STM32 MINI开发板，串口例程（库），能发送，但是无法进入接收中断，同仁请给点帮助，谢谢

stm32_student

//初始化
void uart_init(u32 bound){
    //GPIO?????è??
    GPIO_InitTypeDef GPIO_InitStructure;
    USART_InitTypeDef USART_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;
    
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO, ENABLE);
     //USART1_TX   PA.9
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
  
    //USART1_RX      PA.10
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOA, &GPIO_InitStructure); 

   //Usart1 NVIC ????

    NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3 ;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;        //

    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;            //IRQ?¨??????
    NVIC_Init(&NVIC_InitStructure);    //?ù??NVIC_InitStruct?????¨???????????????èNVIC?????÷USART1
 
   //USART ???????è??
  
    USART_InitStructure.USART_BaudRate = bound;//??°??è????9600;
    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_ITConfig(USART1, USART_IT_RXNE, ENABLE);//????????
  
    USART_Cmd(USART1, ENABLE);                    //????????

}
//中断函数
void USART1_IRQHandler(void)                    //????1????·??????ò
    {
    u8 Res;
    if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)  //????????(????????????±?????0x0d 0x0a?á??)
        {
        Res =USART_ReceiveData(USART1);//(USART1->DR);    //????????????????
       
        if((USART_RX_STA&0x80)==0)//???????ê??
            {
            if(USART_RX_STA&0x40)//????????0x0d
                {
                if(Res!=0x0a)USART_RX_STA=0;//?????í?ó,????????
                else USART_RX_STA|=0x80;    //?????ê????
                }
            else //????????0X0D
                {   
                if(Res==0x0d)USART_RX_STA|=0x40;
                else
                    {
                    USART_RX_BUF[USART_RX_STA&0X3F]=Res ;
                    USART_RX_STA++;
                    if(USART_RX_STA>63)USART_RX_STA=0;//?????????í?ó,????????????     
                    }         
                }
            }            
     }
}

stm32_student

不好意思，终于找到原因了
仿真器没有设置好

l692519765

回复【2楼】stm32_student:
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我现在也是无法进入中断，请问你怎么处理的呢。