From 7a1f0e0f677d8415b88e80f9f5e7754dac75c30e Mon Sep 17 00:00:00 2001
From: bigmagic <zhaofujin@rt-thread.com>
Date: Wed, 2 Dec 2020 10:11:38 +0800
Subject: when flag is RT_DEVICE_FLAG_STREAM, paser '\n' break!

---
 components/drivers/serial/serial.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'components')

diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c
index 2511f18102..c2cc2f615c 100644
--- a/components/drivers/serial/serial.c
+++ b/components/drivers/serial/serial.c
@@ -221,7 +221,10 @@ rt_inline int _serial_poll_rx(struct rt_serial_device *serial, rt_uint8_t *data,
         *data = ch;
         data ++; length --;
 
-        if (ch == '\n') break;
+        if(serial->parent.open_flag & RT_DEVICE_FLAG_STREAM)
+        {
+            if (ch == '\n') break;
+        }
     }
 
     return size - length;
-- 
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