Hi,
When these kinds of delays help I ususally find that a call that should
block don't block, check the functions in your sys_arch.c and verify that
they work as lwip expects.
In 1.4.0 (and 1.3.2 I think) dns_init() is called from lwip_init().
Wouldn't it be easier if your system ran the standard init-sequence?
In my experience the error is usually in my own code, the debug
definitions *_DEBUG in lwipopts.h have time and time again helped me
locate my problems, if you haven't used them give them a try.
LWIP_DEBUG_DNS might be a good start.
Best regards
/Åke
-----------------------------
Åke Forslund
0433-273296
NIBE AB
Box 14
S-285 21 Markaryd
Tel +46-(0)433-273296
From:
"toto.conseil" <toto.cons...@laposte.net>
To:
Mailing list for lwIP users <lwip-users@nongnu.org>
Date:
2011-06-21 17:14
Subject:
Re: [lwip-users] problem with the DNS functions
Sent by:
lwip-users-bounces+ake.forslund=nibe...@nongnu.org
Without delay, the program execute dns_init and it remains in the file
"task.c".
With a delay inferior at 10sec, the program doesn't evolve.
I set this delay for to have the time to execute dns_init.
I find strange to have a delay here and especially superior at 10sec.
Thank you in advance.
> Message du 21/06/11 12:36
> De : "Kieran Mansley"
> A : "Mailing list for lwIP users"
> Copie à :
> Objet : Re: [lwip-users] problem with the DNS functions
>
> On Tue, 2011-06-21 at 12:19 +0200, toto.conseil wrote:
> > I must use a delay ("vTaskDelay (12000);", 12sec)between the two
> > functions otherwise it doesn't work.
>
> Can you describe "doesn't work" in more detail? Does it return an error
> for example? If so that error will probably be a big clue to the
> problem.
>
> Kieran
>
>
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