expose identity address used by controller

Author: paul-szczepanek-arm

features/FEATURE_BLE/ble/pal/PalSecurityManager.h

@@ -967,6 +967,22 @@ class SecurityManager : private mbed::NonCopyable<SecurityManager<Impl, EventHan
         return impl()->set_private_address_timeout(timeout_in_seconds);
     }
 
+    /**
+     * Retrieve the identity address used by the controller
+     *
+     * @param address Will contain the address retrieved.
+     * @param public_address will be true if the address is public and false
+     * otherwise.
+     * @return BLE_ERROR_NONE On success, else an error code indicating the reason
+     * of the failure
+     */
+    ble_error_t get_identity_address(
+        address_t& address,
+        bool& public_address
+    ) {
+        return impl()->get_identity_address_(address, public_address);
+    }
+
     ////////////////////////////////////////////////////////////////////////////
     // Keys
     //

features/FEATURE_BLE/targets/TARGET_CORDIO/CordioPalSecurityManager.h

@@ -212,6 +212,11 @@ class CordioSecurityManager : public ::ble::pal::SecurityManager<CordioSecurityM
      */
     ble_error_t set_private_address_timeout_(uint16_t timeout_in_seconds);
 
+    /**
+     * @see ::ble::pal::SecurityManager::get_identity_address
+     */
+    ble_error_t get_identity_address_(address_t& address, bool& public_address);
+
     ////////////////////////////////////////////////////////////////////////////
     // Keys
     //

features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioPalSecurityManager.tpp

@@ -279,6 +279,20 @@ ble_error_t CordioSecurityManager<EventHandler>::set_private_address_timeout_(
     return BLE_ERROR_NONE;
 }
 
+/**
+ * @see ::ble::pal::SecurityManager::get_identity_address
+ */
+template <class EventHandler>
+ble_error_t CordioSecurityManager<EventHandler>::get_identity_address_(
+    address_t& address,
+    bool& public_address
+) {
+    // On cordio, the public address is hardcoded as the identity address.
+    address = address_t(HciGetBdAddr());
+    public_address = true;
+    return BLE_ERROR_NONE;
+}
+
 ////////////////////////////////////////////////////////////////////////////
 // Keys
 //