fix #16 correct connected()

Author: hathach

libraries/Bluefruit52Lib/src/BLECentral.cpp

@@ -176,7 +176,7 @@ err_t BLECentral::connect(const ble_gap_evt_adv_report_t* adv_report, uint16_t m
 
 bool BLECentral::connected(void)
 {
-  return (_conn_hdl != BLE_GATT_HANDLE_INVALID);
+  return (_conn_hdl != BLE_CONN_HANDLE_INVALID);
 }
 
 void BLECentral::setConnectCallback( connect_callback_t fp)
@@ -225,7 +225,7 @@ void BLECentral::_event_handler(ble_evt_t* evt)
       {
         if (Bluefruit._led_conn)  ledOff(LED_CONN);
 
-        _conn_hdl = BLE_GATT_HANDLE_INVALID;
+        _conn_hdl = BLE_CONN_HANDLE_INVALID;
 
         if ( _discconnect_cb ) _discconnect_cb(evt->evt.gap_evt.params.disconnected.reason);
 

libraries/Bluefruit52Lib/src/bluefruit.cpp

@@ -100,7 +100,7 @@ AdafruitBluefruit::AdafruitBluefruit(void)
   strcpy(_name, CFG_DEFAULT_NAME);
   _txbuf_sem = NULL;
 
-  _conn_hdl  = BLE_GATT_HANDLE_INVALID;
+  _conn_hdl  = BLE_CONN_HANDLE_INVALID;
   _bonded    = false;
 
   _auth_type = BLE_GAP_AUTH_KEY_TYPE_NONE;
@@ -645,7 +645,7 @@ void AdafruitBluefruit::_poll(void)
                 _saveBondedCCCD();
               }
 
-              _conn_hdl = BLE_GATT_HANDLE_INVALID;
+              _conn_hdl = BLE_CONN_HANDLE_INVALID;
               _bonded   = false;
               varclr(&_peer_addr);