Debug with termi nal r 2

OrangePi Debug Tool for Serial
Item：
OrangePi,TTL to USB cable
In order to get more debug log from the process of using the OrangePi to do project development ,OrangePi is
defualt setting to support the debug log from serial.For the developor,just need the above items ,you can get the
log easil.
一. Linux Platform
The Debug Tool for Serial for different PC has not much difference on Linux,can refer to the following
methods.There are many Debug tools for Serial on Linux ,the common ones is "minicom" and "kermit ".We
will use the kermit as a sample to explain it.
1. Install kermit
Use the command to install：
sudo apt-get install ckermit
Configure the kermit：
sudo vi /etc/kermit/kermrc
Add the line：
set line /dev/ttyUSB1
set speed 115200
set carrier-watch off
set handshake none
set flow-control none
robust
set file type bin
set file name lit

set rec pack 1000
set send pack 1000
set window 5
c
2. Use the "TTL to USB" serial cable to connect the PC and OrangePi

3. Input the command at the PC terminal , search the device number of the "TTL serial "cable.
ls /dev
From the illustration,the TTL serial cable is recognized as "ttyUSB0",modify /ect/kermit/kermitc
file,update the kermitc parameter.
sudo vi /etc/kermit/kermitc
Set the "setline" value as /dev/ttyUSB0

4. Use the kermit to get the debug log.
Input the command on the PC terminal，enter the kermit mode：
sudo kermit -c
Turn on the OrangePi，the serial will output the log automatically.

Debug with termi nal r 2

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Debug with termi nal r 2