Added compare inside with outside sensors; webserver template files

RaspberryPi/configreader.c

@@ -6,6 +6,7 @@
 
 config_t cfg;
 const config_setting_t *pins;
+const config_setting_t *compareIDs;
 
 void cfginit(void) {
     
@@ -74,3 +75,19 @@ int cfgreadsensornodes(sensornode *nodes, int nodecount) {
     }
     return 0;
 }
+
+int cfgreadcompareidamount(void) {
+    compareIDs = config_lookup(&cfg, "compare_ids");
+    return config_setting_length(compareIDs);
+}
+
+int cfgreadcompareidvalue(int element) {
+    compareIDs = config_lookup(&cfg, "compare_ids");
+    int length = config_setting_length(compareIDs);
+    if (element < length) {
+        return config_setting_get_int_elem(compareIDs, element);
+    } else {
+        printf("No compare configuration item found.\n");
+        return -1;
+    }
+}