ソフトウェア開発・販売 「エム・エス ファクトリー」

boolean connectWiFiMulti() {
  int n;
  int count = 0;
  int retry = 0;

  DBG_PRINTLN("WiFi Multi connecting...");
  // 使えるアクセスポイントに繋ぐ
  wifiMulti.addAP("SSID1", "password");
  wifiMulti.addAP("SSID2", "password");
  // WiFi接続
  while ((n = wifiMulti.run()) != WL_CONNECTED) {
    switch (n) {
      case WL_NO_SHIELD:       DBG_PRINTLN("  stat:NO SHIELD");       break;
      case WL_IDLE_STATUS:     DBG_PRINTLN("  stat:IDLE STATUS");     break;
      case WL_NO_SSID_AVAIL:   DBG_PRINTLN("  stat:NO SSID AVAIL");   break;
      case WL_SCAN_COMPLETED:  DBG_PRINTLN("  stat:SCAN COMPLETED");  break;
      case WL_CONNECTED:       DBG_PRINTLN("  stat:CONNECTED");       break;
      case WL_CONNECT_FAILED:  DBG_PRINTLN("  stat:CONNECT FAILED");  break;
      case WL_CONNECTION_LOST: DBG_PRINTLN("  stat:CONNECTION LOST"); break;
      case WL_DISCONNECTED:    DBG_PRINTLN("  stat:DISCONNECTED");    break;
    }
    delay(500);
    if (count++ > 60) {
      // タイムアウト処理
      DBG_PRINTLN(" time out");
      DBG_PRINTLN();
      return false;
    }
  }
  DBG_PRINTLN();
  DBG_PRINTLN("WiFi connected");
  DBG_PRINT(" SSID:");
  DBG_PRINTLN(WiFi.SSID());
  DBG_PRINT("   IP:");
  DBG_PRINTLN(WiFi.localIP());
  DBG_PRINTLN();
  DBG_PRINTLN("-- WiFi Diag --");
  WiFi.printDiag(Serial);
  DBG_PRINTLN();

  // NTP 時刻合わせ
  adjustNTPTime();
  
  return true;
}