STM32L011F4P6串口进不了中断，急

l986507961

STM32L011F4P6进行串口通信，但是进不了中断，能发数据，就是进不了中断，麻烦看看，附上代码
/**
  ******************************************************************************
  * File Name          : USART.c
  * Description        : This file provides code for the configuration
  *                      of the USART instances.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "usart.h"       
#include "gpio.h"
/* USER CODE BEGIN 0 */
u8 RxBuffer[RxBufferSize];                        //HAL库使用的串口接收缓存
u8 USART2_RX_BUF[100];                                        //串口2接收缓存
u8 USART2_NUM=0;
/* USER CODE END 0 */

UART_HandleTypeDef huart2;

/* USART2 init function */

void MX_USART2_UART_Init(void)
{

  huart2.Instance = USART2;
  huart2.Init.BaudRate = 9600;
  huart2.Init.WordLength = UART_WORDLENGTH_8B;
  huart2.Init.StopBits = UART_STOPBITS_1;
  huart2.Init.Parity = UART_PARITY_NONE;
  huart2.Init.Mode = UART_MODE_TX_RX;
  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
//  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
//  huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
//  huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
//  if (HAL_UART_Init(&huart2) != HAL_OK)
//  {
//    Error_Handler();
//  }
  HAL_UART_Init(&huart2);
  HAL_UART_Receive_IT(&huart2,(u8*)RxBuffer,RxBufferSize);                                //使能串口接收中断
}

void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{

  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(huart->Instance==USART2)
  {
  /* USER CODE BEGIN USART2_MspInit 0 */

  /* USER CODE END USART2_MspInit 0 */
    /* USART2 clock enable */
    __HAL_RCC_USART2_CLK_ENABLE();

    __HAL_RCC_GPIOA_CLK_ENABLE();
    /**USART2 GPIO Configuration   
    PA0-CK_IN     ------> USART2_RX
    PA2     ------> USART2_TX
    */
    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
       

    GPIO_InitStruct.Pin = GPIO_PIN_0;
    GPIO_InitStruct.Mode=GPIO_MODE_INPUT;
        GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;       
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    /* USART2 interrupt Init */
    HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(USART2_IRQn);
        HAL_NVIC_ClearPendingIRQ(USART2_IRQn);       
  /* USER CODE BEGIN USART2_MspInit 1 */
        __HAL_UART_ENABLE_IT(&huart2,UART_IT_RXNE);       
  /* USER CODE END USART2_MspInit 1 */
  }
}

//void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
//{

//  if(uartHandle->Instance==USART2)
//  {
//  /* USER CODE BEGIN USART2_MspDeInit 0 */

//  /* USER CODE END USART2_MspDeInit 0 */
//    /* Peripheral clock disable */
//    __HAL_RCC_USART2_CLK_DISABLE();
//  
//    /**USART2 GPIO Configuration   
//    PA0-CK_IN     ------> USART2_RX
//    PA2     ------> USART2_TX
//    */
//    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0|GPIO_PIN_2);

//    /* USART2 interrupt Deinit */
//    HAL_NVIC_DisableIRQ(USART2_IRQn);
//  /* USER CODE BEGIN USART2_MspDeInit 1 */

//  /* USER CODE END USART2_MspDeInit 1 */
//  }
//}

/* USER CODE BEGIN 1 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
        if(huart->Instance==USART2)
        {
                USART2_RX_BUF[USART2_NUM]=RxBuffer[0];
                HAL_UART_Transmit(&huart2,&USART2_RX_BUF[USART2_NUM],1,1000);
                USART2_NUM++;
        }               
}

void USART2_IRQHandler(void)
{
  /* USER CODE BEGIN USART2_IRQn 0 */
  /* USER CODE END USART2_IRQn 0 */
        HAL_UART_IRQHandler(&huart2);
        while (HAL_UART_GetState(&huart2) != HAL_UART_STATE_READY);//等待就绪
    while(HAL_UART_Receive_IT(&huart2, (u8*)RxBuffer, RxBufferSize) != HAL_OK);

  /* USER CODE BEGIN USART2_IRQn 1 */

  /* USER CODE END USART2_IRQn 1 */
}

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

l986507961

原子哥帮忙看看吧