Qucs-GUI: /home/travis/build/Qucs/qucs/qucs/qucs/components/mux8to1.cpp Source File

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00001 /***************************************************************************
00002                               mux8to1
00003                              ---------
00004     begin                : December 2008
00005     copyright            : (C) 2008 by Mike Brinson
00006     email                : mbrin72043@yahoo.co.uk
00007  ***************************************************************************/
00008 
00009 /*
00010  * mux8to1.cpp - device implementations for mux8to1 module
00011  *
00012  * This is free software; you can redistribute it and/or modify
00013  * it under the terms of the GNU General Public License as published by
00014  * the Free Software Foundation; either version 2, or (at your option)
00015  * any later version.
00016  * 
00017  */
00018 #include "mux8to1.h"
00019 #include "node.h"
00020 #include "misc.h"
00021 
00022 mux8to1::mux8to1()
00023 {
00024   Type = isComponent; // Analogue and digital component.
00025   Description = QObject::tr ("8to1 multiplexer verilog device");
00026 
00027   Props.append (new Property ("TR", "6", false,
00028     QObject::tr ("transfer function high scaling factor")));
00029   Props.append (new Property ("Delay", "1 ns", false,
00030     QObject::tr ("output delay")
00031     +" ("+QObject::tr ("s")+")"));
00032  
00033   createSymbol ();
00034   tx = x1 + 19;
00035   ty = y2 + 4;
00036   Model = "mux8to1";
00037   Name  = "Y";
00038 }
00039 
00040 Component * mux8to1::newOne()
00041 {
00042   mux8to1 * p = new mux8to1();
00043   p->Props.getFirst()->Value = Props.getFirst()->Value; 
00044   p->recreate(0); 
00045   return p;
00046 }
00047 
00048 Element * mux8to1::info(QString& Name, char * &BitmapFile, bool getNewOne)
00049 {
00050   Name = QObject::tr("8to1 Mux");
00051   BitmapFile = (char *) "mux8to1";
00052 
00053   if(getNewOne) return new mux8to1();
00054   return 0;
00055 }
00056 
00057 void mux8to1::createSymbol()
00058 {
00059   Lines.append(new Line(-30, -80, 30,-80,QPen(Qt::darkBlue,2)));
00060   Lines.append(new Line( 30, -80, 30, 190,QPen(Qt::darkBlue,2)));
00061   Lines.append(new Line( 30, 190,-30, 190,QPen(Qt::darkBlue,2)));
00062   Lines.append(new Line(-30, 190,-30, -80,QPen(Qt::darkBlue,2)));
00063 
00064   Lines.append(new Line(-50,-40,-40,-40,QPen(Qt::darkBlue,2)));  //EN
00065   Lines.append(new Line(-50,-20,-30, -20,QPen(Qt::darkBlue,2))); //A
00066   Lines.append(new Line(-50, 0, -30, 0,QPen(Qt::darkBlue,2)));   //B
00067   Lines.append(new Line(-50, 20, -30, 20,QPen(Qt::darkBlue,2))); //C
00068 
00069   Lines.append(new Line(-50, 40, -30, 40,QPen(Qt::darkBlue,2))); //D0
00070   Lines.append(new Line(-50, 60, -30, 60,QPen(Qt::darkBlue,2))); //D1
00071   Lines.append(new Line(-50, 80, -30, 80,QPen(Qt::darkBlue,2))); //D2
00072   Lines.append(new Line(-50, 100,-30,100,QPen(Qt::darkBlue,2))); //D3
00073   Lines.append(new Line(-50, 120,-30,120,QPen(Qt::darkBlue,2))); //D4
00074   Lines.append(new Line(-50, 140,-30,140,QPen(Qt::darkBlue,2))); //D5
00075   Lines.append(new Line(-50, 160,-30,160,QPen(Qt::darkBlue,2))); //D6
00076   Lines.append(new Line(-50, 180,-30,180,QPen(Qt::darkBlue,2))); //D7
00077   Lines.append(new Line( 30, 60, 50, 60,QPen(Qt::darkBlue,2)));  // Y
00078 
00079   Arcs.append(new Arc( -40, -45, 10, 10, 0, 16*360, QPen(Qt::darkBlue,2)));
00080  
00081   Texts.append(new Text(-17,-75, "MUX", Qt::darkBlue, 12.0));
00082 
00083   Texts.append(new Text(-25,-53, "En", Qt::darkBlue, 12.0));
00084   Texts.append(new Text(-14,-13, "G", Qt::darkBlue, 12.0));
00085   Texts.append(new Text(-1, -18, "}", Qt::darkBlue, 16.0));
00086   Texts.append(new Text( 12,-22, "0", Qt::darkBlue, 12.0));
00087   Texts.append(new Text( 12, -2, "7", Qt::darkBlue, 12.0));
00088 
00089   Texts.append(new Text(-25,-31, "0", Qt::darkBlue, 12.0));
00090   Texts.append(new Text(-25,  7, "2", Qt::darkBlue, 12.0));
00091 
00092   Texts.append(new Text(-25, 27, "0", Qt::darkBlue, 12.0));
00093   Texts.append(new Text(-25, 47, "1", Qt::darkBlue, 12.0));
00094   Texts.append(new Text(-25, 67, "2", Qt::darkBlue, 12.0));
00095   Texts.append(new Text(-25, 87, "3", Qt::darkBlue, 12.0));
00096   Texts.append(new Text(-25,107, "4", Qt::darkBlue, 12.0));
00097   Texts.append(new Text(-25,127, "5", Qt::darkBlue, 12.0));
00098   Texts.append(new Text(-25,147, "6", Qt::darkBlue, 12.0));
00099   Texts.append(new Text(-25,167, "7", Qt::darkBlue, 12.0));
00100 
00101   Lines.append(new Line(11, 0, 23, 0, QPen(Qt::darkBlue,2)));
00102 
00103   Ports.append(new Port(-50,-40));  // En
00104   Ports.append(new Port(-50,-20));  // A
00105   Ports.append(new Port(-50,  0));  // B
00106   Ports.append(new Port(-50, 20));  // C
00107   Ports.append(new Port(-50, 40));  // D0
00108   Ports.append(new Port(-50, 60));  // D1
00109   Ports.append(new Port(-50, 80));  // D2
00110   Ports.append(new Port(-50,100));  // D3
00111   Ports.append(new Port(-50,120));  // D4
00112   Ports.append(new Port(-50,140));  // D5
00113   Ports.append(new Port(-50,160));  // D6
00114   Ports.append(new Port(-50,180));  // D7
00115   Ports.append(new Port( 50, 60));  // Y
00116 
00117   x1 = -50; y1 = -84;
00118   x2 =  50; y2 =  194;
00119 }
00120 
00121 QString mux8to1::vhdlCode( int )
00122 {
00123   QString s="";
00124 
00125   QString td = Props.at(1)->Value;     // delay time
00126   if(!misc::VHDL_Delay(td, Name)) return td; // time has not VHDL format
00127   td += ";\n";
00128 
00129   QString En = Ports.at(0)->Connection->Name;
00130   QString A  = Ports.at(1)->Connection->Name;
00131   QString B  = Ports.at(2)->Connection->Name;
00132   QString C  = Ports.at(3)->Connection->Name;
00133   QString D0 = Ports.at(4)->Connection->Name;
00134   QString D1 = Ports.at(5)->Connection->Name;
00135   QString D2 = Ports.at(6)->Connection->Name;
00136   QString D3 = Ports.at(7)->Connection->Name;
00137   QString D4 = Ports.at(8)->Connection->Name;
00138   QString D5 = Ports.at(9)->Connection->Name;
00139   QString D6 = Ports.at(10)->Connection->Name;
00140   QString D7 = Ports.at(11)->Connection->Name;
00141   QString y  = Ports.at(12)->Connection->Name;
00142 
00143   s = "\n  " + Name + ":process (" + En + ", " +  A + ", " + B + ", " + C + ", " +
00144                               D0 + ", " +  D1 + ", " + D2 + ", " + D3 + ", " +
00145                               D4 + ", " +  D5 + ", " + D6 + ", " + D7 + ")\n"  +
00146      "  begin\n    " +
00147      y + " <= " +  "(not " + En + ") and ((" + D7 + " and "  + C + " and " + B   + " and " +  A + ") or\n" + 
00148          "                 (" + D6 + " and " + C + " and " + B + " and not "+ A + ") or\n" +
00149          "                 (" + D5 + " and "  + C + " and not "+ B + " and " + A + ") or\n" +
00150          "                 (" + D4 + " and "  + C + " and not " + B + " and not "+A + ") or\n" + 
00151          "                 (" + D3 + " and not "  + C + " and " + B   +  " and " +  A + ") or\n" + 
00152          "                 (" + D2 + " and not "  + C + " and " + B   +  " and not "+ A + ") or\n" +
00153          "                 (" + D1 + " and not "  + C + " and not "+ B   +  " and " +  A + ") or\n" +
00154          "                 (" + D0 + " and not "  + C + " and not " + B +  " and not "+A + "))" + td +
00155      "  end process;\n";
00156   return s;
00157 }
00158 
00159 QString mux8to1::verilogCode( int )
00160 {
00161   QString td = Props.at(1)->Value;        // delay time
00162   if(!misc::Verilog_Delay(td, Name)) return td; // time does not have VHDL format
00163   
00164   QString l = "";
00165 
00166   QString En = Ports.at(0)->Connection->Name;
00167   QString A  = Ports.at(1)->Connection->Name;
00168   QString B  = Ports.at(2)->Connection->Name;
00169   QString C  = Ports.at(3)->Connection->Name;
00170   QString D0 = Ports.at(4)->Connection->Name;
00171   QString D1 = Ports.at(5)->Connection->Name;
00172   QString D2 = Ports.at(6)->Connection->Name;
00173   QString D3 = Ports.at(7)->Connection->Name;
00174   QString D4 = Ports.at(8)->Connection->Name;
00175   QString D5 = Ports.at(9)->Connection->Name;
00176   QString D6 = Ports.at(10)->Connection->Name;
00177   QString D7 = Ports.at(11)->Connection->Name;
00178   QString y  = Ports.at(12)->Connection->Name;
00179 
00180   QString v = "net_reg" + Name + y;
00181   
00182   l = "\n  // " + Name + " 8to1 mux\n" +
00183       "  assign  " + y + " = " + v + ";\n" +
00184       "  reg     " + v + " = 0;\n" +
00185       "  always @ (" + En + " or " + A + " or " + B + " or " + C + " or " +
00186                        D0 + " or " + D1 + " or " + D2 + " or " + D3 +  " or " +
00187                        D4 + " or " + D5 + " or " + D6 + " or " + D7 + ")\n" +
00188       "    " + v + " <=" + td + " (" + D7 + " && "  + C + " && " + B + " && " + A  +")" + " ||\n" +
00189       "                         (" + D6 + " && "  + C + " && " + B + " && ~"+ A  +")" + " ||\n" +
00190       "                         (" + D5 + " && "  + C + " && ~"+ B + " && " + A  +")" + " ||\n" +
00191       "                         (" + D4 + " && "  + C + " && ~"+ B + " && ~"+ A  +")" + " ||\n" +
00192       "                         (" + D3 + " && ~" + C + " && " + B + " && " + A  +")" + " ||\n" +
00193       "                         (" + D2 + " && ~" + C + " && " + B + " && ~"+ A  +")" + " ||\n" +
00194       "                         (" + D1 + " && ~" + C + " && ~"+ B + " && " + A  +")" + " ||\n" +
00195       "                         (" + D0 + " && ~" + C + " && ~"+ B + " && ~"+ A  +")" + ";\n" ;
00196 
00197   return l;
00198 }