#include "file.h"
#include "filedata.h"
#include "rtc_ext.h"

//include/linux/time.h
//内核中的mktime()函数位于kernel/time.c内


uint8_t rtc_getRTC(RTC_TimeDateTypeDef* para)
{
	uint8_t Result = 1;
        

	st_rtc_ext TempTime1;
	
	read_rtc_time(&TempTime1);//读一次时间
		
	Result = 0;
                        para->Year = TempTime1.year;
                        para->Month = TempTime1.month;
                        para->Date = TempTime1.day;
                        para->Hour = TempTime1.hour;
                        para->Minute = TempTime1.min;
                        para->Second = TempTime1.sec;
                        para->Week = TempTime1.week;
	return Result;
}

unsigned long mktime (unsigned int year, unsigned int mon,
					  unsigned int day, unsigned int hour,
					  unsigned int min, unsigned int sec)
{
	if (0 >= (int) (mon -= 2)) {    /* 1..12 -> 11,12,1..10 */
		mon += 12;      /* Puts Feb last since it has leap day */
		year -= 1;
	}

	return (((
		(unsigned long) (year/4 - year/100 + year/400 + 367*mon/12 + day) +
		year*365 - 719499
		)*24 + hour /* now have hours */
		)*60 + min /* now have minutes */
		)*60 + sec; /* finally seconds */
}

uint8_t bcd_to_dec(uint8_t val)
{
	return ((((val)>>4)*10) + ((val)&0x0F));
}

uint8_t get_space_day(uint32_t oldtime,uint32_t newtime)
{
	uint8_t day = 0;
	if(newtime>oldtime)
	{
		day = (newtime - oldtime)/(3600*24);
	}
	return day;
}

uint32_t get_curtime(uint8_t *curyear,uint8_t *curmon,uint8_t *curday)
{
	RTC_TimeDateTypeDef rtctime;
	uint32_t time = 0;
	uint32_t year = 0;
	uint8_t mon = 0;
	uint8_t day = 0;
	rtc_getRTC(&rtctime);

	year = bcd_to_dec(rtctime.Year);
	mon = bcd_to_dec(rtctime.Month);
	day = bcd_to_dec(rtctime.Date);

	year = year + DEC_YEAR;
	time = mktime(year,mon,day,0,0,0);

	*curyear = year;
	*curmon = mon;
	*curday = day;

#ifdef  DEBUG_FILEI2C
	HT_PRINT("time = %d year = %d mon = %d day = %d\r\n",time,year,mon,day);
#endif
	return time;
}


void get_complete_curtime(uint32_t *curyear,uint8_t *curmon,uint8_t *curday,uint8_t *curhour,uint8_t *curmin)
{
	RTC_TimeDateTypeDef rtctime;
	uint32_t year = 0;
	uint8_t mon = 0;
	uint8_t day = 0;
	uint8_t hour = 0;
	uint8_t min = 0;
	rtc_getRTC(&rtctime);

	year = bcd_to_dec(rtctime.Year);
	mon = bcd_to_dec(rtctime.Month);
	day = bcd_to_dec(rtctime.Date);
	hour = bcd_to_dec(rtctime.Hour);
	min = bcd_to_dec(rtctime.Minute);

	year = year + DEC_YEAR;

	*curyear = year;
	*curmon = mon;
	*curday = day;
	*curhour = hour;
	*curmin = min;
}