Thank you very much, Richard! You correctly understood about the
adapter. Tell me, please, how to perform the installation (there is no
Internet on Raspberry Pi, but I can transfer files via drawterm)? And
how do I read data (if possible, not through C)?



2018-08-14 12:46 GMT+03:00 Richard Miller <9fans@hamnavoe.com>:

> > usb/probe result:
> > ep5.0 255 csp 0x0000ff csp 0x0201ff vid 0x1a86 did 0x7523 none <nil>
> dwcotg
>
> That's a CH341 adapter.  I have a driver which should work.  You can fetch
> an
> updated usb/serial command from http://www.hamnavoe.com/usbserial (use
> hget).
> If you want to build from source, updates to /sys/src/cmd/usb/serial are in
> http://www.hamnavoe.com/serial.tar
>
> I would put a patch on sources but the Bell Labs server is unresponsive
> at present.
>
>
>