[stm32][pin] 修复GPIO驱动警告
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@ -217,16 +217,16 @@ static rt_int8_t stm32_pin_read(rt_device_t dev, rt_base_t pin)
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{
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GPIO_TypeDef *gpio_port;
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uint16_t gpio_pin;
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GPIO_PinState value = PIN_LOW;
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GPIO_PinState state;
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if (PIN_PORT(pin) < PIN_STPORT_MAX)
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{
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gpio_port = PIN_STPORT(pin);
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gpio_pin = PIN_STPIN(pin);
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value = HAL_GPIO_ReadPin(gpio_port, gpio_pin);
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state = HAL_GPIO_ReadPin(gpio_port, gpio_pin);
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}
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return value;
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return (state == GPIO_PIN_RESET) ? PIN_LOW : PIN_HIGH;
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}
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static void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_uint8_t mode)
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