+

STM32的恒温消毒柜设计

  tmp = (uint8_t)((CSD_Tab[1] & 0x00FF0000) >> 16);
  cardinfo->SD_csd.CardComdClasses |= (tmp & 0xF0) >> 4;
  cardinfo->SD_csd.RdBlockLen = tmp & 0x0F;

  /*!< Byte 6 */
  tmp = (uint8_t)((CSD_Tab[1] & 0x0000FF00) >> 8);
  cardinfo->SD_csd.PartBlockRead = (tmp & 0x80) >> 7;
  cardinfo->SD_csd.WrBlockMisalign = (tmp & 0x40) >> 6;
  cardinfo->SD_csd.RdBlockMisalign = (tmp & 0x20) >> 5;
  cardinfo->SD_csd.DSRImpl = (tmp & 0x10) >> 4;
  cardinfo->SD_csd.Reserved2 = 0; /*!< Reserved */

  if ((CardType == SDIO_STD_CAPACITY_SD_CARD_V1_1) || (CardType == SDIO_STD_CAPACITY_SD_CARD_V2_0))
  {
    cardinfo->SD_csd.DeviceSize = (tmp & 0x03) << 10;

    /*!< Byte 7 */
    tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
    cardinfo->SD_csd.DeviceSize |= (tmp) << 2;

    /*!< Byte 8 */
    tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);
    cardinfo->SD_csd.DeviceSize |= (tmp & 0xC0) >> 6;

    cardinfo->SD_csd.MaxRdCurrentVDDMin = (tmp & 0x38) >> 3;
    cardinfo->SD_csd.MaxRdCurrentVDDMax = (tmp & 0x07);

    /*!< Byte 9 */
    tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);
    cardinfo->SD_csd.MaxWrCurrentVDDMin = (tmp & 0xE0) >> 5;
    cardinfo->SD_csd.MaxWrCurrentVDDMax = (tmp & 0x1C) >> 2;
    cardinfo->SD_csd.DeviceSizeMul = (tmp & 0x03) << 1;
    /*!< Byte 10 */
    tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
    cardinfo->SD_csd.DeviceSizeMul |= (tmp & 0x80) >> 7;
    
    cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) ;
    cardinfo->CardCapacity *= (1 << (cardinfo->SD_csd.DeviceSizeMul + 2));
    cardinfo->CardBlockSize = 1 << (cardinfo->SD_csd.RdBlockLen);
    cardinfo->CardCapacity *= cardinfo->CardBlockSize;
  }
  else if (CardType == SDIO_HIGH_CAPACITY_SD_CARD)
  {
    /*!< Byte 7 */
    tmp = (uint8_t)(CSD_Tab[1] & 0x000000FF);
    cardinfo->SD_csd.DeviceSize = (tmp & 0x3F) << 16;

    /*!< Byte 8 */
    tmp = (uint8_t)((CSD_Tab[2] & 0xFF000000) >> 24);

    cardinfo->SD_csd.DeviceSize |= (tmp << 8);

    /*!< Byte 9 */
    tmp = (uint8_t)((CSD_Tab[2] & 0x00FF0000) >> 16);

    cardinfo->SD_csd.DeviceSize |= (tmp);

    /*!< Byte 10 */
    tmp = (uint8_t)((CSD_Tab[2] & 0x0000FF00) >> 8);
    
    cardinfo->CardCapacity = (cardinfo->SD_csd.DeviceSize + 1) * 512 * 1024;
    cardinfo->CardBlockSize = 512;    
  }


  cardinfo->SD_csd.EraseGrSize = (tmp & 0x40) >> 6;
  cardinfo->SD_csd.EraseGrMul = (tmp & 0x3F) << 1;

  /*!< Byte 11 */
  tmp = (uint8_t)(CSD_Tab[2] & 0x000000FF);
  cardinfo->SD_csd.EraseGrMul |= (tmp & 0x80) >> 7;
  cardinfo->SD_csd.WrProtectGrSize = (tmp & 0x7F);

  /*!< Byte 12 */
  tmp = (uint8_t)((CSD_Tab[3] & 0xFF000000) >> 24);
  cardinfo->SD_csd.WrProtectGrEnable = (tmp & 0x80) >> 7;
  cardinfo->SD_csd.ManDeflECC = (tmp & 0x60) >> 5;
  cardinfo->SD_csd.WrSpeedFact = (tmp & 0x1C) >> 2;
  cardinfo->SD_csd.MaxWrBlockLen = (tmp & 0x03) << 2;

  /*!< Byte 13 */
  tmp = (uint8_t)((CSD_Tab[3] & 0x00FF0000) >> 16);
  cardinfo->SD_csd.MaxWrBlockLen |= (tmp & 0xC0) >> 6;
  cardinfo->SD_csd.WriteBlockPaPartial = (tmp & 0x20) >> 5;
  cardinfo->SD_csd.Reserved3 = 0;
  cardinfo->SD_csd.ContentProtectAppli = (tmp & 0x01);

  /*!< Byte 14 */
  tmp = (uint8_t)((CSD_Tab[3] & 0x0000FF00) >> 8);
  cardinfo->SD_csd.FileFormatGrouop = (tmp & 0x80) >> 7;
  cardinfo->SD_csd.CopyFlag = (tmp & 0x40) >> 6;
  cardinfo->SD_csd.PermWrProtect = (tmp & 0x20) >> 5;
  cardinfo->SD_csd.TempWrProtect = (tmp & 0x10) >> 4;
  cardinfo->SD_csd.FileFormat = (tmp & 0x0C) >> 2;
  cardinfo->SD_csd.ECC = (tmp & 0x03);

  /*!< Byte 15 */
  tmp = (uint8_t)(CSD_Tab[3] & 0x000000FF);
  cardinfo->SD_csd.CSD_CRC = (tmp & 0xFE) >> 1;
  cardinfo->SD_csd.Reserved4 = 1;


  /*!< Byte 0 */
  tmp = (uint8_t)((CID_Tab[0] & 0xFF000000) >> 24);
  cardinfo->SD_cid.ManufacturerID = tmp;

  /*!< Byte 1 */
  tmp = (uint8_t)((CID_Tab[0] & 0x00FF0000) >> 16);
  cardinfo->SD_cid.OEM_AppliID = tmp << 8;

  /*!< Byte 2 */
  tmp = (uint8_t)((CID_Tab[0] & 0x000000FF00) >> 8);
  cardinfo->SD_cid.OEM_AppliID |= tmp;

  /*!< Byte 3 */
  tmp = (uint8_t)(CID_Tab[0] & 0x000000FF);
  cardinfo->SD_cid.ProdName1 = tmp << 24;

  /*!< Byte 4 */
  tmp = (uint8_t)((CID_Tab[1] & 0xFF000000) >> 24);
  cardinfo->SD_cid.ProdName1 |= tmp << 16;

  /*!< Byte 5 */
  tmp = (uint8_t)((CID_Tab[1] & 0x00FF0000) >> 16);
  cardinfo->SD_cid.ProdName1 |= tmp << 8;

  /*!< Byte 6 */
  tmp = (uint8_t)((CID_Tab[1] & 0x0000FF00) >> 8);
  cardinfo->SD_cid.ProdName1 |= tmp;

  /*!< Byte 7 */
  tmp = (uint8_t)(CID_Tab[1] & 0x000000FF);
  cardinfo->SD_cid.ProdName2 = tmp;

  /*!< Byte 8 */
  tmp = (uint8_t)((CID_Tab[2] & 0xFF000000) >> 24);
  cardinfo->SD_cid.ProdRev = tmp;

  /*!< Byte 9 */
  tmp = (uint8_t)((CID_Tab[2] & 0x00FF0000) >> 16);
  cardinfo->SD_cid.ProdSN = tmp << 24;

  /*!< Byte 10 */
  tmp = (uint8_t)((CID_Tab[2] & 0x0000FF00) >> 8);
  cardinfo->SD_cid.ProdSN |= tmp << 16;

  /*!< Byte 11 */
  tmp = (uint8_t)(CID_Tab[2] & 0x000000FF);
  cardinfo->SD_cid.ProdSN |= tmp << 8;

  /*!< Byte 12 */
  tmp = (uint8_t)((CID_Tab[3] & 0xFF000000) >> 24);
  cardinfo->SD_cid.ProdSN |= tmp;

  /*!< Byte 13 */
  tmp = (uint8_t)((CID_Tab[3] & 0x00FF0000) >> 16);
  cardinfo->SD_cid.Reserved1 |= (tmp & 0xF0) >> 4;
  cardinfo->SD_cid.ManufactDate = (tmp & 0x0F) << 8;

  /*!< Byte 14 */
  tmp = (uint8_t)((CID_Tab[3] & 0x0000FF00) >> 8);
  cardinfo->SD_cid.ManufactDate |= tmp;

  /*!< Byte 15 */
  tmp = (uint8_t)(CID_Tab[3] & 0x000000FF);
  cardinfo->SD_cid.CID_CRC = (tmp & 0xFE) >> 1;
  cardinfo->SD_cid.Reserved2 = 1;
  
  return(errorstatus);
}

/**
  * @brief  Enables wide bus opeartion for the requeseted card if supported by 
  *         card.
  * @param  WideMode: Specifies the SD card wide bus mode. 
  *   This parameter can be one of the following values:
  *     @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
  *     @arg SDIO_BusWide_4b: 4-bit data transfer
  *     @arg SDIO_BusWide_1b: 1-bit data transfer
  * @retval SD_Error: SD Card Error code.
  */
SD_Error SD_GetCardStatus(SD_CardStatus *cardstatus)
{
  SD_Error errorstatus = SD_OK;
  uint8_t tmp = 0;

  errorstatus = SD_SendSDStatus((uint32_t *)SDSTATUS_Tab);

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

  /*!< Byte 0 */
  tmp = (uint8_t)((SDSTATUS_Tab[0] & 0xC0) >> 6);
  cardstatus->DAT_BUS_WIDTH = tmp;

  /*!< Byte 0 */
  tmp = (uint8_t)((SDSTATUS_Tab[0] & 0x20) >> 5);
  cardstatus->SECURED_MODE = tmp;

  /*!< Byte 2 */
  tmp = (uint8_t)((SDSTATUS_Tab[2] & 0xFF));
  cardstatus->SD_CARD_TYPE = tmp << 8;

  /*!< Byte 3 */
  tmp = (uint8_t)((SDSTATUS_Tab[3] & 0xFF));
  cardstatus->SD_CARD_TYPE |= tmp;

  /*!< Byte 4 */
  tmp = (uint8_t)(SDSTATUS_Tab[4] & 0xFF);
  cardstatus->SIZE_OF_PROTECTED_AREA = tmp << 24;

  /*!< Byte 5 */
  tmp = (uint8_t)(SDSTATUS_Tab[5] & 0xFF);
  cardstatus->SIZE_OF_PROTECTED_AREA |= tmp << 16;

  /*!< Byte 6 */
  tmp = (uint8_t)(SDSTATUS_Tab[6] & 0xFF);
  cardstatus->SIZE_OF_PROTECTED_AREA |= tmp << 8;

  /*!< Byte 7 */
  tmp = (uint8_t)(SDSTATUS_Tab[7] & 0xFF);
  cardstatus->SIZE_OF_PROTECTED_AREA |= tmp;

  /*!< Byte 8 */
  tmp = (uint8_t)((SDSTATUS_Tab[8] & 0xFF));
  cardstatus->SPEED_CLASS = tmp;

  /*!< Byte 9 */
  tmp = (uint8_t)((SDSTATUS_Tab[9] & 0xFF));
  cardstatus->PERFORMANCE_MOVE = tmp;

  /*!< Byte 10 */
  tmp = (uint8_t)((SDSTATUS_Tab[10] & 0xF0) >> 4);
  cardstatus->AU_SIZE = tmp;

  /*!< Byte 11 */
  tmp = (uint8_t)(SDSTATUS_Tab[11] & 0xFF);
  cardstatus->ERASE_SIZE = tmp << 8;

  /*!< Byte 12 */
  tmp = (uint8_t)(SDSTATUS_Tab[12] & 0xFF);
  cardstatus->ERASE_SIZE |= tmp;

  /*!< Byte 13 */
  tmp = (uint8_t)((SDSTATUS_Tab[13] & 0xFC) >> 2);
  cardstatus->ERASE_TIMEOUT = tmp;

  /*!< Byte 13 */
  tmp = (uint8_t)((SDSTATUS_Tab[13] & 0x3));
  cardstatus->ERASE_OFFSET = tmp;
 
  return(errorstatus);
}


/*
 * 函数名：SD_EnableWideBusOperation
 * 描述  ：配置卡的数据宽度(但得看卡是否支持)
 * 输入  ：-WideMode 指定SD卡的数据线宽
 *         具体可配置如下
 *         @arg SDIO_BusWide_8b: 8-bit data transfer (Only for MMC)
 *         @arg SDIO_BusWide_4b: 4-bit data transfer
 *         @arg SDIO_BusWide_1b: 1-bit data transfer (默认)
 * 输出  ：-SD_Error SD卡错误代码
 *         成功时则为 SD_OK
 * 调用  ：外部调用
 */
SD_Error SD_EnableWideBusOperation(uint32_t WideMode)
{
  SD_Error errorstatus = SD_OK;

  /*!< MMC Card doesn't support this feature */
  if (SDIO_MULTIMEDIA_CARD == CardType)
  {
    errorstatus = SD_UNSUPPORTED_FEATURE;
    return(errorstatus);
  }
  else if ((SDIO_STD_CAPACITY_SD_CARD_V1_1 == CardType) || (SDIO_STD_CAPACITY_SD_CARD_V2_0 == CardType) || (SDIO_HIGH_CAPACITY_SD_CARD == CardType))
  {														 
    if (SDIO_BusWide_8b == WideMode)   //2.0 sd不支持8bits
    {
      errorstatus = SD_UNSUPPORTED_FEATURE;
      return(errorstatus);
    }
    else if (SDIO_BusWide_4b == WideMode)//4数据线模式
    {
      errorstatus = SDEnWideBus(ENABLE);//使用acmd6设置总线宽度，设置卡的传输方式

      if (SD_OK == errorstatus)
      {
        /*!< Configure the SDIO peripheral */
        SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_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_4b;	//这个是设置stm32的sdio的传输方式 ，切换模式必须从卡和sdio都对应好
        SDIO_InitStructure.SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
        SDIO_Init(&SDIO_InitStructure);
      }
    }
    else//单数据线模式
    {
      errorstatus = SDEnWideBus(DISABLE);

      if (SD_OK == errorstatus)
      {
        /*!< Configure the SDIO peripheral */
        SDIO_InitStructure.SDIO_ClockDiv = SDIO_TRANSFER_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);
      }
    }
  }

  return(errorstatus);
}

/*
 * 函数名：SD_SelectDeselect
 * 描述  ：利用cmd7，选择卡相对地址为addr的卡，取消选择其它卡
 *   		如果addr = 0,则取消选择所有的卡
 * 输入  ：-addr 选择卡的地址
 * 输出  ：-SD_Error SD卡错误代码
 *         成功时则为 SD_OK
 * 调用  ：外部调用
 */	
SD_Error SD_SelectDeselect(uint32_t addr)
{
  SD_Error errorstatus = SD_OK;

  /*!< Send CMD7 SDIO_SEL_DESEL_CARD */
  SDIO_CmdInitStructure.SDIO_Argument =  addr;
  SDIO_CmdInitStructure.SDIO_CmdIndex = SD_CMD_SEL_DESEL_CARD;
  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_SEL_DESEL_CARD);

  return(errorstatus);
}

/**
  * @brief  Allows to read one block from a specified address in a card. The Data
  *         transfer can be managed by DMA mode or Polling mode. 
  * @note   This operation should be followed by two functions to check if the 
  *         DMA Controller and SD Card status.
  *          - SD_ReadWaitOperation(): this function insure that the DMA
  *            controller has finished all data transfer.
  *          - SD_GetStatus(): to check that the SD Card has finished the 
  *            data transfer and it is ready for data.            
  * @param  readbuff: pointer to the buffer that will contain the received data
  * @param  ReadAddr: Address from where data are to be read.  
  * @param  BlockSize: the SD card Data block size. The Block size should be 512.