repos_ecs/源数据/PC环境监控/MostDevice_94273/MostDevice/RS485Model.cpp

#include "StdAfx.h"
#include ".\RS485Model.h"


RS485Model::RS485Model(char *szPath,char *szIniName,int nCommPort,int nAddr,int nRate,int nDataBit,int nStopBit,int nParity,int nInterval)
{
#if IS_USE_READMSG_CS
	InitializeCriticalSection( &m_csReadMsg );    //初始化一个临界资源对象;
#endif
	MTVERIFY( m_hSemComm = CreateEvent( NULL, TRUE, TRUE, 0) );    //CreateEvent（）创建或打开一个命名的或无名的事件对象

	for( int i = 0; i < CPDU_ADDR; i++ )
	{
		memset(m_szMsg[i], 0, sizeof(m_szMsg[i]));
		m_devOnline[i] = TRUE;
		m_dwOnlineTick[i] = 0;
	}
}

RS485Model::~RS485Model()
{
#if IS_USE_READMSG_CS
	DeleteCriticalSection( &m_csReadMsg );
#endif
	MTVERIFY( CloseHandle( m_hSemComm ) );
	CloseComm();
}

BOOL RS485Model::RS485ModelOpenComm(int nCommPort, int nAddr, int nRate, int nDataBit, int nStopBit, int nParity, int nInterval)
{
	BOOL bResult = FALSE;
	bResult = OpenComm( nCommPort, nAddr, nRate, nDataBit, nStopBit, nParity, nInterval );
	return bResult;
}


BYTE RS485Model::GetCheckCode(const BYTE *pSendBuf, const int &ilen)
{ 
	BYTE byLrc = 0; 

	for(int i=2; i<ilen; i++)	 
		byLrc ^= pSendBuf[i]; 

	return byLrc; 
}

// 发送读取设备参数请求
int RS485Model::SendReadRequest(
						  char *szPath,							// 程序所在路径	
						  char *szIniName,						// 配置文件名称 
						  int nCommPort,							// 串行端口
						  int nAddr,								// 设备地址
						  char *szCmd,							// 请求命令
						  char *szMsg,							// 响应的值	
						  int nReversed1,							// 预留整形参数1接口
						  int nReversed2,							// 预留整形参数2接口
						  int nReversed3,							// 预留整形参数3接口
						  int nReversed4,							// 预留整形参数4接口
						  int nReversed5,							// 预留整形参数5接口
						  float fReversed1,						// 预留float参数1接口
						  float fReversed2,						// 预留float参数2接口	
						  float fReversed3,						// 预留float参数3接口	
						  char *szReversed1,						// 预留字符数组参数1接口	
						  char *szReversed2,						// 预留字符数组参数2接口	
						  char *szReversed3,						// 预留字符数组参数3接口	
						  char *szReversed4,						// 预留字符数组参数4接口	
						  char *szReversed5						// 预留字符数组参数5接口	
							 )
{
	//LOG4C((LOG_NOTICE,"PDU::SendReadRequest"));
	CCommProcess *pComm = FindComm(nCommPort);
	if( pComm == NULL ) 
	{
		LOG4C((LOG_NOTICE,"PDU pComm=NULL"));
		return -1;
	}
	int nRet = -1;

	int nIndex(0), nLen(0), IniSendlen(0),iSBit(0), iEBit(0);
	char IniSendCMD[MAX_CMD] = {0}, szDataType[CMD_TYPE] = {0};
	GetIniInfo(szPath,szIniName,szCmd,IniSendCMD,IniSendlen,szDataType,nIndex,nLen,iSBit,iEBit);

	if( (strlen((char*)m_szMsg[nAddr -1]) == 0 && strcmp(IniSendCMD,"WW") == 0)   || strcmp(szCmd,"cmd-1") == 0)
	{
		nRet = GetDeviceParam( nAddr,pComm, szCmd, IniSendCMD, IniSendlen );
		if ( nRet != 0) return nRet;
	}

	if( GetTickCount() - m_dwOnlineTick[nAddr - 1] > 60 *1000 &&  m_dwOnlineTick[nAddr - 1] > 0 )
		m_devOnline[nAddr - 1] = FALSE;
	else if( GetTickCount() - m_dwOnlineTick[nAddr - 1] < 60 *1000 &&  m_dwOnlineTick[nAddr - 1] > 0 )
		m_devOnline[nAddr - 1] = TRUE;

	if( m_devOnline[nAddr - 1] == FALSE )
	{
		LOG4C((LOG_NOTICE,"CPDU::m_devOnline=FALSE"));
		return -1;
	}

	nRet = GetCPDUVarMsg( nAddr, IniSendCMD, szCmd, szMsg, nIndex, nLen, szDataType,iSBit,iEBit);
	//LOG4C((LOG_NOTICE,"CPDU->cmd = %s,值 = %s",szCmd,szMsg));
	return nRet;
}

int RS485Model::GetDeviceParam(int nAddr,CCommProcess *pComm,char *szCmd,char *IniSendCMD,const int &IniSendlen)
{
	int nRet = -1;
	nRet = Send_ReadDeviceData(nAddr, pComm, szCmd, IniSendCMD, IniSendlen);
	if( nRet != 0 )
		return nRet;		
	nRet = Recv_ReadDeviceData( nAddr, pComm, IniSendCMD, szCmd);
	return nRet;
}

int RS485Model::Send_ReadDeviceData(int nAddr,CCommProcess *pComm,char *szCmd, const char *IniSendCMD,const int &IniSendlen)
{
#if DEBUG_RS485MODEL
	//LOG4C((LOG_NOTICE,"PDU::Send_ReadDeviceData,nAddr = %d",nAddr));

	int iSendLen = 0;
	BYTE byArySend[16] = {0};

	byArySend[0] = 0x69;
	// 地址;
	byArySend[1] = nAddr;
	// 12个XX;
	byArySend[2] = 0x00;
	byArySend[3] = 0x00;
	byArySend[4] = 0x00;
	byArySend[5] = 0x00;

	byArySend[6] = 0x00;
	byArySend[7] = 0x00;
	byArySend[8] = 0x00;
	byArySend[9] = 0x00;

	byArySend[10] = 0x00;
	byArySend[11] = 0x00;
	byArySend[12] = 0x00;
	byArySend[13] = 0x00;
	// 结束;
	byArySend[14] = byArySend[0] ^ byArySend[1];

	iSendLen = 15;

	if( WaitForSingleObject( m_hSemComm, 0 ) == WAIT_OBJECT_0 )			// 有信号才写串口
	{
		ResetEvent( m_hSemComm );
		int nResult = pComm->Write(byArySend, iSendLen);

		if( nResult != iSendLen )
		{
			SetEvent( m_hSemComm );
			LOG4C((LOG_NOTICE,"PDU::Send_ReadDeviceData=ERR_CODE_COM_FAULT"));
			return ERR_CODE_COM_FAULT;
		}
	}
	else
	{
		LOG4C((LOG_NOTICE,"PDU::Send_ReadDeviceData=ERR_CODE_COM_FAULT"));
		return ERR_CODE_COM_BUSY;
	}
#endif

	return 0;
}

int RS485Model::Recv_ReadDeviceData(int nAddr,CCommProcess *pComm,const char *szIniSendCMD, char *szCmd)
{
#if DEBUG_RS485MODEL
	BYTE *byAryRecv = new BYTE[16];
	ZeroMemory(byAryRecv, 16);

	int iRecvLen = pComm->Read(byAryRecv, 15);
	if( iRecvLen != 15) 
	{
		SetEvent( m_hSemComm );
		if( iRecvLen != NULL)
		{
			delete[] byAryRecv;
			byAryRecv = NULL;
		}
		LOG4C((LOG_NOTICE,"RS485Model 设备无数据返回"));
		return ERR_CODE_COM_READ_NO_DATA;
	}

	SetCPDUVarMsg( nAddr,szIniSendCMD, szCmd, byAryRecv);

	m_dwOnlineTick[nAddr -1] = GetTickCount();

	SetEvent( m_hSemComm );
	if( byAryRecv != NULL)
	{
		delete[] byAryRecv;
		byAryRecv = NULL;
	}
#else
	SimulationCommData();
#endif
	return 0;
}

void RS485Model::SetCPDUVarMsg( int nAddr,const char *szIniSendCMD, char *szCmd, BYTE *pBuffer)
{
	if( strcmp(szIniSendCMD,"WW") == 0)
	{
#if IS_USE_READMSG_CS
		EnterCriticalSection( &m_csReadMsg );
#endif
		memcpy(m_szMsg[nAddr-1], pBuffer, sizeof(m_szMsg[nAddr-1]));
#if IS_USE_READMSG_CS
		LeaveCriticalSection(&m_csReadMsg);
#endif
	}
}

int RS485Model::GetCPDUVarMsg(int nAddr,const char *szIniSendCMD, char *szCmd, char *szRecvMsg,int &nIndex,int &nLen,char *szDataType,const int &iSBit, const int &iEBit)
{
	int nRet = 0;	
	if( strcmp(szIniSendCMD,"WW") == 0)
	{
#if IS_USE_READMSG_CS
		EnterCriticalSection( &m_csReadMsg );
#endif
		// ... anything
#if IS_USE_READMSG_CS
		LeaveCriticalSection(&m_csReadMsg);
		nRet = 0;
#endif
	}
	return nRet;
}

void RS485Model::SimulationCommData(void)
{
}