rtc.c File Reference

AVR XMEGA Real Time Counter driver.

Copyright (c) 2010-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <sysclk.h>
#include <sleepmgr.h>
#include <rtc.h>

Data Structures
struct	rtc_data_struct
	Driver private struct. More...

Macros
#define	RTC_COMPARE_INT_LEVEL   RTC_COMPINTLVL_LO_gc
#define	RTC_OVERFLOW_INT_LEVEL   RTC_OVFINTLVL_LO_gc

Functions
	ISR (RTC_OVF_vect)
	Overflow interrupt handling high counter. More...
	ISR (RTC_COMP_vect)
	Compare interrupt used for alarm. More...
__always_inline bool	rtc_alarm_has_triggered (void)
	Check if pending alarm have triggered. More...
uint32_t	rtc_get_time (void)
	Get current time. More...
void	rtc_init (void)
	Initialize the RTC. More...
__always_inline bool	rtc_is_busy (void)
	Check if RTC is busy synchronizing. More...
void	rtc_set_alarm (uint32_t time)
	Set alarm time. More...
void	rtc_set_callback (rtc_callback_t callback)
	Set callback to call on alarm. More...
void	rtc_set_time (uint32_t time)
	Set current time. More...

Variables
struct rtc_data_struct	rtc_data
	Driver private data. More...

#define RTC_COMPARE_INT_LEVEL   RTC_COMPINTLVL_LO_gc

Referenced by rtc_set_alarm().

#define RTC_OVERFLOW_INT_LEVEL   RTC_OVFINTLVL_LO_gc

Referenced by ISR(), rtc_init(), and rtc_set_alarm().

ISR

(

RTC_OVF_vect

)

Overflow interrupt handling high counter.

References rtc_data_struct::counter_high, and rtc_data.

ISR

(

RTC_COMP_vect

)

Compare interrupt used for alarm.

References alarm(), rtc_data_struct::alarm_high, rtc_data_struct::alarm_low, rtc_data_struct::callback, rtc_data_struct::counter_high, rtc_data, and RTC_OVERFLOW_INT_LEVEL.

__always_inline bool rtc_is_busy

(

void

)

Check if RTC is busy synchronizing.

Referenced by rtc_get_time(), rtc_set_alarm(), and rtc_set_time().

struct rtc_data_struct rtc_data

Driver private data.