/*H*****************************************************************************
*
* $Archive::                                                                   $
* $Revision::                                                                  $
* $Date::                                                                      $
* $Author::                                                                    $
*
* DESCRIPTION:
*	Contains the initializations functions for the mcbsp of the TMS320C5410
*
* GLOBALS
*
* PUBLIC FUNCTIONS:
*                              
* PRIVATE FUNCTIONS:
*
* USAGE/LIMITATIONS:
*
* NOTES:
*   
* AUTHOR: Patrick Cresap, 2000
*
*H***************************************************************************/
#define mcbsp5410_c

/*---- compilation control switches ----------------------------------------*/

/*****************************************************************************
* INCLUDE FILES
*****************************************************************************/
/*---- system and platform files -------------------------------------------*/

/*---- program files -------------------------------------------------------*/
#include "mcbsp5410.h"
/*****************************************************************************
* EXTERNAL REFERENCE    
*****************************************************************************/
/*---- data declarations ---------------------------------------------------*/

/*---- function prototypes -------------------------------------------------*/

/*****************************************************************************
* PUBLIC DECLARATIONS 
*****************************************************************************/

/*---- data declarations ---------------------------------------------------*/
volatile unsigned int *SerPortSubAddPtr = (unsigned int *) 0x0038;
volatile unsigned int *SerPortSubAddDataPtr = (unsigned int *) 0x0039;

/*****************************************************************************
* PRIVATE DECLARATIONS  
*****************************************************************************/
/*---- context -------------------------------------------------------------*/

/*---- data declarations ---------------------------------------------------*/

/*---- function prototypes -------------------------------------------------*/

/*---- macros --------------------------------------------------------------*/

/*****************************************************************************
* PUBLIC FUNCTION DEFINITIONS
*****************************************************************************/
void SerialPortInit( void )
{

    unsigned int temp;

    write_mcbsp0_subreg( SPCR1_sa, I_SPCR1);
    write_mcbsp0_subreg( SPCR2_sa, I_SPCR2);
    write_mcbsp0_subreg( RCR1_sa,  I_RCR1);
    write_mcbsp0_subreg( RCR2_sa,  I_RCR2);
    write_mcbsp0_subreg( XCR1_sa,  I_XCR1);
    write_mcbsp0_subreg( XCR2_sa,  I_XCR2);

    /* Enable Reciever */
    read_mcbsp0_subreg( SPCR1_sa, &temp);
    temp |= RRST_s;
    write_mcbsp0_subreg( SPCR1_sa, temp);

    /* Enable Transmitter */
    read_mcbsp0_subreg( SPCR2_sa, &temp);
    temp |= XRST_s;
    write_mcbsp0_subreg( SPCR2_sa, temp);
    write_mcbsp0_subreg( PCR_sa,  I_PCR);

}
 
void write_mcbsp0_subreg( unsigned int reg_add, unsigned int reg_val )
{
    *SerPortSubAddPtr = reg_add;
    *SerPortSubAddDataPtr = reg_val;
}

void read_mcbsp0_subreg( unsigned int reg_add, unsigned int *reg_val )
{
    *SerPortSubAddPtr = reg_add;
    *reg_val = *SerPortSubAddDataPtr;
}