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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。
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 | 型 | 方向 |
|---|---|---|
| InterfaceHandle | WINUSB_INTERFACE_HANDLE | in |
| CurrentFrameNumber | DWORD* | out |
| TimeStamp | LONGLONG* | 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。#uselib "WINUSB.dll" #cfunc global WinUsb_GetCurrentFrameNumber "WinUsb_GetCurrentFrameNumber" sptr, sptr, sptr ; res = WinUsb_GetCurrentFrameNumber(InterfaceHandle, varptr(CurrentFrameNumber), varptr(TimeStamp)) ; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr" ; CurrentFrameNumber : DWORD* out -> "sptr" ; TimeStamp : LONGLONG* out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
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。; BOOL WinUsb_GetCurrentFrameNumber(WINUSB_INTERFACE_HANDLE InterfaceHandle, DWORD* CurrentFrameNumber, LONGLONG* TimeStamp) #uselib "WINUSB.dll" #cfunc global WinUsb_GetCurrentFrameNumber "WinUsb_GetCurrentFrameNumber" intptr, intptr, intptr ; res = WinUsb_GetCurrentFrameNumber(InterfaceHandle, varptr(CurrentFrameNumber), varptr(TimeStamp)) ; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr" ; CurrentFrameNumber : DWORD* out -> "intptr" ; TimeStamp : LONGLONG* out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
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 // BOOLfunction 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)。