From: Andrew Lunn <andrew@lunn.ch>
To: ?????? <yozhong@gmail.com>
Cc: ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] Timer tick dosen't work, when printf string > 24
Date: Tue, 11 Apr 2006 08:20:00 -0000 [thread overview]
Message-ID: <20060411082005.GD6383@lunn.ch> (raw)
In-Reply-To: <dd9328150604110110h2d6b918chbeb2fca1bf063985@mail.gmail.com>
On Tue, Apr 11, 2006 at 04:10:46PM +0800, ?????? wrote:
Hi ??????
> Hi,
> I used Sumsung s3c2410 development board(SMDK2410) to run simple-alarm
> example program.
> I add LED flash function in hal_clock_reset() and add one line printf
> function in cyg_user_start() in simple-alarm.c file.
>
>
> void cyg_user_start(void)
> {
> printf("12345678901234567890123\n");//Add one line prinf function here
>
> cyg_thread_create(4, alarm_prog, (cyg_addrword_t) 0,
> "alarm_thread", (void *) stack[0],
> STACKSIZE, &thread[0], &thread_obj[0]);
> cyg_thread_resume(thread[0]);
> }
>
> If string lenth in prinf function is small than 24, the timer tick is
> working correctly and LED flashing.
>
> If I modify printf("123456789012345678901234\n"), now the string lenth
> become 25 then time tick dosen't work and LED dosen's flashing.
>
> This is very strange problem.
No, not really. Try enabling CYGPKG_INFRA_DEBUG
Andrew
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next prev parent reply other threads:[~2006-04-11 8:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <dd9328150604110059j6587149ek81a127cff19e286@mail.gmail.com>
2006-04-11 8:10 ` 廖友鍾
2006-04-11 8:20 ` Andrew Lunn [this message]
2006-04-11 8:42 ` Luke Liao
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