stm32f4xx_hal_mmc.c

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/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
 
#ifdef HAL_MMC_MODULE_ENABLED
 
#if defined(SDIO)
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#if defined (VDD_VALUE) && (VDD_VALUE <= 1950U)
#define MMC_VOLTAGE_RANGE               EMMC_LOW_VOLTAGE_RANGE
 
#define MMC_EXT_CSD_PWR_CL_26_INDEX     201
#define MMC_EXT_CSD_PWR_CL_52_INDEX     200
#define MMC_EXT_CSD_PWR_CL_DDR_52_INDEX 238
 
#define MMC_EXT_CSD_PWR_CL_26_POS       8
#define MMC_EXT_CSD_PWR_CL_52_POS       0
#define MMC_EXT_CSD_PWR_CL_DDR_52_POS   16
#else
#define MMC_VOLTAGE_RANGE               EMMC_HIGH_VOLTAGE_RANGE
 
#define MMC_EXT_CSD_PWR_CL_26_INDEX     203
#define MMC_EXT_CSD_PWR_CL_52_INDEX     202
#define MMC_EXT_CSD_PWR_CL_DDR_52_INDEX 239
 
#define MMC_EXT_CSD_PWR_CL_26_POS       24
#define MMC_EXT_CSD_PWR_CL_52_POS       16
#define MMC_EXT_CSD_PWR_CL_DDR_52_POS   24
#endif
 
/* Frequencies used in the driver for clock divider calculation */
#define MMC_INIT_FREQ                   400000U   /* Initialization phase : 400 kHz max */
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
static uint32_t MMC_InitCard(MMC_HandleTypeDef *hmmc);
static uint32_t MMC_PowerON(MMC_HandleTypeDef *hmmc);
static uint32_t MMC_SendStatus(MMC_HandleTypeDef *hmmc, uint32_t *pCardStatus);
static uint32_t MMC_ReadExtCSD(MMC_HandleTypeDef *hmmc, uint32_t *pFieldData, uint16_t FieldIndex, uint32_t Timeout);
static void     MMC_PowerOFF(MMC_HandleTypeDef *hmmc);
static void     MMC_Write_IT(MMC_HandleTypeDef *hmmc);
static void     MMC_Read_IT(MMC_HandleTypeDef *hmmc);
static void     MMC_DMATransmitCplt(DMA_HandleTypeDef *hdma);
static void     MMC_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
static void     MMC_DMAError(DMA_HandleTypeDef *hdma);
static void     MMC_DMATxAbort(DMA_HandleTypeDef *hdma);
static void     MMC_DMARxAbort(DMA_HandleTypeDef *hdma);
static uint32_t MMC_PwrClassUpdate(MMC_HandleTypeDef *hmmc, uint32_t Wide);
/* Exported functions --------------------------------------------------------*/
HAL_StatusTypeDef HAL_MMC_Init(MMC_HandleTypeDef *hmmc)
{
  /* Check the MMC handle allocation */
  if(hmmc == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_SDIO_ALL_INSTANCE(hmmc->Instance));
  assert_param(IS_SDIO_CLOCK_EDGE(hmmc->Init.ClockEdge));
  assert_param(IS_SDIO_CLOCK_BYPASS(hmmc->Init.ClockBypass));
  assert_param(IS_SDIO_CLOCK_POWER_SAVE(hmmc->Init.ClockPowerSave));
  assert_param(IS_SDIO_BUS_WIDE(hmmc->Init.BusWide));
  assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(hmmc->Init.HardwareFlowControl));
  assert_param(IS_SDIO_CLKDIV(hmmc->Init.ClockDiv));
 
  if(hmmc->State == HAL_MMC_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    hmmc->Lock = HAL_UNLOCKED;
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
    /* Reset Callback pointers in HAL_MMC_STATE_RESET only */
    hmmc->TxCpltCallback    = HAL_MMC_TxCpltCallback;
    hmmc->RxCpltCallback    = HAL_MMC_RxCpltCallback;
    hmmc->ErrorCallback     = HAL_MMC_ErrorCallback;
    hmmc->AbortCpltCallback = HAL_MMC_AbortCallback;
 
    if(hmmc->MspInitCallback == NULL)
    {
      hmmc->MspInitCallback = HAL_MMC_MspInit;
    }
 
    /* Init the low level hardware */
    hmmc->MspInitCallback(hmmc);
#else
    /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */
    HAL_MMC_MspInit(hmmc);
#endif
  }
 
  hmmc->State = HAL_MMC_STATE_BUSY;
 
  /* Initialize the Card parameters */
  if(HAL_MMC_InitCard(hmmc) == HAL_ERROR)
  {
    return HAL_ERROR;
  }
 
  /* Initialize the error code */
  hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
  /* Initialize the MMC operation */
  hmmc->Context = MMC_CONTEXT_NONE;
 
  /* Initialize the MMC state */
  hmmc->State = HAL_MMC_STATE_READY;
 
  /* Configure bus width */
  if (hmmc->Init.BusWide != SDIO_BUS_WIDE_1B)
  {
    if (HAL_MMC_ConfigWideBusOperation(hmmc, hmmc->Init.BusWide) != HAL_OK)
    {
      return HAL_ERROR;
    }
  }
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_InitCard(MMC_HandleTypeDef *hmmc)
{
  uint32_t errorstate;
  MMC_InitTypeDef Init;
  HAL_StatusTypeDef status;
  
  /* Default SDIO peripheral configuration for MMC card initialization */
  Init.ClockEdge           = SDIO_CLOCK_EDGE_RISING;
  Init.ClockBypass         = SDIO_CLOCK_BYPASS_DISABLE;
  Init.ClockPowerSave      = SDIO_CLOCK_POWER_SAVE_DISABLE;
  Init.BusWide             = SDIO_BUS_WIDE_1B;
  Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
  Init.ClockDiv            = SDIO_INIT_CLK_DIV;
 
  /* Initialize SDIO peripheral interface with default configuration */
  status = SDIO_Init(hmmc->Instance, Init);
  if(status == HAL_ERROR)
  {
    return HAL_ERROR;
  }
 
  /* Disable SDIO Clock */
  __HAL_MMC_DISABLE(hmmc); 
  
  /* Set Power State to ON */
  status = SDIO_PowerState_ON(hmmc->Instance);
  if(status == HAL_ERROR)
  {
    return HAL_ERROR;
  }
 
  /* Enable MMC Clock */
  __HAL_MMC_ENABLE(hmmc);
 
  /* Required power up waiting time before starting the MMC initialization  sequence */
  HAL_Delay(2);
 
  /* Identify card operating voltage */
  errorstate = MMC_PowerON(hmmc);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    hmmc->State = HAL_MMC_STATE_READY;
    hmmc->ErrorCode |= errorstate;
    return HAL_ERROR;
  }
 
  /* Card initialization */
  errorstate = MMC_InitCard(hmmc);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    hmmc->State = HAL_MMC_STATE_READY;
    hmmc->ErrorCode |= errorstate;
    return HAL_ERROR;
  }
 
  /* Set Block Size for Card */
  errorstate = SDMMC_CmdBlockLength(hmmc->Instance, MMC_BLOCKSIZE);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
    hmmc->ErrorCode |= errorstate;
    hmmc->State = HAL_MMC_STATE_READY;
    return HAL_ERROR;
  }
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_DeInit(MMC_HandleTypeDef *hmmc)
{
  /* Check the MMC handle allocation */
  if(hmmc == NULL)
  {
    return HAL_ERROR;
  }
 
  /* Check the parameters */
  assert_param(IS_SDIO_ALL_INSTANCE(hmmc->Instance));
 
  hmmc->State = HAL_MMC_STATE_BUSY;
 
  /* Set MMC power state to off */
  MMC_PowerOFF(hmmc);
 
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  if(hmmc->MspDeInitCallback == NULL)
  {
    hmmc->MspDeInitCallback = HAL_MMC_MspDeInit;
  }
 
  /* DeInit the low level hardware */
  hmmc->MspDeInitCallback(hmmc);
#else
  /* De-Initialize the MSP layer */
  HAL_MMC_MspDeInit(hmmc);
#endif
 
  hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
  hmmc->State = HAL_MMC_STATE_RESET;
 
  return HAL_OK;
}
 
 
__weak void HAL_MMC_MspInit(MMC_HandleTypeDef *hmmc)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hmmc);
 
  /* NOTE : This function Should not be modified, when the callback is needed,
            the HAL_MMC_MspInit could be implemented in the user file
   */
}
 
__weak void HAL_MMC_MspDeInit(MMC_HandleTypeDef *hmmc)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hmmc);
 
  /* NOTE : This function Should not be modified, when the callback is needed,
            the HAL_MMC_MspDeInit could be implemented in the user file
   */
}
 
HAL_StatusTypeDef HAL_MMC_ReadBlocks(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks, uint32_t Timeout)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t tickstart = HAL_GetTick();
  uint32_t count, data, dataremaining;
  uint32_t add = BlockAdd;
  uint8_t *tempbuff = pData;
 
  if(NULL == pData)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0U;
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      add *= 512U;
    }
 
    /* Configure the MMC DPSM (Data Path State Machine) */
    config.DataTimeOut   = SDMMC_DATATIMEOUT;
    config.DataLength    = NumberOfBlocks * MMC_BLOCKSIZE;
    config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
    config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
    config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
    config.DPSM          = SDIO_DPSM_ENABLE;
    (void)SDIO_ConfigData(hmmc->Instance, &config);
 
    /* Read block(s) in polling mode */
    if(NumberOfBlocks > 1U)
    {
      hmmc->Context = MMC_CONTEXT_READ_MULTIPLE_BLOCK;
 
      /* Read Multi Block command */
      errorstate = SDMMC_CmdReadMultiBlock(hmmc->Instance, add);
    }
    else
    {
      hmmc->Context = MMC_CONTEXT_READ_SINGLE_BLOCK;
 
      /* Read Single Block command */
      errorstate = SDMMC_CmdReadSingleBlock(hmmc->Instance, add);
    }
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Poll on SDIO flags */
    dataremaining = config.DataLength;
#if defined(SDIO_STA_STBITERR)
    while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND | SDIO_FLAG_STBITERR))
#else /* SDIO_STA_STBITERR not defined */
    while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND))
#endif /* SDIO_STA_STBITERR */
    {
      if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF) && (dataremaining > 0U))
      {
        /* Read data from SDIO Rx FIFO */
        for(count = 0U; count < 8U; count++)
        {
          data = SDIO_ReadFIFO(hmmc->Instance);
          *tempbuff = (uint8_t)(data & 0xFFU);
          tempbuff++;
          dataremaining--;
          *tempbuff = (uint8_t)((data >> 8U) & 0xFFU);
          tempbuff++;
          dataremaining--;
          *tempbuff = (uint8_t)((data >> 16U) & 0xFFU);
          tempbuff++;
          dataremaining--;
          *tempbuff = (uint8_t)((data >> 24U) & 0xFFU);
          tempbuff++;
          dataremaining--;
        }
      }
 
      if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
        hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
        hmmc->State= HAL_MMC_STATE_READY;
        return HAL_TIMEOUT;
      }
    }
 
    /* Send stop transmission command in case of multiblock read */
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DATAEND) && (NumberOfBlocks > 1U))
    {
      /* Send stop transmission command */
      errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
      if(errorstate != HAL_MMC_ERROR_NONE)
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
        hmmc->ErrorCode |= errorstate;
        hmmc->State = HAL_MMC_STATE_READY;
        return HAL_ERROR;
      }
    }
 
    /* Get error state */
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_RX_OVERRUN;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else
    {
      /* Nothing to do */
    }
 
    /* Empty FIFO if there is still any data */
    while ((__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXDAVL)) && (dataremaining > 0U))
    {
      data = SDIO_ReadFIFO(hmmc->Instance);
      *tempbuff = (uint8_t)(data & 0xFFU);
      tempbuff++;
      dataremaining--;
      *tempbuff = (uint8_t)((data >> 8U) & 0xFFU);
      tempbuff++;
      dataremaining--;
      *tempbuff = (uint8_t)((data >> 16U) & 0xFFU);
      tempbuff++;
      dataremaining--;
      *tempbuff = (uint8_t)((data >> 24U) & 0xFFU);
      tempbuff++;
      dataremaining--;
 
      if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);        
        hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
        hmmc->State= HAL_MMC_STATE_READY;
        return HAL_ERROR;
      }
    }
 
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
 
    hmmc->State = HAL_MMC_STATE_READY;
 
    return HAL_OK;
  }
  else
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_BUSY;
    return HAL_ERROR;
  }
}
 
HAL_StatusTypeDef HAL_MMC_WriteBlocks(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks, uint32_t Timeout)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t tickstart = HAL_GetTick();
  uint32_t count, data, dataremaining;
  uint32_t add = BlockAdd;
  uint8_t *tempbuff = pData;
 
  if(NULL == pData)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0U;
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      add *= 512U;
    }
 
    /* Write Blocks in Polling mode */
    if(NumberOfBlocks > 1U)
    {
      hmmc->Context = MMC_CONTEXT_WRITE_MULTIPLE_BLOCK;
 
      /* Write Multi Block command */
      errorstate = SDMMC_CmdWriteMultiBlock(hmmc->Instance, add);
    }
    else
    {
      hmmc->Context = MMC_CONTEXT_WRITE_SINGLE_BLOCK;
 
      /* Write Single Block command */
      errorstate = SDMMC_CmdWriteSingleBlock(hmmc->Instance, add);
    }
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Configure the MMC DPSM (Data Path State Machine) */
    config.DataTimeOut   = SDMMC_DATATIMEOUT;
    config.DataLength    = NumberOfBlocks * MMC_BLOCKSIZE;
    config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
    config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
    config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
    config.DPSM          = SDIO_DPSM_ENABLE;
    (void)SDIO_ConfigData(hmmc->Instance, &config);
 
    /* Write block(s) in polling mode */
    dataremaining = config.DataLength;
#if defined(SDIO_STA_STBITERR)
    while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND | SDIO_FLAG_STBITERR))
#else /* SDIO_STA_STBITERR not defined */
    while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND))
#endif /* SDIO_STA_STBITERR */
    {
      if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXFIFOHE) && (dataremaining > 0U))
      {
        /* Write data to SDIO Tx FIFO */
        for(count = 0U; count < 8U; count++)
        {
          data = (uint32_t)(*tempbuff);
          tempbuff++;
          dataremaining--;
          data |= ((uint32_t)(*tempbuff) << 8U);
          tempbuff++;
          dataremaining--;
          data |= ((uint32_t)(*tempbuff) << 16U);
          tempbuff++;
          dataremaining--;
          data |= ((uint32_t)(*tempbuff) << 24U);
          tempbuff++;
          dataremaining--;
          (void)SDIO_WriteFIFO(hmmc->Instance, &data);
        }
      }
 
      if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
        hmmc->ErrorCode |= errorstate;
        hmmc->State = HAL_MMC_STATE_READY;
        return HAL_TIMEOUT;
      }
    }
 
    /* Send stop transmission command in case of multiblock write */
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DATAEND) && (NumberOfBlocks > 1U))
    {
      /* Send stop transmission command */
      errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
      if(errorstate != HAL_MMC_ERROR_NONE)
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
        hmmc->ErrorCode |= errorstate;
        hmmc->State = HAL_MMC_STATE_READY;
        return HAL_ERROR;
      }
    }
 
    /* Get error state */
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_TX_UNDERRUN;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else
    {
      /* Nothing to do */
    }
 
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
 
    hmmc->State = HAL_MMC_STATE_READY;
 
    return HAL_OK;
  }
  else
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_BUSY;
    return HAL_ERROR;
  }
}
 
HAL_StatusTypeDef HAL_MMC_ReadBlocks_IT(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t add = BlockAdd;
 
  if(NULL == pData)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0U;
 
    hmmc->pRxBuffPtr = pData;
    hmmc->RxXferSize = MMC_BLOCKSIZE * NumberOfBlocks;
 
#if defined(SDIO_STA_STBITERR)
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND | SDIO_FLAG_RXFIFOHF | SDIO_IT_STBITERR));
#else /* SDIO_STA_STBITERR not defined */
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND | SDIO_FLAG_RXFIFOHF));
#endif /* SDIO_STA_STBITERR */
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      add *= 512U;
    }
 
    /* Configure the MMC DPSM (Data Path State Machine) */
    config.DataTimeOut   = SDMMC_DATATIMEOUT;
    config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
    config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
    config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
    config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
    config.DPSM          = SDIO_DPSM_ENABLE;
    (void)SDIO_ConfigData(hmmc->Instance, &config);
 
    /* Read Blocks in IT mode */
    if(NumberOfBlocks > 1U)
    {
      hmmc->Context = (MMC_CONTEXT_READ_MULTIPLE_BLOCK | MMC_CONTEXT_IT);
 
      /* Read Multi Block command */
      errorstate = SDMMC_CmdReadMultiBlock(hmmc->Instance, add);
    }
    else
    {
      hmmc->Context = (MMC_CONTEXT_READ_SINGLE_BLOCK | MMC_CONTEXT_IT);
 
      /* Read Single Block command */
      errorstate = SDMMC_CmdReadSingleBlock(hmmc->Instance, add);
    }
 
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_MMC_WriteBlocks_IT(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t add = BlockAdd;
 
  if(NULL == pData)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0U;
 
    hmmc->pTxBuffPtr = pData;
    hmmc->TxXferSize = MMC_BLOCKSIZE * NumberOfBlocks;
 
    /* Enable transfer interrupts */
#if defined(SDIO_STA_STBITERR)
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE | SDIO_IT_STBITERR));
#else /* SDIO_STA_STBITERR not defined */
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND | SDIO_FLAG_TXFIFOHE));
#endif /* SDIO_STA_STBITERR */
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      add *= 512U;
    }
 
    /* Write Blocks in Polling mode */
    if(NumberOfBlocks > 1U)
    {
      hmmc->Context = (MMC_CONTEXT_WRITE_MULTIPLE_BLOCK| MMC_CONTEXT_IT);
 
      /* Write Multi Block command */
      errorstate = SDMMC_CmdWriteMultiBlock(hmmc->Instance, add);
    }
    else
    {
      hmmc->Context = (MMC_CONTEXT_WRITE_SINGLE_BLOCK | MMC_CONTEXT_IT);
 
      /* Write Single Block command */
      errorstate = SDMMC_CmdWriteSingleBlock(hmmc->Instance, add);
    }
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Configure the MMC DPSM (Data Path State Machine) */ 
    config.DataTimeOut   = SDMMC_DATATIMEOUT;
    config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
    config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
    config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
    config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
    config.DPSM          = SDIO_DPSM_ENABLE;
    (void)SDIO_ConfigData(hmmc->Instance, &config);
    
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_MMC_ReadBlocks_DMA(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t add = BlockAdd;
 
  if(NULL == pData)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0U;
 
#if defined(SDIO_STA_STBITERR)
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND | SDIO_IT_STBITERR));
#else /* SDIO_STA_STBITERR not defined */
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND));
#endif /* SDIO_STA_STBITERR */
 
    /* Set the DMA transfer complete callback */
    hmmc->hdmarx->XferCpltCallback = MMC_DMAReceiveCplt;
 
    /* Set the DMA error callback */
    hmmc->hdmarx->XferErrorCallback = MMC_DMAError;
 
    /* Set the DMA Abort callback */
    hmmc->hdmarx->XferAbortCallback = NULL;
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      add *= 512U;
    }
 
    /* Force DMA Direction */
    hmmc->hdmarx->Init.Direction = DMA_PERIPH_TO_MEMORY;
    MODIFY_REG(hmmc->hdmarx->Instance->CR, DMA_SxCR_DIR, hmmc->hdmarx->Init.Direction);
 
    /* Enable the DMA Channel */
    if(HAL_DMA_Start_IT(hmmc->hdmarx, (uint32_t)&hmmc->Instance->FIFO, (uint32_t)pData, (uint32_t)(MMC_BLOCKSIZE * NumberOfBlocks)/4) != HAL_OK)
    {
      __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND));
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode = HAL_MMC_ERROR_DMA;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else
    {
      /* Enable MMC DMA transfer */
      __HAL_MMC_DMA_ENABLE(hmmc);
 
      /* Configure the MMC DPSM (Data Path State Machine) */
      config.DataTimeOut   = SDMMC_DATATIMEOUT;
      config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
      config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
      config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
      config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
      config.DPSM          = SDIO_DPSM_ENABLE;
      (void)SDIO_ConfigData(hmmc->Instance, &config);
 
      /* Read Blocks in DMA mode */
      if(NumberOfBlocks > 1U)
      {
        hmmc->Context = (MMC_CONTEXT_READ_MULTIPLE_BLOCK | MMC_CONTEXT_DMA);
 
        /* Read Multi Block command */
        errorstate = SDMMC_CmdReadMultiBlock(hmmc->Instance, add);
      }
      else
      {
        hmmc->Context = (MMC_CONTEXT_READ_SINGLE_BLOCK | MMC_CONTEXT_DMA);
 
        /* Read Single Block command */
        errorstate = SDMMC_CmdReadSingleBlock(hmmc->Instance, add);
      }
      if(errorstate != HAL_MMC_ERROR_NONE)
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS); 
        __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_RXOVERR | SDIO_IT_DATAEND));
        hmmc->ErrorCode = errorstate;
        hmmc->State = HAL_MMC_STATE_READY;
        return HAL_ERROR;
      }
 
      return HAL_OK;
    }
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_MMC_WriteBlocks_DMA(MMC_HandleTypeDef *hmmc, uint8_t *pData, uint32_t BlockAdd, uint32_t NumberOfBlocks)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t add = BlockAdd;
 
  if(NULL == pData)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if((BlockAdd + NumberOfBlocks) > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0U;
 
    /* Enable MMC Error interrupts */
#if defined(SDIO_STA_STBITERR)
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_STBITERR));
#else /* SDIO_STA_STBITERR not defined */
    __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR));
#endif /* SDIO_STA_STBITERR */  
 
    /* Set the DMA transfer complete callback */
    hmmc->hdmatx->XferCpltCallback = MMC_DMATransmitCplt;
 
    /* Set the DMA error callback */
    hmmc->hdmatx->XferErrorCallback = MMC_DMAError;
 
    /* Set the DMA Abort callback */
    hmmc->hdmatx->XferAbortCallback = NULL;
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      add *= 512U;
    }
 
 
    /* Write Blocks in Polling mode */
    if(NumberOfBlocks > 1U)
    {
      hmmc->Context = (MMC_CONTEXT_WRITE_MULTIPLE_BLOCK | MMC_CONTEXT_DMA);
 
      /* Write Multi Block command */
      errorstate = SDMMC_CmdWriteMultiBlock(hmmc->Instance, add);
    }
    else
    {
      hmmc->Context = (MMC_CONTEXT_WRITE_SINGLE_BLOCK | MMC_CONTEXT_DMA);
 
      /* Write Single Block command */
      errorstate = SDMMC_CmdWriteSingleBlock(hmmc->Instance, add);
    }
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND));
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Enable SDIO DMA transfer */
    __HAL_MMC_DMA_ENABLE(hmmc);
 
    /* Force DMA Direction */
    hmmc->hdmatx->Init.Direction = DMA_MEMORY_TO_PERIPH;
    MODIFY_REG(hmmc->hdmatx->Instance->CR, DMA_SxCR_DIR, hmmc->hdmatx->Init.Direction);
 
    /* Enable the DMA Channel */
    if(HAL_DMA_Start_IT(hmmc->hdmatx, (uint32_t)pData, (uint32_t)&hmmc->Instance->FIFO, (uint32_t)(MMC_BLOCKSIZE * NumberOfBlocks)/4) != HAL_OK)
    {
      __HAL_MMC_DISABLE_IT(hmmc, (SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT | SDIO_IT_TXUNDERR | SDIO_IT_DATAEND));
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else
    {    
      /* Configure the MMC DPSM (Data Path State Machine) */ 
      config.DataTimeOut   = SDMMC_DATATIMEOUT;
      config.DataLength    = MMC_BLOCKSIZE * NumberOfBlocks;
      config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
      config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
      config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
      config.DPSM          = SDIO_DPSM_ENABLE;
      (void)SDIO_ConfigData(hmmc->Instance, &config);
 
      return HAL_OK;
    }
  }
  else
  {
    return HAL_BUSY;
  }
}
 
HAL_StatusTypeDef HAL_MMC_Erase(MMC_HandleTypeDef *hmmc, uint32_t BlockStartAdd, uint32_t BlockEndAdd)
{
  uint32_t errorstate;
  uint32_t start_add = BlockStartAdd;
  uint32_t end_add = BlockEndAdd;
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    if(end_add < start_add)
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
      return HAL_ERROR;
    }
 
    if(end_add > (hmmc->MmcCard.LogBlockNbr))
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_ADDR_OUT_OF_RANGE;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Check if the card command class supports erase command */
    if(((hmmc->MmcCard.Class) & SDIO_CCCC_ERASE) == 0U)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_REQUEST_NOT_APPLICABLE;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    if((SDIO_GetResponse(hmmc->Instance, SDIO_RESP1) & SDMMC_CARD_LOCKED) == SDMMC_CARD_LOCKED)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_LOCK_UNLOCK_FAILED;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    if ((hmmc->MmcCard.CardType) != MMC_HIGH_CAPACITY_CARD)
    {
      start_add *= 512U;
      end_add   *= 512U;
    }
 
    /* Send CMD35 MMC_ERASE_GRP_START with argument as addr  */
    errorstate = SDMMC_CmdEraseStartAdd(hmmc->Instance, start_add);
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Send CMD36 MMC_ERASE_GRP_END with argument as addr  */
    errorstate = SDMMC_CmdEraseEndAdd(hmmc->Instance, end_add);
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Send CMD38 ERASE */
    errorstate = SDMMC_CmdErase(hmmc->Instance);
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    hmmc->State = HAL_MMC_STATE_READY;
 
    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}
 
void HAL_MMC_IRQHandler(MMC_HandleTypeDef *hmmc)
{
  uint32_t errorstate;
  uint32_t context = hmmc->Context;
 
  /* Check for SDIO interrupt flags */
  if((__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF) != RESET) && ((context & MMC_CONTEXT_IT) != 0U))
  {
    MMC_Read_IT(hmmc);
  }
 
  else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DATAEND) != RESET)
  {
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_FLAG_DATAEND);
 
#if defined(SDIO_STA_STBITERR)
    __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
                             SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR | SDIO_IT_STBITERR);
#else /* SDIO_STA_STBITERR not defined */
    __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND  | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT |\
                               SDIO_IT_TXUNDERR | SDIO_IT_RXOVERR  | SDIO_IT_TXFIFOHE |\
                               SDIO_IT_RXFIFOHF);
#endif /* SDIO_STA_STBITERR */
    
    hmmc->Instance->DCTRL &= ~(SDIO_DCTRL_DTEN);
 
    if((context & MMC_CONTEXT_DMA) != 0U)
    {
      if((context & MMC_CONTEXT_WRITE_MULTIPLE_BLOCK) != 0U)
      {
        errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
        if(errorstate != HAL_MMC_ERROR_NONE)
        {
          hmmc->ErrorCode |= errorstate;
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
          hmmc->ErrorCallback(hmmc);
#else
          HAL_MMC_ErrorCallback(hmmc);
#endif
        }
      }
      if(((context & MMC_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & MMC_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
      {
        /* Disable the DMA transfer for transmit request by setting the DMAEN bit
        in the MMC DCTRL register */
        hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
        
        hmmc->State = HAL_MMC_STATE_READY;
        
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->TxCpltCallback(hmmc);
#else
        HAL_MMC_TxCpltCallback(hmmc);
#endif
      }
    }
    else if((context & MMC_CONTEXT_IT) != 0U)
    {
      /* Stop Transfer for Write Multi blocks or Read Multi blocks */
      if(((context & MMC_CONTEXT_READ_MULTIPLE_BLOCK) != 0U) || ((context & MMC_CONTEXT_WRITE_MULTIPLE_BLOCK) != 0U))
      {
        errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
        if(errorstate != HAL_MMC_ERROR_NONE)
        {
          hmmc->ErrorCode |= errorstate;
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
          hmmc->ErrorCallback(hmmc);
#else
          HAL_MMC_ErrorCallback(hmmc);
#endif
        }
      }
 
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
 
      hmmc->State = HAL_MMC_STATE_READY;
      if(((context & MMC_CONTEXT_READ_SINGLE_BLOCK) != 0U) || ((context & MMC_CONTEXT_READ_MULTIPLE_BLOCK) != 0U))
      {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->RxCpltCallback(hmmc);
#else
        HAL_MMC_RxCpltCallback(hmmc);
#endif
      }
      else
      {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->TxCpltCallback(hmmc);
#else
        HAL_MMC_TxCpltCallback(hmmc);
#endif
      }
    }
    else
    {
      /* Nothing to do */
    }
  }
 
  else if((__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXFIFOHE) != RESET) && ((context & MMC_CONTEXT_IT) != 0U))
  {
    MMC_Write_IT(hmmc);
  }
 
#if defined(SDIO_STA_STBITERR)
  else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_RXOVERR | SDIO_FLAG_TXUNDERR | SDIO_FLAG_STBITERR) != RESET)
#else /* SDIO_STA_STBITERR not defined */
  else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_RXOVERR | SDIO_FLAG_TXUNDERR) != RESET)
#endif /* SDIO_STA_STBITERR */
  {
    /* Set Error code */
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL) != RESET)
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
    }
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT) != RESET)
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
    }
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR) != RESET)
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_RX_OVERRUN;
    }
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_TXUNDERR) != RESET)
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_TX_UNDERRUN;
    }
#if defined(SDIO_STA_STBITERR)
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_STBITERR) != RESET)
    {
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
    }
#endif /* SDIO_STA_STBITERR */
 
#if defined(SDIO_STA_STBITERR)
    /* Clear All flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS | SDIO_FLAG_STBITERR);
 
    /* Disable all interrupts */
    __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
                               SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR | SDIO_IT_STBITERR);
#else /* SDIO_STA_STBITERR */
    /* Clear All flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
    
    /* Disable all interrupts */
    __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
                             SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
#endif /* SDIO_STA_STBITERR */
 
    hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
 
    if((context & MMC_CONTEXT_IT) != 0U)
    {
      /* Set the MMC state to ready to be able to start again the process */
      hmmc->State = HAL_MMC_STATE_READY;
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
      hmmc->ErrorCallback(hmmc);
#else
      HAL_MMC_ErrorCallback(hmmc);
#endif /* USE_HAL_MMC_REGISTER_CALLBACKS */
    }
    else if((context & MMC_CONTEXT_DMA) != 0U)
    {
      /* Abort the MMC DMA Streams */
      if(hmmc->hdmatx != NULL)
      {
        /* Set the DMA Tx abort callback */
        hmmc->hdmatx->XferAbortCallback = MMC_DMATxAbort;
        /* Abort DMA in IT mode */
        if(HAL_DMA_Abort_IT(hmmc->hdmatx) != HAL_OK)
        {
          MMC_DMATxAbort(hmmc->hdmatx);
        }
      }
      else if(hmmc->hdmarx != NULL)
      {
        /* Set the DMA Rx abort callback */
        hmmc->hdmarx->XferAbortCallback = MMC_DMARxAbort;
        /* Abort DMA in IT mode */
        if(HAL_DMA_Abort_IT(hmmc->hdmarx) != HAL_OK)
        {
          MMC_DMARxAbort(hmmc->hdmarx);
        }
      }
      else
      {
        hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
        hmmc->State = HAL_MMC_STATE_READY;
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->AbortCpltCallback(hmmc);
#else
        HAL_MMC_AbortCallback(hmmc);
#endif
      }
    }
    else
    {
      /* Nothing to do */
    }
  }
 
  else
  {
    /* Nothing to do */
  }
}
 
HAL_MMC_StateTypeDef HAL_MMC_GetState(MMC_HandleTypeDef *hmmc)
{
  return hmmc->State;
}
 
uint32_t HAL_MMC_GetError(MMC_HandleTypeDef *hmmc)
{
  return hmmc->ErrorCode;
}
 
__weak void HAL_MMC_TxCpltCallback(MMC_HandleTypeDef *hmmc)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hmmc);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_MMC_TxCpltCallback can be implemented in the user file
   */
}
 
__weak void HAL_MMC_RxCpltCallback(MMC_HandleTypeDef *hmmc)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hmmc);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_MMC_RxCpltCallback can be implemented in the user file
   */
}
 
__weak void HAL_MMC_ErrorCallback(MMC_HandleTypeDef *hmmc)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hmmc);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_MMC_ErrorCallback can be implemented in the user file
   */
}
 
__weak void HAL_MMC_AbortCallback(MMC_HandleTypeDef *hmmc)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hmmc);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_MMC_AbortCallback can be implemented in the user file
   */
}
 
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
HAL_StatusTypeDef HAL_MMC_RegisterCallback(MMC_HandleTypeDef *hmmc, HAL_MMC_CallbackIDTypeDef CallbackId, pMMC_CallbackTypeDef pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  if(pCallback == NULL)
  {
    /* Update the error code */
    hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
    return HAL_ERROR;
  }
 
  /* Process locked */
  __HAL_LOCK(hmmc);
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    switch (CallbackId)
    {
    case HAL_MMC_TX_CPLT_CB_ID :
      hmmc->TxCpltCallback = pCallback;
      break;
    case HAL_MMC_RX_CPLT_CB_ID :
      hmmc->RxCpltCallback = pCallback;
      break;
    case HAL_MMC_ERROR_CB_ID :
      hmmc->ErrorCallback = pCallback;
      break;
    case HAL_MMC_ABORT_CB_ID :
      hmmc->AbortCpltCallback = pCallback;
      break;
    case HAL_MMC_MSP_INIT_CB_ID :
      hmmc->MspInitCallback = pCallback;
      break;
    case HAL_MMC_MSP_DEINIT_CB_ID :
      hmmc->MspDeInitCallback = pCallback;
      break;
    default :
      /* Update the error code */
      hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else if (hmmc->State == HAL_MMC_STATE_RESET)
  {
    switch (CallbackId)
    {
    case HAL_MMC_MSP_INIT_CB_ID :
      hmmc->MspInitCallback = pCallback;
      break;
    case HAL_MMC_MSP_DEINIT_CB_ID :
      hmmc->MspDeInitCallback = pCallback;
      break;
    default :
      /* Update the error code */
      hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else
  {
    /* Update the error code */
    hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
    /* update return status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(hmmc);
  return status;
}
 
HAL_StatusTypeDef HAL_MMC_UnRegisterCallback(MMC_HandleTypeDef *hmmc, HAL_MMC_CallbackIDTypeDef CallbackId)
{
  HAL_StatusTypeDef status = HAL_OK;
 
  /* Process locked */
  __HAL_LOCK(hmmc);
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    switch (CallbackId)
    {
    case HAL_MMC_TX_CPLT_CB_ID :
      hmmc->TxCpltCallback = HAL_MMC_TxCpltCallback;
      break;
    case HAL_MMC_RX_CPLT_CB_ID :
      hmmc->RxCpltCallback = HAL_MMC_RxCpltCallback;
      break;
    case HAL_MMC_ERROR_CB_ID :
      hmmc->ErrorCallback = HAL_MMC_ErrorCallback;
      break;
    case HAL_MMC_ABORT_CB_ID :
      hmmc->AbortCpltCallback = HAL_MMC_AbortCallback;
      break;
    case HAL_MMC_MSP_INIT_CB_ID :
      hmmc->MspInitCallback = HAL_MMC_MspInit;
      break;
    case HAL_MMC_MSP_DEINIT_CB_ID :
      hmmc->MspDeInitCallback = HAL_MMC_MspDeInit;
      break;
    default :
      /* Update the error code */
      hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else if (hmmc->State == HAL_MMC_STATE_RESET)
  {
    switch (CallbackId)
    {
    case HAL_MMC_MSP_INIT_CB_ID :
      hmmc->MspInitCallback = HAL_MMC_MspInit;
      break;
    case HAL_MMC_MSP_DEINIT_CB_ID :
      hmmc->MspDeInitCallback = HAL_MMC_MspDeInit;
      break;
    default :
      /* Update the error code */
      hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else
  {
    /* Update the error code */
    hmmc->ErrorCode |= HAL_MMC_ERROR_INVALID_CALLBACK;
    /* update return status */
    status =  HAL_ERROR;
  }
 
  /* Release Lock */
  __HAL_UNLOCK(hmmc);
  return status;
}
#endif
 
HAL_StatusTypeDef HAL_MMC_GetCardCID(MMC_HandleTypeDef *hmmc, HAL_MMC_CardCIDTypeDef *pCID)
{
  pCID->ManufacturerID = (uint8_t)((hmmc->CID[0] & 0xFF000000U) >> 24U);
 
  pCID->OEM_AppliID = (uint16_t)((hmmc->CID[0] & 0x00FFFF00U) >> 8U);
 
  pCID->ProdName1 = (((hmmc->CID[0] & 0x000000FFU) << 24U) | ((hmmc->CID[1] & 0xFFFFFF00U) >> 8U));
 
  pCID->ProdName2 = (uint8_t)(hmmc->CID[1] & 0x000000FFU);
 
  pCID->ProdRev = (uint8_t)((hmmc->CID[2] & 0xFF000000U) >> 24U);
 
  pCID->ProdSN = (((hmmc->CID[2] & 0x00FFFFFFU) << 8U) | ((hmmc->CID[3] & 0xFF000000U) >> 24U));
 
  pCID->Reserved1 = (uint8_t)((hmmc->CID[3] & 0x00F00000U) >> 20U);
 
  pCID->ManufactDate = (uint16_t)((hmmc->CID[3] & 0x000FFF00U) >> 8U);
 
  pCID->CID_CRC = (uint8_t)((hmmc->CID[3] & 0x000000FEU) >> 1U);
 
  pCID->Reserved2 = 1U;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_GetCardCSD(MMC_HandleTypeDef *hmmc, HAL_MMC_CardCSDTypeDef *pCSD)
{
  uint32_t block_nbr = 0;
 
  pCSD->CSDStruct = (uint8_t)((hmmc->CSD[0] & 0xC0000000U) >> 30U);
 
  pCSD->SysSpecVersion = (uint8_t)((hmmc->CSD[0] & 0x3C000000U) >> 26U);
 
  pCSD->Reserved1 = (uint8_t)((hmmc->CSD[0] & 0x03000000U) >> 24U);
 
  pCSD->TAAC = (uint8_t)((hmmc->CSD[0] & 0x00FF0000U) >> 16U);
 
  pCSD->NSAC = (uint8_t)((hmmc->CSD[0] & 0x0000FF00U) >> 8U);
 
  pCSD->MaxBusClkFrec = (uint8_t)(hmmc->CSD[0] & 0x000000FFU);
 
  pCSD->CardComdClasses = (uint16_t)((hmmc->CSD[1] & 0xFFF00000U) >> 20U);
 
  pCSD->RdBlockLen = (uint8_t)((hmmc->CSD[1] & 0x000F0000U) >> 16U);
 
  pCSD->PartBlockRead   = (uint8_t)((hmmc->CSD[1] & 0x00008000U) >> 15U);
 
  pCSD->WrBlockMisalign = (uint8_t)((hmmc->CSD[1] & 0x00004000U) >> 14U);
 
  pCSD->RdBlockMisalign = (uint8_t)((hmmc->CSD[1] & 0x00002000U) >> 13U);
 
  pCSD->DSRImpl = (uint8_t)((hmmc->CSD[1] & 0x00001000U) >> 12U);
 
  pCSD->Reserved2 = 0U; 
  pCSD->DeviceSize = (((hmmc->CSD[1] & 0x000003FFU) << 2U) | ((hmmc->CSD[2] & 0xC0000000U) >> 30U));
 
  pCSD->MaxRdCurrentVDDMin = (uint8_t)((hmmc->CSD[2] & 0x38000000U) >> 27U);
 
  pCSD->MaxRdCurrentVDDMax = (uint8_t)((hmmc->CSD[2] & 0x07000000U) >> 24U);
 
  pCSD->MaxWrCurrentVDDMin = (uint8_t)((hmmc->CSD[2] & 0x00E00000U) >> 21U);
 
  pCSD->MaxWrCurrentVDDMax = (uint8_t)((hmmc->CSD[2] & 0x001C0000U) >> 18U);
 
  pCSD->DeviceSizeMul = (uint8_t)((hmmc->CSD[2] & 0x00038000U) >> 15U);
 
  if(MMC_ReadExtCSD(hmmc, &block_nbr, 212, 0x0FFFFFFFU) != HAL_OK) /* Field SEC_COUNT [215:212] */
  {
    return HAL_ERROR;
  }
 
  if(hmmc->MmcCard.CardType == MMC_LOW_CAPACITY_CARD)
  {
    hmmc->MmcCard.BlockNbr  = (pCSD->DeviceSize + 1U) ;
    hmmc->MmcCard.BlockNbr *= (1UL << ((pCSD->DeviceSizeMul & 0x07U) + 2U));
    hmmc->MmcCard.BlockSize = (1UL << (pCSD->RdBlockLen & 0x0FU));
    hmmc->MmcCard.LogBlockNbr =  (hmmc->MmcCard.BlockNbr) * ((hmmc->MmcCard.BlockSize) / 512U);
    hmmc->MmcCard.LogBlockSize = 512U;
  }
  else if(hmmc->MmcCard.CardType == MMC_HIGH_CAPACITY_CARD)
  {
    hmmc->MmcCard.BlockNbr = block_nbr;
    hmmc->MmcCard.LogBlockNbr = hmmc->MmcCard.BlockNbr;
    hmmc->MmcCard.BlockSize = 512U;
    hmmc->MmcCard.LogBlockSize = hmmc->MmcCard.BlockSize;
  }
  else
  {
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
    hmmc->ErrorCode |= HAL_MMC_ERROR_UNSUPPORTED_FEATURE;
    hmmc->State = HAL_MMC_STATE_READY;
    return HAL_ERROR;
  }
 
  pCSD->EraseGrSize = (uint8_t)((hmmc->CSD[2] & 0x00004000U) >> 14U);
 
  pCSD->EraseGrMul = (uint8_t)((hmmc->CSD[2] & 0x00003F80U) >> 7U);
 
  pCSD->WrProtectGrSize = (uint8_t)(hmmc->CSD[2] & 0x0000007FU);
 
  pCSD->WrProtectGrEnable = (uint8_t)((hmmc->CSD[3] & 0x80000000U) >> 31U);
 
  pCSD->ManDeflECC = (uint8_t)((hmmc->CSD[3] & 0x60000000U) >> 29U);
 
  pCSD->WrSpeedFact = (uint8_t)((hmmc->CSD[3] & 0x1C000000U) >> 26U);
 
  pCSD->MaxWrBlockLen= (uint8_t)((hmmc->CSD[3] & 0x03C00000U) >> 22U);
 
  pCSD->WriteBlockPaPartial = (uint8_t)((hmmc->CSD[3] & 0x00200000U) >> 21U);
 
  pCSD->Reserved3 = 0;
 
  pCSD->ContentProtectAppli = (uint8_t)((hmmc->CSD[3] & 0x00010000U) >> 16U);
 
  pCSD->FileFormatGroup = (uint8_t)((hmmc->CSD[3] & 0x00008000U) >> 15U);
 
  pCSD->CopyFlag = (uint8_t)((hmmc->CSD[3] & 0x00004000U) >> 14U);
 
  pCSD->PermWrProtect = (uint8_t)((hmmc->CSD[3] & 0x00002000U) >> 13U);
 
  pCSD->TempWrProtect = (uint8_t)((hmmc->CSD[3] & 0x00001000U) >> 12U);
 
  pCSD->FileFormat = (uint8_t)((hmmc->CSD[3] & 0x00000C00U) >> 10U);
 
  pCSD->ECC= (uint8_t)((hmmc->CSD[3] & 0x00000300U) >> 8U);
 
  pCSD->CSD_CRC = (uint8_t)((hmmc->CSD[3] & 0x000000FEU) >> 1U);
 
  pCSD->Reserved4 = 1;
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_GetCardInfo(MMC_HandleTypeDef *hmmc, HAL_MMC_CardInfoTypeDef *pCardInfo)
{
  pCardInfo->CardType     = (uint32_t)(hmmc->MmcCard.CardType);
  pCardInfo->Class        = (uint32_t)(hmmc->MmcCard.Class);
  pCardInfo->RelCardAdd   = (uint32_t)(hmmc->MmcCard.RelCardAdd);
  pCardInfo->BlockNbr     = (uint32_t)(hmmc->MmcCard.BlockNbr);
  pCardInfo->BlockSize    = (uint32_t)(hmmc->MmcCard.BlockSize);
  pCardInfo->LogBlockNbr  = (uint32_t)(hmmc->MmcCard.LogBlockNbr);
  pCardInfo->LogBlockSize = (uint32_t)(hmmc->MmcCard.LogBlockSize);
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_GetCardExtCSD(MMC_HandleTypeDef *hmmc, uint32_t *pExtCSD, uint32_t Timeout)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t tickstart = HAL_GetTick();
  uint32_t count;
  uint32_t *tmp_buf;
 
  if(NULL == pExtCSD)
  {
    hmmc->ErrorCode |= HAL_MMC_ERROR_PARAM;
    return HAL_ERROR;
  }
 
  if(hmmc->State == HAL_MMC_STATE_READY)
  {
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
    hmmc->State = HAL_MMC_STATE_BUSY;
 
    /* Initialize data control register */
    hmmc->Instance->DCTRL = 0;
 
    /* Initiaize the destination pointer */
    tmp_buf = pExtCSD;
 
    /* Configure the MMC DPSM (Data Path State Machine) */
    config.DataTimeOut   = SDMMC_DATATIMEOUT;
    config.DataLength    = 512;
    config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
    config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
    config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
    config.DPSM          = SDIO_DPSM_ENABLE;
    (void)SDIO_ConfigData(hmmc->Instance, &config);
 
    /* Send ExtCSD Read command to Card */
    errorstate = SDMMC_CmdSendEXTCSD(hmmc->Instance, 0);
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= errorstate;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
 
    /* Poll on SDMMC flags */
    while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND))
    {
      if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF))
      {
        /* Read data from SDMMC Rx FIFO */
        for(count = 0U; count < 8U; count++)
        {
          *tmp_buf = SDIO_ReadFIFO(hmmc->Instance);
          tmp_buf++;
        }
      }
 
      if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
      {
        /* Clear all the static flags */
        __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
        hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
        hmmc->State= HAL_MMC_STATE_READY;
        return HAL_TIMEOUT;
      }
    }
 
    /* Get error state */
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DTIMEOUT))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_TIMEOUT;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_DCRCFAIL))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_DATA_CRC_FAIL;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_RX_OVERRUN;
      hmmc->State = HAL_MMC_STATE_READY;
      return HAL_ERROR;
    }
    else
    {
      /* Nothing to do */
    }
 
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
    hmmc->State = HAL_MMC_STATE_READY;
  }
 
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_ConfigWideBusOperation(MMC_HandleTypeDef *hmmc, uint32_t WideMode)
{
  uint32_t count;
  SDIO_InitTypeDef Init;
  uint32_t errorstate;
  uint32_t response = 0U;
 
  /* Check the parameters */
  assert_param(IS_SDIO_BUS_WIDE(WideMode));
 
  /* Change State */
  hmmc->State = HAL_MMC_STATE_BUSY;
 
  errorstate = MMC_PwrClassUpdate(hmmc, WideMode);
 
  if(errorstate == HAL_MMC_ERROR_NONE)
  {
    if(WideMode == SDIO_BUS_WIDE_8B)
    {
      errorstate = SDMMC_CmdSwitch(hmmc->Instance, 0x03B70200U);
    }
    else if(WideMode == SDIO_BUS_WIDE_4B)
    {
      errorstate = SDMMC_CmdSwitch(hmmc->Instance, 0x03B70100U);
    }
    else if(WideMode == SDIO_BUS_WIDE_1B)
    {
      errorstate = SDMMC_CmdSwitch(hmmc->Instance, 0x03B70000U);
    }
    else
    {
      /* WideMode is not a valid argument*/
      errorstate = HAL_MMC_ERROR_PARAM;
    }
 
    /* Check for switch error and violation of the trial number of sending CMD 13 */
    if(errorstate == HAL_MMC_ERROR_NONE)
    {
      /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
      count = SDMMC_MAX_TRIAL;
      do
      {
        errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
        if(errorstate != HAL_MMC_ERROR_NONE)
        {
          break;
        }
        
        /* Get command response */
        response = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
        count--;
      }while(((response & 0x100U) == 0U) && (count != 0U));
 
      /* Check the status after the switch command execution */
      if ((count != 0U) && (errorstate == HAL_MMC_ERROR_NONE))
      {
        /* Check the bit SWITCH_ERROR of the device status */
        if ((response & 0x80U) != 0U)
        {
          errorstate = SDMMC_ERROR_GENERAL_UNKNOWN_ERR;
        }
        else
        {
          /* Configure the SDIO peripheral */
          Init = hmmc->Init;
          Init.BusWide = WideMode;
          (void)SDIO_Init(hmmc->Instance, Init);
        }
      }
      else if (count == 0U)
      {
        errorstate = SDMMC_ERROR_TIMEOUT;
      }
      else
      {
        /* Nothing to do */
      }
    }
  }
 
  /* Change State */
  hmmc->State = HAL_MMC_STATE_READY;
 
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDMMC_STATIC_FLAGS);
    hmmc->ErrorCode |= errorstate;
    return HAL_ERROR;
  }
 
  return HAL_OK;
}
 
HAL_MMC_CardStateTypeDef HAL_MMC_GetCardState(MMC_HandleTypeDef *hmmc)
{
  uint32_t cardstate;
  uint32_t errorstate;
  uint32_t resp1 = 0U;
 
  errorstate = MMC_SendStatus(hmmc, &resp1);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    hmmc->ErrorCode |= errorstate;
  }
 
  cardstate = ((resp1 >> 9U) & 0x0FU);
 
  return (HAL_MMC_CardStateTypeDef)cardstate;
}
 
HAL_StatusTypeDef HAL_MMC_Abort(MMC_HandleTypeDef *hmmc)
{
  HAL_MMC_CardStateTypeDef CardState;
 
  /* DIsable All interrupts */
  __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
                             SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
 
  /* Clear All flags */
  __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
 
  if((hmmc->hdmatx != NULL) || (hmmc->hdmarx != NULL))
  {
    /* Disable the MMC DMA request */
    hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
    
    /* Abort the MMC DMA Tx Stream */
    if(hmmc->hdmatx != NULL)
    {
      if(HAL_DMA_Abort(hmmc->hdmatx) != HAL_OK)
      {
        hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
      }
    }
    /* Abort the MMC DMA Rx Stream */
    if(hmmc->hdmarx != NULL)
    {
      if(HAL_DMA_Abort(hmmc->hdmarx) != HAL_OK)
      {
        hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
      }
    }
  }
 
  hmmc->State = HAL_MMC_STATE_READY;
 
  /* Initialize the MMC operation */
  hmmc->Context = MMC_CONTEXT_NONE;
 
  CardState = HAL_MMC_GetCardState(hmmc);
  if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
  {
    hmmc->ErrorCode = SDMMC_CmdStopTransfer(hmmc->Instance);
  }
  if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
  {
    return HAL_ERROR;
  }
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_MMC_Abort_IT(MMC_HandleTypeDef *hmmc)
{
  HAL_MMC_CardStateTypeDef CardState;
 
  /* DIsable All interrupts */
  __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
                           SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
 
  /* Clear All flags */
  __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
 
  if((hmmc->hdmatx != NULL) || (hmmc->hdmarx != NULL))
  {
    /* Disable the MMC DMA request */
    hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
    
    /* Abort the MMC DMA Tx Stream */
    if(hmmc->hdmatx != NULL)
    {
      hmmc->hdmatx->XferAbortCallback =  MMC_DMATxAbort;
      if(HAL_DMA_Abort_IT(hmmc->hdmatx) != HAL_OK)
      {
        hmmc->hdmatx = NULL;
      }
    }
    /* Abort the MMC DMA Rx Stream */
    if(hmmc->hdmarx != NULL)
    {
      hmmc->hdmarx->XferAbortCallback =  MMC_DMARxAbort;
      if(HAL_DMA_Abort_IT(hmmc->hdmarx) != HAL_OK)
      {
        hmmc->hdmarx = NULL;
      }
    }
  }
  
  /* No transfer ongoing on both DMA channels*/
  if((hmmc->hdmatx == NULL) && (hmmc->hdmarx == NULL))
  {
    CardState = HAL_MMC_GetCardState(hmmc);
    hmmc->State = HAL_MMC_STATE_READY;
 
    if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
    {
      hmmc->ErrorCode = SDMMC_CmdStopTransfer(hmmc->Instance);
    }
    if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
    {
      return HAL_ERROR;
    }
    else
    {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
      hmmc->AbortCpltCallback(hmmc);
#else
      HAL_MMC_AbortCallback(hmmc);
#endif
    }
  }
 
  return HAL_OK;
}
 
/* Private function ----------------------------------------------------------*/
static void MMC_DMATransmitCplt(DMA_HandleTypeDef *hdma)     
{
  MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  
  /* Enable DATAEND Interrupt */
  __HAL_MMC_ENABLE_IT(hmmc, (SDIO_IT_DATAEND));
}
 
static void MMC_DMAReceiveCplt(DMA_HandleTypeDef *hdma)  
{
  MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  uint32_t errorstate;
  
  /* Send stop command in multiblock write */
  if(hmmc->Context == (MMC_CONTEXT_READ_MULTIPLE_BLOCK | MMC_CONTEXT_DMA))
  {
    errorstate = SDMMC_CmdStopTransfer(hmmc->Instance);
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      hmmc->ErrorCode |= errorstate;
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
      hmmc->ErrorCallback(hmmc);
#else
      HAL_MMC_ErrorCallback(hmmc);
#endif
    }
  }
  
  /* Disable the DMA transfer for transmit request by setting the DMAEN bit
  in the MMC DCTRL register */
  hmmc->Instance->DCTRL &= (uint32_t)~((uint32_t)SDIO_DCTRL_DMAEN);
  
  /* Clear all the static flags */
  __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
  
  hmmc->State = HAL_MMC_STATE_READY;
 
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
  hmmc->RxCpltCallback(hmmc);
#else
  HAL_MMC_RxCpltCallback(hmmc);
#endif
}
 
static void MMC_DMAError(DMA_HandleTypeDef *hdma)   
{
  MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  HAL_MMC_CardStateTypeDef CardState;
  uint32_t RxErrorCode, TxErrorCode;
  
  /* if DMA error is FIFO error ignore it */
  if(HAL_DMA_GetError(hdma) != HAL_DMA_ERROR_FE)
  {
    RxErrorCode = hmmc->hdmarx->ErrorCode;
    TxErrorCode = hmmc->hdmatx->ErrorCode;  
    if((RxErrorCode == HAL_DMA_ERROR_TE) || (TxErrorCode == HAL_DMA_ERROR_TE))
    {
      /* Clear All flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      
      /* Disable All interrupts */
      __HAL_MMC_DISABLE_IT(hmmc, SDIO_IT_DATAEND | SDIO_IT_DCRCFAIL | SDIO_IT_DTIMEOUT|\
        SDIO_IT_TXUNDERR| SDIO_IT_RXOVERR);
      
      hmmc->ErrorCode |= HAL_MMC_ERROR_DMA;
      CardState = HAL_MMC_GetCardState(hmmc);
      if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
      {
        hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
      }
      
      hmmc->State= HAL_MMC_STATE_READY;
    }
    
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
    hmmc->ErrorCallback(hmmc);
#else
    HAL_MMC_ErrorCallback(hmmc);
#endif
  }
}
 
static void MMC_DMATxAbort(DMA_HandleTypeDef *hdma)   
{
  MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  HAL_MMC_CardStateTypeDef CardState;
  
  if(hmmc->hdmatx != NULL)
  {
    hmmc->hdmatx = NULL;
  }
  
  /* All DMA channels are aborted */
  if(hmmc->hdmarx == NULL)
  {
    CardState = HAL_MMC_GetCardState(hmmc);
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
    hmmc->State = HAL_MMC_STATE_READY;
    if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
    {
      hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
      
      if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
      {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->AbortCpltCallback(hmmc);
#else
        HAL_MMC_AbortCallback(hmmc);
#endif
      }
      else
      {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->ErrorCallback(hmmc);
#else
        HAL_MMC_ErrorCallback(hmmc);
#endif
      }
    }
  }
}
 
static void MMC_DMARxAbort(DMA_HandleTypeDef *hdma)   
{
  MMC_HandleTypeDef* hmmc = (MMC_HandleTypeDef* )(hdma->Parent);
  HAL_MMC_CardStateTypeDef CardState;
  
  if(hmmc->hdmarx != NULL)
  {
    hmmc->hdmarx = NULL;
  }
  
  /* All DMA channels are aborted */
  if(hmmc->hdmatx == NULL)
  {
    CardState = HAL_MMC_GetCardState(hmmc);
    hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
    hmmc->State = HAL_MMC_STATE_READY;
    if((CardState == HAL_MMC_CARD_RECEIVING) || (CardState == HAL_MMC_CARD_SENDING))
    {
      hmmc->ErrorCode |= SDMMC_CmdStopTransfer(hmmc->Instance);
      
      if(hmmc->ErrorCode != HAL_MMC_ERROR_NONE)
      {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->AbortCpltCallback(hmmc);
#else
        HAL_MMC_AbortCallback(hmmc);
#endif
      }
      else
      {
#if defined (USE_HAL_MMC_REGISTER_CALLBACKS) && (USE_HAL_MMC_REGISTER_CALLBACKS == 1U)
        hmmc->ErrorCallback(hmmc);
#else
        HAL_MMC_ErrorCallback(hmmc);
#endif
      }
    }
  }
}
 
static uint32_t MMC_InitCard(MMC_HandleTypeDef *hmmc)
{
  HAL_MMC_CardCSDTypeDef CSD;
  uint32_t errorstate;
  uint16_t mmc_rca = 2U;
  MMC_InitTypeDef Init;
 
  /* Check the power State */
  if(SDIO_GetPowerState(hmmc->Instance) == 0U)
  {
    /* Power off */
    return HAL_MMC_ERROR_REQUEST_NOT_APPLICABLE;
  }
 
  /* Send CMD2 ALL_SEND_CID */
  errorstate = SDMMC_CmdSendCID(hmmc->Instance);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    return errorstate;
  }
  else
  {
    /* Get Card identification number data */
    hmmc->CID[0U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
    hmmc->CID[1U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP2);
    hmmc->CID[2U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP3);
    hmmc->CID[3U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP4);
  }
 
  /* Send CMD3 SET_REL_ADDR with RCA = 2 (should be greater than 1) */
  /* MMC Card publishes its RCA. */
  errorstate = SDMMC_CmdSetRelAddMmc(hmmc->Instance, mmc_rca);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    return errorstate;
  }
 
  /* Get the MMC card RCA */
  hmmc->MmcCard.RelCardAdd = mmc_rca;
 
  /* Send CMD9 SEND_CSD with argument as card's RCA */
  errorstate = SDMMC_CmdSendCSD(hmmc->Instance, (uint32_t)(hmmc->MmcCard.RelCardAdd << 16U));
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    return errorstate;
  }
  else
  {
    /* Get Card Specific Data */
    hmmc->CSD[0U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
    hmmc->CSD[1U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP2);
    hmmc->CSD[2U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP3);
    hmmc->CSD[3U] = SDIO_GetResponse(hmmc->Instance, SDIO_RESP4);
  }
 
  /* Get the Card Class */
  hmmc->MmcCard.Class = (SDIO_GetResponse(hmmc->Instance, SDIO_RESP2) >> 20U);
 
  /* Select the Card */
  errorstate = SDMMC_CmdSelDesel(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    return errorstate;
  }
 
  /* Get CSD parameters */
  if (HAL_MMC_GetCardCSD(hmmc, &CSD) != HAL_OK)
  {
    return hmmc->ErrorCode;
  }
 
  /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    hmmc->ErrorCode |= errorstate;
  }
  
  /* Get Extended CSD parameters */
  if (HAL_MMC_GetCardExtCSD(hmmc, hmmc->Ext_CSD, SDMMC_DATATIMEOUT) != HAL_OK)
  {
    return hmmc->ErrorCode;
  }
 
  /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    hmmc->ErrorCode |= errorstate;
  }
 
  /* Configure the SDIO peripheral */
  Init = hmmc->Init;
  Init.BusWide = SDIO_BUS_WIDE_1B;
  (void)SDIO_Init(hmmc->Instance, Init);
 
  /* All cards are initialized */
  return HAL_MMC_ERROR_NONE;
}
 
static uint32_t MMC_PowerON(MMC_HandleTypeDef *hmmc)
{
  __IO uint32_t count = 0U;
  uint32_t response = 0U, validvoltage = 0U;
  uint32_t errorstate;
 
  /* CMD0: GO_IDLE_STATE */
  errorstate = SDMMC_CmdGoIdleState(hmmc->Instance);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    return errorstate;
  }
 
  while(validvoltage == 0U)
  {
    if(count++ == SDMMC_MAX_VOLT_TRIAL)
    {
      return HAL_MMC_ERROR_INVALID_VOLTRANGE;
    }
 
    /* SEND CMD1 APP_CMD with voltage range as argument */
    errorstate = SDMMC_CmdOpCondition(hmmc->Instance, MMC_VOLTAGE_RANGE);
    if(errorstate != HAL_MMC_ERROR_NONE)
    {
      return HAL_MMC_ERROR_UNSUPPORTED_FEATURE;
    }
 
    /* Get command response */
    response = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
 
    /* Get operating voltage*/
    validvoltage = (((response >> 31U) == 1U) ? 1U : 0U);
  }
 
  /* When power routine is finished and command returns valid voltage */
  if (((response & (0xFF000000U)) >> 24U) == 0xC0U)
  {
    hmmc->MmcCard.CardType = MMC_HIGH_CAPACITY_CARD;
  }
  else
  {
    hmmc->MmcCard.CardType = MMC_LOW_CAPACITY_CARD;
  }
 
  return HAL_MMC_ERROR_NONE;
}
 
static void MMC_PowerOFF(MMC_HandleTypeDef *hmmc)
{
  /* Set Power State to OFF */
  (void)SDIO_PowerState_OFF(hmmc->Instance);
}
 
static uint32_t MMC_SendStatus(MMC_HandleTypeDef *hmmc, uint32_t *pCardStatus)
{
  uint32_t errorstate;
 
  if(pCardStatus == NULL)
  {
    return HAL_MMC_ERROR_PARAM;
  }
 
  /* Send Status command */
  errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(hmmc->MmcCard.RelCardAdd << 16U));
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    return errorstate;
  }
 
  /* Get MMC card status */
  *pCardStatus = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
 
  return HAL_MMC_ERROR_NONE;
}
 
static uint32_t MMC_ReadExtCSD(MMC_HandleTypeDef *hmmc, uint32_t *pFieldData, uint16_t FieldIndex, uint32_t Timeout)
{
  SDIO_DataInitTypeDef config;
  uint32_t errorstate;
  uint32_t tickstart = HAL_GetTick();
  uint32_t count;
  uint32_t i = 0;
  uint32_t tmp_data;
 
  hmmc->ErrorCode = HAL_MMC_ERROR_NONE;
 
  /* Initialize data control register */
  hmmc->Instance->DCTRL = 0;
 
  /* Configure the MMC DPSM (Data Path State Machine) */
  config.DataTimeOut   = SDMMC_DATATIMEOUT;
  config.DataLength    = 512;
  config.DataBlockSize = SDIO_DATABLOCK_SIZE_512B;
  config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
  config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
  config.DPSM          = SDIO_DPSM_ENABLE;
  (void)SDIO_ConfigData(hmmc->Instance, &config);
 
  /* Set Block Size for Card */
  errorstate = SDMMC_CmdSendEXTCSD(hmmc->Instance, 0);
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    /* Clear all the static flags */
    __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
    hmmc->ErrorCode |= errorstate;
    hmmc->State = HAL_MMC_STATE_READY;
    return HAL_ERROR;
  }
 
  /* Poll on SDMMC flags */
  while(!__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXOVERR | SDIO_FLAG_DCRCFAIL | SDIO_FLAG_DTIMEOUT | SDIO_FLAG_DATAEND))
  {
    if(__HAL_MMC_GET_FLAG(hmmc, SDIO_FLAG_RXFIFOHF))
    {
      /* Read data from SDMMC Rx FIFO */
      for(count = 0U; count < 8U; count++)
      {
        tmp_data = SDIO_ReadFIFO(hmmc->Instance);
        /* eg : SEC_COUNT   : FieldIndex = 212 => i+count = 53 */
        /*      DEVICE_TYPE : FieldIndex = 196 => i+count = 49 */
        if ((i + count) == ((uint32_t)FieldIndex/4U))
        {
          *pFieldData = tmp_data;
        }
      }
      i += 8U;
    }
 
    if(((HAL_GetTick()-tickstart) >=  Timeout) || (Timeout == 0U))
    {
      /* Clear all the static flags */
      __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_FLAGS);
      hmmc->ErrorCode |= HAL_MMC_ERROR_TIMEOUT;
      hmmc->State= HAL_MMC_STATE_READY;
      return HAL_TIMEOUT;
    }
  }
 
  /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
  errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16));
  if(errorstate != HAL_MMC_ERROR_NONE)
  {
    hmmc->ErrorCode |= errorstate;
  }
 
  /* Clear all the static flags */
  __HAL_MMC_CLEAR_FLAG(hmmc, SDIO_STATIC_DATA_FLAGS);
 
  hmmc->State = HAL_MMC_STATE_READY;
 
  return HAL_OK;
}
 
 
static void MMC_Read_IT(MMC_HandleTypeDef *hmmc)
{
  uint32_t count, data, dataremaining;
  uint8_t* tmp;
 
  tmp = hmmc->pRxBuffPtr;
  dataremaining = hmmc->RxXferSize;
 
  if (dataremaining > 0U)
  {
    /* Read data from SDIO Rx FIFO */
    for(count = 0U; count < 8U; count++)
    {
      data = SDIO_ReadFIFO(hmmc->Instance);
      *tmp = (uint8_t)(data & 0xFFU);
      tmp++;
      dataremaining--;
      *tmp = (uint8_t)((data >> 8U) & 0xFFU);
      tmp++;
      dataremaining--;
      *tmp = (uint8_t)((data >> 16U) & 0xFFU);
      tmp++;
      dataremaining--;
      *tmp = (uint8_t)((data >> 24U) & 0xFFU);
      tmp++;
      dataremaining--;
    }
 
    hmmc->pRxBuffPtr = tmp;
    hmmc->RxXferSize = dataremaining;
  }
}
 
static void MMC_Write_IT(MMC_HandleTypeDef *hmmc)
{
  uint32_t count, data, dataremaining;
  uint8_t* tmp;
 
  tmp = hmmc->pTxBuffPtr;
  dataremaining = hmmc->TxXferSize;
 
  if (dataremaining > 0U)
  {
    /* Write data to SDIO Tx FIFO */
    for(count = 0U; count < 8U; count++)
    {
      data = (uint32_t)(*tmp);
      tmp++;
      dataremaining--;
      data |= ((uint32_t)(*tmp) << 8U);
      tmp++;
      dataremaining--;
      data |= ((uint32_t)(*tmp) << 16U);
      tmp++;
      dataremaining--;
      data |= ((uint32_t)(*tmp) << 24U);
      tmp++;
      dataremaining--;
      (void)SDIO_WriteFIFO(hmmc->Instance, &data);
    }
 
    hmmc->pTxBuffPtr = tmp;
    hmmc->TxXferSize = dataremaining;
  }
}
 
static uint32_t MMC_PwrClassUpdate(MMC_HandleTypeDef *hmmc, uint32_t Wide)
{
  uint32_t count;
  uint32_t response = 0U;
  uint32_t errorstate = HAL_MMC_ERROR_NONE;
  uint32_t power_class, supported_pwr_class;
 
  if((Wide == SDIO_BUS_WIDE_8B) || (Wide == SDIO_BUS_WIDE_4B))
  {
    power_class = 0U; /* Default value after power-on or software reset */
 
    /* Read the PowerClass field of the Extended CSD register */
    if(MMC_ReadExtCSD(hmmc, &power_class, 187, SDMMC_DATATIMEOUT) != HAL_OK) /* Field POWER_CLASS [187] */
    {
      errorstate = SDMMC_ERROR_GENERAL_UNKNOWN_ERR;
    }
    else
    {
      power_class = ((power_class >> 24U) & 0x000000FFU);
    }
 
    /* Get the supported PowerClass field of the Extended CSD register */
    /* Field PWR_CL_26_xxx [201 or 203] */
    supported_pwr_class = ((hmmc->Ext_CSD[(MMC_EXT_CSD_PWR_CL_26_INDEX/4)] >> MMC_EXT_CSD_PWR_CL_26_POS) & 0x000000FFU);
 
    if(errorstate == HAL_MMC_ERROR_NONE)
    {
      if(Wide == SDIO_BUS_WIDE_8B)
      {
        /* Bit [7:4] : power class for 8-bits bus configuration - Bit [3:0] : power class for 4-bits bus configuration */
        supported_pwr_class = (supported_pwr_class >> 4U);
      }
 
      if ((power_class & 0x0FU) != (supported_pwr_class & 0x0FU))
      {
        /* Need to change current power class */
        errorstate = SDMMC_CmdSwitch(hmmc->Instance, (0x03BB0000U | ((supported_pwr_class & 0x0FU) << 8U)));
 
        if(errorstate == HAL_MMC_ERROR_NONE)
        {
          /* While card is not ready for data and trial number for sending CMD13 is not exceeded */
          count = SDMMC_MAX_TRIAL;
          do
          {
            errorstate = SDMMC_CmdSendStatus(hmmc->Instance, (uint32_t)(((uint32_t)hmmc->MmcCard.RelCardAdd) << 16U));
            if(errorstate != HAL_MMC_ERROR_NONE)
            {
              break;
            }
 
            /* Get command response */
            response = SDIO_GetResponse(hmmc->Instance, SDIO_RESP1);
            count--;
          }while(((response & 0x100U) == 0U) && (count != 0U));
 
          /* Check the status after the switch command execution */
          if ((count != 0U) && (errorstate == HAL_MMC_ERROR_NONE))
          {
            /* Check the bit SWITCH_ERROR of the device status */
            if ((response & 0x80U) != 0U)
            {
              errorstate = SDMMC_ERROR_UNSUPPORTED_FEATURE;
            }
          }
          else if (count == 0U)
          {
            errorstate = SDMMC_ERROR_TIMEOUT;
          }
          else
          {
            /* Nothing to do */
          }
        }
      }
    }
  }
 
  return errorstate;
}
 
#endif /* SDIO */
 
#endif /* HAL_MMC_MODULE_ENABLED */