One 、cutecom

1.1 install

sudo apt-get install cutecom

1.2 Operating instructions

Before using, you need to determine the port name of the operation

ls -l /dev/tty*

If debugging is required USB port , Hang in dev The serial port name under is generally

/dev/ttyUSB*

If debugging is required com mouth （ May be RS232 perhaps RS485）, Hang in dev The serial port name under is generally

/dev/ttyS*

S representative serial Serial port .
After determining the port name , Add permissions to the port

sudo chmod 777 /dev/USB*

function cutecom

cutecom

After entering , Upper right corner settings set baud rate , Data bits and other information , If you need to interact with the port information , stay input Input information , The input mode needs to be selected on the right ,
CR： Represents moving the cursor to the beginning of the line ,LF Indicates moving the cursor vertically to the next line ,CR/LF Represents moving the cursor to the beginning of the next line .
I choose CR/LF Interact with port information .