00001 // $Id: ethercat_dll.h,v 1.22 2006/02/20 15:57:33 kgad Exp $ 00002 //=========================================================================== 00003 // This file is part of "EtherCAT Master Library". 00004 // Copyright (C) 2005 FMTC vzw, Diamant Building, A. Reyerslaan 80, 00005 // B-1030 Brussels, Belgium. 00006 // 00007 // EtherCAT Master Library is free software; you can redistribute it 00008 // and/or modify it under the terms of the GNU General Public License 00009 // as published by the Free Software Foundation; either version 2 or 00010 // (at your option) any later version. 00011 // 00012 // EtherCAT Master Code is distributed in the hope that it will be 00013 // useful, but WITHOUT ANY WARRANTY; without even the implied 00014 // warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00015 // PURPOSE. See the GNU General Public License for more details. 00016 // 00017 // You should have received a copy of the GNU General Public License 00018 // along with the EtherCAT Master Library; if not, write to the Free 00019 // Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 00020 // 02111-1307 USA. 00021 // 00022 // EtherCAT, the EtherCAT trade name and logo are the intellectual 00023 // property of, and protected by Beckhoff. You can use "EtherCAT 00024 // Master Library" for creating and/or selling or otherwise 00025 // distributing an EtherCAT network master under the terms of the 00026 // EtherCAT Master License. 00027 // 00028 // You should have received a copy of the EtherCAT Master License 00029 // along with the EtherCAT Master Library; if not, write to Beckhoff 00030 // Automation GmbH, Eiserstrasse 5, D-33415 Verl, Germany. 00031 //=========================================================================== 00032 00033 #ifndef __ethercat_dll__ 00034 #define __ethercat_dll__ 00035 00036 // Forward declarations 00037 struct netif; 00038 class EtherCAT_Frame; 00039 00041 00042 class EtherCAT_DataLinkLayer 00043 { 00044 public: 00046 00049 static EtherCAT_DataLinkLayer * instance(void); 00050 00052 00054 void attach(struct netif * netif); 00055 00057 00060 bool txandrx(EtherCAT_Frame * a_frame); 00061 00063 00067 int tx(EtherCAT_Frame * a_frame); 00068 00070 00074 bool rx(EtherCAT_Frame * a_frame, int a_handle); 00075 00076 protected: 00077 EtherCAT_DataLinkLayer(); 00078 00079 private: 00080 static EtherCAT_DataLinkLayer * m_instance; 00081 struct netif * m_if; 00082 }; 00083 00084 #endif // __ethercat_dll__