control_transfer_t Struct Reference

Control transfer state tracking. More...

Data Fields
enum control_stage_t	stage
	Stage the request is currently in.
const struct usb_setup_packet_t *	req
	Setup request that is currently being handled.
void *	data
	Data to be transmitted to/from the host.
uint16_t	data_length
	Total length of data.
uint16_t	data_done
	Transmitted length of data.
void(*	callback_data )(struct control_transfer_t *transfer)
void(*	callback_handshake )(struct control_transfer_t *transfer)
	Function to be called after the ZLP handshake is sent/received.
void(*	callback_cancel )(struct control_transfer_t *transfer)
	Cleanup function to be called when the transfer is cancelled.

Detailed Description

Control transfer state tracking.

Field Documentation

void(* control_transfer_t::callback_data) (struct control_transfer_t *transfer)

Function to be called when new data is received or sent. When the transfer is completed, this callback should move the transfer into the handshake phase.

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

• usb/endpoint_0.h