From b33e1cbf68bbc5abd06a5a326d5e33c1826bb7d8 Mon Sep 17 00:00:00 2001
From: Meco Man <920369182@qq.com>
Date: Sun, 19 Mar 2023 21:10:02 -0400
Subject: [stm32][pin] 修复GPIO驱动警告
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---
 bsp/stm32/libraries/HAL_Drivers/drv_gpio.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'bsp')

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c b/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
index 6fee543607..061396e1d3 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
@@ -217,16 +217,16 @@ static rt_int8_t stm32_pin_read(rt_device_t dev, rt_base_t pin)
 {
     GPIO_TypeDef *gpio_port;
     uint16_t gpio_pin;
-    GPIO_PinState value = PIN_LOW;
+    GPIO_PinState state;
 
     if (PIN_PORT(pin) < PIN_STPORT_MAX)
     {
         gpio_port = PIN_STPORT(pin);
         gpio_pin = PIN_STPIN(pin);
-        value = HAL_GPIO_ReadPin(gpio_port, gpio_pin);
+        state = HAL_GPIO_ReadPin(gpio_port, gpio_pin);
     }
 
-    return value;
+    return (state == GPIO_PIN_RESET) ? PIN_LOW : PIN_HIGH;
 }
 
 static void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_uint8_t mode)
-- 
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