113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
#include "file.h"
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#include "filedata.h"
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#include "rtc_ext.h"
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//include/linux/time.h
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//内核中的mktime()函数位于kernel/time.c内
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uint8_t rtc_getRTC(RTC_TimeDateTypeDef* para)
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{
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uint8_t Result = 1;
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st_rtc_ext TempTime1;
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read_rtc_time(&TempTime1);//读一次时间
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Result = 0;
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para->Year = TempTime1.year;
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para->Month = TempTime1.month;
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para->Date = TempTime1.day;
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para->Hour = TempTime1.hour;
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para->Minute = TempTime1.min;
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para->Second = TempTime1.sec;
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para->Week = TempTime1.week;
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return Result;
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}
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unsigned long mktime (unsigned int year, unsigned int mon,
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unsigned int day, unsigned int hour,
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unsigned int min, unsigned int sec)
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{
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if (0 >= (int) (mon -= 2)) { /* 1..12 -> 11,12,1..10 */
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mon += 12; /* Puts Feb last since it has leap day */
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year -= 1;
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}
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return (((
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(unsigned long) (year/4 - year/100 + year/400 + 367*mon/12 + day) +
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year*365 - 719499
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)*24 + hour /* now have hours */
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)*60 + min /* now have minutes */
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)*60 + sec; /* finally seconds */
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}
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uint8_t bcd_to_dec(uint8_t val)
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{
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return ((((val)>>4)*10) + ((val)&0x0F));
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}
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uint8_t get_space_day(uint32_t oldtime,uint32_t newtime)
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{
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uint8_t day = 0;
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if(newtime>oldtime)
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{
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day = (newtime - oldtime)/(3600*24);
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}
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return day;
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}
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uint32_t get_curtime(uint8_t *curyear,uint8_t *curmon,uint8_t *curday)
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{
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RTC_TimeDateTypeDef rtctime;
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uint32_t time = 0;
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uint32_t year = 0;
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uint8_t mon = 0;
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uint8_t day = 0;
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rtc_getRTC(&rtctime);
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year = bcd_to_dec(rtctime.Year);
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mon = bcd_to_dec(rtctime.Month);
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day = bcd_to_dec(rtctime.Date);
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year = year + DEC_YEAR;
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time = mktime(year,mon,day,0,0,0);
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*curyear = year;
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*curmon = mon;
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*curday = day;
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#ifdef DEBUG_FILEI2C
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HT_PRINT("time = %d year = %d mon = %d day = %d\r\n",time,year,mon,day);
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#endif
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return time;
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}
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void get_complete_curtime(uint32_t *curyear,uint8_t *curmon,uint8_t *curday,uint8_t *curhour,uint8_t *curmin)
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{
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RTC_TimeDateTypeDef rtctime;
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uint32_t year = 0;
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uint8_t mon = 0;
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uint8_t day = 0;
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uint8_t hour = 0;
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uint8_t min = 0;
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rtc_getRTC(&rtctime);
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year = bcd_to_dec(rtctime.Year);
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mon = bcd_to_dec(rtctime.Month);
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day = bcd_to_dec(rtctime.Date);
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hour = bcd_to_dec(rtctime.Hour);
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min = bcd_to_dec(rtctime.Minute);
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year = year + DEC_YEAR;
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*curyear = year;
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*curmon = mon;
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*curday = day;
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*curhour = hour;
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*curmin = min;
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}
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