src/systemc/tests/systemc/misc/user_guide/chpt3.2/fsmr.h

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/*****************************************************************************

  fsmr.h -- 

  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15

 *****************************************************************************/

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  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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/* Header file for FSM recognizer */

#include "systemc.h"

SC_MODULE( fsm_recognizer )
{
  SC_HAS_PROCESS( fsm_recognizer );

  sc_in_clk clk;

  // The input signals
  const sc_signal<char>& input_char; // The input character
  const sc_signal<bool>& data_ready; // The data ready signal
  // The output signals
  sc_signal<bool>& found;            // The indicator that sequence found

  // The internal variables
  char pattern[4];   // This string will hold the pattern to match against
  
  // The constructor
  fsm_recognizer(sc_module_name NAME,
		 sc_clock& TICK,
		 const sc_signal<char>& INPUT_CHAR,
		 const sc_signal<bool>& DATA_READY,
		 sc_signal<bool>& FOUND)
    : input_char(INPUT_CHAR), data_ready(DATA_READY), 
      found(FOUND) {
        clk(TICK);
		SC_CTHREAD( entry, clk.pos() );
	pattern[0] = 'S';
	pattern[1] = 'c';
	pattern[2] = 'e';
	pattern[3] = 'n';
  }

  // The functionality of the process
  void entry();
};