From 5e92521e0d0e6f73cafe5fe8b5c2e7e0d852863e Mon Sep 17 00:00:00 2001
From: Meco <920369182@qq.com>
Date: Mon, 10 Aug 2020 04:35:08 +0800
Subject: struct rt_device_ops 结构体增加宏定义
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---
 include/rtdef.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include')

diff --git a/include/rtdef.h b/include/rtdef.h
index 747643bb82..5543b80ab7 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -32,6 +32,7 @@
  * 2019-01-27     Bernard      change version number to v4.0.1
  * 2019-05-17     Bernard      change version number to v4.0.2
  * 2019-12-20     Bernard      change version number to v4.0.3
+ * 2020-08-10     Meco Man     add macro for struct rt_device_ops
  */
 
 #ifndef __RT_DEF_H__
@@ -920,6 +921,8 @@ enum rt_device_class_type
 #define RT_DEVICE_CTRL_RTC_SET_ALARM    0x13            /**< set alarm */
 
 typedef struct rt_device *rt_device_t;
+
+#ifdef RT_USING_DEVICE_OPS
 /**
  * operations set for device object
  */
@@ -933,6 +936,7 @@ struct rt_device_ops
     rt_size_t (*write)  (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size);
     rt_err_t  (*control)(rt_device_t dev, int cmd, void *args);
 };
+#endif
 
 /**
  * WaitQueue structure
-- 
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