Homebrew Project Testers wanted: BtEmbedded, a new bluetooth stack

Extrems · 2026-08-28T16:05:52+0100

Unfortunately that's just what the Wii U Pro Controller does.

niuus · 2026-08-28T16:06:02+0100

mudrik said:
Before I proceed with the mapping I need to ask this, though: are your sticks drifting? I notice in your logs that their rest position ranges between 0x7b7 and 0x7e0, while I'd expect the neutral value to be 0x7ff or 0x800.

I think it's what I jokingly call the "natural drift". Both work completely perfect, without any drift problem. Not sure how it works, but I tend to assume some software apps are coded so they add a standard deadzone, that sometimes you have the granular control to extend, for fixing controllers that are too worn out. All analog controllers that I have used over the years have this always-slightly-moving analog sticks.

mudrik · 2026-08-28T19:18:31+0100

niuus said:
I think it's what I jokingly call the "natural drift". Both work completely perfect, without any drift problem. Not sure how it works, but I tend to assume some software apps are coded so they add a standard deadzone, that sometimes you have the granular control to extend, for fixing controllers that are too worn out. All analog controllers that I have used over the years have this always-slightly-moving analog sticks.

Hi! I got a new version for you: https://github.com/embedded-game-controller/egc-sdl-test/releases/tag/0.3-wiiu5

Please test it, and let me know what works and what doesn't; I suspect that the joysticks's Y movement will be inverted, but who knows. Also, this controller should have a button on the sticks themselves (you can press them down), please send me the log when you press them. Oh, and I forgot to add the L3/R3 to the 3D model, so yeah, you won't see them -- I'll fix that in the next version.

niuus · 2026-08-28T22:15:44+0100

mudrik said:
Also, this controller should have a button on the sticks themselves (you can press them down), please send me the log when you press them

That was already sent on the zip file I attached.

Unless you are talking about this new version?

So, I ran 0.3-wiiu5. When it syncs the WUPC, the virtual controller shows up on screen, but after 2-3 seconds, it exits automatically.

mudrik · 2026-08-29T07:11:42+0100

niuus said:
That was already sent on the zip file I attached.

Unless you are talking about this new version?

Silly me, I thought that the L3/R3 were paddles under the controller

OK, if they are the stick buttons, then it's easier; I'll fix that.

niuus said:
So, I ran 0.3-wiiu5. When it syncs the WUPC, the virtual controller shows up on screen, but after 2-3 seconds, it exits automatically.

Mmmm... strange. Can you send me the logs? There might be indication of an error there. Also, the application quits when 4 buttons are pressed at the same time -- it may be that I'm not using the right offset for the button data and therefore assume that the buttons are pressed when they aren't.

niuus · 2026-08-29T08:26:33+0100

mudrik said:
Silly me, I thought that the L3/R3 were paddles under the controller OK, if they are the stick buttons, then it's easier; I'll fix that.

Mmmm... strange. Can you send me the logs? There might be indication of an error there. Also, the application quits when 4 buttons are pressed at the same time -- it may be that I'm not using the right offset for the button data and therefore assume that the buttons are pressed when they aren't.

Quick attach before I go sleep. This is what stays behind after it closes.

Homebrew Project Testers wanted: BtEmbedded, a new bluetooth stack

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