On Thu, Mar 14, 2013 at 11:07 PM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> On Sun, Mar 3, 2013 at 6:05 PM, Xiaofan Chen <xiaof...@gmail.com> wrote:
>> On Sun, Mar 3, 2013 at 6:55 AM, Wander Lairson Costa
>> <wander.lair...@gmail.com> wrote:
>>> 2013/3/2 Xiaofan Chen <xiaof...@gmail.com>:
>>>>> [1] https://github.com/walac/isochronous
>>>>>
>>>>> [2] https://github.com/walac/bmfw
>>>>
>>>> I am trying to build the isochronous test program at [1] under Mac OS
>>>> X but it failed. How to sort out the issue with strchrnul()?
>>>
>>> I just commited a patch that should fix this. Please pull and trying
>>> to build again.
>>
>> Thanks. Now it is okay.
>
> Then I tested your test program under Mac OS X with latest libusbx.git
> and your benchmark firmware with a Microchip PIC18F87J50 USB PIM,
> the results are a bit strange.
>

On the other hand, I have not really been able to get anything isochronous
working under Mac OS X with libusbx. I was using libusbdotnet as the
test program and the benchmark firmware or the Cypress Cystream
firmware which I tested under Windows using libusbK's kbench since
libusbx does not support isochronous transfer under Windows yet.

The issue could be with libusbdotnet under Mac OS X, or with
libusbx under Mac OS X. For example, issue #99 was there
for a long time. So it seems to me the isoc codes are not well
tested.

Have you been able to get the benchmark firmware to work
with the test program under Linux? There could be potential
issues with the benchmark firmware with regard to isoc
as well. The Cystream firmware I am using is a known-good
firmware though.


-- 
Xiaofan

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