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/doc/usbinfo.txt
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| a | b/doc/usbinfo.txt | ||
|---|---|---|---|
| 1 | Bus 002 Device 003: ID 21a1:0001 |
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| 2 | Device Descriptor: |
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| 3 | bLength 18 |
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| 4 | bDescriptorType 1 |
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| 5 | bcdUSB 2.00 |
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| 6 | bDeviceClass 0 (Defined at Interface level) |
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| 7 | bDeviceSubClass 0 |
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| 8 | bDeviceProtocol 0 |
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| 9 | bMaxPacketSize0 8 |
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| 10 | idVendor 0x21a1 |
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| 11 | idProduct 0x0001 |
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| 12 | bcdDevice 0.03 |
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| 13 | iManufacturer 1 |
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| 14 | iProduct 2 |
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| 15 | iSerial 3 |
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| 16 | bNumConfigurations 1 |
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| 17 | Configuration Descriptor: |
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| 18 | bLength 9 |
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| 19 | bDescriptorType 2 |
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| 20 | wTotalLength 59 |
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| 21 | bNumInterfaces 2 |
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| 22 | bConfigurationValue 1 |
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| 23 | iConfiguration 0 |
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| 24 | bmAttributes 0x80 |
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| 25 | (Bus Powered) |
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| 26 | MaxPower 100mA |
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| 27 | Interface Descriptor: |
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| 28 | bLength 9 |
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| 29 | bDescriptorType 4 |
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| 30 | bInterfaceNumber 0 |
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| 31 | bAlternateSetting 0 |
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| 32 | bNumEndpoints 1 |
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| 33 | bInterfaceClass 3 Human Interface Device |
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| 34 | bInterfaceSubClass 0 No Subclass |
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| 35 | bInterfaceProtocol 0 None |
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| 36 | iInterface 0 |
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| 37 | HID Device Descriptor: |
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| 38 | bLength 9 |
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| 39 | bDescriptorType 33 |
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| 40 | bcdHID 1.11 |
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| 41 | bCountryCode 33 US |
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| 42 | bNumDescriptors 1 |
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| 43 | bDescriptorType 34 Report |
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| 44 | wDescriptorLength 20 |
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| 45 | Report Descriptors: |
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| 46 | ** UNAVAILABLE ** |
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| 47 | Endpoint Descriptor: |
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| 48 | bLength 7 |
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| 49 | bDescriptorType 5 |
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| 50 | bEndpointAddress 0x81 EP 1 IN |
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| 51 | bmAttributes 3 |
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| 52 | Transfer Type Interrupt |
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| 53 | Synch Type None |
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| 54 | Usage Type Data |
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| 55 | wMaxPacketSize 0x0008 1x 8 bytes |
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| 56 | bInterval 1 |
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| 57 | Interface Descriptor: |
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| 58 | bLength 9 |
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| 59 | bDescriptorType 4 |
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| 60 | bInterfaceNumber 1 |
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| 61 | bAlternateSetting 0 |
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| 62 | bNumEndpoints 1 |
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| 63 | bInterfaceClass 3 Human Interface Device |
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| 64 | bInterfaceSubClass 0 No Subclass |
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| 65 | bInterfaceProtocol 0 None |
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| 66 | iInterface 4 |
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| 67 | HID Device Descriptor: |
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| 68 | bLength 9 |
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| 69 | bDescriptorType 33 |
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| 70 | bcdHID 1.11 |
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| 71 | bCountryCode 0 Not supported |
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| 72 | bNumDescriptors 1 |
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| 73 | bDescriptorType 34 Report |
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| 74 | wDescriptorLength 28 |
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| 75 | Report Descriptors: |
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| 76 | ** UNAVAILABLE ** |
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| 77 | Endpoint Descriptor: |
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| 78 | bLength 7 |
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| 79 | bDescriptorType 5 |
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| 80 | bEndpointAddress 0x82 EP 2 IN |
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| 81 | bmAttributes 3 |
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| 82 | Transfer Type Interrupt |
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| 83 | Synch Type None |
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| 84 | Usage Type Data |
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| 85 | wMaxPacketSize 0x0020 1x 32 bytes |
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| 86 | bInterval 1 |
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| 87 | can't get device qualifier: Operation not permitted |
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| 88 | can't get debug descriptor: Operation not permitted |
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| 89 | cannot read device status, Operation not permitted (1) |