/*H***************************************************************************
*
* $Archive::                                                                 $
* $Revision::                                                                $
* $Date::                                                                    $
* $Author::                                                                  $
*
* DESCRIPTION:  
*	Data definitions for the TMS320C54XX timer.
*
* USAGE/LIMITATIONS:
*
* NOTES:
*   
* By: Patrick Cresap  
*
*H***************************************************************************/

#ifndef C54Xtimer_h
#define C54Xtimer_h

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

/*****************************************************************************
* INCLUDE FILES (minimize nesting of header files)
*****************************************************************************/

/*---- system and platform files -------------------------------------------*/

/*---- program files -------------------------------------------------------*/

/*****************************************************************************
* FILE CONTENT
*****************************************************************************/

/*****************************************************************************
* FUNCTIONAL AREA DETAIL
*****************************************************************************/

/*A***************************************************************************
* NAME:     
*
* USAGE:    
*
* NOTES:
*
*A***************************************************************************/

/*---- context -------------------------------------------------------------*/

/*---- data descriptions ---------------------------------------------------*/

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

/*--------------------------------------------------------------------------- 
* Time Control Register Break Down
*---------------------------------------------------------------------------*/     

#define TDDR0 0x0001  /* TDDR Timer divide down ratio- Contains the period  */
#define TDDR1 0x0002  /* for one of the timer counters.  Only does 0 - 15,  */
#define TDDR2 0x0004  /* PRD does 0-65536.  You can use them together or use*/ 
#define TDDR3 0x0008  /* just one or both to obtain desired clock speed.    */
#define TSS	  0x0010  /* Timer start/stop.  TSS=1 = stop, TSS=0 = restart   */
#define TRB   0x0020  /* Timer Reset Bit.  Loads TDDR when TRB=1.           */
#define PSC0  0x0040  /* Prescalar counter.  TDDR is loaded into PSC.       */
#define PSC1  0x0080  /* Do not change, leave 0000 */
#define PSC2  0x0100
#define PSC3  0x0200
#define TCR_FREE  0x0400  
#define TCR_SOFT  0x0800  /* Detemines state of clock at breakpoint         */       

/*--------------------------------------------------------------------------- 
* Timing registers definitions
*---------------------------------------------------------------------------*/
/*-- Timing register, contains current count -------------------------------*/
#define TIM ( ( unsigned short *) 0x0024 ) 
/*-- Period register, defines the period of timer --------------------------*/
#define PRD ( ( unsigned short *) 0x0025 ) 
/*-- Time Control register, controls timer operation ------------------------*/
#define TCR ( ( unsigned short *) 0x0026 )   

/*-- Timer interrupt position in IMR ---------------------------------------*/
#define IMR_TINT  0x0008   

/*-- Definitions for the Clock ---------------------------------------------*/
typedef struct clock_struct          
{            
	unsigned short tick;
	unsigned short millisecond;
	unsigned short second;
	unsigned short minute;
	unsigned short hour;
}CLOCK_STRUCT;


/*---- global function prototypes ------------------------------------------*/
void time ( void );  
void C5XX_TimerInit( int TintPeriod  );
void set_time(void);


#endif /*  timer5410.h ------ END OF FILE -------------------------------------*/