RTC_StopWatch

Defines
#define	MESSAGE1   " **** STOPWATCH ****"
#define	MESSAGE2   " LEFT | RIGHT "
#define	MESSAGE3   " START | GET "
#define	MESSAGE4   " Press and hold TAMPER "
#define	MESSAGE5   " to reset Backup registers"
Functions
static void	Display_Init (void)
	Display Init (LCD)
void	EXTI2_3_IRQHandler (void)
	This function handles External lines 3 to 2 interrupt request.
void	HardFault_Handler (void)
	This function handles Hard Fault exception.
int	main (void)
	Main program.
void	NMI_Handler (void)
	This function handles NMI exception.
void	PendSV_Handler (void)
	This function handles PendSVC exception.
static void	RTC_Config (void)
	Configure the RTC peripheral by selecting the clock source.
Table_TypeDef	RTC_Get_Time (uint32_t SecondFrac, RTC_TimeTypeDef *RTC_TimeStructure)
	load the current time and sub second on a table form.
void	RTC_IRQHandler (void)
	This function handles Tamper pin interrupt request.
static void	RTC_TamperConfig (void)
	RTC Tamper Configuration.
void	RTC_Time_Display (uint8_t Line, __IO uint16_t Colorx, Table_TypeDef timetable)
	Displays the current Time on the LCD.
void	RTC_Time_InitDisplay (void)
	Initialize the time displays on the LCD.
void	SVC_Handler (void)
	This function handles SVCall exception.
void	SysTick_Handler (void)
	This function handles SysTick Handler.
Variables
uint32_t	BackupIndex
uint32_t	BackupIndex = 0
uint32_t	BKPDataReg [5]
__IO uint8_t	Button_RTC
__IO uint8_t	Button_RTC = 0
__IO uint8_t	Button_State
__IO uint8_t	Button_State = 0
__IO uint32_t	CurrentTimeSec = 0
uint8_t	i = 0
__IO uint32_t	SecondFraction = 0
__IO uint8_t	StartEvent
__IO uint8_t	StartEvent = 0
__IO uint32_t	SubSecFrac = 0

---

Define Documentation

#define MESSAGE1   " **** STOPWATCH ****"

Definition at line 41 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by Display_Init().

#define MESSAGE2   " LEFT | RIGHT "

Definition at line 42 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by Display_Init().

#define MESSAGE3   " START | GET "

Definition at line 43 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by Display_Init().

#define MESSAGE4   " Press and hold TAMPER "

Definition at line 44 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main().

#define MESSAGE5   " to reset Backup registers"

Definition at line 45 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main().

---

Function Documentation

static void Display_Init

(

void

)

[static]

Display Init (LCD)

Parameters:

None

Return values:

None

Definition at line 371 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References MESSAGE1, MESSAGE2, and MESSAGE3.

Referenced by main().

void EXTI2_3_IRQHandler

(

void

)

This function handles External lines 3 to 2 interrupt request.

Parameters:

None

Return values:

None

Definition at line 136 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

References BackupIndex, Button_State, LEFT_ON, RIGHT_ON, and StartEvent.

void HardFault_Handler

(

void

)

This function handles Hard Fault exception.

Parameters:

None

Return values:

None

Definition at line 70 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

int main

(

void

)

Main program.

Parameters:

None

Return values:

None

< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f0xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f0xx.c file

Definition at line 71 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References BackupIndex, BKPDataReg, Button_RTC, Button_State, CurrentTimeSec, Display_Init(), i, LEFT_ON, MESSAGE4, MESSAGE5, RIGHT_ON, RTC_Config(), RTC_Get_Time(), RTC_TAMP, RTC_TamperConfig(), RTC_Time_Display(), RTC_Time_InitDisplay(), SecondFraction, StartEvent, and SubSecFrac.

void NMI_Handler

(

void

)

This function handles NMI exception.

Parameters:

None

Return values:

None

Definition at line 61 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

void PendSV_Handler

(

void

)

This function handles PendSVC exception.

Parameters:

None

Return values:

None

Definition at line 92 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

static void RTC_Config

(

void

)

[static]

Configure the RTC peripheral by selecting the clock source.

Parameters:

None

Return values:

None

Definition at line 321 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References RTC_InitStructure.

Referenced by main().

static Table_TypeDef RTC_Get_Time	(	uint32_t	Secondfraction,
		RTC_TimeTypeDef *	RTC_TimeStructure
	)

load the current time and sub second on a table form.

Returns the current time and sub second.

Parameters:

SecondFraction,:	the sub second fraction .
RTC_TimeStructure	: pointer to a RTC_TimeTypeDef structure that contains the current time values.

Return values:

table

: return current time and sub second in a table form

Parameters:

Secondfraction,:	the sub second fraction.
RTC_TimeStructure	: pointer to a RTC_TimeTypeDef structure that contains the current time values.

Return values:

table

: return current time and sub second in a table form

Definition at line 289 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References CurrentTimeSec, and Table_TypeDef::tab.

Referenced by main(), and RTC_TimeStampShow().

void RTC_IRQHandler

(

void

)

This function handles Tamper pin interrupt request.

This function handles RTC Auto wake-up interrupt request.

Parameters:

None

Return values:

None

Definition at line 160 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

References Button_RTC, and RTC_TAMP.

static void RTC_TamperConfig

(

void

)

[static]

RTC Tamper Configuration.

Parameters:

None

Return values:

None

Definition at line 248 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References EXTI_InitStructure, and NVIC_InitStructure.

Referenced by main().

void RTC_Time_Display	(	uint8_t	Line,
		__IO uint16_t	Colorx,
		Table_TypeDef	timetable
	)

Displays the current Time on the LCD.

Parameters:

Line,:	the Line where to display the Current time . This parameter can be one of the following values: Linex: where x can be 0..9
Color_x	: specifies the Background Color.
table	: the Current time and sub second.

Return values:

None

Definition at line 462 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References i, and Table_TypeDef::tab.

Referenced by main().

void RTC_Time_InitDisplay

(

void

)

Initialize the time displays on the LCD.

Parameters:

None.

Return values:

None

Definition at line 430 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

References i.

Referenced by main().

void SVC_Handler

(

void

)

This function handles SVCall exception.

Parameters:

None

Return values:

None

Definition at line 83 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

void SysTick_Handler

(

void

)

This function handles SysTick Handler.

Parameters:

None

Return values:

None

Definition at line 101 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/stm32f0xx_it.c.

---

Variable Documentation

uint32_t BackupIndex

Definition at line 49 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by EXTI2_3_IRQHandler(), and main().

uint32_t BackupIndex = 0

Definition at line 49 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by EXTI2_3_IRQHandler(), and main().

uint32_t BKPDataReg[5]

Initial value:

 { RTC_BKP_DR0, RTC_BKP_DR1, RTC_BKP_DR2, RTC_BKP_DR3, RTC_BKP_DR4
                          }

Definition at line 57 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main().

__IO uint8_t Button_RTC

Definition at line 53 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main(), and RTC_IRQHandler().

__IO uint8_t Button_RTC = 0

Definition at line 53 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main(), and RTC_IRQHandler().

__IO uint8_t Button_State

Definition at line 52 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

__IO uint8_t Button_State = 0

Definition at line 52 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by EXTI0_1_IRQHandler(), EXTI2_3_IRQHandler(), EXTI4_15_IRQHandler(), and main().

__IO uint32_t CurrentTimeSec = 0

Definition at line 59 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main(), and RTC_Get_Time().

uint8_t i = 0

Definition at line 54 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

__IO uint32_t SecondFraction = 0

Definition at line 48 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main().

__IO uint8_t StartEvent

Definition at line 51 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by EXTI2_3_IRQHandler(), and main().

__IO uint8_t StartEvent = 0

Definition at line 51 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by EXTI2_3_IRQHandler(), and main().

__IO uint32_t SubSecFrac = 0

Definition at line 50 of file STM32F0xx_StdPeriph_Examples/RTC/RTC_StopWatch/main.c.

Referenced by main().