New answers tagged

1

It's hard to say exactly what causes this. Unfortunately, Linux serial ports do not make timing guarantees, and normal UART protocols aren't supposed to have tight timing requirements like this. If your protocol requires this kind of timing guarantee, you're going to have to dig into your kernel drivers, and perhaps write your own driver that guarantees ...


0

Read man setserial, or search on manpages.ubuntu.com. It says, in part: For the most part, superuser privilege is required to set the configuration parameters of a serial port. A few serial port parameters can be set by normal users, however, and these will be noted as exceptions in this manual page. Or, you could sudo setserial ....



Top 50 recent answers are included