B3M38SPD seminar project - beehive monitor with LoRa reporting
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spd-lorabees/Src/hw_rtc.c

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19 KiB

7 years ago
/*
/ _____) _ | |
( (____ _____ ____ _| |_ _____ ____| |__
\____ \| ___ | (_ _) ___ |/ ___) _ \
_____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
(C)2013 Semtech
Description: MCU RTC timer
License: Revised BSD License, see LICENSE.TXT file include in the project
Maintainer: Miguel Luis and Gregory Cristian
*/
/*******************************************************************************
* @file hw_rtc.c
* @author MCD Application Team
* @version V1.1.2
* @date 08-September-2017
* @brief driver for RTC
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
* All rights reserved.</center></h2>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions are met:
*
* 1. Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of other
* contributors to this software may be used to endorse or promote products
* derived from this software without specific written permission.
* 4. This software, including modifications and/or derivative works of this
* software, must execute solely and exclusively on microcontroller or
* microprocessor devices manufactured by or for STMicroelectronics.
* 5. Redistribution and use of this software other than as permitted under
* this license is void and will automatically terminate your rights under
* this license.
*
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "hw.h"
#include "low_power.h"
/* Private typedef -----------------------------------------------------------*/
typedef struct
{
TimerTime_t Rtc_Time; /* Reference time */
RTC_TimeTypeDef RTC_Calndr_Time; /* Reference time in calendar format */
RTC_DateTypeDef RTC_Calndr_Date; /* Reference date in calendar format */
} RtcTimerContext_t;
/* Private define ------------------------------------------------------------*/
/* MCU Wake Up Time */
#define MIN_ALARM_DELAY 3 /* in ticks */
/* subsecond number of bits */
#define N_PREDIV_S 10
/* Synchonuous prediv */
#define PREDIV_S ((1<<N_PREDIV_S)-1)
/* Asynchonuous prediv */
#define PREDIV_A (1<<(15-N_PREDIV_S))-1
/* Sub-second mask definition */
#if (N_PREDIV_S == 10)
#define HW_RTC_ALARMSUBSECONDMASK RTC_ALARMSUBSECONDMASK_SS14_10
#else
#error "Please define HW_RTC_ALARMSUBSECONDMASK"
#endif
/* RTC Time base in us */
#define USEC_NUMBER 1000000
#define MSEC_NUMBER (USEC_NUMBER/1000)
#define RTC_ALARM_TIME_BASE (USEC_NUMBER>>N_PREDIV_S)
#define COMMON_FACTOR 3
#define CONV_NUMER (MSEC_NUMBER>>COMMON_FACTOR)
#define CONV_DENOM (1<<(N_PREDIV_S-COMMON_FACTOR))
#define DAYS_IN_LEAP_YEAR (uint32_t) 366
#define DAYS_IN_YEAR (uint32_t) 365
#define SECONDS_IN_1DAY (uint32_t) 86400
#define SECONDS_IN_1HOUR (uint32_t) 3600
#define SECONDS_IN_1MINUTE (uint32_t) 60
#define MINUTES_IN_1HOUR (uint32_t) 60
#define HOURS_IN_1DAY (uint32_t) 24
#define DAYS_IN_MONTH_CORRECTION_NORM ((uint32_t) 0x99AAA0 )
#define DAYS_IN_MONTH_CORRECTION_LEAP ((uint32_t) 0x445550 )
/* Calculates ceiling(X/N) */
#define DIVC(X,N) ( ( (X) + (N) -1 ) / (N) )
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/*!
* \brief Indicates if the RTC is already Initalized or not
*/
static bool HW_RTC_Initalized = false;
/*!
* \brief compensates MCU wakeup time
*/
static bool McuWakeUpTimeInitialized = false;
/*!
* \brief compensates MCU wakeup time
*/
static int16_t McuWakeUpTimeCal = 0;
/*!
* Number of days in each month on a normal year
*/
static const uint8_t DaysInMonth[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
/*!
* Number of days in each month on a leap year
*/
static const uint8_t DaysInMonthLeapYear[] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
static RTC_HandleTypeDef RtcHandle={0};
static RTC_AlarmTypeDef RTC_AlarmStructure;
/*!
* Keep the value of the RTC timer when the RTC alarm is set
* Set with the HW_RTC_SetTimerContext function
* Value is kept as a Reference to calculate alarm
*/
static RtcTimerContext_t RtcTimerContext;
/* Private function prototypes -----------------------------------------------*/
static void HW_RTC_SetConfig( void );
static void HW_RTC_SetAlarmConfig( void );
static void HW_RTC_StartWakeUpAlarm( uint32_t timeoutValue );
static TimerTime_t HW_RTC_GetCalendarValue( RTC_DateTypeDef* RTC_DateStruct, RTC_TimeTypeDef* RTC_TimeStruct );
/* Exported functions ---------------------------------------------------------*/
/*!
* @brief Initializes the RTC timer
* @note The timer is based on the RTC
* @param none
* @retval none
*/
void HW_RTC_Init( void )
{
if( HW_RTC_Initalized == false )
{
HW_RTC_SetConfig( );
HW_RTC_SetAlarmConfig( );
HW_RTC_SetTimerContext( );
HW_RTC_Initalized = true;
}
}
/*!
* @brief Configures the RTC timer
* @note The timer is based on the RTC
* @param none
* @retval none
*/
static void HW_RTC_SetConfig( void )
{
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
RtcHandle.Instance = RTC;
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = PREDIV_A; /* RTC_ASYNCH_PREDIV; */
RtcHandle.Init.SynchPrediv = PREDIV_S; /* RTC_SYNCH_PREDIV; */
RtcHandle.Init.OutPut = RTC_OUTPUT;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
HAL_RTC_Init( &RtcHandle );
/*Monday 1st January 2016*/
RTC_DateStruct.Year = 0;
RTC_DateStruct.Month = RTC_MONTH_JANUARY;
RTC_DateStruct.Date = 1;
RTC_DateStruct.WeekDay = RTC_WEEKDAY_MONDAY;
HAL_RTC_SetDate(&RtcHandle , &RTC_DateStruct, RTC_FORMAT_BIN);
/*at 0:0:0*/
RTC_TimeStruct.Hours = 0;
RTC_TimeStruct.Minutes = 0;
RTC_TimeStruct.Seconds = 0;
RTC_TimeStruct.TimeFormat = 0;
RTC_TimeStruct.SubSeconds = 0;
RTC_TimeStruct.StoreOperation = RTC_DAYLIGHTSAVING_NONE;
RTC_TimeStruct.DayLightSaving = RTC_STOREOPERATION_RESET;
HAL_RTC_SetTime(&RtcHandle , &RTC_TimeStruct, RTC_FORMAT_BIN);
/*Enable Direct Read of the calendar registers (not through Shadow) */
HAL_RTCEx_EnableBypassShadow(&RtcHandle);
}
/*!
* @brief calculates the wake up time between wake up and mcu start
* @note resulotion in RTC_ALARM_TIME_BASE in timer ticks
* @param none
* @retval none
*/
void HW_RTC_setMcuWakeUpTime( void )
{
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
TimerTime_t now, hit;
int16_t McuWakeUpTime;
if ((McuWakeUpTimeInitialized == false) &&
( HAL_NVIC_GetPendingIRQ( RTC_Alarm_IRQn ) == 1))
{ /* warning: works ok if now is below 30 days
it is ok since it's done once at first alarm wake-up*/
McuWakeUpTimeInitialized = true;
now = HW_RTC_GetCalendarValue( &RTC_DateStruct, &RTC_TimeStruct );
DBG_GPIO_SET(GPIOB, GPIO_PIN_13);
DBG_GPIO_RST(GPIOB, GPIO_PIN_13);
HAL_RTC_GetAlarm(&RtcHandle, &RTC_AlarmStructure, RTC_ALARM_A, RTC_FORMAT_BIN );
hit = RTC_AlarmStructure.AlarmTime.Seconds+
60*(RTC_AlarmStructure.AlarmTime.Minutes+
60*(RTC_AlarmStructure.AlarmTime.Hours+
24*(RTC_AlarmStructure.AlarmDateWeekDay)));
hit = ( hit << N_PREDIV_S ) + (PREDIV_S - RTC_AlarmStructure.AlarmTime.SubSeconds);
McuWakeUpTime = (int16_t) ((now-hit));
McuWakeUpTimeCal += McuWakeUpTime;
DBG_PRINTF("Cal=%d, %d\n\r",McuWakeUpTimeCal, McuWakeUpTime);
}
}
int16_t HW_RTC_getMcuWakeUpTime( void )
{
return McuWakeUpTimeCal;
}
/*!
* @brief returns the wake up time in ticks
* @param none
* @retval wake up time in ticks
*/
uint32_t HW_RTC_GetMinimumTimeout( void )
{
return( MIN_ALARM_DELAY );
}
/*!
* @brief converts time in ms to time in ticks
* @param [IN] time in milliseconds
* @retval returns time in timer ticks
*/
uint32_t HW_RTC_ms2Tick( TimerTime_t timeMicroSec )
{
/*return( ( timeMicroSec / RTC_ALARM_TIME_BASE ) ); */
return ( uint32_t) ( ( ((uint64_t)timeMicroSec) * CONV_DENOM ) / CONV_NUMER );
}
/*!
* @brief converts time in ticks to time in ms
* @param [IN] time in timer ticks
* @retval returns time in milliseconds
*/
TimerTime_t HW_RTC_Tick2ms( uint32_t tick )
{
/*return( ( timeMicroSec * RTC_ALARM_TIME_BASE ) ); */
return ( ( (uint64_t)( tick )* CONV_NUMER ) / CONV_DENOM );
}
/*!
* @brief Set the alarm
* @note The alarm is set at now (read in this funtion) + timeout
* @param timeout Duration of the Timer ticks
*/
void HW_RTC_SetAlarm( uint32_t timeout )
{
/* we don't go in Low Power mode for timeout below MIN_ALARM_DELAY */
if ( (MIN_ALARM_DELAY + McuWakeUpTimeCal ) < ((timeout - HW_RTC_GetTimerElapsedTime( ) )) )
{
LowPower_Enable( e_LOW_POWER_RTC );
}
else
{
LowPower_Disable( e_LOW_POWER_RTC );
}
if( LowPower_GetState() == 0 )
{
LowPower_Enable( e_LOW_POWER_RTC );
timeout = timeout - McuWakeUpTimeCal;
}
HW_RTC_StartWakeUpAlarm( timeout );
}
/*!
* @brief Get the RTC timer elapsed time since the last Alarm was set
* @param none
* @retval RTC Elapsed time in ticks
*/
uint32_t HW_RTC_GetTimerElapsedTime( void )
{
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
TimerTime_t CalendarValue = HW_RTC_GetCalendarValue(&RTC_DateStruct, &RTC_TimeStruct );
return( ( uint32_t )( CalendarValue - RtcTimerContext.Rtc_Time ));
}
/*!
* @brief Get the RTC timer value
* @param none
* @retval RTC Timer value in ticks
*/
uint32_t HW_RTC_GetTimerValue( void )
{
RTC_TimeTypeDef RTC_TimeStruct;
RTC_DateTypeDef RTC_DateStruct;
uint32_t CalendarValue = (uint32_t) HW_RTC_GetCalendarValue(&RTC_DateStruct, &RTC_TimeStruct );
return( CalendarValue );
}
/*!
* @brief Stop the Alarm
* @param none
* @retval none
*/
void HW_RTC_StopAlarm( void )
{
/* Clear RTC Alarm Flag */
__HAL_RTC_ALARM_CLEAR_FLAG( &RtcHandle, RTC_FLAG_ALRAF);
/* Disable the Alarm A interrupt */
HAL_RTC_DeactivateAlarm(&RtcHandle, RTC_ALARM_A );
}
/*!
* @brief RTC IRQ Handler on the RTC Alarm
* @param none
* @retval none
*/
void HW_RTC_IrqHandler ( void )
{
RTC_HandleTypeDef* hrtc=&RtcHandle;
/* enable low power at irq*/
LowPower_Enable( e_LOW_POWER_RTC );
/* Get the AlarmA interrupt source enable status */
if(__HAL_RTC_ALARM_GET_IT_SOURCE(hrtc, RTC_IT_ALRA) != RESET)
{
/* Get the pending status of the AlarmA Interrupt */
if(__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) != RESET)
{
/* Clear the AlarmA interrupt pending bit */
__HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
/* Clear the EXTI's line Flag for RTC Alarm */
__HAL_RTC_ALARM_EXTI_CLEAR_FLAG();
/* AlarmA callback */
HAL_RTC_AlarmAEventCallback(hrtc);
}
}
}
/*!
* @brief a delay of delay ms by polling RTC
* @param delay in ms
* @retval none
*/
void HW_RTC_DelayMs( uint32_t delay )
{
TimerTime_t delayValue = 0;
TimerTime_t timeout = 0;
delayValue = HW_RTC_ms2Tick( delay );
/* Wait delay ms */
timeout = HW_RTC_GetTimerValue( );
while( ( ( HW_RTC_GetTimerValue( ) - timeout ) ) < delayValue )
{
__NOP( );
}
}
/*!
* @brief set Time Reference set also the RTC_DateStruct and RTC_TimeStruct
* @param none
* @retval Timer Value
*/
uint32_t HW_RTC_SetTimerContext( void )
{
RtcTimerContext.Rtc_Time = HW_RTC_GetCalendarValue( &RtcTimerContext.RTC_Calndr_Date, &RtcTimerContext.RTC_Calndr_Time );
return ( uint32_t ) RtcTimerContext.Rtc_Time;
}
/*!
* @brief Get the RTC timer Reference
* @param none
* @retval Timer Value in Ticks
*/
uint32_t HW_RTC_GetTimerContext( void )
{
return (uint32_t) RtcTimerContext.Rtc_Time;
}
/* Private functions ---------------------------------------------------------*/
/*!
* @brief configure alarm at init
* @param none
* @retval none
*/
static void HW_RTC_SetAlarmConfig( void )
{
HAL_RTC_DeactivateAlarm(&RtcHandle, RTC_ALARM_A);
}
/*!
* @brief start wake up alarm
* @note alarm in RtcTimerContext.Rtc_Time + timeoutValue
* @param timeoutValue in ticks
* @retval none
*/
static void HW_RTC_StartWakeUpAlarm( uint32_t timeoutValue )
{
uint16_t rtcAlarmSubSeconds = 0;
uint16_t rtcAlarmSeconds = 0;
uint16_t rtcAlarmMinutes = 0;
uint16_t rtcAlarmHours = 0;
uint16_t rtcAlarmDays = 0;
RTC_TimeTypeDef RTC_TimeStruct = RtcTimerContext.RTC_Calndr_Time;
RTC_DateTypeDef RTC_DateStruct = RtcTimerContext.RTC_Calndr_Date;
HW_RTC_StopAlarm( );
DBG_GPIO_SET(GPIOB, GPIO_PIN_13);
/*reverse counter */
rtcAlarmSubSeconds = PREDIV_S - RTC_TimeStruct.SubSeconds;
rtcAlarmSubSeconds += ( timeoutValue & PREDIV_S);
/* convert timeout to seconds */
timeoutValue >>= N_PREDIV_S; /* convert timeout in seconds */
/*convert microsecs to RTC format and add to 'Now' */
rtcAlarmDays = RTC_DateStruct.Date;
while (timeoutValue >= SECONDS_IN_1DAY)
{
timeoutValue -= SECONDS_IN_1DAY;
rtcAlarmDays++;
}
/* calc hours */
rtcAlarmHours = RTC_TimeStruct.Hours;
while (timeoutValue >= SECONDS_IN_1HOUR)
{
timeoutValue -= SECONDS_IN_1HOUR;
rtcAlarmHours++;
}
/* calc minutes */
rtcAlarmMinutes = RTC_TimeStruct.Minutes;
while (timeoutValue >= SECONDS_IN_1MINUTE)
{
timeoutValue -= SECONDS_IN_1MINUTE;
rtcAlarmMinutes++;
}
/* calc seconds */
rtcAlarmSeconds = RTC_TimeStruct.Seconds + timeoutValue;
/***** correct for modulo********/
while (rtcAlarmSubSeconds >= (PREDIV_S+1))
{
rtcAlarmSubSeconds -= (PREDIV_S+1);
rtcAlarmSeconds++;
}
while (rtcAlarmSeconds >= SECONDS_IN_1MINUTE)
{
rtcAlarmSeconds -= SECONDS_IN_1MINUTE;
rtcAlarmMinutes++;
}
while (rtcAlarmMinutes >= MINUTES_IN_1HOUR)
{
rtcAlarmMinutes -= MINUTES_IN_1HOUR;
rtcAlarmHours++;
}
while (rtcAlarmHours >= HOURS_IN_1DAY)
{
rtcAlarmHours -= HOURS_IN_1DAY;
rtcAlarmDays++;
}
if( RTC_DateStruct.Year % 4 == 0 )
{
if( rtcAlarmDays > DaysInMonthLeapYear[ RTC_DateStruct.Month - 1 ] )
{
rtcAlarmDays = rtcAlarmDays % DaysInMonthLeapYear[ RTC_DateStruct.Month - 1 ];
}
}
else
{
if( rtcAlarmDays > DaysInMonth[ RTC_DateStruct.Month - 1 ] )
{
rtcAlarmDays = rtcAlarmDays % DaysInMonth[ RTC_DateStruct.Month - 1 ];
}
}
/* Set RTC_AlarmStructure with calculated values*/
RTC_AlarmStructure.AlarmTime.SubSeconds = PREDIV_S-rtcAlarmSubSeconds;
RTC_AlarmStructure.AlarmSubSecondMask = HW_RTC_ALARMSUBSECONDMASK;
RTC_AlarmStructure.AlarmTime.Seconds = rtcAlarmSeconds;
RTC_AlarmStructure.AlarmTime.Minutes = rtcAlarmMinutes;
RTC_AlarmStructure.AlarmTime.Hours = rtcAlarmHours;
RTC_AlarmStructure.AlarmDateWeekDay = ( uint8_t )rtcAlarmDays;
RTC_AlarmStructure.AlarmTime.TimeFormat = RTC_TimeStruct.TimeFormat;
RTC_AlarmStructure.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
RTC_AlarmStructure.AlarmMask = RTC_ALARMMASK_NONE;
RTC_AlarmStructure.Alarm = RTC_ALARM_A;
RTC_AlarmStructure.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
RTC_AlarmStructure.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
/* Set RTC_Alarm */
HAL_RTC_SetAlarm_IT( &RtcHandle, &RTC_AlarmStructure, RTC_FORMAT_BIN );
/* Debug Printf*/
DBG( HW_RTC_GetCalendarValue( &RTC_DateStruct, &RTC_TimeStruct ); );
DBG_PRINTF("it's %d:%d:%d:%d ", RTC_TimeStruct.Hours, RTC_TimeStruct.Minutes, RTC_TimeStruct.Seconds, ((PREDIV_S - RTC_TimeStruct.SubSeconds)*1000)>>N_PREDIV_S);
DBG_PRINTF("WU@ %d:%d:%d:%d\n\r", rtcAlarmHours, rtcAlarmMinutes, rtcAlarmSeconds, (rtcAlarmSubSeconds*1000)>>N_PREDIV_S );
DBG_GPIO_RST(GPIOB, GPIO_PIN_13);
}
/*!
* @brief get current time from calendar in ticks
* @param pointer to RTC_DateStruct
* @param pointer to RTC_TimeStruct
* @retval time in ticks
*/
static TimerTime_t HW_RTC_GetCalendarValue( RTC_DateTypeDef* RTC_DateStruct, RTC_TimeTypeDef* RTC_TimeStruct )
{
TimerTime_t calendarValue = 0;
uint32_t first_read;
uint32_t correction;
/* Get Time and Date*/
HAL_RTC_GetTime( &RtcHandle, RTC_TimeStruct, RTC_FORMAT_BIN );
/* make sure it is correct due to asynchronus nature of RTC*/
do {
first_read = RTC_TimeStruct->SubSeconds;
HAL_RTC_GetDate( &RtcHandle, RTC_DateStruct, RTC_FORMAT_BIN );
HAL_RTC_GetTime( &RtcHandle, RTC_TimeStruct, RTC_FORMAT_BIN );
} while (first_read != RTC_TimeStruct->SubSeconds);
/* calculte amount of elapsed days since 01/01/2000 */
calendarValue= DIVC( (DAYS_IN_YEAR*3 + DAYS_IN_LEAP_YEAR)* RTC_DateStruct->Year , 4);
correction = ( (RTC_DateStruct->Year % 4) == 0 ) ? DAYS_IN_MONTH_CORRECTION_LEAP : DAYS_IN_MONTH_CORRECTION_NORM ;
calendarValue +=( DIVC( (RTC_DateStruct->Month-1)*(30+31) ,2 ) - (((correction>> ((RTC_DateStruct->Month-1)*2) )&0x3)));
calendarValue += (RTC_DateStruct->Date -1);
/* convert from days to seconds */
calendarValue *= SECONDS_IN_1DAY;
calendarValue += ( ( uint32_t )RTC_TimeStruct->Seconds +
( ( uint32_t )RTC_TimeStruct->Minutes * SECONDS_IN_1MINUTE ) +
( ( uint32_t )RTC_TimeStruct->Hours * SECONDS_IN_1HOUR ) ) ;
calendarValue = (calendarValue<<N_PREDIV_S) + ( PREDIV_S - RTC_TimeStruct->SubSeconds);
return( calendarValue );
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/