20260117：支持以json格式向mqtt服务器发布数据。

STM32/Gateway_Node/Application/App_MQTT/App_MQTT.c

@@ -1,6 +1,6 @@
 #include "App_MQTT.h"
 
-bool bMqttNormalSubscribe(char *pcTopic, char *pcMessage)
+bool bMqttDefaultSubscribe(char *pcTopic, char *pcMessage)
 {
     char cCmd[256] = {0};
     snprintf(cCmd, sizeof(cCmd), "AT+MQTT_SUBSCRIBE=\"%s\",\"%s\"", pcTopic, pcMessage);

STM32/Gateway_Node/Application/App_MQTT/App_MQTT.h

@@ -14,7 +14,7 @@ typedef enum
 }eMqttMode_t;
 
 bool bMqttSubMsgFormat(eMqttMode_t ucMode, char *pcReceivedMsg, char *pcTopic, char *pcMessage);
-bool bMqttNormalSubscribe(char *pcTopic, char *pcMessage);
+bool bMqttDefaultSubscribe(char *pcTopic, char *pcMessage);
 bool bMqttNormalPublish(char *pcTopic, char *pcMessage);
 
 #endif /* __APP_MQTT_H__ */