From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7554 invoked by alias); 24 Apr 2013 18:46:07 -0000 Mailing-List: contact ecos-patches-help@ecos.sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: ecos-patches-owner@ecos.sourceware.org Received: (qmail 7525 invoked by uid 89); 24 Apr 2013 18:46:06 -0000 X-Spam-SWARE-Status: No, score=-2.8 required=5.0 tests=AWL,BAYES_00,KHOP_RCVD_UNTRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 Received: from hagrid.ecoscentric.com (HELO mail.ecoscentric.com) (212.13.207.197) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Wed, 24 Apr 2013 18:46:05 +0000 Received: from localhost (hagrid.ecoscentric.com [127.0.0.1]) by mail.ecoscentric.com (Postfix) with ESMTP id CE8D5468000D for ; Wed, 24 Apr 2013 19:46:03 +0100 (BST) Received: from mail.ecoscentric.com ([127.0.0.1]) by localhost (hagrid.ecoscentric.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mMAOzWO7vWSq; Wed, 24 Apr 2013 19:45:57 +0100 (BST) From: bugzilla-daemon@bugs.ecos.sourceware.org To: ecos-patches@ecos.sourceware.org Subject: [Bug 1001397] I2C driver for Kinetis microcontrollers Date: Wed, 24 Apr 2013 18:46:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: eCos X-Bugzilla-Component: Patches and contributions X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: ilijak@siva.com.mk X-Bugzilla-Status: NEEDINFO X-Bugzilla-Priority: low X-Bugzilla-Assigned-To: ilijak@siva.com.mk X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://bugs.ecos.sourceware.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-04/txt/msg00072.txt.bz2 Please do not reply to this email, use the link below. http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001397 --- Comment #62 from Ilija Kocho --- Created attachment 2209 --> http://bugs.ecos.sourceware.org/attachment.cgi?id=2209&action=edit I2C driver Frequency divider table fix 130424 incremantal to att 2188 (In reply to comment #61) > I remeasured the 400Khz numbers and then put the printed calcs in the table. > > The 400Khz measurements were the same as before. > > > Freq Mode Meas Calc > 100Khz Std 98Khz 97Khz > 100Khz Agr 111Khz 111Khz > 400Khz Std 363Khz 390Khz > 400Khz Agr 416Khz 446Khz It seems that there's discrepancy in I2C doc for frequency divider table. I did some fixes to match your measurements. 400kHz Agr is pretty close to your scope 416666 Hz. Std is pretty close, but not so much 367647 Hz. Here's an incremental patch. -- You are receiving this mail because: You are on the CC list for the bug.