GPIO_ReadInputDataBit用法

GPIO_ReadInputDataBit函数用于读取指定GPIO引脚的电平状态。该函数的参数包括GPIO端口和GPIO引脚号。例如，如果要读取GPIOA.5的电平状态，可以使用以下方法调用：GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_5)。该函数的返回值为1（Bit_SET）表示引脚电平为高，返回值为0（Bit_RESET）表示引脚电平为低。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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