Which version of system do you use? Khadas official images, self built images, or others?
官方提供的test中的ubuntu20.04
Please describe your issue below:
直接将pogo pin中的debug_tx和GND与usb转ttl模块相连,再将模块与个人pc相连。
在edge2中直接向串口/dev/ttyFIQ0发送数据,在个人pc中只能收到0xFF等单个字节乱码。
Post a console log of your issue below:
**Delete this line and post your log here.**