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[stm32][pin] 修复GPIO驱动警告

This commit is contained in:
Meco Man 2023-03-19 21:10:02 -04:00 committed by Man, Jianting (Meco)
parent a538b26858
commit b33e1cbf68
1 changed files with 3 additions and 3 deletions
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6
bsp/stm32/libraries/HAL_Drivers/drv_gpio.c
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@ -217,16 +217,16 @@ static rt_int8_t stm32_pin_read(rt_device_t dev, rt_base_t pin)
{ {
GPIO_TypeDef *gpio_port; GPIO_TypeDef *gpio_port;
uint16_t gpio_pin; uint16_t gpio_pin;
GPIO_PinState value = PIN_LOW; GPIO_PinState state;
if (PIN_PORT(pin) < PIN_STPORT_MAX) if (PIN_PORT(pin) < PIN_STPORT_MAX)
{ {
gpio_port = PIN_STPORT(pin); gpio_port = PIN_STPORT(pin);
gpio_pin = PIN_STPIN(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) static void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_uint8_t mode)