hub_descriptor_t Struct Reference
[Virtual USB host controller]

Hub descriptor. More...

#include <virthub.h>

Data Fields
uint16_t	characteristics
	Hub characteristics.
uint8_t	length
	Size of this descriptor in bytes.
uint8_t	max_current
	Maximum current (in mA).
uint8_t	port_count
	Number of downstream ports.
uint8_t	port_power [BITS2BYTES(HUB_PORT_COUNT+1)]
	Port power control.
uint8_t	power_on_warm_up
	Time from power-on to stabilized current.
uint8_t	removable_device [BITS2BYTES(HUB_PORT_COUNT+1)]
	Whether device at given port is removable.
uint8_t	type
	Descriptor type (USB_DESCTYPE_HUB).

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Detailed Description

Hub descriptor.

Definition at line 55 of file virthub.h.

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Field Documentation

uint8_t port_power[BITS2BYTES(HUB_PORT_COUNT+1)]

Port power control.

This is USB1.0 compatibility field, all bits must be 1.

Definition at line 75 of file virthub.h.

uint8_t power_on_warm_up

Time from power-on to stabilized current.

Expressed in 2ms unit.

Definition at line 67 of file virthub.h.

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

• doxygen-tmp/development_branch/uspace/drv/vhc/hub/virthub.h

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