usb_config_descriptor Struct Reference

Data Fields
uint8_t	bLength
	length of the descriptor in bytes
uint8_t	bDescriptorType
	always USB_DESCRIPTOR_TYPE_CONFIG
uint16_t	wTotalLength
	total length of this descritpor
uint8_t	bNumInterfaces
	the number of interfaces in this config
uint8_t	bConfigurationValue
	parameter for SetConfiguration()
uint8_t	iConfiguration
	string index of this configuration
uint8_t	bmAttributes
	configuration characteristics
uint8_t	bMaxPower
	the maximum power consumption (2mA steps)

Detailed Description

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USB Configuration Descriptor (USB Specification, Rev 2.0, Section 9.6.3)

This descriptor contains information about a specific device configuration. The bConfigurationValue is used as a parameter to SetConfiguration().

wTotalLength: the size of the entire configuration: config descriptor + interfaces + endpoints Each USB device has one or more configuration descriptors

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

• include/usb/usb_descriptor.h