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<float>  in;
  sc_out<float> out;

  const int delay; //internal variable
  float *line; // delay line

  // Constructor 
  delay_line( sc_module_name NAME,
              sc_signal<float>& IN1,
              sc_signal<float>& OUT1,
              int DELAY=4 )
    : delay(DELAY)
  {
    in(IN1); 
        out(OUT1);
        line = new float[delay];
    for(int i=0; i<delay; i++) line[i] = 0.0;

    SC_METHOD( entry );
    sensitive << in;
  }

  // Process functionality in member function below
  void entry();
};