stm32f1xx_hal_spi.h

/**
  ******************************************************************************
  * @file    stm32f1xx_hal_spi.h
  * @author  MCD Application Team
  * @brief   Header file of SPI 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_SPI_H
#define __STM32F1xx_HAL_SPI_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal_def.h"  

/** @addtogroup STM32F1xx_HAL_Driver
  * @{
  */

/** @addtogroup SPI
  * @{
  */

/* Exported types ------------------------------------------------------------*/
/** @defgroup SPI_Exported_Types SPI Exported Types
  * @{
  */

/**
  * @brief  SPI Configuration Structure definition
  */
typedef struct
{
  uint32_t Mode;               /*!< Specifies the SPI operating mode.
                                    This parameter can be a value of @ref SPI_Mode */

  uint32_t Direction;          /*!< Specifies the SPI Directional mode state.
                                    This parameter can be a value of @ref SPI_Direction */

  uint32_t DataSize;           /*!< Specifies the SPI data size.
                                    This parameter can be a value of @ref SPI_Data_Size */

  uint32_t CLKPolarity;        /*!< Specifies the serial clock steady state.
                                    This parameter can be a value of @ref SPI_Clock_Polarity */

  uint32_t CLKPhase;           /*!< Specifies the clock active edge for the bit capture.
                                    This parameter can be a value of @ref SPI_Clock_Phase */

  uint32_t NSS;                /*!< Specifies whether the NSS signal is managed by
                                    hardware (NSS pin) or by software using the SSI bit.
                                    This parameter can be a value of @ref SPI_Slave_Select_management */

  uint32_t BaudRatePrescaler;  /*!< Specifies the Baud Rate prescaler value which will be
                                    used to configure the transmit and receive SCK clock.
                                    This parameter can be a value of @ref SPI_BaudRate_Prescaler
                                    @note The communication clock is derived from the master
                                     clock. The slave clock does not need to be set. */

  uint32_t FirstBit;           /*!< Specifies whether data transfers start from MSB or LSB bit.
                                    This parameter can be a value of @ref SPI_MSB_LSB_transmission */

  uint32_t TIMode;             /*!< Specifies if the TI mode is enabled or not.
                                    This parameter can be a value of @ref SPI_TI_mode */

  uint32_t CRCCalculation;     /*!< Specifies if the CRC calculation is enabled or not.
                                    This parameter can be a value of @ref SPI_CRC_Calculation */

  uint32_t CRCPolynomial;      /*!< Specifies the polynomial used for the CRC calculation.
                                    This parameter must be a number between Min_Data = 0 and Max_Data = 65535 */
}SPI_InitTypeDef;

/**
  * @brief  HAL SPI State structure definition
  */
typedef enum
{
  HAL_SPI_STATE_RESET      = 0x00U,    /*!< Peripheral not Initialized                         */
  HAL_SPI_STATE_READY      = 0x01U,    /*!< Peripheral Initialized and ready for use           */
  HAL_SPI_STATE_BUSY       = 0x02U,    /*!< an internal process is ongoing                     */
  HAL_SPI_STATE_BUSY_TX    = 0x03U,    /*!< Data Transmission process is ongoing               */
  HAL_SPI_STATE_BUSY_RX    = 0x04U,    /*!< Data Reception process is ongoing                  */
  HAL_SPI_STATE_BUSY_TX_RX = 0x05U,    /*!< Data Transmission and Reception process is ongoing */
  HAL_SPI_STATE_ERROR      = 0x06U     /*!< SPI error state                                    */
}HAL_SPI_StateTypeDef;

/**
  * @brief  SPI handle Structure definition
  */
typedef struct __SPI_HandleTypeDef
{
  SPI_TypeDef                *Instance;    /*!< SPI registers base address */

  SPI_InitTypeDef            Init;         /*!< SPI communication parameters */

  uint8_t                    *pTxBuffPtr;  /*!< Pointer to SPI Tx transfer Buffer */

  uint16_t                   TxXferSize;   /*!< SPI Tx Transfer size */

  __IO uint16_t              TxXferCount;  /*!< SPI Tx Transfer Counter */

  uint8_t                    *pRxBuffPtr;  /*!< Pointer to SPI Rx transfer Buffer */

  uint16_t                   RxXferSize;   /*!< SPI Rx Transfer size */

  __IO uint16_t              RxXferCount;  /*!< SPI Rx Transfer Counter */

  void                       (*RxISR)(struct __SPI_HandleTypeDef * hspi); /*!< function pointer on Rx ISR */

  void                       (*TxISR)(struct __SPI_HandleTypeDef * hspi); /*!< function pointer on Tx ISR */

  DMA_HandleTypeDef          *hdmatx;      /*!< SPI Tx DMA Handle parameters   */

  DMA_HandleTypeDef          *hdmarx;      /*!< SPI Rx DMA Handle parameters   */

  HAL_LockTypeDef            Lock;         /*!< Locking object                 */

  __IO HAL_SPI_StateTypeDef  State;        /*!< SPI communication state */

  __IO uint32_t              ErrorCode;    /*!< SPI Error code */

}SPI_HandleTypeDef;

/**
  * @}
  */

/* Exported constants --------------------------------------------------------*/
/** @defgroup SPI_Exported_Constants SPI Exported Constants
  * @{
  */

/** @defgroup SPI_Error_Code SPI Error Code
  * @{
  */
#define HAL_SPI_ERROR_NONE              0x00000000U   /*!< No error             */
#define HAL_SPI_ERROR_MODF              0x00000001U   /*!< MODF error           */
#define HAL_SPI_ERROR_CRC               0x00000002U   /*!< CRC error            */
#define HAL_SPI_ERROR_OVR               0x00000004U   /*!< OVR error            */
#define HAL_SPI_ERROR_FRE               0x00000008U   /*!< FRE error            */
#define HAL_SPI_ERROR_DMA               0x00000010U   /*!< DMA transfer error   */
#define HAL_SPI_ERROR_FLAG              0x00000020U   /*!< Flag: RXNE,TXE, BSY  */
/**
  * @}
  */

/** @defgroup SPI_Mode SPI Mode
  * @{
  */
#define SPI_MODE_SLAVE                  0x00000000U
#define SPI_MODE_MASTER                 (SPI_CR1_MSTR | SPI_CR1_SSI)
/**
  * @}
  */

/** @defgroup SPI_Direction SPI Direction Mode
  * @{
  */
#define SPI_DIRECTION_2LINES            0x00000000U
#define SPI_DIRECTION_2LINES_RXONLY     SPI_CR1_RXONLY
#define SPI_DIRECTION_1LINE             SPI_CR1_BIDIMODE
/**
  * @}
  */

/** @defgroup SPI_Data_Size SPI Data Size
  * @{
  */
#define SPI_DATASIZE_8BIT               0x00000000U
#define SPI_DATASIZE_16BIT              SPI_CR1_DFF
/**
  * @}
  */

/** @defgroup SPI_Clock_Polarity SPI Clock Polarity
  * @{
  */
#define SPI_POLARITY_LOW                0x00000000U
#define SPI_POLARITY_HIGH               SPI_CR1_CPOL
/**
  * @}
  */

/** @defgroup SPI_Clock_Phase SPI Clock Phase
  * @{
  */
#define SPI_PHASE_1EDGE                 0x00000000U
#define SPI_PHASE_2EDGE                 SPI_CR1_CPHA
/**
  * @}
  */

/** @defgroup SPI_Slave_Select_management SPI Slave Select Management
  * @{
  */
#define SPI_NSS_SOFT                    SPI_CR1_SSM
#define SPI_NSS_HARD_INPUT              0x00000000U
#define SPI_NSS_HARD_OUTPUT             ((uint32_t)(SPI_CR2_SSOE << 16))
/**
  * @}
  */

/** @defgroup SPI_BaudRate_Prescaler SPI BaudRate Prescaler
  * @{
  */
#define SPI_BAUDRATEPRESCALER_2         0x00000000U
#define SPI_BAUDRATEPRESCALER_4         SPI_CR1_BR_0
#define SPI_BAUDRATEPRESCALER_8         SPI_CR1_BR_1
#define SPI_BAUDRATEPRESCALER_16        (uint32_t)(SPI_CR1_BR_1 | SPI_CR1_BR_0)
#define SPI_BAUDRATEPRESCALER_32        SPI_CR1_BR_2
#define SPI_BAUDRATEPRESCALER_64        (uint32_t)(SPI_CR1_BR_2 | SPI_CR1_BR_0)
#define SPI_BAUDRATEPRESCALER_128       (uint32_t)(SPI_CR1_BR_2 | SPI_CR1_BR_1)
#define SPI_BAUDRATEPRESCALER_256       (uint32_t)(SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0)

/**
  * @}
  */

/** @defgroup SPI_MSB_LSB_transmission SPI MSB LSB Transmission
  * @{
  */
#define SPI_FIRSTBIT_MSB                0x00000000U
#define SPI_FIRSTBIT_LSB                SPI_CR1_LSBFIRST
/**
  * @}
  */

/** @defgroup SPI_TI_mode SPI TI Mode
  * @{
  */
#define SPI_TIMODE_DISABLE             0x00000000U
/**
  * @}
  */

/** @defgroup SPI_CRC_Calculation SPI CRC Calculation
  * @{
  */
#define SPI_CRCCALCULATION_DISABLE     0x00000000U
#define SPI_CRCCALCULATION_ENABLE      SPI_CR1_CRCEN
/**
  * @}
  */

/** @defgroup SPI_Interrupt_definition SPI Interrupt Definition
  * @{
  */
#define SPI_IT_TXE                      SPI_CR2_TXEIE
#define SPI_IT_RXNE                     SPI_CR2_RXNEIE
#define SPI_IT_ERR                      SPI_CR2_ERRIE
/**
  * @}
  */

/** @defgroup SPI_Flags_definition SPI Flags Definition
  * @{
  */
#define SPI_FLAG_RXNE                   SPI_SR_RXNE   /* SPI status flag: Rx buffer not empty flag */
#define SPI_FLAG_TXE                    SPI_SR_TXE    /* SPI status flag: Tx buffer empty flag */
#define SPI_FLAG_BSY                    SPI_SR_BSY    /* SPI status flag: Busy flag */
#define SPI_FLAG_CRCERR                 SPI_SR_CRCERR /* SPI Error flag: CRC error flag */
#define SPI_FLAG_MODF                   SPI_SR_MODF   /* SPI Error flag: Mode fault flag */
#define SPI_FLAG_OVR                    SPI_SR_OVR    /* SPI Error flag: Overrun flag */
/**
  * @}
  */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/** @defgroup SPI_Exported_Macros SPI Exported Macros
  * @{
  */

/** @brief  Reset SPI handle state.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define __HAL_SPI_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SPI_STATE_RESET)

/** @brief  Enable the specified SPI interrupts.
  * @param  __HANDLE__: specifies the SPI handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @param  __INTERRUPT__: specifies the interrupt source to enable.
  *         This parameter can be one of the following values:
  *            @arg SPI_IT_TXE: Tx buffer empty interrupt enable
  *            @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
  *            @arg SPI_IT_ERR: Error interrupt enable
  * @retval None
  */
#define __HAL_SPI_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR2 |= (__INTERRUPT__))

/** @brief  Disable the specified SPI interrupts.
  * @param  __HANDLE__: specifies the SPI handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @param  __INTERRUPT__: specifies the interrupt source to disable.
  *         This parameter can be one of the following values:
  *            @arg SPI_IT_TXE: Tx buffer empty interrupt enable
  *            @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
  *            @arg SPI_IT_ERR: Error interrupt enable
  * @retval None
  */
#define __HAL_SPI_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->CR2 &= (~(__INTERRUPT__)))

/** @brief  Check whether the specified SPI interrupt source is enabled or not.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @param  __INTERRUPT__: specifies the SPI interrupt source to check.
  *          This parameter can be one of the following values:
  *             @arg SPI_IT_TXE: Tx buffer empty interrupt enable
  *             @arg SPI_IT_RXNE: RX buffer not empty interrupt enable
  *             @arg SPI_IT_ERR: Error interrupt enable
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_SPI_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

/** @brief  Check whether the specified SPI flag is set or not.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @param  __FLAG__: specifies the flag to check.
  *         This parameter can be one of the following values:
  *            @arg SPI_FLAG_RXNE: Receive buffer not empty flag
  *            @arg SPI_FLAG_TXE: Transmit buffer empty flag
  *            @arg SPI_FLAG_CRCERR: CRC error flag
  *            @arg SPI_FLAG_MODF: Mode fault flag
  *            @arg SPI_FLAG_OVR: Overrun flag
  *            @arg SPI_FLAG_BSY: Busy flag
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_SPI_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))

/** @brief  Clear the SPI CRCERR pending flag.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define __HAL_SPI_CLEAR_CRCERRFLAG(__HANDLE__) ((__HANDLE__)->Instance->SR = (uint16_t)(~SPI_FLAG_CRCERR))

/** @brief  Clear the SPI MODF pending flag.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define __HAL_SPI_CLEAR_MODFFLAG(__HANDLE__)       \
do{                                                \
    __IO uint32_t tmpreg_modf = 0x00U;             \
    tmpreg_modf = (__HANDLE__)->Instance->SR;      \
    (__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE); \
    UNUSED(tmpreg_modf);                           \
  } while(0U)

/** @brief  Clear the SPI OVR pending flag.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define __HAL_SPI_CLEAR_OVRFLAG(__HANDLE__)        \
do{                                                \
    __IO uint32_t tmpreg_ovr = 0x00U;              \
    tmpreg_ovr = (__HANDLE__)->Instance->DR;       \
    tmpreg_ovr = (__HANDLE__)->Instance->SR;       \
    UNUSED(tmpreg_ovr);                            \
  } while(0U)


/** @brief  Enable the SPI peripheral.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define __HAL_SPI_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |=  SPI_CR1_SPE)

/** @brief  Disable the SPI peripheral.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define __HAL_SPI_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= (~SPI_CR1_SPE))
/**
  * @}
  */

/* Exported functions --------------------------------------------------------*/
/** @addtogroup SPI_Exported_Functions
  * @{
  */

/** @addtogroup SPI_Exported_Functions_Group1
  * @{
  */
/* Initialization/de-initialization functions  **********************************/
HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi);
HAL_StatusTypeDef HAL_SPI_DeInit (SPI_HandleTypeDef *hspi);
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi);
void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi);
/**
  * @}
  */

/** @addtogroup SPI_Exported_Functions_Group2
  * @{
  */
/* I/O operation functions  *****************************************************/
HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_TransmitReceive_IT(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Transmit_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Receive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_TransmitReceive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_DMAPause(SPI_HandleTypeDef *hspi);
HAL_StatusTypeDef HAL_SPI_DMAResume(SPI_HandleTypeDef *hspi);
HAL_StatusTypeDef HAL_SPI_DMAStop(SPI_HandleTypeDef *hspi);
/* Transfer Abort functions */
HAL_StatusTypeDef HAL_SPI_Abort(SPI_HandleTypeDef *hspi);
HAL_StatusTypeDef HAL_SPI_Abort_IT(SPI_HandleTypeDef *hspi);

void HAL_SPI_IRQHandler(SPI_HandleTypeDef *hspi);
void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_TxHalfCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_RxHalfCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_TxRxHalfCpltCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi);
void HAL_SPI_AbortCpltCallback(SPI_HandleTypeDef *hspi);
/**
  * @}
  */

/** @addtogroup SPI_Exported_Functions_Group3
  * @{
  */
/* Peripheral State and Error functions ***************************************/
HAL_SPI_StateTypeDef HAL_SPI_GetState(SPI_HandleTypeDef *hspi);
uint32_t             HAL_SPI_GetError(SPI_HandleTypeDef *hspi);
/**
  * @}
  */

/**
  * @}
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup SPI_Private_Constants SPI Private Constants
  * @{
  */
#define SPI_INVALID_CRC_ERROR     0U          /* CRC error wrongly detected */
#define SPI_VALID_CRC_ERROR       1U          /* CRC error is true */
/**
  * @}
  */
/* Private macros ------------------------------------------------------------*/
/** @defgroup SPI_Private_Macros SPI Private Macros
  * @{
  */

/** @brief  Set the SPI transmit-only mode.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define SPI_1LINE_TX(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= SPI_CR1_BIDIOE)

/** @brief  Set the SPI receive-only mode.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define SPI_1LINE_RX(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= (~SPI_CR1_BIDIOE))

/** @brief  Reset the CRC calculation of the SPI.
  * @param  __HANDLE__: specifies the SPI Handle.
  *         This parameter can be SPI where x: 1, 2, or 3 to select the SPI peripheral.
  * @retval None
  */
#define SPI_RESET_CRC(__HANDLE__) do{(__HANDLE__)->Instance->CR1 &= (uint16_t)(~SPI_CR1_CRCEN);\
                                     (__HANDLE__)->Instance->CR1 |= SPI_CR1_CRCEN;}while(0U)

#define IS_SPI_MODE(MODE) (((MODE) == SPI_MODE_SLAVE) || \
                           ((MODE) == SPI_MODE_MASTER))

#define IS_SPI_DIRECTION(MODE) (((MODE) == SPI_DIRECTION_2LINES)        || \
                                ((MODE) == SPI_DIRECTION_2LINES_RXONLY) || \
                                ((MODE) == SPI_DIRECTION_1LINE))

#define IS_SPI_DIRECTION_2LINES(MODE) ((MODE) == SPI_DIRECTION_2LINES)

#define IS_SPI_DIRECTION_2LINES_OR_1LINE(MODE) (((MODE) == SPI_DIRECTION_2LINES)  || \
                                                ((MODE) == SPI_DIRECTION_1LINE))

#define IS_SPI_DATASIZE(DATASIZE) (((DATASIZE) == SPI_DATASIZE_16BIT) || \
                                   ((DATASIZE) == SPI_DATASIZE_8BIT))

#define IS_SPI_CPOL(CPOL) (((CPOL) == SPI_POLARITY_LOW) || \
                           ((CPOL) == SPI_POLARITY_HIGH))

#define IS_SPI_CPHA(CPHA) (((CPHA) == SPI_PHASE_1EDGE) || \
                           ((CPHA) == SPI_PHASE_2EDGE))

#define IS_SPI_NSS(NSS) (((NSS) == SPI_NSS_SOFT)       || \
                         ((NSS) == SPI_NSS_HARD_INPUT) || \
                         ((NSS) == SPI_NSS_HARD_OUTPUT))

#define IS_SPI_BAUDRATE_PRESCALER(PRESCALER) (((PRESCALER) == SPI_BAUDRATEPRESCALER_2)   || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_4)   || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_8)   || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_16)  || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_32)  || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_64)  || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_128) || \
                                              ((PRESCALER) == SPI_BAUDRATEPRESCALER_256))

#define IS_SPI_FIRST_BIT(BIT) (((BIT) == SPI_FIRSTBIT_MSB) || \
                               ((BIT) == SPI_FIRSTBIT_LSB))

#define IS_SPI_CRC_CALCULATION(CALCULATION) (((CALCULATION) == SPI_CRCCALCULATION_DISABLE) || \
                                             ((CALCULATION) == SPI_CRCCALCULATION_ENABLE))

#define IS_SPI_CRC_POLYNOMIAL(POLYNOMIAL) (((POLYNOMIAL) >= 0x01U) && ((POLYNOMIAL) <= 0xFFFFU))

/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/
/** @defgroup SPI_Private_Functions SPI Private Functions
  * @{
  */
uint8_t SPI_ISCRCErrorValid(SPI_HandleTypeDef *hspi);
/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32F1xx_HAL_SPI_H */

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