On Thu, 16 Feb 2006, Peter Wippich wrote:
>
> Hi Olav,
>
> just a short question in between:
>
> where did you find anythin about completion code 0xf ???
For example:
[ 122.480000] td: f 8i2 0,64,64 0 101
^
>
> According to the ISP116x manual this doesn't exist (but is definitly used)
> ?????
Completion code in PTD remains 0xf if the transfers
corresponding to that PTD were NACKed by USB device. This is
typical for interrupt endpoints: they NACK if they have no
state change to report. For example a keyboard with no key
pressed.
Olav
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