Qucs-core
0.0.19
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00001 /* 00002 * digital.h - digital base class definitions 00003 * 00004 * Copyright (C) 2005, 2006 Stefan Jahn <stefan@lkcc.org> 00005 * 00006 * This is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2, or (at your option) 00009 * any later version. 00010 * 00011 * This software is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this package; see the file COPYING. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 * 00021 * $Id$ 00022 * 00023 */ 00024 00025 #ifndef __DIGITAL_H__ 00026 #define __DIGITAL_H__ 00027 00028 class digital : public qucs::circuit 00029 { 00030 public: 00031 digital (); 00032 ~digital (); 00033 void initSP (void); 00034 void calcSP (nr_double_t); 00035 void initDC (void); 00036 void calcDC (void); 00037 void initAC (void); 00038 void calcAC (nr_double_t); 00039 void initTR (void); 00040 void calcTR (nr_double_t); 00041 void calcOperatingPoints (void); 00042 00043 protected: 00044 virtual void calcOutput (void) { } 00045 virtual void calcDerivatives (void) { } 00046 nr_double_t getVin (int); 00047 nr_double_t calcTransfer (int); 00048 nr_double_t calcTransferX (int); 00049 nr_double_t calcDerivative (int); 00050 nr_double_t calcDerivativeX (int); 00051 00052 protected: 00053 nr_double_t * g; 00054 nr_double_t Vout, Veq, Tdelay; 00055 int i; 00056 bool delay; 00057 00058 private: 00059 void initDigital (void); 00060 void freeDigital (void); 00061 }; 00062 00063 #endif /* __DIGITAL_H__ */