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Sun, 24 Dec 2023 00:27:11 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-1364-ga51d5fd3b7-fm-20231219.001-ga51d5fd3 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 Message-Id: <645f8f8c-1817-4e50-8e9c-3153a36838d6@app.fastmail.com> In-Reply-To: References: Date: Sat, 23 Dec 2023 21:26:50 -0800 From: "Joseph Holsten" To: freebsd-arm@freebsd.org Subject: Re: USB-serial adapter suggestions needed Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-4.99 / 15.00]; DWL_DNSWL_LOW(-1.00)[pobox.com:dkim]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; RWL_MAILSPIKE_EXCELLENT(-0.40)[66.111.4.29:from]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.29]; R_DKIM_ALLOW(-0.20)[pobox.com:s=fm1,messagingengine.com:s=fm2]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.29:from]; XM_UA_NO_VERSION(0.01)[]; MLMMJ_DEST(0.00)[freebsd-arm@freebsd.org]; DKIM_TRACE(0.00)[pobox.com:+,messagingengine.com:+]; RCVD_TLS_LAST(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[josephholsten.com]; RCPT_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:19151, ipnet:66.111.4.0/24, country:US]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim]; FROM_HAS_DN(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; ARC_NA(0.00)[] X-Rspamd-Queue-Id: 4SyV0J5qj0z4KNt X-Spamd-Bar: ---- On Sat, Dec 23, 2023, at 16:43, bob prohaska wrote: > What are the best-supported usb-serial adapters for use with FreeBSD o= n=20 > arm systems? > I'm specifically interested in Raspberryp Pi 2/3/4 (and maybe 5=20 > someday). > > I've been using pl2303 and ft232 but wonder if there might be others w= orth > considering. Pl2303 are cheap and have lately been working fairly well= , but > if there's something better supported or behaved I'd like to know. I ended up going with the Raspberry Pi debug probe: https://www.raspberrypi.com/documentation/microcontrollers/debug-pro= be.html If I remember correctly, it=E2=80=99s a pl2303 inside. I mostly got this= model for the connectors and laziness. Jeff Geerling mentions some of the other options at https://www.jeffgeer= ling.com/blog/2023/testing-raspberry-pis-new-debug-probe If I were doing it again, I=E2=80=99d probably get the Black Magic Probe= which also supports JTAG https://www.adafruit.com/product/3839 -- Joseph Holsten http://josephholsten.com mailto:joseph@josephholsten.com tel:+1-360-927-7234