vcthread.h

c++实现的一个个串口通讯类

// 文件名: ApexComm.cpp
// 功能：注册控件类
// 作者：陈++
// 时间：2004.4.15-1999.4.22 创建
//       2004.5.15修改,整理
///////////////////////////////////////////////////////////////

#include "ApexCommCtl.h"

//定义读写线程类
class TReadThread : public CWinThread //读线程
{
   DECLARE_DYNAMIC(TReadThread)
public:
   TReadThread();
   virtual BOOL InitInstance();
public:
   HWND m_handlemsg;
   HANDLE m_hCommFile;//读设备句柄
   HANDLE m_hCloseEvent;//关闭消息句柄
   //读线程类提供的方法
   bool SetupCommEvent( OVERLAPPED* lpOverlappedCommEvent,DWORD & lpfdwEvtMask);
   bool SetupReadEvent( OVERLAPPED* lpOverlappedRead,LPSTR lpszInputBuffer,DWORD dwSizeofBuffer,DWORD & lpnNumberOfBytesRead);
   bool HandleCommEvent(OVERLAPPED* POverlapped,DWORD & lpfdwEvtMask, bool fRetrieveEvent);
   bool HandleReadEvent( OVERLAPPED* lpOverlappedRead,LPSTR lpszInputBuffer, DWORD dwSizeofBuffer,DWORD & lpnNumberOfBytesRead);
   bool HandleReadData(LPCSTR lpszInputBuffer,DWORD dwSizeofBuffer);
   bool ReceiveData(LPSTR lpNewString,DWORD dwSizeofNewString);
   bool ReceiveError(DWORD EvtMask);
   void PostHangupCall();
};

//写线程
class TWriteThread: public CWinThread
{
   DECLARE_DYNAMIC(TWriteThread)
public:
   TWriteThread();   
   virtual BOOL InitInstance();
protected:
   bool HandleWriteData(OVERLAPPED* lpOverlappedWrite,LPSTR pDataToWrite, DWORD dwNumberOfBytesToWrite);
public:
	HWND m_handlemsg;
   HANDLE m_hCommFile;//读设备句柄
   HANDLE m_hCloseEvent;//关闭消息句柄
   bool m_pbSendDataEmpty;
   void PostHangupCall();
};