repos_ecs/源数据/PC环境监控/MostDevice_94273/MostDevice/CommInterface.cpp

// CommInterface.cpp: implementation of the CCommInterface class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "CommInterface.h"

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

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

CCommInterface::CCommInterface()
{

}

CCommInterface::~CCommInterface()
{
	list<COM_STRUCT>::iterator it;
	for( it = m_listComm.begin(); it != m_listComm.end(); )
	{
		 m_listComm.erase( it++ );
	}
}

CCommProcess* CCommInterface::FindComm(int nCommPort)
{
	list<COM_STRUCT>::iterator it;
	COM_STRUCT tagComm;
	for( it = m_listComm.begin(); it != m_listComm.end(); )
	{
		tagComm = *(it++);
		if( tagComm.nCommPort == nCommPort && tagComm.pComm != NULL )
		{
			return tagComm.pComm;
		}
		else
		{
			//LOG4C((LOG_NOTICE,"串口不存在"));
		}
	}

	return NULL;
}

BOOL CCommInterface::OpenComm(int nCommPort, int nAddr, int nRate, int nDataBit, int nStopBit, int nParity, int nInterval)
{
	if( FindComm( nCommPort ) == NULL )
	{
		PORTPARAM portParam; 
		portParam.StartAddr = nAddr;		//起止地址	
		portParam.PortNo = nCommPort;		//Com端口
		portParam.BaudRate = nRate;		//波特率
		portParam.ByteSize = nDataBit;	// Number of bits/byte, 4-8       
		portParam.StopBits = nStopBit;	/* 结束位 0,1,2 = 1, 1.5, 2               */
		portParam.Parity = nParity;		/* 校验位 0-4=None,Odd,Even,Mark,Space    */
		portParam.Interval = nInterval;	//间隔时间

		COM_STRUCT tagComm;
		tagComm.nCommPort = nCommPort;
		tagComm.pComm = new CCommProcess();
		if( !tagComm.pComm->OpenComm( &portParam ) )
		{
			//LOG4C((LOG_NOTICE , "CCommInterface : 打开串口失败"));
			delete tagComm.pComm;
			tagComm.pComm = NULL;
			return FALSE;
		}
		else
		{
			m_listComm.insert(m_listComm.end(), tagComm);
		}
	}

	return TRUE;
}

BOOL CCommInterface::CloseComm()
{
	list<COM_STRUCT>::iterator it;
	COM_STRUCT tagComm;
	for( it = m_listComm.begin(); it != m_listComm.end(); )
	{
		tagComm = *(it++);
		tagComm.pComm->CloseComm();
	}
	return TRUE;
}