lsusb -v output
Bus 001 Device 004: ID 1164:7efd YUAN High-Tech Development Co., Ltd Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x1164 YUAN High-Tech Development Co., Ltd idProduct 0x7efd bcdDevice 1.00 iManufacturer 1 iProduct 2 iSerial 3 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 46 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xa0 (Bus Powered) Remote Wakeup MaxPower 500mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 4 bInterfaceClass 255 Vendor Specific Class bInterfaceSubClass 0 bInterfaceProtocol 0 iInterface 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 1 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 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 1 can't get device qualifier: Operation not permitted can't get debug descriptor: Operation not permitted cannot read device status, Operation not permitted (1)
lsusb -v output
Bus 001 Device 004: ID 1164:7efd YUAN High-Tech Development Co., Ltd tions 1 ionValue 1 orType 4 eNumber 0 eSetting 0 eClass 255 Vendor Specific Class eSubClass 0 eProtocol 0
bDescriptorTyp e 5
bEndpointAddre ss 0x01 EP 1 OUT
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x81 EP 1 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x82 EP 2 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
bDescriptorTyp e 5
bEndpointAddre ss 0x83 EP 3 IN
bmAttributes 2
wMaxPacketSize 0x0200 1x 512 bytes
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x1164 YUAN High-Tech Development Co., Ltd
idProduct 0x7efd
bcdDevice 1.00
iManufacturer 1
iProduct 2
iSerial 3
bNumConfigura
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 46
bNumInterfaces 1
bConfigurat
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescript
bInterfac
bAlternat
bNumEndpoints 4
bInterfac
bInterfac
bInterfac
iInterface 0
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 1
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 1
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 1
Endpoint Descriptor:
bLength 7
Transfer Type Bulk
Synch Type None
Usage Type Data
bInterval 1
can't get device qualifier: Operation not permitted
can't get debug descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)