324 changes: 186 additions & 138 deletions Source/Core/InputCommon/GCAdapter.cpp
View file
Expand Up @@ -22,6 +22,7 @@
#include <jni.h>
#endif

#include "Common/BitUtils.h"
#include "Common/Event.h"
#include "Common/Flag.h"
#include "Common/Logging/Log.h"
Expand Down Expand Up @@ -55,24 +56,30 @@
namespace GCAdapter
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION

constexpr unsigned int USB_TIMEOUT_MS = 16;

static bool CheckDeviceAccess(libusb_device* device);
static void AddGCAdapter(libusb_device* device);
static void ResetRumbleLockNeeded();
#endif

static void Reset();
static void Setup();
static void Read();
static void Write();
static void ProcessInputPayload(const u8* data, std::size_t size);
static void ReadThreadFunc();
static void WriteThreadFunc();

#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
enum
enum class AdapterStatus
{
NO_ADAPTER_DETECTED = 0,
ADAPTER_DETECTED = 1,
NotDetected,
Detected,
Error,
};

// Current adapter status: detected/not detected/in error (libusb error codes are negative)
static std::atomic<int> s_status = NO_ADAPTER_DETECTED;
static std::atomic<AdapterStatus> s_status = AdapterStatus::NotDetected;
static std::atomic<libusb_error> s_adapter_error = LIBUSB_SUCCESS;
static libusb_device_handle* s_handle = nullptr;
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
// Java classes
Expand All @@ -89,19 +96,23 @@ enum class ControllerType : u8
Wireless = 2,
};

static std::array<ControllerType, SerialInterface::MAX_SI_CHANNELS> s_controller_type = {
ControllerType::None, ControllerType::None, ControllerType::None, ControllerType::None};
static std::array<u8, SerialInterface::MAX_SI_CHANNELS> s_controller_rumble{};
static std::array<u8, SerialInterface::MAX_SI_CHANNELS> s_controller_rumble;

constexpr size_t CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE = 37;
constexpr size_t CONTROLER_OUTPUT_INIT_PAYLOAD_SIZE = 1;
constexpr size_t CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE = 5;

static std::array<u8, CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE> s_controller_payload;
static std::array<u8, CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE> s_controller_payload_swap;
struct PortState
{
GCPadStatus origin = {};
GCPadStatus status = {};

ControllerType controller_type = ControllerType::None;
bool is_new_connection = false;
};

// Only access with s_mutex held!
static int s_controller_payload_size = {0};
static std::array<PortState, SerialInterface::MAX_SI_CHANNELS> s_port_states;

static std::array<u8, CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE> s_controller_write_payload;
static std::atomic<int> s_controller_write_payload_size{0};
Expand Down Expand Up @@ -145,11 +156,11 @@ static u8 s_endpoint_out = 0;
static u64 s_last_init = 0;

static std::optional<size_t> s_config_callback_id = std::nullopt;
static std::array<SerialInterface::SIDevices, SerialInterface::MAX_SI_CHANNELS>
s_config_si_device_type{};

static bool s_is_adapter_wanted = false;
static std::array<bool, SerialInterface::MAX_SI_CHANNELS> s_config_rumble_enabled{};

static void Read()
static void ReadThreadFunc()
{
Common::SetCurrentThreadName("GCAdapter Read Thread");
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter read thread started");
Expand Down Expand Up @@ -180,35 +191,34 @@ static void Read()
#endif

s_write_adapter_thread_running.Set(true);
s_write_adapter_thread = std::thread(Write);
s_write_adapter_thread = std::thread(WriteThreadFunc);

// Reset rumble once on initial reading
ResetRumble();

while (s_read_adapter_thread_running.IsSet())
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
std::array<u8, CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE> input_buffer;

int payload_size = 0;
const int error =
libusb_interrupt_transfer(s_handle, s_endpoint_in, s_controller_payload_swap.data(),
CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE, &payload_size, 16);
libusb_interrupt_transfer(s_handle, s_endpoint_in, input_buffer.data(),
int(input_buffer.size()), &payload_size, USB_TIMEOUT_MS);
if (error != LIBUSB_SUCCESS)
{
ERROR_LOG_FMT(CONTROLLERINTERFACE, "Read: libusb_interrupt_transfer failed: {}",
LibusbUtils::ErrorWrap(error));
}

ProcessInputPayload(input_buffer.data(), payload_size);

#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
const int payload_size = env->CallStaticIntMethod(s_adapter_class, input_func);
jbyte* const java_data = env->GetByteArrayElements(*java_controller_payload, nullptr);
std::copy(java_data, java_data + CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE,
s_controller_payload_swap.begin());
#endif
{
std::lock_guard<std::mutex> lk(s_read_mutex);
std::swap(s_controller_payload_swap, s_controller_payload);
s_controller_payload_size = payload_size;
}
#if GCADAPTER_USE_ANDROID_IMPLEMENTATION

ProcessInputPayload(reinterpret_cast<const u8*>(java_data), payload_size);

env->ReleaseByteArrayElements(*java_controller_payload, java_data, 0);

if (first_read)
Expand All @@ -225,7 +235,8 @@ static void Read()
if (s_write_adapter_thread_running.TestAndClear())
{
s_controller_write_payload_size.store(0);
s_write_happened.Set(); // Kick the waiting event
// Kick the waiting event
s_write_happened.Set();
s_write_adapter_thread.join();
}

Expand All @@ -237,7 +248,7 @@ static void Read()
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter read thread stopped");
}

static void Write()
static void WriteThreadFunc()
{
Common::SetCurrentThreadName("GCAdapter Write Thread");
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "GCAdapter write thread started");
Expand All @@ -257,8 +268,9 @@ static void Write()
if (write_size)
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
const int error = libusb_interrupt_transfer(
s_handle, s_endpoint_out, s_controller_write_payload.data(), write_size, &size, 16);
const int error =
libusb_interrupt_transfer(s_handle, s_endpoint_out, s_controller_write_payload.data(),
write_size, &size, USB_TIMEOUT_MS);
if (error != LIBUSB_SUCCESS)
{
ERROR_LOG_FMT(CONTROLLERINTERFACE, "Write: libusb_interrupt_transfer failed: {}",
Expand All @@ -269,7 +281,7 @@ static void Write()
jbyte* const jrumble = env->GetByteArrayElements(jrumble_array, nullptr);

{
std::lock_guard<std::mutex> lk(s_write_mutex);
std::lock_guard lk(s_write_mutex);
memcpy(jrumble, s_controller_write_payload.data(), write_size);
}

Expand Down Expand Up @@ -300,9 +312,9 @@ static int HotplugCallback(libusb_context* ctx, libusb_device* dev, libusb_hotpl
Reset();

// Reset a potential error status now that the adapter is unplugged
if (s_status < 0)
if (s_status == AdapterStatus::Error)
{
s_status = NO_ADAPTER_DETECTED;
s_status = AdapterStatus::NotDetected;
if (s_detect_callback != nullptr)
s_detect_callback();
}
Expand Down Expand Up @@ -347,7 +359,7 @@ static void ScanThreadFunc()
{
if (s_handle == nullptr)
{
std::lock_guard<std::mutex> lk(s_init_mutex);
std::lock_guard lk(s_init_mutex);
Setup();
}

Expand Down Expand Up @@ -383,9 +395,12 @@ void SetAdapterCallback(std::function<void(void)> func)

static void RefreshConfig()
{
s_is_adapter_wanted = false;

for (int i = 0; i < SerialInterface::MAX_SI_CHANNELS; ++i)
{
s_config_si_device_type[i] = Config::Get(Config::GetInfoForSIDevice(i));
s_is_adapter_wanted |= Config::Get(Config::GetInfoForSIDevice(i)) ==
SerialInterface::SIDevices::SIDEVICE_WIIU_ADAPTER;
s_config_rumble_enabled[i] = Config::Get(Config::GetInfoForAdapterRumble(i));
}
}
Expand All @@ -411,7 +426,8 @@ void Init()
}

#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
s_status = NO_ADAPTER_DETECTED;
s_status = AdapterStatus::NotDetected;
s_adapter_error = LIBUSB_SUCCESS;
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
JNIEnv* const env = IDCache::GetEnvForThread();

Expand Down Expand Up @@ -453,13 +469,13 @@ void StopScanThread()
static void Setup()
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
const int prev_status = s_status;
const AdapterStatus prev_status = s_status;

// Reset the error status in case the adapter gets unplugged
if (s_status < 0)
s_status = NO_ADAPTER_DETECTED;
if (s_status == AdapterStatus::Error)
s_status = AdapterStatus::NotDetected;

s_controller_type.fill(ControllerType::None);
s_port_states.fill({});
s_controller_rumble.fill(0);

const int ret = s_libusb_context->GetDeviceList([](libusb_device* device) {
Expand All @@ -474,7 +490,8 @@ static void Setup()
if (ret != LIBUSB_SUCCESS)
WARN_LOG_FMT(CONTROLLERINTERFACE, "Failed to get device list: {}", LibusbUtils::ErrorWrap(ret));

if (s_status != ADAPTER_DETECTED && prev_status != s_status && s_detect_callback != nullptr)
if (s_status != AdapterStatus::Detected && prev_status != s_status &&
s_detect_callback != nullptr)
s_detect_callback();
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
s_fd = 0;
Expand All @@ -485,7 +502,7 @@ static void Setup()
s_read_adapter_thread.join();

s_read_adapter_thread_running.Set(true);
s_read_adapter_thread = std::thread(Read);
s_read_adapter_thread = std::thread(ReadThreadFunc);
#endif
}

Expand All @@ -512,7 +529,10 @@ static bool CheckDeviceAccess(libusb_device* device)
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; });
Common::ScopeGuard status_guard([&ret] {
s_adapter_error = static_cast<libusb_error>(ret);
s_status = AdapterStatus::Error;
});

const u8 bus = libusb_get_bus_number(device);
const u8 port = libusb_get_device_address(device);
Expand Down Expand Up @@ -616,18 +636,19 @@ static void AddGCAdapter(libusb_device* device)

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);
const int error =
libusb_interrupt_transfer(s_handle, s_endpoint_out, payload.data(),
CONTROLER_OUTPUT_INIT_PAYLOAD_SIZE, &size, USB_TIMEOUT_MS);
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_read_adapter_thread = std::thread(ReadThreadFunc);

s_status = ADAPTER_DETECTED;
s_status = AdapterStatus::Detected;
if (s_detect_callback != nullptr)
s_detect_callback();
ResetRumbleLockNeeded();
Expand All @@ -647,7 +668,7 @@ void Shutdown()

#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
s_libusb_context.reset();
s_status = NO_ADAPTER_DETECTED;
s_status = AdapterStatus::NotDetected;
#endif

if (s_config_callback_id)
Expand All @@ -660,10 +681,10 @@ void Shutdown()
static void Reset()
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
std::unique_lock<std::mutex> lock(s_init_mutex, std::defer_lock);
std::unique_lock lock(s_init_mutex, std::defer_lock);
if (!lock.try_lock())
return;
if (s_status != ADAPTER_DETECTED)
if (s_status != AdapterStatus::Detected)
return;
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
if (!s_detected)
Expand All @@ -674,10 +695,10 @@ static void Reset()
s_read_adapter_thread.join();
// The read thread will close the write thread

s_controller_type.fill(ControllerType::None);
s_port_states.fill({});

#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
s_status = NO_ADAPTER_DETECTED;
s_status = AdapterStatus::NotDetected;

if (s_handle)
{
Expand Down Expand Up @@ -706,133 +727,159 @@ GCPadStatus Input(int chan)
return {};

#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
if (s_handle == nullptr || s_status != ADAPTER_DETECTED)
if (s_handle == nullptr || s_status != AdapterStatus::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 lk(s_read_mutex);

auto& pad_state = s_port_states[chan];

// Return the "origin" state for the first input on a new connection.
if (pad_state.is_new_connection)
{
std::lock_guard<std::mutex> lk(s_read_mutex);
controller_payload_copy = s_controller_payload;
payload_size = s_controller_payload_size;
pad_state.is_new_connection = false;
return pad_state.origin;
}

GCPadStatus pad = {};
if (payload_size != CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE
return pad_state.status;
}

// Get ControllerType from first byte in input payload.
ControllerType IdentifyControllerType(u8 data)
{
if (Common::ExtractBit<4>(data))
return ControllerType::Wired;

if (Common::ExtractBit<5>(data))
return ControllerType::Wireless;

return ControllerType::None;
}

void ProcessInputPayload(const u8* data, std::size_t size)
{
if (size != CONTROLER_INPUT_PAYLOAD_EXPECTED_SIZE
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
|| controller_payload_copy[0] != LIBUSB_DT_HID
|| data[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]);
ERROR_LOG_FMT(CONTROLLERINTERFACE, "error reading payload (size: {}, type: {:02x})", size,
data[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)
std::lock_guard lk(s_read_mutex);

for (int chan = 0; chan != SerialInterface::MAX_SI_CHANNELS; ++chan)
{
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "New device connected to Port {} of Type: {:02x}",
chan + 1, controller_payload_copy[1 + (9 * chan)]);
get_origin = true;
}
const u8* const channel_data = &data[1 + (9 * chan)];

s_controller_type[chan] = type;
const auto type = IdentifyControllerType(channel_data[0]);

auto& pad_state = s_port_states[chan];

GCPadStatus pad = {};

if (type != ControllerType::None)
{
const u8 b1 = channel_data[1];
const u8 b2 = channel_data[2];

if (Common::ExtractBit<0>(b1))
pad.button |= PAD_BUTTON_A;
if (Common::ExtractBit<1>(b1))
pad.button |= PAD_BUTTON_B;
if (Common::ExtractBit<2>(b1))
pad.button |= PAD_BUTTON_X;
if (Common::ExtractBit<3>(b1))
pad.button |= PAD_BUTTON_Y;

if (Common::ExtractBit<4>(b1))
pad.button |= PAD_BUTTON_LEFT;
if (Common::ExtractBit<5>(b1))
pad.button |= PAD_BUTTON_RIGHT;
if (Common::ExtractBit<6>(b1))
pad.button |= PAD_BUTTON_DOWN;
if (Common::ExtractBit<7>(b1))
pad.button |= PAD_BUTTON_UP;

if (Common::ExtractBit<0>(b2))
pad.button |= PAD_BUTTON_START;
if (Common::ExtractBit<1>(b2))
pad.button |= PAD_TRIGGER_Z;
if (Common::ExtractBit<2>(b2))
pad.button |= PAD_TRIGGER_R;
if (Common::ExtractBit<3>(b2))
pad.button |= PAD_TRIGGER_L;

pad.stickX = channel_data[3];
pad.stickY = channel_data[4];
pad.substickX = channel_data[5];
pad.substickY = channel_data[6];
pad.triggerLeft = channel_data[7];
pad.triggerRight = channel_data[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;
}

if (type != ControllerType::None && pad_state.controller_type == ControllerType::None)
{
NOTICE_LOG_FMT(CONTROLLERINTERFACE, "New device connected to Port {} of Type: {:02x}",
chan + 1, channel_data[0]);

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_state.origin = pad;
pad_state.is_new_connection = true;
}

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;
pad_state.controller_type = type;
pad_state.status = pad;
}
}

return pad;
}

bool DeviceConnected(int chan)
{
return s_controller_type[chan] != ControllerType::None;
std::lock_guard lk(s_read_mutex);
return s_port_states[chan].controller_type != ControllerType::None;
}

void ResetDeviceType(int chan)
{
s_controller_type[chan] = ControllerType::None;
std::lock_guard lk(s_read_mutex);
s_port_states[chan].controller_type = 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;
});
return s_is_adapter_wanted;
}

void ResetRumble()
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
std::unique_lock<std::mutex> lock(s_init_mutex, std::defer_lock);
std::unique_lock 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);
std::lock_guard lk(s_write_mutex);
s_controller_write_payload = rumble;
s_controller_write_payload_size.store(CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE);
}
Expand All @@ -845,7 +892,7 @@ void ResetRumble()
// being called while the libusb state is being reset
static void ResetRumbleLockNeeded()
{
if (!UseAdapter() || (s_handle == nullptr || s_status != ADAPTER_DETECTED))
if (!UseAdapter() || (s_handle == nullptr || s_status != AdapterStatus::Detected))
{
return;
}
Expand All @@ -857,8 +904,9 @@ static void ResetRumbleLockNeeded()
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);
const int error =
libusb_interrupt_transfer(s_handle, s_endpoint_out, rumble.data(),
CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE, &size, USB_TIMEOUT_MS);
if (error != LIBUSB_SUCCESS)
{
WARN_LOG_FMT(CONTROLLERINTERFACE, "ResetRumbleLockNeeded: libusb_interrupt_transfer failed: {}",
Expand All @@ -884,15 +932,15 @@ void Output(int chan, u8 rumble_command)

// 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_port_states[chan].controller_type != 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);
std::lock_guard lk(s_write_mutex);
#endif
s_controller_write_payload = rumble;
s_controller_write_payload_size.store(CONTROLER_OUTPUT_RUMBLE_PAYLOAD_SIZE);
Expand All @@ -904,16 +952,16 @@ void Output(int chan, u8 rumble_command)
bool IsDetected(const char** error_message)
{
#if GCADAPTER_USE_LIBUSB_IMPLEMENTATION
if (s_status >= 0)
if (s_status != AdapterStatus::Error)
{
if (error_message)
*error_message = nullptr;

return s_status == ADAPTER_DETECTED;
return s_status == AdapterStatus::Detected;
}

if (error_message)
*error_message = libusb_strerror(static_cast<libusb_error>(s_status.load()));
*error_message = libusb_strerror(s_adapter_error.load());

return false;
#elif GCADAPTER_USE_ANDROID_IMPLEMENTATION
Expand Down
4 changes: 4 additions & 0 deletions Source/Core/InputCommon/GCAdapter.h
View file
Expand Up @@ -17,7 +17,11 @@ void Shutdown();
void SetAdapterCallback(std::function<void(void)> func);
void StartScanThread();
void StopScanThread();

// Buttons have PAD_GET_ORIGIN set on new connection
// Netplay and CSIDevice_GCAdapter make use of this.
GCPadStatus Input(int chan);

void Output(int chan, u8 rumble_command);
bool IsDetected(const char** error_message);
bool DeviceConnected(int chan);
Expand Down