src/systemc/tests/systemc/tracing/wif_trace/mixed/mixed.cpp

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  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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/*****************************************************************************

  mixed.cpp -- 

  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:

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#include "systemc.h"
#include "isaac.h"

QTIsaac<8> rng;

SC_MODULE( adder )
{
    SC_HAS_PROCESS( adder );

    sc_in<bool> clk;
    sc_in<int>  a;
    sc_in<int>  b;
    sc_out<int> sum;

    adder( sc_module_name NAME,
           sc_clock& CLK,
           sc_signal<int>& A,
           sc_signal<int>& B,
           sc_signal<int>& SUM )
        : a(A), b(B), sum(SUM)
    {
        clk(CLK);
		SC_METHOD( entry );
        sensitive << clk;
        sensitive << a;
        sensitive << b;
    }
    void entry();
};

void
adder::entry()
{
    if (clk.posedge()) {
        sum = a + b;
    }
}

SC_MODULE( stim )
{
    SC_HAS_PROCESS( stim );

    sc_in_clk   clk;
    sc_out<int> a;
    sc_out<int> b;

    stim( sc_module_name NAME,
          sc_clock& CLK,
          sc_signal<int>& A,
          sc_signal<int>& B )
        : a(A), b(B)
    {
        clk(CLK);
		SC_CTHREAD( entry, clk.pos() );
    }
    void entry();
};

void
stim::entry()
{
    while (true) {
        a = rng.rand() % 32768;
        b = rng.rand() % 32768;
        wait();
    }
}

int
sc_main( int argc, char* argv[] )
{
    sc_signal<int> a("a");
    sc_signal<int> b("b");
    sc_signal<int> sum("sum");
    sc_clock clk("clk", 20, SC_NS);

    a = 0;
    b = 0;
    sum = 0;

    adder add("add", clk, a, b, sum);
    stim  sti("sti", clk, a, b);

    sc_trace_file* tf = sc_create_wif_trace_file("mixed");
    sc_trace(tf, a, "a");
    sc_trace(tf, b, "b");
    sc_trace(tf, sum, "sum");
    sc_trace(tf, clk, "clk");
    sc_start(1000, SC_NS);
    sc_close_wif_trace_file( tf );
    return 0;
}