void rtc_write(time_t t)
{
if (! rtc_inited) {
rtc_init();
}
// Convert timestamp to struct tm
struct tm *timeinfo = localtime(&t);
S_RTC_TIME_DATA_T rtc_datetime;
// Convert S_RTC_TIME_DATA_T to struct tm
rtc_datetime.u32Year = timeinfo->tm_year + YEAR0;
rtc_datetime.u32Month = timeinfo->tm_mon + 1;
rtc_datetime.u32Day = timeinfo->tm_mday;
rtc_datetime.u32DayOfWeek = timeinfo->tm_wday;
rtc_datetime.u32Hour = timeinfo->tm_hour;
rtc_datetime.u32Minute = timeinfo->tm_min;
rtc_datetime.u32Second = timeinfo->tm_sec;
rtc_datetime.u32TimeScale = RTC_CLOCK_24;
// NOTE: Timing issue with write to RTC registers. This delay is empirical, not rational.
RTC_SetDateAndTime(&rtc_datetime);
//nu_nop(6000);
wait_us(100);
}
void rtc_write(time_t t)
{
if (! rtc_isenabled()) {
rtc_init();
}
// Convert timestamp to struct tm
struct tm timeinfo;
if (_rtc_localtime(t, &timeinfo, RTC_FULL_LEAP_YEAR_SUPPORT) == false) {
return;
}
S_RTC_TIME_DATA_T rtc_datetime;
// Convert S_RTC_TIME_DATA_T to struct tm
rtc_datetime.u32Year = timeinfo.tm_year + YEAR0;
rtc_datetime.u32Month = timeinfo.tm_mon + 1;
rtc_datetime.u32Day = timeinfo.tm_mday;
rtc_datetime.u32DayOfWeek = timeinfo.tm_wday;
rtc_datetime.u32Hour = timeinfo.tm_hour;
rtc_datetime.u32Minute = timeinfo.tm_min;
rtc_datetime.u32Second = timeinfo.tm_sec;
rtc_datetime.u32TimeScale = RTC_CLOCK_24;
// NOTE: Timing issue with write to RTC registers. This delay is empirical, not rational.
RTC_SetDateAndTime(&rtc_datetime);
wait_us(100);
}
/**
* @brief Initialize RTC module and start counting
*
* @param[in] sPt Specify the time property and current date and time. It includes: \n
* u32Year: Year value, range between 2000 ~ 2099. \n
* u32Month: Month value, range between 1 ~ 12. \n
* u32Day: Day value, range between 1 ~ 31. \n
* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY] \n
* u32Hour: Hour value, range between 0 ~ 23. \n
* u32Minute: Minute value, range between 0 ~ 59. \n
* u32Second: Second value, range between 0 ~ 59. \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @return None
*
* @details This function is used to: \n
* 1. Write initial key to let RTC start count. \n
* 2. Input parameter indicates start date/time. \n
* 3. User has to make sure that parameters of RTC date/time are reasonable. \n
* @note Null pointer for using default starting date/time.
*/
void RTC_Open(S_RTC_TIME_DATA_T *sPt)
{
RTC_T *pRTC;
if((__PC()&NS_OFFSET) == NS_OFFSET)
{
pRTC = RTC_NS;
}
else
{
pRTC = RTC;
}
pRTC->INIT = RTC_INIT_KEY;
if(pRTC->INIT != RTC_INIT_ACTIVE_Msk)
{
pRTC->INIT = RTC_INIT_KEY;
while(pRTC->INIT != RTC_INIT_ACTIVE_Msk) {}
}
if(sPt == 0)
{
; /* No RTC date/time data */
}
else
{
/* Set RTC date and time */
RTC_SetDateAndTime(sPt);
}
}
/**
* @brief Initialize RTC setting and start counting
*
* @param[in] sPt Specify the time property and current date and time. It includes: \n
* u32Year: Year value. \n
* u32Month: Month value. \n
* u32Day: Day value. \n
* u32DayOfWeek: Day of the week. [RTC_SUNDAY / RTC_MONDAY / RTC_TUESDAY /
* RTC_WEDNESDAY / RTC_THURSDAY / RTC_FRIDAY /
* RTC_SATURDAY] \n
* u32Hour: Hour value. \n
* u32Minute: Minute value. \n
* u32Second: Second value. \n
* u32TimeScale: [RTC_CLOCK_12 / RTC_CLOCK_24] \n
* u8AmPm: [RTC_AM / RTC_PM] \n
*
* @return None
*
* @details This function is used to: \n
* 1. Write initial key to let RTC start count. \n
* 2. Input parameter indicates start date/time. \n
* @note Null pointer for using default starting date/time.
*/
void RTC_Open(S_RTC_TIME_DATA_T *sPt)
{
RTC->INIR = RTC_INIT_KEY;
if(RTC->INIR != 0x1)
{
RTC->INIR = RTC_INIT_KEY;
while(RTC->INIR != 0x1);
}
if(sPt == NULL)
return ;
/* Set RTC date and time */
RTC_SetDateAndTime(sPt);
/* Waiting for RTC settings stable */
while((RTC->AER & RTC_AER_ENF_Msk) == RTC_AER_ENF_Msk);
}
void RTCUtils_SetDateTime(const RTCUtils_DateTime_t *dateTime) {
S_RTC_TIME_DATA_T rtcData;
uint32_t primask;
// Populate RTC data
rtcData.u32Year = 2000 + dateTime->year;
rtcData.u32Month = dateTime->month;
rtcData.u32Day = dateTime->day;
rtcData.u32DayOfWeek = dateTime->dayOfWeek;
rtcData.u32Hour = dateTime->hour;
rtcData.u32Minute = dateTime->minute;
rtcData.u32Second = dateTime->second;
rtcData.u32TimeScale = RTC_CLOCK_24;
// Protect against concurrent SetDateTime and GetDateTime
primask = Thread_IrqDisable();
if(!RTCUtils_isRTCOpen) {
// Enable LXT clock
SYS_UnlockReg();
CLK_EnableXtalRC(CLK_PWRCTL_LXTEN_Msk);
CLK_WaitClockReady(CLK_STATUS_LXTSTB_Msk);
CLK_EnableModuleClock(RTC_MODULE);
SYS_LockReg();
// Initialize RTC with supplied data
RTC_Open(&rtcData);
// Atomic, set as last to minimize CS in GetDateTime
RTCUtils_isRTCOpen = 1;
}
else {
// Update RTC data
RTC_SetDateAndTime(&rtcData);
}
Thread_IrqRestore(primask);
}
