RTC Private Functions

Functions
static uint32_t	RTC_ReadTimeCounter (RTC_HandleTypeDef *hrtc)
	Read the time counter available in RTC_CNT registers.
static HAL_StatusTypeDef	RTC_WriteTimeCounter (RTC_HandleTypeDef *hrtc, uint32_t TimeCounter)
	Write the time counter in RTC_CNT registers.
static uint32_t	RTC_ReadAlarmCounter (RTC_HandleTypeDef *hrtc)
	Read the time counter available in RTC_ALR registers.
static HAL_StatusTypeDef	RTC_WriteAlarmCounter (RTC_HandleTypeDef *hrtc, uint32_t AlarmCounter)
	Write the time counter in RTC_ALR registers.
static HAL_StatusTypeDef	RTC_EnterInitMode (RTC_HandleTypeDef *hrtc)
	Enters the RTC Initialization mode.
static HAL_StatusTypeDef	RTC_ExitInitMode (RTC_HandleTypeDef *hrtc)
	Exit the RTC Initialization mode.
static uint8_t	RTC_ByteToBcd2 (uint8_t Value)
	Converts a 2 digit decimal to BCD format.
static uint8_t	RTC_Bcd2ToByte (uint8_t Value)
	Converts from 2 digit BCD to Binary.
static uint8_t	RTC_IsLeapYear (uint16_t nYear)
	Check whether the passed year is Leap or not.
static void	RTC_DateUpdate (RTC_HandleTypeDef *hrtc, uint32_t DayElapsed)
	Updates date when time is 23:59:59.
static uint8_t	RTC_WeekDayNum (uint32_t nYear, uint8_t nMonth, uint8_t nDay)
	Determines the week number, the day number and the week day number.

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Function Documentation

static uint8_t RTC_Bcd2ToByte

(

uint8_t

Value

)

[static]

Converts from 2 digit BCD to Binary.

Parameters:

Value,:

BCD value to be converted

Return values:

Converted

word

Definition at line 1770 of file stm32f1xx_hal_rtc.c.

Referenced by HAL_RTC_SetAlarm(), HAL_RTC_SetAlarm_IT(), HAL_RTC_SetDate(), and HAL_RTC_SetTime().

static uint8_t RTC_ByteToBcd2

(

uint8_t

Value

)

[static]

Converts a 2 digit decimal to BCD format.

Parameters:

Value,:

Byte to be converted

Return values:

Converted

byte

Definition at line 1752 of file stm32f1xx_hal_rtc.c.

Referenced by HAL_RTC_GetAlarm(), HAL_RTC_GetDate(), and HAL_RTC_GetTime().

static void RTC_DateUpdate	(	RTC_HandleTypeDef *	hrtc,
		uint32_t	DayElapsed
	)		[static]

Updates date when time is 23:59:59.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.
DayElapsed,:	Number of days elapsed from last date update

Return values:

None

Definition at line 1784 of file stm32f1xx_hal_rtc.c.

References RTC_DateTypeDef::Date, __RTC_HandleTypeDef::DateToUpdate, RTC_DateTypeDef::Month, RTC_IsLeapYear(), RTC_WeekDayNum(), RTC_DateTypeDef::WeekDay, and RTC_DateTypeDef::Year.

Referenced by HAL_RTC_GetTime().

static HAL_StatusTypeDef RTC_EnterInitMode

(

RTC_HandleTypeDef *

hrtc

)

[static]

Enters the RTC Initialization mode.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.

Return values:

HAL

status

Definition at line 1700 of file stm32f1xx_hal_rtc.c.

References __HAL_RTC_WRITEPROTECTION_DISABLE, HAL_GetTick(), __RTC_HandleTypeDef::Instance, and RTC_TIMEOUT_VALUE.

Referenced by HAL_RTC_DeactivateAlarm(), HAL_RTC_DeInit(), HAL_RTC_Init(), RTC_WriteAlarmCounter(), and RTC_WriteTimeCounter().

static HAL_StatusTypeDef RTC_ExitInitMode

(

RTC_HandleTypeDef *

hrtc

)

[static]

Exit the RTC Initialization mode.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.

Return values:

HAL

status

Definition at line 1727 of file stm32f1xx_hal_rtc.c.

References __HAL_RTC_WRITEPROTECTION_ENABLE, HAL_GetTick(), __RTC_HandleTypeDef::Instance, and RTC_TIMEOUT_VALUE.

Referenced by HAL_RTC_DeactivateAlarm(), HAL_RTC_DeInit(), HAL_RTC_Init(), RTC_WriteAlarmCounter(), and RTC_WriteTimeCounter().

static uint8_t RTC_IsLeapYear

(

uint16_t

nYear

)

[static]

Check whether the passed year is Leap or not.

Parameters:

nYear

year to check

Return values:

1,:	leap year 0: not leap year

Definition at line 1879 of file stm32f1xx_hal_rtc.c.

Referenced by RTC_DateUpdate().

static uint32_t RTC_ReadAlarmCounter

(

RTC_HandleTypeDef *

hrtc

)

[static]

Read the time counter available in RTC_ALR registers.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.

Return values:

Time

counter

Definition at line 1651 of file stm32f1xx_hal_rtc.c.

References __RTC_HandleTypeDef::Instance.

Referenced by HAL_RTC_GetAlarm(), HAL_RTC_GetTime(), HAL_RTC_SetDate(), and HAL_RTC_SetTime().

static uint32_t RTC_ReadTimeCounter

(

RTC_HandleTypeDef *

hrtc

)

[static]

Read the time counter available in RTC_CNT registers.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.

Return values:

Time

counter

Definition at line 1587 of file stm32f1xx_hal_rtc.c.

References __RTC_HandleTypeDef::Instance.

Referenced by HAL_RTC_GetTime(), and HAL_RTC_SetDate().

static uint8_t RTC_WeekDayNum	(	uint32_t	nYear,
		uint8_t	nMonth,
		uint8_t	nDay
	)		[static]

Determines the week number, the day number and the week day number.

Parameters:

nYear	year to check
nMonth	Month to check
nDay	Day to check

Note:

Day is calculated with hypothesis that year > 2000

Return values:

Value

which can take one of the following parameters: RTC_WEEKDAY_MONDAY RTC_WEEKDAY_TUESDAY RTC_WEEKDAY_WEDNESDAY RTC_WEEKDAY_THURSDAY RTC_WEEKDAY_FRIDAY RTC_WEEKDAY_SATURDAY RTC_WEEKDAY_SUNDAY

Definition at line 1916 of file stm32f1xx_hal_rtc.c.

Referenced by HAL_RTC_SetDate(), and RTC_DateUpdate().

static HAL_StatusTypeDef RTC_WriteAlarmCounter	(	RTC_HandleTypeDef *	hrtc,
		uint32_t	AlarmCounter
	)		[static]

Write the time counter in RTC_ALR registers.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.
AlarmCounter,:	Counter to write in RTC_ALR registers

Return values:

HAL

status

Definition at line 1668 of file stm32f1xx_hal_rtc.c.

References __RTC_HandleTypeDef::Instance, RTC_EnterInitMode(), and RTC_ExitInitMode().

Referenced by HAL_RTC_GetTime(), HAL_RTC_SetAlarm(), HAL_RTC_SetAlarm_IT(), HAL_RTC_SetDate(), and HAL_RTC_SetTime().

static HAL_StatusTypeDef RTC_WriteTimeCounter	(	RTC_HandleTypeDef *	hrtc,
		uint32_t	TimeCounter
	)		[static]

Write the time counter in RTC_CNT registers.

Parameters:

hrtc	pointer to a RTC_HandleTypeDef structure that contains the configuration information for RTC.
TimeCounter,:	Counter to write in RTC_CNT registers

Return values:

HAL

status

Definition at line 1619 of file stm32f1xx_hal_rtc.c.

References __RTC_HandleTypeDef::Instance, RTC_EnterInitMode(), and RTC_ExitInitMode().

Referenced by HAL_RTC_GetTime(), HAL_RTC_SetDate(), and HAL_RTC_SetTime().