/********************************************************************************/
/** DMA: Send out 4 SPI data words through SSC1 triggered by DMA               **/
/********************************************************************************/
/** The first SPI transfer (0x1234) is initiated manually.                     **/
/** Then, based on the transmit ready indication given by the SSC1 module,     **/
/** the DMA is triggered and fills in the next words into the SPI sendbuffer.  **/
/** To decode SPI message from SSC1, here are the following settings in Config **/
/** Wizard:                                                                    **/
/** - SPI CLK : P0.3 (low when inactive)                                       **/
/** - SPI MOSI: P0.2                                                           **/
/** - SPI MISO: P0.4                                                           **/
/** - Least significant bit first                                              **/
/** - 16 bits per transfer                                                     **/
/** - Data valid on clock trailing edge                                        **/
/** - Enable line is active low                                                **/
/********************************************************************************/
