Update IDF to aaf1239 (#1539)

* fix sdmmc config

* Fix warnings in EEPROM

from @Curclamas

* remove leftover TAG in EEPROM

* Initial add of @stickbreaker i2c

* Add log_n

* fix warnings when log is off

* i2c code clean up and reorganization

* add flags to interrupt allocator

* fix sdmmc config

* Fix warnings in EEPROM

from @Curclamas

* remove leftover TAG in EEPROM

* fix errors with latest IDF

* fix debug optimization (#1365)

incorrect optimization for debugging tick markers.

* Fix some missing BT header

* Change BTSerial log calls

* Update BLE lib

* Arduino-ESP32 release management scripted (#1515)

* Calculate an absolute path for a custom partitions table (#1452)

* * Arduino-ESP32 release management scripted
(ready-to-merge)

* * secure env for espressif/arduino-esp32

* * build tests enabled
* gitter webhook enabled

* * gitter room link fixed
* better comment

* * filepaths fixed

* BT Serial adjustments

* * don't run sketch builds & tests for tagged builds

* Return false from WiFi.hostByName() if hostname is not resolved

* Free BT Memory when BT is not used

* WIFI_MODE_NULL is not supported anymore

* Select some key examples to build with PlatformIO to save some time

* Update BLE lib

* Fixed BLE lib

* Major WiFi overhaul

- auto reconnect on connection loss now works
- moved to event groups
- some code clean up and procedure optimizations
- new methods to get a more elaborate system ststus

* Add cmake tests to travis

* Add initial AsyncUDP

* Add NetBIOS lib and fix CMake includes

* Add Initial WebServer

* Fix WebServer and examples

* travis not quiting on build fail

* Try different travis build

* Update IDF to aaf1239

* Fix WPS Example

* fix script permission and add some fail tests to sketch builder

* Add missing space in WiFiClient::write(Stream &stream)

tools/sdk/include/esp32/esp_wifi_internal.h

@@ -35,11 +35,17 @@
 #include "esp_err.h"
 #include "esp_wifi_types.h"
 #include "esp_event.h"
+#include "esp_wifi.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+typedef struct {
+    QueueHandle_t handle; /**< FreeRTOS queue handler */
+    void *storage;        /**< storage for FreeRTOS queue */
+} wifi_static_queue_t;
+
 /**
  * @brief Initialize Wi-Fi Driver
  *     Alloc resource for WiFi driver, such as WiFi control structure, RX/TX buffer,
@@ -81,7 +87,7 @@ void esp_wifi_internal_free_rx_buffer(void* buffer);
   *
   * @param  wifi_interface_t wifi_if : wifi interface id
   * @param  void *buffer : the buffer to be tansmit
-  * @param  u16_t len : the length of buffer
+  * @param  uint16_t len : the length of buffer
   *
   * @return
   *    - ERR_OK  : Successfully transmit the buffer to wifi driver
@@ -89,7 +95,7 @@ void esp_wifi_internal_free_rx_buffer(void* buffer);
   *    - ERR_IF : WiFi driver error
   *    - ERR_ARG : Invalid argument
   */
-int esp_wifi_internal_tx(wifi_interface_t wifi_if, void *buffer, u16_t len);
+int esp_wifi_internal_tx(wifi_interface_t wifi_if, void *buffer, uint16_t len);
 
 /**
   * @brief     The WiFi RX callback function
@@ -121,6 +127,28 @@ esp_err_t esp_wifi_internal_reg_rxcb(wifi_interface_t ifx, wifi_rxcb_t fn);
   */
 esp_err_t esp_wifi_internal_set_sta_ip(void);
 
+/**
+  * @brief     Check the MD5 values of the OS adapter header files in IDF and WiFi library
+  *
+  * @attention 1. It is used for internal CI version check
+  *
+  * @return
+  *     - ESP_OK : succeed
+  *     - ESP_WIFI_INVALID_ARG : MD5 check fail
+  */
+esp_err_t esp_wifi_internal_osi_funcs_md5_check(const char *md5);
+
+/**
+  * @brief     Check the MD5 values of the crypto types header files in IDF and WiFi library
+  *
+  * @attention 1. It is used for internal CI version check
+  *
+  * @return
+  *     - ESP_OK : succeed
+  *     - ESP_WIFI_INVALID_ARG : MD5 check fail
+  */
+esp_err_t esp_wifi_internal_crypto_funcs_md5_check(const char *md5);
+
 /**
   * @brief     Allocate a chunk of memory for WiFi driver
   *