Re: USB-serial device fails to show up in /dev

["Dr. Nicola Mingotti" <nmingotti%gmail.com@localhost>]

Solved,

in the man MAKEDEV(8) i found ucomX is attached at /dev/ttyUX

bye
Nicola



On Tue-01-Oct-2024 08:54, Dr. Nicola Mingotti wrote:
> Hi all,
>
> I am connecting a usb-serial dongle to a RPI3b+ with NetBSD-10.0,
> actually i tried with 3 dongles and the result is similar:
>
> When i connect the device i see this in dmesg:
> ---- this is a USB -- RS-485 adaptor ---
> [   794.003535] uftdi0 at uhub1 port 4 configuration 1 interface 0
> [   794.003535] uftdi0: FTDI (0x0403) FT232R USB UART (0x6001), rev 
> 2.00/6.00, addr 4
> [   794.013536] ucom0 at uftdi0 portno 0
> ----
>
> Now i would expect to see a /dev/ucomX appearing, but i don't see it.
>
> Unplug the device, try with another
> ---- this is a usb-serial -----
> [   982.132525] uslsa0 at uhub1 port 4 configuration 1 interface 0
> [   982.142526] uslsa0: Silicon Labs (0x10c4) CP2102N USB to UART 
> Bridge Controller (0xea60), rev 2.00/1.00, addr 4
> [   982.152528] ucom0 at uslsa0: Silicon Labs CP210x
> -------------------------------
>
> Still, i don't see /dev/ucomX in /dev
>
> Probably i am missing something, any advice ?
>
> bye
> Nicola