communication.h

一个C＋＋语言编写的程序

#if !defined(_COMM_ACCESS_FUNCTIONS_AND_DATA)
#define _COMM_ACCESS_FUNCTIONS_AND_DATA

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <windows.h>

class CComStatus
{
public:
	HANDLE m_hCom;
	BYTE m_bComId;

	BYTE m_bByteSize;//数据位
	BYTE m_bStopBits;//停止位
	BYTE m_bParity;  //奇偶效验是否允许
	DWORD m_dwBaudRate;//波特率
	DWORD m_fBinary;//指定是否允许二进制模式

	OVERLAPPED	m_rdos;
	OVERLAPPED  m_wtos;
	//functions
	CComStatus();
	CComStatus(BYTE bComId,BYTE bByteSize,BYTE bStopBits,BYTE bParity,
	DWORD dwBaudRate,DWORD fBinary);
	BOOL OpenConnection();
	BOOL CloseConnection();
	BOOL SetupConnection();
  }; //InitCommParam = {8,ONESTOPBIT,NOPARITY,1200,1,EVENTCHAR,1};
/******************************************************
GLOBAL FUNCTIONS
******************************************************/
BOOL WriteCommBlock( CComStatus& comDev, LPSTR lpByte , DWORD dwBytesToWrite);
int ReadCommBlock(CComStatus& comDev,LPSTR lpszBlock, int nMaxLength );
#endif