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Since DSU protocol (often referred as CemuHook Motion Provider protocol), which enables the emulator to receive motion and input data from compatible applications implementing the server-side part of the protocol. Those servers works as a middle-man between specific input devices and client applications like Dolphin in order to provide motion data not accessible through the other input APIs Dolphin supports, like DInput, XInput and SDL, although they also provide data from normal buttons and axes as well., Dolphin can act as a client of the
- 1 DSU Server Applications
- 2 Setting up
- 3 Using DSU devices in Dolphin
- 4 Troubleshooting
DSU Server Applications
A list of known servers are listed below. Any server not listed here that works with CemuHook should also work with Dolphin and newer.
- ds4drv (TheDrHax fork): compatible with all DualShock 4 controllers.
- linuxmotehook: compatible with Wii Remotes. For Wii titles, it's recommended to connect the Wii Remotes directly to Dolphin instead of using a DSU Server.
- DS4Windows (Ryochan7 fork): compatible with all DualShock 4 controllers.
- BetterJoyForCemu: compatible with Nintendo Switch Joy-Con and Pro Controllers.
- Steam Gyro for CemuHook: compatible with Steam Controllers.
- ScpToolkit (Nefarius fork, requires patching): compatible with DualShock 3 and older DualShock 4 controllers (model CUH-ZCT1x). Since ScpToolkit is unmaintained and has connectivity issues with the newer DualShock 4 controllers (model CUH-ZCT2x), its usage is recommended only with DualShock 3 controllers. For DualShock 4 controllers, use DS4Windows instead.
- WiimoteHook: compatible with Wii Remotes. For Wii titles, it's recommended to connect the Wii Remotes directly to Dolphin instead of using a DSU Server.
No known servers.
- rajkosto's MotionSource: for Android devices, provides only motion sensor data.
- Download and install a suitable server application for your OS and input device.
- Follow the application instructions to connect your input device.
- Depending of the application, manually enable the "UDP Server" option (or similar).
Also, take note of the IP Address and Port where the server will be listening. On most cases, they will default to IP 127.0.0.1 at port 26760 but this might be completely different, for example, when using an Android device as motion source.
- Make sure you're running Dolphin or newer.
- Go to Controller Settings => Alternate Input Sources.
- On the DSU Client tab, mark the "Enable" checkbox then enter the IP Address and Port where the server application is listening.
If everything is working, you should now see new
DSUClient/x/xxxx entries on the Devices drop-down menu shown on Emulated GameCube Controllers, Emulated Wii Remotes and Hotkey Settings windows.
Using DSU devices in Dolphin
After finishing the setup of the server and enabling the DSU Client on Dolphin, you can now bind the buttons, axes and motion sensors of the input devices in many places, including Emulated GameCube Controllers, Emulated Wii Remotes and even Hotkey Settings.
The configuration of regular button and axes are pretty much the same of the other input APIs:
- Select the corresponding
DSUClient/x/xxxxentry on the Devices drop-down menu.
- Click on the desired binding.
- Press the desired button / move the desired axis on the input device.
You can also right-click a binding to show advanced options and an existing binding can be quickly cleared with a middle-click.
The configuration of motion sensors are mostly used on the "Motion Input" tab of Emulated Wii Remotes present inand newer, although nothing prevents you from binding the motion sensor axes in other places as well. By default, the Accelerometer and Gyroscope bindings should be already populated with the matching axes from the DSU Server.
If they are blank (e.g. the current controller configuration was created by an older Dolphin version), you can manually assign the corresponding motion axes by right-clicking each binding and picking the corresponding axis on the end of the list or you can simply click on the Default button in the main window (but keep in mind this will reset all bindings in all tabs).
On Dolphinand newer, if the Accelerometer and Gyroscope bindings of the "Motion Input" tab of Emulated Wii Remotes are assigned correctly, the Wii Remote IR Pointer position will be derived from the motion sensors, thus dispensing the need for a sensor bar. To fine-tune the emulated pointer, you can assign a button to recenter the cursor when pressed and can also adjust the maximum rotation of the yaw axis through the bindings present on the "Point" section in the "Motion Input" tab of Emulated Wii Remotes. Also, starting with Dolphin , this feature can be manually disabled in case you still want to map the IR Pointer through the bindings of the "Motion Simulation" tab.
DSUClient/x/xxxx entries doesn't appear on Dolphin's Devices list
Assuming you've set up your DSU Server correctly, here's a common checklist:
- Is the DSU Server running?
- Did you enable the DSU Client in Dolphin?
- Did you specify the correct server IP Address and server port in Dolphin?
- Have you checked if both the DSU Server application and Dolphin are whitelisted on your OS firewall?
Additionally, on Windows, you can use the DSU Pad Test application to check if the DSU Server is communicating correctly. If no devices are detected on the DSU Pad Test, you should check your DSU Server settings before trying to use the input devices with Dolphin.
I can't reach the left/right sides of the screen with the emulated pointer
Increasing "Total Yaw" on the Motion Input tab of Emulated Wii Remotes should fix that. Keep in mind there isn't a correct value as the amount of yaw needed for the emulated pointer reach both sides of the screen varies a lot between different games, so finding a value that works with all games is somewhat impossible.
With the exception of the Start, Select, PS, L3 and R3, all DualShock 3 buttons are pressure sensitive. Different from the common input APIs, the amount of pressure being applied to each button is reported back to Dolphin as full analog buttons when accessing DualShock 3 controllers through DSU Protocol.
By default, Dolphin will register analog buttons as "pressed" when at least 50% of force is applied to them, but users can fine-tune that threshold individually by right-clicking each binding and adjusting the "Range" slider. For instance, setting the range to 200 will register the buttons as pressed when 25% of force is applied to them, and that value seems to provide a button press feedback very close of other controllers with digital-only face buttons (e.g. DualShock 4, Xbox, Joy-Con, Pro Controller, etc).