[Soekris] Using the Serial Port For Other Purposes

Bill Maas bill at stsx.org
Sat Oct 25 11:03:46 UTC 2008


Hi Hal,

I tried messing with the serial port used for the system console at
runtime and I lived to regret it;). You should be able use com1 for
input, see here http://wiki.soekris.info/5501_Interfaces for details.

Bill

On Sat, 2008-10-25 at 01:01 -0400, Hal Vaughan wrote:
> I'm using a Net5501.  I have a HD Radio that is controlled through a 
> program I wrote that can talk to it over a regular serial port or 
> through a USB port if I use a USB/serial adaptor.
> 
> Right now I'm using it with the USB adaptor but I'd prefer to use the 
> serial port.  I've noticed, though, when I try to access it 
> through /dev/ttyS0 I don't get consistent results, which I would 
> suspect is due to that port also being used for the console.
> 
> Do I need to do anything special if I want to use the on board serial 
> port for something other than the null-modem cable?  Preferably I'd 
> like to be able to have something in my boot procedure that changes 
> this over so if I have to, I can always reboot with the null modem 
> cable on instead and could use the console directly if I wanted to.
> 
> I'm using Debian Etch on this system.
> 
> Thanks!
> 
> 
> Hal
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