From: 嵌入式工程师 <ericvic@163.com>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] freescale(imx53) with xenomai patch
Date: Mon, 3 Jun 2013 14:31:59 +0800 (CST) [thread overview]
Message-ID: <185d7e1a.9467.13f08bc34aa.Coremail.ericvic@163.com> (raw)
In-Reply-To: <51AC31A2.5010907@xenomai.org>
I have removed the disable and enble codes .，but It still be interrupted by the rt_task。
If it does not let the task runing the Interruption time will be very accurate.
why?
在 2013-06-03 14:03:14，"Gilles Chanteperdrix" <gilles.chanteperdrix@xenomai.org> 写道：
>On 06/03/2013 03:36 AM, 嵌入式工程师 wrote:
>
>> To prevent re-entry
>
>
>You do not need to do that:
>- hardware interrupts are off, so, there is no possible reentry
>- if the interrupt if of the "level" type, the flow handler already does
>it, and with some edge type interrupt handler, you risk to miss interrupts.
>
>--
> Gilles.
next prev parent reply other threads:[~2013-06-03 6:31 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-30 15:27 [Xenomai] freescale(imx53) with xenomai patch 嵌入式工程师
2013-05-30 18:21 ` Gilles Chanteperdrix
2013-05-31 1:34 ` 嵌入式工程师
2013-05-31 1:36 ` 嵌入式工程师
2013-05-31 5:32 ` Gilles Chanteperdrix
2013-05-31 5:54 ` 嵌入式工程师
2013-06-01 8:41 ` 嵌入式工程师
2013-06-01 10:16 ` Gilles Chanteperdrix
2013-06-03 1:36 ` 嵌入式工程师
2013-06-03 1:47 ` 嵌入式工程师
2013-06-03 6:03 ` Gilles Chanteperdrix
2013-06-03 6:31 ` 嵌入式工程师 [this message]
2013-06-03 8:24 ` 嵌入式工程师
2013-06-03 11:46 ` Gilles Chanteperdrix
2013-06-05 14:34 ` 嵌入式工程师
2013-06-05 18:31 ` Gilles Chanteperdrix
-- strict thread matches above, loose matches on Subject: below --
2013-05-31 1:50 嵌入式工程师
2013-06-01 8:43 嵌入式工程师
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