From 8d30f7a09f1915fff9b46340a96069da289081a8 Mon Sep 17 00:00:00 2001
From: w-mj <w.mingjian@yahoo.com>
Date: Sun, 4 Nov 2018 15:40:24 +0800
Subject: [PATCH] check if data can be split

---
 serialcontroller.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/serialcontroller.cpp b/serialcontroller.cpp
index 30501bd..9c6b060 100644
--- a/serialcontroller.cpp
+++ b/serialcontroller.cpp
@@ -92,8 +92,10 @@ void SerialController::handleRecv()
     try {
         qDebug()<<str;
         QStringList sl = str.split("|");
+        if (sl.size() == 2) {
         a = sl[0].toInt();
         d = sl[1].toInt();
+        }
         qDebug()<<a<<","<<d;
         emit sendPos(a, d);
     } catch(...) {
-- 
2.54.0