Commit 3e9ad98f authored by Andrey Filippov's avatar Andrey Filippov
Browse files

debugging FPGA code fro the histograms

parent 9e68784e

src/pnghist.c

+77 −32
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ 


#define QRY_MAXPARAMS 64



//#define THIS_DEBUG

#define THIS_DEBUG

// lighttpd requires the following setting to enable logging of the cgi program errors:

// ## where cgi stderr output is redirected

// server.breakagelog          = "/www/logs/lighttpd_stderr.log"
@@ -106,6 +106,8 @@ int main(int argc, char *argv[]) 
  int lastmiddle_i,newmiddle_i;

  int hist_index;

  int before = 1; // by default - previous frame

  // bitmap: +1 - low bandwidth output, +2 - raw histograms used for PNG, +4 - processed histograms, +8 - all FPGA histograms

  int debug_level = 0;

  const char colors_calc[]={  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,0xa,0xb,0xc,0xd,0xe,0xf,

                      0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,0xf,

                        6,  7,  6,  7,  6,  7,  6,  7,0xe,0xf,0xe,0xf,0xe,0xf,0xe,0xf,
@@ -161,6 +163,9 @@ int main(int argc, char *argv[]) 
  if((v = paramValue(gparams, "scale"))       != NULL) dscale=strtod(v,NULL);

  if((v = paramValue(gparams, "disrq"))       != NULL) request_enable=strtol(v, NULL, 10)?0:1;

  if((v = paramValue(gparams, "before"))      != NULL) before=strtol(v, NULL, 10);

  //   int debug_fpga = 0;

  if((v = paramValue(gparams, "debug"))      != NULL)  debug_level=strtol(v, NULL, 10);



//  before

//  int request_enable=1; /// enable requesting histogram calculation for the specified frame (0 - use/wait what available)
@@ -189,10 +194,10 @@ int main(int argc, char *argv[]) 
      fflush(stdout);

      return -1;

  }

#ifdef THIS_DEBUG

  if (debug_level &1) {

   fprintf (stderr,"LSEEK_HIST_SET_CHN port = %d chn = %d - > 0x%x\n",sensor_port,subchannel, total_hist_entries);

   fflush(stderr);

#endif

  }

  // now try to mmap

  histogram_cache = (struct histogram_stuct_t *) mmap(0, sizeof (struct histogram_stuct_t) * total_hist_entries , PROT_READ, MAP_SHARED, fd_histogram_cache, 0);

  if((int)histogram_cache == -1) {
@@ -230,10 +235,51 @@ int main(int argc, char *argv[]) 
     return -1;

  }



#ifdef THIS_DEBUG

  if (debug_level &1) {

	  fprintf (stderr,"hist_index =  0x%x\n",hist_index);

	  fflush(stderr);

#endif

  }

  if (debug_level & 8) { // with SEEK_END twice (for first 8 and last 8) copy FPGA data and print for the selected sensor port/channel

// disable histograms DMA

//	  lseek(fd_histogram_cache, LSEEK_HIST_DIS, SEEK_END);

	  for (k = 0; k < (PARS_FRAMES/HISTOGRAM_CACHE_NUMBER); k++){

//	  for (k = 0; k < 1; k++){

		  j = -32 + (k << 4) + (sensor_port << 2) +  subchannel;

		  // copying half (16/2 = 8) frames from DMA memory to histogram cache

		  lseek(fd_histogram_cache, j, SEEK_END);          /// wait for all histograms, not just Y (G1)

		  fprintf (stderr,"\nlseek request =  0x%x\n",j);

		  for (j = 0; j < HISTOGRAM_CACHE_NUMBER; j++){

			  fprintf (stderr,"\n\nhist_index= %d (%d)",j,k);// , FIRST PASS\n",j,k);

			  memcpy (hists, histogram_cache[j].hist, HIST_SIZE);

			  for (i=0;i<1024;i++) {

				  if ((i & 0x0ff)==0) fprintf (stderr,"\n");

				  if ((i &  0x0f)==0) fprintf (stderr,"\n0x%05x:",i+1024*j + 8192*k);

				  fprintf (stderr," %08x",hists[i]);

			  }

		  }

	  }

/*

	  for (k = 0; k < (PARS_FRAMES/HISTOGRAM_CACHE_NUMBER); k++){

		  j = -32 + (k << 4) + (sensor_port << 2) +  subchannel;

		  // copying half (16/2 = 8) frames from DMA memory to histogram cache

		  lseek(fd_histogram_cache, j, SEEK_END);          /// wait for all histograms, not just Y (G1)

		  for (j = 0; j < HISTOGRAM_CACHE_NUMBER; j++){

			  fprintf (stderr,"\nhist_index= %d (%d), SECOND PASS\n",j,k);

			  memcpy (hists, histogram_cache[j].hist, HIST_SIZE);

			  for (i=0;i<1024;i++) {

				  if ((i & 0x0ff)==0) fprintf (stderr,"\n");

				  if ((i &  0x0f)==0) fprintf (stderr,"\n0x%05x:",i+1024*j + 8192*k);

				  fprintf (stderr," %08x",hists[i]);

			  }

		  }

	  }

*/



	  // re-enable histograms DMA

//	  lseek(fd_histogram_cache, LSEEK_HIST_EN, SEEK_END);          /// wait for all histograms, not just Y (G1)

	  fprintf (stderr,"\n\n\n");

	  fflush(stderr);

  }



  /// Ignore missing histograms here

//  ww=(ww*autoexp.width)/100;
@@ -243,7 +289,7 @@ int main(int argc, char *argv[]) 
  memcpy (hists,histogram_cache[hist_index].hist,HIST_SIZE);

  close (fd_histogram_cache);

  coeff=dcoeff*65536;

#ifdef THIS_DEBUG

  if (debug_level & 2) {

   for (i=0;i<1024;i++) {

     if ((i & 0x0ff)==0) fprintf (stderr,"\n");

     if ((i &  0x0f)==0) fprintf (stderr,"\n0x%03x:",i);
@@ -251,8 +297,7 @@ int main(int argc, char *argv[]) 
   }

   fprintf (stderr,"\n\n\n");

   fflush(stderr);

#endif



  }

  if ((mode & (HPNG_FILL_ZEROS | HPNG_LIN_INTERP)) | (rav>1)) { // spread between zeros - needed at high digital gains (near black with low gammas)

    for (j=0;j<4;j++)  if (colors_calc[colors] & (1<<j)) {

      lastmiddle_i=255;
@@ -304,7 +349,7 @@ int main(int argc, char *argv[]) 
  }

  fprintf(stdout, "Pragma: no-cache\n");

  fprintf(stdout, "Content-Type: image/png\n\n");

#ifdef THIS_DEBUG

  if (debug_level & 4) {

	  //   for (i=0;i<1536;i++) {

	  for (i=0;i<1024;i++) {

		  if ((i & 0x0ff)==0) fprintf (stderr,"\n");
@@ -312,7 +357,7 @@ int main(int argc, char *argv[]) 
		  fprintf (stderr," %05x",hists[i]);

	  }

	  fprintf (stderr,"\n\n\n");

#endif

  }

  write_png(png_height, hists, mode, colors);

  fflush(stdout);

  return 0;