implemented reset with excludes

src/modules/systemlib/param/param.c

@@ -488,6 +488,31 @@ param_reset_all(void)
 	param_notify_changes();
 }
 
+void
+param_reset_excludes(const char* excludes[], int num_excludes)
+{
+	param_lock();
+
+	param_t	param;
+
+	for (param = 0; handle_in_range(param); param++) {
+		const char* name = param_name(param);
+
+		for (int index = 0, len = strlen(excludes[index]); index < num_excludes; index ++) {
+			if((excludes[index][len - 1] == '*'
+				&& strncmp(name, excludes[index], strlen(excludes[index]))) == 0
+				|| strcmp(name, excludes[index]) == 0) {
+
+				param_reset(param);
+			}
+		}
+	}
+
+	param_unlock();
+
+	param_notify_changes();
+}
+
 static const char *param_default_file = "/eeprom/parameters";
 static char *param_user_file = NULL;
 

src/modules/systemlib/param/param.h

@@ -189,6 +189,18 @@ __EXPORT int		param_reset(param_t param);
  */
 __EXPORT void		param_reset_all(void);
 
+
+/**
+ * Reset all parameters to their default values except for excluded parameters.
+ *
+ * This function also releases the storage used by struct parameters.
+ *
+ * @param excludes			Array of param names to exclude from resetting. Use a wildcard
+ *							at the end to exclude parameters with a certain prefix.
+ * @param num_excludes		The number of excludes provided.
+ */
+ __EXPORT void		param_reset_excludes(const char* excludes[], int num_excludes);
+
 /**
  * Export changed parameters to a file.
  *