/** @file rtc.h
 * Module handling the Real-Time Clock (RTC).
 *
 */

#ifndef _RTC_H_
#define _RTC_H_

//--includes--------------------------------------------------------------------

#include "stdint.h"


//--type definitions------------------------------------------------------------

enum RtcClockSrc {
	RTC_CLOCK_SRC_LSE  = 0x0,
	RTC_CLOCK_SRC_LSI  = 0x1,
	RTC_CLOCK_SRC_HSE  = 0x2,
};

enum RtcIrq {
	RTC_IRQ_NONE     = 0,
	RTC_IRQ_SECOND   = 0x1 << 0,
	RTC_IRQ_ALARM    = 0x1 << 1,
	RTC_IRQ_OVERFLOW = 0x1 << 2,
};

typedef void (*RtcCallback)(enum RtcIrq src);


//--functions-------------------------------------------------------------------

void rtc_configure(uint32_t period_ms, enum RtcClockSrc clock_src,
		enum RtcIrq irq_mask, uint32_t alarm_tick, RtcCallback callback);

void rtc_reset(void);

uint32_t stk_read_s(void);


#endif //_RTC_H_