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

}