Re: [Libusb-devel] libusb_bulk_transfer timeout (Win7 x64)

[michele.paolino <mic...@st...>]

On Tue, Jan 17, 2012 at 6:55 PM, Tim Roberts <ti...@pr...> wrote:

> michele.paolino wrote:
> >
> > About Cypress FX2, I have configured EP2 (and EP6) FIFO in AUTO mode.
> > I would like to be able to write to FX2 through EP2 and read through
> > EP6. I used as fw.c (the file that describes the framework) the
> > original one. In the other C File the only modified function is
> > TD_Init as below. Maybe I'm wrong, but I think that FX2 is properly
> > configured (I have read the manual thousands of times :-( ).
>
> "Auto" mode merely means that the packet will be sent as soon as there
> are enough bytes in the FIFO.  However, someone, somewhere still has to
> put bytes in the FIFO.  I don't see that you are doing that.  If you
> want to do loopback, then you have to have FX2 code that copies from the
> endpoint 2 FIFO into the endpoint 6 FIFO.
>

> > I have removed SYNCDELAY between every line to reduce the numbers of
> > lines:
>
> Remember that only certain registers need the SYNCDELAY.  The list is
> long, but it does not include every register.
>

I want to use FX2 to send and reveive packets between Pc and FPGA. For test
purposes I think that also loopback could be fine. I understood that Auto
mode give the possibility to send/receive packets automatically, without
the firmware aid...but clearly I'm wrong. So I'll take a look to my
firmware.
Thank you for your useful advices.


> --
> Tim Roberts, ti...@pr...
> Providenza & Boekelheide, Inc.
>
>
>
> ------------------------------------------------------------------------------
> Keep Your Developer Skills Current with LearnDevNow!
> The most comprehensive online learning library for Microsoft developers
> is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3,
> Metro Style Apps, more. Free future releases when you subscribe now!
> http://p.sf.net/sfu/learndevnow-d2d
> _______________________________________________
> Libusb-devel mailing list
> Lib...@li...
> https://lists.sourceforge.net/lists/listinfo/libusb-devel
>
>
>


-- 
Michele Paolino