prototype gap security level API

src/gap.h

@@ -40,6 +40,34 @@
 extern "C" {
 #endif
 
+typedef enum {
+
+	// MITM protection not required
+	// No encryption required
+	// No user interaction required
+	LEVEL_0 = 0,
+
+	// MITM protection not required
+	// No encryption required
+	// Minimal user interaction desired
+	LEVEL_1,
+
+	// MITM protection not required
+	// Encryption required
+	LEVEL_2,
+
+	// MITM protection required
+	// Encryption required
+	// User interaction acceptable
+	LEVEL_3,
+
+	// MITM protection required
+	// Encryption required
+	// 128-bit equivalent strength for link and encryption keys required
+	// User interaction acceptable
+	LEVEL_4,	
+} gap_security_level_t;
+
 /**
  * @bbrief enable/disable bonding. default is enabled
  * @praram enabled

src/hci.c

@@ -1691,3 +1691,17 @@ void hci_emit_discoverable_enabled(uint8_t enabled){
 void gap_set_bondable_mode(int enable){
     hci_stack.bondable = enable ? 1 : 0;
 }
+
+/**
+ * @brief get current security level
+ */
+gap_security_level_t gap_security_level(hci_con_handle_t con_handle){
+    return LEVEL_0;
+}
+
+/**
+ * @brief request connection to device to
+ * @result GAP_AUTHENTICATION_RESULT
+ */
+void gap_request_security_level(hci_con_handle_t con_handle, gap_security_level_t level){
+}