public static extern PLC_Read *_ReadPLCData(
Eip_Session *session,
Eip_Connection *connection,
DHP_Header *dhp,
byte *routepath, byte routepathsize,
Plc_Type type, short tns,
string address, short number);
public bool Connect()
{
try
{
if (session != null)
{
Dispose();
}
session = Tuxeip_Class.OpenSession(_ip);
byte[] path = new byte[] { _rack, _slot };
if (session != null)
{
int res = Tuxeip_Class._RegisterSession(session);
connection = Tuxeip_Class.ConnectPLCOverCNET(session, Plc_Type.LGX, path);
}
return(session != null && connection != null);
}
catch (Exception error)
{
if (OnError != null)
{
OnError(this, new IOErrorEventArgs(error.Message));
}
return(false);
}
}
public static extern int _WriteLgxData(
Eip_Session *session,
Eip_Connection *connection,
string adress,
LGX_Data_Type datatype,
void *data,
//int datasize,
short number);
public static extern int _WritePLCData(
Eip_Session *session,
Eip_Connection *connection,
DHP_Header *dhp,
byte *routepath, byte routepathsize,
Plc_Type type, short tns,
string address,
PLC_Data_Type datatype,
void *data,
short number);
private static extern Eip_Connection *_ConnectPLCOverCNET(
Eip_Session *session,
Plc_Type Plc,
byte Priority,
sbyte TimeOut_Ticks,
uint TO_ConnID, //originator's CIP consumed session ID
ushort ConnSerialNumber, // session serial number
ushort OriginatorVendorID,
uint OriginatorSerialNumber,
sbyte TimeOutMultiplier,
uint RPI,// originator to target packet rate in msec
byte Transport,
byte[] path, byte pathsize);
public void Dispose()
{
if (connection != null)
{
Tuxeip_Class._Forward_Close(connection);
}
if (session != null)
{
Tuxeip_Class._UnRegisterSession(session);
}
Tuxeip_Class.CloseSession(session);
Marshal.FreeCoTaskMem((IntPtr)connection);
Marshal.FreeCoTaskMem((IntPtr)session);
connection = null;
session = null;
}
public static Eip_Connection *ConnectPLCOverCNET(Eip_Session *session, Plc_Type Plc, byte[] path)
{
return(_ConnectPLCOverCNET(session, Plc, _Priority, _TimeOut_Ticks, 0x12345678, 0x6789,
_OriginatorVendorID, _OriginatorSerialNumber, _TimeOutMultiplier, 5000, _Transport, path, (byte)path.Length));
}
public static extern int _UnRegisterSession(Eip_Session *session);
public static extern void CloseSession(Eip_Session *session);
public static extern LGX_Read *_ReadLgxData(
Eip_Session *session,
Eip_Connection *connection,
string adress,
ushort number);
