Booting Raspberry Pi with input on serial console

[Erich Dollansky]

Hi,

On Fri, 10 Mar 2017 11:40:21 +0100
Peter Ankerstål <peter at pean.org> wrote:

> I have a problem that should (?) have a simple solution but I havent
> found one. 
> 
are there settings starting with the boot loader to stop the console?

> I have a raspberry pi with a NMEA-GPS constantly hooked up to the
> serial console of the Pi. 
> 
> My problem is that when booting the Pi it will interpet the output
> from the GPS as input to the boot process and the boot will fail. How
> can I have the serial interface of the GPS permanently hooked up to
> the pi without preventing the system to boot?
> 
It sounds to me like a custom solution or take a relay which switches
the input on only after the system is up and running. Either by
software or by a timer.

Yes, I know, stone-age is sending greetings.

Erich