这是从Bus Hound中Properties栏中的设备信息:
BUS Type: USB
Device Type: Human Interface Device
Power Draw: 100 milliamps @ 5.0 volts
EndPoint 0: Type=CTL Class=03 SubClass=00 Protocol=00 MaxTranfer=65535
EndPoint 0 OUT: Type=INT Class=03 SubClass=00 Protocol=00 MaxTranfer=4096
EndPoint 0 IN: Type=INT Class=03 SubClass=00 Protocol=00 MaxTranfer=4096
下面是Bus Hound截取到的数据,只发一小段:
us Hound 5.00 capture. Complements of www.perisoft.net
Device - Device ID (followed by the endpoint for USB devices)
(24) USB 人体学输入设备
Phase - Phase Type
CTL USB control transfer STAK NT IRP stack location
DI Data in URB USB request block
IRP NT I/O request packet USTS USB status
LEN Data length
Data - Hex dump of the data transferred
Descr - Description of the phase
Delta - Elapsed time from the previous phase to the current phase
Cmd... - Position in the captured data
Date - Date the phase occurred in year/month/day form
Time - Time the phase occurred in hour:minute:second.millisec form