ble - add adapter

api/ble.py

@@ -392,11 +392,11 @@ def get_usb_id():
     # first let's see if it's already in the list
     for usb_id in present_usb_id_output:
         if usb_id in bt_usb_ids:
-            current_usb_id = usb_id
+            result = usb_id
     # if it's not in the list, guess
-    if len(current_usb_id) == 0:
-        current_usb_id = usb_id_guess()
-    return current_usb_id
+    if len(result) == 0:
+        result = usb_id_guess()
+    return result
 
 # this will guess the USB ID if it's not found in the list
 def usb_id_guess():