text: /**
    ******************************************************************************
    * @file    stm32f1xx_hal_smartcard.h
    * @author  MCD Application Team
    * @brief   Header file of SMARTCARD HAL module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
    *
    * Redistribution and use in source and binary forms, with or without modification,
    * are permitted provided that the following conditions are met:
    *   1. Redistributions of source code must retain the above copyright notice,
    *      this list of conditions and the following disclaimer.
    *   2. Redistributions in binary form must reproduce the above copyright notice,
    *      this list of conditions and the following disclaimer in the documentation
    *      and/or other materials provided with the distribution.
    *   3. Neither the name of STMicroelectronics nor the names of its contributors
    *      may be used to endorse or promote products derived from this software
    *      without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    ******************************************************************************
    */
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __STM32F1xx_HAL_SMARTCARD_H
  #define __STM32F1xx_HAL_SMARTCARD_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f1xx_hal_def.h"
  
  /** @addtogroup STM32F1xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup SMARTCARD
    * @{
    */
  
  /* Exported types ------------------------------------------------------------*/
  /** @defgroup SMARTCARD_Exported_Types SMARTCARD Exported Types
    * @{
    */
  
  /**
    * @brief SMARTCARD Init Structure definition
    */
  typedef struct
  {
    uint32_t BaudRate;                  /*!< This member configures the SmartCard communication baud rate.
                                             The baud rate is computed using the following formula:
                                             - IntegerDivider = ((PCLKx) / (16 * (hsmartcard->Init.BaudRate)))
                                             - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 16) + 0.5 */
  
    uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
                                             This parameter can be a value of @ref SMARTCARD_Word_Length */
  
    uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
                                             This parameter can be a value of @ref SMARTCARD_Stop_Bits */
  
    uint32_t Parity;                    /*!< Specifies the parity mode.
                                             This parameter can be a value of @ref SMARTCARD_Parity
                                             @note When parity is enabled, the computed parity is inserted
                                                   at the MSB position of the transmitted data (9th bit when
                                                   the word length is set to 9 data bits; 8th bit when the
                                                   word length is set to 8 data bits).*/
  
    uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
                                             This parameter can be a value of @ref SMARTCARD_Mode */
  
    uint32_t CLKPolarity;               /*!< Specifies the steady state of the serial clock.
                                             This parameter can be a value of @ref SMARTCARD_Clock_Polarity */
  
    uint32_t CLKPhase;                  /*!< Specifies the clock transition on which the bit capture is made.
                                             This parameter can be a value of @ref SMARTCARD_Clock_Phase */
  
    uint32_t CLKLastBit;                /*!< Specifies whether the clock pulse corresponding to the last transmitted
                                             data bit (MSB) has to be output on the SCLK pin in synchronous mode.
                                             This parameter can be a value of @ref SMARTCARD_Last_Bit */
  
    uint32_t Prescaler;                 /*!< Specifies the SmartCard Prescaler value used for dividing the system clock
                                             to provide the smartcard clock. The value given in the register (5 significant bits)
                                             is multiplied by 2 to give the division factor of the source clock frequency.
                                             This parameter can be a value of @ref SMARTCARD_Prescaler */
  
    uint32_t GuardTime;                 /*!< Specifies the SmartCard Guard Time value in terms of number of baud clocks */
  
    uint32_t NACKState;                 /*!< Specifies the SmartCard NACK Transmission state
                                             This parameter can be a value of @ref SMARTCARD_NACK_State */
  } SMARTCARD_InitTypeDef;
  
  /**
    * @brief HAL SMARTCARD State structures definition
    * @note  HAL SMARTCARD State value is a combination of 2 different substates: gState and RxState.
    *        - gState contains SMARTCARD state information related to global Handle management
    *          and also information related to Tx operations.
    *          gState value coding follow below described bitmap :
    *          b7-b6  Error information
    *             00 : No Error
    *             01 : (Not Used)
    *             10 : Timeout
    *             11 : Error
    *          b5     IP initilisation status
    *             0  : Reset (IP not initialized)
    *             1  : Init done (IP not initialized. HAL SMARTCARD Init function already called)
    *          b4-b3  (not used)
    *             xx : Should be set to 00
    *          b2     Intrinsic process state
    *             0  : Ready
    *             1  : Busy (IP busy with some configuration or internal operations)
    *          b1     (not used)
    *             x  : Should be set to 0
    *          b0     Tx state
    *             0  : Ready (no Tx operation ongoing)
    *             1  : Busy (Tx operation ongoing)
    *        - RxState contains information related to Rx operations.
    *          RxState value coding follow below described bitmap :
    *          b7-b6  (not used)
    *             xx : Should be set to 00
    *          b5     IP initilisation status
    *             0  : Reset (IP not initialized)
    *             1  : Init done (IP not initialized)
    *          b4-b2  (not used)
    *            xxx : Should be set to 000
    *          b1     Rx state
    *             0  : Ready (no Rx operation ongoing)
    *             1  : Busy (Rx operation ongoing)
    *          b0     (not used)
    *             x  : Should be set to 0.
    */
  typedef enum
  {
    HAL_SMARTCARD_STATE_RESET             = 0x00U,    /*!< Peripheral is not yet Initialized
                                                          Value is allowed for gState and RxState */
    HAL_SMARTCARD_STATE_READY             = 0x20U,    /*!< Peripheral Initialized and ready for use
                                                          Value is allowed for gState and RxState */
    HAL_SMARTCARD_STATE_BUSY              = 0x24U,    /*!< an internal process is ongoing
                                                          Value is allowed for gState only */
    HAL_SMARTCARD_STATE_BUSY_TX           = 0x21U,    /*!< Data Transmission process is ongoing
                                                          Value is allowed for gState only */
    HAL_SMARTCARD_STATE_BUSY_RX           = 0x22U,    /*!< Data Reception process is ongoing
                                                          Value is allowed for RxState only */
    HAL_SMARTCARD_STATE_BUSY_TX_RX        = 0x23U,    /*!< Data Transmission and Reception process is ongoing
                                                          Not to be used for neither gState nor RxState.
                                                          Value is result of combination (Or) between gState and RxState values */
    HAL_SMARTCARD_STATE_TIMEOUT           = 0xA0U,    /*!< Timeout state
                                                          Value is allowed for gState only */
    HAL_SMARTCARD_STATE_ERROR             = 0xE0U     /*!< Error
                                                          Value is allowed for gState only */
  } HAL_SMARTCARD_StateTypeDef;
  
  /**
    * @brief  SMARTCARD handle Structure definition
    */
  typedef struct
  {
    USART_TypeDef                    *Instance;        /*!< USART registers base address */
  
    SMARTCARD_InitTypeDef            Init;             /*!< SmartCard communication parameters */
  
    uint8_t                          *pTxBuffPtr;      /*!< Pointer to SmartCard Tx transfer Buffer */
  
    uint16_t                         TxXferSize;       /*!< SmartCard Tx Transfer size */
  
    __IO uint16_t                    TxXferCount;      /*!< SmartCard Tx Transfer Counter */
  
    uint8_t                          *pRxBuffPtr;      /*!< Pointer to SmartCard Rx transfer Buffer */
  
    uint16_t                         RxXferSize;       /*!< SmartCard Rx Transfer size */
  
    __IO uint16_t                    RxXferCount;      /*!< SmartCard Rx Transfer Counter */
  
    DMA_HandleTypeDef                *hdmatx;          /*!< SmartCard Tx DMA Handle parameters */
  
    DMA_HandleTypeDef                *hdmarx;          /*!< SmartCard Rx DMA Handle parameters */
  
    HAL_LockTypeDef                  Lock;             /*!< Locking object */
  
    __IO HAL_SMARTCARD_StateTypeDef  gState;           /*!< SmartCard state information related to global Handle management
                                                          and also related to Tx operations.
                                                          This parameter can be a value of @ref HAL_SMARTCARD_StateTypeDef */
  
    __IO HAL_SMARTCARD_StateTypeDef  RxState;          /*!< SmartCard state information related to Rx operations.
                                                          This parameter can be a value of @ref HAL_SMARTCARD_StateTypeDef */
  
    __IO uint32_t                    ErrorCode;        /*!< SmartCard Error code */
  } SMARTCARD_HandleTypeDef;
  
  /**
    * @}
    */
  
  /* Exported constants --------------------------------------------------------*/
  /** @defgroup SMARTCARD_Exported_Constants  SMARTCARD Exported constants
    * @{
    */
  
  /** @defgroup SMARTCARD_Error_Code SMARTCARD Error Code
    * @{
    */
  #define HAL_SMARTCARD_ERROR_NONE         0x00000000U   /*!< No error            */
  #define HAL_SMARTCARD_ERROR_PE           0x00000001U   /*!< Parity error        */
  #define HAL_SMARTCARD_ERROR_NE           0x00000002U   /*!< Noise error         */
  #define HAL_SMARTCARD_ERROR_FE           0x00000004U   /*!< Frame error         */
  #define HAL_SMARTCARD_ERROR_ORE          0x00000008U   /*!< OverRun error       */
  #define HAL_SMARTCARD_ERROR_DMA          0x00000010U   /*!< DMA transfer error  */
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Word_Length SMARTCARD Word Length
    * @{
    */
  #define SMARTCARD_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M)
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Stop_Bits SMARTCARD Number of Stop Bits
    * @{
    */
  #define SMARTCARD_STOPBITS_0_5                   ((uint32_t)USART_CR2_STOP_0)
  #define SMARTCARD_STOPBITS_1_5                   ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Parity SMARTCARD Parity
    * @{
    */
  #define SMARTCARD_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
  #define SMARTCARD_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Mode SMARTCARD Mode
    * @{
    */
  #define SMARTCARD_MODE_RX                        ((uint32_t)USART_CR1_RE)
  #define SMARTCARD_MODE_TX                        ((uint32_t)USART_CR1_TE)
  #define SMARTCARD_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Clock_Polarity  SMARTCARD Clock Polarity
    * @{
    */
  #define SMARTCARD_POLARITY_LOW                   0x00000000U
  #define SMARTCARD_POLARITY_HIGH                  ((uint32_t)USART_CR2_CPOL)
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Clock_Phase  SMARTCARD Clock Phase
    * @{
    */
  #define SMARTCARD_PHASE_1EDGE                    0x00000000U
  #define SMARTCARD_PHASE_2EDGE                    ((uint32_t)USART_CR2_CPHA)
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Last_Bit  SMARTCARD Last Bit
    * @{
    */
  #define SMARTCARD_LASTBIT_DISABLE                0x00000000U
  #define SMARTCARD_LASTBIT_ENABLE                 ((uint32_t)USART_CR2_LBCL)
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_NACK_State  SMARTCARD NACK State
    * @{
    */
  #define SMARTCARD_NACK_ENABLE                  ((uint32_t)USART_CR3_NACK)
  #define SMARTCARD_NACK_DISABLE                 0x00000000U
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_DMA_Requests  SMARTCARD DMA requests
    * @{
    */
  #define SMARTCARD_DMAREQ_TX                    ((uint32_t)USART_CR3_DMAT)
  #define SMARTCARD_DMAREQ_RX                    ((uint32_t)USART_CR3_DMAR)
  /**
    * @}
    */
  
  /** @defgroup SMARTCARD_Prescaler  SMARTCARD Prescaler
    * @{
    */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV2         0x00000001U          /*!< SYSCLK divided by 2 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV4         0x00000002U          /*!< SYSCLK divided by 4 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV6         0x00000003U          /*!< SYSCLK divided by 6 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV8         0x00000004U          /*!< SYSCLK divided by 8 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV10        0x00000005U          /*!< SYSCLK divided by 10 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV12        0x00000006U          /*!< SYSCLK divided by 12 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV14        0x00000007U          /*!< SYSCLK divided by 14 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV16        0x00000008U          /*!< SYSCLK divided by 16 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV18        0x00000009U          /*!< SYSCLK divided by 18 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV20        0x0000000AU          /*!< SYSCLK divided by 20 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV22        0x0000000BU          /*!< SYSCLK divided by 22 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV24        0x0000000CU          /*!< SYSCLK divided by 24 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV26        0x0000000DU          /*!< SYSCLK divided by 26 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV28        0x0000000EU          /*!< SYSCLK divided by 28 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV30        0x0000000FU          /*!< SYSCLK divided by 30 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV32        0x00000010U          /*!< SYSCLK divided by 32 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV34        0x00000011U          /*!< SYSCLK divided by 34 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV36        0x00000012U          /*!< SYSCLK divided by 36 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV38        0x00000013U          /*!< SYSCLK divided by 38 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV40        0x00000014U          /*!< SYSCLK divided by 40 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV42        0x00000015U          /*!< SYSCLK divided by 42 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV44        0x00000016U          /*!< SYSCLK divided by 44 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV46        0x00000017U          /*!< SYSCLK divided by 46 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV48        0x00000018U          /*!< SYSCLK divided by 48 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV50        0x00000019U          /*!< SYSCLK divided by 50 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV52        0x0000001AU          /*!< SYSCLK divided by 52 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV54        0x0000001BU          /*!< SYSCLK divided by 54 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV56        0x0000001CU          /*!< SYSCLK divided by 56 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV58        0x0000001DU          /*!< SYSCLK divided by 58 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV60        0x0000001EU          /*!< SYSCLK divided by 60 */
  #define SMARTCARD_PRESCALER_SYSCLK_DIV62        0x0000001FU          /*!< SYSCLK divided by 62 */
  /**
    * @}
    */
  
  /** @defgroup SmartCard_Flags  SMARTCARD Flags
    *        Elements values convention: 0xXXXX
    *           - 0xXXXX  : Flag mask in the SR register
    * @{
    */
  #define SMARTCARD_FLAG_TXE                      ((uint32_t)USART_SR_TXE)
  #define SMARTCARD_FLAG_TC                       ((uint32_t)USART_SR_TC)
  #define SMARTCARD_FLAG_RXNE                     ((uint32_t)USART_SR_RXNE)
  #define SMARTCARD_FLAG_IDLE                     ((uint32_t)USART_SR_IDLE)
  #define SMARTCARD_FLAG_ORE                      ((uint32_t)USART_SR_ORE)
  #define SMARTCARD_FLAG_NE                       ((uint32_t)USART_SR_NE)
  #define SMARTCARD_FLAG_FE                       ((uint32_t)USART_SR_FE)
  #define SMARTCARD_FLAG_PE                       ((uint32_t)USART_SR_PE)
  /**
    * @}
    */
  
  /** @defgroup SmartCard_Interrupt_definition  SMARTCARD Interrupts Definition
    *        Elements values convention: 0xY000XXXX
    *           - XXXX  : Interrupt mask in the XX register
    *           - Y  : Interrupt source register (2bits)
    *                 - 01: CR1 register
    *                 - 11: CR3 register
    * @{
    */
  #define SMARTCARD_IT_PE                         ((uint32_t)(SMARTCARD_CR1_REG_INDEX << 28U | USART_CR1_PEIE))
  #define SMARTCARD_IT_TXE                        ((uint32_t)(SMARTCARD_CR1_REG_INDEX << 28U | USART_CR1_TXEIE))
  #define SMARTCARD_IT_TC                         ((uint32_t)(SMARTCARD_CR1_REG_INDEX << 28U | USART_CR1_TCIE))
  #define SMARTCARD_IT_RXNE                       ((uint32_t)(SMARTCARD_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE))
  #define SMARTCARD_IT_IDLE                       ((uint32_t)(SMARTCARD_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE))
  #define SMARTCARD_IT_ERR                        ((uint32_t)(SMARTCARD_CR3_REG_INDEX << 28U | USART_CR3_EIE))
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Exported macro ------------------------------------------------------------*/
  /** @defgroup SMARTCARD_Exported_Macros  SMARTCARD Exported Macros
    * @{
    */
  
  /** @brief Reset SMARTCARD handle gstate & RxState
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_RESET_HANDLE_STATE(__HANDLE__)  do{                                                        \
                                                              (__HANDLE__)->gState = HAL_SMARTCARD_STATE_RESET;      \
                                                              (__HANDLE__)->RxState = HAL_SMARTCARD_STATE_RESET;     \
                                                            } while(0U)
  
  /** @brief  Flush the Smartcard DR register
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
  
  /** @brief  Check whether the specified Smartcard flag is set or not.
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    * @param  __FLAG__: specifies the flag to check.
    *         This parameter can be one of the following values:
    *            @arg SMARTCARD_FLAG_TXE:  Transmit data register empty flag
    *            @arg SMARTCARD_FLAG_TC:   Transmission Complete flag
    *            @arg SMARTCARD_FLAG_RXNE: Receive data register not empty flag
    *            @arg SMARTCARD_FLAG_IDLE: Idle Line detection flag
    *            @arg SMARTCARD_FLAG_ORE:  OverRun Error flag
    *            @arg SMARTCARD_FLAG_NE:   Noise Error flag
    *            @arg SMARTCARD_FLAG_FE:   Framing Error flag
    *            @arg SMARTCARD_FLAG_PE:   Parity Error flag
    * @retval The new state of __FLAG__ (TRUE or FALSE).
    */
  #define __HAL_SMARTCARD_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
  
  /** @brief  Clear the specified Smartcard pending flags.
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    * @param  __FLAG__: specifies the flag to check.
    *         This parameter can be any combination of the following values:
    *            @arg SMARTCARD_FLAG_TC:   Transmission Complete flag.
    *            @arg SMARTCARD_FLAG_RXNE: Receive data register not empty flag.
    *
    * @note   PE (Parity error), FE (Framing error), NE (Noise error) and ORE (OverRun
    *          error) flags are cleared by software sequence: a read operation to
    *          USART_SR register followed by a read operation to USART_DR register.
    * @note   RXNE flag can be also cleared by a read to the USART_DR register.
    * @note   TC flag can be also cleared by software sequence: a read operation to
    *          USART_SR register followed by a write operation to USART_DR register.
    * @note   TXE flag is cleared only by a write to the USART_DR register.
    */
  #define __HAL_SMARTCARD_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
  
  /** @brief  Clear the SMARTCARD PE pending flag.
    * @param  __HANDLE__: specifies the USART Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_CLEAR_PEFLAG(__HANDLE__)     \
    do{                                                \
      __IO uint32_t tmpreg = 0x00U;                    \
      tmpreg = (__HANDLE__)->Instance->SR;             \
      tmpreg = (__HANDLE__)->Instance->DR;             \
      UNUSED(tmpreg);                                  \
    } while(0U)
  
  /** @brief  Clear the SMARTCARD FE pending flag.
    * @param  __HANDLE__: specifies the USART Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_CLEAR_FEFLAG(__HANDLE__) __HAL_SMARTCARD_CLEAR_PEFLAG(__HANDLE__)
  
  /** @brief  Clear the SMARTCARD NE pending flag.
    * @param  __HANDLE__: specifies the USART Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_CLEAR_NEFLAG(__HANDLE__) __HAL_SMARTCARD_CLEAR_PEFLAG(__HANDLE__)
  
  /** @brief  Clear the SMARTCARD ORE pending flag.
    * @param  __HANDLE__: specifies the USART Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_CLEAR_OREFLAG(__HANDLE__) __HAL_SMARTCARD_CLEAR_PEFLAG(__HANDLE__)
  
  /** @brief  Clear the SMARTCARD IDLE pending flag.
    * @param  __HANDLE__: specifies the USART Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_CLEAR_IDLEFLAG(__HANDLE__) __HAL_SMARTCARD_CLEAR_PEFLAG(__HANDLE__)
  
  /** @brief  Enable the specified SmartCard interrupt.
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    * @param  __INTERRUPT__: specifies the SMARTCARD interrupt to enable.
    *          This parameter can be one of the following values:
    *            @arg SMARTCARD_IT_TXE:  Transmit Data Register empty interrupt
    *            @arg SMARTCARD_IT_TC:   Transmission complete interrupt
    *            @arg SMARTCARD_IT_RXNE: Receive Data register not empty interrupt
    *            @arg SMARTCARD_IT_IDLE: Idle line detection interrupt
    *            @arg SMARTCARD_IT_PE:   Parity Error interrupt
    *            @arg SMARTCARD_IT_ERR:  Error interrupt(Frame error, noise error, overRun error)
    */
  #define __HAL_SMARTCARD_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((((__INTERRUPT__) >> 28U) == SMARTCARD_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & SMARTCARD_IT_MASK)): \
                                                                   ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & SMARTCARD_IT_MASK)))
  
  /** @brief  Disable the specified SmartCard interrupt.
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    * @param  __INTERRUPT__: specifies the SMARTCARD interrupt to disable.
    *          This parameter can be one of the following values:
    *            @arg SMARTCARD_IT_TXE:  Transmit Data Register empty interrupt
    *            @arg SMARTCARD_IT_TC:   Transmission complete interrupt
    *            @arg SMARTCARD_IT_RXNE: Receive Data register not empty interrupt
    *            @arg SMARTCARD_IT_IDLE: Idle line detection interrupt
    *            @arg SMARTCARD_IT_PE:   Parity Error interrupt
    *            @arg SMARTCARD_IT_ERR:  Error interrupt(Frame error, noise error, overRun error)
    */
  #define __HAL_SMARTCARD_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((((__INTERRUPT__) >> 28U) == SMARTCARD_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & SMARTCARD_IT_MASK)): \
                                                                   ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & SMARTCARD_IT_MASK)))
  
  /** @brief  Checks whether the specified SmartCard interrupt has occurred or not.
    * @param  __HANDLE__: specifies the SmartCard Handle.
    * @param  __IT__: specifies the SMARTCARD interrupt source to check.
    *          This parameter can be one of the following values:
    *            @arg SMARTCARD_IT_TXE: Transmit Data Register empty interrupt
    *            @arg SMARTCARD_IT_TC:  Transmission complete interrupt
    *            @arg SMARTCARD_IT_RXNE: Receive Data register not empty interrupt
    *            @arg SMARTCARD_IT_IDLE: Idle line detection interrupt
    *            @arg SMARTCARD_IT_ERR: Error interrupt
    *            @arg SMARTCARD_IT_PE: Parity Error interrupt
    * @retval The new state of __IT__ (TRUE or FALSE).
    */
  #define __HAL_SMARTCARD_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == SMARTCARD_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1: (__HANDLE__)->Instance->CR3) & (((uint32_t)(__IT__)) & SMARTCARD_IT_MASK))
  
  /** @brief  Enable the USART associated to the SMARTCARD Handle
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_ENABLE(__HANDLE__)  ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
  
  /** @brief  Disable the USART associated to the SMARTCARD Handle
    * @param  __HANDLE__: specifies the SMARTCARD Handle.
    *         SMARTCARD Handle selects the USARTx peripheral (USART availability and x value depending on device).
    */
  #define __HAL_SMARTCARD_DISABLE(__HANDLE__)  ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)
  
  /** @brief  Macros to enable the SmartCard DMA request.
    * @param  __HANDLE__: specifies the SmartCard Handle.
    * @param  __REQUEST__: specifies the SmartCard DMA request.
    *          This parameter can be one of the following values:
    *            @arg SMARTCARD_DMAREQ_TX: SmartCard DMA transmit request
    *            @arg SMARTCARD_DMAREQ_RX: SmartCard DMA receive request
    */
  #define __HAL_SMARTCARD_DMA_REQUEST_ENABLE(__HANDLE__, __REQUEST__)    ((__HANDLE__)->Instance->CR3 |=  (__REQUEST__))
  
  /** @brief  Macros to disable the SmartCard DMA request.
    * @param  __HANDLE__: specifies the SmartCard Handle.
    * @param  __REQUEST__: specifies the SmartCard DMA request.
    *          This parameter can be one of the following values:
    *            @arg SMARTCARD_DMAREQ_TX: SmartCard DMA transmit request
    *            @arg SMARTCARD_DMAREQ_RX: SmartCard DMA receive request
    */
  #define __HAL_SMARTCARD_DMA_REQUEST_DISABLE(__HANDLE__, __REQUEST__)   ((__HANDLE__)->Instance->CR3 &=  ~(__REQUEST__))
  
  /**
    * @}
    */
  /* Exported functions --------------------------------------------------------*/
  /** @addtogroup SMARTCARD_Exported_Functions
    * @{
    */
  
  /** @addtogroup SMARTCARD_Exported_Functions_Group1
    * @{
    */
  /* Initialization/de-initialization functions  **********************************/
  HAL_StatusTypeDef HAL_SMARTCARD_Init(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_ReInit(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_DeInit(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_MspInit(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_MspDeInit(SMARTCARD_HandleTypeDef *hsc);
  /**
    * @}
    */
  
  /** @addtogroup SMARTCARD_Exported_Functions_Group2
    * @{
    */
  /* IO operation functions *******************************************************/
  HAL_StatusTypeDef HAL_SMARTCARD_Transmit(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  HAL_StatusTypeDef HAL_SMARTCARD_Receive(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size, uint32_t Timeout);
  HAL_StatusTypeDef HAL_SMARTCARD_Transmit_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size);
  HAL_StatusTypeDef HAL_SMARTCARD_Receive_IT(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size);
  HAL_StatusTypeDef HAL_SMARTCARD_Transmit_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size);
  HAL_StatusTypeDef HAL_SMARTCARD_Receive_DMA(SMARTCARD_HandleTypeDef *hsc, uint8_t *pData, uint16_t Size);
  /* Transfer Abort functions */
  HAL_StatusTypeDef HAL_SMARTCARD_Abort(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_AbortTransmit(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_AbortReceive(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_Abort_IT(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_AbortTransmit_IT(SMARTCARD_HandleTypeDef *hsc);
  HAL_StatusTypeDef HAL_SMARTCARD_AbortReceive_IT(SMARTCARD_HandleTypeDef *hsc);
  
  void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_AbortCpltCallback(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_AbortTransmitCpltCallback(SMARTCARD_HandleTypeDef *hsc);
  void HAL_SMARTCARD_AbortReceiveCpltCallback(SMARTCARD_HandleTypeDef *hsc);
  /**
    * @}
    */
  
  /** @addtogroup SMARTCARD_Exported_Functions_Group3
    * @{
    */
  /* Peripheral State functions  **************************************************/
  HAL_SMARTCARD_StateTypeDef HAL_SMARTCARD_GetState(SMARTCARD_HandleTypeDef *hsc);
  uint32_t HAL_SMARTCARD_GetError(SMARTCARD_HandleTypeDef *hsc);
  /**
    * @}
    */
  
  /**
    * @}
    */
  /* Private types -------------------------------------------------------------*/
  /* Private variables ---------------------------------------------------------*/
  /* Private constants ---------------------------------------------------------*/
  /** @defgroup SMARTCARD_Private_Constants SMARTCARD Private Constants
    * @{
    */
  
  /** @brief SMARTCARD interruptions flag mask
    *
    */
  #define SMARTCARD_IT_MASK                     0x0000FFFFU
  
  #define SMARTCARD_CR1_REG_INDEX               1U
  #define SMARTCARD_CR3_REG_INDEX               3U
  /**
    * @}
    */
  
  /* Private macros --------------------------------------------------------*/
  /** @defgroup SMARTCARD_Private_Macros   SMARTCARD Private Macros
    * @{
    */
  #define IS_SMARTCARD_WORD_LENGTH(LENGTH) ((LENGTH) == SMARTCARD_WORDLENGTH_9B)
  #define IS_SMARTCARD_STOPBITS(STOPBITS) (((STOPBITS) == SMARTCARD_STOPBITS_0_5) || \
                                           ((STOPBITS) == SMARTCARD_STOPBITS_1_5))
  #define IS_SMARTCARD_PARITY(PARITY) (((PARITY) == SMARTCARD_PARITY_EVEN) || \
                                       ((PARITY) == SMARTCARD_PARITY_ODD))
  #define IS_SMARTCARD_MODE(MODE) ((((MODE) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x000000U))
  #define IS_SMARTCARD_POLARITY(CPOL) (((CPOL) == SMARTCARD_POLARITY_LOW) || ((CPOL) == SMARTCARD_POLARITY_HIGH))
  #define IS_SMARTCARD_PHASE(CPHA) (((CPHA) == SMARTCARD_PHASE_1EDGE) || ((CPHA) == SMARTCARD_PHASE_2EDGE))
  #define IS_SMARTCARD_LASTBIT(LASTBIT) (((LASTBIT) == SMARTCARD_LASTBIT_DISABLE) || \
                                         ((LASTBIT) == SMARTCARD_LASTBIT_ENABLE))
  #define IS_SMARTCARD_NACK_STATE(NACK) (((NACK) == SMARTCARD_NACK_ENABLE) || \
                                         ((NACK) == SMARTCARD_NACK_DISABLE))
  #define IS_SMARTCARD_BAUDRATE(BAUDRATE) ((BAUDRATE) < 4500001U)
  
  #define SMARTCARD_DIV(_PCLK_, _BAUD_)            (((_PCLK_)*25U)/(4U*(_BAUD_)))
  #define SMARTCARD_DIVMANT(_PCLK_, _BAUD_)        (SMARTCARD_DIV((_PCLK_), (_BAUD_))/100U)
  #define SMARTCARD_DIVFRAQ(_PCLK_, _BAUD_)        (((SMARTCARD_DIV((_PCLK_), (_BAUD_)) - (SMARTCARD_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 16U + 50U) / 100U)
  /* SMARTCARD BRR = mantissa + overflow + fraction
              = (SMARTCARD DIVMANT << 4) + (SMARTCARD DIVFRAQ & 0xF0) + (SMARTCARD DIVFRAQ & 0x0FU) */
  #define SMARTCARD_BRR(_PCLK_, _BAUD_)            (((SMARTCARD_DIVMANT((_PCLK_), (_BAUD_)) << 4U) + \
                                                    (SMARTCARD_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF0U)) + \
                                                    (SMARTCARD_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x0FU))
  /**
    * @}
    */
  
  /* Private functions ---------------------------------------------------------*/
  /** @defgroup SMARTCARD_Private_Functions SMARTCARD Private Functions
    * @{
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __STM32F1xx_HAL_SMARTCARD_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  