// Modbus_C.cpp: implementation of the CModbus_TrainC class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Modbus_TRAINc.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CModbus_TrainC::~CModbus_TrainC()
{
}

void CModbus_TrainC::Init(S_PROTOCOLCFG * pcfg )
{
	PRawCtrl	=	pcfg->PRawCtrl;
	pRxBuf		=	pcfg->pRxBuf;
	pTxBuf		=	pcfg->pTxBuf;
	pCmdMem		=	pcfg->pCmdMem;
	pRtu		=	pcfg->pRtu;
	pLink		=	pcfg->pLink;
	pTable		=	pcfg->pTable;
	pZfDataCtrl	=	pcfg->pZfDataCtrl;
//	pHis		=	pcfg->pHis;
	cnt_sequence=0;
	m_LastSendTime = GetNowSecond();

	//初始化当前通信正常
	m_current_com_status = DEF_MSG_COMMDOWN ; //DEF_MSG_COMMUP代表正常，DEF_MSG_COMMDOWN代表不正常


	m_ResponseFlag = 0;

	m_initFlag = 1;	
	
}

//规约发送过程
sint32	CModbus_TrainC::TxProc()
{
/*	if(m_ResponseFlag == 1)
	{

	}
*/	
	return 1;
}

void	CModbus_TrainC::initTrain()
{
		S_VstData vst;						
		vst.DataType = DEF_VST_TRAIN;
		vst.BuffLen = 12;
		//memset(vst.VstBuf,0,12);
		int i=0;
		for(i=0; i<12; i++)
		{
			vst.VstBuf[i] = 0;
		}
		for(i=1;i<100;i++)
		{
			vst.VstBuf[0] = i;				
			PRawCtrl->PutAVstData(vst);
			PrintLog(LOG_INFORMATION,"初始化第%d辆列车数据",i);
		}
		m_initFlag = 0;
}
sint32  CModbus_TrainC::MsgProc(sint32 msg)
{	
	if(msg == DEF_MSG_COMMDOWN)
	{
		m_current_com_status = DEF_MSG_COMMDOWN;
	
	}
	return 1;

}

//规约接收函数
sint32	CModbus_TrainC::RxProc()
{

	if((m_initFlag == 1)||(m_current_com_status == DEF_MSG_COMMDOWN))
	{
		initTrain();
		m_current_com_status = DEF_MSG_COMMUP;
	}

	sint32 rtuno			=	pLink->GetRtuNo();
	unsigned char rtuaddr		=	pRtu->GetRtuAddr(rtuno);

	int nowtime=GetNowSecond();
	uint32 buflen = pRxBuf->GetReadableSize();

	E_RAW_ComStat commstatus = pLink->GetCommStatus();
	if ( commstatus==CMST_RX_CNT && (nowtime-m_LastSendTime) >= 20)
	{
		//超时不重发，直接跳到下一个终端
		pRxBuf->Move(buflen);
		pLink->RegisterFrm(FRAME_RX_TIMEOUT);
		pLink->SetCommStatus(CMST_TX_CNT);
		PrintLog(LOG_VIOLATION,	" 数据超时\n");
		return -1;
	}

	uint8  buf[1024];
	uint32 datanum =0;
//	if(0<buflen)PrintLog(LOG_INFORMATION,"取到数据长度%d",buflen);
	while (buflen >= 21)
	{
		if(buflen>1024)buflen=1024;
		pRxBuf->Read(buf, buflen, DEF_BUFF_NOMOVE );
		
	
			if((buf[0]==0xEB)&&(buf[1]==0x90)&&buf[7]==66)//请求数据train
			{			
				S_VstData vst;
				
				int datalen =(buf[4]<<8) + buf[5];		
				//按功能码区分数据
				PrintLog(LOG_INFORMATION,"取到列车数据长度%d",datalen);
					
				vst.DataType = DEF_VST_TRAIN;
				vst.BuffLen = buf[8];
				for(int i=0; i<vst.BuffLen; i++)
				{
					vst.VstBuf[i] = buf[9+i];
				}				
				
				PRawCtrl->PutAVstData(vst);
				m_ResponseFlag = 1;
				//PrintLog(LOG_INFORMATION,"收到列车数据");
				PrintLog(LOG_INFORMATION,"收到列车数据序列号%d:列车号:%d,方向:%d,边线号:%d,偏移量:%dCM,终点站号:%d,描述码%d,阻塞%d",(buf[2]*100+buf[3]),buf[9],buf[10],buf[11]+(buf[12]<<8),(buf[16]<<24)+(buf[15]<<16)+(buf[14]<<8)+buf[13],buf[17],(buf[20]<<8)+buf[19],buf[9+9]);
//				PrintLog(LOG_INFORMATION,"收到列车数据序列号%d:列车号:%d,方向:%d,边线号:%d,偏移量:%dCM,终点站号:%d,描述码%d,阻塞%d",(buf[2]*100+buf[3]),buf[9],buf[10],buf[11],(buf[14]<<8)+buf[13],buf[17-2],(buf[20-2]<<8)+buf[19-2],buf[9+9-2]);

				pRxBuf->Move(datalen+6);
				buflen = pRxBuf->GetReadableSize();
				SendSomething();
			}
			else{
				PrintLog(LOG_INFORMATION,"收到非列车数据,移除数据长度%d",buflen);
				pRxBuf->Move(1);
			}
			
	}

	return 1;
}

void CModbus_TrainC::SendSomething()
{
	int bytelen = 0;
	
	sint32 rtuno			=	pLink->GetRtuNo();
	unsigned char rtuadd	=	pRtu->GetRtuAddr(rtuno);

	if(cnt_sequence>=65535)
		cnt_sequence=0;
	else
		cnt_sequence++;
	unsigned char buf[1024];
	int buflen =0;
    buf[buflen]=cnt_sequence/0x100;buflen++;//H Transaction Identifier
    buf[buflen]=cnt_sequence%0x100; buflen++;//L 
    buf[buflen]=0; buflen++;
    buf[buflen]=0;  buflen++;
	//buf[buflen]=HIBYTE(bytelen); 
	buflen++;
	//buf[buflen]=LOBYTE(bytelen); 
	buflen++;
	buf[buflen]=rtuadd; buflen++;
	buf[buflen]=0;  buflen++;//fun

	buf[buflen] = 2; buflen++;bytelen++;
	//随便发点东西
	buf[buflen]=cnt_sequence/0x100;buflen++;//H Transaction Identifier
    buf[buflen]=cnt_sequence%0x100; buflen++;//L 

	buf[4]=HIBYTE(bytelen); 
	buf[5]=LOBYTE(bytelen);

//	pLink->RegisterFrmCode(RAW_CODEDIR_DOWN,(char *)buf,buflen);
	pTxBuf->Write(buf,buflen);
	m_LastSendTime=GetNowSecond();
	m_ResponseFlag = 0;

//	pLink->SetCommStatus(CMST_NORMAL);
	pLink->SetCommStatus(CMST_RX_CNT);
}

sint32 CModbus_TrainC::GetNowSecond()
{
	CSeTime     SE_T;
	TCriterionTime tmptime;//sint32
	SE_T.GetNow(&tmptime);
	return (sint32)tmptime;
}

//规约对象创建函数
#ifdef __unix
extern "C" CProtocol* CreateProtocol(char *defpara)
#else
extern "C" __declspec(dllexport)  CProtocol* CreateProtocol(char *defpara)
#endif
{
	CProtocol *pEpv = new CModbus_TrainC;
	return pEpv;
}