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WinUsb_ParseConfigurationDescriptor

関数

構成ディスクリプタを解析して該当インターフェースを検索する。

DLLWINUSB.dll呼出規約winapiSetLastErrorあり

シグネチャ

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

USB_INTERFACE_DESCRIPTOR* WinUsb_ParseConfigurationDescriptor(
    USB_CONFIGURATION_DESCRIPTOR* ConfigurationDescriptor,
    void* StartPosition,
    INT InterfaceNumber,
    INT AlternateSetting,
    INT InterfaceClass,
    INT InterfaceSubClass,
    INT InterfaceProtocol
);

パラメーター

名前	型	方向
ConfigurationDescriptor	USB_CONFIGURATION_DESCRIPTOR*	in
StartPosition	void*	in
InterfaceNumber	INT	in
AlternateSetting	INT	in
InterfaceClass	INT	in
InterfaceSubClass	INT	in
InterfaceProtocol	INT	in

戻り値の型: USB_INTERFACE_DESCRIPTOR*

各言語での呼び出し定義

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

USB_INTERFACE_DESCRIPTOR* WinUsb_ParseConfigurationDescriptor(
    USB_CONFIGURATION_DESCRIPTOR* ConfigurationDescriptor,
    void* StartPosition,
    INT InterfaceNumber,
    INT AlternateSetting,
    INT InterfaceClass,
    INT InterfaceSubClass,
    INT InterfaceProtocol
);

[DllImport("WINUSB.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr WinUsb_ParseConfigurationDescriptor(
    IntPtr ConfigurationDescriptor,   // USB_CONFIGURATION_DESCRIPTOR*
    IntPtr StartPosition,   // void*
    int InterfaceNumber,   // INT
    int AlternateSetting,   // INT
    int InterfaceClass,   // INT
    int InterfaceSubClass,   // INT
    int InterfaceProtocol   // INT
);

<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_ParseConfigurationDescriptor(
    ConfigurationDescriptor As IntPtr,   ' USB_CONFIGURATION_DESCRIPTOR*
    StartPosition As IntPtr,   ' void*
    InterfaceNumber As Integer,   ' INT
    AlternateSetting As Integer,   ' INT
    InterfaceClass As Integer,   ' INT
    InterfaceSubClass As Integer,   ' INT
    InterfaceProtocol As Integer   ' INT
) As IntPtr
End Function

' ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR*
' StartPosition : void*
' InterfaceNumber : INT
' AlternateSetting : INT
' InterfaceClass : INT
' InterfaceSubClass : INT
' InterfaceProtocol : INT
Declare PtrSafe Function WinUsb_ParseConfigurationDescriptor Lib "winusb" ( _
    ByVal ConfigurationDescriptor As LongPtr, _
    ByVal StartPosition As LongPtr, _
    ByVal InterfaceNumber As Long, _
    ByVal AlternateSetting As Long, _
    ByVal InterfaceClass As Long, _
    ByVal InterfaceSubClass As Long, _
    ByVal InterfaceProtocol As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WinUsb_ParseConfigurationDescriptor = ctypes.windll.winusb.WinUsb_ParseConfigurationDescriptor
WinUsb_ParseConfigurationDescriptor.restype = ctypes.c_void_p
WinUsb_ParseConfigurationDescriptor.argtypes = [
    ctypes.c_void_p,  # ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR*
    ctypes.POINTER(None),  # StartPosition : void*
    ctypes.c_int,  # InterfaceNumber : INT
    ctypes.c_int,  # AlternateSetting : INT
    ctypes.c_int,  # InterfaceClass : INT
    ctypes.c_int,  # InterfaceSubClass : INT
    ctypes.c_int,  # InterfaceProtocol : INT
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_ParseConfigurationDescriptor = Fiddle::Function.new(
  lib['WinUsb_ParseConfigurationDescriptor'],
  [
    Fiddle::TYPE_VOIDP,  # ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR*
    Fiddle::TYPE_VOIDP,  # StartPosition : void*
    Fiddle::TYPE_INT,  # InterfaceNumber : INT
    Fiddle::TYPE_INT,  # AlternateSetting : INT
    Fiddle::TYPE_INT,  # InterfaceClass : INT
    Fiddle::TYPE_INT,  # InterfaceSubClass : INT
    Fiddle::TYPE_INT,  # InterfaceProtocol : INT
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "winusb")]
extern "system" {
    fn WinUsb_ParseConfigurationDescriptor(
        ConfigurationDescriptor: *mut USB_CONFIGURATION_DESCRIPTOR,  // USB_CONFIGURATION_DESCRIPTOR*
        StartPosition: *mut (),  // void*
        InterfaceNumber: i32,  // INT
        AlternateSetting: i32,  // INT
        InterfaceClass: i32,  // INT
        InterfaceSubClass: i32,  // INT
        InterfaceProtocol: i32  // INT
    ) -> *mut USB_INTERFACE_DESCRIPTOR;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINUSB.dll", SetLastError = true)]
public static extern IntPtr WinUsb_ParseConfigurationDescriptor(IntPtr ConfigurationDescriptor, IntPtr StartPosition, int InterfaceNumber, int AlternateSetting, int InterfaceClass, int InterfaceSubClass, int InterfaceProtocol);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_ParseConfigurationDescriptor' -Namespace Win32 -PassThru
# $api::WinUsb_ParseConfigurationDescriptor(ConfigurationDescriptor, StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol)

#uselib "WINUSB.dll"
#func global WinUsb_ParseConfigurationDescriptor "WinUsb_ParseConfigurationDescriptor" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WinUsb_ParseConfigurationDescriptor varptr(ConfigurationDescriptor), StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol   ; 戻り値は stat
; ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR* -> "sptr"
; StartPosition : void* -> "sptr"
; InterfaceNumber : INT -> "sptr"
; AlternateSetting : INT -> "sptr"
; InterfaceClass : INT -> "sptr"
; InterfaceSubClass : INT -> "sptr"
; InterfaceProtocol : INT -> "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_ParseConfigurationDescriptor "WinUsb_ParseConfigurationDescriptor" var, sptr, int, int, int, int, int
; res = WinUsb_ParseConfigurationDescriptor(ConfigurationDescriptor, StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol)
; ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR* -> "var"
; StartPosition : void* -> "sptr"
; InterfaceNumber : INT -> "int"
; AlternateSetting : INT -> "int"
; InterfaceClass : INT -> "int"
; InterfaceSubClass : INT -> "int"
; InterfaceProtocol : INT -> "int"
; ※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_ParseConfigurationDescriptor "WinUsb_ParseConfigurationDescriptor" sptr, sptr, int, int, int, int, int
; res = WinUsb_ParseConfigurationDescriptor(varptr(ConfigurationDescriptor), StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol)
; ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR* -> "sptr"
; StartPosition : void* -> "sptr"
; InterfaceNumber : INT -> "int"
; AlternateSetting : INT -> "int"
; InterfaceClass : INT -> "int"
; InterfaceSubClass : INT -> "int"
; InterfaceProtocol : INT -> "int"
; ※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:

; USB_INTERFACE_DESCRIPTOR* WinUsb_ParseConfigurationDescriptor(USB_CONFIGURATION_DESCRIPTOR* ConfigurationDescriptor, void* StartPosition, INT InterfaceNumber, INT AlternateSetting, INT InterfaceClass, INT InterfaceSubClass, INT InterfaceProtocol)
#uselib "WINUSB.dll"
#cfunc global WinUsb_ParseConfigurationDescriptor "WinUsb_ParseConfigurationDescriptor" var, intptr, int, int, int, int, int
; res = WinUsb_ParseConfigurationDescriptor(ConfigurationDescriptor, StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol)
; ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR* -> "var"
; StartPosition : void* -> "intptr"
; InterfaceNumber : INT -> "int"
; AlternateSetting : INT -> "int"
; InterfaceClass : INT -> "int"
; InterfaceSubClass : INT -> "int"
; InterfaceProtocol : INT -> "int"
; ※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。; USB_INTERFACE_DESCRIPTOR* WinUsb_ParseConfigurationDescriptor(USB_CONFIGURATION_DESCRIPTOR* ConfigurationDescriptor, void* StartPosition, INT InterfaceNumber, INT AlternateSetting, INT InterfaceClass, INT InterfaceSubClass, INT InterfaceProtocol)
#uselib "WINUSB.dll"
#cfunc global WinUsb_ParseConfigurationDescriptor "WinUsb_ParseConfigurationDescriptor" intptr, intptr, int, int, int, int, int
; res = WinUsb_ParseConfigurationDescriptor(varptr(ConfigurationDescriptor), StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol)
; ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR* -> "intptr"
; StartPosition : void* -> "intptr"
; InterfaceNumber : INT -> "int"
; AlternateSetting : INT -> "int"
; InterfaceClass : INT -> "int"
; InterfaceSubClass : INT -> "int"
; InterfaceProtocol : INT -> "int"
; ※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_ParseConfigurationDescriptor = winusb.NewProc("WinUsb_ParseConfigurationDescriptor")
)

// ConfigurationDescriptor (USB_CONFIGURATION_DESCRIPTOR*), StartPosition (void*), InterfaceNumber (INT), AlternateSetting (INT), InterfaceClass (INT), InterfaceSubClass (INT), InterfaceProtocol (INT)
r1, _, err := procWinUsb_ParseConfigurationDescriptor.Call(
	uintptr(ConfigurationDescriptor),
	uintptr(StartPosition),
	uintptr(InterfaceNumber),
	uintptr(AlternateSetting),
	uintptr(InterfaceClass),
	uintptr(InterfaceSubClass),
	uintptr(InterfaceProtocol),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // USB_INTERFACE_DESCRIPTOR*

function WinUsb_ParseConfigurationDescriptor(
  ConfigurationDescriptor: Pointer;   // USB_CONFIGURATION_DESCRIPTOR*
  StartPosition: Pointer;   // void*
  InterfaceNumber: Integer;   // INT
  AlternateSetting: Integer;   // INT
  InterfaceClass: Integer;   // INT
  InterfaceSubClass: Integer;   // INT
  InterfaceProtocol: Integer   // INT
): Pointer; stdcall;
  external 'WINUSB.dll' name 'WinUsb_ParseConfigurationDescriptor';

result := DllCall("WINUSB\WinUsb_ParseConfigurationDescriptor"
    , "Ptr", ConfigurationDescriptor   ; USB_CONFIGURATION_DESCRIPTOR*
    , "Ptr", StartPosition   ; void*
    , "Int", InterfaceNumber   ; INT
    , "Int", AlternateSetting   ; INT
    , "Int", InterfaceClass   ; INT
    , "Int", InterfaceSubClass   ; INT
    , "Int", InterfaceProtocol   ; INT
    , "Ptr")   ; return: USB_INTERFACE_DESCRIPTOR*

●WinUsb_ParseConfigurationDescriptor(ConfigurationDescriptor, StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol) = DLL("WINUSB.dll", "void* WinUsb_ParseConfigurationDescriptor(void*, void*, int, int, int, int, int)")
# 呼び出し: WinUsb_ParseConfigurationDescriptor(ConfigurationDescriptor, StartPosition, InterfaceNumber, AlternateSetting, InterfaceClass, InterfaceSubClass, InterfaceProtocol)
# ConfigurationDescriptor : USB_CONFIGURATION_DESCRIPTOR* -> "void*"
# StartPosition : void* -> "void*"
# InterfaceNumber : INT -> "int"
# AlternateSetting : INT -> "int"
# InterfaceClass : INT -> "int"
# InterfaceSubClass : INT -> "int"
# InterfaceProtocol : INT -> "int"
# 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)。