Hello Janne, CRC, great, thanks for explanations.
A big thank you to both of you. have a nice day. Olivier. On Wed, 4 Apr 2018 10:39:30 +0200 Janne Johansson <[email protected]> wrote: > 2018-04-04 4:58 GMT+02:00 Olivier Burelli <[email protected]>: > > > Hello, > > > > i am playing with ARDUINO UNO on my 6.2 stable laptop. > > I am trying to read the serial monitor message from the board. > > > > from dmesg: > > (...) > > umodem0 at uhub3 port 1 configuration 1 interface 0 "Arduino > > SrlArduino Uno" rev 1.10/0.01 addr 3 > > umodem0: data interface 1, has no CM over data, has break > > umodem0: status change notification available > > ucom0 at umodem0 > > --> which device is corresponding ? > > > > > > > ucom0 from dmesg means it is /dev/cuaU0 (and /dev/ttyU0), ucom1 -> > cuaU1 and so on. > Then use "cu" or something if you want to interact with it manually. > "cu -s 9600 -l /dev/cuaU0" for 9k6 connections. (though 115200 is > probably nicer, > otherwise the Serial.print()s will spend too much time talking slow > to the computer > which also can handle lots faster speeds. >

