修改了Web后台的部分界面，增加了HAmqtt中的总电量传感器，后台新增mqtt上报频率设置

mico-os/libraries/utilities/json_c/json_util.h

@@ -0,0 +1,39 @@
+/*
+ * $Id: json_util.h,v 1.4 2006/01/30 23:07:57 mclark Exp $
+ *
+ * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
+ * Michael Clark <michael@metaparadigm.com>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See COPYING for details.
+ *
+ */
+
+#ifndef _json_util_h_
+#define _json_util_h_
+
+#include "json_object.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define JSON_FILE_BUF_SIZE 4096
+
+/* utility functions */
+extern struct json_object* json_object_from_file(const char *filename);
+extern int json_object_to_file(char *filename, struct json_object *obj);
+extern int json_parse_int64(const char *buf, int64_t *retval);
+
+/**
+ * Return a string describing the type of the object.
+ * e.g. "int", or "object", etc...
+ */
+extern const char *json_type_to_name(enum json_type o_type);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+