xref: /gem5/src/systemc/tests/systemc/misc/user_guide/chpt4.3/clocks.h

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  (the "License"); you may not use this file except in compliance with the
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  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.  See the License for the specific language governing
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/*****************************************************************************

  clocks.h --

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

/*****************************************************************************

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
  changes you are making here.

      Name, Affiliation, Date:
  Description of Modification:

 *****************************************************************************/

/* Filename clocks.h */
/* This is an integrated interface & implementation file for */
/* all clock processes that react to the clock edges */

#include "systemc.h"

// First process
SC_MODULE( clk_pos )
{
  SC_HAS_PROCESS( clk_pos );

  sc_in_clk clk;

  sc_signal<bool>& out_clk_pos;

  clk_pos(sc_module_name NAME,
	  sc_clock& TICK_P,
	  sc_signal<bool>& OUT_CLK_POS)
    :
      out_clk_pos(OUT_CLK_POS)
  {
    clk(TICK_P);
	SC_CTHREAD( entry, clk.pos() );
  }

  void entry();
};

void
clk_pos::entry()
{
  out_clk_pos.write(1); cout << "Clk Pos 1\n";
  wait();
  out_clk_pos.write(0); cout << "Clk Pos 0\n";
  wait();
}

// Second process
SC_MODULE( clk_neg )
{
  SC_HAS_PROCESS( clk_neg );

  sc_in_clk clk;

  sc_signal<bool>& out_clk_neg;

  clk_neg(sc_module_name NAME,
	  sc_clock& TICK_N,
	  sc_signal<bool>& OUT_CLK_NEG)
    :
      out_clk_neg(OUT_CLK_NEG)
  {
    clk(TICK_N);
	SC_CTHREAD( entry, clk.neg() );
  }

  void entry();
};

void
clk_neg::entry()
{
  out_clk_neg.write(1); cout << "Clk Neg 1\n";
  wait();
  out_clk_neg.write(0); cout << "Clk Neg 0\n";
  wait();
}

// Third process
SC_MODULE( clk2_pos )
{
  SC_HAS_PROCESS( clk2_pos );

  sc_in_clk clk;

  sc_signal<bool>& out_clk2_pos;

  clk2_pos(sc_module_name NAME,
	   sc_clock& TICK2_P,
	   sc_signal<bool>& OUT_CLK2_POS)
    :
      out_clk2_pos(OUT_CLK2_POS)
  {
    clk(TICK2_P);
	SC_CTHREAD( entry, clk.pos() );
  }

  void entry();
};

void
clk2_pos::entry()
{
  out_clk2_pos.write(1); cout << "Clk2 Pos 1\n";
  wait();
  out_clk2_pos.write(0); cout << "Clk2 Pos 0\n";
  wait();
}

// Fourth process
SC_MODULE( clk2_neg )
{
  SC_HAS_PROCESS( clk2_neg );

  sc_in_clk clk;

  sc_signal<bool>& out_clk2_neg;

  clk2_neg(sc_module_name NAME,
	   sc_clock& TICK2_N,
	   sc_signal<bool>& OUT_CLK2_NEG)
    :
      out_clk2_neg (OUT_CLK2_NEG)
  {
    clk(TICK2_N);
	SC_CTHREAD( entry, clk.neg() );
  }

  void entry();
};

void
clk2_neg::entry()
{
  out_clk2_neg.write(1); cout << "Clk2 Neg 1\n";
  wait();
  out_clk2_neg.write(0); cout << "Clk2 Neg 0\n";
  wait();
}