Major IDF and Arduino Update

WiFi and BlueTooth can now be started and stopped at will.
basic functions added to esp32-hal to start and stop the BT radio
SimpleBLE class added to show the most basic functionality
Example to show how to switch between BT, WiFi or Both

tools/sdk/include/esp32/esp_coexist.h

@@ -25,6 +25,11 @@ extern "C" {
  */
 esp_err_t coex_init(void);
 
+/**
+ * @brief De-init software coexist
+ */
+void coex_deinit(void);
+
 /**
  * @brief Get software coexist enable or not
  *

tools/sdk/include/esp32/esp_deep_sleep.h

@@ -164,6 +164,14 @@ void esp_deep_sleep_start() __attribute__((noreturn));
  * Call to this function is equivalent to a call to esp_deep_sleep_enable_timer_wakeup
  * followed by a call to esp_deep_sleep_start.
  *
+ * esp_deep_sleep does not shut down WiFi, BT, and higher level protocol
+ * connections gracefully.
+ * Make sure relevant WiFi and BT stack functions are called to close any
+ * connections and deinitialize the peripherals. These include:
+ *     - esp_bluedroid_disable
+ *     - esp_bt_controller_disable
+ *     - esp_wifi_stop
+ *
  * This function does not return.
  *
  * @param time_in_us  deep-sleep time, unit: microsecond

tools/sdk/include/esp32/esp_phy_init.h

@@ -14,6 +14,7 @@
 
 #pragma once
 #include <stdint.h>
+#include <stdbool.h>
 #include "esp_err.h"
 
 #ifdef __cplusplus
@@ -192,7 +193,7 @@ void esp_phy_release_init_data(const esp_phy_init_data_t* data);
  * mechanism for loading calibration data, disable
  * "Initialize PHY in startup code" option in menuconfig and call esp_phy_init
  * function from the application. For an example usage of esp_phy_init and
- * this function, see do_phy_init function in cpu_start.c
+ * this function, see esp_phy_store_cal_data_to_nvs function in cpu_start.c
  *
  * @param out_cal_data pointer to calibration data structure to be filled with
  *                     loaded data.
@@ -220,28 +221,39 @@ esp_err_t esp_phy_load_cal_data_from_nvs(esp_phy_calibration_data_t* out_cal_dat
 esp_err_t esp_phy_store_cal_data_to_nvs(const esp_phy_calibration_data_t* cal_data);
 
 /**
- * @brief Initialize PHY module
+ * @brief Initialize PHY and RF module
  *
- * PHY module should be initialized in order to use WiFi or BT.
- * If "Initialize PHY in startup code" option is set in menuconfig,
- * this function will be called automatically before app_main is called,
- * using parameters obtained from esp_phy_get_init_data.
- *
- * Applications which don't need to enable PHY on every start up should
- * disable this menuconfig option and call esp_phy_init before calling
- * esp_wifi_init or esp_bt_controller_init. See do_phy_init function in
- * cpu_start.c for an example of using this function.
+ * PHY and RF module should be initialized in order to use WiFi or BT.
+ * Now PHY and RF initializing job is done automatically when start WiFi or BT. Users should not
+ * call this API in their application.
  *
  * @param init_data  PHY parameters. Default set of parameters can
  *                   be obtained by calling esp_phy_get_default_init_data
  *                   function.
  * @param mode  Calibration mode (Full, partial, or no calibration)
  * @param[inout] calibration_data
+ * @param is_sleep WiFi wakes up from sleep or not
+ * @return ESP_OK on success.
+ * @return ESP_FAIL on fail.
+ */
+esp_err_t esp_phy_rf_init(const esp_phy_init_data_t* init_data,
+        esp_phy_calibration_mode_t mode, esp_phy_calibration_data_t* calibration_data, bool is_sleep);
+
+/**
+ * @brief De-initialize PHY and RF module
+ *
+ * PHY module should be de-initialized in order to shutdown WiFi or BT.
+ * Now PHY and RF de-initializing job is done automatically when stop WiFi or BT. Users should not
+ * call this API in their application.
+ *
  * @return ESP_OK on success.
  */
-esp_err_t esp_phy_init(const esp_phy_init_data_t* init_data,
-        esp_phy_calibration_mode_t mode, esp_phy_calibration_data_t* calibration_data);
+esp_err_t esp_phy_rf_deinit(void);
 
+/**
+ * @brief Load calibration data from NVS and initialize PHY and RF module
+ */
+void esp_phy_load_cal_and_init(void);
 
 #ifdef __cplusplus
 }

tools/sdk/include/esp32/esp_wifi.h

@@ -130,6 +130,7 @@ esp_err_t esp_wifi_init(wifi_init_config_t *config);
   *         Free all resource allocated in esp_wifi_init and stop WiFi task
   *
   * @attention 1. This API should be called if you want to remove WiFi driver from the system
+  * @attention 2. This API can not be called yet and will be done in the future.
   *
   * @return ESP_OK: succeed
   */

tools/sdk/include/esp32/soc/soc.h

@@ -268,10 +268,10 @@
  *      2                       1               extern level
  *      3                       1               extern level
  *      4                       1               extern level            WBB
- *      5                       1               extern level            BT Controller 
+ *      5                       1               extern level            BT/BLE Controller
  *      6                       1               timer                   FreeRTOS Tick(L1)       FreeRTOS Tick(L1)
  *      7                       1               software                Reserved                Reserved
- *      8                       1               extern level            BLE Controller 
+ *      8                       1               extern level            BT/BLE BB(RX/TX)
  *      9                       1               extern level
  *      10                      1               extern edge             Internal Timer
  *      11                      3               profiling