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);
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 float[] ReadFloatArray(DeviceAddress address, ushort size)
{
if (IsClosed)
{
return(null);
}
else
{
float[] buffer = new float[size]; address.VarType = DataType.FLOAT; var addr = GetAddress(address);
LGX_Read *data = Tuxeip_Class._ReadLgxData(session, connection, addr, size);
if (data != null && data->Varcount > 0)
{
for (int i = 0; i < data->Varcount; i++)
{
buffer[i] = Tuxeip_Class._GetLGXValueAsFloat(data, i);
}
data = null;
return(buffer);
}
connection = null;
return(null);
}
}
public static extern LGX_Read *_ReadLgxData(
Eip_Session *session,
Eip_Connection *connection,
string adress,
ushort number);
public static extern int _Forward_Close(Eip_Connection *connection);
