USBUS event handler function pointers. More...

Detailed Description

USBUS event handler function pointers.

Definition at line 373 of file usbus.h.

#include <usbus.h>

Data Fields
void(*	init )(usbus_t usbus, struct usbus_handler handler)
	Initialize the event handler.

void(*	event_handler )(usbus_t usbus, struct usbus_handler handler, usbus_event_usb_t event)
	event handler function

void(*	transfer_handler )(usbus_t usbus, struct usbus_handler handler, usbdev_ep_t *ep, usbus_event_transfer_t event)
	transfer handler function

int(*	control_handler )(usbus_t usbus, struct usbus_handler handler, usbus_control_request_state_t state, usb_setup_t *request)
	control request handler function

Field Documentation

int(* usbus_handler_driver::control_handler) (usbus_t *usbus, struct usbus_handler *handler, usbus_control_request_state_t state, usb_setup_t *request)

control request handler function

This function receives USB control requests from the USBUS stack.

Parameters

Returns: Size of the returned data when the request is handled; negative to have the stack return an USB stall to the host; zero when the request is not handled by this handler

Definition at line 426 of file usbus.h.

void(* usbus_handler_driver::event_handler) (usbus_t *usbus, struct usbus_handler *handler, usbus_event_usb_t event)

event handler function

This function is passed USBUS events

Parameters

usbus	USBUS context
handler	handler context
event	usbus_event_usb_t event to handle

Definition at line 395 of file usbus.h.

void(* usbus_handler_driver::init) (usbus_t *usbus, struct usbus_handler *handler)

Initialize the event handler.

This function is called in the USBUS thread context to initialize the event handler

Parameters

usbus	USBUS context
handler	handler context

Definition at line 384 of file usbus.h.

void(* usbus_handler_driver::transfer_handler) (usbus_t *usbus, struct usbus_handler *handler, usbdev_ep_t *ep, usbus_event_transfer_t event)

transfer handler function

This function receives transfer based events

Parameters

usbus	USBUS context
handler	handler context
ep	usbdev endpoint that triggered the event
event	usbus_event_transfer_t event

Definition at line 408 of file usbus.h.

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