xref: /gem5/src/systemc/tests/systemc/misc/stars/star114104/test.cpp

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

  test.cpp --

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

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

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

  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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// test of sc_signal<sc_logic> posedge and negedge

#include "systemc.h"

SC_MODULE( pro )
{
    sc_out<sc_logic> out;

    void main_action()
    {
        int i = 0;
        while( true ) {
            sc_logic tmp( i );
            out.write( tmp );
            cout << sc_time_stamp() << ": " << tmp.to_char() << endl;
            wait( 3, SC_NS );
            i = (i + 1) % 4;
        }
    }

    SC_CTOR( pro )
    {
        SC_THREAD( main_action );
    }
};

SC_MODULE( con )
{
    sc_in<sc_logic> in;

    void pos_action()
    {
        cout << sc_time_stamp() << ": posedge" << endl;
    }

    void neg_action()
    {
        cout << sc_time_stamp() << ": negedge" << endl;
    }

    SC_CTOR( con )
    {
        SC_METHOD( pos_action );
        sensitive << in.pos();
        dont_initialize();
        SC_METHOD( neg_action );
        sensitive << in.neg();
        dont_initialize();
    }
};

int
sc_main( int, char*[] )
{
    sc_signal<sc_logic> sig;
    pro p( "p" );
    con c( "c" );
    p.out( sig );
    c.in( sig );
    sc_start( 100, SC_NS );
    return 0;
}