linux 下如何检测开发板usb口的工作是否正常

lsusb

看看你的usb信息都检测出来了没有
wuyue@wuyue-laptop:~$ lsusb
Bus 001 Device 003: ID 0ac8:3330 Z-Star Microelectronics Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 062a:0000 Creative Labs Optical mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Z-Star Microelectronics Corp 我的usb免驱山寨摄像头
Creative Labs Optical mouse 我的usb鼠标