add overloaded constructors for optional apn, login and pass in NBConnectionHandler

Author: Alberto Iannaccone

src/Arduino_NBConnectionHandler.cpp

@@ -41,6 +41,16 @@ static const unsigned long NETWORK_CONNECTION_INTERVAL = 30000;
 /******************************************************************************
    CTOR/DTOR
  ******************************************************************************/
+NBConnectionHandler::NBConnectionHandler(const char *pin, const char *apn, const char *login, const char *pass, bool _keepAlive) :
+  login(login),
+  pass(pass) {
+    NBConnectionHandler(pin, apn, _keepAlive);
+}
+
+NBConnectionHandler::NBConnectionHandler(const char *pin, const char *apn, bool _keepAlive) :
+  apn(apn) {
+    NBConnectionHandler(pin, _keepAlive);
+}
 
 NBConnectionHandler::NBConnectionHandler(const char *pin, bool _keepAlive) :
   pin(pin),
@@ -113,7 +123,7 @@ void NBConnectionHandler::update() {
       case NetworkConnectionState::CONNECTING: {
           // NOTE: Blocking Call when 4th parameter == true
           NB_NetworkStatus_t networkStatus;
-          networkStatus = gprs.attachGPRS();
+          networkStatus = gprs.attachGPRS(apn, login, pass, true);
           Debug.print(DBG_DEBUG, "GPRS.attachGPRS(): %d", networkStatus);
           if (networkStatus == NB_NetworkStatus_t::ERROR) {
             // NO FURTHER ACTION WILL FOLLOW THIS

src/Arduino_NBConnectionHandler.h

@@ -33,6 +33,8 @@
 class NBConnectionHandler : public ConnectionHandler {
   public:
     NBConnectionHandler(const char *pin, const bool keepAlive = true);
+    NBConnectionHandler(const char *pin, const char *apn, const bool keepAlive = true);
+    NBConnectionHandler(const char *pin, const char *apn, const char *login, const char *pass, const bool keepAlive = true);
 
     virtual void init();
     virtual unsigned long getTime();