Re: [OpenOCD-devel] Problem with FT2232_BUFFER_SIZE

[Andreas F. <and...@gm...>]

On Sat, Dec 1, 2012 at 5:54 PM, Franck Jullien <fra...@gm...>wrote:

> 2012/12/1 Andreas Fritiofson <and...@gm...>:
> >
> > On Mon, Nov 26, 2012 at 7:47 AM, Franck Jullien <
> fra...@gm...>
> > wrote:
> >>
> >> No, I doesn't fix the problem.
> >>
> >> Thanks for your help.
> >>
> >> Franck.
> >
> >
> > Hi!
> >
> > I wrote a test case which generates your sequence: load IR with all ones,
> > add one bit dr scan ending in DRSHIFT, execute queue, add eight bit dr
> scan
> > ending in IDLE, execute queue.
> >
> > I see no problems with the TMS signal during the scan. It's low from
> > entering CAPTURE-DR until leaving DRSHIFT for IDLE.
> >
> > Which adapter are you using and which FTDI chip does it have?
> >
>
> I'm using olimex ARM-USB-OCD, it has a FT2232L inside.
>
>
We have a few of those at work, I'll open one up and see if it has the same
chip. The JTAGkey I've been testing with has the newer FT2232D, so that may
indicate a bug in earlier chips.

/Andreas