delay_line.h

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/*****************************************************************************
 
  delay_line.h -- 
 
  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
 
 *****************************************************************************/
 
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/* Filename delay_line.h */
/* This is the interface file for synchronous process `delay_line' */
 
#include "systemc.h"
 
SC_MODULE( delay_line )
{
  SC_HAS_PROCESS( delay_line );
 
  sc_in_clk clk;
 
  sc_in<float>  in;
  sc_out<float> out;
 
  const int delay; //internal variable
  float *line; // delay line
 
  // Constructor 
  delay_line( sc_module_name NAME,
              sc_clock& CLK,
              sc_signal<float>& IN1,
              sc_signal<float>& OUT1,
              int DELAY=4 ) : delay(DELAY)
  {
    clk(CLK);
    in(IN1); out(OUT1); 
        SC_CTHREAD( entry, clk.pos() );
    line = new float[delay];
  }
 
  // Process functionality in member function below
  void entry();
};