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author | Fernando S <fsahmkow27@gmail.com> | 2021-11-27 11:52:08 +0100 |
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committer | GitHub <noreply@github.com> | 2021-11-27 11:52:08 +0100 |
commit | 564f10527745f870621c08bbb5d16badee0ed861 (patch) | |
tree | e8ac8dee60086facf1837393882865f5df18c95e /src/input_common/drivers/gc_adapter.h | |
parent | Merge pull request #7431 from liushuyu/fix-linux-decoding (diff) | |
parent | config: Remove vibration configuration (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/input_common/drivers/gc_adapter.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/input_common/drivers/gc_adapter.h b/src/input_common/drivers/gc_adapter.h new file mode 100644 index 000000000..8dc51d2e5 --- /dev/null +++ b/src/input_common/drivers/gc_adapter.h @@ -0,0 +1,135 @@ +// Copyright 2014 Dolphin Emulator Project +// Licensed under GPLv2+ +// Refer to the license.txt file included. + +#pragma once + +#include <array> +#include <memory> +#include <mutex> +#include <stop_token> +#include <string> +#include <thread> + +#include "input_common/input_engine.h" + +struct libusb_context; +struct libusb_device; +struct libusb_device_handle; + +namespace InputCommon { + +class LibUSBContext; +class LibUSBDeviceHandle; + +class GCAdapter : public InputCommon::InputEngine { +public: + explicit GCAdapter(const std::string& input_engine_); + ~GCAdapter(); + + Common::Input::VibrationError SetRumble( + const PadIdentifier& identifier, const Common::Input::VibrationStatus vibration) override; + + /// Used for automapping features + std::vector<Common::ParamPackage> GetInputDevices() const override; + ButtonMapping GetButtonMappingForDevice(const Common::ParamPackage& params) override; + AnalogMapping GetAnalogMappingForDevice(const Common::ParamPackage& params) override; + Common::Input::ButtonNames GetUIName(const Common::ParamPackage& params) const override; + +private: + enum class PadButton { + 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, + }; + + enum class PadAxes : u8 { + StickX, + StickY, + SubstickX, + SubstickY, + TriggerLeft, + TriggerRight, + Undefined, + }; + + enum class ControllerTypes { + None, + Wired, + Wireless, + }; + + struct GCController { + ControllerTypes type = ControllerTypes::None; + PadIdentifier identifier{}; + bool enable_vibration = false; + u8 rumble_amplitude{}; + std::array<u8, 6> axis_origin{}; + u8 reset_origin_counter{}; + }; + + using AdapterPayload = std::array<u8, 37>; + + void UpdatePadType(std::size_t port, ControllerTypes pad_type); + void UpdateControllers(const AdapterPayload& adapter_payload); + void UpdateStateButtons(std::size_t port, u8 b1, u8 b2); + void UpdateStateAxes(std::size_t port, const AdapterPayload& adapter_payload); + + void AdapterInputThread(std::stop_token stop_token); + + void AdapterScanThread(std::stop_token stop_token); + + bool IsPayloadCorrect(const AdapterPayload& adapter_payload, s32 payload_size); + + /// For use in initialization, querying devices to find the adapter + bool Setup(); + + /// 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); + + /// Returns true if there is a device connected to port + bool DeviceConnected(std::size_t port) const; + + /// For shutting down, clear all data, join all threads, release usb + void Reset(); + + void UpdateVibrations(); + + /// Updates vibration state of all controllers + void SendVibrations(); + + Common::Input::ButtonNames GetUIButtonName(const Common::ParamPackage& params) const; + + std::unique_ptr<LibUSBDeviceHandle> usb_adapter_handle; + std::array<GCController, 4> pads; + + std::jthread adapter_input_thread; + std::jthread adapter_scan_thread; + bool restart_scan_thread{}; + + std::unique_ptr<LibUSBContext> libusb_ctx; + + u8 input_endpoint{0}; + u8 output_endpoint{0}; + u8 input_error_counter{0}; + u8 output_error_counter{0}; + int vibration_counter{0}; + + bool rumble_enabled{true}; + bool vibration_changed{true}; +}; +} // namespace InputCommon |