避免字符设备特殊控制符和通用控制符冲突

2023-11-27 17:41:38 +08:00
parent 06edda3586
commit 0b31cd2b6c
1 changed files with 1 additions and 1 deletions
--- a/include/rtdef.h
+++ b/include/rtdef.h
@ -1027,7 +1027,7 @@ 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