Re: [Libusb-win32-devel] lots of bugs (Carl Kenner)

[Carl K. <car...@gm...>]

Ah! That is great news...
But it doesn't explain why interrupt transfers are not working, since
I did claim the interface (using the Device Driver on Vista), and I
did use 0x81 as the endpoint (I even checked the list of endpoints to
make sure it was right).

Anyway, since I don't really need interrupt transfers, and I'm quite
happy to poll the device (it reports its state, not transitions, so
polling works fine), I'll try it without claiming the interface. I see
the code you sent doesn't claim the interface.

By the way, is it possible to send USB control messages without using
libusb-win32?

On 14/08/07, Xiaofan Chen <xia...@gm...> wrote:
> On 8/14/07, Carl Kenner <car...@gm...> wrote:
> > I can't use HID as a backend, because the windows HID isn't working.
> > Presumably because the SIXAXIS uses a malformed HID descriptor, and it
> > won't let me read this feature report. I'm reasonably confident the
> > device isn't a keyboard or mouse, it seems to just be a HID joystick
> > or gamepad. Reading the same feature report with libusb is easy. Once
> > I have read this feature report, the device will start sending input
> > reports to the computer, but before that it won't.
> >
> > Now all the other sixaxis drivers for windows use the libusb filter
> > driver to read this one feature report, while windows still sees it as
> > a gamepad. So it must work on some computers. But it doesn't work on
> > the computers I tested it on.
>
> I see. So it is a gamepad.
>
> Now I understand why your interrupt transfer will not work.
> You do need to claim the interface (use the device driver, set the
> configuration, claim the interface) in order for the interrupt transfer
> to work. You can try this.
>
> You do not need to claim the interface to get control transfer to work.
> Therefore you can use the filter driver. If I am not wrong, you do not
> need to (and probably you can not) set configuration since the
> HID driver has already done that and claim the interface. I am not
> 100% sure here though. You can try this.
>
> Google found this and maybe you can give it a try.
> http://www.bricklife.com/library/sixaxis-init.c
>
>
> Regards,
> Xiaofan
>
>
>
>
> Regards,
> Xiaofan
>
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