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cleanup check access, read, and factory GetNextInput funcs. Use size rather than magic number

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This commit is contained in:
Ameer 2020-06-23 17:37:15 -04:00
parent d4e07fd95e
commit 743e1f02a0
4 changed files with 101 additions and 151 deletions
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169
src/input_common/gcadapter/gc_adapter.cpp
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@ -21,57 +21,38 @@ Adapter::Adapter() {
StartScanThread();
}
GCPadStatus Adapter::CheckStatus(int port, const std::array<u8, 37>& adapter_payload) {
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)
if (type != ControllerTypes::None) {
get_origin = true;
}
adapter_controllers_status[port] = type;
constexpr std::array<PadButton, 8> b1_buttons{
PAD_BUTTON_A, PAD_BUTTON_B, PAD_BUTTON_X, PAD_BUTTON_Y,
PAD_BUTTON_LEFT, PAD_BUTTON_RIGHT, PAD_BUTTON_DOWN, PAD_BUTTON_UP};
constexpr std::array<PadButton, 4> b2_buttons{PAD_BUTTON_START, PAD_TRIGGER_Z, PAD_TRIGGER_R,
PAD_TRIGGER_L};
if (adapter_controllers_status[port] != ControllerTypes::None) {
u8 b1 = adapter_payload[1 + (9 * port) + 1];
u8 b2 = adapter_payload[1 + (9 * port) + 2];
const u8 b1 = adapter_payload[1 + (9 * port) + 1];
const u8 b2 = adapter_payload[1 + (9 * port) + 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;
for (int i = 0; i < b1_buttons.size(); i++) {
if (b1 & (1 << i)) {
pad.button |= b1_buttons[i];
}
}
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;
for (int j = 0; j < b2_buttons.size(); j++) {
if (b2 & (1 << j)) {
pad.button |= b2_buttons[j];
}
}
if (get_origin) {
@ -112,65 +93,65 @@ void Adapter::PadToState(const GCPadStatus& pad, GCState& state) {
void Adapter::Read() {
LOG_INFO(Input, "GC Adapter Read() thread started");
int payload_size_in, payload_size;
int payload_size_in, payload_size_copy;
std::array<u8, 37> adapter_payload;
std::array<u8, 37> controller_payload_copy;
std::array<GCPadStatus, 4> pad;
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, 32);
payload_size = 0;
payload_size_copy = 0;
{
std::lock_guard<std::mutex> lk(s_mutex);
std::copy(std::begin(adapter_payload), std::end(adapter_payload),
std::begin(controller_payload_copy));
payload_size = payload_size_in;
std::begin(adapter_payload_copy));
payload_size_copy = payload_size_in;
}
if (payload_size != sizeof(controller_payload_copy) ||
controller_payload_copy[0] != LIBUSB_DT_HID) {
if (payload_size_copy != sizeof(adapter_payload_copy) ||
adapter_payload_copy[0] != LIBUSB_DT_HID) {
// TODO: It might be worthwhile to Shutdown GC Adapter if we encounter errors here
LOG_ERROR(Input, "error reading payload (size: %d, type: %02x)", payload_size,
controller_payload_copy[0]);
LOG_ERROR(Input, "error reading payload (size: %d, type: %02x)", payload_size_copy,
adapter_payload_copy[0]);
} else {
for (int port = 0; port < 4; port++) {
pad[port] = CheckStatus(port, controller_payload_copy);
for (int port = 0; port < pads.size(); port++) {
pads[port] = GetPadStatus(port, adapter_payload_copy);
}
}
for (int port = 0; port < 4; port++) {
for (int port = 0; port < pads.size(); port++) {
if (DeviceConnected(port) && configuring) {
if (pad[port].button != PAD_GET_ORIGIN) {
pad_queue[port].Push(pad[port]);
if (pads[port].button != PAD_GET_ORIGIN) {
pad_queue[port].Push(pads[port]);
}
// Accounting for a threshold here because of some controller variance
if (pad[port].stick_x > pad[port].MAIN_STICK_CENTER_X + pad[port].THRESHOLD ||
pad[port].stick_x < pad[port].MAIN_STICK_CENTER_X - pad[port].THRESHOLD) {
pad[port].axis = GCAdapter::PadAxes::StickX;
pad[port].axis_value = pad[port].stick_x;
pad_queue[port].Push(pad[port]);
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 (pad[port].stick_y > pad[port].MAIN_STICK_CENTER_Y + pad[port].THRESHOLD ||
pad[port].stick_y < pad[port].MAIN_STICK_CENTER_Y - pad[port].THRESHOLD) {
pad[port].axis = GCAdapter::PadAxes::StickY;
pad[port].axis_value = pad[port].stick_y;
pad_queue[port].Push(pad[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 (pad[port].substick_x > pad[port].C_STICK_CENTER_X + pad[port].THRESHOLD ||
pad[port].substick_x < pad[port].C_STICK_CENTER_X - pad[port].THRESHOLD) {
pad[port].axis = GCAdapter::PadAxes::SubstickX;
pad[port].axis_value = pad[port].substick_x;
pad_queue[port].Push(pad[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 (pad[port].substick_y > pad[port].C_STICK_CENTER_Y + pad[port].THRESHOLD ||
pad[port].substick_y < pad[port].C_STICK_CENTER_Y - pad[port].THRESHOLD) {
pad[port].axis = GCAdapter::PadAxes::SubstickY;
pad[port].axis_value = pad[port].substick_y;
pad_queue[port].Push(pad[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]);
}
}
PadToState(pad[port], state[port]);
PadToState(pads[port], state[port]);
}
std::this_thread::yield();
}
@ -215,11 +196,11 @@ void Adapter::Setup() {
libusb_device** devs; // pointer to list of connected usb devices
int cnt = libusb_get_device_list(libusb_ctx, &devs); // get the list of devices
const int cnt = libusb_get_device_list(libusb_ctx, &devs); // get the list of devices
for (int i = 0; i < cnt; i++) {
if (CheckDeviceAccess(devs[i])) {
// GC Adapter found, registering it
// GC Adapter found and accessible, registering it
GetGCEndpoint(devs[i]);
break;
}
@ -228,10 +209,11 @@ void Adapter::Setup() {
bool Adapter::CheckDeviceAccess(libusb_device* device) {
libusb_device_descriptor desc;
int ret = libusb_get_device_descriptor(device, &desc);
if (ret) {
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: %d", ret);
LOG_ERROR(Input, "libusb_get_device_descriptor failed with error: %d",
get_descriptor_error);
return false;
}
@ -239,35 +221,36 @@ bool Adapter::CheckDeviceAccess(libusb_device* device) {
// This isn’t the device we are looking for.
return false;
}
ret = libusb_open(device, &usb_adapter_handle);
const int open_error = libusb_open(device, &usb_adapter_handle);
if (ret == LIBUSB_ERROR_ACCESS) {
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 (ret) {
LOG_ERROR(Input, "libusb_open failed to open device with error = %d", ret);
if (open_error) {
LOG_ERROR(Input, "libusb_open failed to open device with error = %d", open_error);
return false;
}
ret = libusb_kernel_driver_active(usb_adapter_handle, 0);
if (ret == 1) {
ret = libusb_detach_kernel_driver(usb_adapter_handle, 0);
if (ret != 0 && ret != LIBUSB_ERROR_NOT_SUPPORTED) {
LOG_ERROR(Input, "libusb_detach_kernel_driver failed with error = %d", ret);
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 = %d",
kernel_driver_error);
}
}
if (ret != 0 && ret != LIBUSB_ERROR_NOT_SUPPORTED) {
if (kernel_driver_error && kernel_driver_error != LIBUSB_ERROR_NOT_SUPPORTED) {
libusb_close(usb_adapter_handle);
usb_adapter_handle = nullptr;
return false;
}
ret = libusb_claim_interface(usb_adapter_handle, 0);
if (ret) {
LOG_ERROR(Input, "libusb_claim_interface failed with error = %d", ret);
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 = %d", interface_claim_error);
libusb_close(usb_adapter_handle);
usb_adapter_handle = nullptr;
return false;