From nobody Sun Dec 24 01:04:11 2023 X-Original-To: freebsd-arm@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4SyN8t0k2zz55Fpk for ; Sun, 24 Dec 2023 01:04:14 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (www.zefox.net [50.1.20.27]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "www.zefox.com", Issuer "www.zefox.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4SyN8s67yrz3PmT for ; Sun, 24 Dec 2023 01:04:13 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Authentication-Results: mx1.freebsd.org; none Received: from www.zefox.net (localhost [127.0.0.1]) by www.zefox.net (8.17.1/8.15.2) with ESMTPS id 3BO14C0B017978 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sat, 23 Dec 2023 17:04:12 -0800 (PST) (envelope-from fbsd@www.zefox.net) Received: (from fbsd@localhost) by www.zefox.net (8.17.1/8.15.2/Submit) id 3BO14BSS017977; Sat, 23 Dec 2023 17:04:11 -0800 (PST) (envelope-from fbsd) Date: Sat, 23 Dec 2023 17:04:11 -0800 From: bob prohaska To: Marcin Cieslak Cc: freebsd-arm@freebsd.org Subject: Re: USB-serial adapter suggestions needed Message-ID: References: List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:7065, ipnet:50.1.16.0/20, country:US] X-Spamd-Bar: ---- X-Rspamd-Queue-Id: 4SyN8s67yrz3PmT On Sun, Dec 24, 2023 at 12:47:56AM +0000, Marcin Cieslak wrote: > On Sat, 23 Dec 2023, bob prohaska wrote: > > > What are the best-supported usb-serial adapters for use with FreeBSD on arm systems? > > I am using uchcom(4)-based CH340, the reason I have it is selectable 3.3V/5V level. > I don't have a Raspberry but I use it for other arm boards. > > Not sure it is "better" than, say ft232 Have you run into any oddities using the ch340? Noise on the lines, dropped connections, irreproducible behavior? Thanks for writing & confirming ch340 is an option! bob prohaska