__HAL_UART_GET_FLAG(&huart1, UART_FLAG_RXNE)
时间: 2023-08-20 22:05:45 浏览: 230
uart.zip_HAL_USART_hal uart_hal usart 中断_hal库 uart
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__HAL_UART_GET_FLAG(&huart1, UART_FLAG_RXNE)是一个函数调用,用于检查UART1接收寄存器是否非空。 在这个函数中,通过检查UART_FLAG_RXNE标志位来确定接收寄存器是否有数据。如果该标志位为RESET,表示接收寄存器为空,如果为SET,表示接收寄存器非空。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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