Article View: borland.public.cppbuilder.nativeapi
Article #11457Re: Sleep time resolution
From: Detlef
Date: Thu, 12 Feb 2004 11:28
Date: Thu, 12 Feb 2004 11:28
31 lines
2202 bytes
2202 bytes
Hi Asger, a ttime has two problems: - it depends on the message system, it is not independent what happens on the GUI ( that is the reason for the thread) - the maximum resolution is 1/60 second So this does not work for me. Detlef "Asger J๏ฟฝrgensen" <Asger.Pnotthis@AJ-World.dk> schrieb im Newsbeitrag news:MPG.1a9574fc30494ef7989719@newsgroups.borland.com... > Hi Detlef > > In article <402b4f78$1@newsgroups.borland.com>, Detlef says : > > > Hi all, > > I'm using Win2K and like to communicate with a digital IO card with a > > frequence of 200 Hz. I'm using a thread to send data to the card. > > The problem is that windows supports only sleep timeslices of 10/15 ms ( > > depending on processor) or Sleep(0). > > If I use Sleep( 0) my process uses a lot of processor time. > > if You set down the priority of the thread it shouldn't slow down > the PC. > > > Is there a way to create events or sleeps with a resolution of 5 milli > > seconds with an accuracy of +/- 1 milli second? > > Maybe You can use a TTimer, but if You want it to be very > accurat You have to find one on the net. > > Best regards > Asger
Technical Details
Message-ID:
<402b631f$1@newsgroups.borland.com>Path:
arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!t-online.de!203.109.252.33.MISMATCH!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mailReferences:
<402b4f78$1@newsgroups.borland.com> <MPG.1a9574fc30494ef7989719@newsgroups.borland.com>Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII X-Google-Thread: 10cc67,3e6954a6a5dc7821 X-Google-Attributes: gid10cc67,public X-Google-ArrivalTime: 2004-02-12 03:29:46 PST Reply-To: "Detlef" <detlef.stute@seatec-gmbh.com> From: "Detlef" <detlef.stute@seatec-gmbh.com> Newsgroups: borland.public.cppbuilder.nativeapi References: <402b4f78$1@newsgroups.borland.com> <MPG.1a9574fc30494ef7989719@newsgroups.borland.com> Subject: Re: Sleep time resolution Date: Thu, 12 Feb 2004 12:28:00 +0100 Lines: 33 Organization: SEATEC GmbH X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 NNTP-Posting-Host: 80.134.74.254 Message-ID: <402b631f$1@newsgroups.borland.com> X-Trace: newsgroups.borland.com 1076585247 80.134.74.254 (12 Feb 2004 03:27:27 -0800) Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!t-online.de!203.109.252.33.MISMATCH!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail