Re: [Bluez-devel] Sony PS3 sixaxis & bluez

[Bastien Nocera <hadess@hadess.net>]

On Mon, 2007-11-26 at 07:15 +0100, Marcel Holtmann wrote:
> Hi Bastien,
> 
> > > With the current bluez-utils version (3.22 or CVS), the PS3 bluetooth 
> > > controller (Sixaxis) is
> > > not recognized.
> > 
> > The input service doesn't support device initiated connections. See:
> > http://thread.gmane.org/gmane.linux.bluez.devel/12584/focus=12614
> 
> please remember that hidd file format is different from the input file
> format. I am serious here. It is different.
> 
> > Haaa. Once I get the capabilities right in my sixaxis patch (I'll be
> > able to compare the hidd generated output with the one from my patch), I
> > think I'll be able to use udev to automatically add the device as
> > supported via Bluetooth once connected via USB.
> 
> I haven't spend any time on this, but here is how it should work. We
> need a udev rule that detects the PS3 controller and then runs an
> application.

That was always the plan for sixpair2.c

>  This application has to find the local Bluetooth adapter
> and get its BD_ADDR.

Not done yet, but low-prio (you need to pass it on the command-line
right now).

>  Then it has to read the adapter address and
> controller address stored in the controller. This should be done via
> hidraw (or if possible via hiddev), because otherwise you have to
> disconnect the controller from the HID driver.

That's a problem. hiddev.h has some info on how to get the report
descriptors, but more example code is sorely missing. That's not my main
concern right now though (I'll dig this up when I get the sixaxis
working...).

>  If the stored adapter
> address is not one of the local Bluetooth adapters it should change it
> and add an entry into the input file.

Nod.

>  For this entry it needs the HID
> report descriptor. Best is to read this via USB (since it can change
> with a new generation of the controller), but it could also be hardcoded
> since currently it is fixed.

OK.

sixpair2.c has a couple of bugs:
- country is wrong
- version is wrong
- report is missing 4 bytes

I guess the later is the most important one. Once I get this working to
some level, I'll have a look at using hiddev instead.

Cheers


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