CCS/MSP432P401R: SPI with DMA

Hi Joonbum,

Yes the SPI driver already utilizes DMA, you don't have to configure it separately. 

You can use the spi params structure to configure the bit rate:

typedef struct {
    SPI_TransferMode transferMode;       /*!< Blocking or Callback mode */
    uint32_t         transferTimeout;    /*!< Transfer timeout in system
                                              ticks */
    SPI_CallbackFxn  transferCallbackFxn;/*!< Callback function pointer */
    SPI_Mode         mode;               /*!< Master or Slave mode */
    /*! @brief SPI bit rate in Hz
     *
     *  Maximum bit rates supported by hardware:
     *  Device Family | Slave Max (MHz)    | Master Max (MHz) |
     *  ------------- | ------------------ | ---------------- |
     *  MSP432P4      | 16 MHz             | 24 MHz           |
     *  MSP432E4      | 10 MHz             | 60 MHz           |
     *  CC13XX/CC26XX | 4  MHz             | 12 MHz           |
     *  CC32XX        | 20 MHz             | 20 MHz           |
     *
     *  Please note that depending on the specific use case, the driver may not
     *  support the hardware's maximum bit rate.
     */
    uint32_t         bitRate;
    uint32_t         dataSize;           /*!< SPI data frame size in bits */
    SPI_FrameFormat  frameFormat;        /*!< SPI frame format */
    void            *custom;             /*!< Custom argument used by driver
                                              implementation */
} SPI_Params;

Thanks,

Alexis