blink.c

dsp6416开发的底层驱动

/*H*****************************************************************************
*
* $Archive::                                                                   $
* $Revision::                                                                  $
* $Date::                                                                      $
* $Author::                                                                    $
*
* DESCRIPTION:  TMS320C64xx TEB led code 
*
* GLOBALS 
*
* PUBLIC FUNCTIONS:
*                              
* PRIVATE FUNCTIONS:
*
* USAGE/LIMITATIONS:
*
* NOTES: Assumptions:
*             TMS320C64x TEB
*             CPLD connected to EMIF B, TBCE0
*             AMD29LV400BT flash connected to EMIF B, TBCE1
*             SDRAM connected to EMIF A, TACE0
*
* COMPILE SWITCHES:
*
*
*H***************************************************************************/
#define blink_c

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

/*****************************************************************************
* INCLUDE FILES
*****************************************************************************/
/*---- system and platform files -------------------------------------------*/
#include <stdlib.h>
#include <stdio.h>
#include <c6x.h>
/*---- program files -------------------------------------------------------*/

#include "c6416teb.h"
#include "cpld.h"
#include "timer.h"
#include "emif.h"
#include "codec.h"


/*****************************************************************************
* EXTERNAL REFERENCE    
*****************************************************************************/
/*---- data declarations ---------------------------------------------------*/

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

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

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

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

/*---- data declarations ---------------------------------------------------*/
	
/*---- function prototypes -------------------------------------------------*/

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

/*****************************************************************************
* PUBLIC FUNCTION DEFINITIONS
*****************************************************************************/

/*F***************************************************************************
* NAME:   main
*
* DESCRIPTION:          
*       
* NOTES:
*   
*F***************************************************************************/

void main( void )
{   
    int           i;
    
    CSL_init();
	
	/* DSP initialization */
	IRQ_globalDisable();
	for(i=0;i<32;i++){
	IRQ_disable(i);                    /* Disable and clear all IRQ events    */
	IRQ_clear(i);                      /* except reset and NMI interrupts     */
	}

    EMIF_Init();
    TIMER_Init();
    
    for( i=0; i<3; i++ )
    {
    	CPLD_LedOff( LED_ALL );
    	TIMER_DelayMsec( 100 );
    	CPLD_LedOn( LED_ALL );
       	TIMER_DelayMsec( 100 );
	} 	
    
    // Very simple Led test.  Turn them all off then on
    // one at a time, then off one at a time.
  	CPLD_LedOff( LED_ALL );
    
    for(;;)
    {
	    for( i=0; i<LED_AVAILABLE; i++ )
	    {
	    	CPLD_LedOn( LED_0 << i );
	    	TIMER_DelayMsec( 100 );
	    }
	    
	    for( i=0; i<LED_AVAILABLE; i++ )
	    {
	    	CPLD_LedOff( LED_3 >> i );
         	TIMER_DelayMsec( 100 );	    	
	    }
	    
        // Play tone on both channels
        CODEC_PlayTone( 10000, 1, BOTH_CHANNEL );

      
	}
}