RTC

rtc functions More...

Data Structures
struct	alarm_s

Variables
uint32_t	yday
uint32_t	hour
uint32_t	min
uint32_t	sec

AmebaZ Only
typedef void(*	alarm_irq_handler) (void)
typedef struct alarm_s	alarm_t
u32	rtc_set_alarm (alarm_t *alrm, alarm_irq_handler alarmHandler)
	Set the specified RTC Alarm and interrupt. More...
void	rtc_disable_alarm (void)
	Disable RTC Alarm and function. More...

Ameba Common
void	rtc_init (void)
	Initializes the RTC device, include clock, RTC registers and function. More...
void	rtc_free (void)
	Deinitializes the RTC device. More...
int	rtc_isenabled (void)
	This function tells whether RTC is enabled or not. More...
time_t	rtc_read (void)
	Get current timestamp in seconds from RTC. More...
void	rtc_write (time_t t)
	Set the specified timestamp in seconds to RTC. More...

Detailed Description

rtc functions

Function Documentation

void rtc_disable_alarm

(

void

)

Disable RTC Alarm and function.

Parameters

none

Return values

none

void rtc_free

(

void

)

Deinitializes the RTC device.

Parameters

none

Return values

none

void rtc_init

(

void

)

Initializes the RTC device, include clock, RTC registers and function.

Parameters

none

Return values

none

int rtc_isenabled

(

void

)

This function tells whether RTC is enabled or not.

Parameters

none

Return values

1	RTC is enable.
0	RTC is disable.

time_t rtc_read

(

void

)

Get current timestamp in seconds from RTC.

Parameters

none

Return values

The current timestamp in seconds which is calculated from 1970.1.1 00:00:00.

u32 rtc_set_alarm	(	alarm_t *	alrm,
		alarm_irq_handler	alarmHandler
	)

Set the specified RTC Alarm and interrupt.

Parameters

alarm	alarm object define in application software.
alarmHandler	alarm interrupt callback function.

Return values

status

1: success Others: failure

void rtc_write

(

time_t

t

)

Set the specified timestamp in seconds to RTC.

Parameters

t	Seconds from 1970.1.1 00:00:00 to specified data and time which is to be set.

Return values

none