Debug Console

Debug serial port is very useful during debugging and troubleshooting,
especially when the GUI is unavailable.

Connection

Use USB cable to connect the device "Console" port with PC.


Install Driver

The serial-to-USB chip is CH342.

Linux PC don't need to install driver.

Windows PC needs driver, please download "CH343SER.EXE" from

Download Link

Double click the exe file to install.

Usage

After driver installation, you will find two serial port "USB-
Enhanced-SERIAL-A CH342" and "USB-Enhanced-SERIAL-A CH342" in Windows
device manager.

The SERIAL-A is the debug port of main Linux system, and the SERIAL-B
is the debug port of RTOS subsystem.

In Linux it will be /dev/ttyUSBX or /dev/ttyACMX, the number X may be
different, you can unplug and plug again to find the corresponding
device.

Use the serial tool like MobaXterm or Minicom to open the serial
device, baudrate is 115200, 8 data bit, 1 stop bit, no parity check.