From abf538270c265f530758c7726d7d047b8a911bc9 Mon Sep 17 00:00:00 2001
From: xinyang <txy15436@gmail.com>
Date: Sun, 14 Apr 2019 22:39:33 +0800
Subject: [PATCH] =?UTF-8?q?=E6=95=B0=E6=8D=AE=E6=8E=A5=E6=94=B6?=
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---
 main.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.cpp b/main.cpp
index 29de3b5..e505a48 100644
--- a/main.cpp
+++ b/main.cpp
@@ -96,6 +96,9 @@ void uartReceive(Uart* uart){
         char data;
         while((data=uart->receive()) != '\n'){
             buffer[cnt++] = data;
+            if(cnt >= 100){
+                LOGE("data receive over flow!");
+            }
         }buffer[cnt] = 0;
         if(cnt == 9){
             if(buffer[8] == 'e'){