added waiting for frame>0 at startup, daemons can be started before bitstream load

src/autoexposure.c

@@ -135,9 +135,10 @@ int main (int argc, char *argv[]) {
 
   daemon_bit=strtol(argv[6], NULL, 10);
   if ((daemon_bit<0) || (daemon_bit>31)) {printf ("Invalid bit number %d (should be 0..31)\n", daemon_bit); exit (1);}
-  fprintf(stderr,"autoexposure started, daemon_bit=0x%x, debug=0x%x\n",daemon_bit,autoexposure_debug);
+  fprintf(stderr,"autoexposure started, port = %d, daemon_bit=0x%x, debug=0x%x\n",sensor_port, daemon_bit,autoexposure_debug);
 //  MDF1(fprintf(stderr,"\n"));
   if (initFilesMmap(sensor_port, sensor_subchannel)<0) exit (1); /// initialization errors
+  MDF0(fprintf(stderr,"autoexposure: drivers initialized\n"));
   if (autoexposure_debug <0) { /// tempoorary hack for testing
     GLOBALPARS_SNGL(G_DEBUG)=0;
     exit (0);

src/globalsinit.c

@@ -75,6 +75,13 @@ int initFilesMmap(int sensor_port, int sensor_subchannel) {
      ELP_FERR(fprintf(stderr, "Open failed: (%s)\r\n", framepars_driver_name));
      return -1;
   }
+  // Wait hardware to be initialized, so frame number >0 (otherwise histograms_cache will fail to open as it depends on number of subframes)
+  lseek(fd_fparmsall,1+LSEEK_FRAME_WAIT_ABS, SEEK_END); /// skip 3 frames (first got 0 pixels, 2- 0x3fff) - one extra, sometimes it is needed
+
+
+
+
+
 //  frameParsAll = (struct framepars_all_t *) mmap(0, sizeof (struct framepars_all_t) * HISTOGRAM_CACHE_NUMBER , PROT_READ | PROT_WRITE, MAP_SHARED, fd_fparmsall, 0);
   frameParsAll = (struct framepars_all_t *) mmap(0, sizeof (struct framepars_all_t), PROT_READ | PROT_WRITE, MAP_SHARED, fd_fparmsall, 0);