Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Thu, 1 Oct 2020 13:27:49 -0700 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 091KHMYt024521; Thu, 1 Oct 2020 16:17:31 -0400 Received: from outgoing-exchange-7.mit.edu (OUTGOING-EXCHANGE-7.MIT.EDU [18.9.28.58]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 091KFN9h024167 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 1 Oct 2020 16:15:23 -0400 Received: from w92exedge3.exchange.mit.edu (W92EXEDGE3.EXCHANGE.MIT.EDU [18.7.73.15]) by outgoing-exchange-7.mit.edu (8.14.7/8.12.4) with ESMTP id 091KF8n0020196 for ; Thu, 1 Oct 2020 16:15:23 -0400 Received: from oc11exhyb7.exchange.mit.edu (18.9.1.112) by w92exedge3.exchange.mit.edu (18.7.73.15) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Thu, 1 Oct 2020 16:14:32 -0400 Received: from oc11exhyb2.exchange.mit.edu (18.9.1.98) by oc11exhyb7.exchange.mit.edu (18.9.1.112) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 1 Oct 2020 16:15:12 -0400 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.168) by oc11exhyb2.exchange.mit.edu (18.9.1.98) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Thu, 1 Oct 2020 16:15:12 -0400 Received: from MWHPR12CA0048.namprd12.prod.outlook.com (2603:10b6:301:2::34) by DM6PR01MB4731.prod.exchangelabs.com (2603:10b6:5:65::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.37; Thu, 1 Oct 2020 20:15:10 +0000 Received: from CO1NAM03FT045.eop-NAM03.prod.protection.outlook.com (2603:10b6:301:2:cafe::56) by MWHPR12CA0048.outlook.office365.com (2603:10b6:301:2::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3412.20 via Frontend Transport; Thu, 1 Oct 2020 20:15:10 +0000 Received: from mail-io1-f53.google.com (209.85.166.53) by CO1NAM03FT045.mail.protection.outlook.com (10.152.81.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.34 via Frontend Transport; Thu, 1 Oct 2020 20:15:10 +0000 Received: by mail-io1-f53.google.com with SMTP id q4so8325534iop.5 for ; Thu, 01 Oct 2020 13:15:10 -0700 (PDT) From: Josh Koffman To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Thu, 1 Oct 2020 13:14:43 -0700 Subject: Re: [EE] RS-485 analyzer/sniffer? Thread-Topic: [EE] RS-485 analyzer/sniffer? Thread-Index: AdaYMVT+ns/PKip/R6uOSstbWFaamg== Message-ID: References: <5F7619A5.1030407@narwani.org> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: TempError X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.166.53 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.166.53; helo=mail-io1-f53.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=kvEfWJRrsdOYNPhkMvTTh/OkiDGwx5rrUUAF4BRw3w4=; b=IjYay/WtRszh6O5N33uj/hi2SFLoFmI0togZBpJiAIV4GDgM0xD5xaTRT6c4qX+FIJ OvTw10ietzd2yTO79DKWWa4McYvyn71mUbEcvNKV9EnkrhBYFHul7Odr8wfBFmVwV2zd HW/kEQSyxEUn5frj75vABpIcHvr+iMlhuqSnk69KM1NyhiDUQIzvm2tCqaoZZJITyoV1 3yCR/PyPq+q3svirz0/lDBxszG9UnLqbYWnOm4Uz2DcT4lzDfn47177lLWzIZQKT6NMp k7w5p8lDZPJ6cqt5RVi8EyeYqU6BwnS0DLz/Ng2X/vEc3f4NTIzfcm4LaAVsqaxspAL+ 08NA== authentication-results: spf=pass (sender IP is 209.85.166.53) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com; mit.edu; dmarc=pass action=none header.from=gmail.com; errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a6b:f30f:: with SMTP id m15mr5338251ioh.136.1601583308920; Thu, 01 Oct 2020 13:15:08 -0700 (PDT) x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Here's a link to the Logic Pirate: http://dangerousprototypes.com/docs/Logic_Pirate The Bus Pirate might also work: http://dangerousprototypes.com/docs/Bus_Pirate Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .