fix(exnostat): Consume all BLE events

preload/apps/exnostat/__init__.py

@@ -100,7 +100,10 @@ def process_scan_report(scan_report):
 
 
 def ble_callback(_):
+    while True:
         event = sys_ble.get_event()
+        if event == sys_ble.EVENT_NONE:
+            break
         if event == sys_ble.EVENT_SCAN_REPORT:
             while True:
                 scan_report = sys_ble.get_scan_report()