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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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