STM32 串口配置 注意事项

 USART_InitStructure.USART_BaudRate = 9600;

 USART_InitStructure.USART_WordLength = USART_WordLength_9b;  //此处在有奇偶校验时需要9个数据位，无奇偶校验时8个数据位

 USART_InitStructure.USART_StopBits = USART_StopBits_1;

 USART_InitStructure.USART_Parity = USART_Parity_Even;//偶校验

 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;

 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; 

 USART_Init(USART1,&USART_InitStructure);