_URB_GET_CURRENT_FRAME_NUMBER structure (usb.h)
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
Requirement | Value |
---|---|
Header | usb.h (include Usb.h) |