oneshotstopwatch.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


/* maintain a static stopwatch event counter that is initialized to 0 */
volatile static u32  SWEventCounter = 0;

/* Use a flag to signal the occurence of a stopwatch event */
volatile static u32 StopwatchCompleteFlag;


/* Callback function */

static void RTCCallback(void *ClientHandle, u32  Event, void *pArg)	
{

    switch ( (u32)Event ) 
    {
    	/* one second periodic interrupt */    	
    	case 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:        
        {
           adi_rtc_RemoveCallback( ADI_RTC_EVENT_STOPWATCH );
           StopwatchCompleteFlag = 1;
           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;

    u32 ResponseCount;

    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;
    }
	
   
    /* zero this flag */
    StopwatchCompleteFlag = 0;	
	
    /* install the stopwatch callback to happen in 5 seconds */
    adi_rtc_InstallCallback(ADI_RTC_EVENT_STOPWATCH, (void*)NULL, NULL, RTCCallback, (void*)5 );
	
    while( StopwatchCompleteFlag == 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, 0 means no errors. */
    while( 1 )
    {
    	TmpResult = FinalResult ;
    }
    
}