Re: Halting an endpoint

Greetings,

Does the pipe reset function work?  This is essentially a clear endpoint 
halt with data toggle reset.  In Windows there is a unique URB function 
for a pipe reset.  I think by constructing your own clear feature 
control request, you are bypassing this and any internal state 
information that might be maintained by it.

While it is defines in USB specs, setting an endpoint halt condition 
doesn't have any practical applications that I know of but try this 
followed by a reset pipe request (instead of rolling your own clear 
endpoint halt ctl transfer) and see if it works.

Regards,
Travis

On 5/20/2014 6:54 PM, Wander Lairson Costa wrote:
> 2014-05-20 17:08 GMT-03:00 Pete Batard <[email protected]>:
>> Hi Wander,
>>
> Hi Pete,
>
>> On 2014.05.20 17:13, Wander Lairson Costa wrote:
>>> As I think that is really hard two different code bases having exactly
>>> the same bug, I conclude that either I am missing something or there
>>> is an issue with Windows/Virtual Box.
>> I guess I'm gonna point the obvious: do you have any means to run the
>> same test on real Windows hardware?
>> Would be a sure way to eliminate the VM variable from the equation...
>>
> On the short term, I can't, as I don't have a machine with Windows
> available. But I will try to get one.
> BTW, the test firmware [1] is based on libusb benchmark fw. If someone
> wants to give it a try,
> just install the firmware on PIC DEM (I use a generic, compatible
> board), download PyUSB [2] and,
> from the test subdirectory, run the test_control.py and
> test_backend.py scripts, at this order.
>
> [1] https://github.com/walac/bmfw
>
> [2] https://github.com/walac/pyusb
>


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