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Wii under port accessible??

Posted by holy_artefact 
Wii under port accessible??
October 21, 2011 06:05AM
Is it possible to connect a microcontroller or external device to the port that is under the wii.
I want to make an homebrew application that will drive the external device that I will make.
What are the protocols? What are the pinouts?

Thanks for your anwser in advance.
Re: Wii under port accessible??
October 22, 2011 04:50AM
What port are you talking about?
Re: Wii under port accessible??
October 22, 2011 06:22AM
Ohh... My bad! I thought that it was a serial port like every console nintendo had but as I opened it, it was the coin battery holder.

Anyway I will change my question.
How to communicate with external devices.
Maybe I'll have to resign to use the USB connectors and make an homebrew application that use it.
Re: Wii under port accessible??
October 22, 2011 10:17AM
It really depends what you want to do. The USB functions in libogc basically match libusb, but if you want a low level interface there's also the gamecube memory card slots (known as EXI).
Re: Wii under port accessible??
October 24, 2011 03:34PM
I am making a multi console modding project, which is every major nintendo consoles from the NES to the Wii combined into one "box".
What I want is simply translate wiimote button presses into NES/SNES/N64 simulated controller button press.
So from my perspective, I want to play real NES games with my wiimote/gamecube controller.
I think I will go with Wiimote -> Wii (homebrew program) -> USB (libusb) -> Custom microcontroller -> NES control port -> NES.
The Gamecube memory card option is not good for me because I don't want to remove my memory cards when I play other consoles.

I am not familiar with the protocol of USB. Do you think I can send custom I/Os with the current version of libusb with the Wii?
Re: Wii under port accessible??
October 24, 2011 05:55PM
Sure, you can talk to any USB device as long as you know how it operates. A Teensy USB dev board would probably cost less than $20 and provides 25 I/O signals (or pay a bit more and get 46 I/Os).
Re: Wii under port accessible??
October 31, 2011 03:20AM
Re: Wii under port accessible??
October 31, 2011 08:14AM
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