From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: True Parallel Port Interface for Bit-banging? Date: Tue, 25 Oct 2016 19:17:59 +0200 Message-ID: <20161025171752.GA4274@katana> References: <580F4042.5070201@laposte.net> <20161025120951.GL1597@katana> <580F6A1D.4000409@laposte.net> <20161025142935.GA2875@katana> <580F72AF.9070900@laposte.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="nVMJ2NtxeReIH9PS" Return-path: Received: from sauhun.de ([89.238.76.85]:50708 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759345AbcJYRSk (ORCPT ); Tue, 25 Oct 2016 13:18:40 -0400 Content-Disposition: inline In-Reply-To: <580F72AF.9070900@laposte.net> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Sebastian Frias Cc: Sudip Mukherjee , linux-parport@lists.infradead.org, philb@gnu.org, tim@cyberelk.net, Jean Delvare , linux-i2c@vger.kernel.org --nVMJ2NtxeReIH9PS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > Or is the "timing issue" you talk about more related to unpredictable > latencies due to the way the SW virtualisation works? Yes, it is all about latencies and meeting deadlines. This is probably why the application is DOS after all. > What about emulation? Do you think emulation would be more predictable? No difference as long as there is a multi-tasking OS in the background. Yes, the RT patchset might help... --nVMJ2NtxeReIH9PS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJYD5PGAAoJEBQN5MwUoCm2x98P/RZEO/0Xa3QKFiSeblblw8xh fmwwJtmmwQr0CT+y4ZkTwbDbKkGh/VWw2SOqVaH1UpV/teGbkEEIWsiPZ06gWRkn lQOaVqaqGyQxPIkU55BUOsYtDTBgZwZMuSl2d0kiHhMTf26zOXkOakbdsmZcwrnX 45Uh4gAGFOk4APs8W3yWcs+7SzHfldOIAIHOy2ZRLrROZJ2id2OXybQK+HPiRl/g UuKNpnBztaBX0UdWhc7CWlRTBmq9+ZN6tE4O8sCsMzCCLGcePxIgdqDPbBfxSq7D P+nLZrJnbd1uas1byIlKI8Eog4IQpik38Js8Z9LVFRMVjxqCvQlGPizYMCpDOXNy A/hewuqEGnS8U9jeaLWPXvibcHTEpLI2TrdzetCX8z981m1+8ixvyZyKGUYNa0hf r5Fqr6i6BmZDaw07g2bbRbyc4nK3/9Ty0EnLTs5knjEhaPx6xyezuulGyx6WpeuO KbaqB8Pul6P7zc09osi0dGeHqI2a1KmTWTCliOcHNyTQF8zcN8P3rQJe0zrYA1Ci MCm8mo679kk3BvYDi/HOVjiBVdwFJq1oBP4J55+vV/9rfgbdbH/RqLC3HniVLrYD o4R0LmUWqjPYdQ1+Rnpn08MHCh8Szm6uJOUHJ/ncSCw4vb68BDK5Csd0YIvl5g5A XqjMzYP7Vo7MFL1eF8kI =4q6s -----END PGP SIGNATURE----- --nVMJ2NtxeReIH9PS--