Implemented ability to change BLE address (#2690)

Implemented the ability to change the ESP32s BLE device address as
according the the BLE specification. This address is used when
advertising the ESP32 over BLE.

Author: dash0820

Diff for: libraries/BLE/src/BLEAdvertising.cpp

@@ -253,6 +253,27 @@ void BLEAdvertising::stop() {
 	log_v("<< stop");
 } // stop
 
+/**
+ * @brief Set BLE address.
+ * @param [in] Bluetooth address.
+ * @param [in] Bluetooth address type.
+ * Set BLE address.
+ */
+
+void BLEAdvertising::setDeviceAddress(esp_bd_addr_t addr, esp_ble_addr_type_t type)
+{
+	log_v(">> setPrivateAddress")
+
+	m_advParams.own_addr_type = type;
+	esp_err_t errRc = esp_ble_gap_set_rand_addr((uint8_t*)addr);
+	if (errRc != ESP_OK)
+	{
+		log_e("esp_ble_gap_set_rand_addr: rc=%d %s", errRc, GeneralUtils::errorToString(errRc));
+		return;
+	}
+	log_v("<< setPrivateAddress")
+} // setPrivateAddress
+
 /**
  * @brief Add data to the payload to be advertised.
  * @param [in] data The data to be added to the payload.

Diff for: libraries/BLE/src/BLEAdvertising.h

@@ -58,6 +58,7 @@ class BLEAdvertising {
 	void setScanFilter(bool scanRequertWhitelistOnly, bool connectWhitelistOnly);
 	void setScanResponseData(BLEAdvertisementData& advertisementData);
 	void setPrivateAddress(esp_ble_addr_type_t type = BLE_ADDR_TYPE_RANDOM);
+	void setDeviceAddress(esp_bd_addr_t addr, esp_ble_addr_type_t type = BLE_ADDR_TYPE_RANDOM);
 
 	void handleGAPEvent(esp_gap_ble_cb_event_t  event, esp_ble_gap_cb_param_t* param);
 	void setMinPreferred(uint16_t);