From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16319 invoked by alias); 30 May 2008 03:09:01 -0000 Received: (qmail 16310 invoked by uid 22791); 30 May 2008 03:09:00 -0000 X-Spam-Check-By: sourceware.org Received: from elasmtp-curtail.atl.sa.earthlink.net (HELO elasmtp-curtail.atl.sa.earthlink.net) (209.86.89.64) by sourceware.org (qpsmtpd/0.31) with ESMTP; Fri, 30 May 2008 03:08:28 +0000 Received: from [75.82.39.242] (helo=PAULD) by elasmtp-curtail.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1K1uyf-0001o5-VK for ecos-discuss@ecos.sourceware.org; Thu, 29 May 2008 23:08:26 -0400 From: "Paul D. DeRocco" To: Date: Fri, 30 May 2008 03:09:00 -0000 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) In-Reply-To: <001001c8c1ff$d468fa50$1c0110ac@ariga> X-ELNK-Trace: bd7d5d4e6f8f652c74cfc7ce3b1ad11381c87f5e519606880912bbc3440741b0ccafc1fcc7c636b6350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-IsSubscribed: yes Mailing-List: contact ecos-discuss-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: ecos-discuss-owner@ecos.sourceware.org Subject: RE: [ECOS] Re: In trouble of timer operations X-SW-Source: 2008-05/txt/msg00111.txt.bz2 > From: ariga masahiro > > I understand that cyg_thread_delay(1) delays 10msec but my result shows > apparently too short period. Delays start when you call cyg_thread_delay, and end on a particular timer interrupt tick. The ticks are 10ms apart, but your call to cyg_thread_delay isn't synchronized with these ticks. An n-tick delay can therefore range from n-1 to n ticks in duration. -- Ciao, Paul D. DeRocco Paul mailto:pderocco@ix.netcom.com -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss