Steins7
507f1e6863
RCC's BCDR register has been moved to the BKP module since it is part of the backup circuit and thus also aboeys some restrictions access-wise
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/** @file bkp.h
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* Module handling the Backup (BKP) domain functionalities.
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*
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*/
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#ifndef _BKP_H_
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#define _BKP_H_
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//--includes--------------------------------------------------------------------
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#include "stdint.h"
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//--type definitions------------------------------------------------------------
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enum BkpRtcClockSrc {
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BKP_RTC_CLOCK_SRC_LSE = 0x0,
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BKP_RTC_CLOCK_SRC_LSI = 0x1,
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BKP_RTC_CLOCK_SRC_HSE = 0x2,
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};
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enum BkpRtcIrq {
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BKP_RTC_IRQ_NONE = 0,
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BKP_RTC_IRQ_SECOND = 0x1 << 0,
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BKP_RTC_IRQ_ALARM = 0x1 << 1,
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BKP_RTC_IRQ_OVERFLOW = 0x1 << 2,
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};
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typedef void (*BkpRtcCallback)(enum BkpRtcIrq src);
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//--functions-------------------------------------------------------------------
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void bkp_configure_rtc(uint32_t period_ms, enum BkpRtcClockSrc clock_src,
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enum BkpRtcIrq irq_mask, uint32_t alarm_tick, BkpRtcCallback callback);
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uint32_t bkp_read_rtc(void);
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void bkp_reset(void);
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//unimplemented functions
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void bkp_configure_tamper();
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void bkp_calibrate_lsi(void);
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void bkp_configure_lse(bool enable);
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#endif //_BKP_H_
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