Re: uchcom USB-serial

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Oct 09, 2018 at 04:13:32PM +0100, Patrick Welche wrote:
> I purchased a couple of USB-serial adapters. Unfortunately, given the lack
> of detail in the descriptions, they turned out to be
> 
>   uchcom0: QinHeng Electronics (0x1a86) USB2.0-Ser! (0x7523), rev 1.10/2.54
> 
> According to
> 
>   https://nxr.netbsd.org/xref/src/sys/dev/usb/uchcom.c#40
> 
> this is "the worst USB-serial chip in the world."
> 
> Do these work at all? (Get "tip: link down", then change to a 
> uplcom0: Prolific Technology Inc. and all is well.)

I use one:
uchcom0: QinHeng Electronics (0x1a86) USB2.0-Serial (0x7523), rev 1.10/2.54, addr 3
uchcom0: CH341 detected
ucom0 at uchcom0

to connect to an ARM board's console. I didn't notice problems so far ...

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--