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-rw-r--r--include/rtdef.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/rtdef.h b/include/rtdef.h
index 67fda14610..6bd8ed002e 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -628,7 +628,8 @@ enum rt_device_class_type
RT_Device_Class_RTC, /**< RTC device */
RT_Device_Class_Sound, /**< Sound device */
RT_Device_Class_Graphic, /**< Graphic device */
- RT_Device_Class_I2C, /**< I2C device */
+ RT_Device_Class_I2CBUS, /**< I2C bus device */
+ RT_Device_Class_I2CDevice, /**< I2C device */
RT_Device_Class_USBDevice, /**< USB slave device */
RT_Device_Class_USBHost, /**< USB host bus */
RT_Device_Class_SPIBUS, /**< SPI bus device */