
GL850 USB 2.0 4-Port HUB Controller
2000-2003 Genesys Logic Inc.—All rights reserved.
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CLEAR_FEATURE
(Endpoint1 halt)
00000010b
01h
0000h
0081h
0000h
Zero length packet
GET_INTERFACE
GET_STATUS
(Device)
GET_STATUS
(Interface)
GET_STATUS
(Endpoint0)
no support
GET_STATUS
(Endpoint1)
SET_FEATURE
(Test_J)
SET_FEATURE
(Test_K)
SET_FEATURE
(Test_SE0_NAK)
SET_FEATURE
(Test_Packet)
SET_FEATURE
(Test_Force_Enable)
Note: 1. The detailed information for these descriptors is described in Section 6.2.
5.3.1.2 Hub Class Requests
10000001b
0Ah
0000h
0000h
0001h
00h
10000000b
00h
0000h
0000h
0002h
Device status
10000001b
00h
0000h
0000h
0002h
0000h
10000010b
00h
0000h
0000h/
0080h
0002h
Endpoint0 status
10000010b
00h
0000h
0081h
0002h
Endpoint1 status
00000000b
03h
0002h
0100h
0000h
Zero length packet
00000000b
03h
0002h
0200h
0000h
Zero length packet
00000000b
03h
0002h
0300h
0000h
Zero length packet
00000000b
03h
0002h
0400h
0000h
Zero length packet
00000000b
03h
0002h
0500h
0000h
Zero length packet
Table 5.3 - Hub Class Requests List
Request
bmRequestType
10100000b
bRequest wValue wIndex wLength
06h
2900h
Return
GetHubDesciptor
0000h
0009h
Hub Descriptor (Note1)
Hub status and change
status
Port status and port
change status
GetHubStatus
10100000b
00h
0000h
0000h
0004h
GetPortStatus
10100011b
00h
0000h
0001h~
0004h
0001h~
0004h
0001h~
0004h
0001h~
0004h
0004h
SetPortFeature
(PORT_RESET)
SetPortFeature
(PORT_SUSPEND)
SetPortFeature
(PORT_POWER)
ClearHubFeature
(C_HUB_OVER_CUR
RENT)
ClearPortFeature
(PORT_ENABLE)
ClearPortFeature
(PORT_SUSPEND)
ClearPortFeature
(PORT_POWER)
ClearPortFeature
(PORT_INDICATOR)
00100011b
03h
0004h
0000h
Zero length packet
00100011b
03h
0002h
0000h
Zero length packet
00100011b
03h
0008h
0000h
Zero length packet
00100000b
01h
0001h
0000h
0000h
Zero length packet
00100011b
01h
0001h
0001h~
0004H
0001h~
0004H
0001h~
0004H
0000h
Zero length packet
00100011b
01h
0002h
0000h
Zero length packet
00100011b
01h
0008h
0000h
Zero length packet
00100011b
01h
0016h
(Note2)
0000h
Zero length packet