Re: USB-serial adapter suggestions needed

Hi,

Mix of ft232 and ch340 here as I need 1500000 baud for rockchip development.
Picocom as “terminal” on either macOS or FreeBSD. No problems with any of those whatsoever.

-Søren


> On 24 Dec 2023, at 17.54, bob prohaska <[email protected]> wrote:
> 
> On Sat, Dec 23, 2023 at 09:26:50PM -0800, Joseph Holsten wrote:
>> 
>> 
>>> 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).
>>> 
>>> I've been using pl2303 and ft232 but wonder if there might be others worth
>>> 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-probehtml
>> If I remember correctly, it???s a pl2303 inside. I mostly got this model for the connectors and laziness.
>> 
> 
> Laziness and frugality led me to the pl2303 also. At the moment, it looks
> like the best choice.
> 
> 
>> Jeff Geerling mentions some of the other options at https://www.jeffgeerling.com/blog/2023/testing-raspberry-pis-new-debug-probe
> 
> That's a good article, especially the references.
> 
>> 
>> If I were doing it again, I???d probably get the Black Magic Probe which also supports JTAG https://www.adafruit.com/product/3839
>> 
> 
> Present purposes are dedicated to serial console interface. Perhaps someday,
> but not yet. An apropos search for jtag finds
> 
> altera_jtag_uart  driver for the Altera JTAG UART Core
> 
> Does that imply the only jtag device supported by FreeBSD must
> be compatible with the particular device family?
> 
> Thanks for writing!
> 
> bob prohaska
> 
>