Linux - 如何查看USB设备信息

方法一：在/etc/init.d/rcS中添加mount -t usbfs none /proc/bus/usb.

方法二：在shell中输入mount -t usbfs /proc/bus/usb /proc/bus/usb.

前提是在编译内核时选中usb device filesystem。

#　cat /proc/bus/usb /device

T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2

B: Alloc= 0/900 us ( 0%), #Int= 1, #Iso= 0

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

P: Vendor=1d6b ProdID=0001 Rev= 2.06

S: Manufacturer=Linux 2.6.32.2-ltls ohci_hcd

S: Product=S3C24XX OHCI

S: SerialNumber=s3c24xx

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=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 4

D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1

P: Vendor=0000 ProdID=0000 Rev= 1.25

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= 1 Ivl=255ms

T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 7 Spd=12 MxCh= 0

D: Ver= 2.00 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64 #Cfgs= 1

P: Vendor=160a ProdID=3184 Rev= 2.05

S: Manufacturer=VIA Networking Technologies, Inc.

S: Product=VNT USB-802.11 Wireless LAN Adapter

C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA

I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=vntwusb

E: Ad=81(I) Atr=03(Int.) MxPS= 32 Ivl=1ms

E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms

E: Ad=03(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms