USART_HardwareFlowControl= USART_HardwareFlowControl_None;//无流控 USART_InitStructure.USART_Mode= USART_Mode_Tx;//输出发送 USART_InitStructure.USART_Parity= USART_Parity_No;//Odd奇、Even偶、No无校验 USART_InitStructure.USART_StopBits= USART_StopBits_1;//停止位长度 USART_InitStructure.USART_...
USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx|USART_Mode_Rx; USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1,ENABLE);//使能串口 //配置DMA DMA_DeInit(DM...
USART_InitStructure.USART_Parity = USART_Parity_No; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_InitStructure.USART_Clock = USART_Clock_Disable; USART_InitStructure.USART_CPOL = USART_CPOL_Low;...
FlowControl=USART_HardwareFlowControl_None;// 配置工作模式,收发一起USART_InitStructure.USART_Mode=USART_Mode_Rx|USART_Mode_Tx;// 完成串口的初始化配置USART_Init(DEBUG_USARTx,&USART_InitStructure);// 串口中断优先级配置NVIC_Configuration();// 使能串口接收中断USART_ITConfig(DEBUG_USARTx,USART_IT_RXNE...
围绕着发送器和接收器控制部分,有好多个寄存器 : CR1 、 CR2、 CR3 和 SR,即USART 的三个控制寄存器( Control Register)及一个状态寄存器( Status Register)。通过向寄存器写入 各种控制参数来控制发送和接收,如奇偶校验位、停止位等,还包括对USART 中断的控制 ;串口的状态在任何时候都可以从状态寄存器中查询得到...
6 = USART_HardwareFlowControl_None; //无硬件数据流控制 7 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //收发模式 8 USART_Init(USART1, &USART_InitStructure); //初始化串口 从上面的初始化格式可以看出初始化需要设置的参数为:波特率,字长,停止位,奇偶校验位,硬件数据流控制,模式...
USART_InitStruct.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_Init(DEBUG_USARTx, &USART_InitStruct); // 设置NVIC NVIC_Config(); // 使能串口接收中断 USART_ITConfig(DEBUG_USARTx, USART_IT_RXNE, ENABLE); // 使能串口 ...
相关知识点: 试题来源: 解析 9600 ;USART_WordLength_9b;USART_StopBits_1b;USART_Parity_Even;USART_HardwareFlowControl_None ;USART_Mode_Tx | USART_Mode_Rx; 反馈 收藏
(3) USART_InitStructure.USART_StopBits = USART_StopBits_1; (4) USART_InitStructure.USART_Parity = USART_Parity_No ; (5) USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;(6) USART_Init(USART1, &...
USART_HardwareFlowControl = USART_HardwareFlowControl_None; // 配置工作模式,收发一起 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; // 完成串口的初始化配置 USART_Init(DEBUG_USARTx, &USART_InitStructure); // 使能串口 USART_Cmd(DEBUG_USARTx, ENABLE); } 该配置函数跟上一个...