From 7f56898fadce9de1d8cdf186479e86ccd3c4f5f1 Mon Sep 17 00:00:00 2001
From: HubretXie <xiexianbin@gmail.com>
Date: Wed, 27 Nov 2019 14:08:42 +0800
Subject: [PATCH] Update drv_gpio.c
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增加GPIO中断进入退出保护
---
 bsp/stm32/libraries/HAL_Drivers/drv_gpio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c b/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
index 9574e04706..81434d73ce 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
@@ -654,6 +654,7 @@ void EXTI2_3_IRQHandler(void)
 }
 void EXTI4_15_IRQHandler(void)
 {
+    rt_interrupt_enter();
     HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_4);
     HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_5);
     HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_6);
@@ -666,6 +667,7 @@ void EXTI4_15_IRQHandler(void)
     HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
     HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_14);
     HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_15);
+    rt_interrupt_leave();
 }
 
 #else