USB_StdDescriptor_DeviceQualifier_t Struct Reference

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

#include <StdDescriptors.h>

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

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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.

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Field Documentation

uint16_t USB_StdDescriptor_DeviceQualifier_t::bcdUSB

BCD of the supported USB specification.

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.

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

• Drivers/USB/Core/StdDescriptors.h