Skip local up status and add notice to the header

Author: Jarno Lamsa

ESP8266/ESP8266.cpp

@@ -576,16 +576,15 @@ void ESP8266::_connection_status_handler()
 {
     char status[13];
     if (_parser.recv("%12[^\"]\n", status)) {
-        if (strcmp(status, "CONNECTED\n") == 0)
-            _connection_status = NSAPI_STATUS_LOCAL_UP;
-        else if (strcmp(status, "GOT IP\n") == 0)
+        if (strcmp(status, "GOT IP\n") == 0)
             _connection_status = NSAPI_STATUS_GLOBAL_UP;
-        else //DISCONNECTED or unknown
+        else if (strcmp(status, "DISCONNECT\n") == 0)
             _connection_status = NSAPI_STATUS_DISCONNECTED;
+        else
+            return;
 
         if(_connection_status_cb)
             _connection_status_cb(NSAPI_EVENT_CONNECTION_STATUS_CHANGE, _connection_status);
-
     }
 }
 

ESP8266Interface.h

@@ -187,6 +187,10 @@ class ESP8266Interface : public NetworkStack, public WiFiInterface
      *  on the network. The parameters on the callback are the event type and
      *  event-type dependent reason parameter.
      *
+     *  In ESP8266 the callback will be called when processing OOB-messages via
+     *  AT-parser. Do NOT call any ESP8266Interface -functions or do extensive
+     *  processing in the callback.
+     *
      *  @param status_cb The callback for status changes
      */
     virtual void attach(mbed::Callback<void(nsapi_event_t, intptr_t)> status_cb);