_USB_HOST Struct Reference

#include <usb.h>

Data Fields
DEVICE	device
	The Device entry for this USB Host.
uint32_t	hostid
	Unique Id of this Host in the Host table.
uint32_t	hoststate
	Host state (eg USBHOST_STATE_ENABLED).
usb_host_start_proc	hoststart
	A Host specific HostStart method implementing the standard USB host interface.
usb_host_stop_proc	hoststop
	A Host specific HostStop method implementing the standard USB host interface.
usb_host_reset_proc	hostreset
	A Host specific HostReset method implementing the standard USB host interface.
usb_host_submit_proc	hostsubmit
	A Host specific HostSubmit method implementing the standard USB host interface.
usb_host_cancel_proc	hostcancel
	A Host specific HostCancel method implementing the standard USB host interface.
MUTEX_HANDLE	lock
	Host lock.
USB_DEVICE *	roothub
	The Root hub for this Host (or nil if the Host has not yet been started).
uint32_t	alignment
	Host data buffer alignment (for DMA requests etc).
uint32_t	multiplier
	Host data buffer multiplier (for DMA requests etc).
uint32_t	maxtransfer
	Host maximum transfer size.
uint32_t	requestcount
	Number of USB requests that have been submitted to this host.
uint32_t	requesterrors
	Number of USB requests that have failed on this host.
USB_HOST *	prev
	Previous entry in Host table.
USB_HOST *	next
	Next entry in Host table.

Field Documentation

device

DEVICE device

The Device entry for this USB Host.

hostid

uint32_t hostid

Unique Id of this Host in the Host table.

hoststate

uint32_t hoststate

Host state (eg USBHOST_STATE_ENABLED).

hoststart

usb_host_start_proc hoststart

A Host specific HostStart method implementing the standard USB host interface.

hoststop

usb_host_stop_proc hoststop

A Host specific HostStop method implementing the standard USB host interface.

hostreset

usb_host_reset_proc hostreset

A Host specific HostReset method implementing the standard USB host interface.

hostsubmit

usb_host_submit_proc hostsubmit

A Host specific HostSubmit method implementing the standard USB host interface.

hostcancel

usb_host_cancel_proc hostcancel

A Host specific HostCancel method implementing the standard USB host interface.

lock

MUTEX_HANDLE lock

Host lock.

roothub

USB_DEVICE* roothub

The Root hub for this Host (or nil if the Host has not yet been started).

alignment

uint32_t alignment

Host data buffer alignment (for DMA requests etc).

multiplier

uint32_t multiplier

Host data buffer multiplier (for DMA requests etc).

maxtransfer

uint32_t maxtransfer

Host maximum transfer size.

requestcount

uint32_t requestcount

Number of USB requests that have been submitted to this host.

requesterrors

uint32_t requesterrors

Number of USB requests that have failed on this host.

prev

USB_HOST* prev

Previous entry in Host table.

next

USB_HOST* next

Next entry in Host table.

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

• ultibo/usb.h