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K64F: adapt RTC drivers to the new standards (is_enabled function) 

Make rtc_isenabled() to return 1 if the RTC is initialized and the time has been set; 0 otherwise.
Disable clock gate on exit from this function if RTC was initialized.
pull/7009/head
Przemyslaw Stekiel 2018-03-01 10:50:53 +01:00 committed by Bartek Szatkowski
parent 377db73100
commit 1e46895f75
1 changed files with 16 additions and 2 deletions
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18
targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/api/rtc_api.c
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@ -23,6 +23,8 @@
extern void rtc_setup_oscillator(RTC_Type *base);
static bool rtc_time_set = false;
void rtc_init(void)
{
rtc_config_t rtcConfig;
@ -44,13 +46,23 @@ void rtc_free(void)
}
/*
* Little check routine to see if the RTC has been enabled
* Little check routine to see if the RTC has been initialized and time has been set
* 0 = Disabled, 1 = Enabled
*/
int rtc_isenabled(void)
{
#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
CLOCK_EnableClock(kCLOCK_Rtc0);
return (int)((RTC->SR & RTC_SR_TCE_MASK) >> RTC_SR_TCE_SHIFT);
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
const bool rtc_init_done = ((RTC->SR & RTC_SR_TCE_MASK) >> RTC_SR_TCE_SHIFT);
/* If RTC is not initialized, then disable the clock gate on exit. */
if(!rtc_init_done) {
rtc_free();
}
return (rtc_init_done & rtc_time_set);
}
time_t rtc_read(void)
@ -63,6 +75,8 @@ void rtc_write(time_t t)
RTC_StopTimer(RTC);
RTC->TSR = t;
RTC_StartTimer(RTC);
rtc_time_set = true;
}
#endif