这两周利用公司的微控制器操作MAX3420E枚举成PC上的设备,遇到问题,利用BUS HOUND软件抓到调试信息如下:
Bus Hound 6.01 capture on Windows XP Service Pack 3 (x86). Complements of www.perisoft.net
Device - Device ID (followed by the endpoint for USB devices)
(29) USB 人体学输入设备
(31) USB 人体学输入设备
(33) Unknown Device
(34) USB 人体学输入设备
(35) HID-compliant mouse
Address - FireWire async address or channel number
Length - Total transfer length
Phase - Phase Type
CTL USB control transfer
IN Data in transfer
USTS USB status
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
Driver - Driver that submitted the command
usbhub : Default Hub Driver for USB 5.1.2600.5512 (xpsp.080413-2108)
hidusb : USB Miniport Driver for Input Devices 5.1.2600.5512 (xpsp.080413-2108)
Cmd.Phase
Device Address Length Phase Data Description Delta .Ofs(rep) Driver
------ ------- ----- ----- ------------------------ -------------- ----- --------- ------
31.0 CTL 80 06 00 03 00 00 ff 00 GET DESCRIPTOR 29mn 1.1.0(2) usbhub