libusb_control_setup Struct Reference

#include <libusb.h>

Data Fields
uint8_t	bmRequestType
uint8_t	bRequest
uint16_t	wValue
uint16_t	wIndex
uint16_t	wLength

Detailed Description

Setup packet for control transfers.

Field Documentation

uint8_t libusb_control_setup::bmRequestType

Request type. Bits 0:4 determine recipient, see libusb_request_recipient. Bits 5:6 determine type, see libusb_request_type. Bit 7 determines data transfer direction, see libusb_endpoint_direction.

uint8_t libusb_control_setup::bRequest

Request. If the type bits of bmRequestType are equal to LIBUSB_REQUEST_TYPE_STANDARD then this field refers to libusb_standard_request. For other cases, use of this field is application-specific.

uint16_t libusb_control_setup::wIndex

Index. Varies according to request, typically used to pass an index or offset

uint16_t libusb_control_setup::wLength

Number of bytes to transfer

uint16_t libusb_control_setup::wValue

Value. Varies according to request

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

• /Users/magnusrunesson/Downloads/ev3sources-master-2/lms2012/c_com/source/libusb.h