stm32l4xx_hal_smartcard.c

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/* Includes ------------------------------------------------------------------*/
#include "stm32l4xx_hal.h"

#ifdef HAL_SMARTCARD_MODULE_ENABLED

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define SMARTCARD_TEACK_REACK_TIMEOUT               1000U      
#if defined(USART_CR1_FIFOEN)
#define USART_CR1_FIELDS      ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS   | \
                                          USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8| \
                                          USART_CR1_FIFOEN ))                                         
#else
#define USART_CR1_FIELDS      ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS   | \
                                          USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8))             
#endif /* USART_CR1_FIFOEN */

#define USART_CR2_CLK_FIELDS  ((uint32_t)(USART_CR2_CLKEN | USART_CR2_CPOL | USART_CR2_CPHA | \
                                          USART_CR2_LBCL))                                            
#define USART_CR2_FIELDS      ((uint32_t)(USART_CR2_RTOEN | USART_CR2_CLK_FIELDS | USART_CR2_STOP))   
#if defined(USART_CR1_FIFOEN)
#define USART_CR3_FIELDS      ((uint32_t)(USART_CR3_ONEBIT | USART_CR3_NACK | USART_CR3_SCARCNT | \
                                          USART_CR3_TXFTCFG | USART_CR3_RXFTCFG ))                    
#else
#define USART_CR3_FIELDS      ((uint32_t)(USART_CR3_ONEBIT | USART_CR3_NACK | USART_CR3_SCARCNT))     
#endif /* USART_CR1_FIFOEN */

#define USART_BRR_MIN    0x10U        
#define USART_BRR_MAX    0x0000FFFFU  
/* Private macros ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
void SMARTCARD_InitCallbacksToDefault(SMARTCARD_HandleTypeDef *hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACKS */
static HAL_StatusTypeDef SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsmartcard);
static void SMARTCARD_AdvFeatureConfig(SMARTCARD_HandleTypeDef *hsmartcard);
static HAL_StatusTypeDef SMARTCARD_CheckIdleState(SMARTCARD_HandleTypeDef *hsmartcard);
static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Flag,
                                                          FlagStatus Status, uint32_t Tickstart, uint32_t Timeout);
static void SMARTCARD_EndTxTransfer(SMARTCARD_HandleTypeDef *hsmartcard);
static void SMARTCARD_EndRxTransfer(SMARTCARD_HandleTypeDef *hsmartcard);
static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMAAbortOnError(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMATxAbortCallback(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMARxAbortCallback(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
static void SMARTCARD_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
static void SMARTCARD_TxISR(SMARTCARD_HandleTypeDef *hsmartcard);
#if defined(USART_CR1_FIFOEN)
static void SMARTCARD_TxISR_FIFOEN(SMARTCARD_HandleTypeDef *hsmartcard);
#endif /* USART_CR1_FIFOEN */
static void SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard);
static void SMARTCARD_RxISR(SMARTCARD_HandleTypeDef *hsmartcard);
#if defined(USART_CR1_FIFOEN)
static void SMARTCARD_RxISR_FIFOEN(SMARTCARD_HandleTypeDef *hsmartcard);
#endif /* USART_CR1_FIFOEN */

/* Exported functions --------------------------------------------------------*/

HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Check the SMARTCARD handle allocation */
  if (hsmartcard == NULL)
  {
    return HAL_ERROR;
  }

  /* Check the USART associated to the SMARTCARD handle */
  assert_param(IS_SMARTCARD_INSTANCE(hsmartcard->Instance));

  if (hsmartcard->gState == HAL_SMARTCARD_STATE_RESET)
  {
    /* Allocate lock resource and initialize it */
    hsmartcard->Lock = HAL_UNLOCKED;

#if USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1
    SMARTCARD_InitCallbacksToDefault(hsmartcard);

    if (hsmartcard->MspInitCallback == NULL)
    {
      hsmartcard->MspInitCallback = HAL_SMARTCARD_MspInit;
    }

    /* Init the low level hardware */
    hsmartcard->MspInitCallback(hsmartcard);
#else
    /* Init the low level hardware : GPIO, CLOCK */
    HAL_SMARTCARD_MspInit(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACKS */
  }

  hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY;

  /* Disable the Peripheral to set smartcard mode */
  CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

  /* In SmartCard mode, the following bits must be kept cleared:
  - LINEN in the USART_CR2 register,
  - HDSEL and IREN  bits in the USART_CR3 register.*/
  CLEAR_BIT(hsmartcard->Instance->CR2, USART_CR2_LINEN);
  CLEAR_BIT(hsmartcard->Instance->CR3, (USART_CR3_HDSEL | USART_CR3_IREN));

  /* set the USART in SMARTCARD mode */
  SET_BIT(hsmartcard->Instance->CR3, USART_CR3_SCEN);

  /* Set the SMARTCARD Communication parameters */
  if (SMARTCARD_SetConfig(hsmartcard) == HAL_ERROR)
  {
    return HAL_ERROR;
  }

  /* Set the SMARTCARD transmission completion indication */
  SMARTCARD_TRANSMISSION_COMPLETION_SETTING(hsmartcard);

  if (hsmartcard->AdvancedInit.AdvFeatureInit != SMARTCARD_ADVFEATURE_NO_INIT)
  {
    SMARTCARD_AdvFeatureConfig(hsmartcard);
  }

  /* Enable the Peripheral */
  SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

  /* TEACK and/or REACK to check before moving hsmartcard->gState and hsmartcard->RxState to Ready */
  return (SMARTCARD_CheckIdleState(hsmartcard));
}

HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Check the SMARTCARD handle allocation */
  if (hsmartcard == NULL)
  {
    return HAL_ERROR;
  }

  /* Check the USART/UART associated to the SMARTCARD handle */
  assert_param(IS_SMARTCARD_INSTANCE(hsmartcard->Instance));

  hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY;

  /* Disable the Peripheral */
  CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

  WRITE_REG(hsmartcard->Instance->CR1, 0x0U);
  WRITE_REG(hsmartcard->Instance->CR2, 0x0U);
  WRITE_REG(hsmartcard->Instance->CR3, 0x0U);
  WRITE_REG(hsmartcard->Instance->RTOR, 0x0U);
  WRITE_REG(hsmartcard->Instance->GTPR, 0x0U);

  /* DeInit the low level hardware */
#if USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1
  if (hsmartcard->MspDeInitCallback == NULL)
  {
    hsmartcard->MspDeInitCallback = HAL_SMARTCARD_MspDeInit;
  }
  /* DeInit the low level hardware */
  hsmartcard->MspDeInitCallback(hsmartcard);
#else
  HAL_SMARTCARD_MspDeInit(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACKS */

  hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
  hsmartcard->gState    = HAL_SMARTCARD_STATE_RESET;
  hsmartcard->RxState   = HAL_SMARTCARD_STATE_RESET;

  /* Process Unlock */
  __HAL_UNLOCK(hsmartcard);

  return HAL_OK;
}

__weak void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_MspInit can be implemented in the user file
   */
}

__weak void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_MspDeInit can be implemented in the user file
   */
}

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)

HAL_StatusTypeDef HAL_SMARTCARD_RegisterCallback(SMARTCARD_HandleTypeDef *hsmartcard,
                                                 HAL_SMARTCARD_CallbackIDTypeDef CallbackID, pSMARTCARD_CallbackTypeDef pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;

  if (pCallback == NULL)
  {
    /* Update the error code */
    hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

    return HAL_ERROR;
  }
  /* Process locked */
  __HAL_LOCK(hsmartcard);

  if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
  {
    switch (CallbackID)
    {

      case HAL_SMARTCARD_TX_COMPLETE_CB_ID :
        hsmartcard->TxCpltCallback = pCallback;
        break;

      case HAL_SMARTCARD_RX_COMPLETE_CB_ID :
        hsmartcard->RxCpltCallback = pCallback;
        break;

      case HAL_SMARTCARD_ERROR_CB_ID :
        hsmartcard->ErrorCallback = pCallback;
        break;

      case HAL_SMARTCARD_ABORT_COMPLETE_CB_ID :
        hsmartcard->AbortCpltCallback = pCallback;
        break;

      case HAL_SMARTCARD_ABORT_TRANSMIT_COMPLETE_CB_ID :
        hsmartcard->AbortTransmitCpltCallback = pCallback;
        break;

      case HAL_SMARTCARD_ABORT_RECEIVE_COMPLETE_CB_ID :
        hsmartcard->AbortReceiveCpltCallback = pCallback;
        break;

#if defined(USART_CR1_FIFOEN)
      case HAL_SMARTCARD_RX_FIFO_FULL_CB_ID :
        hsmartcard->RxFifoFullCallback = pCallback;
        break;

      case HAL_SMARTCARD_TX_FIFO_EMPTY_CB_ID :
        hsmartcard->TxFifoEmptyCallback = pCallback;
        break;
#endif /* USART_CR1_FIFOEN */

      case HAL_SMARTCARD_MSPINIT_CB_ID :
        hsmartcard->MspInitCallback = pCallback;
        break;

      case HAL_SMARTCARD_MSPDEINIT_CB_ID :
        hsmartcard->MspDeInitCallback = pCallback;
        break;

      default :
        /* Update the error code */
        hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (hsmartcard->gState == HAL_SMARTCARD_STATE_RESET)
  {
    switch (CallbackID)
    {
      case HAL_SMARTCARD_MSPINIT_CB_ID :
        hsmartcard->MspInitCallback = pCallback;
        break;

      case HAL_SMARTCARD_MSPDEINIT_CB_ID :
        hsmartcard->MspDeInitCallback = pCallback;
        break;

      default :
        /* Update the error code */
        hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Update the error code */
    hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

    /* Return error status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(hsmartcard);

  return status;
}

HAL_StatusTypeDef HAL_SMARTCARD_UnRegisterCallback(SMARTCARD_HandleTypeDef *hsmartcard,
                                                   HAL_SMARTCARD_CallbackIDTypeDef CallbackID)
{
  HAL_StatusTypeDef status = HAL_OK;

  /* Process locked */
  __HAL_LOCK(hsmartcard);

  if (HAL_SMARTCARD_STATE_READY == hsmartcard->gState)
  {
    switch (CallbackID)
    {
      case HAL_SMARTCARD_TX_COMPLETE_CB_ID :
        hsmartcard->TxCpltCallback = HAL_SMARTCARD_TxCpltCallback;                       /* Legacy weak TxCpltCallback            */
        break;

      case HAL_SMARTCARD_RX_COMPLETE_CB_ID :
        hsmartcard->RxCpltCallback = HAL_SMARTCARD_RxCpltCallback;                       /* Legacy weak RxCpltCallback            */
        break;

      case HAL_SMARTCARD_ERROR_CB_ID :
        hsmartcard->ErrorCallback = HAL_SMARTCARD_ErrorCallback;                         /* Legacy weak ErrorCallback             */
        break;

      case HAL_SMARTCARD_ABORT_COMPLETE_CB_ID :
        hsmartcard->AbortCpltCallback = HAL_SMARTCARD_AbortCpltCallback;                 /* Legacy weak AbortCpltCallback         */
        break;

      case HAL_SMARTCARD_ABORT_TRANSMIT_COMPLETE_CB_ID :
        hsmartcard->AbortTransmitCpltCallback = HAL_SMARTCARD_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
        break;

      case HAL_SMARTCARD_ABORT_RECEIVE_COMPLETE_CB_ID :
        hsmartcard->AbortReceiveCpltCallback = HAL_SMARTCARD_AbortReceiveCpltCallback;   /* Legacy weak AbortReceiveCpltCallback  */
        break;

#if defined(USART_CR1_FIFOEN)
      case HAL_SMARTCARD_RX_FIFO_FULL_CB_ID :
        hsmartcard->RxFifoFullCallback = HAL_SMARTCARDEx_RxFifoFullCallback;             /* Legacy weak RxFifoFullCallback        */
        break;

      case HAL_SMARTCARD_TX_FIFO_EMPTY_CB_ID :
        hsmartcard->TxFifoEmptyCallback = HAL_SMARTCARDEx_TxFifoEmptyCallback;           /* Legacy weak TxFifoEmptyCallback       */
        break;
#endif /* USART_CR1_FIFOEN */

      case HAL_SMARTCARD_MSPINIT_CB_ID :
        hsmartcard->MspInitCallback = HAL_SMARTCARD_MspInit;                             /* Legacy weak MspInitCallback           */
        break;

      case HAL_SMARTCARD_MSPDEINIT_CB_ID :
        hsmartcard->MspDeInitCallback = HAL_SMARTCARD_MspDeInit;                         /* Legacy weak MspDeInitCallback         */
        break;

      default :
        /* Update the error code */
        hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else if (HAL_SMARTCARD_STATE_RESET == hsmartcard->gState)
  {
    switch (CallbackID)
    {
      case HAL_SMARTCARD_MSPINIT_CB_ID :
        hsmartcard->MspInitCallback = HAL_SMARTCARD_MspInit;
        break;

      case HAL_SMARTCARD_MSPDEINIT_CB_ID :
        hsmartcard->MspDeInitCallback = HAL_SMARTCARD_MspDeInit;
        break;

      default :
        /* Update the error code */
        hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

        /* Return error status */
        status =  HAL_ERROR;
        break;
    }
  }
  else
  {
    /* Update the error code */
    hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_INVALID_CALLBACK;

    /* Return error status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(hsmartcard);

  return status;
}
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACKS */

HAL_StatusTypeDef HAL_SMARTCARD_Transmit(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t *pData, uint16_t Size,
                                         uint32_t Timeout)
{
  uint32_t tickstart;
  uint8_t  *ptmpdata = pData;

  /* Check that a Tx process is not already ongoing */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
  {
    if ((ptmpdata == NULL) || (Size == 0U))
    {
      return  HAL_ERROR;
    }

    /* Process Locked */
    __HAL_LOCK(hsmartcard);

    hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY_TX;

    /* Init tickstart for timeout management */
    tickstart = HAL_GetTick();

    /* Disable the Peripheral first to update mode for TX master */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

    /* Disable Rx, enable Tx */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RE);
    SET_BIT(hsmartcard->Instance->RQR, (uint16_t)SMARTCARD_RXDATA_FLUSH_REQUEST);
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TE);

    /* Enable the Peripheral */
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
    hsmartcard->TxXferSize = Size;
    hsmartcard->TxXferCount = Size;

    while (hsmartcard->TxXferCount > 0U)
    {
      hsmartcard->TxXferCount--;
      if (SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, SMARTCARD_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)
      {
        return HAL_TIMEOUT;
      }
      hsmartcard->Instance->TDR = (uint8_t)(*ptmpdata & 0xFFU);
      ptmpdata++;
    }
    if (SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, SMARTCARD_TRANSMISSION_COMPLETION_FLAG(hsmartcard), RESET, tickstart,
                                         Timeout) != HAL_OK)
    {
      return HAL_TIMEOUT;
    }
    /* Re-enable Rx at end of transmission if initial mode is Rx/Tx */
    if (hsmartcard->Init.Mode == SMARTCARD_MODE_TX_RX)
    {
      /* Disable the Peripheral first to update modes */
      CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_RE);
      /* Enable the Peripheral */
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);
    }

    /* At end of Tx process, restore hsmartcard->gState to Ready */
    hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

    /* Process Unlocked */
    __HAL_UNLOCK(hsmartcard);

    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_SMARTCARD_Receive(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t *pData, uint16_t Size,
                                        uint32_t Timeout)
{
  uint32_t tickstart;
  uint8_t  *ptmpdata = pData;

  /* Check that a Rx process is not already ongoing */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_READY)
  {
    if ((ptmpdata == NULL) || (Size == 0U))
    {
      return  HAL_ERROR;
    }

    /* Process Locked */
    __HAL_LOCK(hsmartcard);

    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
    hsmartcard->RxState   = HAL_SMARTCARD_STATE_BUSY_RX;

    /* Init tickstart for timeout management */
    tickstart = HAL_GetTick();

    hsmartcard->RxXferSize = Size;
    hsmartcard->RxXferCount = Size;

    /* Check the remain data to be received */
    while (hsmartcard->RxXferCount > 0U)
    {
      hsmartcard->RxXferCount--;

      if (SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, SMARTCARD_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK)
      {
        return HAL_TIMEOUT;
      }
      *ptmpdata = (uint8_t)(hsmartcard->Instance->RDR & (uint8_t)0x00FF);
      ptmpdata++;
    }

    /* At end of Rx process, restore hsmartcard->RxState to Ready */
    hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

    /* Process Unlocked */
    __HAL_UNLOCK(hsmartcard);

    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t *pData, uint16_t Size)
{
  /* Check that a Tx process is not already ongoing */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }

    /* Process Locked */
    __HAL_LOCK(hsmartcard);

    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
    hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY_TX;

    hsmartcard->pTxBuffPtr  = pData;
    hsmartcard->TxXferSize  = Size;
    hsmartcard->TxXferCount = Size;
    hsmartcard->TxISR       = NULL;

    /* Disable the Peripheral first to update mode for TX master */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

    /* Disable Rx, enable Tx */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RE);
    SET_BIT(hsmartcard->Instance->RQR, (uint16_t)SMARTCARD_RXDATA_FLUSH_REQUEST);
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TE);

    /* Enable the Peripheral */
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

    /* Configure Tx interrupt processing */
#if defined(USART_CR1_FIFOEN)
    if (hsmartcard->FifoMode == SMARTCARD_FIFOMODE_ENABLE)
    {
      /* Set the Tx ISR function pointer */
      hsmartcard->TxISR = SMARTCARD_TxISR_FIFOEN;

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Enable the SMARTCARD Error Interrupt: (Frame error) */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

      /* Enable the TX FIFO threshold interrupt */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_TXFTIE);
    }
    else
    {
      /* Set the Tx ISR function pointer */
      hsmartcard->TxISR = SMARTCARD_TxISR;

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Enable the SMARTCARD Error Interrupt: (Frame error) */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

      /* Enable the SMARTCARD Transmit Data Register Empty Interrupt */
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TXEIE_TXFNFIE);
    }
#else
    /* Set the Tx ISR function pointer */
    hsmartcard->TxISR = SMARTCARD_TxISR;

    /* Process Unlocked */
    __HAL_UNLOCK(hsmartcard);

    /* Enable the SMARTCARD Error Interrupt: (Frame error) */
    SET_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

    /* Enable the SMARTCARD Transmit Data Register Empty Interrupt */
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TXEIE);
#endif /* USART_CR1_FIFOEN */

    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t *pData, uint16_t Size)
{
  /* Check that a Rx process is not already ongoing */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }

    /* Process Locked */
    __HAL_LOCK(hsmartcard);

    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
    hsmartcard->RxState   = HAL_SMARTCARD_STATE_BUSY_RX;

    hsmartcard->pRxBuffPtr = pData;
    hsmartcard->RxXferSize = Size;
    hsmartcard->RxXferCount = Size;

    /* Configure Rx interrupt processing */
#if defined(USART_CR1_FIFOEN)
    if ((hsmartcard->FifoMode == SMARTCARD_FIFOMODE_ENABLE) && (Size >= hsmartcard->NbRxDataToProcess))
    {
      /* Set the Rx ISR function pointer */
      hsmartcard->RxISR = SMARTCARD_RxISR_FIFOEN;

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Enable the SMARTCART Parity Error interrupt and RX FIFO Threshold interrupt */
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE);
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_RXFTIE);
    }
    else
    {
      /* Set the Rx ISR function pointer */
      hsmartcard->RxISR = SMARTCARD_RxISR;

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Enable the SMARTCARD Parity Error and Data Register not empty Interrupts */
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE_RXFNEIE);
    }
#else
    /* Set the Rx ISR function pointer */
    hsmartcard->RxISR = SMARTCARD_RxISR;

    /* Process Unlocked */
    __HAL_UNLOCK(hsmartcard);

    /* Enable the SMARTCARD Parity Error and Data Register not empty Interrupts */
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE);
#endif /* USART_CR1_FIFOEN */

    /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
    SET_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

    return HAL_OK;
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_SMARTCARD_Transmit_DMA(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t *pData, uint16_t Size)
{
  /* Check that a Tx process is not already ongoing */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }

    /* Process Locked */
    __HAL_LOCK(hsmartcard);

    hsmartcard->gState = HAL_SMARTCARD_STATE_BUSY_TX;

    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
    hsmartcard->pTxBuffPtr = pData;
    hsmartcard->TxXferSize = Size;
    hsmartcard->TxXferCount = Size;

    /* Disable the Peripheral first to update mode for TX master */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

    /* Disable Rx, enable Tx */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RE);
    SET_BIT(hsmartcard->Instance->RQR, (uint16_t)SMARTCARD_RXDATA_FLUSH_REQUEST);
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_TE);

    /* Enable the Peripheral */
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);

    /* Set the SMARTCARD DMA transfer complete callback */
    hsmartcard->hdmatx->XferCpltCallback = SMARTCARD_DMATransmitCplt;

    /* Set the SMARTCARD error callback */
    hsmartcard->hdmatx->XferErrorCallback = SMARTCARD_DMAError;

    /* Set the DMA abort callback */
    hsmartcard->hdmatx->XferAbortCallback = NULL;

    /* Enable the SMARTCARD transmit DMA channel */
    if (HAL_DMA_Start_IT(hsmartcard->hdmatx, (uint32_t)hsmartcard->pTxBuffPtr, (uint32_t)&hsmartcard->Instance->TDR,
                         Size) == HAL_OK)
    {
      /* Clear the TC flag in the ICR register */
      CLEAR_BIT(hsmartcard->Instance->ICR, USART_ICR_TCCF);

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Enable the UART Error Interrupt: (Frame error) */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

      /* Enable the DMA transfer for transmit request by setting the DMAT bit
         in the SMARTCARD associated USART CR3 register */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

      return HAL_OK;
    }
    else
    {
      /* Set error code to DMA */
      hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_DMA;

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Restore hsmartcard->State to ready */
      hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

      return HAL_ERROR;
    }
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsmartcard, uint8_t *pData, uint16_t Size)
{
  /* Check that a Rx process is not already ongoing */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_READY)
  {
    if ((pData == NULL) || (Size == 0U))
    {
      return HAL_ERROR;
    }

    /* Process Locked */
    __HAL_LOCK(hsmartcard);

    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
    hsmartcard->RxState   = HAL_SMARTCARD_STATE_BUSY_RX;

    hsmartcard->pRxBuffPtr = pData;
    hsmartcard->RxXferSize = Size;

    /* Set the SMARTCARD DMA transfer complete callback */
    hsmartcard->hdmarx->XferCpltCallback = SMARTCARD_DMAReceiveCplt;

    /* Set the SMARTCARD DMA error callback */
    hsmartcard->hdmarx->XferErrorCallback = SMARTCARD_DMAError;

    /* Set the DMA abort callback */
    hsmartcard->hdmarx->XferAbortCallback = NULL;

    /* Enable the DMA channel */
    if (HAL_DMA_Start_IT(hsmartcard->hdmarx, (uint32_t)&hsmartcard->Instance->RDR, (uint32_t)hsmartcard->pRxBuffPtr,
                         Size) == HAL_OK)
    {
      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Enable the SMARTCARD Parity Error Interrupt */
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE);

      /* Enable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

      /* Enable the DMA transfer for the receiver request by setting the DMAR bit
         in the SMARTCARD associated USART CR3 register */
      SET_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

      return HAL_OK;
    }
    else
    {
      /* Set error code to DMA */
      hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_DMA;

      /* Process Unlocked */
      __HAL_UNLOCK(hsmartcard);

      /* Restore hsmartcard->State to ready */
      hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

      return HAL_ERROR;
    }
  }
  else
  {
    return HAL_BUSY;
  }
}

HAL_StatusTypeDef HAL_SMARTCARD_Abort(SMARTCARD_HandleTypeDef *hsmartcard)
{
#if defined(USART_CR1_FIFOEN)
  /* Disable RTOIE, EOBIE, TXEIE, TCIE, RXNE, PE, RXFT, TXFT and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1,
            (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE | USART_CR1_TXEIE_TXFNFIE | USART_CR1_TCIE | USART_CR1_RTOIE |
             USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, (USART_CR3_EIE | USART_CR3_RXFTIE | USART_CR3_TXFTIE));
#else
  /* Disable RTOIE, EOBIE, TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1,
            (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RTOIE | USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
#endif /* USART_CR1_FIFOEN */

  /* Disable the SMARTCARD DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

    /* Abort the SMARTCARD DMA Tx channel : use blocking DMA Abort API (no callback) */
    if (hsmartcard->hdmatx != NULL)
    {
      /* Set the SMARTCARD DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      hsmartcard->hdmatx->XferAbortCallback = NULL;

      if (HAL_DMA_Abort(hsmartcard->hdmatx) != HAL_OK)
      {
        if (HAL_DMA_GetError(hsmartcard->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_DMA;

          return HAL_TIMEOUT;
        }
      }
    }
  }

  /* Disable the SMARTCARD DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

    /* Abort the SMARTCARD DMA Rx channel : use blocking DMA Abort API (no callback) */
    if (hsmartcard->hdmarx != NULL)
    {
      /* Set the SMARTCARD DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      hsmartcard->hdmarx->XferAbortCallback = NULL;

      if (HAL_DMA_Abort(hsmartcard->hdmarx) != HAL_OK)
      {
        if (HAL_DMA_GetError(hsmartcard->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_DMA;

          return HAL_TIMEOUT;
        }
      }
    }
  }

  /* Reset Tx and Rx transfer counters */
  hsmartcard->TxXferCount = 0U;
  hsmartcard->RxXferCount = 0U;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                             SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                             SMARTCARD_CLEAR_EOBF);

  /* Restore hsmartcard->gState and hsmartcard->RxState to Ready */
  hsmartcard->gState  = HAL_SMARTCARD_STATE_READY;
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

  /* Reset Handle ErrorCode to No Error */
  hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;

  return HAL_OK;
}

HAL_StatusTypeDef HAL_SMARTCARD_AbortTransmit(SMARTCARD_HandleTypeDef *hsmartcard)
{
#if defined(USART_CR1_FIFOEN)
  /* Disable TCIE, TXEIE and TXFTIE interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_TXEIE_TXFNFIE | USART_CR1_TCIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_TXFTIE);
#else
  /* Disable TXEIE and TCIE interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
#endif /* USART_CR1_FIFOEN */

  /* Check if a receive process is ongoing or not. If not disable ERR IT */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_READY)
  {
    /* Disable the SMARTCARD Error Interrupt: (Frame error) */
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
  }

  /* Disable the SMARTCARD DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

    /* Abort the SMARTCARD DMA Tx channel : use blocking DMA Abort API (no callback) */
    if (hsmartcard->hdmatx != NULL)
    {
      /* Set the SMARTCARD DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      hsmartcard->hdmatx->XferAbortCallback = NULL;

      if (HAL_DMA_Abort(hsmartcard->hdmatx) != HAL_OK)
      {
        if (HAL_DMA_GetError(hsmartcard->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_DMA;

          return HAL_TIMEOUT;
        }
      }
    }
  }

  /* Reset Tx transfer counter */
  hsmartcard->TxXferCount = 0U;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard, SMARTCARD_CLEAR_FEF);

  /* Restore hsmartcard->gState to Ready */
  hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

  return HAL_OK;
}

HAL_StatusTypeDef HAL_SMARTCARD_AbortReceive(SMARTCARD_HandleTypeDef *hsmartcard)
{
#if defined(USART_CR1_FIFOEN)
  /* Disable RTOIE, EOBIE, RXNE, PE, RXFT, TXFT and  ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE | USART_CR1_RTOIE | USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, (USART_CR3_EIE | USART_CR3_RXFTIE));
#else
  /* Disable RTOIE, EOBIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_RTOIE | USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
#endif /* USART_CR1_FIFOEN */

  /* Check if a Transmit process is ongoing or not. If not disable ERR IT */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
  {
    /* Disable the SMARTCARD Error Interrupt: (Frame error) */
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
  }

  /* Disable the SMARTCARD DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

    /* Abort the SMARTCARD DMA Rx channel : use blocking DMA Abort API (no callback) */
    if (hsmartcard->hdmarx != NULL)
    {
      /* Set the SMARTCARD DMA Abort callback to Null.
         No call back execution at end of DMA abort procedure */
      hsmartcard->hdmarx->XferAbortCallback = NULL;

      if (HAL_DMA_Abort(hsmartcard->hdmarx) != HAL_OK)
      {
        if (HAL_DMA_GetError(hsmartcard->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
        {
          /* Set error code to DMA */
          hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_DMA;

          return HAL_TIMEOUT;
        }
      }
    }
  }

  /* Reset Rx transfer counter */
  hsmartcard->RxXferCount = 0U;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                             SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                             SMARTCARD_CLEAR_EOBF);

  /* Restore hsmartcard->RxState to Ready */
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

  return HAL_OK;
}

HAL_StatusTypeDef HAL_SMARTCARD_Abort_IT(SMARTCARD_HandleTypeDef *hsmartcard)
{
  uint32_t abortcplt = 1U;

#if defined(USART_CR1_FIFOEN)
  /* Disable RTOIE, EOBIE, TXEIE, TCIE, RXNE, PE, RXFT, TXFT and  ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1,
            (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE | USART_CR1_TXEIE_TXFNFIE | USART_CR1_TCIE | USART_CR1_RTOIE |
             USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, (USART_CR3_EIE | USART_CR3_RXFTIE | USART_CR3_TXFTIE));
#else
  /* Disable RTOIE, EOBIE, TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1,
            (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RTOIE | USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
#endif /* USART_CR1_FIFOEN */

  /* If DMA Tx and/or DMA Rx Handles are associated to SMARTCARD Handle, DMA Abort complete callbacks should be initialised
     before any call to DMA Abort functions */
  /* DMA Tx Handle is valid */
  if (hsmartcard->hdmatx != NULL)
  {
    /* Set DMA Abort Complete callback if SMARTCARD DMA Tx request if enabled.
       Otherwise, set it to NULL */
    if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
    {
      hsmartcard->hdmatx->XferAbortCallback = SMARTCARD_DMATxAbortCallback;
    }
    else
    {
      hsmartcard->hdmatx->XferAbortCallback = NULL;
    }
  }
  /* DMA Rx Handle is valid */
  if (hsmartcard->hdmarx != NULL)
  {
    /* Set DMA Abort Complete callback if SMARTCARD DMA Rx request if enabled.
       Otherwise, set it to NULL */
    if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
    {
      hsmartcard->hdmarx->XferAbortCallback = SMARTCARD_DMARxAbortCallback;
    }
    else
    {
      hsmartcard->hdmarx->XferAbortCallback = NULL;
    }
  }

  /* Disable the SMARTCARD DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
  {
    /* Disable DMA Tx at UART level */
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

    /* Abort the SMARTCARD DMA Tx channel : use non blocking DMA Abort API (callback) */
    if (hsmartcard->hdmatx != NULL)
    {
      /* SMARTCARD Tx DMA Abort callback has already been initialised :
         will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */

      /* Abort DMA TX */
      if (HAL_DMA_Abort_IT(hsmartcard->hdmatx) != HAL_OK)
      {
        hsmartcard->hdmatx->XferAbortCallback = NULL;
      }
      else
      {
        abortcplt = 0U;
      }
    }
  }

  /* Disable the SMARTCARD DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

    /* Abort the SMARTCARD DMA Rx channel : use non blocking DMA Abort API (callback) */
    if (hsmartcard->hdmarx != NULL)
    {
      /* SMARTCARD Rx DMA Abort callback has already been initialised :
         will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */

      /* Abort DMA RX */
      if (HAL_DMA_Abort_IT(hsmartcard->hdmarx) != HAL_OK)
      {
        hsmartcard->hdmarx->XferAbortCallback = NULL;
        abortcplt = 1U;
      }
      else
      {
        abortcplt = 0U;
      }
    }
  }

  /* if no DMA abort complete callback execution is required => call user Abort Complete callback */
  if (abortcplt == 1U)
  {
    /* Reset Tx and Rx transfer counters */
    hsmartcard->TxXferCount = 0U;
    hsmartcard->RxXferCount = 0U;

    /* Clear ISR function pointers */
    hsmartcard->RxISR = NULL;
    hsmartcard->TxISR = NULL;

    /* Reset errorCode */
    hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;

    /* Clear the Error flags in the ICR register */
    __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                               SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                               SMARTCARD_CLEAR_EOBF);

    /* Restore hsmartcard->gState and hsmartcard->RxState to Ready */
    hsmartcard->gState  = HAL_SMARTCARD_STATE_READY;
    hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

    /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
    /* Call registered Abort complete callback */
    hsmartcard->AbortCpltCallback(hsmartcard);
#else
    /* Call legacy weak Abort complete callback */
    HAL_SMARTCARD_AbortCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
  }

  return HAL_OK;
}

HAL_StatusTypeDef HAL_SMARTCARD_AbortTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard)
{
#if defined(USART_CR1_FIFOEN)
  /* Disable TCIE, TXEIE and TXFTIE interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_TXEIE_TXFNFIE | USART_CR1_TCIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_TXFTIE);
#else
  /* Disable TXEIE and TCIE interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
#endif /* USART_CR1_FIFOEN */

  /* Check if a receive process is ongoing or not. If not disable ERR IT */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_READY)
  {
    /* Disable the SMARTCARD Error Interrupt: (Frame error) */
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
  }

  /* Disable the SMARTCARD DMA Tx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

    /* Abort the SMARTCARD DMA Tx channel : use non blocking DMA Abort API (callback) */
    if (hsmartcard->hdmatx != NULL)
    {
      /* Set the SMARTCARD DMA Abort callback :
         will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */
      hsmartcard->hdmatx->XferAbortCallback = SMARTCARD_DMATxOnlyAbortCallback;

      /* Abort DMA TX */
      if (HAL_DMA_Abort_IT(hsmartcard->hdmatx) != HAL_OK)
      {
        /* Call Directly hsmartcard->hdmatx->XferAbortCallback function in case of error */
        hsmartcard->hdmatx->XferAbortCallback(hsmartcard->hdmatx);
      }
    }
    else
    {
      /* Reset Tx transfer counter */
      hsmartcard->TxXferCount = 0U;

      /* Clear TxISR function pointers */
      hsmartcard->TxISR = NULL;

      /* Restore hsmartcard->gState to Ready */
      hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

      /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
      /* Call registered Abort Transmit Complete Callback */
      hsmartcard->AbortTransmitCpltCallback(hsmartcard);
#else
      /* Call legacy weak Abort Transmit Complete Callback */
      HAL_SMARTCARD_AbortTransmitCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
    }
  }
  else
  {
    /* Reset Tx transfer counter */
    hsmartcard->TxXferCount = 0U;

    /* Clear TxISR function pointers */
    hsmartcard->TxISR = NULL;

    /* Clear the Error flags in the ICR register */
    __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard, SMARTCARD_CLEAR_FEF);

    /* Restore hsmartcard->gState to Ready */
    hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

    /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
    /* Call registered Abort Transmit Complete Callback */
    hsmartcard->AbortTransmitCpltCallback(hsmartcard);
#else
    /* Call legacy weak Abort Transmit Complete Callback */
    HAL_SMARTCARD_AbortTransmitCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
  }

  return HAL_OK;
}

HAL_StatusTypeDef HAL_SMARTCARD_AbortReceive_IT(SMARTCARD_HandleTypeDef *hsmartcard)
{
#if defined(USART_CR1_FIFOEN)
  /* Disable RTOIE, EOBIE, RXNE, PE, RXFT and  ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE | USART_CR1_RTOIE | USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, (USART_CR3_EIE | USART_CR3_RXFTIE));
#else
  /* Disable RTOIE, EOBIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_RTOIE | USART_CR1_EOBIE));
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
#endif /* USART_CR1_FIFOEN */

  /* Check if a Transmit process is ongoing or not. If not disable ERR IT */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
  {
    /* Disable the SMARTCARD Error Interrupt: (Frame error) */
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
  }

  /* Disable the SMARTCARD DMA Rx request if enabled */
  if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
  {
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

    /* Abort the SMARTCARD DMA Rx channel : use non blocking DMA Abort API (callback) */
    if (hsmartcard->hdmarx != NULL)
    {
      /* Set the SMARTCARD DMA Abort callback :
         will lead to call HAL_SMARTCARD_AbortCpltCallback() at end of DMA abort procedure */
      hsmartcard->hdmarx->XferAbortCallback = SMARTCARD_DMARxOnlyAbortCallback;

      /* Abort DMA RX */
      if (HAL_DMA_Abort_IT(hsmartcard->hdmarx) != HAL_OK)
      {
        /* Call Directly hsmartcard->hdmarx->XferAbortCallback function in case of error */
        hsmartcard->hdmarx->XferAbortCallback(hsmartcard->hdmarx);
      }
    }
    else
    {
      /* Reset Rx transfer counter */
      hsmartcard->RxXferCount = 0U;

      /* Clear RxISR function pointer */
      hsmartcard->RxISR = NULL;

      /* Clear the Error flags in the ICR register */
      __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                                 SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                                 SMARTCARD_CLEAR_EOBF);

      /* Restore hsmartcard->RxState to Ready */
      hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

      /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
      /* Call registered Abort Receive Complete Callback */
      hsmartcard->AbortReceiveCpltCallback(hsmartcard);
#else
      /* Call legacy weak Abort Receive Complete Callback */
      HAL_SMARTCARD_AbortReceiveCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
    }
  }
  else
  {
    /* Reset Rx transfer counter */
    hsmartcard->RxXferCount = 0U;

    /* Clear RxISR function pointer */
    hsmartcard->RxISR = NULL;

    /* Clear the Error flags in the ICR register */
    __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                               SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                               SMARTCARD_CLEAR_EOBF);

    /* Restore hsmartcard->RxState to Ready */
    hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

    /* As no DMA to be aborted, call directly user Abort complete callback */
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
    /* Call registered Abort Receive Complete Callback */
    hsmartcard->AbortReceiveCpltCallback(hsmartcard);
#else
    /* Call legacy weak Abort Receive Complete Callback */
    HAL_SMARTCARD_AbortReceiveCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
  }

  return HAL_OK;
}

void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsmartcard)
{
  uint32_t isrflags   = READ_REG(hsmartcard->Instance->ISR);
  uint32_t cr1its     = READ_REG(hsmartcard->Instance->CR1);
  uint32_t cr3its     = READ_REG(hsmartcard->Instance->CR3);
  uint32_t errorflags;
  uint32_t errorcode;

  /* If no error occurs */
  errorflags = (isrflags & (uint32_t)(USART_ISR_PE | USART_ISR_FE | USART_ISR_ORE | USART_ISR_NE | USART_ISR_RTOF));
  if (errorflags == 0U)
  {
    /* SMARTCARD in mode Receiver ---------------------------------------------------*/
#if defined(USART_CR1_FIFOEN)
    if (((isrflags & USART_ISR_RXNE_RXFNE) != 0U)
        && (((cr1its & USART_CR1_RXNEIE_RXFNEIE) != 0U)
            || ((cr3its & USART_CR3_RXFTIE) != 0U)))
#else
    if (((isrflags & USART_ISR_RXNE) != 0U)
        && ((cr1its & USART_CR1_RXNEIE) != 0U))
#endif /* USART_CR1_FIFOEN */
    {
      if (hsmartcard->RxISR != NULL)
      {
        hsmartcard->RxISR(hsmartcard);
      }
      return;
    }
  }

  /* If some errors occur */
#if defined(USART_CR1_FIFOEN)
  if ((errorflags != 0U)
      && ((((cr3its & (USART_CR3_RXFTIE | USART_CR3_EIE)) != 0U)
           || ((cr1its & (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE)) != 0U))))
#else
  if ((errorflags != 0U)
      && (((cr3its & USART_CR3_EIE) != 0U)
          || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != 0U)))
#endif /* USART_CR1_FIFOEN */
  {
    /* SMARTCARD parity error interrupt occurred -------------------------------------*/
    if (((isrflags & USART_ISR_PE) != 0U) && ((cr1its & USART_CR1_PEIE) != 0U))
    {
      __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_PEF);

      hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_PE;
    }

    /* SMARTCARD frame error interrupt occurred --------------------------------------*/
    if (((isrflags & USART_ISR_FE) != 0U) && ((cr3its & USART_CR3_EIE) != 0U))
    {
      __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_FEF);

      hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_FE;
    }

    /* SMARTCARD noise error interrupt occurred --------------------------------------*/
    if (((isrflags & USART_ISR_NE) != 0U) && ((cr3its & USART_CR3_EIE) != 0U))
    {
      __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_NEF);

      hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_NE;
    }

    /* SMARTCARD Over-Run interrupt occurred -----------------------------------------*/
#if defined(USART_CR1_FIFOEN)
    if (((isrflags & USART_ISR_ORE) != 0U)
        && (((cr1its & USART_CR1_RXNEIE_RXFNEIE) != 0U)
            || ((cr3its & USART_CR3_RXFTIE) != 0U)
            || ((cr3its & USART_CR3_EIE) != 0U)))
#else
    if (((isrflags & USART_ISR_ORE) != 0U)
        && (((cr1its & USART_CR1_RXNEIE) != 0U)
            || ((cr3its & USART_CR3_EIE) != 0U)))
#endif /* USART_CR1_FIFOEN */
    {
      __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_OREF);

      hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_ORE;
    }

    /* SMARTCARD receiver timeout interrupt occurred -----------------------------------------*/
    if (((isrflags & USART_ISR_RTOF) != 0U) && ((cr1its & USART_CR1_RTOIE) != 0U))
    {
      __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_RTOF);

      hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_RTO;
    }

    /* Call SMARTCARD Error Call back function if need be --------------------------*/
    if (hsmartcard->ErrorCode != HAL_SMARTCARD_ERROR_NONE)
    {
      /* SMARTCARD in mode Receiver ---------------------------------------------------*/
#if defined(USART_CR1_FIFOEN)
      if (((isrflags & USART_ISR_RXNE_RXFNE) != 0U)
          && (((cr1its & USART_CR1_RXNEIE_RXFNEIE) != 0U)
              || ((cr3its & USART_CR3_RXFTIE) != 0U)))
#else
      if (((isrflags & USART_ISR_RXNE) != 0U)
          && ((cr1its & USART_CR1_RXNEIE) != 0U))
#endif /* USART_CR1_FIFOEN */
      {
        if (hsmartcard->RxISR != NULL)
        {
          hsmartcard->RxISR(hsmartcard);
        }
      }

      /* If Error is to be considered as blocking :
          - Receiver Timeout error in Reception
          - Overrun error in Reception
          - any error occurs in DMA mode reception
      */
      errorcode = hsmartcard->ErrorCode;
      if ((HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
          || ((errorcode & (HAL_SMARTCARD_ERROR_RTO | HAL_SMARTCARD_ERROR_ORE)) != 0U))
      {
        /* Blocking error : transfer is aborted
           Set the SMARTCARD state ready to be able to start again the process,
           Disable Rx Interrupts, and disable Rx DMA request, if ongoing */
        SMARTCARD_EndRxTransfer(hsmartcard);

        /* Disable the SMARTCARD DMA Rx request if enabled */
        if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
        {
          CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

          /* Abort the SMARTCARD DMA Rx channel */
          if (hsmartcard->hdmarx != NULL)
          {
            /* Set the SMARTCARD DMA Abort callback :
               will lead to call HAL_SMARTCARD_ErrorCallback() at end of DMA abort procedure */
            hsmartcard->hdmarx->XferAbortCallback = SMARTCARD_DMAAbortOnError;

            /* Abort DMA RX */
            if (HAL_DMA_Abort_IT(hsmartcard->hdmarx) != HAL_OK)
            {
              /* Call Directly hsmartcard->hdmarx->XferAbortCallback function in case of error */
              hsmartcard->hdmarx->XferAbortCallback(hsmartcard->hdmarx);
            }
          }
          else
          {
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
            /* Call registered user error callback */
            hsmartcard->ErrorCallback(hsmartcard);
#else
            /* Call legacy weak user error callback */
            HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
          }
        }
        else
        {
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
          /* Call registered user error callback */
          hsmartcard->ErrorCallback(hsmartcard);
#else
          /* Call legacy weak user error callback */
          HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
        }
      }
      /* other error type to be considered as blocking :
          - Frame error in Transmission
      */
      else if ((hsmartcard->gState == HAL_SMARTCARD_STATE_BUSY_TX)
               && ((errorcode & HAL_SMARTCARD_ERROR_FE) != 0U))
      {
        /* Blocking error : transfer is aborted
           Set the SMARTCARD state ready to be able to start again the process,
           Disable Tx Interrupts, and disable Tx DMA request, if ongoing */
        SMARTCARD_EndTxTransfer(hsmartcard);

        /* Disable the SMARTCARD DMA Tx request if enabled */
        if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
        {
          CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

          /* Abort the SMARTCARD DMA Tx channel */
          if (hsmartcard->hdmatx != NULL)
          {
            /* Set the SMARTCARD DMA Abort callback :
               will lead to call HAL_SMARTCARD_ErrorCallback() at end of DMA abort procedure */
            hsmartcard->hdmatx->XferAbortCallback = SMARTCARD_DMAAbortOnError;

            /* Abort DMA TX */
            if (HAL_DMA_Abort_IT(hsmartcard->hdmatx) != HAL_OK)
            {
              /* Call Directly hsmartcard->hdmatx->XferAbortCallback function in case of error */
              hsmartcard->hdmatx->XferAbortCallback(hsmartcard->hdmatx);
            }
          }
          else
          {
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
            /* Call registered user error callback */
            hsmartcard->ErrorCallback(hsmartcard);
#else
            /* Call legacy weak user error callback */
            HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
          }
        }
        else
        {
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
          /* Call registered user error callback */
          hsmartcard->ErrorCallback(hsmartcard);
#else
          /* Call legacy weak user error callback */
          HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
        }
      }
      else
      {
        /* Non Blocking error : transfer could go on.
           Error is notified to user through user error callback */
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
        /* Call registered user error callback */
        hsmartcard->ErrorCallback(hsmartcard);
#else
        /* Call legacy weak user error callback */
        HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
        hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
      }
    }
    return;

  } /* End if some error occurs */

  /* SMARTCARD in mode Receiver, end of block interruption ------------------------*/
  if (((isrflags & USART_ISR_EOBF) != 0U) && ((cr1its & USART_CR1_EOBIE) != 0U))
  {
    hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;
    __HAL_UNLOCK(hsmartcard);
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
    /* Call registered Rx complete callback */
    hsmartcard->RxCpltCallback(hsmartcard);
#else
    /* Call legacy weak Rx complete callback */
    HAL_SMARTCARD_RxCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
    /* Clear EOBF interrupt after HAL_SMARTCARD_RxCpltCallback() call for the End of Block information
       to be available during HAL_SMARTCARD_RxCpltCallback() processing */
    __HAL_SMARTCARD_CLEAR_IT(hsmartcard, SMARTCARD_CLEAR_EOBF);
    return;
  }

  /* SMARTCARD in mode Transmitter ------------------------------------------------*/
#if defined(USART_CR1_FIFOEN)
  if (((isrflags & USART_ISR_TXE_TXFNF) != 0U)
      && (((cr1its & USART_CR1_TXEIE_TXFNFIE) != 0U)
          || ((cr3its & USART_CR3_TXFTIE) != 0U)))
#else
  if (((isrflags & USART_ISR_TXE) != 0U)
      && ((cr1its & USART_CR1_TXEIE) != 0U))
#endif /* USART_CR1_FIFOEN */
  {
    if (hsmartcard->TxISR != NULL)
    {
      hsmartcard->TxISR(hsmartcard);
    }
    return;
  }

  /* SMARTCARD in mode Transmitter (transmission end) ------------------------*/
  if (__HAL_SMARTCARD_GET_IT(hsmartcard, hsmartcard->AdvancedInit.TxCompletionIndication) != RESET)
  {
    if (__HAL_SMARTCARD_GET_IT_SOURCE(hsmartcard, hsmartcard->AdvancedInit.TxCompletionIndication) != RESET)
    {
      SMARTCARD_EndTransmit_IT(hsmartcard);
      return;
    }
  }

#if defined(USART_CR1_FIFOEN)
  /* SMARTCARD TX Fifo Empty occurred ----------------------------------------------*/
  if (((isrflags & USART_ISR_TXFE) != 0U) && ((cr1its & USART_CR1_TXFEIE) != 0U))
  {
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
    /* Call registered Tx Fifo Empty Callback */
    hsmartcard->TxFifoEmptyCallback(hsmartcard);
#else
    /* Call legacy weak Tx Fifo Empty Callback */
    HAL_SMARTCARDEx_TxFifoEmptyCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
    return;
  }

  /* SMARTCARD RX Fifo Full occurred ----------------------------------------------*/
  if (((isrflags & USART_ISR_RXFF) != 0U) && ((cr1its & USART_CR1_RXFFIE) != 0U))
  {
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
    /* Call registered Rx Fifo Full Callback */
    hsmartcard->RxFifoFullCallback(hsmartcard);
#else
    /* Call legacy weak Rx Fifo Full Callback */
    HAL_SMARTCARDEx_RxFifoFullCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
    return;
  }
#endif /* USART_CR1_FIFOEN */
}

__weak void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_TxCpltCallback can be implemented in the user file.
   */
}

__weak void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_RxCpltCallback can be implemented in the user file.
   */
}

__weak void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_ErrorCallback can be implemented in the user file.
   */
}

__weak void HAL_SMARTCARD_AbortCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_AbortCpltCallback can be implemented in the user file.
   */
}

__weak void HAL_SMARTCARD_AbortTransmitCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_AbortTransmitCpltCallback can be implemented in the user file.
   */
}

__weak void HAL_SMARTCARD_AbortReceiveCpltCallback(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hsmartcard);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_SMARTCARD_AbortReceiveCpltCallback can be implemented in the user file.
   */
}

HAL_SMARTCARD_StateTypeDef HAL_SMARTCARD_GetState(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Return SMARTCARD handle state */
  uint32_t temp1;
  uint32_t temp2;
  temp1 = (uint32_t)hsmartcard->gState;
  temp2 = (uint32_t)hsmartcard->RxState;

  return (HAL_SMARTCARD_StateTypeDef)(temp1 | temp2);
}

uint32_t HAL_SMARTCARD_GetError(SMARTCARD_HandleTypeDef *hsmartcard)
{
  return hsmartcard->ErrorCode;
}

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)

void SMARTCARD_InitCallbacksToDefault(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Init the SMARTCARD Callback settings */
  hsmartcard->TxCpltCallback            = HAL_SMARTCARD_TxCpltCallback;            /* Legacy weak TxCpltCallback            */
  hsmartcard->RxCpltCallback            = HAL_SMARTCARD_RxCpltCallback;            /* Legacy weak RxCpltCallback            */
  hsmartcard->ErrorCallback             = HAL_SMARTCARD_ErrorCallback;             /* Legacy weak ErrorCallback             */
  hsmartcard->AbortCpltCallback         = HAL_SMARTCARD_AbortCpltCallback;         /* Legacy weak AbortCpltCallback         */
  hsmartcard->AbortTransmitCpltCallback = HAL_SMARTCARD_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
  hsmartcard->AbortReceiveCpltCallback  = HAL_SMARTCARD_AbortReceiveCpltCallback;  /* Legacy weak AbortReceiveCpltCallback  */
#if defined(USART_CR1_FIFOEN)
  hsmartcard->RxFifoFullCallback        = HAL_SMARTCARDEx_RxFifoFullCallback;      /* Legacy weak RxFifoFullCallback        */
  hsmartcard->TxFifoEmptyCallback       = HAL_SMARTCARDEx_TxFifoEmptyCallback;     /* Legacy weak TxFifoEmptyCallback       */
#endif /* USART_CR1_FIFOEN */

}
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACKS */

static HAL_StatusTypeDef SMARTCARD_SetConfig(SMARTCARD_HandleTypeDef *hsmartcard)
{
  uint32_t tmpreg;
  SMARTCARD_ClockSourceTypeDef clocksource;
  HAL_StatusTypeDef ret = HAL_OK;
#if defined(USART_PRESC_PRESCALER)
  const uint16_t SMARTCARDPrescTable[12] = {1U, 2U, 4U, 6U, 8U, 10U, 12U, 16U, 32U, 64U, 128U, 256U};
#endif /* USART_PRESC_PRESCALER */

  /* Check the parameters */
  assert_param(IS_SMARTCARD_INSTANCE(hsmartcard->Instance));
  assert_param(IS_SMARTCARD_BAUDRATE(hsmartcard->Init.BaudRate));
  assert_param(IS_SMARTCARD_WORD_LENGTH(hsmartcard->Init.WordLength));
  assert_param(IS_SMARTCARD_STOPBITS(hsmartcard->Init.StopBits));
  assert_param(IS_SMARTCARD_PARITY(hsmartcard->Init.Parity));
  assert_param(IS_SMARTCARD_MODE(hsmartcard->Init.Mode));
  assert_param(IS_SMARTCARD_POLARITY(hsmartcard->Init.CLKPolarity));
  assert_param(IS_SMARTCARD_PHASE(hsmartcard->Init.CLKPhase));
  assert_param(IS_SMARTCARD_LASTBIT(hsmartcard->Init.CLKLastBit));
  assert_param(IS_SMARTCARD_ONE_BIT_SAMPLE(hsmartcard->Init.OneBitSampling));
  assert_param(IS_SMARTCARD_NACK(hsmartcard->Init.NACKEnable));
  assert_param(IS_SMARTCARD_TIMEOUT(hsmartcard->Init.TimeOutEnable));
  assert_param(IS_SMARTCARD_AUTORETRY_COUNT(hsmartcard->Init.AutoRetryCount));
#if defined(USART_PRESC_PRESCALER)
  assert_param(IS_SMARTCARD_CLOCKPRESCALER(hsmartcard->Init.ClockPrescaler));
#endif /* USART_PRESC_PRESCALER */

  /*-------------------------- USART CR1 Configuration -----------------------*/
  /* In SmartCard mode, M and PCE are forced to 1 (8 bits + parity).
   * Oversampling is forced to 16 (OVER8 = 0).
   * Configure the Parity and Mode:
   *  set PS bit according to hsmartcard->Init.Parity value
   *  set TE and RE bits according to hsmartcard->Init.Mode value */
#if defined(USART_CR1_FIFOEN)
  tmpreg = (uint32_t) hsmartcard->Init.Parity | hsmartcard->Init.Mode;
  tmpreg |= (uint32_t) hsmartcard->Init.WordLength | hsmartcard->FifoMode;
#else
  tmpreg = (uint32_t)(hsmartcard->Init.Parity | hsmartcard->Init.Mode | hsmartcard->Init.WordLength);
#endif /* USART_CR1_FIFOEN */
  MODIFY_REG(hsmartcard->Instance->CR1, USART_CR1_FIELDS, tmpreg);

  /*-------------------------- USART CR2 Configuration -----------------------*/
  tmpreg = hsmartcard->Init.StopBits;
  /* Synchronous mode is activated by default */
  tmpreg |= (uint32_t) USART_CR2_CLKEN | hsmartcard->Init.CLKPolarity;
  tmpreg |= (uint32_t) hsmartcard->Init.CLKPhase | hsmartcard->Init.CLKLastBit;
  tmpreg |= (uint32_t) hsmartcard->Init.TimeOutEnable;
  MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_FIELDS, tmpreg);

  /*-------------------------- USART CR3 Configuration -----------------------*/
  /* Configure
   * - one-bit sampling method versus three samples' majority rule
   *   according to hsmartcard->Init.OneBitSampling
   * - NACK transmission in case of parity error according
   *   to hsmartcard->Init.NACKEnable
   * - autoretry counter according to hsmartcard->Init.AutoRetryCount */

  tmpreg = (uint32_t) hsmartcard->Init.OneBitSampling | hsmartcard->Init.NACKEnable;
  tmpreg |= ((uint32_t)hsmartcard->Init.AutoRetryCount << USART_CR3_SCARCNT_Pos);
  MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_FIELDS, tmpreg);

#if defined(USART_PRESC_PRESCALER)
  /*--------------------- SMARTCARD clock PRESC Configuration ----------------*/
  /* Configure
  * - SMARTCARD Clock Prescaler: set PRESCALER according to hsmartcard->Init.ClockPrescaler value */
  MODIFY_REG(hsmartcard->Instance->PRESC, USART_PRESC_PRESCALER, hsmartcard->Init.ClockPrescaler);
#endif /* USART_PRESC_PRESCALER */

  /*-------------------------- USART GTPR Configuration ----------------------*/
  tmpreg = (hsmartcard->Init.Prescaler | ((uint32_t)hsmartcard->Init.GuardTime << USART_GTPR_GT_Pos));
  MODIFY_REG(hsmartcard->Instance->GTPR, (uint16_t)(USART_GTPR_GT | USART_GTPR_PSC), (uint16_t)tmpreg);

  /*-------------------------- USART RTOR Configuration ----------------------*/
  tmpreg = ((uint32_t)hsmartcard->Init.BlockLength << USART_RTOR_BLEN_Pos);
  if (hsmartcard->Init.TimeOutEnable == SMARTCARD_TIMEOUT_ENABLE)
  {
    assert_param(IS_SMARTCARD_TIMEOUT_VALUE(hsmartcard->Init.TimeOutValue));
    tmpreg |= (uint32_t) hsmartcard->Init.TimeOutValue;
  }
  MODIFY_REG(hsmartcard->Instance->RTOR, (USART_RTOR_RTO | USART_RTOR_BLEN), tmpreg);

  /*-------------------------- USART BRR Configuration -----------------------*/
  SMARTCARD_GETCLOCKSOURCE(hsmartcard, clocksource);
  tmpreg =   0U;
  switch (clocksource)
  {
    case SMARTCARD_CLOCKSOURCE_PCLK1:
#if defined(USART_PRESC_PRESCALER)
      tmpreg = (uint16_t)(((HAL_RCC_GetPCLK1Freq() / SMARTCARDPrescTable[hsmartcard->Init.ClockPrescaler]) + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#else
      tmpreg = (uint16_t)((HAL_RCC_GetPCLK1Freq() + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#endif /* USART_PRESC_PRESCALER */
      break;
    case SMARTCARD_CLOCKSOURCE_PCLK2:
#if defined(USART_PRESC_PRESCALER)
      tmpreg = (uint16_t)(((HAL_RCC_GetPCLK2Freq() / SMARTCARDPrescTable[hsmartcard->Init.ClockPrescaler]) + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#else
      tmpreg = (uint16_t)((HAL_RCC_GetPCLK2Freq() + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#endif /* USART_PRESC_PRESCALER */
      break;
    case SMARTCARD_CLOCKSOURCE_HSI:
#if defined(USART_PRESC_PRESCALER)
      tmpreg = (uint16_t)(((HSI_VALUE / SMARTCARDPrescTable[hsmartcard->Init.ClockPrescaler]) + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#else
      tmpreg = (uint16_t)((HSI_VALUE + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#endif /* USART_PRESC_PRESCALER */
      break;
    case SMARTCARD_CLOCKSOURCE_SYSCLK:
#if defined(USART_PRESC_PRESCALER)
      tmpreg = (uint16_t)(((HAL_RCC_GetSysClockFreq() / SMARTCARDPrescTable[hsmartcard->Init.ClockPrescaler]) + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#else
      tmpreg = (uint16_t)((HAL_RCC_GetSysClockFreq() + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#endif /* USART_PRESC_PRESCALER */
      break;
    case SMARTCARD_CLOCKSOURCE_LSE:
#if defined(USART_PRESC_PRESCALER)
      tmpreg = (uint16_t)(((uint16_t)(LSE_VALUE / SMARTCARDPrescTable[hsmartcard->Init.ClockPrescaler]) + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#else
      tmpreg = (uint16_t)((LSE_VALUE + (hsmartcard->Init.BaudRate / 2U)) / hsmartcard->Init.BaudRate);
#endif /* USART_PRESC_PRESCALER */
      break;
    default:
      ret = HAL_ERROR;
      break;
  }

  /* USARTDIV must be greater than or equal to 0d16 */
  if ((tmpreg >= USART_BRR_MIN) && (tmpreg <= USART_BRR_MAX))
  {
    hsmartcard->Instance->BRR = tmpreg;
  }
  else
  {
    ret = HAL_ERROR;
  }

#if defined(USART_CR1_FIFOEN)
  /* Initialize the number of data to process during RX/TX ISR execution */
  hsmartcard->NbTxDataToProcess = 1U;
  hsmartcard->NbRxDataToProcess = 1U;
#endif /* USART_CR1_FIFOEN */

  /* Clear ISR function pointers */
  hsmartcard->RxISR   = NULL;
  hsmartcard->TxISR   = NULL;

  return ret;
}


static void SMARTCARD_AdvFeatureConfig(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Check whether the set of advanced features to configure is properly set */
  assert_param(IS_SMARTCARD_ADVFEATURE_INIT(hsmartcard->AdvancedInit.AdvFeatureInit));

  /* if required, configure TX pin active level inversion */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_TXINVERT_INIT))
  {
    assert_param(IS_SMARTCARD_ADVFEATURE_TXINV(hsmartcard->AdvancedInit.TxPinLevelInvert));
    MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_TXINV, hsmartcard->AdvancedInit.TxPinLevelInvert);
  }

  /* if required, configure RX pin active level inversion */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_RXINVERT_INIT))
  {
    assert_param(IS_SMARTCARD_ADVFEATURE_RXINV(hsmartcard->AdvancedInit.RxPinLevelInvert));
    MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_RXINV, hsmartcard->AdvancedInit.RxPinLevelInvert);
  }

  /* if required, configure data inversion */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_DATAINVERT_INIT))
  {
    assert_param(IS_SMARTCARD_ADVFEATURE_DATAINV(hsmartcard->AdvancedInit.DataInvert));
    MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_DATAINV, hsmartcard->AdvancedInit.DataInvert);
  }

  /* if required, configure RX/TX pins swap */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_SWAP_INIT))
  {
    assert_param(IS_SMARTCARD_ADVFEATURE_SWAP(hsmartcard->AdvancedInit.Swap));
    MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_SWAP, hsmartcard->AdvancedInit.Swap);
  }

  /* if required, configure RX overrun detection disabling */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_RXOVERRUNDISABLE_INIT))
  {
    assert_param(IS_SMARTCARD_OVERRUN(hsmartcard->AdvancedInit.OverrunDisable));
    MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_OVRDIS, hsmartcard->AdvancedInit.OverrunDisable);
  }

  /* if required, configure DMA disabling on reception error */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_DMADISABLEONERROR_INIT))
  {
    assert_param(IS_SMARTCARD_ADVFEATURE_DMAONRXERROR(hsmartcard->AdvancedInit.DMADisableonRxError));
    MODIFY_REG(hsmartcard->Instance->CR3, USART_CR3_DDRE, hsmartcard->AdvancedInit.DMADisableonRxError);
  }

  /* if required, configure MSB first on communication line */
  if (HAL_IS_BIT_SET(hsmartcard->AdvancedInit.AdvFeatureInit, SMARTCARD_ADVFEATURE_MSBFIRST_INIT))
  {
    assert_param(IS_SMARTCARD_ADVFEATURE_MSBFIRST(hsmartcard->AdvancedInit.MSBFirst));
    MODIFY_REG(hsmartcard->Instance->CR2, USART_CR2_MSBFIRST, hsmartcard->AdvancedInit.MSBFirst);
  }

}

static HAL_StatusTypeDef SMARTCARD_CheckIdleState(SMARTCARD_HandleTypeDef *hsmartcard)
{
  uint32_t tickstart;

  /* Initialize the SMARTCARD ErrorCode */
  hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;

  /* Init tickstart for timeout management */
  tickstart = HAL_GetTick();

  /* Check if the Transmitter is enabled */
  if ((hsmartcard->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE)
  {
    /* Wait until TEACK flag is set */
    if (SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, USART_ISR_TEACK, RESET, tickstart,
                                         SMARTCARD_TEACK_REACK_TIMEOUT) != HAL_OK)
    {
      /* Timeout occurred */
      return HAL_TIMEOUT;
    }
  }
  /* Check if the Receiver is enabled */
  if ((hsmartcard->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE)
  {
    /* Wait until REACK flag is set */
    if (SMARTCARD_WaitOnFlagUntilTimeout(hsmartcard, USART_ISR_REACK, RESET, tickstart,
                                         SMARTCARD_TEACK_REACK_TIMEOUT) != HAL_OK)
    {
      /* Timeout occurred */
      return HAL_TIMEOUT;
    }
  }

  /* Initialize the SMARTCARD states */
  hsmartcard->gState  = HAL_SMARTCARD_STATE_READY;
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

  /* Process Unlocked */
  __HAL_UNLOCK(hsmartcard);

  return HAL_OK;
}

static HAL_StatusTypeDef SMARTCARD_WaitOnFlagUntilTimeout(SMARTCARD_HandleTypeDef *hsmartcard, uint32_t Flag,
                                                          FlagStatus Status, uint32_t Tickstart, uint32_t Timeout)
{
  /* Wait until flag is set */
  while ((__HAL_SMARTCARD_GET_FLAG(hsmartcard, Flag) ? SET : RESET) == Status)
  {
    /* Check for the Timeout */
    if (Timeout != HAL_MAX_DELAY)
    {
      if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U))
      {
        /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
#if defined(USART_CR1_FIFOEN)
        CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE | USART_CR1_TXEIE_TXFNFIE));
#else
        CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE));
#endif /* USART_CR1_FIFOEN */
        CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

        hsmartcard->gState  = HAL_SMARTCARD_STATE_READY;
        hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

        /* Process Unlocked */
        __HAL_UNLOCK(hsmartcard);
        return HAL_TIMEOUT;
      }
    }
  }
  return HAL_OK;
}


static void SMARTCARD_EndTxTransfer(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Disable TXEIE, TCIE and ERR (Frame error, noise error, overrun error) interrupts */
#if defined(USART_CR1_FIFOEN)
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_TXEIE_TXFNFIE | USART_CR1_TCIE));
#else
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
#endif /* USART_CR1_FIFOEN */
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

  /* At end of Tx process, restore hsmartcard->gState to Ready */
  hsmartcard->gState = HAL_SMARTCARD_STATE_READY;
}


static void SMARTCARD_EndRxTransfer(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
#if defined(USART_CR1_FIFOEN)
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE_RXFNEIE | USART_CR1_PEIE));
#else
  CLEAR_BIT(hsmartcard->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
#endif /* USART_CR1_FIFOEN */
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

  /* At end of Rx process, restore hsmartcard->RxState to Ready */
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;
}


static void SMARTCARD_DMATransmitCplt(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);
  hsmartcard->TxXferCount = 0U;

  /* Disable the DMA transfer for transmit request by resetting the DMAT bit
  in the SMARTCARD associated USART CR3 register */
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAT);

  /* Enable the SMARTCARD Transmit Complete Interrupt */
  __HAL_SMARTCARD_ENABLE_IT(hsmartcard, hsmartcard->AdvancedInit.TxCompletionIndication);
}

static void SMARTCARD_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);
  hsmartcard->RxXferCount = 0U;

  /* Disable PE and ERR (Frame error, noise error, overrun error) interrupts */
  CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE);
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);

  /* Disable the DMA transfer for the receiver request by resetting the DMAR bit
     in the SMARTCARD associated USART CR3 register */
  CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_DMAR);

  /* At end of Rx process, restore hsmartcard->RxState to Ready */
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered Rx complete callback */
  hsmartcard->RxCpltCallback(hsmartcard);
#else
  /* Call legacy weak Rx complete callback */
  HAL_SMARTCARD_RxCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}

static void SMARTCARD_DMAError(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);

  /* Stop SMARTCARD DMA Tx request if ongoing */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_BUSY_TX)
  {
    if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAT))
    {
      hsmartcard->TxXferCount = 0U;
      SMARTCARD_EndTxTransfer(hsmartcard);
    }
  }

  /* Stop SMARTCARD DMA Rx request if ongoing */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_BUSY_RX)
  {
    if (HAL_IS_BIT_SET(hsmartcard->Instance->CR3, USART_CR3_DMAR))
    {
      hsmartcard->RxXferCount = 0U;
      SMARTCARD_EndRxTransfer(hsmartcard);
    }
  }

  hsmartcard->ErrorCode |= HAL_SMARTCARD_ERROR_DMA;
#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered user error callback */
  hsmartcard->ErrorCallback(hsmartcard);
#else
  /* Call legacy weak user error callback */
  HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}

static void SMARTCARD_DMAAbortOnError(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);
  hsmartcard->RxXferCount = 0U;
  hsmartcard->TxXferCount = 0U;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered user error callback */
  hsmartcard->ErrorCallback(hsmartcard);
#else
  /* Call legacy weak user error callback */
  HAL_SMARTCARD_ErrorCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}

static void SMARTCARD_DMATxAbortCallback(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);

  hsmartcard->hdmatx->XferAbortCallback = NULL;

  /* Check if an Abort process is still ongoing */
  if (hsmartcard->hdmarx != NULL)
  {
    if (hsmartcard->hdmarx->XferAbortCallback != NULL)
    {
      return;
    }
  }

  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
  hsmartcard->TxXferCount = 0U;
  hsmartcard->RxXferCount = 0U;

  /* Reset errorCode */
  hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                             SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                             SMARTCARD_CLEAR_EOBF);

  /* Restore hsmartcard->gState and hsmartcard->RxState to Ready */
  hsmartcard->gState  = HAL_SMARTCARD_STATE_READY;
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered Abort complete callback */
  hsmartcard->AbortCpltCallback(hsmartcard);
#else
  /* Call legacy weak Abort complete callback */
  HAL_SMARTCARD_AbortCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}


static void SMARTCARD_DMARxAbortCallback(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);

  hsmartcard->hdmarx->XferAbortCallback = NULL;

  /* Check if an Abort process is still ongoing */
  if (hsmartcard->hdmatx != NULL)
  {
    if (hsmartcard->hdmatx->XferAbortCallback != NULL)
    {
      return;
    }
  }

  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
  hsmartcard->TxXferCount = 0U;
  hsmartcard->RxXferCount = 0U;

  /* Reset errorCode */
  hsmartcard->ErrorCode = HAL_SMARTCARD_ERROR_NONE;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                             SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                             SMARTCARD_CLEAR_EOBF);

  /* Restore hsmartcard->gState and hsmartcard->RxState to Ready */
  hsmartcard->gState  = HAL_SMARTCARD_STATE_READY;
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered Abort complete callback */
  hsmartcard->AbortCpltCallback(hsmartcard);
#else
  /* Call legacy weak Abort complete callback */
  HAL_SMARTCARD_AbortCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}


static void SMARTCARD_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);

  hsmartcard->TxXferCount = 0U;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard, SMARTCARD_CLEAR_FEF);

  /* Restore hsmartcard->gState to Ready */
  hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered Abort Transmit Complete Callback */
  hsmartcard->AbortTransmitCpltCallback(hsmartcard);
#else
  /* Call legacy weak Abort Transmit Complete Callback */
  HAL_SMARTCARD_AbortTransmitCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}

static void SMARTCARD_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
{
  SMARTCARD_HandleTypeDef *hsmartcard = (SMARTCARD_HandleTypeDef *)(hdma->Parent);

  hsmartcard->RxXferCount = 0U;

  /* Clear the Error flags in the ICR register */
  __HAL_SMARTCARD_CLEAR_FLAG(hsmartcard,
                             SMARTCARD_CLEAR_OREF | SMARTCARD_CLEAR_NEF | SMARTCARD_CLEAR_PEF | SMARTCARD_CLEAR_FEF | SMARTCARD_CLEAR_RTOF |
                             SMARTCARD_CLEAR_EOBF);

  /* Restore hsmartcard->RxState to Ready */
  hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered Abort Receive Complete Callback */
  hsmartcard->AbortReceiveCpltCallback(hsmartcard);
#else
  /* Call legacy weak Abort Receive Complete Callback */
  HAL_SMARTCARD_AbortReceiveCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}

static void SMARTCARD_TxISR(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Check that a Tx process is ongoing */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_BUSY_TX)
  {
    if (hsmartcard->TxXferCount == 0U)
    {
      /* Disable the SMARTCARD Transmit Data Register Empty Interrupt */
#if defined(USART_CR1_FIFOEN)
      CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_TXEIE_TXFNFIE);
#else
      CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_TXEIE);
#endif /* USART_CR1_FIFOEN */

      /* Enable the SMARTCARD Transmit Complete Interrupt */
      __HAL_SMARTCARD_ENABLE_IT(hsmartcard, hsmartcard->AdvancedInit.TxCompletionIndication);
    }
    else
    {
      hsmartcard->Instance->TDR = (uint8_t)(*hsmartcard->pTxBuffPtr & 0xFFU);
      hsmartcard->pTxBuffPtr++;
      hsmartcard->TxXferCount--;
    }
  }
}

#if defined(USART_CR1_FIFOEN)

static void SMARTCARD_TxISR_FIFOEN(SMARTCARD_HandleTypeDef *hsmartcard)
{
  uint16_t   nb_tx_data;

  /* Check that a Tx process is ongoing */
  if (hsmartcard->gState == HAL_SMARTCARD_STATE_BUSY_TX)
  {
    for (nb_tx_data = hsmartcard->NbTxDataToProcess ; nb_tx_data > 0U ; nb_tx_data--)
    {
      if (hsmartcard->TxXferCount == 0U)
      {
        /* Disable the SMARTCARD Transmit Data Register Empty Interrupt */
        CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_TXEIE_TXFNFIE);

        /* Enable the SMARTCARD Transmit Complete Interrupt */
        __HAL_SMARTCARD_ENABLE_IT(hsmartcard, hsmartcard->AdvancedInit.TxCompletionIndication);
      }
      else if (READ_BIT(hsmartcard->Instance->ISR, USART_ISR_TXE_TXFNF) != 0U)
      {
        hsmartcard->Instance->TDR = (uint8_t)(*hsmartcard->pTxBuffPtr & 0xFFU);
        hsmartcard->pTxBuffPtr++;
        hsmartcard->TxXferCount--;
      }
      else
      {
        /* Nothing to do */
      }
    }
  }
}

#endif /* USART_CR1_FIFOEN */

static void SMARTCARD_EndTransmit_IT(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Disable the SMARTCARD Transmit Complete Interrupt */
  __HAL_SMARTCARD_DISABLE_IT(hsmartcard, hsmartcard->AdvancedInit.TxCompletionIndication);

  /* Check if a receive process is ongoing or not. If not disable ERR IT */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_READY)
  {
    /* Disable the SMARTCARD Error Interrupt: (Frame error) */
    CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
  }

  /* Re-enable Rx at end of transmission if initial mode is Rx/Tx */
  if (hsmartcard->Init.Mode == SMARTCARD_MODE_TX_RX)
  {
    /* Disable the Peripheral first to update modes */
    CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_RE);
    /* Enable the Peripheral */
    SET_BIT(hsmartcard->Instance->CR1, USART_CR1_UE);
  }

  /* Tx process is ended, restore hsmartcard->gState to Ready */
  hsmartcard->gState = HAL_SMARTCARD_STATE_READY;

  /* Clear TxISR function pointer */
  hsmartcard->TxISR = NULL;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
  /* Call registered Tx complete callback */
  hsmartcard->TxCpltCallback(hsmartcard);
#else
  /* Call legacy weak Tx complete callback */
  HAL_SMARTCARD_TxCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
}

static void SMARTCARD_RxISR(SMARTCARD_HandleTypeDef *hsmartcard)
{
  /* Check that a Rx process is ongoing */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_BUSY_RX)
  {
    *hsmartcard->pRxBuffPtr = (uint8_t)(hsmartcard->Instance->RDR & (uint8_t)0xFF);
    hsmartcard->pRxBuffPtr++;

    hsmartcard->RxXferCount--;
    if (hsmartcard->RxXferCount == 0U)
    {
#if defined(USART_CR1_FIFOEN)
      CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RXNEIE_RXFNEIE);
#else
      CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RXNEIE);
#endif /* USART_CR1_FIFOEN */

      /* Check if a transmit process is ongoing or not. If not disable ERR IT */
      if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
      {
        /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
        CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
      }

      /* Disable the SMARTCARD Parity Error Interrupt */
      CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE);

      hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

      /* Clear RxISR function pointer */
      hsmartcard->RxISR = NULL;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
      /* Call registered Rx complete callback */
      hsmartcard->RxCpltCallback(hsmartcard);
#else
      /* Call legacy weak Rx complete callback */
      HAL_SMARTCARD_RxCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
    }
  }
  else
  {
    /* Clear RXNE interrupt flag */
    __HAL_SMARTCARD_SEND_REQ(hsmartcard, SMARTCARD_RXDATA_FLUSH_REQUEST);
  }
}

#if defined(USART_CR1_FIFOEN)

static void SMARTCARD_RxISR_FIFOEN(SMARTCARD_HandleTypeDef *hsmartcard)
{
  uint16_t   nb_rx_data;
  uint16_t rxdatacount;

  /* Check that a Rx process is ongoing */
  if (hsmartcard->RxState == HAL_SMARTCARD_STATE_BUSY_RX)
  {
    for (nb_rx_data = hsmartcard->NbRxDataToProcess ; nb_rx_data > 0U ; nb_rx_data--)
    {
      *hsmartcard->pRxBuffPtr = (uint8_t)(hsmartcard->Instance->RDR & (uint8_t)0xFF);
      hsmartcard->pRxBuffPtr++;

      hsmartcard->RxXferCount--;
      if (hsmartcard->RxXferCount == 0U)
      {
        CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_RXNEIE_RXFNEIE);

        /* Check if a transmit process is ongoing or not. If not disable ERR IT */
        if (hsmartcard->gState == HAL_SMARTCARD_STATE_READY)
        {
          /* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
          CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_EIE);
        }

        /* Disable the SMARTCARD Parity Error Interrupt */
        CLEAR_BIT(hsmartcard->Instance->CR1, USART_CR1_PEIE);

        hsmartcard->RxState = HAL_SMARTCARD_STATE_READY;

        /* Clear RxISR function pointer */
        hsmartcard->RxISR = NULL;

#if (USE_HAL_SMARTCARD_REGISTER_CALLBACKS == 1)
        /* Call registered Rx complete callback */
        hsmartcard->RxCpltCallback(hsmartcard);
#else
        /* Call legacy weak Rx complete callback */
        HAL_SMARTCARD_RxCpltCallback(hsmartcard);
#endif /* USE_HAL_SMARTCARD_REGISTER_CALLBACK */
      }
    }

    /* When remaining number of bytes to receive is less than the RX FIFO
    threshold, next incoming frames are processed as if FIFO mode was
    disabled (i.e. one interrupt per received frame).
    */
    rxdatacount = hsmartcard->RxXferCount;
    if (((rxdatacount != 0U)) && (rxdatacount < hsmartcard->NbRxDataToProcess))
    {
      /* Disable the UART RXFT interrupt*/
      CLEAR_BIT(hsmartcard->Instance->CR3, USART_CR3_RXFTIE);

      /* Update the RxISR function pointer */
      hsmartcard->RxISR = SMARTCARD_RxISR;

      /* Enable the UART Data Register Not Empty interrupt */
      SET_BIT(hsmartcard->Instance->CR1, USART_CR1_RXNEIE_RXFNEIE);
    }
  }
  else
  {
    /* Clear RXNE interrupt flag */
    __HAL_SMARTCARD_SEND_REQ(hsmartcard, SMARTCARD_RXDATA_FLUSH_REQUEST);
  }
}

#endif /* USART_CR1_FIFOEN */

#endif /* HAL_SMARTCARD_MODULE_ENABLED */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/