Re: Fwd: Fwd: Agilent 82350b can't recover from read timeout?

Hi Frank,

Yes, disabling TCS works perfectly, as you suggested.
Do you think that's the correct fix for this? Or should we aim for
something like a read of DIR register just before every TCA?

Regards,

Dirk



On Thu, Aug 1, 2019 at 3:41 AM Frank Mori Hess <[email protected]> wrote:

> On Wed, Jul 31, 2019 at 8:08 PM Dirk Niggemann <[email protected]>
> wrote:
> > I thought the issue was directly related to the particular device
> because i originally triggered the issue by sending an invalid command to
> the board.
> > You don't actually need to send anything- just reading from the device
> without sending anything is sufficient,
> >
>
> Yeah, attempting a read that fails will leave the board out of the
> ANRS state, causing tcs to fail.  Try modifying tms9914_aux.c by
> changing tms9914_take_control so that it immediately returns
> -ETIMEDOUT if "synchronous" is true.   So basically, you want to make
> sure it never writes AUX_TCS to the  AUXCR register.
>
>
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