From 9a56bb6fb0a9d7075ca4a08b3cddd7df7fa7344e Mon Sep 17 00:00:00 2001
From: Henry Cheung <cheetah_henry@hotmail.com>
Date: Thu, 27 Dec 2018 10:09:54 +0800
Subject: [PATCH] fix high cpu utilzation when autoaddmgr is running on
 JsonServer

---
 libs/SmartMeshSDK/utils/SerialScanner.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/SmartMeshSDK/utils/SerialScanner.py b/libs/SmartMeshSDK/utils/SerialScanner.py
index 9523f2c..968552f 100644
--- a/libs/SmartMeshSDK/utils/SerialScanner.py
+++ b/libs/SmartMeshSDK/utils/SerialScanner.py
@@ -165,6 +165,7 @@ def run(self):
                 self.goOn = False
                 serialHandler.close()
                 while listenThread.isAlive():
+                    time.sleep(0.01)
                     pass # wait for listenThread to stop
             except serial.SerialException:
                 pass # happens when serial port unavailable