usb_hub_descriptor Struct Reference

USB Hub Descriptor. More...

#include <usb_hub.h>

Data Fields
uint8_t	bDescLength
	Descriptor length.
uint8_t	bDescriptorType
	Descriptor type.
uint8_t	bNbrPorts
	Number of downstream facing ports.
uint16_t	wHubCharacteristics
	Hub characteristics bitmap.
uint8_t	bPwrOn2PwrGood
	Time from power-on to power-good (in 2ms intervals).
uint8_t	bHubContrCurrent
	Maximum current requirements of the Hub Controller (in mA).

Detailed Description

USB Hub Descriptor.

See Table 11-13 of the specification.

Field Documentation

bDescLength

uint8_t usb_hub_descriptor::bDescLength

Descriptor length.

bDescriptorType

uint8_t usb_hub_descriptor::bDescriptorType

Descriptor type.

bHubContrCurrent

uint8_t usb_hub_descriptor::bHubContrCurrent

Maximum current requirements of the Hub Controller (in mA).

bNbrPorts

uint8_t usb_hub_descriptor::bNbrPorts

Number of downstream facing ports.

bPwrOn2PwrGood

uint8_t usb_hub_descriptor::bPwrOn2PwrGood

Time from power-on to power-good (in 2ms intervals).

wHubCharacteristics

uint16_t usb_hub_descriptor::wHubCharacteristics

Hub characteristics bitmap.

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

• include/zephyr/usb/class/usb_hub.h