1 What: /config/usb-gadget 1 What: /config/usb-gadget
2 Date: Jun 2013 2 Date: Jun 2013
3 KernelVersion: 3.11 3 KernelVersion: 3.11
4 Description: 4 Description:
5 This group contains sub-groups 5 This group contains sub-groups corresponding to created
6 USB gadgets. 6 USB gadgets.
7 7
8 What: /config/usb-gadget/gadget 8 What: /config/usb-gadget/gadget
9 Date: Jun 2013 9 Date: Jun 2013
10 KernelVersion: 3.11 10 KernelVersion: 3.11
11 Description: 11 Description:
12 12
13 The attributes of a gadget: 13 The attributes of a gadget:
14 14
15 ================ ============ !! 15 UDC - bind a gadget to UDC/unbind a gadget;
16 UDC bind a gadge !! 16 write UDC's name found in /sys/class/udc/*
17 write UDC's !! 17 to bind a gadget, empty string "" to unbind.
18 to bind a ga !! 18
19 !! 19 bDeviceClass - USB device class code
20 max_speed maximum spee !! 20 bDeviceSubClass - USB device subclass code
21 names are su !! 21 bDeviceProtocol - USB device protocol code
22 high-speed, !! 22 bMaxPacketSize0 - maximum endpoint 0 packet size
23 !! 23 bcdDevice - bcd device release number
24 bDeviceClass USB device c !! 24 bcdUSB - bcd USB specification version number
25 bDeviceSubClass USB device s !! 25 idProduct - product ID
26 bDeviceProtocol USB device p !! 26 idVendor - vendor ID
27 bMaxPacketSize0 maximum endp <<
28 bcdDevice bcd device r <<
29 bcdUSB bcd USB spec <<
30 idProduct product ID <<
31 idVendor vendor ID <<
32 ================ ============ <<
33 27
34 What: /config/usb-gadget/gadget/conf 28 What: /config/usb-gadget/gadget/configs
35 Date: Jun 2013 29 Date: Jun 2013
36 KernelVersion: 3.11 30 KernelVersion: 3.11
37 Description: 31 Description:
38 This group contains a USB gadg 32 This group contains a USB gadget's configurations
39 33
40 What: /config/usb-gadget/gadget/conf 34 What: /config/usb-gadget/gadget/configs/config
41 Date: Jun 2013 35 Date: Jun 2013
42 KernelVersion: 3.11 36 KernelVersion: 3.11
43 Description: 37 Description:
44 The attributes of a configurat 38 The attributes of a configuration:
45 39
46 ================ ============ !! 40 bmAttributes - configuration characteristics
47 bmAttributes configuratio !! 41 MaxPower - maximum power consumption from the bus
48 MaxPower maximum powe <<
49 ================ ============ <<
50 42
51 What: /config/usb-gadget/gadget/conf 43 What: /config/usb-gadget/gadget/configs/config/strings
52 Date: Jun 2013 44 Date: Jun 2013
53 KernelVersion: 3.11 45 KernelVersion: 3.11
54 Description: 46 Description:
55 This group contains subdirecto 47 This group contains subdirectories for language-specific
56 strings for this configuration 48 strings for this configuration.
57 49
58 What: /config/usb-gadget/gadget/conf 50 What: /config/usb-gadget/gadget/configs/config/strings/language
59 Date: Jun 2013 51 Date: Jun 2013
60 KernelVersion: 3.11 52 KernelVersion: 3.11
61 Description: 53 Description:
62 The attributes: 54 The attributes:
63 55
64 ================ ============ !! 56 configuration - configuration description
65 configuration configuratio <<
66 ================ ============ <<
67 57
68 58
69 What: /config/usb-gadget/gadget/func 59 What: /config/usb-gadget/gadget/functions
70 Date: Jun 2013 60 Date: Jun 2013
71 KernelVersion: 3.11 61 KernelVersion: 3.11
72 Description: 62 Description:
73 This group contains functions 63 This group contains functions available to this USB gadget.
74 64
75 What: /config/usb-gadget/gadget/func 65 What: /config/usb-gadget/gadget/functions/<func>.<inst>/interface.<n>
76 Date: May 2014 66 Date: May 2014
77 KernelVersion: 3.16 67 KernelVersion: 3.16
78 Description: 68 Description:
79 This group contains "Feature D 69 This group contains "Feature Descriptors" specific for one
80 gadget's USB interface or one 70 gadget's USB interface or one interface group described
81 by an IAD. 71 by an IAD.
82 72
83 The attributes: 73 The attributes:
84 74
85 ================= ====== !! 75 compatible_id - 8-byte string for "Compatible ID"
86 compatible_id 8-byte !! 76 sub_compatible_id - 8-byte string for "Sub Compatible ID"
87 sub_compatible_id 8-byte <<
88 ================= ====== <<
89 77
90 What: /config/usb-gadget/gadget/func 78 What: /config/usb-gadget/gadget/functions/<func>.<inst>/interface.<n>/<property>
91 Date: May 2014 79 Date: May 2014
92 KernelVersion: 3.16 80 KernelVersion: 3.16
93 Description: 81 Description:
94 This group contains "Extended 82 This group contains "Extended Property Descriptors" specific for one
95 gadget's USB interface or one 83 gadget's USB interface or one interface group described
96 by an IAD. 84 by an IAD.
97 85
98 The attributes: 86 The attributes:
99 87
100 ===== ============== !! 88 type - value 1..7 for interpreting the data
101 type value 1..7 for !! 89 1: unicode string
102 !! 90 2: unicode string with environment variable
103 - 1: unicode s !! 91 3: binary
104 - 2: unicode s !! 92 4: little-endian 32-bit
105 - 3: binary !! 93 5: big-endian 32-bit
106 - 4: little-en !! 94 6: unicode string with a symbolic link
107 - 5: big-endia !! 95 7: multiple unicode strings
108 - 6: unicode s !! 96 data - blob of data to be interpreted depending on
109 - 7: multiple <<
110 data blob of data t <<
111 type 97 type
112 ===== ============== <<
113 98
114 What: /config/usb-gadget/gadget/stri 99 What: /config/usb-gadget/gadget/strings
115 Date: Jun 2013 100 Date: Jun 2013
116 KernelVersion: 3.11 101 KernelVersion: 3.11
117 Description: 102 Description:
118 This group contains subdirecto 103 This group contains subdirectories for language-specific
119 strings for this gadget. 104 strings for this gadget.
120 105
121 What: /config/usb-gadget/gadget/stri 106 What: /config/usb-gadget/gadget/strings/language
122 Date: Jun 2013 107 Date: Jun 2013
123 KernelVersion: 3.11 108 KernelVersion: 3.11
124 Description: 109 Description:
125 The attributes: 110 The attributes:
126 111
127 ============ ============== !! 112 serialnumber - gadget's serial number (string)
128 serialnumber gadget's seria !! 113 product - gadget's product description
129 product gadget's produ !! 114 manufacturer - gadget's manufacturer description
130 manufacturer gadget's manuf <<
131 ============ ============== <<
132 115
133 What: /config/usb-gadget/gadget/os_d 116 What: /config/usb-gadget/gadget/os_desc
134 Date: May 2014 117 Date: May 2014
135 KernelVersion: 3.16 118 KernelVersion: 3.16
136 Description: 119 Description:
137 This group contains "OS String 120 This group contains "OS String" extension handling attributes.
138 121
139 ============= ============== !! 122 use - flag turning "OS Desctiptors" support on/off
140 use flag turning " !! 123 b_vendor_code - one-byte value used for custom per-device and
141 b_vendor_code one-byte value <<
142 per-interface 124 per-interface requests
143 qw_sign an identifier !! 125 qw_sign - an identifier to be reported as "OS String"
144 proper 126 proper
145 ============= ============== <<
146 <<
147 What: /config/usb-gadget/gadget/webu <<
148 Date: Dec 2022 <<
149 KernelVersion: 6.3 <<
150 Description: <<
151 This group contains "WebUSB" e <<
152 <<
153 ============= ============== <<
154 use flag turning " <<
155 bcdVersion bcd WebUSB spe <<
156 bVendorCode one-byte value <<
157 landingPage UTF-8 encoded <<
158 ============= ============== <<
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