From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757428AbYJIC0t (ORCPT ); Wed, 8 Oct 2008 22:26:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754341AbYJIC0l (ORCPT ); Wed, 8 Oct 2008 22:26:41 -0400 Received: from venus.billgatliff.com ([209.251.101.201]:33366 "EHLO venus.billgatliff.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750967AbYJIC0l (ORCPT ); Wed, 8 Oct 2008 22:26:41 -0400 Message-ID: <48ED6BE5.30908@billgatliff.com> Date: Wed, 08 Oct 2008 21:26:45 -0500 From: Bill Gatliff User-Agent: Mozilla-Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: Dave Hylands CC: Remy Bohmer , Jon Smirl , ARM Linux Mailing List , lkml Subject: Re: Toggling GPIO at 38Khz References: <9e4733910810072043m6c69f3bdv104bd32928fe64ae@mail.gmail.com> <3efb10970810081157s5e0f8034n63856d2da42b3ad3@mail.gmail.com> In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dave Hylands wrote: > You could also do something similar if you have a SPI interface. Just > set the clock to the right frequency and use the bits sent out to > generate your pulses. Good point. I have seen that very thing done before, albeit for something other than IRDA. SPI is particularly nice for that, because you don't have to deal with the start/stop bits imposed by UART protocols. b.g. -- Bill Gatliff bgat@billgatliff.com