debugging exif, moved here other gps/imu related scripts

src/Makefile

-
-WWW_PAGES = /www/pages
+#TODO: pass $(LN) from bitbake 
+LN = ln
+WWW_PAGES = /www/pages/
 BINDIR    = /usr/bin/
+VARHTML   = /var/volatile/html/
+CONFDIR   = /etc/elphel393/
 INSTMODE  = 0755
 INSTDOCS =  0644
 INSTOWNER = root
@@ -9,7 +12,8 @@ INSTGROUP = root
 PROGS     = nmea2exif log_imu
 SRCS =      nmea2exif.c log_imu.c
 OBJS =      nmea2exif.o
-PHPSCRIPTS= logger_launcher.php imu_setup.php start_gps_compass.php
+PHPSCRIPTS= start_gps_compass.php
+PHPWEB=     logger_launcher.php imu_setup.php
 
 CFLAGS   += -Wall -I$(STAGING_DIR_HOST)/usr/include-uapi
 LDLIBS   += -lm
@@ -27,7 +31,13 @@ install:	$(PROGS)
 	$(INSTALL) -d $(DESTDIR)$(BINDIR)
 	$(INSTALL) -d $(DESTDIR)$(WWW_PAGES)
 	$(INSTALL) -m $(INSTMODE) -o $(INSTOWNER) -g $(INSTGROUP) $(PROGS) $(DESTDIR)$(BINDIR)
-	$(INSTALL) -o $(INSTOWNER) -m $(INSTDOCS) $(PHPSCRIPTS)  $(DESTDIR)$(WWW_PAGES)
+	$(INSTALL) -m $(INSTMODE) -o $(INSTOWNER) -g $(INSTGROUP) $(PHPSCRIPTS) $(DESTDIR)$(BINDIR)
+	$(INSTALL) -o $(INSTOWNER) -m $(INSTDOCS) $(PHPWEB)  $(DESTDIR)$(WWW_PAGES)
+	$(INSTALL) $(OWN)-d $(DESTDIR)$(VARHTML)
+	$(LN) -sf $(VARHTML) $(DESTDIR)$(WWW_PAGES)var
+	$(INSTALL) $(OWN)-d $(DESTDIR)$(CONFDIR)
+	$(LN) -sf $(CONFDIR) $(DESTDIR)$(WWW_PAGES)etc
+	
 
 clean:
 	rm -rf $(PROGS) *.o *~

src/nmea2exif.c

@@ -49,8 +49,8 @@
 
 //#define EXIF_DEV "/dev/exif_meta"
 #define PROGRAM_SERIAL 0
-//#define D(x)
-#define D(x) x
+#define D(x)
+//#define D(x) x
 
 // TODO: use only existing sensor channels?
 const char *exif_paths[SENSOR_PORTS] = {
@@ -345,7 +345,37 @@ void process_GPGGA(char*response, struct meta_GPSInfo_t *meta) {
 /// Skip 14   = Diff. reference station ID#
 }
 
-
+void debug_meta(struct meta_GPSInfo_t *meta)
+{
+    unsigned char * buf = (unsigned char *) meta;
+    int i;
+    printf("GPSLatitudeRef         %c)\n",   meta->GPSLatitudeRef);
+    printf("GPSLatitude_deg_nom    0x%x)\n",__be32_to_cpu(meta->GPSLatitude_deg_nom));
+    printf("GPSLatitude_deg_denom  0x%x)\n",__be32_to_cpu(meta->GPSLatitude_deg_denom));
+    printf("GPSLatitude_min_nom    0x%x)\n",__be32_to_cpu(meta->GPSLatitude_min_nom));
+    printf("GPSLatitude_min_denom  0x%x)\n",__be32_to_cpu(meta->GPSLatitude_min_denom));
+    printf("GPSLongitudeRef        %c)\n",   meta->GPSLongitudeRef);
+    printf("GPSLongitude_deg_nom   0x%x)\n",__be32_to_cpu(meta->GPSLongitude_deg_nom));
+    printf("GPSLongitude_deg_denom 0x%x)\n",__be32_to_cpu(meta->GPSLongitude_deg_denom));
+    printf("GPSLongitude_min_nom   0x%x)\n",__be32_to_cpu(meta->GPSLongitude_min_nom));
+    printf("GPSLongitude_min_denom 0x%x)\n",__be32_to_cpu(meta->GPSLongitude_min_denom));
+    printf("GPSAltitudeRef         %c)\n",   meta->GPSAltitudeRef);
+    printf("GPSAltitude_nom        0x%x)\n",__be32_to_cpu(meta->GPSAltitude_nom));
+    printf("GPSAltitude_denom      0x%x)\n",__be32_to_cpu(meta->GPSAltitude_denom));
+    printf("GPSTimeStamp_hrs_nom   0x%x)\n",__be32_to_cpu(meta->GPSTimeStamp_hrs_nom));
+    printf("GPSTimeStamp_hrs_denom 0x%x)\n",__be32_to_cpu(meta->GPSTimeStamp_hrs_denom));
+    printf("GPSTimeStamp_min_nom   0x%x)\n",__be32_to_cpu(meta->GPSTimeStamp_min_nom));
+    printf("GPSTimeStamp_min_denom 0x%x)\n",__be32_to_cpu(meta->GPSTimeStamp_min_denom));
+    printf("GPSTimeStamp_sec_nom   0x%x)\n",__be32_to_cpu(meta->GPSTimeStamp_sec_nom));
+    printf("GPSTimeStamp_sec_denom 0x%x)\n",__be32_to_cpu(meta->GPSTimeStamp_sec_denom));
+    printf("GPSDateStamp           %s)\n",   meta->GPSDateStamp);
+    printf("GPSMeasureMode         %c)",     meta->GPSMeasureMode);
+    for (i = 0; i < sizeof (struct meta_GPSInfo_t); i++){
+        if ((i & 0xf) == 0) printf("\n%02x:",i);
+        printf(" %02x",(int) buf[i]);
+    }
+    printf("\n");
+}
 
 
 
@@ -373,9 +403,9 @@ int main(int argc, char *argv[]) {
            fd_exif[chn] = open(exif_paths[chn], O_RDWR);
            if (fd_exif[chn] < 0) {
                fprintf(stderr,"Can not open device file %s\n",exif_paths[chn]);
-           }
            } else good_chns++;
        }
+   }
    if (!good_chns){
        fprintf(stderr,"Could not open any of EXIF channel device files, aborting\n");
        exit (-1);
@@ -434,14 +464,19 @@ int main(int argc, char *argv[]) {
 //               D(printf ("Got GPRMC\n"));
                D(printf ("Got NMEA string >>%s<<\n",response+1));
                process_GPRMC(response, &meta);
+               D(printf ("sizeof(meta)=0x%x\n",sizeof(meta)));
+               D(debug_meta(&meta));
                for (chn =0; chn < SENSOR_PORTS; chn++) if (fd_exif[chn]>=0){
                    lseek (fd_exif[chn],Exif_GPSInfo_GPSLatitudeRef,SEEK_END); /// position file pointer at the beginning of the data field for GPSLatitudeRef
+                   D(printf ("filepos(%d)=0x%x\n",chn, (int)lseek (fd_exif[chn],0,SEEK_CUR)));
                    write (fd_exif[chn], &meta, sizeof(meta));
                }
              } else if (!memcmp(response+1,"GPGGA", sizeof("GPGGA")-1)) {
 //               D(printf ("Got GPRMC\n"));
                D(printf ("Got NMEA string >>%s<<\n",response+1));
                process_GPGGA(response, &meta);
+               D(printf ("sizeof(meta)=0x%x\n",sizeof(meta)));
+               D(debug_meta(&meta));
                for (chn =0; chn < SENSOR_PORTS; chn++) if (fd_exif[chn]>=0){
                    lseek (fd_exif[chn],Exif_GPSInfo_GPSLatitudeRef,SEEK_END); /// position file pointer at the beginning of the data field for GPSLatitudeRef
                    write (fd_exif[chn], &meta, sizeof(meta));