Linux BSP v1.
Linux BSP v1.
Linux BSP v1.
Linux BSP v1.2
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0 Development
Development
Development
Development Guide
Guide
Guide
Guide
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6.
6.
6.
6.
Debug Message
Debug Message
Debug Message
Debug Message
VAB-600 Linux BSP supports debugging with RS232 port.
The RS232 client software (such as putty) should configure the parameters as
follows:
COM speed
:
115200
COM parity
:
NONE
COM data
:
8
COM stop-bit
:
1
Use picocom in the HOST PC to open the console.
#
#
#
# picocom
picocom
picocom
picocom ----b 115200 /dev/ttyS0
b 115200 /dev/ttyS0
b 115200 /dev/ttyS0
b 115200 /dev/ttyS0
If the picocom is not installed, use ap-get to install it.
#
#
#
# apt
apt
apt
apt----get install picocom
get install picocom
get install picocom
get install picocom
After successfully connecting to VAB-600 through RS232 line, you can enter
the u-boot console and try modifying the u-boot parameters for various
configurations, such as changing display resolution and so on.
6.1.
Enter U-Boot environment
VAB-600 Linux platform can stop booting to enter u-boot environment. The u-
boot will initiate hardware at an earlier stage by those parameters.
The u-boot will wait 3 seconds to stop booting after power on by pressing
any key. When booting comes to a halt, the sign “WMT #” will pop up on
terminal screen.
U-Boot is similar to a tiny operation system that has its own commands. Some
important commands and parameters are described here.
Print online help
WMT # help
WMT # help
WMT # help
WMT # help