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Added getRealTime() and setRealTime().

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Reimplemented checkRealTime() to use RTEMS internal routine.
This commit is contained in:
Joel Sherrill
1998-07-30 21:27:51 +00:00
parent 91af3e499b
commit 509dc7c18d
2 changed files with 99 additions and 18 deletions
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78
c/src/lib/libbsp/shared/tod.c
View File

@@ -148,6 +148,62 @@ void setRealTimeFromRTEMS()
RTC_Table[RTC_Minor].pDeviceFns->deviceSetTime(RTC_Minor, &rtems_tod);
}
/*PAGE
*
* getRealTime
*
* This routine reads the current time from the RTC.
*
* Input parameters: NONE
*
* Output parameters: NONE
*
* Return values: NONE
*/
void getRealTime(
rtems_time_of_day *tod
)
{
if (!RTC_Present)
return;
RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, tod);
}
/*PAGE
*
* setRealTime
*
* This routine sets the RTC.
*
* Input parameters: NONE
*
* Output parameters: NONE
*
* Return values: NONE
*/
/* XXX this routine should be part of the public RTEMS interface */
rtems_boolean _TOD_Validate( rtems_time_of_day *tod );
int setRealTime(
rtems_time_of_day *tod
)
{
if (!RTC_Present)
return -1;
if ( !_TOD_Validate(tod) )
return -1;
RTC_Table[RTC_Minor].pDeviceFns->deviceSetTime(RTC_Minor, tod);
return 0;
}
/*PAGE
*
* checkRealTime
@@ -160,28 +216,28 @@ void setRealTimeFromRTEMS()
* Output parameters: NONE
*
* Return values:
* int The differance between the real time clock and rtems time or
* 9999 in the event of an error.
* int The differance between the real time clock and rtems time.
*/
/* XXX this routine should be part of the public RTEMS interface */
unsigned32 _TOD_To_seconds( rtems_time_of_day *tod );
int checkRealTime()
{
rtems_time_of_day rtems_tod;
rtems_time_of_day rtc_tod;
unsigned32 rtems_time;
unsigned32 rtc_time;
if (!RTC_Present)
return 0;
return -1;
rtems_clock_get( RTEMS_CLOCK_GET_TOD, &rtems_tod );
RTC_Table[RTC_Minor].pDeviceFns->deviceGetTime(RTC_Minor, &rtc_tod);
if( rtems_tod.year == rtc_tod.year &&
rtems_tod.month == rtc_tod.month &&
rtems_tod.day == rtc_tod.day ) {
return ((rtems_tod.hour - rtc_tod.hour) * 3600) +
((rtems_tod.minute - rtc_tod.minute) * 60) +
(rtems_tod.second - rtc_tod.second);
}
return 9999;
rtems_time = _TOD_To_seconds( &rtems_tod );
rtc_time = _TOD_To_seconds( &rtc_tod );
return rtems_time - rtc_time;
}

39
c/src/lib/libbsp/shared/tod.h
View File

@@ -21,15 +21,40 @@
extern "C" {
#endif
extern void setRealTimeToRTEMS();
/* Read real time from RTC and set it to RTEMS' clock manager */
/*
* Set the RTC.
*/
extern void setRealTimeFromRTEMS();
/* Read time from RTEMS' clock manager and set it to RTC */
int setRealTime(
rtems_time_of_day *tod
);
extern int checkRealTime();
/* Return the difference between RTC and RTEMS' clock manager time in minutes.
If the difference is greater than 1 day, this returns 9999. */
/*
* Get the time from the RTC.
*/
void getRealTime(
rtems_time_of_day *tod
);
/*
* Read real time from RTC and set it to RTEMS' clock manager
*/
void setRealTimeToRTEMS();
/*
* Read time from RTEMS' clock manager and set it to RTC
*/
void setRealTimeFromRTEMS();
/*
* Return the difference between RTC and RTEMS' clock manager time in minutes.
* If the difference is greater than 1 day, this returns 9999.
*/
int checkRealTime();
#ifdef __cplusplus
}