usb相关信息查找

1，查看/proc/bus/usb/001/00
将其挂载到一个目录下
2，mount -t usbfs /proc/bus/usb/001/002 /mnt
进入/mnt可以看到相关信息
3，cat /mnt/001/002
出现信息位：
6       2    
4,cat /mnt/device
出现信息为：
T:  Bus=01 Lev=01 Prnt=01 Port=04 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=15a4 ProdID=1336 Rev= 1.00
S:  Manufacturer=Generic
S:  Product=Mass Storage Device
S:  SerialNumber=00000000000006
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=125us
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

T:  Bus=01 Lev=01 Prnt=01 Port=07 Cnt=02 Dev#=  5 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=10d6 ProdID=1101 Rev= 1.00
S:  Product=USB 2.0(HS) Flash Disk
S:  SerialNumber=A00000600001
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=05 Prot=50 Driver=usb-storage
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms