关于利用MAX3420E在PC下扩展USB口遇到的有关问题，如律令！
关于利用MAX3420E在PC上扩展USB口遇到的问题，急急如律令！！！
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
31.0 4 IN 04 03 09 04 .... 4.6ms 1.2.0
31.0 CTL 80 06 02 03 09 04 ff 00 GET DESCRIPTOR 18us 2.1.0(2) usbhub
31.0 24 IN 18 03 4d 00 41 00 58 00 ..M.A.X. 4.9ms 2.2.0
33 00 34 00 32 00 30 00 3.4.2.0. 2.2.8
45 00 20 00 45 00 6e 00 E. .E.n. 2.2.16
31.0 CTL 80 06 00 01 00 00 12 00 GET DESCRIPTOR 16ms 5.1.0 hidusb
31.0 18 IN 12 01 10 01 00 00 00 40 .......@ 3.3ms 5.2.0
6a 0b 46 53 34 12 01 02 j.FS4... 5.2.8
03 01 .. 5.2.16
31.0 CTL 80 06 00 02 00 00 09 00 GET DESCRIPTOR 16us 6.1.0 hidusb
31.0 9 IN 09 02 22 00 01 01 00 80 .."..... 3.9ms 6.2.0
32 2 6.2.8
31.0 CTL 80 06 00 02 00 00 22 00 GET DESCRIPTOR 16us 7.1.0 hidusb
31.0 34 IN 09 02 22 00 01 01 00 80 .."..... 7.9ms 7.2.0
32 09 04 00 00 01 03 00 2....... 7.2.8
00 00 09 21 10 01 00 01 ...!.... 7.2.16
22 1d 00 07 05 83 03 40 "......@ 7.2.24
00 0a .. 7.2.32
31.0 CTL 00 09 01 00 00 00 00 00 SET CONFIG 17us 8.1.0 hidusb
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
31.0 4 IN 04 03 09 04 .... 4.6ms 1.2.0
31.0 CTL 80 06 02 03 09 04 ff 00 GET DESCRIPTOR 18us 2.1.0(2) usbhub
31.0 24 IN 18 03 4d 00 41 00 58 00 ..M.A.X. 4.9ms 2.2.0
33 00 34 00 32 00 30 00 3.4.2.0. 2.2.8
45 00 20 00 45 00 6e 00 E. .E.n. 2.2.16
31.0 CTL 80 06 00 01 00 00 12 00 GET DESCRIPTOR 16ms 5.1.0 hidusb
31.0 18 IN 12 01 10 01 00 00 00 40 .......@ 3.3ms 5.2.0
6a 0b 46 53 34 12 01 02 j.FS4... 5.2.8
03 01 .. 5.2.16
31.0 CTL 80 06 00 02 00 00 09 00 GET DESCRIPTOR 16us 6.1.0 hidusb
31.0 9 IN 09 02 22 00 01 01 00 80 .."..... 3.9ms 6.2.0
32 2 6.2.8
31.0 CTL 80 06 00 02 00 00 22 00 GET DESCRIPTOR 16us 7.1.0 hidusb
31.0 34 IN 09 02 22 00 01 01 00 80 .."..... 7.9ms 7.2.0
32 09 04 00 00 01 03 00 2....... 7.2.8
00 00 09 21 10 01 00 01 ...!.... 7.2.16
22 1d 00 07 05 83 03 40 "......@ 7.2.24
00 0a .. 7.2.32
31.0 CTL 00 09 01 00 00 00 00 00 SET CONFIG 17us 8.1.0 hidusb