/*FUNCTION**********************************************************************
*
* Function Name : RTC_DRV_SetDatetime
* Description : Sets the RTC date and time according to the given time struct.
* This function will set the RTC date and time according to the given time
* struct, if start_after_set is true, the RTC oscillator will be enabled and
* the counter will start.
*
*END**************************************************************************/
bool RTC_DRV_SetDatetime(uint32_t instance, rtc_datetime_t *datetime)
{
assert(datetime);
RTC_Type *rtcBase = g_rtcBase[instance];
uint32_t srcClock = 0;
uint32_t seconds = 0;
uint16_t preScaler = 0;
uint64_t tmp = 0;
/* Return error if the time provided is not valid */
if (!(RTC_HAL_IsDatetimeCorrectFormat(datetime)))
{
return false;
}
RTC_HAL_ConvertDatetimeToSecs(datetime, &seconds);
if ((srcClock = CLOCK_SYS_GetRtcFreq(0U)) != 32768U)
{
/* As the seconds register will not increment every second, we need to adjust the value
* programmed to the seconds register */
tmp = (uint64_t)seconds * (uint64_t)srcClock;
preScaler = (uint32_t)(tmp & 0x7FFFU);
seconds = (uint32_t)(tmp >> 15U);
}
/*FUNCTION**********************************************************************
*
* Function Name : RTC_DRV_SetDatetime
* Description : sets the RTC date and time according to the given time struct.
* This function will set the RTC date and time according to the given time
* struct, if start_after_set is true, the RTC oscillator will be enabled and
* the counter will start.
*
*END**************************************************************************/
bool RTC_DRV_SetDatetime(uint32_t instance, rtc_datetime_t *datetime)
{
assert(datetime);
uint32_t rtcBaseAddr = g_rtcBaseAddr[instance];
uint32_t srcClock = 0;
uint32_t seconds = 0;
/* Return error if the time provided is not valid */
if (!(RTC_HAL_IsDatetimeCorrectFormat(datetime)))
{
return false;
}
RTC_HAL_ConvertDatetimeToSecs(datetime, &seconds);
if ((srcClock = CLOCK_SYS_GetExternalRefClock32kFreq()) != 32768U)
{
/* As the seconds register will not increment every second, we need to adjust the value
* programmed to the seconds register */
seconds = seconds / (32768U / srcClock);
}
/* Set time in seconds */
RTC_HAL_SetDatetimeInsecs(rtcBaseAddr, seconds);
return true;
}
/*FUNCTION**********************************************************************
*
* Function Name : RTC_DRV_SetDatetime
* Description : sets the RTC date and time according to the given time struct.
* This function will set the RTC date and time according to the given time
* struct, if start_after_set is true, the RTC oscillator will be enabled and
* the counter will start.
*
*END**************************************************************************/
bool RTC_DRV_SetDatetime(uint32_t instance, rtc_datetime_t *datetime)
{
assert(datetime);
/* Return error if the time provided is not valid */
if (!(RTC_HAL_IsDatetimeCorrectFormat(datetime)))
{
return false;
}
RTC_HAL_SetDatetime(g_rtcBaseAddr[instance], datetime);
return true;
}
/*FUNCTION**********************************************************************
*
* Function Name : RTC_DRV_SetAlarm
* Description : sets the RTC alarm.
* This function will first check if the date time has correct format. If yes,
* convert the date time to seconds, and set the alarm in seconds.
*
*END**************************************************************************/
bool RTC_DRV_SetAlarm(uint32_t instance, rtc_datetime_t *alarmTime, bool enableAlarmInterrupt)
{
assert(alarmTime);
uint32_t rtcBaseAddr = g_rtcBaseAddr[instance];
uint32_t srcClock = 0;
uint32_t alrmSeconds = 0;
uint32_t currSeconds = 0;
/* Return error if the alarm time provided is not valid */
if (!(RTC_HAL_IsDatetimeCorrectFormat(alarmTime)))
{
return false;
}
RTC_HAL_ConvertDatetimeToSecs(alarmTime, &alrmSeconds);
/* Get the current time */
currSeconds = RTC_HAL_GetSecsReg(rtcBaseAddr);
if ((srcClock = CLOCK_SYS_GetExternalRefClock32kFreq()) != 32768U)
{
/* As the seconds register will not increment every second, we need to adjust the value
* programmed to the alarm register */
alrmSeconds = alrmSeconds / (32768U / srcClock);
}
/* Make sure the alarm is for a future time */
if (alrmSeconds < currSeconds)
{
return false;
}
/* set alarm in seconds*/
RTC_HAL_SetAlarmReg(rtcBaseAddr, alrmSeconds);
/* Activate or deactivate the Alarm interrupt based on user choice */
RTC_HAL_SetAlarmIntCmd(rtcBaseAddr, enableAlarmInterrupt);
return true;
}
/*FUNCTION**********************************************************************
*
* Function Name : RTC_DRV_SetAlarm
* Description : sets the RTC alarm.
* This function will first check if the date time has correct format. If yes,
* convert the date time to seconds, and set the alarm in seconds.
*
*END**************************************************************************/
bool RTC_DRV_SetAlarm(uint32_t instance, rtc_datetime_t *alarmTime, bool enableAlarmInterrupt)
{
assert(alarmTime);
bool ret = false;
uint32_t rtcBaseAddr = g_rtcBaseAddr[instance];
/* Return error if the alarm time provided is not valid */
if (!(RTC_HAL_IsDatetimeCorrectFormat(alarmTime)))
{
return ret;
}
ret = RTC_HAL_SetAlarm(rtcBaseAddr, alarmTime);
if (ret)
{
/* Activate the Alarm interrupt if user wishes to use interrupts */
RTC_HAL_SetAlarmIntCmd(rtcBaseAddr, enableAlarmInterrupt);
}
return ret;
}
