From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: from second.openwall.net (second.openwall.net [193.110.157.125]) by inbox.vuxu.org (Postfix) with SMTP id 9093D245EE for ; Thu, 11 Apr 2024 20:31:03 +0200 (CEST) Received: (qmail 15439 invoked by uid 550); 11 Apr 2024 18:30:56 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 15389 invoked from network); 11 Apr 2024 18:30:56 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.net; s=s31663417; t=1712860248; x=1713465048; i=nullplan@gmx.net; bh=2Nx6CzeHntHSlP7OFjzJxiiRhohA3kOPIpovkNnsdGw=; h=X-UI-Sender-Class:Date:From:To:Subject:References:In-Reply-To; b=cLuhrvH6djGN/gV+uLUlNlcpMk7Q5bM/LjOgdyqPZZbV0BfN43gv+6H95MOkJ56T IMelj2Po4miz0PjtgJkgpbLVjcWSnZIr9H4UbIOhnhgQFPU5MYMJYHCD1sITDcQjD IwnO8YsdTLcHp/AKWHva8jpMAuXG2EXGl76vmM+ahjLeAkGwZkDrjxHxaYsaixe5O xK5wqVMEIDK/EceGhLa/fSL/651oYyyuE5x46qDKvHKheX01O119xs3HOwoc+MhjL 9tTYV1gP+3HBhB8G/sA7gBOHoQYvmTFUJGsBH4OuWkDF/zpJzCQajIHz4RBx8qdM1 dcvS6UVcXDz51e/5yQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Date: Thu, 11 Apr 2024 20:30:46 +0200 From: Markus Wichmann To: musl@lists.openwall.com Message-ID: References: <20240411142455.GA4163@brightrain.aerifal.cx> <20240411165556.GB4163@brightrain.aerifal.cx> <20240411172956.GC4163@brightrain.aerifal.cx> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Provags-ID: V03:K1:xacqMqOefqEbSq6A2ihZ1ErmcTcDuiugKZXwewcU9lOezi8LzcZ Lra6pHRIkZ4ErDNFEwZbCX/mf7S6MAt1eV64+LhpuiSrKI4cHGa7p3ekOqndacMuKAS5/ic +deN8BMYDYKmRbsUHR51NEYMMTBQWrZ2yvUjMXK8C2RGTm5n9YuFApJh+rMq5ZFTcpg80Cn 77oARA43aHNjwg8zEVMww== UI-OutboundReport: notjunk:1;M01:P0:F6H+wafRlZ0=;G6VwdERmt2B7ocDop4foF9zUBSe ZA3T5cnzIqEDQyZ06fcxIPttM46OWJ6Dv4Nw//x+fXZTHMy3CV3IzbSecEUWTcmMa9AvMGir1 a4yvqW7titv/KWP7Sf/XPILe2bprXMjDQWO+bqb1yUGOpZ90S0xzxp3DyvO0Uoui87vEqgZ5B HnuPGpWEpGP16bC8dYobrL7ppaakRqPzBrrIYvc+rFy25Bkky1FtusFcHYWN8uV7e4Hfy3U8f 1jPSI+W3wwJsTSzzIyq/uMB/Nd66NPUxvs+u8n/FcsXKbdo5yDWgRTWx/48PtmyEjMnDGVXvs XCdiIVntUzbhUnvIx7u+oWt6SocbhvmUZcGDkUd294h1kw0vynis3+7CVlcdvxeQENMDDcuqT nDZcJA2Lzt4uXt5XmaNCwPGK3Laaza3Poct03tlW5D4aK6AiPwF2bnXgx2cUf7DSs5VeAMmh1 ADE3f6cDK5ccIW6uT0tbXAw5Xur2lBpztIUMlUSlyE4eyJGDCcWtPeiGTRmEmYgxusn+f+f9D vWEg2dPZhvQ/6/m3BL38OzOYcPxfzmz9xGR/VGTvwBcX4vt/qGo62RUNUL18lcHfaqqdDhZ3r IVXeol1Rj5uA8l7UM6/xK1nvUKFT+nGGNM/9633+DrsbvsbJUa1MdDIm6Sbiz4bM2rEyMJodY 61F65Q1Tjf1yH/gUKtEMIWROfMyPZkVcSBB+h7kHAEz0vY7lmY2euxxp33v3Znak3fCkceKzI 809WxT1mFJOMrwg7qj6e+HMPs/BUuKwWmXKpO/loimfOaW52gUdZktjIREos7A4Pdv3IdiKnH vT6OdqgtSmA/8hNF6kiEllN9gSk+/9ckTU3idCiF5VIw4= Content-Transfer-Encoding: quoted-printable Subject: Re: [musl] making termios BOTHER speeds work Am Thu, Apr 11, 2024 at 01:55:12PM -0400 schrieb Jeffrey Walton: > I have never encountered a need for a custom baud rate due to standardiz= ed > UART chips. There are probably some edge cases out there. I'd like to he= ar > about them. > Apparently, slightly mismatched timings are a thing. At work, we have a certain serial device that works perfectly when connected to a PC at 38400 baud. When connected to one of our embedded devices, though, it doesn't work. It starts working, if we tell the OS to use 38400 baud, then hack the divisor register to get something more like 40000 baud. This is weird, because all other serial devices work perfectly on the embedded device (both at slower and higher speeds). Just this one box is very picky about its baud rate. Ciao, Markus