In the devio.c,
I have added a case to return the speed and other descriptors,
call :
ret = usb_control_msg(pRootHub, usb_sndctrlpipe(pRootHub, 0),
USB_REQ_CLEAR_FEATURE, USB_RT_PORT, USB_PORT_FEAT_POWER,
port_num + 1, NULL, 0, HZ);
The above call is returning err : -32 EPIPE.
The above call is working file for the rear port while the same is not
working for the fromt port.
Anythig am I missing ? I am testing it for mass stoage device...
Any inputs ? ,,,,,
On Tue, Jun 23, 2009 at 6:57 PM, Prabhu
Chawandi<prabhu.chavandi@xxxxxxxxx> wrote:
> Hi all,
>
> I ma not able to read the USB descriptor and speeed, while I can
> read and write into the storage device..
>
> What might be the reason for that ?
>
> regards,
> Prabhu
>
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