_URB_GET_CURRENT_FRAME_NUMBER structure

The _URB_GET_CURRENT_FRAME_NUMBER structure is used by USB client drivers to retrieve the current frame number.

Syntax

struct _URB_GET_CURRENT_FRAME_NUMBER {
  struct _URB_HEADER Hdr;
  ULONG              FrameNumber;
};

Members

Hdr

Pointer to a _URB_HEADER structure that specifies the URB header information. Hdr.Function must be URB_FUNCTION_GET_CURRENT_FRAME_NUMBER, and Hdr.Length must be sizeof(_URB_GET_CURRENT_FRAME_NUMBER).

FrameNumber

Contains the current 32-bit frame number, on the USB bus, on return from the host controller driver.

Requirements

   
Header usb.h (include Usb.h)

See Also

URB

USB Structures

_URB_HEADER