tb_pll_top1.cpp

新型的SystemC-AMS语言

#include "systemc-ams.h"
#include "../phc/phc.h"
#include "../lp1/lp1.h"
#include "../vco/vco.h"

SCA_SDF_MODULE(src_sin) {
   sca_sdf_out<double>  out;
   
   double ampl, freq;
   
   void sig_proc() {
      out.write(ampl*sin(2*M_PI*freq*sc_time_stamp().to_seconds()));
   }
   
   SCA_CTOR(src_sin) {} 
};

SCA_SDF_MODULE(trace)
{
   sca_sdf_in<double> in;
   ofstream output;

   void sig_proc() {
      output << sc_time_stamp().to_seconds() << "\t " << in.read() << endl;
   }

   SCA_CTOR(trace) {
      output.open(name(), ios::out);
   }
};

int sc_main(int argc, char* argv[])
{
   sca_sdf_signal<double>  ref, pco, lpo, vcoo;
   
   sc_set_time_resolution(0.001, SC_US);

   phc i_phc("phc");
      i_phc.in1(ref);
      i_phc.in2(vcoo);
      i_phc.out(pco);
      i_phc.kpc = 3.72;
      
   lp1 i_lp1("lp1");
      i_lp1.in(pco);
      i_lp1.out(lpo);
      i_lp1.fp = 112e3;
      i_lp1.h0 = 1.0;
         
   vco i_vco("vco");
      i_vco.in(lpo);
      i_vco.out(vcoo);
      i_vco.out.set_delay(1);  // feedback loop!
      i_vco.gain = 1.0;
      i_vco.kvco = 3e4;
      i_vco.fc = 7e6;
      i_vco.vfc = 0.0;

   src_sin src_ref("src_ref");
      src_ref.out(ref);
      src_ref.out.set_T(sc_time(0.001, SC_US));
      src_ref.ampl = 1.0;
      src_ref.freq = 7e6;
      
   trace tr_ref("tr_ref1");
      tr_ref.in(ref);
      
   trace tr_pco("tr_pco1");
      tr_pco.in(pco);
      
   trace tr_lpo("tr_lpo1");
      tr_lpo.in(lpo);
      
   trace tr_vcoo("tr_vcoo1");
      tr_vcoo.in(vcoo);
      
   sc_start(120, SC_US);

   system("PAUSE");
   return 0;
}