root@ubuntu:/home/lyd/work/code/cyusb# lsusb Bus 001 Device 009: ID 04b4:00f1 Cypress Semiconductor Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 004: ID 0e0f:0008 VMware, Inc. Bus 002 Device 003: ID 0e0f:0002 VM