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- $dmesg | tail
- usb 1-7: new high-speed USB device number 11 using ehci-pci
- usb 1-7: New USB device found, idVendor=1a4e, idProduct=7021
- usb 1-7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
- usb 1-7: Product: AMON
- usb 1-7: Manufacturer: INFRASONIC
- usb 1-7: SerialNumber: no serial number
- $sudo lsusb -D /dev/bus/usb/001/012
- Device: ID 1a4e:7021
- Device Descriptor:
- bLength 18
- bDescriptorType 1
- bcdUSB 2.00
- bDeviceClass 0 (Defined at Interface level)
- bDeviceSubClass 0
- bDeviceProtocol 0
- bMaxPacketSize0 64
- idVendor 0x1a4e
- idProduct 0x7021
- bcdDevice 1.00
- iManufacturer 1 INFRASONIC
- iProduct 2 AMON
- iSerial 3 no serial number
- bNumConfigurations 1
- Configuration Descriptor:
- bLength 9
- bDescriptorType 2
- wTotalLength 72
- bNumInterfaces 2
- bConfigurationValue 1
- iConfiguration 0
- bmAttributes 0x80
- (Bus Powered)
- MaxPower 480mA
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 0
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 255 Vendor Specific Class
- bInterfaceSubClass 0
- bInterfaceProtocol 0
- iInterface 0
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 0
- bNumEndpoints 0
- bInterfaceClass 255 Vendor Specific Class
- bInterfaceSubClass 0
- bInterfaceProtocol 0
- iInterface 0
- Interface Descriptor:
- bLength 9
- bDescriptorType 4
- bInterfaceNumber 1
- bAlternateSetting 1
- bNumEndpoints 4
- bInterfaceClass 255 Vendor Specific Class
- bInterfaceSubClass 0
- bInterfaceProtocol 0
- iInterface 0
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x81 EP 1 IN
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x004e 1x 78 bytes
- bInterval 1
- bRefresh 0
- bSynchAddress 0
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x02 EP 2 OUT
- bmAttributes 5
- Transfer Type Isochronous
- Synch Type Asynchronous
- Usage Type Data
- wMaxPacketSize 0x004e 1x 78 bytes
- bInterval 1
- bRefresh 0
- bSynchAddress 0
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x83 EP 3 IN
- bmAttributes 3
- Transfer Type Interrupt
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0200 1x 512 bytes
- bInterval 4
- bRefresh 0
- bSynchAddress 0
- Endpoint Descriptor:
- bLength 9
- bDescriptorType 5
- bEndpointAddress 0x04 EP 4 OUT
- bmAttributes 2
- Transfer Type Bulk
- Synch Type None
- Usage Type Data
- wMaxPacketSize 0x0200 1x 512 bytes
- bInterval 4
- bRefresh 0
- bSynchAddress 0
- Device Qualifier (for other device speed):
- bLength 10
- bDescriptorType 6
- bcdUSB 2.00
- bDeviceClass 0 (Defined at Interface level)
- bDeviceSubClass 0
- bDeviceProtocol 0
- bMaxPacketSize0 64
- bNumConfigurations 1
- Device Status: 0x0000
- (Bus Powered)
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