Update IDF to de750e9 and add BLE

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "libraries/BLE"]
+	path = libraries/BLE
+	url = https://github.com/nkolban/ESP32_BLE_Arduino.git

.travis.yml

@@ -19,7 +19,9 @@ script:
   - mkdir espressif
   - cd espressif
   - ln -s $TRAVIS_BUILD_DIR esp32
-  - cd esp32/tools
+  - cd esp32
+  - git submodule update --init --recursive
+  - cd tools
   - python get.py
   - export PATH="$HOME/arduino_ide:$TRAVIS_BUILD_DIR/tools/xtensa-esp32-elf/bin:$PATH"
   - which arduino

docs/arduino-ide/debian_ubuntu.md

@@ -13,7 +13,9 @@ Installation instructions for Debian / Ubuntu OS
   mkdir -p ~/Arduino/hardware/espressif && \
   cd ~/Arduino/hardware/espressif && \
   git clone https://github.com/espressif/arduino-esp32.git esp32 && \
-  cd esp32/tools/ && \
+  cd esp32 && \
+  git submodule update --init --recursive && \
+  cd tools && \
   python get.py
   ```
 - Restart Arduino IDE

docs/arduino-ide/fedora.md

@@ -10,7 +10,9 @@ Installation instructions for Fedora
   mkdir -p ~/Arduino/hardware/espressif && \
   cd ~/Arduino/hardware/espressif && \
   git clone https://github.com/espressif/arduino-esp32.git esp32 && \
-  cd esp32/tools/ && \
+  cd esp32 && \
+  git submodule update --init --recursive && \
+  cd tools && \
   python get.py
   ```
 - Restart Arduino IDE

docs/arduino-ide/mac.md

@@ -8,7 +8,9 @@ Installation instructions for Mac OS
   mkdir -p ~/Documents/Arduino/hardware/espressif && \
   cd ~/Documents/Arduino/hardware/espressif && \
   git clone https://github.com/espressif/arduino-esp32.git esp32 && \
-  cd esp32/tools/ && \
+  cd esp32 && \
+  git submodule update --init --recursive && \
+  cd tools && \
   python get.py
   ```
 - If you get the error below. Install the command line dev tools with xcode-select --install and try the command above again:

docs/arduino-ide/opensuse.md

@@ -14,7 +14,9 @@ Installation instructions for openSUSE
   mkdir -p ~/Arduino/hardware/espressif && \
   cd ~/Arduino/hardware/espressif && \
   git clone https://github.com/espressif/arduino-esp32.git esp32 && \
-  cd esp32/tools/ && \
+  cd esp32 && \
+  git submodule update --init --recursive && \
+  cd tools && \
   python get.py
   ```
 - Restart Arduino IDE

docs/esp-idf_component.md

@@ -9,7 +9,9 @@ To use as a component of ESP-IDF
     mkdir -p components && \
     cd components && \
     git clone https://github.com/espressif/arduino-esp32.git arduino && \
-    cd .. && \
+    cd arduino && \
+    git submodule update --init --recursive && \
+    cd ../.. && \
     make menuconfig
   ```
 - ```make menuconfig``` has some Arduino options

tools/sdk/include/bluedroid/bta_gatt_api.h

@@ -181,6 +181,7 @@ typedef UINT8 tBTA_GATT_STATUS;
 #define BTA_GATTC_ADV_VSC_EVT           34 /* ADV VSC event */
 #define BTA_GATTC_CONNECT_EVT           35 /* GATTC CONNECT  event */
 #define BTA_GATTC_DISCONNECT_EVT        36 /* GATTC DISCONNECT  event */
+#define BTA_GATTC_READ_MUTIPLE_EVT      37 /* GATTC Read mutiple event */
 
 typedef UINT8 tBTA_GATTC_EVT;
 

tools/sdk/include/bluedroid/bta_gattc_int.h

@@ -165,6 +165,7 @@ typedef struct {
     tBTA_GATT_AUTH_REQ      auth_req;
     UINT8                   num_attr;
     UINT16                  handles[GATT_MAX_READ_MULTI_HANDLES];
+    tBTA_GATTC_EVT          cmpl_evt;
 }tBTA_GATTC_API_READ_MULTI;
 
 typedef struct {

tools/sdk/include/bluedroid/esp_gap_ble_api.h

@@ -864,9 +864,9 @@ esp_err_t esp_ble_gap_read_rssi(esp_bd_addr_t remote_addr);
 /**
 * @brief             Set a GAP security parameter value. Overrides the default value.
 *
-* @param[in]       param_type :L the type of the param which to be set
+* @param[in]       param_type : the type of the param which to be set
 * @param[in]       value  : the param value
-* @param[out]     len : the length of the param value
+* @param[in]       len : the length of the param value
 *
 * @return            - ESP_OK : success
 *                       - other  : failed

tools/sdk/include/bluedroid/esp_gattc_api.h

@@ -63,6 +63,7 @@ typedef enum {
     ESP_GATTC_UNREG_FOR_NOTIFY_EVT    = 39,       /*!< When unregister for notification of a service completes, the event comes */
     ESP_GATTC_CONNECT_EVT             = 40,       /*!< When the ble physical connection is set up, the event comes */
     ESP_GATTC_DISCONNECT_EVT          = 41,       /*!< When the ble physical connection disconnected, the event comes */
+    ESP_GATTC_READ_MUTIPLE_EVT        = 42,       /*!< When the ble characteristic or descriptor mutiple complete, the event comes */
 } esp_gattc_cb_event_t;
 
 

tools/sdk/include/config/sdkconfig.h

@@ -10,6 +10,7 @@
 #define CONFIG_FREERTOS_MAX_TASK_NAME_LEN 16
 #define CONFIG_BLE_SMP_ENABLE 1
 #define CONFIG_TCP_RECVMBOX_SIZE 6
+#define CONFIG_LWIP_ETHARP_TRUST_IP_MAC 1
 #define CONFIG_TCP_WND_DEFAULT 5744
 #define CONFIG_SW_COEXIST_ENABLE 1
 #define CONFIG_SPIFFS_USE_MAGIC_LENGTH 1
@@ -154,6 +155,7 @@
 #define CONFIG_SPIFFS_OBJ_NAME_LEN 32
 #define CONFIG_ESP32_PTHREAD_TASK_PRIO_DEFAULT 5
 #define CONFIG_LOG_BOOTLOADER_LEVEL_NONE 1
+#define CONFIG_TCPIP_RECVMBOX_SIZE 32
 #define CONFIG_ESP32_DEFAULT_CPU_FREQ_240 1
 #define CONFIG_ESP32_XTAL_FREQ_AUTO 1
 #define CONFIG_TCP_MAXRTX 12

tools/sdk/include/driver/driver/sigmadelta.h

@@ -27,14 +27,14 @@ extern "C" {
  * @brief Sigma-delta channel list
  */
 typedef enum{
-    SIGMADELTA_CHANNEL_0 = 0,         /*!< Sigma-delta channel0 */
-    SIGMADELTA_CHANNEL_1 = 1,         /*!< Sigma-delta channel1 */
-    SIGMADELTA_CHANNEL_2 = 2,         /*!< Sigma-delta channel2 */
-    SIGMADELTA_CHANNEL_3 = 3,         /*!< Sigma-delta channel3 */
-    SIGMADELTA_CHANNEL_4 = 4,         /*!< Sigma-delta channel4 */
-    SIGMADELTA_CHANNEL_5 = 5,         /*!< Sigma-delta channel5 */
-    SIGMADELTA_CHANNEL_6 = 6,         /*!< Sigma-delta channel6 */
-    SIGMADELTA_CHANNEL_7 = 7,         /*!< Sigma-delta channel7 */
+    SIGMADELTA_CHANNEL_0 = 0,         /*!< Sigma-delta channel 0 */
+    SIGMADELTA_CHANNEL_1 = 1,         /*!< Sigma-delta channel 1 */
+    SIGMADELTA_CHANNEL_2 = 2,         /*!< Sigma-delta channel 2 */
+    SIGMADELTA_CHANNEL_3 = 3,         /*!< Sigma-delta channel 3 */
+    SIGMADELTA_CHANNEL_4 = 4,         /*!< Sigma-delta channel 4 */
+    SIGMADELTA_CHANNEL_5 = 5,         /*!< Sigma-delta channel 5 */
+    SIGMADELTA_CHANNEL_6 = 6,         /*!< Sigma-delta channel 6 */
+    SIGMADELTA_CHANNEL_7 = 7,         /*!< Sigma-delta channel 7 */
     SIGMADELTA_CHANNEL_MAX,
 } sigmadelta_channel_t;
 
@@ -64,7 +64,8 @@ esp_err_t sigmadelta_config(const sigmadelta_config_t *config);
  *
  *        This function is used to set Sigma-delta channel duty,
  *        If you add a capacitor between the output pin and ground,
- *        the average output voltage Vdc = VDDIO / 256 * duty + VDDIO/2, VDDIO is power supply voltage.
+ *        the average output voltage will be Vdc = VDDIO / 256 * duty + VDDIO/2,
+ *        where VDDIO is the power supply voltage.
  *
  * @param channel Sigma-delta channel number
  * @param duty Sigma-delta duty of one channel, the value ranges from -128 to 127, recommended range is -90 ~ 90.

tools/sdk/include/esp32/esp_spiram.h

@@ -64,4 +64,16 @@ void esp_spiram_writeback_cache();
 
 
 
+/**
+ * @brief Reserve a pool of internal memory for specific DMA/internal allocations
+ *
+ * @param size Size of reserved pool in bytes
+ *
+ * @return
+ *          - ESP_OK on success
+ *          - ESP_ERR_NO_MEM when no memory available for pool
+ */
+esp_err_t esp_spiram_reserve_dma_pool(size_t size);
+
+
 #endif

tools/sdk/include/esp32/esp_wifi.h

@@ -517,23 +517,34 @@ esp_err_t esp_wifi_set_channel(uint8_t primary, wifi_second_chan_t second);
 esp_err_t esp_wifi_get_channel(uint8_t *primary, wifi_second_chan_t *second);
 
 /**
-  * @brief     Set country code
-  *            The default value is WIFI_COUNTRY_CN
+  * @brief     configure country info
   *
-  * @param     country  country type
+  * @attention 1. The default country is {.cc="CN", .schan=1, .nchan=13, policy=WIFI_COUNTRY_POLICY_AUTO}
+  * @attention 2. When the country policy is WIFI_COUNTRY_POLICY_AUTO, use the country info of AP to which 
+  *               the station is connected. E.g. if the configured country info is {.cc="USA", .schan=1, .nchan=11}, 
+  *               the country info of the AP to which the station is connected is {.cc="JP", .schan=1, .nchan=14},
+  *               then our country info is {.cc="JP", .schan=1, .nchan=14}. If the station disconnected
+  *               from the AP, the country info back to {.cc="USA", .schan=1, .nchan=11} again.
+  * @attention 3. When the country policy is WIFI_COUNTRY_POLICY_MANUAL, always use the configured country info.
+  * @attention 4. When the country info is changed because of configuration or because the station connects to a different
+  *               external AP, the country IE in probe response/beacon of the soft-AP is changed also.
+  * @attention 5. The country configuration is not stored into flash
+  * @attention 6. This API doesn't validate the per-country rules, it's up to the user to fill in all fields according to 
+  *               local regulations.
+  *
+  * @param     country   the configured country info
   *
   * @return
   *    - ESP_OK: succeed
   *    - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
   *    - ESP_ERR_WIFI_ARG: invalid argument
-  *    - others: refer to error code in esp_err.h
   */
-esp_err_t esp_wifi_set_country(wifi_country_t country);
+esp_err_t esp_wifi_set_country(wifi_country_t *country);
 
 /**
-  * @brief     Get country code
+  * @brief     get the current country info
   *
-  * @param     country  store current country
+  * @param     country  country info
   *
   * @return
   *    - ESP_OK: succeed
@@ -542,6 +553,7 @@ esp_err_t esp_wifi_set_country(wifi_country_t country);
   */
 esp_err_t esp_wifi_get_country(wifi_country_t *country);
 
+
 /**
   * @brief     Set MAC address of the ESP32 WiFi station or the soft-AP interface.
   *

tools/sdk/include/esp32/esp_wifi_types.h

@@ -40,11 +40,15 @@ typedef esp_interface_t wifi_interface_t;
 #define WIFI_IF_AP  ESP_IF_WIFI_AP
 
 typedef enum {
-    WIFI_COUNTRY_CN = 0, /**< country China, channel range [1, 14] */
-    WIFI_COUNTRY_JP,     /**< country Japan, channel range [1, 14] */
-    WIFI_COUNTRY_US,     /**< country USA, channel range [1, 11] */
-    WIFI_COUNTRY_EU,     /**< country Europe, channel range [1, 13] */
-    WIFI_COUNTRY_MAX
+    WIFI_COUNTRY_POLICY_AUTO,   /**< Country policy is auto, use the country info of AP to which the station is connected */
+    WIFI_COUNTRY_POLICY_MANUAL, /**< Country policy is manual, always use the configured country info */
+} wifi_country_policy_t;
+
+typedef struct {
+    char                  cc[3];   /**< country code string */
+    uint8_t               schan;   /**< start channel */
+    uint8_t               nchan;   /**< total channel number */
+    wifi_country_policy_t policy;  /**< country policy */
 } wifi_country_t;
 
 typedef enum {
@@ -121,15 +125,31 @@ typedef struct {
     wifi_scan_time_t scan_time;  /**< scan time per channel */
 } wifi_scan_config_t;
 
+typedef enum {
+    WIFI_CIPHER_TYPE_NONE = 0,   /**< the cipher type is none */
+    WIFI_CIPHER_TYPE_WEP40,      /**< the cipher type is WEP40 */
+    WIFI_CIPHER_TYPE_WEP104,     /**< the cipher type is WEP104 */
+    WIFI_CIPHER_TYPE_TKIP,       /**< the cipher type is TKIP */
+    WIFI_CIPHER_TYPE_CCMP,       /**< the cipher type is CCMP */
+    WIFI_CIPHER_TYPE_TKIP_CCMP,  /**< the cipher type is TKIP and CCMP */
+    WIFI_CIPHER_TYPE_UNKNOWN,    /**< the cipher type is unknown */
+} wifi_cipher_type_t;
+
 typedef struct {
     uint8_t bssid[6];                     /**< MAC address of AP */
     uint8_t ssid[33];                     /**< SSID of AP */
     uint8_t primary;                      /**< channel of AP */
     wifi_second_chan_t second;            /**< second channel of AP */
     int8_t  rssi;                         /**< signal strength of AP */
     wifi_auth_mode_t authmode;            /**< authmode of AP */
-    uint32_t low_rate_enable:1;           /**< bit: 0 flag to identify if low rate is enabled or not */
-    uint32_t reserved:31;                 /**< bit: 1..31 reserved */
+    wifi_cipher_type_t pairwise_cipher;   /**< pairwise cipher of AP */
+    wifi_cipher_type_t group_cipher;      /**< group cipher of AP */
+    uint32_t phy_11b:1;                   /**< bit: 0 flag to identify if 11b mode is enabled or not */
+    uint32_t phy_11g:1;                   /**< bit: 1 flag to identify if 11g mode is enabled or not */
+    uint32_t phy_11n:1;                   /**< bit: 2 flag to identify if 11n mode is enabled or not */
+    uint32_t phy_lr:1;                    /**< bit: 3 flag to identify if low rate is enabled or not */
+    uint32_t wps:1;                       /**< bit: 4 flag to identify if WPS is supported or not */
+    uint32_t reserved:27;                 /**< bit: 5..31 reserved */
 } wifi_ap_record_t;
 
 typedef enum {

tools/sdk/include/freertos/freertos/portmacro.h

@@ -82,6 +82,9 @@ extern "C" {
 #include "esp_crosscore_int.h"
 
 
+#include <esp_heap_caps.h>
+#include "soc/soc_memory_layout.h"
+
 //#include "xtensa_context.h"
 
 /*-----------------------------------------------------------
@@ -245,6 +248,18 @@ static inline unsigned portENTER_CRITICAL_NESTED() { unsigned state = XTOS_SET_I
 #define portSET_INTERRUPT_MASK_FROM_ISR()            portENTER_CRITICAL_NESTED()
 #define portCLEAR_INTERRUPT_MASK_FROM_ISR(state)     portEXIT_CRITICAL_NESTED(state)
 
+//Because the ROM routines don't necessarily handle a stack in external RAM correctly, we force
+//the stack memory to always be internal.
+#define pvPortMallocTcbMem(size) heap_caps_malloc(size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT)
+#define pvPortMallocStackMem(size)  heap_caps_malloc(size, MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT)
+
+//xTaskCreateStatic uses these functions to check incoming memory.
+#define portVALID_TCB_MEM(ptr) (esp_ptr_internal(ptr) && esp_ptr_byte_accessible(ptr))
+#ifndef CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY
+#define portVALID_STACK_MEM(ptr) esp_ptr_byte_accessible(ptr)
+#else
+#define portVALID_STACK_MEM(ptr) (esp_ptr_internal(ptr) && esp_ptr_byte_accessible(ptr))
+#endif
 
 /*
  * Wrapper for the Xtensa compare-and-set instruction. This subroutine will atomically compare

tools/sdk/include/heap/esp_heap_caps.h

@@ -32,6 +32,7 @@
 #define MALLOC_CAP_PID7             (1<<9)  ///< Memory must be mapped to PID7 memory space (PIDs are not currently used)
 #define MALLOC_CAP_SPIRAM           (1<<10) ///< Memory must be in SPI RAM
 #define MALLOC_CAP_INTERNAL         (1<<11) ///< Memory must be internal; specifically it should not disappear when flash/spiram cache is switched off
+#define MALLOC_CAP_DEFAULT          (1<<12) ///< Memory can be returned in a non-capability-specific memory allocation (e.g. malloc(), calloc()) call
 #define MALLOC_CAP_INVALID          (1<<31) ///< Memory can't be used / list end marker
 
 /**
@@ -172,3 +173,18 @@ void heap_caps_print_heap_info( uint32_t caps );
  * @return True if all heaps are valid, False if at least one heap is corrupt.
  */
 bool heap_caps_check_integrity(uint32_t caps, bool print_errors);
+
+
+
+/**
+ * @brief Enable malloc() in external memory and set limit below which 
+ *        malloc() attempts are placed in internal memory.
+ *
+ * When external memory is in use, the allocation strategy is to initially try to
+ * satisfy smaller allocation requests with internal memory and larger requests
+ * with external memory. This sets the limit between the two, as well as generally
+ * enabling allocation in external memory.
+ *
+ * @param limit       Limit, in bytes.
+ */
+void heap_caps_malloc_extmem_enable(size_t limit);

tools/sdk/include/heap/esp_heap_caps_init.h

@@ -73,8 +73,11 @@ esp_err_t heap_caps_add_region(intptr_t start, intptr_t end);
  * @param start Start address of new region.
  * @param end End address of new region.
  *
- * @return ESP_OK on success, ESP_ERR_INVALID_ARG if a parameter is invalid, ESP_ERR_NO_MEM if no
- * memory to register new heap.
+ * @return 
+ *         - ESP_OK on success
+ *         - ESP_ERR_INVALID_ARG if a parameter is invalid
+ *         - ESP_ERR_NO_MEM if no memory to register new heap.
+ *         - ESP_FAIL if region overlaps the start and/or end of an existing region
  */
 esp_err_t heap_caps_add_region_with_caps(const uint32_t caps[], intptr_t start, intptr_t end);