High resolution timer in driver
Wolfgang Denk
wd at denx.de
Tue Apr 27 04:06:49 EST 2004
In message <20040426164104.21828.qmail at 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 at 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_
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