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Linux - Embedded & Single-board computer This forum is for the discussion of Linux on both embedded devices and single-board computers (such as the Raspberry Pi, BeagleBoard and PandaBoard). Discussions involving Arduino, plug computers and other micro-controller like devices are also welcome.

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Old 01-13-2008, 05:46 PM   #1
serdark
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BusyBox - Serial Console Disable/Enable


I'm trying to disable the serial console on a wireless accesspoint device, and the kernel is configured to have serial console by default.

just modifying the etc/inittab doesn't work, changing "CONFIG_SERIAL_CONSOLE=y" to "CONFIG_SERIAL_CONSOLE=n" in the defconfig makes serial console disabled but this time serial port "/dev/ttyS0" doesn't seem to work right.

Any ideas on how i can get rid of the serial console and keep the serial port functioning?

Sorry if I couldn't make the problem clear,




------
serdar
 
Old 01-15-2008, 04:20 PM   #2
theNbomr
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You asked for ideas....
I will only hazard a guess that the state of the serial port has been altered in some way. You may be able to un-alter it with a tool such as stty. Can you post the output of
Code:
stty -a -F /dev/ttyS0
Here is the present output of the same command for a serial port on a desktop PC running a Redhat-ish Linux.
Code:
speed 9600 baud; rows 0; columns 0; line = 0;
intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R; werase = ^W;
lnext = ^V; flush = ^O; min = 1; time = 0;
-parenb -parodd cs8 hupcl -cstopb cread -clocal -crtscts
-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr -icrnl -ixon -ixoff -iuclc -ixany -imaxbel
-opost -olcuc -ocrnl -onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0
-isig -icanon -iexten -echo -echoe -echok -echonl -noflsh -xcase -tostop -echoprt -echoctl -echoke
--- rod.
 
Old 01-17-2008, 05:36 AM   #3
serdark
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Sorry for the late reply,

BusyBox v1.00, doesn't have 'stty' command. I did no changes and somehow ttyS0 is alright now but the wireless driver can't be started now, I guess.

Last edited by serdark; 02-26-2008 at 03:15 PM.
 
  


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