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USB_StdDescriptor_DeviceQualifier_t Struct Reference
USB Descriptors

Standard USB Device Qualifier Descriptor (USB-IF naming conventions). More...

`#include <StdDescriptors.h>`

## Data Fields
uint16_t | bcdUSB
uint8_t | bDescriptorType
uint8_t | bDeviceClass
uint8_t | bDeviceProtocol
uint8_t | bDeviceSubClass
uint8_t | bLength
uint8_t | bMaxPacketSize0
uint8_t | bNumConfigurations
uint8_t | bReserved

## Detailed Description

Type define for a standard Device Qualifier Descriptor. This structure uses the relevant standard's given element names to ensure compatibility with the standard.

See also
  USB_Descriptor_DeviceQualifier_t for the version of this type with non-standard LUFA specific element names.

## Field Documentation

uint16_t USB_StdDescriptor_DeviceQualifier_t::bcdUSB

BCD of the supported USB specification.

See also
  VERSION_BCD() utility macro.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bDescriptorType

Type of the descriptor, either a value in USB_DescriptorTypes_t or a value given by the specific class.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bDeviceClass

USB device class.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bDeviceProtocol

USB device protocol.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bDeviceSubClass

USB device subclass.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bLength

Size of the descriptor, in bytes.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bMaxPacketSize0

Size of the control (address 0) endpoint's bank in bytes.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bNumConfigurations

Total number of configurations supported by the device.

uint8_t USB_StdDescriptor_DeviceQualifier_t::bReserved

Reserved for future use, must be 0.

The documentation for this struct was generated from the following file:

- Drivers/USB/Core/StdDescriptors.h