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gc_adapter: Port code cleanup and feature updates from yuzu

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Streamlines the code and introduces fixes for the origin status of the controller along with adapter hotplug support

Co-Authored-By: Narr the Reg <5944268+german77@users.noreply.github.com>
Co-Authored-By: LC <712067+lioncash@users.noreply.github.com>
This commit is contained in:
ameerj 2021-03-08 18:50:16 -05:00
parent 05e28a53e8
commit 700fa6b96a
3 changed files with 390 additions and 320 deletions
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141
src/input_common/gcadapter/gc_adapter.h
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@ -17,27 +17,30 @@ struct libusb_context;
struct libusb_device;
struct libusb_device_handle;
namespace Common {
class ParamPackage;
}
namespace GCAdapter {
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,
Undefined = 0x0000,
ButtonLeft = 0x0001,
ButtonRight = 0x0002,
ButtonDown = 0x0004,
ButtonUp = 0x0008,
TriggerZ = 0x0010,
TriggerR = 0x0020,
TriggerL = 0x0040,
ButtonA = 0x0100,
ButtonB = 0x0200,
ButtonX = 0x0400,
ButtonY = 0x0800,
ButtonStart = 0x1000,
// Below is for compatibility with "AxisButton" type
PAD_STICK = 0x2000,
Stick = 0x2000,
};
extern const std::array<PadButton, 12> PadButtonArray;
enum class PadAxes : u8 {
StickX,
StickY,
@ -48,85 +51,103 @@ enum class PadAxes : u8 {
Undefined,
};
enum class ControllerTypes {
None,
Wired,
Wireless,
};
struct GCPadStatus {
u16 button{}; // Or-ed PAD_BUTTON_* and PAD_TRIGGER_* bits
std::size_t port{};
std::array<u8, 6> axis_values{}; // Triggers and sticks, following indices defined in PadAxes
static constexpr u8 THRESHOLD = 50; // Threshold for axis press for polling
PadButton button{PadButton::Undefined}; // Or-ed PAD_BUTTON_* and PAD_TRIGGER_* bits
u8 port{};
PadAxes axis{PadAxes::Undefined};
u8 axis_value{255};
s16 axis_value{};
u8 axis_threshold{50};
};
struct GCState {
std::unordered_map<int, bool> buttons;
std::unordered_map<int, u16> axes;
struct GCController {
ControllerTypes type{};
u16 buttons{};
PadButton last_button{};
std::array<s16, 6> axis_values{};
std::array<u8, 6> axis_origin{};
};
enum class ControllerTypes { None, Wired, Wireless };
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();
Common::SPSCQueue<GCPadStatus>& GetPadQueue();
const Common::SPSCQueue<GCPadStatus>& GetPadQueue() const;
GCController& GetPadState(std::size_t port);
const GCController& GetPadState(std::size_t port) const;
/// Returns true if there is a device connected to port
bool DeviceConnected(std::size_t port);
bool DeviceConnected(std::size_t port) const;
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;
int GetOriginValue(int port, int axis) const;
std::vector<Common::ParamPackage> GetInputDevices() const;
private:
GCPadStatus GetPadStatus(std::size_t port, const std::array<u8, 37>& adapter_payload);
using AdapterPayload = std::array<u8, 37>;
void PadToState(const GCPadStatus& pad, GCState& state);
void UpdatePadType(std::size_t port, ControllerTypes pad_type);
void UpdateControllers(const AdapterPayload& adapter_payload);
void UpdateSettings(std::size_t port);
void UpdateStateButtons(std::size_t port, u8 b1, u8 b2);
void UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload);
void Read();
void AdapterInputThread();
/// Resets status of device connected to port
void ResetDeviceType(std::size_t port);
void AdapterScanThread();
/// 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();
bool IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size);
/// For use in initialization, querying devices to find the adapter
void Setup();
/// Resets status of all GC controller devices to a disconnected state
void ResetDevices();
/// Resets status of device connected to a disconnected state
void ResetDevice(std::size_t port);
/// Returns true if we successfully gain access to GC Adapter
bool CheckDeviceAccess();
/// Captures GC Adapter endpoint address
/// Returns true if the endpoint was set correctly
bool GetGCEndpoint(libusb_device* device);
// Join all threads
void JoinThreads();
// Release usb handles
void ClearLibusbHandle();
libusb_device_handle* usb_adapter_handle = nullptr;
std::array<GCController, 4> pads;
Common::SPSCQueue<GCPadStatus> pad_queue;
std::thread adapter_input_thread;
bool adapter_thread_running;
std::thread adapter_scan_thread;
bool adapter_input_thread_running;
bool adapter_scan_thread_running;
bool restart_scan_thread;
libusb_context* libusb_ctx;
u8 input_endpoint = 0;
u8 output_endpoint = 0;
u8 input_endpoint{0};
u8 output_endpoint{0};
u8 input_error_counter{0};
bool configuring = false;
std::array<GCState, 4> state;
std::array<bool, 4> get_origin;
std::array<GCPadStatus, 4> origin_status;
std::array<Common::SPSCQueue<GCPadStatus>, 4> pad_queue;
std::array<ControllerTypes, 4> adapter_controllers_status{};
bool configuring{false};
};
} // namespace GCAdapter