mirror of
https://github.com/nefarius/ViGEmBus.git
synced 2025-08-10 00:52:17 +00:00
154 lines
4.4 KiB
C++
154 lines
4.4 KiB
C++
/*
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* Virtual Gamepad Emulation Framework - Windows kernel-mode bus driver
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*
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* MIT License
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*
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* Copyright (c) 2016-2020 Nefarius Software Solutions e.U. and Contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#pragma once
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#include "EmulationTargetPDO.hpp"
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#include <ViGEm/km/BusShared.h>
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namespace ViGEm::Bus::Targets
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{
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//
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// Represents a MAC address.
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//
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typedef struct _MAC_ADDRESS
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{
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UCHAR Vendor0;
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UCHAR Vendor1;
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UCHAR Vendor2;
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UCHAR Nic0;
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UCHAR Nic1;
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UCHAR Nic2;
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} MAC_ADDRESS, * PMAC_ADDRESS;
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constexpr unsigned char hid_get_report_id(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST* pReq)
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{
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return pReq->Value & 0xFF;
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}
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constexpr unsigned char hid_get_report_type(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST* pReq)
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{
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return (pReq->Value >> 8) & 0xFF;
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}
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class EmulationTargetDS4 : public Core::EmulationTargetPDO
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{
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public:
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EmulationTargetDS4(ULONG Serial, LONG SessionId, USHORT VendorId = 0x054C, USHORT ProductId = 0x05C4);
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~EmulationTargetDS4() = default;
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NTSTATUS PdoPrepareDevice(PWDFDEVICE_INIT DeviceInit,
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PUNICODE_STRING DeviceId,
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PUNICODE_STRING DeviceDescription) override;
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NTSTATUS PdoPrepareHardware() override;
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NTSTATUS PdoInitContext() override;
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VOID GetConfigurationDescriptorType(PUCHAR Buffer, ULONG Length) override;
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NTSTATUS UsbGetDeviceDescriptorType(PUSB_DEVICE_DESCRIPTOR pDescriptor) override;
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NTSTATUS SelectConfiguration(PURB Urb) override;
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void AbortPipe() override;
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NTSTATUS UsbClassInterface(PURB Urb) override;
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NTSTATUS UsbGetDescriptorFromInterface(PURB Urb) override;
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NTSTATUS UsbSelectInterface(PURB Urb) override;
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NTSTATUS UsbGetStringDescriptorType(PURB Urb) override;
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NTSTATUS UsbBulkOrInterruptTransfer(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer, WDFREQUEST Request) override;
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NTSTATUS UsbControlTransfer(PURB Urb) override;
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NTSTATUS SubmitReportImpl(PVOID NewReport) override;
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private:
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static EVT_WDF_TIMER PendingUsbRequestsTimerFunc;
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static VOID ReverseByteArray(PUCHAR Array, INT Length);
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static VOID GenerateRandomMacAddress(PMAC_ADDRESS Address);
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static PCWSTR _deviceDescription;
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static const int HID_REQUEST_GET_REPORT = 0x01;
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static const int HID_REQUEST_SET_REPORT = 0x09;
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static const int HID_REPORT_TYPE_FEATURE = 0x03;
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static const int HID_REPORT_ID_0 = 0xA3;
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static const int HID_REPORT_ID_1 = 0x02;
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static const int HID_REPORT_MAC_ADDRESSES_ID = 0x12;
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static const int HID_REPORT_ID_3 = 0x13;
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static const int HID_REPORT_ID_4 = 0x14;
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static const int DS4_DESCRIPTOR_SIZE = 0x0029;
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#if defined(_X86_)
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static const int DS4_CONFIGURATION_SIZE = 0x0050;
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#else
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static const int DS4_CONFIGURATION_SIZE = 0x0070;
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#endif
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static const int DS4_MANUFACTURER_NAME_LENGTH = 0x38;
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static const int DS4_PRODUCT_NAME_LENGTH = 0x28;
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static const int DS4_OUTPUT_BUFFER_OFFSET = 0x04;
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static const int DS4_OUTPUT_BUFFER_LENGTH = 0x05;
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static const int DS4_REPORT_SIZE = 0x40;
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static const int DS4_QUEUE_FLUSH_PERIOD = 0x05;
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//
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// HID Input Report buffer
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//
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UCHAR _Report[DS4_REPORT_SIZE];
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//
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// Output report cache
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//
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DS4_OUTPUT_REPORT _OutputReport;
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//
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// Timer for dispatching interrupt transfer
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//
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WDFTIMER _PendingUsbInRequestsTimer;
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//
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// Auto-generated MAC address of the target device
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//
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MAC_ADDRESS _TargetMacAddress;
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//
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// Default MAC address of the host (not used)
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//
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MAC_ADDRESS _HostMacAddress;
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};
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}
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