From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23428 invoked by alias); 3 Sep 2009 14:26:40 -0000 Received: (qmail 23419 invoked by uid 22791); 3 Sep 2009 14:26:39 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Received: from fg-out-1718.google.com (HELO fg-out-1718.google.com) (72.14.220.155) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 03 Sep 2009 14:26:32 +0000 Received: by fg-out-1718.google.com with SMTP id e21so991909fga.12 for ; Thu, 03 Sep 2009 07:26:29 -0700 (PDT) Received: by 10.86.187.38 with SMTP id k38mr3967391fgf.5.1251987989634; Thu, 03 Sep 2009 07:26:29 -0700 (PDT) Received: from w27 (212-41-85-122.adsl.solnet.ch [212.41.85.122]) by mx.google.com with ESMTPS id l19sm56754fgb.1.2009.09.03.07.26.25 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 03 Sep 2009 07:26:27 -0700 (PDT) Date: Thu, 03 Sep 2009 14:26:00 -0000 To: "Andrew Lunn" , "Steven Clugston" From: "Bob Brusa" Cc: ecos-discuss Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-15 MIME-Version: 1.0 References: <4DCF6DBD3535F742BB167C528BBEE9803824B9D6A5@EXSAN01.campus.ncl.ac.uk> <4DCF6DBD3535F742BB167C528BBEE9803827660766@EXSAN01.campus.ncl.ac.uk> <4DCF6DBD3535F742BB167C528BBEE9803827660BD7@EXSAN01.campus.ncl.ac.uk> <20090901095010.GB10057@lunn.ch> Content-Transfer-Encoding: 7bit Message-ID: In-Reply-To: <20090901095010.GB10057@lunn.ch> User-Agent: Opera Mail/9.64 (Win32) 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] ARM7 ADC drivers - any progress? X-SW-Source: 2009-09/txt/msg00053.txt.bz2 Am 01.09.2009, 11:50 Uhr, schrieb Andrew Lunn : >> I'm slightly confused by a couple of things, perhaps someone who is >> familiar with the AT91 hal code might be able to clearup. > > The HAL can get its tick from two different sources. Some devices, ag > the AT91SAM, have a PIT, programmable Interrupt Timer. All AT91 have > TC, Timer Counter. There is a CDL option to control which is used. > > Andrew > Steven in fact: our boards are configured to use PIT as system clock. This may explain some, if not all? of your problems. Robert -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss