stdafx.h

串行端口的本质功能是作为CPU和串行设备间的编码转换器。当数据从 CPU经过串行端口发送出去时

// stdafx.h : include file for standard system include files,

//  or project specific include files that are used frequently, but

//      are changed infrequently

//



#if !defined(AFX_STDAFX_H__C5411689_33FA_410B_80C0_2AAFEF5A0932__INCLUDED_)

#define AFX_STDAFX_H__C5411689_33FA_410B_80C0_2AAFEF5A0932__INCLUDED_



#if _MSC_VER > 1000

#pragma once

#endif // _MSC_VER > 1000



#define VC_EXTRALEAN		// Exclude rarely-used stuff from Windows headers



#include <afxwin.h>         // MFC core and standard components

#include <afxext.h>         // MFC extensions

#include <afxdisp.h>        // MFC Automation classes

#include <afxdtctl.h>		// MFC support for Internet Explorer 4 Common Controls

#ifndef _AFX_NO_AFXCMN_SUPPORT

#include <afxcmn.h>			// MFC support for Windows Common Controls

#endif // _AFX_NO_AFXCMN_SUPPORT





//{{AFX_INSERT_LOCATION}}

// Microsoft Visual C++ will insert additional declarations immediately before the previous line.



#endif // !defined(AFX_STDAFX

_H__C5411689_33FA_410B_80C0_2AAFEF5A0932__INCLUDED_)