On Fri, Sep 28, 2012 at 10:13:27AM +0200, Thomas Jarosch wrote:
> On Friday, 28. September 2012 10:09:29 Rogier Wolff wrote:
> > On Fri, Sep 28, 2012 at 09:33:55AM +0200, Thomas Jarosch wrote:
> > > Hi Thomas
> > >
> > > On Friday, 28. September 2012 09:07:06 Thomas Heller wrote:
> > > > So, the question is: Is it possible to clear the ft2232h output fifo?
> > >
> > > ftdi_usb_purge_tx_buffer() will do the job.
> >
> > Will this purge the buffer on the chip, or just the buffers in the PC?
>
> For the TX queue, we don't do buffering in libftdi.
> So it just sends the purge request to the chip.
Ah! Good. :-)
Last I looked at the code there was a 4k buffer in the library. Might
have been a different library. Might have been older version. I don't
know.
Roger.
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