#include <stdio.h>

main () {

  int i,j,nstep,num_link,n, toLink, nottoLink;
  char outname[100], inname[100];
  char line[100];
  char dc[20];
  double min, max, stepsize,cper, freq, Twave, Tdc, foo;
  FILE *infile, *outfile;

  //cper=208e-9;
  cper=9.77e-9;
  Twave=1536*cper; //80 is the number of voltage values
  Tdc=cper;// 8 is the number of voltage values again.

  nstep=200;
  //nstep=500;
  min=50000;
  max=60000;

  sprintf (outname, "seq.txt");
  sprintf (inname, "wave.wav");
  sprintf (dc, "10");

  if (( outfile=fopen (outname, "w" )) == NULL ) {
    printf("error writing to: %s\n", outname);
    return(-1);
  }

 /*  if (( infile=fopen (inname, "r" )) == NULL ) { */
/*     printf("error reading from: %s\n", inname); */
/*     return(-1); */
/*   } */
  
  fprintf(outfile,"#ISETUP,my.set;C1I,ON;C1O,-.48V;LOAD,friday.wav;GO;");
  fprintf(outfile,"TRIGGER_MODE,RECURRENT;CPER,%.3e;",cper);

  stepsize=(max-min)/nstep;
  printf("stepsize: %f\n", stepsize);
  freq=min;
  for(i=0; i<nstep; i++) {
    freq=freq+stepsize;
    foo=(1.0-freq*Twave)/(freq*Tdc);
    num_link=(foo+0.5)/1.0;
    printf("freq: %.1f  Twave=%e  Tdc=%e N=%d\n", freq, Twave, Tdc, num_link);
    fprintf(outfile, "TRIGGER_DELAY,+%d;",num_link);
    fprintf(outfile, "GO;");
    for(n=0;n<10;n++) {
      fprintf(outfile,"DIR;");
    }
  }
  fprintf(outfile,"END;");
  fclose(outfile);
}