From: Wolfgang Denk <wd@denx.de>
To: bhupinder sahran <bhup_sah@yahoo.com>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: High resolution timer in driver
Date: Mon, 26 Apr 2004 20:06:49 +0200 [thread overview]
Message-ID: <20040426180654.5C035C109F@atlas.denx.de> (raw)
In-Reply-To: Your message of "Mon, 26 Apr 2004 09:41:04 PDT." <20040426164104.21828.qmail@web41503.mail.yahoo.com>
In message <20040426164104.21828.qmail@web41503.mail.yahoo.com> you wrote:
>
> I am writting a device driver. I have a requirement
> that i need a timer base interrupt serive routine
> which shall be called 1024 times in a second. But my
Find an unused timer on your processor, install an interrupt handler
for it, and finally programm it in periodic mode with f=1024 Hz.
Where is the problem?
> understanding is saying that i can call it only once
> in a second through generic linux timer.
This is definitely wrong. Wrong twice, at least.
Best regards,
Wolfgang Denk
--
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de
They say a little knowledge is a dangerous thing, but it is not one
half so bad as a lot of ignorance. - Terry Pratchett, _Equal Rites_
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-04-26 18:06 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-20 16:21 E1/T1 on mpc8260 Omanakuttan
2002-12-20 17:46 ` New invalidate/clean/flush_dcache functions Joakim Tjernlund
2002-12-21 14:25 ` Joakim Tjernlund
2002-12-22 7:00 ` Paul Mackerras
2002-12-23 13:19 ` SV: " Joakim Tjernlund
2002-12-26 4:12 ` Paul Mackerras
2002-12-26 13:52 ` SV: " Joakim Tjernlund
2004-04-26 16:41 ` High resolution timer in driver bhupinder sahran
2004-04-26 18:06 ` Wolfgang Denk [this message]
2004-04-27 15:52 ` bhupinder sahran
2002-12-27 0:58 ` SV: New invalidate/clean/flush_dcache functions Segher Boessenkool
2002-12-27 20:20 ` SV: " Joakim Tjernlund
2002-12-28 4:01 ` Segher Boessenkool
2002-12-23 20:26 ` Dan Malek
2002-12-24 10:36 ` SV: " Joakim Tjernlund
2002-12-24 17:53 ` Dan Malek
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