McBSP初始化函数

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#include <csl_mcbsp.h> //header included

MCBSP_Handle hMcbsp; //定义一个MCBSP的句柄

/***********************************************************************/
/*    函数声明：    MCBSP初始化                                */
/***********************************************************************/
void McBSP_int()
{

/* Let's open up serial port 0 */
    hMcbsp = MCBSP_open(MCBSP_DEV1, MCBSP_OPEN_RESET);
                                               /*Before a McBSP port can be used, it must first be opened by this function.
                                            The return value is a unique device handle that you use in subsequent McBSP API calls
                                             MCBSP_Handle MCBSP_open(
                                                int devNum,//McBSP device (port) number:
                                                                   MCBSP_DEV0
                                                                   MCBSP_DEV1
                                                 Uint32 flags//MCBSP_OPEN_RESET
                                               );*/

    MCBSP_config(hMcbsp,&ConfigLoopback);

/*Sets up the McBSP port using the configuration structure.

void MCBSP_config(
MCBSP_Handle hMcbsp,
MCBSP_Config *Config
);

/* Now that the port is setup, let's enable it in steps. */
    MCBSP_start(hMcbsp,MCBSP_RCV_START | MCBSP_XMIT_START |
                       MCBSP_SRGR_START| MCBSP_SRGR_FRAMESYNC,
               MCBSP_SRGR_DEFAULT_DELAY);

/*Use this function to start a transmit and/or receive operation for a McBSP port
by passing the handle and mask.

void MCBSP_start(
MCBSP_Handle hMcbsp, // handle
Uint32 startMask, //using macros instead ,pull some part out of rst ,enable these part

                                         // MCBSP_XMIT_START: start transmit (XRST)
                                          // MCBSP_RCV_START: start receive (RRST)
                                           // MCBSP_SRGR_START: start Sample rate
                                            //generator (GRST)
                                            // MCBSP_SRGR_FRAMESYNC: Start frame   //spi doesn't need
sync. Generation (FRST)

Uint32 SampleRateGenDelay//sys requirments
);*/
}