src/systemc/tests/systemc/misc/user_guide/newsched/test3/test3.cpp

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

  test3.cpp -- 

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

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

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

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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/*
  Corner case testing for new scheduler.
  Case 3: Checking sensitive_pos() and sensitive_neg() methods
*/

#include "systemc.h"

SC_MODULE( asyncproc )
{
  SC_HAS_PROCESS( asyncproc );

  sc_in<bool> clock;

  asyncproc(sc_module_name NAME,
	    sc_signal_in_if<bool>& CLOCK)
  {
    clock(CLOCK);
    SC_THREAD( entry );
    sensitive << clock.pos();
  }

  void entry()
  {
    wait();
    while (true) {
      if (clock.posedge()) {
	cout << "AsyncProc: Posedge\n";
      }
      else {
	cout << "AsyncProc: ERROR" << endl;
      }
      wait();
    }
  }
};

SC_MODULE( asyncblock )
{
  SC_HAS_PROCESS( asyncblock );

  sc_in<bool> clock;

  asyncblock(sc_module_name NAME,
	     sc_signal_in_if<bool>& CLOCK)
  {
    clock(CLOCK);
    SC_METHOD( entry );
    sensitive << clock.neg();
  }

  void entry()
  {
    if (clock.posedge()) {
      cout << "AsyncBlock: ERROR\n";
    }
    else {
      cout << "AsyncBlock: Negedge" << endl;
    }
  }
};
    

int
sc_main(int ac, char *av[])
{
  sc_clock clock("Clock", 20, SC_NS, 0.5);

  asyncproc P2("P2", clock);
  asyncblock P3("P3", clock);

  sc_start(160, SC_NS);
  return 0;

}