1.通过“ls -ll /proc/bus/usb/devices”获取对应端口号

2.通过“cat /proc/bus/usb/devices”来获取USB所有信息

T:  Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12   MxCh= 1

B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0

D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1

P:  Vendor=1d6b ProdID=0001 Rev= 3.03

S:  Manufacturer=Linux 3.3.8-3.3 ohci_hcd

S:  Product=Broadcom STB OHCI

S:  SerialNumber=ohci_hcd

C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA

I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms

 

T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12   MxCh= 1

B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0

D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1

P:  Vendor=1d6b ProdID=0001 Rev= 3.03

S:  Manufacturer=Linux 3.3.8-3.3 ohci_hcd

S:  Product=Broadcom STB OHCI

S:  SerialNumber=ohci_hcd

C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA

I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms

 

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480  MxCh= 1

B:  Alloc=  0/800 us ( 0%), #Int=  0, #Iso=  0

D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1

P:  Vendor=1d6b ProdID=0002 Rev= 3.03

S:  Manufacturer=Linux 3.3.8-3.3 ehci_hcd

S:  Product=Broadcom STB EHCI

S:  SerialNumber=ehci_hcd

C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=  0mA

I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=256ms

 

T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480  MxCh= 0

D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1

P:  Vendor=13fd ProdID=1617 Rev= 1.01

S:  Manufacturer=Initio 

S:  Product=WD-WXF1EC1XMPM7

S:  SerialNumber=57442D575846314543

C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  2mA

I:* If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage

E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms

 通过第一步的端口号和第二部的信息列表，可以轻松获取U盘设备对应的全部信息