Date: Sun, 24 Dec 2023 18:02:11 +0100 From: =?utf-8?Q?S=C3=B8ren_Schmidt?= <soren.schmidt@gmail.com> To: bob prohaska <fbsd@www.zefox.net> Cc: Joseph Holsten <joseph@josephholsten.com>, freebsd-arm@freebsd.org Subject: Re: USB-serial adapter suggestions needed Message-ID: <1C0F21CD-08C6-4BF9-A9BB-E8AAD60C4C31@gmail.com> In-Reply-To: <ZYhiRHUzBQ50nWSE@www.zefox.net> References: <ZYhiRHUzBQ50nWSE@www.zefox.net>
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Hi, Mix of ft232 and ch340 here as I need 1500000 baud for rockchip development.= Picocom as =E2=80=9Cterminal=E2=80=9D on either macOS or FreeBSD. No problem= s with any of those whatsoever. -S=C3=B8ren > On 24 Dec 2023, at 17.54, bob prohaska <fbsd@www.zefox.net> wrote: >=20 > =EF=BB=BFOn Sat, Dec 23, 2023 at 09:26:50PM -0800, Joseph Holsten wrote: >>=20 >>=20 >>> On Sat, Dec 23, 2023, at 16:43, bob prohaska wrote: >>> What are the best-supported usb-serial adapters for use with FreeBSD on >>> arm systems? >>> I'm specifically interested in Raspberryp Pi 2/3/4 (and maybe 5 >>> someday). >>>=20 >>> I've been using pl2303 and ft232 but wonder if there might be others wor= th >>> considering. Pl2303 are cheap and have lately been working fairly well, b= ut >>> if there's something better supported or behaved I'd like to know. >>=20 >> I ended up going with the Raspberry Pi debug probe: >> https://www.raspberrypi.com/documentation/microcontrollers/debug-probe= .html >> If I remember correctly, it???s a pl2303 inside. I mostly got this model f= or the connectors and laziness. >>=20 >=20 > Laziness and frugality led me to the pl2303 also. At the moment, it looks > like the best choice. >=20 >=20 >> Jeff Geerling mentions some of the other options at https://www.jeffgeerl= ing.com/blog/2023/testing-raspberry-pis-new-debug-probe >=20 > That's a good article, especially the references. >=20 >>=20 >> If I were doing it again, I???d probably get the Black Magic Probe which a= lso supports JTAG https://www.adafruit.com/product/3839 >>=20 >=20 > Present purposes are dedicated to serial console interface. Perhaps someda= y, > but not yet. An apropos search for jtag finds >=20 > altera_jtag_uart driver for the Altera JTAG UART Core >=20 > Does that imply the only jtag device supported by FreeBSD must > be compatible with the particular device family? >=20 > Thanks for writing! >=20 > bob prohaska >=20 >=20
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