Steins7
3e3d4d2bff
FUnctions need a cleanup and some details need be ironned, like the clock management since the whole backup domain must be reset to configure them
44 lines
860 B
C
44 lines
860 B
C
/** @file rtc.h
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* Module handling the Real-Time Clock (RTC).
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*
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*/
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#ifndef _RTC_H_
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#define _RTC_H_
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//--includes--------------------------------------------------------------------
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#include "stdint.h"
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//--type definitions------------------------------------------------------------
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enum RtcClockSrc {
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RTC_CLOCK_SRC_LSE = 0x0,
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RTC_CLOCK_SRC_LSI = 0x1,
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RTC_CLOCK_SRC_HSE = 0x2,
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};
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enum RtcIrq {
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RTC_IRQ_NONE = 0,
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RTC_IRQ_SECOND = 0x1 << 0,
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RTC_IRQ_ALARM = 0x1 << 1,
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RTC_IRQ_OVERFLOW = 0x1 << 2,
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};
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typedef void (*RtcCallback)(enum RtcIrq src);
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//--functions-------------------------------------------------------------------
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void rtc_configure(uint32_t period_ms, enum RtcClockSrc clock_src,
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enum RtcIrq irq_mask, uint32_t alarm_tick, RtcCallback callback);
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void rtc_reset(void);
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uint32_t stk_read_s(void);
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#endif //_RTC_H_
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