DSU Client: Difference between revisions

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(Some updates, finished "Setting up" section. Remaining sections should be ready later today)
(Minor text fixes, finished the remaining sections)
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Since {{revision|5.0-11083}}, Dolphin can act as a client of the '''[https://v1993.github.io/cemuhook-protocol/ 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 normal buttons and axis data as well.
Since {{revision|5.0-11083}}, Dolphin can act as a client of the '''[https://v1993.github.io/cemuhook-protocol/ 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.


== DSU Server Applications ==
== DSU Server Applications ==
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=== Linux ===
=== Linux ===
As of {{revision|5.0-11083}}, motion axis of DualShock 3 and 4 controllers can be directly mapped in Dolphin through evdev input API. Additionally, the following servers are available:
As of {{revision|5.0-11083}}, motion axis of Wii Remotes, DualShock 3 and DualShock 4 controllers can be directly mapped in Dolphin through evdev input API. Additionally, the following servers are available:
* '''[https://github.com/TheDrHax/ds4drv-cemuhook ds4drv] (TheDrHax fork):''' compatible with all DualShock 4 controllers.
* '''[https://github.com/TheDrHax/ds4drv-cemuhook ds4drv] (TheDrHax fork):''' compatible with all DualShock 4 controllers.
* '''[https://github.com/v1993/linuxmotehook linuxmotehook]:''' compatible with Wii Remotes. Not recommended, as Dolphin can communicate directly with them.
* '''[https://github.com/v1993/linuxmotehook 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.


=== Windows ===
=== Windows ===
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* '''[https://github.com/FrogTheFrog/steam-gyro-for-cemuhook Steam Gyro for CemuHook]:''' compatible with Steam Controllers.
* '''[https://github.com/FrogTheFrog/steam-gyro-for-cemuhook Steam Gyro for CemuHook]:''' compatible with Steam Controllers.
* '''[https://github.com/nefarius/ScpToolkit ScpToolkit] (Nefarius fork, [https://github.com/rajkosto/ScpToolkit/releases 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.
* '''[https://github.com/nefarius/ScpToolkit ScpToolkit] (Nefarius fork, [https://github.com/rajkosto/ScpToolkit/releases 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.
* '''[https://forum.cemu.info/showthread.php/140-WiimoteHook-Nintendo-Wii-Remote-with-MotionPlus-Rumble-and-Nunchuk-support WiimoteHook]:''' compatible with Wii Remotes. Not recommended, as Dolphin can communicate directly with them.
* '''[https://forum.cemu.info/showthread.php/140-WiimoteHook-Nintendo-Wii-Remote-with-MotionPlus-Rumble-and-Nunchuk-support 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.


=== macOS ===
=== macOS ===
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=== Android ===
=== Android ===
* '''[https://files.sshnuke.net/net.sshnuke.dsu.MotionSource-1.1.2.apk rajkosto's MotionSource]:''' for Android devices, provides only motion data.
* '''[https://files.sshnuke.net/net.sshnuke.dsu.MotionSource-1.1.2.apk rajkosto's MotionSource]:''' for Android devices, provides only motion sensor data.


== Setting up ==
== Setting up ==
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# Go to Controller Settings => Alternate Input Sources.
# 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.
# 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 <code>DSUClient/x/xxxx</code> entries on the Devices drop-down menu.


If everything is working, you should now be able map button, axis and motion sensors of the input device normally.
== 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.


=== Regular buttons and axes ===
The configuration of regular button and axes are pretty much the same of the other input APIs:
# Select the corresponding <code>DSUClient/x/xxxx</code> entry 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.


== Using DSU Protocol in Dolphin ==
=== Motion sensors ===
To do
The configuration of motion sensors are mostly used on the "Motion Input" tab of Emulated Wii Remotes present in {{revision|5.0-11083}} and 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).
 
Additionally, if you're on Linux, you can completely skip the whole setup of DSU Server/Client and directly assign the motion sensor axes of DualShock 3 and 4 controllers by selecting the corresponding <code>evdev/x/xxxx</code> entry on the Devices drop-down menu, thanks to the Linux evdev API natively supporting those controllers.


== Troubleshooting ==
== Troubleshooting ==
To do
=== <code>DSUClient/x/xxxx</code> entries doesn't appear on Dolphin's Devices List ===
Assuming you've set up your DSU Server correctly, here's a common checklist:
* Did you enable DSU Client in Dolphin? (Controller Settings => Alternate Input Sources)
* Did you specify the correct server IP Address and server port on Dolphin?
* Have you checked if both the DSU Server application and Dolphin are whitelisted on your OS firewall?
* Is there any other DSU Client program running at the same time as Dolphin?
Additionally, on Windows, you can use the [https://files.sshnuke.net/PadTest_1011.zip 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'm using a DualShock 3 controller and button presses only register if I press the buttons hard ===
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).


[[Category:Tutorials]]
[[Category:Tutorials]]

Revision as of 06:35, 29 October 2019

Since 5.0-11083, Dolphin can act as a client of the 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.

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 5.0-11083 and newer.

Linux

As of 5.0-11083, motion axis of Wii Remotes, DualShock 3 and DualShock 4 controllers can be directly mapped in Dolphin through evdev input API. Additionally, the following servers are available:

  • 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.

Windows

  • 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.

macOS

No known servers.

Android

Setting up

DSU Server

  1. Download and install a suitable server application for your OS and input device.
  2. Follow the application instructions to connect your input device.
  3. 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.

Dolphin

  1. Make sure you're running Dolphin 5.0-11083 or newer.
  2. Go to Controller Settings => Alternate Input Sources.
  3. 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.

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.

Regular buttons and axes

The configuration of regular button and axes are pretty much the same of the other input APIs:

  1. Select the corresponding DSUClient/x/xxxx entry on the Devices drop-down menu.
  2. Click on the desired binding.
  3. 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.

Motion sensors

The configuration of motion sensors are mostly used on the "Motion Input" tab of Emulated Wii Remotes present in 5.0-11083 and 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).

Additionally, if you're on Linux, you can completely skip the whole setup of DSU Server/Client and directly assign the motion sensor axes of DualShock 3 and 4 controllers by selecting the corresponding evdev/x/xxxx entry on the Devices drop-down menu, thanks to the Linux evdev API natively supporting those controllers.

Troubleshooting

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:

  • Did you enable DSU Client in Dolphin? (Controller Settings => Alternate Input Sources)
  • Did you specify the correct server IP Address and server port on Dolphin?
  • Have you checked if both the DSU Server application and Dolphin are whitelisted on your OS firewall?
  • Is there any other DSU Client program running at the same time as Dolphin?

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'm using a DualShock 3 controller and button presses only register if I press the buttons hard

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).