Re: Callback timing issue BULK TRANSFERS

Xiaofan Chen <[email protected]> Sat, 25 Jul 2015 23:16:35 +0800
Newsgroups gmane.comp.lib.libusb.devel.windows
Message-ID <CAGjSPUBsPU9L2eeR1XXY_eoxuvC=TV8gtQ-4+e4_5VPmo0o5Lw@mail.gmail.com>
On Wed, Jul 1, 2015 at 2:51 AM, gallegretto
<[email protected]> wrote:
>  Hi, I have an issue I can't explain.
>
> I submit two bulk transfers:
>
>    1. transfer OUT
>    2. transfer IN
>
> Tranafer IN is submitted only when transfer OUT is submitted successfully.
>
> Sometimes I enter in the callback of the transfer OUT after the callback of
> the transfer-IN....
> They have same buffer size.
>
> I am sending 1. and 2. continuously and I have this issue only with the
> first two transfers.
>
> If somebody can help thanks
>

I think you need to tell what is the library you are using and some
codes to show what you have done and ask more specific questions.


-- 
Xiaofan

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