From 00c6e81ecc2e5c569d27d7355dd7b87a30f7622b Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Sun, 31 Dec 2017 23:51:57 +0800
Subject: [PATCH] [DeviceDrivers] fix type unknown issue in pipe

---
 components/drivers/src/pipe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/drivers/src/pipe.c b/components/drivers/src/pipe.c
index 00630c52e..61b8a5db6 100644
--- a/components/drivers/src/pipe.c
+++ b/components/drivers/src/pipe.c
@@ -24,6 +24,7 @@
  */
 #include <rthw.h>
 #include <rtdevice.h>
+#include <stdint.h>
 
 #if defined(RT_USING_POSIX)
 #include <dfs_file.h>