Getting Basic Information from a USB Device

Top-level stuff (no code required)
From command line:

[strattonsr@bishop]$ lsusb

gives manufacturer ID : product ID and one-line description

[strattonsr@bishop]$ cat /sys/kernel/debug/usb/devices

gives more detailed info about device configurations

sample

T: Bus=01 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= 2
P: Vendor=04e8 ProdID=6860 Rev= 4.00
S: Manufacturer=SAMSUNG
S: Product=SAMSUNG_Android_SCH-I535
S: SerialNumber=d6190436
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 96mA
I:* If#=0 Alt= 0 #EPs= 3 Cls=06(still) Sub=01 Prot=01 Driver=(none)
E: Ad=81(I) Atr=02(Bulk) MsPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS=512 Ivl=125us
E: Ad=82(I) Atr=03(Int.) MxPS= 28 Ivl=4ms
C: #Ifs Cfg#= 2 Atr=c0 MxPwr= 96mA
A: FirstIf#= 1 IfCount= 2 Cls=02(comm.) Sub=02 Prot=01
I: If#= 0 Alt= 0 #EPs= 3 Cls=06(still) Sub=01 Prot=01 Driver=
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=125us
E: Ad=82(I) Atr=03(Int.) MxPS=  28 Ivl=4ms
I: If#= 1 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=02 Prot=01 Driver=
E: Ad=84(I) Atr=03(Int.) MxPS=  10 Ivl=32ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms