* make mClient in mqtt private again (#145)

* v0.5.10

tools/esp8266/app.cpp

@@ -163,7 +163,7 @@ void app::setup(uint32_t timeout) {
             mqttPort = 1883;
 
         mMqtt.setup(mqttAddr, mqttTopic, mqttUser, mqttPwd, mqttDevName, mqttPort);
-        mMqtt.mClient->setCallback(std::bind(&app::cbMqtt, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
+        mMqtt.setCallback(std::bind(&app::cbMqtt, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
         mMqttTicker = 0;
 
 #ifdef __MQTT_TEST__

tools/esp8266/defines.h

@@ -21,7 +21,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       5
-#define VERSION_PATCH       9
+#define VERSION_PATCH       10
 
 
 //-------------------------------------

tools/esp8266/mqtt.h

@@ -12,8 +12,6 @@
 
 class mqtt {
     public:
-        PubSubClient *mClient;
-
         mqtt() {
             mClient     = new PubSubClient(mEspClient);
             mAddressSet = false;
@@ -42,8 +40,8 @@ class mqtt {
             mClient->setBufferSize(MQTT_MAX_PACKET_SIZE);
         }
 
-        void setCallback(void (*func)(const char* topic, byte* payload, unsigned int length)){
-            mClient->setCallback(func);
+        void setCallback(MQTT_CALLBACK_SIGNATURE){
+            mClient->setCallback(callback);
         }
 
         void sendMsg(const char *topic, const char *msg) {
@@ -131,6 +129,7 @@ class mqtt {
         }
 
         WiFiClient mEspClient;
+        PubSubClient *mClient;
         
         bool mAddressSet;
         uint16_t mPort;