test.cpp

来自「一本在讲述USB驱动程式的书 及其范例原码」· C++ 代码 · 共 25 行

// Copyright (C) 1999 by Walter Oney
// All rights reserved

#include "stdafx.h"
#include <winioctl.h>
#include "..\sys\ioctls.h"

int main(int argc, char* argv[])
	{							// main
	HANDLE hdevice = CreateFile("\\\\.\\MEMTEST", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
	if (hdevice == INVALID_HANDLE_VALUE)
		{
		printf("Unable to open MEMTEST device - error %d\n", GetLastError());
		return 1;
		}

	DWORD junk;
	DeviceIoControl(hdevice, IOCTL_DO_TEST, NULL, 0, NULL, 0, &junk, NULL);
	
	CloseHandle(hdevice);
	return 0;
	}							// main