text: /*
   ESP8266WiFiScan.h - esp8266 Wifi support.
   Based on WiFi.h from Ardiono WiFi shield library.
   Copyright (c) 2011-2014 Arduino.  All right reserved.
   Modified by Ivan Grokhotkov, December 2014
   Reworked by Markus Sattler, December 2015
  
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
  
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.
  
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   */
  
  #ifndef ESP8266WIFISCAN_H_
  #define ESP8266WIFISCAN_H_
  
  #include "ESP8266WiFiType.h"
  #include "ESP8266WiFiGeneric.h"
  
  class ESP8266WiFiScanClass {
  
          // ----------------------------------------------------------------------------------------------
          // ----------------------------------------- scan function --------------------------------------
          // ----------------------------------------------------------------------------------------------
  
      public:
  
          int8_t scanNetworks(bool async = false, bool show_hidden = false, uint8 channel = 0, uint8* ssid = NULL);
          void scanNetworksAsync(std::function<void(int)> onComplete, bool show_hidden = false);
  
          int8_t scanComplete();
          void scanDelete();
  
          // scan result
          bool getNetworkInfo(uint8_t networkItem, String &ssid, uint8_t &encryptionType, int32_t &RSSI, uint8_t* &BSSID, int32_t &channel, bool &isHidden);
  
          String SSID(uint8_t networkItem);
          uint8_t encryptionType(uint8_t networkItem);
          int32_t RSSI(uint8_t networkItem);
          uint8_t * BSSID(uint8_t networkItem);
          String BSSIDstr(uint8_t networkItem);
          int32_t channel(uint8_t networkItem);
          bool isHidden(uint8_t networkItem);
  
      protected:
  
          static bool _scanAsync;
          static bool _scanStarted;
          static bool _scanComplete;
  
          static size_t _scanCount;
          static void* _scanResult;
  
          static std::function<void(int)> _onComplete;
  
          static void _scanDone(void* result, int status);
          static void * _getScanInfoByIndex(int i);
  
  };
  
  
  #endif /* ESP8266WIFISCAN_H_ */
  