Information for device Teensy 4.0 (VID=0x239A PID=0x8086):
*** ERROR: Descriptor has errors! ***
Connection Information:
------------------------------
Device current bus speed: HighSpeed
Device supports USB 1.1 specification
Device supports USB 2.0 specification
Device address: 0x001E
Current configuration value: 0x00
Number of open pipes: 0
Device Descriptor:
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0x12 bLength
0x01 bDescriptorType
0x0200 bcdUSB
0x00 bDeviceClass
0x00 bDeviceSubClass
0x00 bDeviceProtocol
0x40 bMaxPacketSize0 (64 bytes)
0x239A idVendor
0x8086 idProduct
0x0100 bcdDevice
0x02 iManufacturer "PJRC"
0x03 iProduct "Teensy 4.0"
0x01 iSerialNumber "D110F7762D1770F1AC00000520002400"
0x01 bNumConfigurations
Device Qualifier Descriptor is not available. Error code: 0x0000001F
Configuration Descriptor:
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0x09 bLength
0x02 bDescriptorType
0x0082 wTotalLength (130 bytes)
0x04 bNumInterfaces
0x01 bConfigurationValue
0x00 iConfiguration
0xA0 bmAttributes (Bus-powered Device, Remote-Wakeup)
0x32 bMaxPower (100 mA)
Interface Association Descriptor:
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0x08 bLength
0x0B bDescriptorType
0x00 bFirstInterface
0x02 bInterfaceCount
0x02 bFunctionClass (Communication Device Class)
0x02 bFunctionSubClass (Abstract Control Model - ACM)
0x00 bFunctionProtocol
0x00 iFunction
Interface Descriptor:
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0x09 bLength
0x04 bDescriptorType
0x00 bInterfaceNumber
0x00 bAlternateSetting
0x01 bNumEndPoints
0x02 bInterfaceClass (Communication Device Class)
0x02 bInterfaceSubClass (Abstract Control Model - ACM)
0x00 bInterfaceProtocol
0x04 iInterface "CircuitPython CDC control"
CDC Header Functional Descriptor:
------------------------------
0x05 bFunctionalLength
0x24 bDescriptorType
0x00 bDescriptorSubtype
0x0110 bcdCDC
CDC Call Management Functional Descriptor:
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0x05 bFunctionalLength
0x24 bDescriptorType
0x01 bDescriptorSubtype
0x01 bmCapabilities
0x01 bDataInterface
CDC Abstract Control Management Functional Descriptor:
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0x04 bFunctionalLength
0x24 bDescriptorType
0x02 bDescriptorSubtype
0x02 bmCapabilities
CDC Union Functional Descriptor:
------------------------------
0x05 bFunctionalLength
0x24 bDescriptorType
0x06 bDescriptorSubtype
0x00 bControlInterface
0x01 bSubordinateInterface(0)
Endpoint Descriptor:
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0x07 bLength
0x05 bDescriptorType
0x81 bEndpointAddress (IN endpoint 1)
0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data)
0x0040 wMaxPacketSize (1 x 64 bytes)
0x10 bInterval (32768 microframes)
Interface Descriptor:
------------------------------
0x09 bLength
0x04 bDescriptorType
0x01 bInterfaceNumber
0x00 bAlternateSetting
0x02 bNumEndPoints
0x0A bInterfaceClass (CDC Data)
0x00 bInterfaceSubClass
0x00 bInterfaceProtocol
0x05 iInterface "CircuitPython CDC data"
Endpoint Descriptor:
------------------------------
0x07 bLength
0x05 bDescriptorType
0x02 bEndpointAddress (OUT endpoint 2)
0x02 bmAttributes (Transfer: Bulk / Synch: None / Usage: Data)
0x0040 wMaxPacketSize (64 bytes)
0x10 bInterval
*** ERROR: Invalid wMaxPacketSize. Must be 512 bytes in high speed mode.
Endpoint Descriptor:
------------------------------
0x07 bLength
0x05 bDescriptorType
0x82 bEndpointAddress (IN endpoint 2)
0x02 bmAttributes (Transfer: Bulk / Synch: None / Usage: Data)
0x0040 wMaxPacketSize (64 bytes)
0x10 bInterval
*** ERROR: Invalid wMaxPacketSize. Must be 512 bytes in high speed mode.
Interface Descriptor:
------------------------------
0x09 bLength
0x04 bDescriptorType
0x02 bInterfaceNumber
0x00 bAlternateSetting
0x02 bNumEndPoints
0x08 bInterfaceClass (Mass Storage Device Class)
0x06 bInterfaceSubClass (Transparent SCSI subclass)
0x50 bInterfaceProtocol (Bulk only transport)
0x06 iInterface "CircuitPython Mass Storage"
Endpoint Descriptor:
------------------------------
0x07 bLength
0x05 bDescriptorType
0x83 bEndpointAddress (IN endpoint 3)
0x02 bmAttributes (Transfer: Bulk / Synch: None / Usage: Data)
0x0200 wMaxPacketSize (512 bytes)
0x00 bInterval
Endpoint Descriptor:
------------------------------
0x07 bLength
0x05 bDescriptorType
0x03 bEndpointAddress (OUT endpoint 3)
0x02 bmAttributes (Transfer: Bulk / Synch: None / Usage: Data)
0x0200 wMaxPacketSize (512 bytes)
0x00 bInterval
Interface Descriptor:
------------------------------
0x09 bLength
0x04 bDescriptorType
0x03 bInterfaceNumber
0x00 bAlternateSetting
0x02 bNumEndPoints
0x03 bInterfaceClass (Human Interface Device Class)
0x00 bInterfaceSubClass
0x00 bInterfaceProtocol
0x07 iInterface "CircuitPython HID"
HID Descriptor:
------------------------------
0x09 bLength
0x21 bDescriptorType
0x0111 bcdHID
0x00 bCountryCode
0x01 bNumDescriptors
0x22 bDescriptorType (Report descriptor)
0x00C3 bDescriptorLength
Endpoint Descriptor:
------------------------------
0x07 bLength
0x05 bDescriptorType
0x84 bEndpointAddress (IN endpoint 4)
0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data)
0x0040 wMaxPacketSize (1 x 64 bytes)
0x08 bInterval (128 microframes)
Endpoint Descriptor:
------------------------------
0x07 bLength
0x05 bDescriptorType
0x04 bEndpointAddress (OUT endpoint 4)
0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data)
0x0040 wMaxPacketSize (1 x 64 bytes)
0x08 bInterval (128 microframes)
Microsoft OS Descriptor is not available. Error code: 0x0000001F
String Descriptor Table
--------------------------------
Index LANGID String
0x00 0x0000 0x0409
0x02 0x0409 "PJRC"
0x03 0x0409 "Teensy 4.0"
0x01 0x0409 "D110F7762D1770F1AC00000520002400"
0x04 0x0409 "CircuitPython CDC control"
0x05 0x0409 "CircuitPython CDC data"
0x06 0x0409 "CircuitPython Mass Storage"
0x07 0x0409 "CircuitPython HID"
------------------------------
Connection path for device:
USB xHCI Compliant Host Controller
Root Hub
Teensy 4.0 (VID=0x239A PID=0x8086) Port: 2
Running on: Windows 10 or greater (Build Version 18362)
Brought to you by TDD v2.12.0, Aug 2 2019, 16:35:05