||
PadButton::PAD_BUTTON_DOWN, PadButton::PAD_BUTTON_UP,
|
||||
};
|
||||
|
||||
static constexpr std::array<PadButton, 4> b2_buttons{
|
||||
PadButton::PAD_BUTTON_START,
|
||||
PadButton::PAD_TRIGGER_Z,
|
||||
PadButton::PAD_TRIGGER_R,
|
||||
PadButton::PAD_TRIGGER_L,
|
||||
};
|
||||
|
||||
if (adapter_controllers_status[port] != ControllerTypes::None) {
|
||||
const u8 b1 = adapter_payload[1 + (9 * port) + 1];
|
||||
const u8 b2 = adapter_payload[1 + (9 * port) + 2];
|
||||
|
||||
for (std::size_t i = 0; i < b1_buttons.size(); ++i) {
|
||||
if ((b1 & (1U << i)) != 0) {
|
||||
pad.button |= static_cast<u16>(b1_buttons[i]);
|
||||
}
|
||||
}
|
||||
|
||||
for (std::size_t j = 0; j < b2_buttons.size(); ++j) {
|
||||
if ((b2 & (1U << j)) != 0) {
|
||||
pad.button |= static_cast<u16>(b2_buttons[j]);
|
||||
}
|
||||
}
|
||||
|
||||
if (get_origin) {
|
||||
pad.button |= PAD_GET_ORIGIN;
|
||||
}
|
||||
|
||||
pad.stick_x = adapter_payload[1 + (9 * port) + 3];
|
||||
pad.stick_y = adapter_payload[1 + (9 * port) + 4];
|
||||
pad.substick_x = adapter_payload[1 + (9 * port) + 5];
|
||||
pad.substick_y = adapter_payload[1 + (9 * port) + 6];
|
||||
pad.trigger_left = adapter_payload[1 + (9 * port) + 7];
|
||||
pad.trigger_right = adapter_payload[1 + (9 * port) + 8];
|
||||
}
|
||||
return pad;
|
||||
}
|
||||
|
||||
void Adapter::PadToState(const GCPadStatus& pad, GCState& state) {
|
||||
for (const auto& button : PadButtonArray) {
|
||||
const u16 button_value = static_cast<u16>(button);
|
||||
state.buttons.insert_or_assign(button_value, pad.button & button_value);
|
||||
}
|
||||
|
||||
state.axes.insert_or_assign(static_cast<u8>(PadAxes::StickX), pad.stick_x);
|
||||
state.axes.insert_or_assign(static_cast<u8>(PadAxes::StickY), pad.stick_y);
|
||||
state.axes.insert_or_assign(static_cast<u8>(PadAxes::SubstickX), pad.substick_x);
|
||||
state.axes.insert_or_assign(static_cast<u8>(PadAxes::SubstickY), pad.substick_y);
|
||||
state.axes.insert_or_assign(static_cast<u8>(PadAxes::TriggerLeft), pad.trigger_left);
|
||||
state.axes.insert_or_assign(static_cast<u8>(PadAxes::TriggerRight), pad.trigger_right);
|
||||
}
|
||||
|
||||
void Adapter::Read() {
|
||||
LOG_DEBUG(Input, "GC Adapter Read() thread started");
|
||||
|
||||
int payload_size_in, payload_size_copy;
|
||||
std::array<u8, 37> adapter_payload;
|
||||
std::array<u8, 37> adapter_payload_copy;
|
||||
std::array<GCPadStatus, 4> pads;
|
||||
|
||||
while (adapter_thread_running) {
|
||||
libusb_interrupt_transfer(usb_adapter_handle, input_endpoint, adapter_payload.data(),
|
||||
sizeof(adapter_payload), &payload_size_in, 16);
|
||||
payload_size_copy = 0;
|
||||
// this mutex might be redundant?
|
||||
{
|
||||
std::lock_guard<std::mutex> lk(s_mutex);
|
||||
std::copy(std::begin(adapter_payload), std::end(adapter_payload),
|
||||
std::begin(adapter_payload_copy));
|
||||
payload_size_copy = payload_size_in;
|
||||
}
|
||||
|
||||
if (payload_size_copy != sizeof(adapter_payload_copy) ||
|
||||
adapter_payload_copy[0] != LIBUSB_DT_HID) {
|
||||
LOG_ERROR(Input, "error reading payload (size: {}, type: {:02x})", payload_size_copy,
|
||||
adapter_payload_copy[0]);
|
||||
adapter_thread_running = false; // error reading from adapter, stop reading.
|
||||
break;
|
||||
}
|
||||
for (std::size_t port = 0; port < pads.size(); ++port) {
|
||||
pads[port] = GetPadStatus(port, adapter_payload_copy);
|
||||
if (DeviceConnected(port) && configuring) {
|
||||
if (pads[port].button != PAD_GET_ORIGIN) {
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
|
||||
// Accounting for a threshold here because of some controller variance
|
||||
if (pads[port].stick_x > pads[port].MAIN_STICK_CENTER_X + pads[port].THRESHOLD ||
|
||||
pads[port].stick_x < pads[port].MAIN_STICK_CENTER_X - pads[port].THRESHOLD) {
|
||||
pads[port].axis = GCAdapter::PadAxes::StickX;
|
||||
pads[port].axis_value = pads[port].stick_x;
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
if (pads[port].stick_y > pads[port].MAIN_STICK_CENTER_Y + pads[port].THRESHOLD ||
|
||||
pads[port].stick_y < pads[port].MAIN_STICK_CENTER_Y - pads[port].THRESHOLD) {
|
||||
pads[port].axis = GCAdapter::PadAxes::StickY;
|
||||
pads[port].axis_value = pads[port].stick_y;
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
if (pads[port].substick_x > pads[port].C_STICK_CENTER_X + pads[port].THRESHOLD ||
|
||||
pads[port].substick_x < pads[port].C_STICK_CENTER_X - pads[port].THRESHOLD) {
|
||||
pads[port].axis = GCAdapter::PadAxes::SubstickX;
|
||||
pads[port].axis_value = pads[port].substick_x;
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
if (pads[port].substick_y > pads[port].C_STICK_CENTER_Y + pads[port].THRESHOLD ||
|
||||
pads[port].substick_y < pads[port].C_STICK_CENTER_Y - pads[port].THRESHOLD) {
|
||||
pads[port].axis = GCAdapter::PadAxes::SubstickY;
|
||||
pads[port].axis_value = pads[port].substick_y;
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
if (pads[port].trigger_left > pads[port].TRIGGER_THRESHOLD) {
|
||||
pads[port].axis = GCAdapter::PadAxes::TriggerLeft;
|
||||
pads[port].axis_value = pads[port].trigger_left;
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
if (pads[port].trigger_right > pads[port].TRIGGER_THRESHOLD) {
|
||||
pads[port].axis = GCAdapter::PadAxes::TriggerRight;
|
||||
pads[port].axis_value = pads[port].trigger_right;
|
||||
pad_queue[port].Push(pads[port]);
|
||||
}
|
||||
}
|
||||
PadToState(pads[port], state[port]);
|
||||
}
|
||||
std::this_thread::yield();
|
||||
}
|
||||
}
|
||||
|
||||
void Adapter::ScanThreadFunc() {
|
||||
LOG_INFO(Input, "GC Adapter scanning thread started");
|
||||
|
||||
while (detect_thread_running) {
|
||||
if (usb_adapter_handle == nullptr) {
|
||||
std::lock_guard<std::mutex> lk(initialization_mutex);
|
||||
Setup();
|
||||
}
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(500));
|
||||
}
|
||||
}
|
||||
|
||||
void Adapter::StartScanThread() {
|
||||
if (detect_thread_running) {
|
||||
return;
|
||||
}
|
||||
if (!libusb_ctx) {
|
||||
return;
|
||||
}
|
||||
|
||||
detect_thread_running = true;
|
||||
detect_thread = std::thread([=] { ScanThreadFunc(); });
|
||||
}
|
||||
|
||||
void Adapter::StopScanThread() {
|
||||
detect_thread_running = false;
|
||||
detect_thread.join();
|
||||
}
|
||||
|
||||
void Adapter::Setup() {
|
||||
// Reset the error status in case the adapter gets unplugged
|
||||
if (current_status < 0) {
|
||||
current_status = NO_ADAPTER_DETECTED;
|
||||
}
|
||||
|
||||
adapter_controllers_status.fill(ControllerTypes::None);
|
||||
|
||||
// pointer to list of connected usb devices
|
||||
libusb_device** devices;
|
||||
|
||||
// populate the list of devices, get the count
|
||||
const std::size_t device_count = libusb_get_device_list(libusb_ctx, &devices);
|
||||
|
||||
for (std::size_t index = 0; index < device_count; ++index) {
|
||||
if (CheckDeviceAccess(devices[index])) {
|
||||
// GC Adapter found and accessible, registering it
|
||||
GetGCEndpoint(devices[index]);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool Adapter::CheckDeviceAccess(libusb_device* device) {
|
||||
libusb_device_descriptor desc;
|
||||
const int get_descriptor_error = libusb_get_device_descriptor(device, &desc);
|
||||
if (get_descriptor_error) {
|
||||
// could not acquire the descriptor, no point in trying to use it.
|
||||
LOG_ERROR(Input, "libusb_get_device_descriptor failed with error: {}",
|
||||
get_descriptor_error);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (desc.idVendor != 0x057e || desc.idProduct != 0x0337) {
|
||||
// This isn't the device we are looking for.
|
||||
return false;
|
||||
}
|
||||
const int open_error = libusb_open(device, &usb_adapter_handle);
|
||||
|
||||
if (open_error == LIBUSB_ERROR_ACCESS) {
|
||||
LOG_ERROR(Input, "Yuzu can not gain access to this device: ID {:04X}:{:04X}.",
|
||||
desc.idVendor, desc.idProduct);
|
||||
return false;
|
||||
}
|
||||
if (open_error) {
|
||||
LOG_ERROR(Input, "libusb_open failed to open device with error = {}", open_error);
|
||||
return false;
|
||||
}
|
||||
|
||||
int kernel_driver_error = libusb_kernel_driver_active(usb_adapter_handle, 0);
|
||||
if (kernel_driver_error == 1) {
|
||||
kernel_driver_error = libusb_detach_kernel_driver(usb_adapter_handle, 0);
|
||||
if (kernel_driver_error != 0 && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
|
||||
LOG_ERROR(Input, "libusb_detach_kernel_driver failed with error = {}",
|
||||
kernel_driver_error);
|
||||
}
|
||||
}
|
||||
|
||||
if (kernel_driver_error && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
|
||||
libusb_close(usb_adapter_handle);
|
||||
usb_adapter_handle = nullptr;
|
||||
return false;
|
||||
}
|
||||
|
||||
const int interface_claim_error = libusb_claim_interface(usb_adapter_handle, 0);
|
||||
if (interface_claim_error) {
|
||||
LOG_ERROR(Input, "libusb_claim_interface failed with error = {}", interface_claim_error);
|
||||
libusb_close(usb_adapter_handle);
|
||||
usb_adapter_handle = nullptr;
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void Adapter::GetGCEndpoint(libusb_device* device) {
|
||||
libusb_config_descriptor* config = nullptr;
|
||||
libusb_get_config_descriptor(device, 0, &config);
|
||||
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) {
|
||||
input_endpoint = endpoint->bEndpointAddress;
|
||||
} else {
|
||||
output_endpoint = endpoint->bEndpointAddress;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
// This transfer seems to be responsible for clearing the state of the adapter
|
||||
// Used to clear the "busy" state of when the device is unexpectedly unplugged
|
||||
unsigned char clear_payload = 0x13;
|
||||
libusb_interrupt_transfer(usb_adapter_handle, output_endpoint, &clear_payload,
|
||||
sizeof(clear_payload), nullptr, 16);
|
||||
|
||||
adapter_thread_running = true;
|
||||
current_status = ADAPTER_DETECTED;
|
||||
adapter_input_thread = std::thread([=] { Read(); }); // Read input
|
||||
}
|
||||
|
||||
Adapter::~Adapter() {
|
||||
StopScanThread();
|
||||
Reset();
|
||||
}
|
||||
|
||||
void Adapter::Reset() {
|
||||
std::unique_lock<std::mutex> lock(initialization_mutex, std::defer_lock);
|
||||
if (!lock.try_lock()) {
|
||||
return;
|
||||
}
|
||||
if (current_status != ADAPTER_DETECTED) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (adapter_thread_running) {
|
||||
adapter_thread_running = false;
|
||||
}
|
||||
adapter_input_thread.join();
|
||||
|
||||
adapter_controllers_status.fill(ControllerTypes::None);
|
||||
current_status = NO_ADAPTER_DETECTED;
|
||||
|
||||
if (usb_adapter_handle) {
|
||||
libusb_release_interface(usb_adapter_handle, 1);
|
||||
libusb_close(usb_adapter_handle);
|
||||
usb_adapter_handle = nullptr;
|
||||
}
|
||||
|
||||
if (libusb_ctx) {
|
||||
libusb_exit(libusb_ctx);
|
||||
}
|
||||
}
|
||||
|
||||
bool Adapter::DeviceConnected(int port) {
|
||||
return adapter_controllers_status[port] != ControllerTypes::None;
|
||||
}
|
||||
|
||||
void Adapter::ResetDeviceType(int port) {
|
||||
adapter_controllers_status[port] = ControllerTypes::None;
|
||||
}
|
||||
|
||||
void Adapter::BeginConfiguration() {
|
||||
for (auto& pq : pad_queue) {
|
||||
pq.Clear();
|
||||
}
|
||||
configuring = true;
|
||||
}
|
||||
|
||||
void Adapter::EndConfiguration() {
|
||||
for (auto& pq : pad_queue) {
|
||||
pq.Clear();
|
||||
}
|
||||
configuring = false;
|
||||
}
|
||||
|
||||
std::array<Common::SPSCQueue<GCPadStatus>, 4>& Adapter::GetPadQueue() {
|
||||
return pad_queue;
|
||||
}
|
||||
|
||||
const std::array<Common::SPSCQueue<GCPadStatus>, 4>& Adapter::GetPadQueue() const {
|
||||
return pad_queue;
|
||||
}
|
||||
|
||||
std::array<GCState, 4>& Adapter::GetPadState() {
|
||||
return state;
|
||||
}
|
||||
|
||||
const std::array<GCState, 4>& Adapter::GetPadState() const {
|
||||
return state;
|
||||
}
|
||||
|
||||
} // namespace GCAdapter
|
||||
@ -0,0 +1,160 @@
|
||||
// Copyright 2014 Dolphin Emulator Project
|
||||
// Licensed under GPLv2+
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
#include <algorithm>
|
||||
#include <functional>
|
||||
#include <mutex>
|
||||
#include <thread>
|
||||
#include <libusb.h>
|
||||
#include "common/common_types.h"
|
||||
#include "common/threadsafe_queue.h"
|
||||
|
||||
namespace GCAdapter {
|
||||
|
||||
enum {
|
||||
PAD_USE_ORIGIN = 0x0080,
|
||||
PAD_GET_ORIGIN = 0x2000,
|
||||
PAD_ERR_STATUS = 0x8000,
|
||||
};
|
||||
|
||||
enum class PadButton {
|
||||
PAD_BUTTON_LEFT = 0x0001,
|
||||
PAD_BUTTON_RIGHT = 0x0002,
|
||||
PAD_BUTTON_DOWN = 0x0004,
|
||||
PAD_BUTTON_UP = 0x0008,
|
||||
PAD_TRIGGER_Z = 0x0010,
|
||||
PAD_TRIGGER_R = 0x0020,
|
||||
PAD_TRIGGER_L = 0x0040,
|
||||
PAD_BUTTON_A = 0x0100,
|
||||
PAD_BUTTON_B = 0x0200,
|
||||
PAD_BUTTON_X = 0x0400,
|
||||
PAD_BUTTON_Y = 0x0800,
|
||||
PAD_BUTTON_START = 0x1000,
|
||||
// Below is for compatibility with "AxisButton" type
|
||||
PAD_STICK = 0x2000,
|
||||
};
|
||||
|
||||
extern const std::array<PadButton, 12> PadButtonArray;
|
||||
|
||||
enum class PadAxes : u8 {
|
||||
StickX,
|
||||
StickY,
|
||||
SubstickX,
|
||||
SubstickY,
|
||||
TriggerLeft,
|
||||
TriggerRight,
|
||||
Undefined,
|
||||
};
|
||||
|
||||
struct GCPadStatus {
|
||||
u16 button{}; // Or-ed PAD_BUTTON_* and PAD_TRIGGER_* bits
|
||||
u8 stick_x{}; // 0 <= stick_x <= 255
|
||||
u8 stick_y{}; // 0 <= stick_y <= 255
|
||||
u8 substick_x{}; // 0 <= substick_x <= 255
|
||||
u8 substick_y{}; // 0 <= substick_y <= 255
|
||||
u8 trigger_left{}; // 0 <= trigger_left <= 255
|
||||
u8 trigger_right{}; // 0 <= trigger_right <= 255
|
||||
|
||||
static constexpr u8 MAIN_STICK_CENTER_X = 0x80;
|
||||
static constexpr u8 MAIN_STICK_CENTER_Y = 0x80;
|
||||
static constexpr u8 MAIN_STICK_RADIUS = 0x7f;
|
||||
static constexpr u8 C_STICK_CENTER_X = 0x80;
|
||||
static constexpr u8 C_STICK_CENTER_Y = 0x80;
|
||||
static constexpr u8 C_STICK_RADIUS = 0x7f;
|
||||
static constexpr u8 THRESHOLD = 10;
|
||||
|
||||
// 256/4, at least a quarter press to count as a press. For polling mostly
|
||||
static constexpr u8 TRIGGER_THRESHOLD = 64;
|
||||
|
||||
u8 port{};
|
||||
PadAxes axis{PadAxes::Undefined};
|
||||
u8 axis_value{255};
|
||||
};
|
||||
|
||||
struct GCState {
|
||||
std::unordered_map<int, bool> buttons;
|
||||
std::unordered_map<int, u16> axes;
|
||||
};
|
||||
|
||||
enum class ControllerTypes { None, Wired, Wireless };
|
||||
|
||||
enum {
|
||||
NO_ADAPTER_DETECTED = 0,
|
||||
ADAPTER_DETECTED = 1,
|
||||
};
|
||||
|
||||
class Adapter {
|
||||
public:
|
||||
/// Initialize the GC Adapter capture and read sequence
|
||||
Adapter();
|
||||
|
||||
/// Close the adapter read thread and release the adapter
|
||||
~Adapter();
|
||||
/// Used for polling
|
||||
void BeginConfiguration();
|
||||
void EndConfiguration();
|
||||
|
||||
std::array<Common::SPSCQueue<GCPadStatus>, 4>& GetPadQueue();
|
||||
const std::array<Common::SPSCQueue<GCPadStatus>, 4>& GetPadQueue() const;
|
||||
|
||||
std::array<GCState, 4>& GetPadState();
|
||||
const std::array<GCState, 4>& GetPadState() const;
|
||||
|
||||
private:
|
||||
GCPadStatus GetPadStatus(int port, const std::array<u8, 37>& adapter_payload);
|
||||
|
||||
void PadToState(const GCPadStatus& pad, GCState& state);
|
||||
|
||||
void Read();
|
||||
void ScanThreadFunc();
|
||||
/// Begin scanning for the GC Adapter.
|
||||
void StartScanThread();
|
||||
|
||||
/// Stop scanning for the adapter
|
||||
void StopScanThread();
|
||||
|
||||
/// Returns true if there is a device connected to port
|
||||
bool DeviceConnected(int port);
|
||||
|
||||
/// Resets status of device connected to port
|
||||
void ResetDeviceType(int port);
|
||||
|
||||
/// Returns true if we successfully gain access to GC Adapter
|
||||
bool CheckDeviceAccess(libusb_device* device);
|
||||
|
||||
/// Captures GC Adapter endpoint address,
|
||||
void GetGCEndpoint(libusb_device* device);
|
||||
|
||||
/// For shutting down, clear all data, join all threads, release usb
|
||||
void Reset();
|
||||
|
||||
/// For use in initialization, querying devices to find the adapter
|
||||
void Setup();
|
||||
|
||||
int current_status = NO_ADAPTER_DETECTED;
|
||||
libusb_device_handle* usb_adapter_handle = nullptr;
|
||||
std::array<ControllerTypes, 4> adapter_controllers_status{};
|
||||
|
||||
std::mutex s_mutex;
|
||||
|
||||
std::thread adapter_input_thread;
|
||||
bool adapter_thread_running;
|
||||
|
||||
std::mutex initialization_mutex;
|
||||
std::thread detect_thread;
|
||||
bool detect_thread_running = false;
|
||||
|
||||
libusb_context* libusb_ctx;
|
||||
|
||||
u8 input_endpoint = 0;
|
||||
u8 output_endpoint = 0;
|
||||
|
||||
bool configuring = false;
|
||||
|
||||
std::array<Common::SPSCQueue<GCPadStatus>, 4> pad_queue;
|
||||
std::array<GCState, 4> state;
|
||||
};
|
||||
|
||||
} // namespace GCAdapter
|
||||
@ -0,0 +1,272 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include <atomic>
|
||||
#include <list>
|
||||
#include <mutex>
|
||||
#include <utility>
|
||||
#include "common/threadsafe_queue.h"
|
||||
#include "input_common/gcadapter/gc_adapter.h"
|
||||
#include "input_common/gcadapter/gc_poller.h"
|
||||
|
||||
namespace InputCommon {
|
||||
|
||||
class GCButton final : public Input::ButtonDevice {
|
||||
public:
|
||||
explicit GCButton(int port_, int button_, GCAdapter::Adapter* adapter)
|
||||
: port(port_), button(button_), gcadapter(adapter) {}
|
||||
|
||||
~GCButton() override;
|
||||
|
||||
bool GetStatus() const override {
|
||||
return gcadapter->GetPadState()[port].buttons.at(button);
|
||||
}
|
||||
|
||||
private:
|
||||
const int port;
|
||||
const int button;
|
||||
GCAdapter::Adapter* gcadapter;
|
||||
};
|
||||
|
||||
class GCAxisButton final : public Input::ButtonDevice {
|
||||
public:
|
||||
explicit GCAxisButton(int port_, int axis_, float threshold_, bool trigger_if_greater_,
|
||||
GCAdapter::Adapter* adapter)
|
||||
: port(port_), axis(axis_), threshold(threshold_), trigger_if_greater(trigger_if_greater_),
|
||||
gcadapter(adapter) {
|
||||
// L/R triggers range is only in positive direction beginning near 0
|
||||
// 0.0 threshold equates to near half trigger press, but threshold accounts for variability.
|
||||
if (axis > 3) {
|
||||
threshold *= -0.5;
|
||||
}
|
||||
}
|
||||
|
||||
bool GetStatus() const override {
|
||||
const float axis_value = (gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 128.0f;
|
||||
if (trigger_if_greater) {
|
||||
// TODO: Might be worthwile to set a slider for the trigger threshold. It is currently
|
||||
// always set to 0.5 in configure_input_player.cpp ZL/ZR HandleClick
|
||||
return axis_value > threshold;
|
||||
}
|
||||
return axis_value < -threshold;
|
||||
}
|
||||
|
||||
private:
|
||||
const int port;
|
||||
const int axis;
|
||||
float threshold;
|
||||
bool trigger_if_greater;
|
||||
GCAdapter::Adapter* gcadapter;
|
||||
};
|
||||
|
||||
GCButtonFactory::GCButtonFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
|
||||
: adapter(std::move(adapter_)) {}
|
||||
|
||||
GCButton::~GCButton() = default;
|
||||
|
||||
std::unique_ptr<Input::ButtonDevice> GCButtonFactory::Create(const Common::ParamPackage& params) {
|
||||
const int button_id = params.Get("button", 0);
|
||||
const int port = params.Get("port", 0);
|
||||
|
||||
constexpr int PAD_STICK_ID = static_cast<u16>(GCAdapter::PadButton::PAD_STICK);
|
||||
|
||||
// button is not an axis/stick button
|
||||
if (button_id != PAD_STICK_ID) {
|
||||
auto button = std::make_unique<GCButton>(port, button_id, adapter.get());
|
||||
return std::move(button);
|
||||
}
|
||||
|
||||
// For Axis buttons, used by the binary sticks.
|
||||
if (button_id == PAD_STICK_ID) {
|
||||
const int axis = params.Get("axis", 0);
|
||||
const float threshold = params.Get("threshold", 0.25f);
|
||||
const std::string direction_name = params.Get("direction", "");
|
||||
bool trigger_if_greater;
|
||||
if (direction_name == "+") {
|
||||
trigger_if_greater = true;
|
||||
} else if (direction_name == "-") {
|
||||
trigger_if_greater = false;
|
||||
} else {
|
||||
trigger_if_greater = true;
|
||||
LOG_ERROR(Input, "Unknown direction {}", direction_name);
|
||||
}
|
||||
return std::make_unique<GCAxisButton>(port, axis, threshold, trigger_if_greater,
|
||||
adapter.get());
|
||||
}
|
||||
}
|
||||
|
||||
Common::ParamPackage GCButtonFactory::GetNextInput() {
|
||||
Common::ParamPackage params;
|
||||
GCAdapter::GCPadStatus pad;
|
||||
auto& queue = adapter->GetPadQueue();
|
||||
for (std::size_t port = 0; port < queue.size(); ++port) {
|
||||
while (queue[port].Pop(pad)) {
|
||||
// This while loop will break on the earliest detected button
|
||||
params.Set("engine", "gcpad");
|
||||
params.Set("port", static_cast<int>(port));
|
||||
for (const auto& button : GCAdapter::PadButtonArray) {
|
||||
const u16 button_value = static_cast<u16>(button);
|
||||
if (pad.button & button_value) {
|
||||
params.Set("button", button_value);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// For Axis button implementation
|
||||
if (pad.axis != GCAdapter::PadAxes::Undefined) {
|
||||
params.Set("axis", static_cast<u8>(pad.axis));
|
||||
params.Set("button", static_cast<u16>(GCAdapter::PadButton::PAD_STICK));
|
||||
if (pad.axis_value > 128) {
|
||||
params.Set("direction", "+");
|
||||
params.Set("threshold", "0.25");
|
||||
} else {
|
||||
params.Set("direction", "-");
|
||||
params.Set("threshold", "-0.25");
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return params;
|
||||
}
|
||||
|
||||
void GCButtonFactory::BeginConfiguration() {
|
||||
polling = true;
|
||||
adapter->BeginConfiguration();
|
||||
}
|
||||
|
||||
void GCButtonFactory::EndConfiguration() {
|
||||
polling = false;
|
||||
adapter->EndConfiguration();
|
||||
}
|
||||
|
||||
class GCAnalog final : public Input::AnalogDevice {
|
||||
public:
|
||||
GCAnalog(int port_, int axis_x_, int axis_y_, float deadzone_, GCAdapter::Adapter* adapter)
|
||||
: port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter) {}
|
||||
|
||||
float GetAxis(int axis) const {
|
||||
std::lock_guard lock{mutex};
|
||||
// division is not by a perfect 128 to account for some variance in center location
|
||||
// e.g. my device idled at 131 in X, 120 in Y, and full range of motion was in range
|
||||
// [20-230]
|
||||
return (gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 95.0f;
|
||||
}
|
||||
|
||||
std::pair<float, float> GetAnalog(int axis_x, int axis_y) const {
|
||||
float x = GetAxis(axis_x);
|
||||
float y = GetAxis(axis_y);
|
||||
|
||||
// Make sure the coordinates are in the unit circle,
|
||||
// otherwise normalize it.
|
||||
float r = x * x + y * y;
|
||||
if (r > 1.0f) {
|
||||
r = std::sqrt(r);
|
||||
x /= r;
|
||||
y /= r;
|
||||
}
|
||||
|
||||
return {x, y};
|
||||
}
|
||||
|
||||
std::tuple<float, float> GetStatus() const override {
|
||||
const auto [x, y] = GetAnalog(axis_x, axis_y);
|
||||
const float r = std::sqrt((x * x) + (y * y));
|
||||
if (r > deadzone) {
|
||||
return {x / r * (r - deadzone) / (1 - deadzone),
|
||||
y / r * (r - deadzone) / (1 - deadzone)};
|
||||
}
|
||||
return {0.0f, 0.0f};
|
||||
}
|
||||
|
||||
bool GetAnalogDirectionStatus(Input::AnalogDirection direction) const override {
|
||||
const auto [x, y] = GetStatus();
|
||||
const float directional_deadzone = 0.4f;
|
||||
switch (direction) {
|
||||
case Input::AnalogDirection::RIGHT:
|
||||
return x > directional_deadzone;
|
||||
case Input::AnalogDirection::LEFT:
|
||||
return x < -directional_deadzone;
|
||||
case Input::AnalogDirection::UP:
|
||||
return y > directional_deadzone;
|
||||
case Input::AnalogDirection::DOWN:
|
||||
return y < -directional_deadzone;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private:
|
||||
const int port;
|
||||
const int axis_x;
|
||||
const int axis_y;
|
||||
const float deadzone;
|
||||
mutable std::mutex mutex;
|
||||
GCAdapter::Adapter* gcadapter;
|
||||
};
|
||||
|
||||
/// An analog device factory that creates analog devices from GC Adapter
|
||||
GCAnalogFactory::GCAnalogFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
|
||||
: adapter(std::move(adapter_)) {}
|
||||
|
||||
/**
|
||||
* Creates analog device from joystick axes
|
||||
* @param params contains parameters for creating the device:
|
||||
* - "port": the nth gcpad on the adapter
|
||||
* - "axis_x": the index of the axis to be bind as x-axis
|
||||
* - "axis_y": the index of the axis to be bind as y-axis
|
||||
*/
|
||||
std::unique_ptr<Input::AnalogDevice> GCAnalogFactory::Create(const Common::ParamPackage& params) {
|
||||
const int port = params.Get("port", 0);
|
||||
const int axis_x = params.Get("axis_x", 0);
|
||||
const int axis_y = params.Get("axis_y", 1);
|
||||
const float deadzone = std::clamp(params.Get("deadzone", 0.0f), 0.0f, .99f);
|
||||
|
||||
return std::make_unique<GCAnalog>(port, axis_x, axis_y, deadzone, adapter.get());
|
||||
}
|
||||
|
||||
void GCAnalogFactory::BeginConfiguration() {
|
||||
polling = true;
|
||||
adapter->BeginConfiguration();
|
||||
}
|
||||
|
||||
void GCAnalogFactory::EndConfiguration() {
|
||||
polling = false;
|
||||
adapter->EndConfiguration();
|
||||
}
|
||||
|
||||
Common::ParamPackage GCAnalogFactory::GetNextInput() {
|
||||
GCAdapter::GCPadStatus pad;
|
||||
auto& queue = adapter->GetPadQueue();
|
||||
for (std::size_t port = 0; port < queue.size(); ++port) {
|
||||
while (queue[port].Pop(pad)) {
|
||||
if (pad.axis == GCAdapter::PadAxes::Undefined ||
|
||||
std::abs((pad.axis_value - 128.0f) / 128.0f) < 0.1) {
|
||||
continue;
|
||||
}
|
||||
// An analog device needs two axes, so we need to store the axis for later and wait for
|
||||
// a second input event. The axes also must be from the same joystick.
|
||||
const u8 axis = static_cast<u8>(pad.axis);
|
||||
if (analog_x_axis == -1) {
|
||||
analog_x_axis = axis;
|
||||
controller_number = port;
|
||||
} else if (analog_y_axis == -1 && analog_x_axis != axis && controller_number == port) {
|
||||
analog_y_axis = axis;
|
||||
}
|
||||
}
|
||||
}
|
||||
Common::ParamPackage params;
|
||||
if (analog_x_axis != -1 && analog_y_axis != -1) {
|
||||
params.Set("engine", "gcpad");
|
||||
params.Set("port", controller_number);
|
||||
params.Set("axis_x", analog_x_axis);
|
||||
params.Set("axis_y", analog_y_axis);
|
||||
analog_x_axis = -1;
|
||||
analog_y_axis = -1;
|
||||
controller_number = -1;
|
||||
return params;
|
||||
}
|
||||
return params;
|
||||
}
|
||||
|
||||
} // namespace InputCommon
|
||||
@ -0,0 +1,67 @@
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include "core/frontend/input.h"
|
||||
#include "input_common/gcadapter/gc_adapter.h"
|
||||
|
||||
namespace InputCommon {
|
||||
|
||||
/**
|
||||
* A button device factory representing a gcpad. It receives gcpad events and forward them
|
||||
* to all button devices it created.
|
||||
*/
|
||||
class GCButtonFactory final : public Input::Factory<Input::ButtonDevice> {
|
||||
public:
|
||||
explicit GCButtonFactory(std::shared_ptr<GCAdapter::Adapter> adapter_);
|
||||
|
||||
/**
|
||||
* Creates a button device from a button press
|
||||
* @param params contains parameters for creating the device:
|
||||
* - "code": the code of the key to bind with the button
|
||||
*/
|
||||
std::unique_ptr<Input::ButtonDevice> Create(const Common::ParamPackage& params) override;
|
||||
|
||||
Common::ParamPackage GetNextInput();
|
||||
|
||||
/// For device input configuration/polling
|
||||
void BeginConfiguration();
|
||||
void EndConfiguration();
|
||||
|
||||
bool IsPolling() const {
|
||||
return polling;
|
||||
}
|
||||
|
||||
private:
|
||||
std::shared_ptr<GCAdapter::Adapter> adapter;
|
||||
bool polling = false;
|
||||
};
|
||||
|
||||
/// An analog device factory that creates analog devices from GC Adapter
|
||||
class GCAnalogFactory final : public Input::Factory<Input::AnalogDevice> {
|
||||
public:
|
||||
explicit GCAnalogFactory(std::shared_ptr<GCAdapter::Adapter> adapter_);
|
||||
|
||||
std::unique_ptr<Input::AnalogDevice> Create(const Common::ParamPackage& params) override;
|
||||
Common::ParamPackage GetNextInput();
|
||||
|
||||
/// For device input configuration/polling
|
||||
void BeginConfiguration();
|
||||
void EndConfiguration();
|
||||
|
||||
bool IsPolling() const {
|
||||
return polling;
|
||||
}
|
||||
|
||||
private:
|
||||
std::shared_ptr<GCAdapter::Adapter> adapter;
|
||||
int analog_x_axis = -1;
|
||||
int analog_y_axis = -1;
|
||||
int controller_number = -1;
|
||||
bool polling = false;
|
||||
};
|
||||
|
||||
} // namespace InputCommon
|
||||
Loading…
Reference in New Issue