STM32CubeMX. Проблема в инициализации DMA

static void MX_DMA_Init(void)
{
 
  /* DMA controller clock enable */
  __HAL_RCC_DMA2_CLK_ENABLE();
 
  /* DMA interrupt init */
  /* DMA2_Channel3_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Channel3_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(DMA2_Channel3_IRQn);
 
}

static void MX_DMA_Init(void)
{
 
  /* DMA controller clock enable */
  __HAL_RCC_DMA2_CLK_ENABLE();
 
  /******************************************************************/
  hdma_tim8_ch1.Init.Direction = DMA_MEMORY_TO_PERIPH;
  hdma_tim8_ch1.Init.PeriphInc = DMA_PINC_DISABLE;
  hdma_tim8_ch1.Init.MemInc = DMA_MINC_ENABLE;
  hdma_tim8_ch1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
  hdma_tim8_ch1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
  hdma_tim8_ch1.Init.Mode = DMA_NORMAL;
  hdma_tim8_ch1.Init.Priority = DMA_PRIORITY_LOW;
  /******************************************************************/
 
  /* DMA interrupt init */
  /* DMA2_Channel3_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(DMA2_Channel3_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(DMA2_Channel3_IRQn);
  HAL_DMA_Init(&hdma_tim8_ch1);
 
}

HAL_StatusTypeDef HAL_DMA_Init(DMA_HandleTypeDef *hdma)
{ 
  uint32_t tmp = 0U;
  
  /* Check the DMA handle allocation */
  if(NULL == hdma)
  {
    return HAL_ERROR;
  }
  
  /* Check the parameters */
  assert_param(IS_DMA_ALL_INSTANCE(hdma->Instance));
  assert_param(IS_DMA_DIRECTION(hdma->Init.Direction));
  assert_param(IS_DMA_PERIPHERAL_INC_STATE(hdma->Init.PeriphInc));
  assert_param(IS_DMA_MEMORY_INC_STATE(hdma->Init.MemInc));
  assert_param(IS_DMA_PERIPHERAL_DATA_SIZE(hdma->Init.PeriphDataAlignment));
  assert_param(IS_DMA_MEMORY_DATA_SIZE(hdma->Init.MemDataAlignment));
  assert_param(IS_DMA_MODE(hdma->Init.Mode));
  assert_param(IS_DMA_PRIORITY(hdma->Init.Priority));
  
  /* Change DMA peripheral state */
  hdma->State = HAL_DMA_STATE_BUSY;
 
  /* Get the CR register value */
  tmp = hdma->Instance->CCR;
  
  /* Clear PL, MSIZE, PSIZE, MINC, PINC, CIRC, DIR bits */
  tmp &= ((uint32_t)~(DMA_CCR_PL    | DMA_CCR_MSIZE  | DMA_CCR_PSIZE  | \
                      DMA_CCR_MINC  | DMA_CCR_PINC   | DMA_CCR_CIRC   | \
                      DMA_CCR_DIR));
  
  /* Prepare the DMA Channel configuration */
  tmp |=  hdma->Init.Direction        |
          hdma->Init.PeriphInc           | hdma->Init.MemInc           |
          hdma->Init.PeriphDataAlignment | hdma->Init.MemDataAlignment |
          hdma->Init.Mode                | hdma->Init.Priority;
 
  /* Write to DMA Channel CR register */
  hdma->Instance->CCR = tmp;  
  
  /* Initialize DmaBaseAddress and ChannelIndex parameters used 
     by HAL_DMA_IRQHandler() and HAL_DMA_PollForTransfer() */
  DMA_CalcBaseAndBitshift(hdma);
  
  /* Initialise the error code */
  hdma->ErrorCode = HAL_DMA_ERROR_NONE;
 
  /* Initialize the DMA state*/
  hdma->State = HAL_DMA_STATE_READY;
  
  /* Allocate lock resource and initialize it */
  hdma->Lock = HAL_UNLOCKED;
  
  return HAL_OK;
}