linux-kernel - Re: [RFC PATCH] input: Add wiichuck driver

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Date:	Sun, 15 May 2011 15:17:39 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	simon@...gewell.org
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [RFC PATCH] input: Add wiichuck driver

On Thu, May 12, 2011 at 02:24:59AM -0400, simon@...gewell.org wrote:
> > This patch adds a driver for the Nintendo Nunchuck (wiimote accessory)
> > attached to an i2c bus via something like a wiichuck adapter board
> > from Sparkfun.
> >
> 
> I have not tested your driver, will try to find some time next week.
> 
> There are also a handful of devices which can be connected as such:
> http://www.wiibrew.org/wiki/Wiimote/Extension_Controllers
> 
> You might want to consider the possibility that the Nunchuck/Others are
> connected via a MotionPlus, in which case the data is interleaved with
> Gyro data.
> 
> Simon.
> 
> PS. If you're really cheap you can (ab)use the I2C DDC link of the VGA
> port to connect devices.... it's what I do :-)

Heh.  I've actually got it wired up to the i2c bus on a BeagleBoard from TI.

I've got a new version of the driver which I'll post when I get back
home and have a chance to properly test it.  I've implemented Nunchuck
and Classic Controller support so I could play with implementing
multiple protocols in a clean way (even though I don't actually have a
classic controller yet).  Motion Plus should be straight forward to
add, but I'll probably leave that as an exercise for somebody else.

g.

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