usb_standard_configuration_descriptor_t Struct Reference
[Base USB library]

Standard USB configuration descriptor. More...

#include <descriptor.h>

Data Fields
uint8_t	attributes
	Attribute bitmap.
uint8_t	configuration_number
	Configuration value used when setting this configuration.
uint8_t	descriptor_type
	Descriptor type (USB_DESCTYPE_CONFIGURATION).
uint8_t	interface_count
	Number of possible interfaces under this configuration.
uint8_t	length
	Size of this descriptor in bytes.
uint8_t	max_power
	Maximum power consumption from the USB under this configuration.
uint8_t	str_configuration
	String descriptor describing this configuration.
uint16_t	total_length
	Total length of all data of this configuration.

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Detailed Description

Standard USB configuration descriptor.

Definition at line 93 of file descriptor.h.

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Field Documentation

uint8_t max_power

Maximum power consumption from the USB under this configuration.

Expressed in 2mA unit (e.g. 50 ~ 100mA).

Definition at line 115 of file descriptor.h.

uint16_t total_length

Total length of all data of this configuration.

This includes the combined length of all descriptors (configuration, interface, endpoint, class-specific and vendor-specific) valid for this configuration.

Definition at line 103 of file descriptor.h.

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

• doxygen-tmp/development_branch/uspace/lib/usb/include/usb/descriptor.h

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