rtcperiodicseconds.c

ADI公司blackfin DSP开发板BF533 EZ-KIT LITE附带的全部原代码

/* system service include file */
#include <services/services.h>		

/* real time clock service include file */
#include <services/rtc/adi_rtc.h>		

/* system time include file */
#include <time.h>

/* initialization 'sizings' */
#include "adi_ssl_init.h"           

/**************************************************************

 Below are masks that are OR's into the final result, to 
 determine what specific things may have failed.
 
***************************************************************/
 
#define ADI_TEST_SUCCESSFUL           0
#define ADI_TEST_SSL_INIT_FAILED      0x01
#define ADI_TEST_SET_DATETIME_FAILED  0x04
#define ADI_TEST_GET_DATETIME_FAILED  0x08
#define ADI_TEST_DATETIME_WRONG       0x10
#define ADI_TEST_SSL_TERMINATE_FAILED 0x40


volatile static u32 SecondsCompleteFlag;


/*  Callback function  */
	
static void RTCCallback(void *ClientHandle, u32  Event, void *pArg)	
{
    
    switch ( (u32)Event ) {

    	/* one second periodic interrupt */    	
    	case ADI_RTC_EVENT_SECONDS:          
        {
           SecondsCompleteFlag = 1;
	       adi_rtc_RemoveCallback(ADI_RTC_EVENT_SECONDS );       
           break;
        }
           
         /* one minute periodic interrupt */  
        case ADI_RTC_EVENT_MINUTES :                 
           break;
           
        /*  hourly periodic interrupt */
        case ADI_RTC_EVENT_HOURS:            
            break;
               
        /* daily periodic interrupt */
        case ADI_RTC_EVENT_DAYS:             
             break;
            
        /* stopwatch countdown timeout event */              
        case ADI_RTC_EVENT_STOPWATCH:        
            break;

        /*  time of day, daily alarm  */
        case ADI_RTC_EVENT_EACH_DAY_ALARM:          
            break;
            
        /*  day & time once only alarm  */
        case ADI_RTC_EVENT_ONCE_ALARM:          
             break;
        
         /*  pending register writes complete */
        case ADI_RTC_EVENT_WRITES_COMPLETE:  
            break;

        default:
            break;	
    }
    return;
}


/* **************************************************************
 *
 * Main Function of the Application
 *
 * **************************************************************/

main()
{
    /* variables for storing result codes */
    u32 TmpResult, FinalResult;
	
    /* argument for saving critical region data */
    void *critical_region_arg = 0;
	
    
    /* Start by assuming success. */ 	    	
    FinalResult = ADI_TEST_SUCCESSFUL;
    
    /* Initialize the system services. */
    
    /* Use temporary result code to check whether system services */
    /* were successfully initialized - see 'ssl_init.c' */
	
    if(( TmpResult = adi_ssl_Init() ) != 0 )
    {
        /* Add a specific error code to the final result */		
        FinalResult |= ADI_TEST_SSL_INIT_FAILED;
    }
	
    
    if( FinalResult == 0 )
    {
    
        /* zero this flag */
        SecondsCompleteFlag = 0;	
	
        /* install a callback, that will set the flag */
        adi_rtc_InstallCallback(ADI_RTC_EVENT_SECONDS, (void*)NULL, NULL, RTCCallback, (void*)NULL );
	
	
        /* and set a breakpoint in the callback */
        while( SecondsCompleteFlag == 0 );	 
	 
    }

    /* Terminate the system services */
    if(( TmpResult = adi_ssl_Terminate()) != 0 )
    {
         /* Add a specific error code to the final result */  
         FinalResult |= ADI_TEST_SSL_TERMINATE_FAILED;
    }

    /* Here, examine the value of "FinalResult" and see the definitions at */
    /* the beginning of this file which describe result */
    
    while( 1 )
    {
    	TmpResult = FinalResult ;
    }	
}