Potential to support Hori PS4 controllers?

[bud-cc]

Disclaimer: I'm not a dev so I have no idea what the level of effort is for adding support for additional controllers, so feel free to ELI5 and tell me no.

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Request:

Would it be possible to add support for the wireless Hori PS4-133(A), officially licensed PS4 controller?

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Controller:

Hori made two versions of this controller; wired and wireless. The wireless version was only available in the Japanese market.

• Hori Wired Mini Gamepad | link to manual
• Hori Wireless Controller Light | link to manual

The controllers lack a traditional touch pad, but instead have a "touch pad" button and a "touch pad mode" button. Details on how it operates are available in the manual links provided above.

Equipped with touch pad button / touch pad mode button

It is possible to simulate the touchpad/touchpad button of the wireless controller (DUALSHOCK®4).

The controllers also lack multiple functions present in Sony DS4 controllers like vibration, motion sensing, headphone jacks or speakers.

*This product does not have a vibration function, motion sensor function, stereo headphone/microphone terminal, or speaker.

I'm unsure if less features would mean less work, or just more complications.

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Testing:

I've attempted connection using all of usual DS4 controller plugins, which is how I found yours, and the results are always the same.

• The controller is easily recognized and can be connected to via Settings>Devices>Bluetooth Devices
• The controllers name entry is HORI Wireless Controller Light
• The controller will connect but no commands sent from the controller are recognized at all.
• Tested on my PC and it works fine.
• FW is up to date per: "Wireless Controller Light for PlayStation®4" firmware update notice

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Conclusion:

• I feel like this would be the perfect companion controller for the Vita if it's possible to get it supported.
• I don't care much about the touch pad functionality, if that makes it any simpler.
• I only have one of these controllers available, but I'm willing to do any amount of leg work to help out.

[Hydr8gon]

I assume this controller works on PS4, so it's strange that it wouldn't work with the existing DS4 driver. The only thing I can suggest is to try rebooting after pairing, and letting the controller connect on its own; sometimes controllers don't work on the first pair for some reason.

Otherwise, supporting new controllers shouldn't be hard, as long as there's an existing open-source driver for reference. So far I haven't found anything for this particular controller, though.