我用官方的407库文件移植SD卡驱动，我看了官方的流程，大致是 上电->CMD0 -> CMD8 ->CMD55 -> ACMD41    ....................
我在上电后，加了74个时钟脉冲，然后程序运行到CMD55命令式，不能返回SD_OK  而是返回的是：SD_ILLEGAL_CMD  官方的解释是：= (16), /*!< Command is not legal for the card state */
但是我换了好几张卡，都是这个样子的，请教高手，该如何解决

下面是源程序：
__IO SD_Error errorstatus = SD_OK;
  uint32_t response = 0, count = 0, validvoltage = 0;
  uint32_t SDType = SD_STD_CAPACITY;
 /*?????????±?ò??72???±??*/
 unsigned int TempCnt;
  /*!< Power ON Sequence -----------------------------------------------------*/
  /*!< Configure the SDIO peripheral */
  /*!< SDIO_CK = SDIOCLK / (SDIO_INIT_CLK_DIV + 2) */
  /*!< on STM32F4xx devices, SDIOCLK is fixed to 48MHz */
  /*!< SDIO_CK for initialization should not exceed 400 KHz */ 
  SDIO_InitStructure.SDIO_ClockDiv = SDIO_INIT_CLK_DIV;
  SDIO_InitStructure.SDIO_ClockEdge = SDIO_ClockEdge_Rising;
  SDIO_InitStructure.SDIO_ClockBypass = SDIO_ClockBypass_Disable;
  SDIO_InitStructure.SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
  SDIO_InitStructure.SDIO_BusWide = SDIO_BusWide_1b;
  SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
  SDIO_Init(&SDIO_InitStructure);   /*!< Set Power State to ON */
  SDIO_SetPowerState(SDIO_PowerState_ON);
// delay_ms(5000);   /*???±????SD?¨?????ê??*/   
  /*!< Enable SDIO Clock */
  SDIO_ClockCmd(ENABLE);
 delay_ms(1);
 /********************************·???74???±??******************************/
 SDIO_CmdInitStructure.SDIO_Argument = 0x0;
  SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_GO_IDLE_STATE;
  SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
  SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
  SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
 for(TempCnt=0;TempCnt<74;TempCnt++)
  {
   SDIO_SendCommand(&SDIO_CmdInitStructure);
   CmdError();
  }
 /*************************************************************************/
  /*!< CMD0: GO_IDLE_STATE ---------------------------------------------------*/
  /*!< No CMD response required */
  SDIO_CmdInitStructure.SDIO_Argument = 0x0;
  SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_GO_IDLE_STATE;
  SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_No;
  SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
  SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
  SDIO_SendCommand(&SDIO_CmdInitStructure);
  
  errorstatus = CmdError();
  
  if (errorstatus != SD_OK)
  {
    /*!< CMD Response TimeOut (wait for CMDSENT flag) */
    return(errorstatus);
  }
  /*!< CMD8: SEND_IF_COND ----------------------------------------------------*/
  /*!< Send CMD8 to verify SD card interface operating condition */
  /*!< Argument: - [31:12]: Reserved (shall be set to '0')
               - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
               - [7:0]: Check Pattern (recommended 0xAA) */
  /*!< CMD Response: R7 */
  SDIO_CmdInitStructure.SDIO_Argument = SD_CHECK_PATTERN;
  SDIO_CmdInitStructure.SDIO_CmdIndex = SDIO_SEND_IF_COND;
  SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
  SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
  SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
  SDIO_SendCommand(&SDIO_CmdInitStructure);   errorstatus = CmdResp7Error();
 
  if (errorstatus == SD_OK)
  {
    CardType = SDIO_STD_CAPACITY_SD_CARD_V2_0; /*!< SD Card 2.0 */
    SDType = SD_HIGH_CAPACITY;
  rintfDebugCharParameter("SDCard V2.0: ",&errorstatus,1);
  }
  else
  {
    /*!< CMD55 */
    SDIO_CmdInitStructure.SDIO_Argument = 0x00;
    SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_APP_CMD;
    SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
    SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
    SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
    SDIO_SendCommand(&SDIO_CmdInitStructure);
    errorstatus = CmdResp1Error(SD_CMD_APP_CMD);
  }
  /*!< CMD55 */
  SDIO_CmdInitStructure.SDIO_Argument = 0x00;
  SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_APP_CMD;
  SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
  SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
  SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
  SDIO_SendCommand(&SDIO_CmdInitStructure);
  errorstatus = CmdResp1Error(SD_CMD_APP_CMD);   /*!< If errorstatus is Command TimeOut, it is a MMC card */
  /*!< If errorstatus is SD_OK it is a SD card: SD card 2.0 (voltage range mismatch)
     or SD card 1.x */
  if (errorstatus == SD_OK)
  {
    /*!< SD CARD */
    /*!< Send ACMD41 SD_APP_OP_COND with Argument 0x80100000 */
    while ((!validvoltage) && (count < SD_MAX_VOLT_TRIAL))
    {       /*!< SEND CMD55 APP_CMD with RCA as 0 */
      SDIO_CmdInitStructure.SDIO_Argument = 0x00;
      SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_APP_CMD;
      SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
      SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
      SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
      SDIO_SendCommand(&SDIO_CmdInitStructure);       errorstatus = CmdResp1Error(SD_CMD_APP_CMD);       if (errorstatus != SD_OK)
      {
    rintfDebugCharParameter("CMD55 Failed errorstatus: ",&errorstatus,1);
    continue ;
        return(errorstatus);
      }
   rintfDebugCharParameter("CMD55 Successed! ",&errorstatus,1);
   
      SDIO_CmdInitStructure.SDIO_Argument = SD_VOLTAGE_WINDOW_SD | SDType;
      SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_SD_APP_OP_COND;
      SDIO_CmdInitStructure.SDIO_Response = SDIO_Response_Short;
      SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
      SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
      SDIO_SendCommand(&SDIO_CmdInitStructure);       errorstatus = CmdResp3Error();
      if (errorstatus != SD_OK)
      {
        return(errorstatus);
      }       response = SDIO_GetResponse(SDIO_RESP1);
      validvoltage = (((response >> 31) == 1) ? 1 : 0);
      count++;
    }
    if (count >= SD_MAX_VOLT_TRIAL)
    {
      errorstatus = SD_INVALID_VOLTRANGE;
      return(errorstatus);
    }     if (response &= SD_HIGH_CAPACITY)
    {
      CardType = SDIO_HIGH_CAPACITY_SD_CARD;
    }   }/*!< else MMC Card */   return(errorstatus);
}