Win32 API 日本語リファレンス
ホームDevices.Usb › WinUsb_GetCurrentFrameNumber

WinUsb_GetCurrentFrameNumber

関数
USBバスの現在のフレーム番号とタイムスタンプを取得する。
DLLWINUSB.dll呼出規約winapiSetLastErrorあり対応OSWindows 8.1 以降

シグネチャ

// WINUSB.dll
#include <windows.h>

BOOL WinUsb_GetCurrentFrameNumber(
    WINUSB_INTERFACE_HANDLE InterfaceHandle,
    DWORD* CurrentFrameNumber,
    LONGLONG* TimeStamp
);

パラメーター

名前方向
InterfaceHandleWINUSB_INTERFACE_HANDLEin
CurrentFrameNumberDWORD*out
TimeStampLONGLONG*out

戻り値の型: BOOL

各言語での呼び出し定義

// WINUSB.dll
#include <windows.h>

BOOL WinUsb_GetCurrentFrameNumber(
    WINUSB_INTERFACE_HANDLE InterfaceHandle,
    DWORD* CurrentFrameNumber,
    LONGLONG* TimeStamp
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WinUsb_GetCurrentFrameNumber(
    IntPtr InterfaceHandle,   // WINUSB_INTERFACE_HANDLE
    out uint CurrentFrameNumber,   // DWORD* out
    out long TimeStamp   // LONGLONG* out
);
<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_GetCurrentFrameNumber(
    InterfaceHandle As IntPtr,   ' WINUSB_INTERFACE_HANDLE
    <Out> ByRef CurrentFrameNumber As UInteger,   ' DWORD* out
    <Out> ByRef TimeStamp As Long   ' LONGLONG* out
) As Boolean
End Function
' InterfaceHandle : WINUSB_INTERFACE_HANDLE
' CurrentFrameNumber : DWORD* out
' TimeStamp : LONGLONG* out
Declare PtrSafe Function WinUsb_GetCurrentFrameNumber Lib "winusb" ( _
    ByVal InterfaceHandle As LongPtr, _
    ByRef CurrentFrameNumber As Long, _
    ByRef TimeStamp As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

WinUsb_GetCurrentFrameNumber = ctypes.windll.winusb.WinUsb_GetCurrentFrameNumber
WinUsb_GetCurrentFrameNumber.restype = wintypes.BOOL
WinUsb_GetCurrentFrameNumber.argtypes = [
    wintypes.HANDLE,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    ctypes.POINTER(wintypes.DWORD),  # CurrentFrameNumber : DWORD* out
    ctypes.POINTER(ctypes.c_longlong),  # TimeStamp : LONGLONG* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_GetCurrentFrameNumber = Fiddle::Function.new(
  lib['WinUsb_GetCurrentFrameNumber'],
  [
    Fiddle::TYPE_VOIDP,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    Fiddle::TYPE_VOIDP,  # CurrentFrameNumber : DWORD* out
    Fiddle::TYPE_VOIDP,  # TimeStamp : LONGLONG* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "winusb")]
extern "system" {
    fn WinUsb_GetCurrentFrameNumber(
        InterfaceHandle: *mut core::ffi::c_void,  // WINUSB_INTERFACE_HANDLE
        CurrentFrameNumber: *mut u32,  // DWORD* out
        TimeStamp: *mut i64  // LONGLONG* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true)]
public static extern bool WinUsb_GetCurrentFrameNumber(IntPtr InterfaceHandle, out uint CurrentFrameNumber, out long TimeStamp);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_GetCurrentFrameNumber' -Namespace Win32 -PassThru
# $api::WinUsb_GetCurrentFrameNumber(InterfaceHandle, CurrentFrameNumber, TimeStamp)
#uselib "WINUSB.dll"
#func global WinUsb_GetCurrentFrameNumber "WinUsb_GetCurrentFrameNumber" sptr, sptr, sptr
; WinUsb_GetCurrentFrameNumber InterfaceHandle, varptr(CurrentFrameNumber), varptr(TimeStamp)   ; 戻り値は stat
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; CurrentFrameNumber : DWORD* out -> "sptr"
; TimeStamp : LONGLONG* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数:
#uselib "WINUSB.dll"
#cfunc global WinUsb_GetCurrentFrameNumber "WinUsb_GetCurrentFrameNumber" sptr, var, var
; res = WinUsb_GetCurrentFrameNumber(InterfaceHandle, CurrentFrameNumber, TimeStamp)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; CurrentFrameNumber : DWORD* out -> "var"
; TimeStamp : LONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; BOOL WinUsb_GetCurrentFrameNumber(WINUSB_INTERFACE_HANDLE InterfaceHandle, DWORD* CurrentFrameNumber, LONGLONG* TimeStamp)
#uselib "WINUSB.dll"
#cfunc global WinUsb_GetCurrentFrameNumber "WinUsb_GetCurrentFrameNumber" intptr, var, var
; res = WinUsb_GetCurrentFrameNumber(InterfaceHandle, CurrentFrameNumber, TimeStamp)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr"
; CurrentFrameNumber : DWORD* out -> "var"
; TimeStamp : LONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winusb = windows.NewLazySystemDLL("WINUSB.dll")
	procWinUsb_GetCurrentFrameNumber = winusb.NewProc("WinUsb_GetCurrentFrameNumber")
)

// InterfaceHandle (WINUSB_INTERFACE_HANDLE), CurrentFrameNumber (DWORD* out), TimeStamp (LONGLONG* out)
r1, _, err := procWinUsb_GetCurrentFrameNumber.Call(
	uintptr(InterfaceHandle),
	uintptr(CurrentFrameNumber),
	uintptr(TimeStamp),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function WinUsb_GetCurrentFrameNumber(
  InterfaceHandle: THandle;   // WINUSB_INTERFACE_HANDLE
  CurrentFrameNumber: Pointer;   // DWORD* out
  TimeStamp: Pointer   // LONGLONG* out
): BOOL; stdcall;
  external 'WINUSB.dll' name 'WinUsb_GetCurrentFrameNumber';
result := DllCall("WINUSB\WinUsb_GetCurrentFrameNumber"
    , "Ptr", InterfaceHandle   ; WINUSB_INTERFACE_HANDLE
    , "Ptr", CurrentFrameNumber   ; DWORD* out
    , "Ptr", TimeStamp   ; LONGLONG* out
    , "Int")   ; return: BOOL
●WinUsb_GetCurrentFrameNumber(InterfaceHandle, CurrentFrameNumber, TimeStamp) = DLL("WINUSB.dll", "bool WinUsb_GetCurrentFrameNumber(void*, void*, void*)")
# 呼び出し: WinUsb_GetCurrentFrameNumber(InterfaceHandle, CurrentFrameNumber, TimeStamp)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "void*"
# CurrentFrameNumber : DWORD* out -> "void*"
# TimeStamp : LONGLONG* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。