From bea7bd1852bae767864dbb582ea4d4123bc968c1 Mon Sep 17 00:00:00 2001
From: Adam <WhyKickAmooCow@users.noreply.github.com>
Date: Sat, 11 May 2019 20:02:26 +1200
Subject: [PATCH] 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.
---
 libraries/BLE/src/BLEAdvertising.cpp | 21 +++++++++++++++++++++
 libraries/BLE/src/BLEAdvertising.h   |  1 +
 2 files changed, 22 insertions(+)

diff --git a/libraries/BLE/src/BLEAdvertising.cpp b/libraries/BLE/src/BLEAdvertising.cpp
index aa96baa4..84416afb 100644
--- a/libraries/BLE/src/BLEAdvertising.cpp
+++ b/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 --git a/libraries/BLE/src/BLEAdvertising.h b/libraries/BLE/src/BLEAdvertising.h
index 3128b50f..be85371e 100644
--- a/libraries/BLE/src/BLEAdvertising.h
+++ b/libraries/BLE/src/BLEAdvertising.h
@@ -58,6 +58,7 @@ public:
 	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);