WinUsb_Initialize

関数

WinUSBデバイスを初期化しインターフェースハンドルを取得する。

DLLWINUSB.dll呼出規約winapiSetLastErrorあり

シグネチャ

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

BOOL WinUsb_Initialize(
    HANDLE DeviceHandle,
    WINUSB_INTERFACE_HANDLE* InterfaceHandle
);

パラメーター

名前	型	方向
DeviceHandle	HANDLE	in
InterfaceHandle	WINUSB_INTERFACE_HANDLE*	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_Initialize(
    HANDLE DeviceHandle,
    WINUSB_INTERFACE_HANDLE* InterfaceHandle
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WinUsb_Initialize(
    IntPtr DeviceHandle,   // HANDLE
    IntPtr InterfaceHandle   // WINUSB_INTERFACE_HANDLE* out
);

<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_Initialize(
    DeviceHandle As IntPtr,   ' HANDLE
    InterfaceHandle As IntPtr   ' WINUSB_INTERFACE_HANDLE* out
) As Boolean
End Function

' DeviceHandle : HANDLE
' InterfaceHandle : WINUSB_INTERFACE_HANDLE* out
Declare PtrSafe Function WinUsb_Initialize Lib "winusb" ( _
    ByVal DeviceHandle As LongPtr, _
    ByVal InterfaceHandle As LongPtr) 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_Initialize = ctypes.windll.winusb.WinUsb_Initialize
WinUsb_Initialize.restype = wintypes.BOOL
WinUsb_Initialize.argtypes = [
    wintypes.HANDLE,  # DeviceHandle : HANDLE
    ctypes.c_void_p,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_Initialize = Fiddle::Function.new(
  lib['WinUsb_Initialize'],
  [
    Fiddle::TYPE_VOIDP,  # DeviceHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winusb")]
extern "system" {
    fn WinUsb_Initialize(
        DeviceHandle: *mut core::ffi::c_void,  // HANDLE
        InterfaceHandle: *mut *mut core::ffi::c_void  // WINUSB_INTERFACE_HANDLE* 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_Initialize(IntPtr DeviceHandle, IntPtr InterfaceHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_Initialize' -Namespace Win32 -PassThru
# $api::WinUsb_Initialize(DeviceHandle, InterfaceHandle)

#uselib "WINUSB.dll"
#func global WinUsb_Initialize "WinUsb_Initialize" sptr, sptr
; WinUsb_Initialize DeviceHandle, InterfaceHandle   ; 戻り値は stat
; DeviceHandle : HANDLE -> "sptr"
; InterfaceHandle : WINUSB_INTERFACE_HANDLE* 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。

#uselib "WINUSB.dll"
#cfunc global WinUsb_Initialize "WinUsb_Initialize" sptr, sptr
; res = WinUsb_Initialize(DeviceHandle, InterfaceHandle)
; DeviceHandle : HANDLE -> "sptr"
; InterfaceHandle : WINUSB_INTERFACE_HANDLE* out -> "sptr"

; BOOL WinUsb_Initialize(HANDLE DeviceHandle, WINUSB_INTERFACE_HANDLE* InterfaceHandle)
#uselib "WINUSB.dll"
#cfunc global WinUsb_Initialize "WinUsb_Initialize" intptr, intptr
; res = WinUsb_Initialize(DeviceHandle, InterfaceHandle)
; DeviceHandle : HANDLE -> "intptr"
; InterfaceHandle : WINUSB_INTERFACE_HANDLE* out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winusb = windows.NewLazySystemDLL("WINUSB.dll")
	procWinUsb_Initialize = winusb.NewProc("WinUsb_Initialize")
)

// DeviceHandle (HANDLE), InterfaceHandle (WINUSB_INTERFACE_HANDLE* out)
r1, _, err := procWinUsb_Initialize.Call(
	uintptr(DeviceHandle),
	uintptr(InterfaceHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinUsb_Initialize(
  DeviceHandle: THandle;   // HANDLE
  InterfaceHandle: Pointer   // WINUSB_INTERFACE_HANDLE* out
): BOOL; stdcall;
  external 'WINUSB.dll' name 'WinUsb_Initialize';

result := DllCall("WINUSB\WinUsb_Initialize"
    , "Ptr", DeviceHandle   ; HANDLE
    , "Ptr", InterfaceHandle   ; WINUSB_INTERFACE_HANDLE* out
    , "Int")   ; return: BOOL

●WinUsb_Initialize(DeviceHandle, InterfaceHandle) = DLL("WINUSB.dll", "bool WinUsb_Initialize(void*, void*)")
# 呼び出し: WinUsb_Initialize(DeviceHandle, InterfaceHandle)
# DeviceHandle : HANDLE -> "void*"
# InterfaceHandle : WINUSB_INTERFACE_HANDLE* 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)。