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WinUsb_RegisterIsochBuffer

関数
アイソクロナス転送用のバッファを登録する。
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_RegisterIsochBuffer(
    WINUSB_INTERFACE_HANDLE InterfaceHandle,
    BYTE PipeID,
    BYTE* Buffer,
    DWORD BufferLength,
    void** IsochBufferHandle
);

パラメーター

名前方向説明
InterfaceHandleWINUSB_INTERFACE_HANDLEinアイソクロナスバッファを登録する対象のWinUSBインターフェイスハンドル。
PipeIDBYTEin対象のアイソクロナスパイプのエンドポイントアドレス。
BufferBYTE*inout登録する転送用バッファへのポインタ。
BufferLengthDWORDinBufferのバイト数。
IsochBufferHandlevoid**out登録したアイソクロナスバッファのハンドルを受け取る出力先ポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL WinUsb_RegisterIsochBuffer(
    WINUSB_INTERFACE_HANDLE InterfaceHandle,
    BYTE PipeID,
    BYTE* Buffer,
    DWORD BufferLength,
    void** IsochBufferHandle
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WinUsb_RegisterIsochBuffer(
    IntPtr InterfaceHandle,   // WINUSB_INTERFACE_HANDLE
    byte PipeID,   // BYTE
    IntPtr Buffer,   // BYTE* in/out
    uint BufferLength,   // DWORD
    IntPtr IsochBufferHandle   // void** out
);
<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_RegisterIsochBuffer(
    InterfaceHandle As IntPtr,   ' WINUSB_INTERFACE_HANDLE
    PipeID As Byte,   ' BYTE
    Buffer As IntPtr,   ' BYTE* in/out
    BufferLength As UInteger,   ' DWORD
    IsochBufferHandle As IntPtr   ' void** out
) As Boolean
End Function
' InterfaceHandle : WINUSB_INTERFACE_HANDLE
' PipeID : BYTE
' Buffer : BYTE* in/out
' BufferLength : DWORD
' IsochBufferHandle : void** out
Declare PtrSafe Function WinUsb_RegisterIsochBuffer Lib "winusb" ( _
    ByVal InterfaceHandle As LongPtr, _
    ByVal PipeID As Byte, _
    ByVal Buffer As LongPtr, _
    ByVal BufferLength As Long, _
    ByVal IsochBufferHandle 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_RegisterIsochBuffer = ctypes.windll.winusb.WinUsb_RegisterIsochBuffer
WinUsb_RegisterIsochBuffer.restype = wintypes.BOOL
WinUsb_RegisterIsochBuffer.argtypes = [
    wintypes.HANDLE,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    ctypes.c_ubyte,  # PipeID : BYTE
    ctypes.POINTER(ctypes.c_ubyte),  # Buffer : BYTE* in/out
    wintypes.DWORD,  # BufferLength : DWORD
    ctypes.c_void_p,  # IsochBufferHandle : void** out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_RegisterIsochBuffer = Fiddle::Function.new(
  lib['WinUsb_RegisterIsochBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # InterfaceHandle : WINUSB_INTERFACE_HANDLE
    -Fiddle::TYPE_CHAR,  # PipeID : BYTE
    Fiddle::TYPE_VOIDP,  # Buffer : BYTE* in/out
    -Fiddle::TYPE_INT,  # BufferLength : DWORD
    Fiddle::TYPE_VOIDP,  # IsochBufferHandle : void** out
  ],
  Fiddle::TYPE_INT)
#[link(name = "winusb")]
extern "system" {
    fn WinUsb_RegisterIsochBuffer(
        InterfaceHandle: *mut core::ffi::c_void,  // WINUSB_INTERFACE_HANDLE
        PipeID: u8,  // BYTE
        Buffer: *mut u8,  // BYTE* in/out
        BufferLength: u32,  // DWORD
        IsochBufferHandle: *mut *mut ()  // void** 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_RegisterIsochBuffer(IntPtr InterfaceHandle, byte PipeID, IntPtr Buffer, uint BufferLength, IntPtr IsochBufferHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_RegisterIsochBuffer' -Namespace Win32 -PassThru
# $api::WinUsb_RegisterIsochBuffer(InterfaceHandle, PipeID, Buffer, BufferLength, IsochBufferHandle)
#uselib "WINUSB.dll"
#func global WinUsb_RegisterIsochBuffer "WinUsb_RegisterIsochBuffer" sptr, sptr, sptr, sptr, sptr
; WinUsb_RegisterIsochBuffer InterfaceHandle, PipeID, varptr(Buffer), BufferLength, IsochBufferHandle   ; 戻り値は stat
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; PipeID : BYTE -> "sptr"
; Buffer : BYTE* in/out -> "sptr"
; BufferLength : DWORD -> "sptr"
; IsochBufferHandle : void** 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_RegisterIsochBuffer "WinUsb_RegisterIsochBuffer" sptr, int, var, int, sptr
; res = WinUsb_RegisterIsochBuffer(InterfaceHandle, PipeID, Buffer, BufferLength, IsochBufferHandle)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; PipeID : BYTE -> "int"
; Buffer : BYTE* in/out -> "var"
; BufferLength : DWORD -> "int"
; IsochBufferHandle : void** out -> "sptr"
; ※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_RegisterIsochBuffer(WINUSB_INTERFACE_HANDLE InterfaceHandle, BYTE PipeID, BYTE* Buffer, DWORD BufferLength, void** IsochBufferHandle)
#uselib "WINUSB.dll"
#cfunc global WinUsb_RegisterIsochBuffer "WinUsb_RegisterIsochBuffer" intptr, int, var, int, intptr
; res = WinUsb_RegisterIsochBuffer(InterfaceHandle, PipeID, Buffer, BufferLength, IsochBufferHandle)
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr"
; PipeID : BYTE -> "int"
; Buffer : BYTE* in/out -> "var"
; BufferLength : DWORD -> "int"
; IsochBufferHandle : void** out -> "intptr"
; ※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_RegisterIsochBuffer = winusb.NewProc("WinUsb_RegisterIsochBuffer")
)

// InterfaceHandle (WINUSB_INTERFACE_HANDLE), PipeID (BYTE), Buffer (BYTE* in/out), BufferLength (DWORD), IsochBufferHandle (void** out)
r1, _, err := procWinUsb_RegisterIsochBuffer.Call(
	uintptr(InterfaceHandle),
	uintptr(PipeID),
	uintptr(Buffer),
	uintptr(BufferLength),
	uintptr(IsochBufferHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function WinUsb_RegisterIsochBuffer(
  InterfaceHandle: THandle;   // WINUSB_INTERFACE_HANDLE
  PipeID: Byte;   // BYTE
  Buffer: Pointer;   // BYTE* in/out
  BufferLength: DWORD;   // DWORD
  IsochBufferHandle: Pointer   // void** out
): BOOL; stdcall;
  external 'WINUSB.dll' name 'WinUsb_RegisterIsochBuffer';
result := DllCall("WINUSB\WinUsb_RegisterIsochBuffer"
    , "Ptr", InterfaceHandle   ; WINUSB_INTERFACE_HANDLE
    , "UChar", PipeID   ; BYTE
    , "Ptr", Buffer   ; BYTE* in/out
    , "UInt", BufferLength   ; DWORD
    , "Ptr", IsochBufferHandle   ; void** out
    , "Int")   ; return: BOOL
●WinUsb_RegisterIsochBuffer(InterfaceHandle, PipeID, Buffer, BufferLength, IsochBufferHandle) = DLL("WINUSB.dll", "bool WinUsb_RegisterIsochBuffer(void*, byte, void*, dword, void*)")
# 呼び出し: WinUsb_RegisterIsochBuffer(InterfaceHandle, PipeID, Buffer, BufferLength, IsochBufferHandle)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "void*"
# PipeID : BYTE -> "byte"
# Buffer : BYTE* in/out -> "void*"
# BufferLength : DWORD -> "dword"
# IsochBufferHandle : void** 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)。