/*
 * Celestial Fusion
 * Software for digitized engine data acquisition and processing
 *
 * Author: James McCrae
 */

#include <allegro.h>
#include <string.h>

#define RESOLUTIONX	640
#define RESOLUTIONY	400

#define	TACHBUSADDR	0
#define SPEEDBUSADDR	1

#define NUMINPUTSAMPLES	40
#define NUMINPUTSENSORS 2

/* Class declarations */
class Simulator {

  public:
  void update();
 
  private:
  int state;
  float rpm;
  float speed;
  int gear;
  long statetransitiontimestamp;

};

class Poll {

  public:
  void setTimestamp(long timestamp);
  void setReading(unsigned char reading);
  long getTimestamp();
  unsigned char getReading();

  private:
  long timestamp;
  unsigned char reading;

};

class ParallelPortIO {

  public:
  bool IOinit(int portaddress);
  void setSimulated(bool simulated);
  unsigned char pollSensor(int busaddress);
  void resetInputSequence();

  private:
  Poll inputsequence[NUMINPUTSENSORS][NUMINPUTSAMPLES];
  int beginindex;
  bool simulated;

};

class GUI {

};

/* Function declarations */
void alleg_init();

/* Main Method */
int main(int argc, char ** argv) {

  //set up environment
  alleg_init();
  
  //set up parallel port IO
  ParallelPortIO ppio;
  //input may be simulated - specified by -S command line parameter
  if (argc==2) {
    if (strcmp(argv[1],"-S")==0) {
      ppio.setSimulated(true);

      rest(5000);
    }
  }

  BITMAP *doublebuffer=create_bitmap(RESOLUTIONX,RESOLUTIONY);
  BITMAP *logo=load_pcx("upperlogo.pcx",NULL); 
  BITMAP *optionmenu=load_pcx("optionmenu.pcx",NULL);

  rest(500);
  draw_sprite(doublebuffer,logo,0,0);  
  draw_sprite(doublebuffer,optionmenu,50,80);
  draw_sprite(screen,doublebuffer,0,0);
    
  readkey();

  return 0;

}

/*
 * Sets up keyboard, timer and graphics mode.
 */
void alleg_init() {
  if (allegro_init()!=0) {
    exit(1);
  }
  install_timer();
  install_keyboard();

  set_gfx_mode(GFX_AUTODETECT,RESOLUTIONX,RESOLUTIONY,0,0); 
}

void ParallelPortIO::setSimulated(bool simulated) {

  this->simulated=simulated;

}