@@ -52,6 +52,8 @@ struct rt_device_pin
#define PIN_IRQ_MODE_RISING 0x00
#define PIN_IRQ_MODE_FALLING 0x01
#define PIN_IRQ_MODE_RISING_FALLING 0x02
+#define PIN_IRQ_MODE_HIGH_LEVEL 0x03
+#define PIN_IRQ_MODE_LOW_LEVEL 0x04
#define PIN_IRQ_DISABLE 0x00
#define PIN_IRQ_ENABLE 0x01
tangyuxin