gap: add gap_secure_connections_active() to query if BR/EDR Secure Connecions are possible

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - HCI: ENABLE_HCI_SERIALIZED_CONTROLLER_OPERATIONS serializes Inquiry, Remote Name Request and Create Connection operations
 - GAP: support extended advertising with ENABLE_LE_EXTENDED_ADVERTISING
 - GAP: gap_enable_link_watchdog() uses automatic flush timeout to disconnect if data cannot be sent
+- GAP: gap_secure_connections_active() to query if BR/EDR Secure Connecions are possible
 - ATT DB: provide gatt_server_get_handle_range_for_service_with_uuid16 to find included service within handle range
 - GATT Service: Audio Input Control Service Server (AICS 1.0)
 - GATT Service: Volume Control Service Server (VCS 1.0)

src/gap.h

@@ -361,6 +361,12 @@ void gap_ssp_set_authentication_requirement(int authentication_requirement);
  */
 void gap_secure_connections_enable(bool enable);
 
+/**
+ * @brief Query if Secure Connections can be used for Classic connections.
+ * @note Requires gap_secure_connections_enable == true and Controller to support it
+ */
+bool gap_secure_connections_active(void);
+
 /**
  * @brief If set, BTstack will confirm a numeric comparison and enter '000000' if requested.
  */

src/hci.c

@@ -6033,6 +6033,9 @@ void gap_ssp_set_auto_accept(int auto_accept){
 void gap_secure_connections_enable(bool enable){
     hci_stack->secure_connections_enable = enable;
 }
+bool gap_secure_connections_active(void){
+    hci_stack->secure_connections_active;
+}
 
 #endif