From: Rolf Evers-Fischer <embedded24@evers-fischer.de>
To: guille.rodriguez@gmail.com, u.kleine-koenig@pengutronix.de
Cc: barebox@lists.infradead.org
Subject: Re: Scrolling issues in edit command
Date: Tue, 5 Apr 2016 11:40:51 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.10.1604051131350.3483@9VTHT2J-D520> (raw)
In-Reply-To: <20160405090511.GC10108@pengutronix.de>
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Uwe Kleine-König <u.kleine-koenig@...> writes:
>
> Hello,
>
> On Tue, Apr 05, 2016 at 10:40:48AM +0200, Guillermo Rodriguez Garcia
wrote:
> > I am wondering: If I am correct, serial in/out in barebox is not
> > interrupt-driven. Plus, the default UART in the sama5d3_xplained board
>
> right
>
> > that I am using (DBGU) has no FIFOs. Plus, "edit" does a lot of
> > repaint work while editing. Could it be the case that received chars
> > are being missed by barebox due to the repainting work in "edit" ?
>
> Sounds likely.
>
But if the instruction cache is enabled, the SAMA5 should be fast enough,
even without any interrupt handling for the UART data.
Best regards,
Rolf
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next prev parent reply other threads:[~2016-04-05 9:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-30 15:38 Guillermo Rodriguez Garcia
2016-03-31 13:39 ` Holger Schurig
2016-03-31 15:36 ` Guillermo Rodriguez Garcia
2016-04-04 6:38 ` Sascha Hauer
2016-04-04 13:34 ` Guillermo Rodriguez Garcia
2016-04-05 7:32 ` Rolf Evers-Fischer
2016-04-04 20:07 ` Uwe Kleine-König
2016-04-05 7:52 ` Guillermo Rodriguez Garcia
2016-04-05 8:14 ` Uwe Kleine-König
2016-04-05 8:40 ` Guillermo Rodriguez Garcia
2016-04-05 9:05 ` Uwe Kleine-König
2016-04-05 9:40 ` Rolf Evers-Fischer [this message]
2016-04-05 11:01 ` Guillermo Rodriguez Garcia
2016-04-05 12:23 ` Uwe Kleine-König
2016-04-05 15:31 ` Guillermo Rodriguez Garcia
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