After all the serial screen display controls are set, click the save button in the upper left corner. Move the 'TGUS_SET' folder in the folder where the project file is located to the root directory of the USB drive.

9.2 USB 下载接口

Then use the OTG line to connect the U disk to the serial port screen, the screen will automatically restart and enter the download state. During the download process, there will be a text prompt when the screen displays “The file storage has finished...”. Pull out the U disk card and restart the display.