ex_adder: driver.h

// File : driver.h
#include "systemc.h"

SC_MODULE(driver)
{
        sc_out<bool> d_a,d_b,d_cin;

        void prc_driver();

        SC_CTOR(driver) : d_a("d_a"),d_b("d_b"),d_cin("d_cin")
        {
                SC_THREAD(prc_driver);
        }
};