STM32F429开发板SD卡初始化死机

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static HAL_SD_ErrorTypedef SD_FindSCR(SD_HandleTypeDef *hsd, uint32_t *pSCR)
{
  SDIO_CmdInitTypeDef  sdio_cmdinitstructure;
  SDIO_DataInitTypeDef sdio_datainitstructure;
  HAL_SD_ErrorTypedef errorstate = SD_OK;
  uint32_t index = 0;
  uint32_t tempscr[2] = {0, 0};

  /* Set Block Size To 8 Bytes */
  /* Send CMD55 APP_CMD with argument as card's RCA */
  sdio_cmdinitstructure.Argument         = (uint32_t)8;
  sdio_cmdinitstructure.CmdIndex         = SD_CMD_SET_BLOCKLEN;
  sdio_cmdinitstructure.Response         = SDIO_RESPONSE_SHORT;
  sdio_cmdinitstructure.WaitForInterrupt = SDIO_WAIT_NO;
  sdio_cmdinitstructure.CPSM             = SDIO_CPSM_ENABLE;
  SDIO_SendCommand(hsd->Instance, &sdio_cmdinitstructure);

  /* Check for error conditions */
  errorstate = SD_CmdResp1Error(hsd, SD_CMD_SET_BLOCKLEN);

  if(errorstate != SD_OK)
  {
    return errorstate;
  }

  /* Send CMD55 APP_CMD with argument as card's RCA */
  sdio_cmdinitstructure.Argument         = (uint32_t)((hsd->RCA) << 16);
  sdio_cmdinitstructure.CmdIndex         = SD_CMD_APP_CMD;
  SDIO_SendCommand(hsd->Instance, &sdio_cmdinitstructure);

  /* Check for error conditions */
  errorstate = SD_CmdResp1Error(hsd, SD_CMD_APP_CMD);

  if(errorstate != SD_OK)
  {
    return errorstate;
  }
  sdio_datainitstructure.DataTimeOut   = SD_DATATIMEOUT;
  sdio_datainitstructure.DataLength    = 8;
  sdio_datainitstructure.DataBlockSize = SDIO_DATABLOCK_SIZE_8B;
  sdio_datainitstructure.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  sdio_datainitstructure.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  sdio_datainitstructure.DPSM          = SDIO_DPSM_ENABLE;
  SDIO_DataConfig(hsd->Instance, &sdio_datainitstructure);

  /* Send ACMD51 SD_APP_SEND_SCR with argument as 0 */
  sdio_cmdinitstructure.Argument         = 0;
  sdio_cmdinitstructure.CmdIndex         = SD_CMD_SD_APP_SEND_SCR;
  SDIO_SendCommand(hsd->Instance, &sdio_cmdinitstructure);

  /* Check for error conditions */
  errorstate = SD_CmdResp1Error(hsd, SD_CMD_SD_APP_SEND_SCR);

  if(errorstate != SD_OK)
  {
    return errorstate;
  }
#ifdef SDIO_STA_STBITERR  
while(!__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND | SDIO_FLAG_STBITERR))
#else /* SDIO_STA_STBITERR not defined */
  while(!__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DBCKEND))
#endif /* SDIO_STA_STBITERR */
  {
    if(__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_RXDAVL))
    {
      *(tempscr + index) = SDIO_ReadFIFO(hsd->Instance);
      index++;
    }
  }

  if(__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_DTIMEOUT))
  {
    __HAL_SD_SDIO_CLEAR_FLAG(hsd, SDIO_FLAG_DTIMEOUT);

    errorstate = SD_DATA_TIMEOUT;

    return errorstate;
  }
  else if(__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_DCRCFAIL))
  {
    __HAL_SD_SDIO_CLEAR_FLAG(hsd, SDIO_FLAG_DCRCFAIL);

    errorstate = SD_DATA_CRC_FAIL;

    return errorstate;
  }
  else if(__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_RXOVERR))
  {
    __HAL_SD_SDIO_CLEAR_FLAG(hsd, SDIO_FLAG_RXOVERR);

    errorstate = SD_RX_OVERRUN;

    return errorstate;
  }
#ifdef SDIO_STA_STBITERR
  else if(__HAL_SD_SDIO_GET_FLAG(hsd, SDIO_FLAG_STBITERR))
  {
    __HAL_SD_SDIO_CLEAR_FLAG(hsd, SDIO_FLAG_STBITERR);

    errorstate = SD_START_BIT_ERR;

    return errorstate;
  }
#endif /* SDIO_STA_STBITERR */
  else
  {
    /* No error flag set */
  }

  /* Clear all the static flags */
  __HAL_SD_SDIO_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);

  *(pSCR + 1) = ((tempscr[0] & SD_0TO7BITS) << 24)  | ((tempscr[0] & SD_8TO15BITS) << 8) |\
    ((tempscr[0] & SD_16TO23BITS) >> 8) | ((tempscr[0] & SD_24TO31BITS) >> 24);

  *(pSCR) = ((tempscr[1] & SD_0TO7BITS) << 24)  | ((tempscr[1] & SD_8TO15BITS) << 8) |\
    ((tempscr[1] & SD_16TO23BITS) >> 8) | ((tempscr[1] & SD_24TO31BITS) >> 24);

  return errorstate;
}
STM32F429开发板在什么情况下，SD卡初始化时会在上面红色的部分一直循环