feat(target): add 8BitDo Ultimate 2 Wireless controller emulation#544
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pastaq merged 5 commits intoShadowBlip:mainfrom Apr 1, 2026
Merged
feat(target): add 8BitDo Ultimate 2 Wireless controller emulation#544pastaq merged 5 commits intoShadowBlip:mainfrom
pastaq merged 5 commits intoShadowBlip:mainfrom
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Emulates the 8BitDo Ultimate 2 Wireless controller (DInput mode, VID=0x2DC8/PID=0x6012) as a UHID target device. - HID report structure derived from SDL_hidapi_8bitdo.c - Full button mapping including L4/R4/PL/PR back buttons - Gyroscope and accelerometer with coordinate rotation matching SDL - Rumble support via OutputEvent::Rumble routed through evdev FF - Add generic OutputEvent::Rumble variant and process_rumble handler in evdev gamepad source for direct magnitude-based rumble control
Allow the current session user to read/write the UHID hidraw node (VID=0x2DC8, PID=0x6012) so Steam can use the emulated device.
pastaq
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Mar 6, 2026
pastaq
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Mar 6, 2026
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Looks good. All try to give it a test some time next week once I'm home. If you haven't heard from me by Thursday morning feel free to ping me. |
ShadowApex
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Mar 11, 2026
pastaq
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Mar 26, 2026
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Tested on Legion Go S in Grid [2019]
ShadowApex
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Mar 26, 2026
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Some small comments, but otherwise looks good! Thanks for this!
Rename OutputEvent::Rumble to GenericRumble to align with the existing naming convention. Also implement rumble routing in DualSense, Legion Go, and Steam Deck source devices instead of silently ignoring the event.
ShadowApex
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Mar 28, 2026
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🎉 This PR is included in version 0.76.0 🎉 The release is available on:
Your semantic-release bot 📦🚀 |
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Adds a
8bitdo-u2target device that emulates the 8BitDo Ultimate 2 Wireless in DInput mode (VID=0x2DC8, PID=0x6012) via UHID.Steam uses SDL_hidapi_8bitdo.c to identify and parse this device by VID/PID, reading the 34-byte input report at fixed offsets. The HID report structure and IMU coordinate mapping are derived from that source.
Supported features:
To support rumble routing, this also adds
OutputEvent::Rumbleand aprocess_rumblehandler in the evdev gamepad source that keeps a single persistentFF_RUMBLEeffect alive and updates its magnitude in-place.A udev rule is included to grant hidraw access so Steam can open the virtual device without root.
Tested on MSI Claw 8 and GPD Win5 .