From a745d5ee031f304727ca360ac4aa8ddd98c06ff6 Mon Sep 17 00:00:00 2001
From: tangyuxin <462747508@qq.com>
Date: Thu, 15 Mar 2018 11:05:43 +0800
Subject: [PATCH] =?UTF-8?q?[drivers][pin]=E5=A2=9E=E5=8A=A0=E4=B8=A4?=
 =?UTF-8?q?=E7=A7=8DIO=E4=B8=AD=E6=96=AD=E6=A8=A1=E5=BC=8F?=
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---
 components/drivers/include/drivers/pin.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/drivers/include/drivers/pin.h b/components/drivers/include/drivers/pin.h
index a4ac39c75b..d21fc28bd9 100644
--- a/components/drivers/include/drivers/pin.h
+++ b/components/drivers/include/drivers/pin.h
@@ -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