int _GetLGXValueAsInteger(LGX_Read *reply,int index)
{
return(_GetLGXValueAsFloat(reply,index));
}
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="192.168.1.3\0";
BYTE path[]={1,1,2,5,1,0};
// char *IP="10.140.200.48\0";
// BYTE path[]={1,8,2,4,1,0};
int res;
char *var;
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;
float val_float;
printf("RegisterSession Ok\n");
printf("entering ConnectPLCOverCNET\n");
Eip_Connection *connection=ConnectPLCOverCNET(
session, // session whe have open
LGX, // 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=ReadLgxData(session,connection,var,1);
if (data!=NULL)
{
if (data->Varcount>0)
{
printf("ReadLgxData 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_int=_GetLGXValueAsInteger(data,i);
val_float=_GetLGXValueAsFloat(data,i);
printf("Value [%d] = %f (%d)\n",i,val_float,val_int);
}
} else printf("Error ReadLgxData : %s\n",cip_err_msg);
free(data); // You have to free the data return by ReadLgxData
} else
{
printf("Error : ReadLgxData %s (%d:%d)\n",cip_err_msg,cip_errno,cip_ext_errno);
}
val_int++;
printf("Writing %s=%d\n",var,val_int);
//res=WriteLgxData(session,connection,var,LGX_INT,&val_int,1);
if(res!=Error) printf("WriteData Ok\n");
else printf("Error : WriteData %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);
}
