Re: [uCsimm] Changing special environment variables?

From: David Beckemeyer (
Date: Mon Mar 12 2001 - 01:55:49 EST

I have the same problem with the latest batch of uCsimm modules I
received. The 'setenv' command from the bootloader prompt doesn't
change anything. I get '.....' on the screen, but the variables
aren't changed.

What's up?

On Mon, Feb 12, 2001 at 12:18:06PM -0700, Joel Smith wrote:
> Hello,
> I'm new to the list. I'm doing a university senior project using the uCsimm and
> need to use the serial port for another device which doesn't want to see output
> from the console. We have the uCsimm autobooting, so we can get to it via the
> network, and won't need the serial port as a console. But we can't change the
> CONSOLE environment variable. We've tried from the bootloader prompt and the
> bootloader API, and both give the same results. First we tried unsetting the
> variable:
> setenv CONSOLE (or bsetenv("CONSOLE) from the API)
> which does nothing. A printenv still shows CONSOLE=/dev/ttyS0
> so we tried
> setenv CONSOLE=no
> which did not change the value of CONSOLE, but overwrote our AUTOBOOT value with
> a "$"
> Any ideas? We have ordered Maxim's SPI->UART (MAX3111E) chip so we won't need
> the builtin serial port, but now we can't reset the AUTOBOOT variable, which
> makes the device a real pain in the neck to use.
> One more thing, does anyone know how to make the bootloader initialize the
> builtin serial port to speeds other than 9600 baud?
> Thanks in advance,
> Joel Smith
> This message resent by the list server
This message resent by the list server

This archive was generated by hypermail 2b30 : Sun Apr 07 2002 - 00:01:42 EST