// Upskehua.cpp : 定义 DLL 的初始化例程。
//

#include "stdafx.h"
#include "Upskehua.h"
#include "CommRS232.h"
#include "Head.h"
#include "winsock2.h"
#include "ProtocolModbus.h"
#include <stdlib.h>

#pragma   comment(lib,   "ws2_32.lib ")

vector<__COM_STRUCT> g_vtComStruct;
//vector<__BASIC_STRUCT> g_vtReadBasicInfo;

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

BOOL InitComm( int nAddr, 
			  int nCommPort, 
			  int nRate, 
			  int nDataBit, 
			  int nStopBit, 
			  int nParity, 
			  int nInterval );

int CommDataCollect(int nCommPort, 
					int nAddr, 
					char szCmd[32],
					char chSendMsg[32], 
					int nDataLen,
					char chMsg[UPS_KE_HUA_MAX_MSG]);

int GetCommIndex( int nCommPort, int nAddr );

// CMGEApp

BEGIN_MESSAGE_MAP(CUpskehuaApp, CWinApp)
END_MESSAGE_MAP()


// CMGEApp 构造

CUpskehuaApp::CUpskehuaApp()
{
	// TODO: 在此处添加构造代码，
	// 将所有重要的初始化放置在 InitInstance 中

}


// 唯一的一个 CMGEApp 对象

CUpskehuaApp theApp;


// CMGEApp 初始化

BOOL CUpskehuaApp::InitInstance()
{
	CWinApp::InitInstance();

	return TRUE;
}

int CUpskehuaApp::ExitInstance()
{
	// TODO: 在此添加专用代码和/或调用基类

	// 关闭已经打开的串口
	for( unsigned int i = 0; i < g_vtComStruct.size(); i++ )
	{
		if( g_vtComStruct[i].pComm )
		{
			delete g_vtComStruct[i].pComm;
			g_vtComStruct[i].pComm = NULL;
		}
	}

	return CWinApp::ExitInstance();
}

int UPSKEHUA_DLLInit(int nCommPort, 
					int nAddr,
					char szCmd[32],
					char chSendMsg[32], 
					int nDataLen,
					char chMsg[UPS_KE_HUA_MAX_MSG])
{
	return  CommDataCollect(nCommPort, 
							nAddr, 
							szCmd,
							chSendMsg, 
							nDataLen,
							chMsg);
}

void UPSKEHUA_DLLUnInit()
{
	// 关闭串口，放到退出Dll时去关闭 ExitInstance
	return;
}

//初始化串口
BOOL UPSKEHUA_DLLInitCom( int nAddr, int nCommPort, int nRate, int nDataBit, int nStopBit, int nParity, int nInterval)
{
	if (InitComm( nAddr, nCommPort, nRate, nDataBit, nStopBit, nParity, nInterval ))
	{
		return TRUE;
	}
	else
	{
		return FALSE;
	}
}

BOOL InitComm( int nAddr, int nCommPort, int nRate, int nDataBit, int nStopBit, int nParity, int nInterval )
{
	CCommAsyn *pComm = NULL;
	int nCommIndex = GetCommIndex( nCommPort, nAddr );
	if( nCommIndex == -1 )
	{
		pComm = new CCommRS232;
		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
		if(!pComm->InitParam(&portParam))
		{
			delete pComm;
			pComm = NULL;
			return FALSE;
		}
		else
		{
			COM_STRUCT tagComStruct;
			tagComStruct.nAddr = nAddr;
			tagComStruct.nCommPort = nCommPort;
			tagComStruct.pComm = pComm;

			// 串口只打开一次且按顺序打开，不存在资源共享冲突，所以不用加保护 
			g_vtComStruct.push_back( tagComStruct );
		}
	}

	return TRUE;
}

int CommDataCollect(int nCommPort, 
					int nAddr, 
					char szCmd[32],
					char chSendMsg[32], 
					int nDataLen,
					char chMsg[UPS_KE_HUA_MAX_MSG])
{
	int nCommIndex = GetCommIndex( nCommPort, nAddr );
	if( nCommIndex == -1 ) return ERR_CODE_UPSKEHUA_COM_FAULT;

	CCommAsyn *pComm = NULL;
	pComm = g_vtComStruct[nCommIndex].pComm;

	return pComm->WorkMain(nCommPort, nAddr, szCmd, chSendMsg, nDataLen,chMsg);
}

int GetCommIndex( int nCommPort, int nAddr )
{
	//BOOL bOpenFlag = FALSE;
	for( int i = 0; i < (int)g_vtComStruct.size(); i++ )
	{
		if( g_vtComStruct[i].nCommPort == nCommPort)// && g_vtComStruct[i].nAddr == nAddr)
		{
			if (g_vtComStruct[i].nAddr == nAddr)
				return i;
		//	bOpenFlag = TRUE;
		}
		//else
		//{
		//	if ((g_vtComStruct[i].nAddr == nAddr) && bOpenFlag)
		//		return i;
				
		//}
	}

	return -1;
}

int UPSKEHUA_DLLWrCom(int nCommPort, int nAddr, char DataBuffer[80], int nDataLen)
{
	int nCommIndex = GetCommIndex( nCommPort, nAddr );
	if( nCommIndex == -1 ) return ERR_CODE_UPSKEHUA_COM_FAULT;

	CCommAsyn *pComm = NULL;
	pComm = g_vtComStruct[nCommIndex].pComm;
	int iResult = pComm->WriteCommand(DataBuffer, nDataLen);
	return iResult;
}