74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
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#ifndef _RTC_H_
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#define _RTC_H_
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#include "ARMCM0.h"
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#define RTC_CLK 32768UL //<2F><><EFBFBD><EFBFBD>ֵ
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#define ALARM_0 0
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#define ALARM_1 1
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typedef enum {
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RTC_TICK_PRESCALER_1 = RTC_CLK/32768,
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RTC_TICK_PRESCALER_2 = RTC_CLK/16384,
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RTC_TICK_PRESCALER_4 = RTC_CLK/8192,
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RTC_TICK_PRESCALER_8 = RTC_CLK/4096,
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RTC_TICK_PRESCALER_16 = RTC_CLK/2048,
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RTC_TICK_PRESCALER_32 = RTC_CLK/1024,
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RTC_TICK_PRESCALER_64 = RTC_CLK/512,
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RTC_TICK_PRESCALER_128 = RTC_CLK/256,
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RTC_TICK_PRESCALER_256 = RTC_CLK/128,
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RTC_TICK_PRESCALER_512 = RTC_CLK/64,
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RTC_TICK_PRESCALER_1024 = RTC_CLK/32,
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RTC_TICK_PRESCALER_2048 = RTC_CLK/16,
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RTC_TICK_PRESCALER_4096 = RTC_CLK/8,
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RTC_TICK_PRESCALER_8192 = RTC_CLK/4,
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RTC_TICK_PRESCALER_16384 = RTC_CLK/2,
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RTC_TICK_PRESCALER_32768 = RTC_CLK/1
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} RTC_TICK_PRESCALER;
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typedef enum {
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RTC_INT_ALARM0 = 0x01,
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RTC_INT_ALARM1 = 0x02,
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RTC_INT_TICK = 0x04,
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RTC_INT_SECOND = 0x08,
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RTC_INT_ALL = 0x0F
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} RTC_INT_TYPE;
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typedef void (* RTC_IRQ_CALLBACK) (RTC_INT_TYPE type);
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extern RTC_IRQ_CALLBACK irq_cb;
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#pragma pack(push, 1)
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typedef union {
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struct {
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uint8_t second;
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uint8_t minute;
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uint8_t hour;
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uint8_t week;
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} decimal_format;
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uint8_t u8[4];
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uint32_t u32;
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} RTC_TIME_TYPE;
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#pragma pack(pop)
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void rtc_int_clear(RTC_INT_TYPE type);
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void rtc_int_enable(RTC_INT_TYPE type);
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void rtc_int_disable(RTC_INT_TYPE type);
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void rtc_start(void);
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void rtc_stop(void);
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bool rtc_status(void);
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void rtc_clear(void);
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void rtc_set_prescaler(uint32_t tick, uint8_t adjust_seconds_bit);
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RTC_TIME_TYPE rtc_get_alarm(int id);
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void rtc_set_alarm(int id, RTC_TIME_TYPE *time);
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void rtc_delete_alarm(int id);
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void rtc_set_calendar(RTC_TIME_TYPE *time);
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RTC_TIME_TYPE rtc_get_calendar(void);
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void rtc_init(uint32_t tick, uint8_t adjust_seconds_bit, RTC_IRQ_CALLBACK call_back);
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#endif //_RTC_H_
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