SPI Exported Constants

Modules
	Get Flags Defines
	Flags defines which can be used with LL_SPI_ReadReg function.
	IT Defines
	IT defines which can be used with LL_SPI_ReadReg and LL_SPI_WriteReg functions.
	Operation Mode
	Serial Protocol
	Clock Phase
	Clock Polarity
	Baud Rate Prescaler
	Transmission Bit Order
	Transfer Mode
	Slave Select Pin Mode
	Datawidth
	CRC Calculation
	CRC Length
	RX FIFO Threshold
	RX FIFO Level
	TX FIFO Level
	DMA Parity