andor4x2.cpp

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/***************************************************************************
                              andor4x2
                             ----------
    begin                : December 2008
    copyright            : (C) 2008 by Mike Brinson
    email                : mbrin72043@yahoo.co.uk
 ***************************************************************************/

/*
 * andor4x2.cpp - device implementations for andor4x2 module
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 * 
 */
#include <QtGui>
#include "andor4x2.h"
#include "node.h"
#include "main.h"

andor4x2::andor4x2()
{
  Type = isComponent; // Analogue and digital component.
  Description = QObject::tr ("4x2 andor verilog device");

  Props.append (new Property ("TR", "6", false,
    QObject::tr ("transfer function high scaling factor")));
  Props.append (new Property ("Delay", "1 ns", false,
    QObject::tr ("output delay")
    +" ("+QObject::tr ("s")+")"));

  createSymbol ();
  tx = x1 + 19;
  ty = y2 + 4;
  Model = "andor4x2";
  Name  = "Y";
}

Component * andor4x2::newOne()
{
  andor4x2 * p = new andor4x2();
  p->Props.getFirst()->Value = Props.getFirst()->Value; 
  p->recreate(0); 
  return p;
}

Element * andor4x2::info(QString& Name, char * &BitmapFile, bool getNewOne)
{
  Name = QObject::tr("4x2 AndOr");
  BitmapFile = (char *) "andor4x2";

  if(getNewOne) return new andor4x2();
  return 0;
}

void andor4x2::createSymbol()
{
  Lines.append(new Line(-30, -60, 30,-60,QPen(Qt::darkBlue,2)));
  Lines.append(new Line( 30, -60, 30, 60,QPen(Qt::darkBlue,2)));
  Lines.append(new Line( 30,  60,-30, 60,QPen(Qt::darkBlue,2)));
  Lines.append(new Line(-30,  60,-30,-60,QPen(Qt::darkBlue,2)));

  Lines.append(new Line(-30, -30,  0,-30,QPen(Qt::darkBlue,2)));
  Lines.append(new Line(-30,   0,  0,  0,QPen(Qt::darkBlue,2)));
  Lines.append(new Line(-30,  30,  0, 30,QPen(Qt::darkBlue,2)));
  Lines.append(new Line(  0, -60,  0, 60,QPen(Qt::darkBlue,2)));

  Lines.append(new Line(-50,-50,-30,-50,QPen(Qt::darkBlue,2)));   //A11
  Lines.append(new Line(-50,-40,-30,-40,QPen(Qt::darkBlue,2)));   //A12
  Lines.append(new Line(-50,-20,-30,-20,QPen(Qt::darkBlue,2)));   //A21
  Lines.append(new Line(-50,-10,-30,-10,QPen(Qt::darkBlue,2)));   //A22

  Lines.append(new Line(-50, 10, -30, 10,QPen(Qt::darkBlue,2)));  //A31
  Lines.append(new Line(-50, 20, -30, 20,QPen(Qt::darkBlue,2)));  //A32
  Lines.append(new Line(-50, 40, -30, 40,QPen(Qt::darkBlue,2)));  //A41
  Lines.append(new Line(-50, 50, -30, 50,QPen(Qt::darkBlue,2)));  //A42
  Lines.append(new Line( 30,  0,  50,  0,QPen(Qt::darkBlue,2)));  //Y

  Texts.append(new Text( -20, -60, "&", Qt::darkBlue, 12.0));
  Texts.append(new Text( -20, -30, "&", Qt::darkBlue, 12.0));
  Texts.append(new Text( -20,   0, "&", Qt::darkBlue, 12.0));
  Texts.append(new Text( -20,  30, "&", Qt::darkBlue, 12.0));
 
  Lines.append(new Line(  7, -45, 17, -40,QPen(Qt::darkBlue,2))); 
  Lines.append(new Line(  7, -35, 17, -40,QPen(Qt::darkBlue,2)));
  Lines.append(new Line(  7, -30, 17, -35,QPen(Qt::darkBlue,2))); 
  Lines.append(new Line( 22, -30, 22, -45,QPen(Qt::darkBlue,2)));  


  Ports.append(new Port(-50,-50));  // A11
  Ports.append(new Port(-50,-40));  // A12
  Ports.append(new Port(-50,-20));  // A21
  Ports.append(new Port(-50,-10));  // A22
  Ports.append(new Port(-50, 10));  // A31
  Ports.append(new Port(-50, 20));  // A32
  Ports.append(new Port(-50, 40));  // A41
  Ports.append(new Port(-50, 50));  // A42

  Ports.append(new Port( 50, 0 )); // Y

  x1 = -50; y1 = -64;
  x2 =  50; y2 =  64;
}

QString andor4x2::vhdlCode( int )
{
  QString s="";

  QString td = Props.at(1)->Value;     // delay time
  if(!VHDL_Delay(td, Name)) return td; // time has not VHDL format
  td += ";\n";

  QString a11 = Ports.at(0)->Connection->Name;
  QString a12 = Ports.at(1)->Connection->Name;
  QString a21 = Ports.at(2)->Connection->Name;
  QString a22 = Ports.at(3)->Connection->Name;
  QString a31 = Ports.at(4)->Connection->Name;
  QString a32 = Ports.at(5)->Connection->Name;
  QString a41 = Ports.at(6)->Connection->Name;
  QString a42 = Ports.at(7)->Connection->Name;
  QString y   = Ports.at(8)->Connection->Name;

  s = "\n  " + Name +":process ("+a11+", "+a12+", "+a21+", "+ a22+", "+
                           a31+", "+a32+", "+a41+", "+a42 + ")\n"+
     "  begin\n    " +
     y+" <= "+"("+a11+" and "+a12+") or "+"("+a21+" and "+a22+") or "+ 
       "\n                 ("+a31+" and " +a32+") or "+ "("+a41+" and "+a42+")"+td+
    "  end process;\n";
  return s;
}

QString andor4x2::verilogCode( int )
{
  QString td = Props.at(1)->Value;        // delay time
  if(!Verilog_Delay(td, Name)) return td; // time does not have VHDL format

  QString l = "";

  QString a11 = Ports.at(0)->Connection->Name;
  QString a12 = Ports.at(1)->Connection->Name;
  QString a21 = Ports.at(2)->Connection->Name;
  QString a22 = Ports.at(3)->Connection->Name;
  QString a31 = Ports.at(4)->Connection->Name;
  QString a32 = Ports.at(5)->Connection->Name;
  QString a41 = Ports.at(6)->Connection->Name;
  QString a42 = Ports.at(7)->Connection->Name;
  QString y   = Ports.at(8)->Connection->Name;

  QString v = "net_reg" + Name + y;

  l = "\n  // " + Name + " 4x2 andor\n" +
      "  assign  " + y + " = " + v + ";\n" +
      "  reg     " + v + " = 0;\n" +
      "  always @ (" + a11 + " or " + a12 + " or "
                     + a21 + " or " + a22 + " or "
         + a31 + " or " + a32 + " or " 
                     + a41 + " or " + a42 + ")\n  " +
      "  " + v + " <=" + td + " (" + a11 + " && " + a12 + ")" + " || " +
               "(" + a21 + " && " + a22 + ")" + " || " +
               "(" + a31 + " && " + a32 + ")" + " || " +
               "(" + a41 + " && " + a42 + ")" + ";\n" ;
  return l;
}