Ymodem协议 完整MFC工程C++实现

该资源是根据项目需要，实现Ymodem传输数据，包括注册表的修改，为本人自己独立在协议基础上开发，为完整MFC工程，对于学习开发MFC和C++的人士具有一定的参考价值！里面思路清晰，代码注释详细！

// Serial.cpp: implementation of the CSerial class.
//
//////////////////////////////////////////////////////////////////////

#include “stdafx.h“
#include “Serial.h“

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

#define RECVBUF_SIZE 1024

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CSerial::CSerial（）
{
	m_hComm = INVALID_HANDLE_VALUE;		/* 串口操作句柄无效 */
	hRecvThread = NULL;
	m_ExitThreadEvent = NULL;			/* 串口接收线程退出事件无效 */
	memset（&dcb 0x00 sizeof（dcb））;
}

CSerial::~CSerial（）
{
	ClosePort（）;
}


/*******************************************************************************************
函数名称: CCeSerial::CommRecvTread
描    述: 串口接收线程
输入参数: LPVOID lparam: 线程参数创建线程时传入
输出参数: 无
返    回: 0: 线程退出 返回值没特殊含义
********************************************************************************************/
DWORD CSerial::CommRecvTread（LPVOID lparam）
{
	CSerial *pSerialPort = （CSerial *）lparam;
	DWORD dwLength = 0;
	DWORD dwError = 0;
	DWORD dwByte = 0;
	DWORD dwMask = EV_RXCHAR;
	DWORD dwReadBytes = pSerialPort->m_RecvLength;
	BYTE *recvBuf = new BYTE[dwReadBytes];
	COMSTAT comStat;
	OVERLAPPED olWait olRead;
	memset（&olWait0sizeof（olWait））;
	memset（&olRead0sizeof（olRead））; 
	olWait.hEvent = CreateEvent（NULLTRUEFALSENULL）;
	olRead.hEvent = CreateEvent（NULLTRUEFALSENULL）;

	if （pSerialPort->m_hComm）
	{
		pSerialPort->m_criticalSection.Lock（）;
		ClearCommError（pSerialPort->m_hComm &dwError &comStat）;
		PurgeComm（pSerialPort->m_hComm PURGE_RXCLEAR | PURGE_TXCLEAR | PURGE_RXABORT | PURGE_TXABORT）;
		pSerialPort->m_criticalSection.Unlock（）;
	}

	while（TRUE）
	{																/* 等待线程退出事件 */
		if （WaitForSingleobject（pSerialPort->m_ExitThreadEvent 0） == WAIT_object_0）
			break;
		WaitCommEvent（pSerialPort->m_hComm &dwMask &olWait）;
		if（GetOverlappedResult（pSerialPort->m_hComm &olWait &dwByte TRUE） == FALSE）
		{
			if（GetLastError（） != ERROR_IO_PENDING）
			{
				//return 0x30;
				break;
			}
			//return 0x35;
			break;
		}
		//Clear the error flag
		dwError = 0;
		memset（&comStat0sizeof（comStat））;
		ClearCommError（pSerialPort->m_hComm &dwError &comStat）;
		if（!comStat.cbInQue）
			continue;
		
		ZeroMemory（recvBuf pSerialPort->m_RecvLength）;
		if （pSerialPort->m_hComm != INVALID_HANDLE_VALUE）
		{															                                      /* 从串口读取数据 */
			pSerialPort->m_criticalSection.Lock（）;
			BOOL fReadState = ReadFile（pSerialPort->m_hComm recvBuf dwReadBytes &dwLength &olRead）;
			pSerialPort->m_criticalSection.Unlock（）;

			if（GetOverlappedResult（pSerialPort->m_hComm &olRead &dwLength TRUE） == FALSE）
			{
				break;
			}else{
				if（dwLength != 0）									        /* 接收成功调用回调函数 */
					pSerialPort->OnCommRecv（pSerialPort->m_UserParam recvBuf dwLength）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件     184320  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\debug\XYModem.exe

     文件    2965308  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\debug\XYModem.ilk

     文件    3689472  2012-08-01 20:09  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\debug\XYModem.pdb

     文件      65536  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\release\XYModem.exe

     文件    3255296  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\release\XYModem.pdb

     文件       9798  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\BuildLog.htm

     文件         60  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\mt.dep

     文件      22133  2012-08-01 17:08  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\Serial.obj

     文件     336154  2012-07-27 10:59  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\stdafx.obj

     文件     740352  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\vc80.idb

     文件     724992  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\vc80.pdb

     文件        664  2012-07-26 18:12  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModem.exe.embed.manifest

     文件        728  2012-07-26 18:12  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModem.exe.embed.manifest.res

     文件        629  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModem.exe.intermediate.manifest

     文件      24165  2012-08-01 18:36  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModem.obj

     文件   13697024  2012-07-27 10:59  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModem.pch

     文件      24044  2012-08-01 20:09  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModem.res

     文件     102976  2012-08-01 22:32  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\XYModemDlg.obj

     文件      23637  2012-07-31 22:13  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Debug\YModem.obj

     文件       2763  2012-05-16 10:11  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\ReadMe.txt

     文件       8098  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\BuildLog.htm

     文件         60  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\mt.dep

     文件      27571  2012-07-24 22:36  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\Serial.obj

     文件    1973718  2012-07-24 22:36  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\stdafx.obj

     文件     412672  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\vc80.idb

     文件     749568  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\vc80.pdb

     文件        619  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\XYModem.exe.intermediate.manifest

     文件      26659  2012-07-26 22:33  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\XYModem.obj

     文件   14614528  2012-07-24 22:36  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\XYModem.pch

     文件      23952  2012-07-24 22:36  Witium_YModem_Suc_2012_08_01\Witium_YModem\XYModem\XYModem\Release\XYModem.res

............此处省略39个文件信息