Monday, August 30, 2010

Re: [nslu2-linux] ttyS0 settings

 

Roman wrote:
> I am trying to use serial terminal connected to the internal serial port, but communication is not reliable at default 115200 bps.
>

How so?

> I tested serial terminal with putty at 9600 and 19200 and it works fine.
>
> Is there any way to change settings on ttyS0, in particular the speed from 115200 to 9600 bps?
>

Not recommended; it slows the boot down a lot. Also, you can't change
the speed for the bootloader messages. The way to do this is to change
it via the boot command line; easiest way to do that is to install a
custom (self-built) linux kernel, since there's no way to change the
boot command line that's stored in the bootloader.

> I tried it with agetty by adding line to inittab:
> S0:23:respawn:/sbin/agetty -L ttyS0 9600 vt100
>
> but could not get it work.
>
> Any ideas?
>
> Thanks
> Roman
>

-Mike (mwester)

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