Update IDF to 65acd99 (#358)

* Update IDF to 65acd99

* Update platformio and arduino build paths and libs

* Update esptool binaries

tools/sdk/include/bluedroid/esp_gap_bt_api.h

@@ -0,0 +1,52 @@
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef __ESP_GAP_BT_API_H__
+#define __ESP_GAP_BT_API_H__
+
+#include <stdint.h>
+#include "esp_err.h"
+#include "esp_bt_defs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/// Discoverability and Connectability mode
+typedef enum {
+    ESP_BT_SCAN_MODE_NONE = 0,                      /*!< Neither discoverable nor connectable */
+    ESP_BT_SCAN_MODE_CONNECTABLE,                   /*!< Connectable but not discoverable */
+    ESP_BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE       /*!< both discoverable and connectaable */
+} esp_bt_scan_mode_t;
+
+/**
+ * @brief           Set discoverability and connectability mode for legacy bluetooth. This function should
+ *                  be called after esp_bluedroid_enable() completes successfully
+ *
+ * @param[in]       mode : one of the enums of bt_scan_mode_t
+ *
+ * @return
+ *                  - ESP_OK : Succeed
+ *                  - ESP_ERR_INVALID_ARG: if argument invalid
+ *                  - ESP_INVALID_STATE: if bluetooth stack is not yet enabled
+ *                  - ESP_FAIL: others
+ */
+esp_err_t esp_bt_gap_set_scan_mode(esp_bt_scan_mode_t mode);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ESP_GAP_BT_API_H__ */