From aaba21c938407c9e604980034a2d0b85799c5dca Mon Sep 17 00:00:00 2001
From: jonas <jonaswen@163.com>
Date: Tue, 21 Feb 2023 17:01:00 +0800
Subject: [PATCH] =?UTF-8?q?[fix]=E9=81=BF=E5=85=8D=E5=AD=97=E7=AC=A6?=
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---
 include/rtdef.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/rtdef.h b/include/rtdef.h
index 4a65c27842..e72f9226fa 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -1187,7 +1187,7 @@ enum rt_device_class_type
 /**
  * device control
  */
-#define RT_DEVICE_CTRL_BASE(Type)        (RT_Device_Class_##Type * 0x100)
+#define RT_DEVICE_CTRL_BASE(Type)        ((RT_Device_Class_##Type + 1) * 0x100)
 
 /**
  * special device commands
-- 
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