Device ID
Bus 001 Device 004: ID 1f3a:1001 Allwinner Technology Rockrobo ruby
dmesg output
[5991703.724675] usb 1-2: new high-speed USB device number 4 using xhci_hcd
[5991703.881398] usb 1-2: New USB device found, idVendor=1f3a, idProduct=1001, bcdDevice= 2.33
[5991703.881400] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[5991703.881402] usb 1-2: Product: Rockrobo ruby
[5991703.881403] usb 1-2: Manufacturer: Rockrobo USB Developer
[5991703.881404] usb 1-2: SerialNumber: 8a80ab8936d76c118000
[5991703.724675] usb 1-2: new high-speed USB device number 4 using xhci_hcd
[5991703.881398] usb 1-2: New USB device found, idVendor=1f3a, idProduct=1001, bcdDevice= 2.33
[5991703.881400] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[5991703.881402] usb 1-2: Product: Rockrobo ruby
[5991703.881403] usb 1-2: Manufacturer: Rockrobo USB Developer
[5991703.881404] usb 1-2: SerialNumber: 8a80ab8936d76c118000
[5992597.924031] usb 1-2: USB disconnect, device number 4
lsusb output
Bus 001 Device 004: ID 1f3a:1001 Allwinner Technology Rockrobo ruby
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1f3a Allwinner Technology
idProduct 0x1001
bcdDevice 2.33
iManufacturer 1 Rockrobo USB Developer
iProduct 2 Rockrobo ruby
iSerial 3 8a80ab8936d76c118000
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0020
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 224mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 66
bInterfaceProtocol 1
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
can't get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered
