pulse.h

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/*****************************************************************************
 
  pulse.h -- Definition of the pulse generator.
 
  Original Author: Ali Dasdan, Synopsys, Inc.
 
 *****************************************************************************/
 
/*****************************************************************************
 
  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
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#ifndef PULSE_H
#define PULSE_H
 
SC_MODULE( gen_pulse_mod )
{
  // Ports:
  sc_in_clk    clk;          // Clock for the pulse generator.
  sc_in<bool>  start;        // Becomes true if the car's started.
  sc_in<int>   speed;        // Speed of the car set by the driver.
  sc_out<bool> speed_pulse;  // Pulses for the speedometer.
  sc_out<bool> dist_pulse;   // Pulses for the odometers.
 
  // Find the pulse period to produce speed.
  int find_period(int speed);
 
  // Generate pulses for speedometer and odometers.
  void gen_pulse_proc();
 
  SC_CTOR( gen_pulse_mod )
  {
    SC_CTHREAD( gen_pulse_proc, clk.pos() );
  }
};
 
#endif