/*!
* @brief set alarm command.
*
* This function set the alarm which will be
* trigerred x secs later. The alarm trigger
* will print a notification on the console.
*/
static void cmd_alarm(uint8_t offsetSec)
{
uint32_t seconds = 0;
if ((offsetSec < 1) || (offsetSec > 60))
{
offsetSec = DEFAULT_ALARM_SECONDS;
}
RTC_HAL_GetDatetimeInSecs(RTC_BASE_PTR, &seconds);
seconds += offsetSec;
// set the datetime for alarm
// set alarm in seconds
RTC_HAL_SetAlarmReg(RTC_BASE_PTR, seconds);
// Activate or deactivate the Alarm interrupt based on user choice
RTC_HAL_SetAlarmIntCmd(RTC_BASE_PTR, true);
}
/*FUNCTION**********************************************************************
*
* Function Name : RTC_DRV_GetDatetime
* Description : gets the actual RTC time and stores it in the given time struct.
* This function will get the actual RTC time and stores it in the given time
* struct.
*
*END**************************************************************************/
void RTC_DRV_GetDatetime(uint32_t instance, rtc_datetime_t *datetime)
{
assert(datetime);
uint32_t rtcBaseAddr = g_rtcBaseAddr[instance];
uint32_t seconds = 0;
uint32_t srcClock = 0;
RTC_HAL_GetDatetimeInSecs(rtcBaseAddr, &seconds);
if ((srcClock = CLOCK_SYS_GetExternalRefClock32kFreq()) != 32768U)
{
/* In case the input clock to the RTC counter is not 32KHz, the seconds register will not
* increment every second, therefore the seconds register value needs to be adjusted.
* to get actual seconds. We then add the prescaler register value to the seconds.
*/
seconds = (seconds * (32768U / srcClock)) + (RTC_HAL_GetPrescaler(rtcBaseAddr) / srcClock);
}
RTC_HAL_ConvertSecsToDatetime(&seconds, datetime);
}
