* [ECOS] Timing components
@ 2008-05-20 17:34 Shilpa
2008-05-20 18:06 ` Andrew Lunn
0 siblings, 1 reply; 2+ messages in thread
From: Shilpa @ 2008-05-20 17:34 UTC (permalink / raw)
To: ecos-discuss
Hi all
I have few doubts on the timing components. I kindly request to clarify me
on these
1)HAL_CLOCK_INITIALIZE(_period_)
In the above function, how to calculate the period. For eg I want to
initialize clock for 2 hrs, how to calculate the period for2 hrs.
I read that this function interrupts after the specified period. I want
to execute a funtion after a specified period. How to do this.
This may be simple but please guide me.
Thank you in advance
Regards
Shilpa
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [ECOS] Timing components
2008-05-20 17:34 [ECOS] Timing components Shilpa
@ 2008-05-20 18:06 ` Andrew Lunn
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Lunn @ 2008-05-20 18:06 UTC (permalink / raw)
To: Shilpa; +Cc: ecos-discuss
On Tue, May 20, 2008 at 10:34:06AM -0700, Shilpa wrote:
> Hi all
>
> I have few doubts on the timing components. I kindly request to clarify me
> on these
>
> 1)HAL_CLOCK_INITIALIZE(_period_)
> In the above function, how to calculate the period. For eg I want to
> initialize clock for 2 hrs, how to calculate the period for2 hrs.
>
> I read that this function interrupts after the specified period. I want
> to execute a funtion after a specified period. How to do this.
>
> This may be simple but please guide me.
Keep reading the documents.
You are going about this completely the wrong way.
Maybe this will help a little.
http://ecos.sourceware.org/docs-latest/user-guide/clocks-and-alarm-handlers.html
Andrew
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2008-05-20 17:34 [ECOS] Timing components Shilpa
2008-05-20 18:06 ` Andrew Lunn
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