Hi Peter, > >>> > >>> dmesg| grep ttyS > >> > >> But as they work the same, why does it matter? > > > > Yes you are right, by the user point of view, they are the same. > > > >> > >> Userspace should not care here. Isn't there some other id you can > >> read/query for a hardware database tool to determine this? > > > As Greg mentions, The userspace don't care what IC they are using. > We can use Linux RS485 API to control or check the serial port. > > https://www.kernel.org/doc/html/latest/driver-api/serial/serial-rs485.html Yes, right! Thanks for your info! > > -- > With Best Regards, > Peter Hong Best regards, Flavio
