STM32F07xx单片机串口1重映射配置

void USART1_Config(unsigned int BaudRate)
{
    
    
    GPIO_InitTypeDef GPIO_InitStructure;
	USART_InitTypeDef USART_InitStructure;
	NVIC_InitTypeDef NVIC_InitStructure;
/**********************************************************************************************************************
**************************************************串口一******************************************************
***********************************************************************************************************************/	
	
	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB,ENABLE); 
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);
 
	//串口1对应引脚复用映射
	GPIO_PinAFConfig(GPIOB,GPIO_PinSource6,GPIO_AF_0); 
	GPIO_PinAFConfig(GPIOB,GPIO_PinSource7,GPIO_AF_0); 
	
	//USART1端口配置
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;	
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; 
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; 
	GPIO_Init(GPIOB,&GPIO_InitStructure); 
 
  //USART1 初始化设置
	USART_InitStructure.USART_BaudRate = BaudRate;
	USART_InitStructure.USART_WordLength = USART_WordLength_8b;
	USART_InitStructure.USART_StopBits = USART_StopBits_1;
	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_Init(USART1, &USART_InitStructure); 
	
    USART_Cmd(USART1, ENABLE);  //使能串口1
	//USART_ClearFlag(USART2, USART_FLAG_TC);
	
	USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//开启相关中断
 
	//Usart1 NVIC 配置
    NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;//串口1中断通道
	NVIC_InitStructure.NVIC_IRQChannelPriority=0;//抢占优先级0
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;			//IRQ通道使能
	NVIC_Init(&NVIC_InitStructure);	//根据指定的参数初始化VIC寄存器
}

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转载自blog.csdn.net/qq_37449342/article/details/102800861