typedef struct
{
    uint32_t Mode;                       /* Specifies the SPI operating mode. */
    uint32_t Direction;                  /* Specifies the SPI bidirectional mode 
                                            state. */
    uint32_t DataSize;                   /* Specifies the SPI data size. */
    uint32_t CLKPolarity;                /* Specifies the serial clock steady 
                                            state. */
    uint32_t CLKPhase;                   /* Specifies the clock active edge for 
                                            the bit capture. */
    uint32_t NSS;                        /* Specifies whether the NSS signal is 
                                            managed by hardware (NSS pin) or by 
                                            software using the SSI bit. */
    uint32_t BaudRatePrescaler;          /* Specifies the Baud Rate prescaler 
                                            value which used to configure the 
                                            transmit and receive SCK clock. */
    uint32_t FirstBit;                   /* Specifies whether data transfers  
                                            start from MSB or LSB bit. */
    uint32_t TIMode;                     /* Specifies if the TI mode is enabled
                                             or not. */
    uint32_t CRCCalculation;             /* Specifies if the CRC calculation is 
                                            enabled or not. */
    uint32_t CRCPolynomial;              /* Specifies the polynomial used for 
                                            the CRC calculation. */
    uint32_t CRCLength;                  /* Specifies the CRC Length used for 
                                            the CRC calculation. */
    uint32_t NSSPMode;                   /* Specifies whether the NSSP signal is 
                                            enabled or not. */
    uint32_t NSSPolarity;                /* Specifies which level of SS input/
                                            output external signal (present on 
                                            SS pin) is considered as active 
                                            one. */                                                                                         
    uint32_t FifoThreshold;              /* Specifies the FIFO threshold level.*/
    uint32_t TxCRCInitializationPattern; /* Specifies the transmitter CRC 
                                            initialization Pattern used for the 
                                            CRC calculation.*/
    uint32_t RxCRCInitializationPattern; /* Specifies the receiver CRC 
                                            initialization Pattern used for the
                                            CRC calculation. */
    uint32_t MasterSSIdleness;           /* Specifies an extra delay, expressed  
                                            in number of SPI clock cycle periods, 
                                            inserted additionally between active
                                            edge of SS and first data transaction
                                            start in master mode. */
    uint32_t MasterInterDataIdleness;    /* Specifies minimum time delay 
                                            (expressed in SPI clock cycles 
                                            periods) inserted between two 
                                            consecutive data frames in 
                                            master mode. */
    uint32_t MasterReceiverAutoSusp;     /* Control continuous SPI transfer 
                                            in master receiver mode and automatic 
                                            management in order to avoid overrun 
                                            condition. */
    uint32_t MasterKeepIOState;          /* Control of Alternate function GPIOs
                                            state. */
    uint32_t IOSwap;                     /* Invert MISO/MOSI alternate 
                                            functions. */
} SPI_InitTypeDef;