bool QPlc::OpenConnection(void)
{
bool result=true;
char ip[16];
Plc_Type vPlcType;
vPlcType=(Plc_Type) m_PlcType;
strcpy(ip,m_ip.toStdString().c_str());
m_Session=OpenSession(ip);
if (m_Session!=NULL)
{
if (RegisterSession(m_Session)<0)
{
CloseSession(m_Session);
return false;
}
} else
{
return false;
}
m_Connection=ConnectPLCOverCNET(m_Session,vPlcType,(long)m_Session,GetSerial(),m_time_out,m_PlcPath,m_path_size);//(int)m_Session
if (m_Connection==NULL)
{
return false;
}
qDebug("Connection OK");
return result;
}
int Connect(PLC *Plc,char *TagName, char *responseValue)
{
int result=SUCCESS;
int path_size=0;
char ip[16];
BYTE path[40];
Eip_Session *Session=NULL;
Eip_Connection *Connection=NULL;
int dataType;
Log(LOG_DEBUG,"[Connect] Building Session for %s\n",Plc->PlcName);
path_size=ParsePath(Plc->PlcPath,ip,path);
if (path_size>0)
{
Session=OpenSession(ip);
if (Session!=NULL)
{
if (RegisterSession(Session)<0)
{
CloseSession(Session);
Log(LOG_CRIT,"[Connect] Unable to register session for Plc: %s (%s) \n",Plc->PlcName,cip_err_msg);
return ERROR;
}
} else
{
Log(LOG_CRIT,"[Connect] Unable to open session for Plc: %s (%s)\n",Plc->PlcName,cip_err_msg);
return ERROR;
}
if (Plc->NetWork)
Connection=ConnectPLCOverDHP(Session,Plc->PlcType,(int)Session,GetSerial(),MAX_SAMPLE,Plc->NetWork,path,path_size);
else
Connection=ConnectPLCOverCNET(Session,Plc->PlcType,(int)Session,GetSerial(),MAX_SAMPLE,path,path_size);
if (Connection!=NULL)
{
Log(LOG_DEBUG,"[Connect] Connection (%p) created for PLC : %s (%s) )\n",Connection,Plc->PlcName,cip_err_msg);
} else
{
Log(LOG_CRIT,"[Connect] Unable to create connection for Plc: %s (%s)\n",Plc->PlcName,cip_err_msg);
return ERROR;
}
} else Log(LOG_ERR,"[Connect] Invalid path : %s\n",Plc->PlcPath);
Log(LOG_DEBUG,"[Connect] Connect : %s [%s](%p / %p)\n",TagName,writeValue,Session,Connection);
if (ReadTag(Plc, Session, Connection, TagName, &dataType, responseValue)!=SUCCESS)
return ERROR;
else
{
if (isWrite)
{
if (WriteTag(Plc, Session, Connection, TagName,dataType)!=SUCCESS)
return ERROR;
Log(LOG_DEBUG,"[Connect] %s [%s] %x (%p / %p)\n",TagName,writeValue,dataType,Session,Connection);
if (ReadTag(Plc, Session, Connection, TagName, &dataType, responseValue)!=SUCCESS)
return ERROR;
}
}
return result;
}
int main(int argc,char *argv[])
{
//cip_debuglevel=LogDebug; // You can uncomment this line to see the data exchange between TuxEip and your Logic controller
char *IP="192.168.1.4\0";
BYTE path[]={1,0};
// char *IP="10.140.200.58\0";
// BYTE path[]={1,0};
int res;
int count=1;
char *var;
int tns=getpid();
printf("Starting, Pid = %d\n",getpid());
if (argc<2)
{
printf("You have to provide a tag name\n");
return(1);
}
var=argv[1];
/* Openning a session */
printf("entering OpenSession \n");
Eip_Session *session=OpenSession(IP);
if (session==NULL)
{
printf("Error : OpenSession %s (%d:%d)\n",cip_err_msg,cip_errno,cip_ext_errno);
return(1);
}
printf("OpenSession Ok\n");
printf("entering RegisterSession \n");
res=RegisterSession(session);
if (res!=Error)
{ int i,val_int,val_bool;
float val_float;
printf("RegisterSession Ok\n");
printf("entering ConnectPLCOverCNET\n");
Eip_Connection *connection=ConnectPLCOverCNET(
session, // session whe have open
SLC500, // plc type
0x12345678, // Target To Originator connection ID
0x6789, // Connection Serial Number
5000, // Request Packet Interval
path, // Path to the ControlLogix
sizeof(path) // path size
);
if (connection!=NULL)
{
printf("ConnectPLCOverCNET Ok, \n");
printf("Reading %s\n",var);
//LGX_Read *data=ReadPlcData(session,connection,var,1);
PLC_Read *data=ReadPLCData(session,connection,NULL,NULL,0,SLC500,tns++,var,count);
if (data!=NULL)
{
if (data->Varcount>0)
{
printf("ReadPLCData Ok :\n");
printf("\telements :%d\n\tDatatype : %d\n\ttotalsize : %d\n\tElement size : %d\n",data->Varcount,data->type,data->totalsize,data->elementsize,data->mask);
for (i=0;i<data->Varcount;i++)
{
val_bool=PCCC_GetValueAsBoolean(data,i);
val_int=PCCC_GetValueAsInteger(data,i);
val_float=PCCC_GetValueAsFloat(data,i);
printf("Value [%d] = %f (%d)\n",i,val_float,val_int,val_bool);
}
} else printf("Error ReadPLCData : %s\n",cip_err_msg);
free(data); // You have to free the data return by ReadLgxData
} else
{
printf("Error : ReadPLCData %s (%d:%d)\n",cip_err_msg,cip_errno,cip_ext_errno);
}
printf("entering Forward_Close\n");
res=Forward_Close(connection);
if (res!=Error) printf("Forward_Close %s\n",cip_err_msg);
else printf("Error : Forward_Close %s (%d:%d)\n",cip_err_msg,cip_errno,cip_ext_errno);
} else
{
printf("Error : ConnectPLCOverCNET %s (%d:%d)\n",cip_err_msg,cip_errno,cip_ext_errno);
}
UnRegisterSession(session);
printf("UnRegister : %s\n",cip_err_msg);
}else
{
printf("Error : RegisterSession %s (%d:%d)\n",cip_err_msg,cip_errno,cip_ext_errno);
}
printf("entering CloseSession\n");
CloseSession(session);
return(0);
}
