The time stamp and date time are converted into C language and the date C Language

The time stamp and date time are converted into C language and the date C Language
/** Ctime. h ** Created on: May 19,201 6 * Author: root */# ifndef CTIME_H _ # define CTIME_H _ # include "common/micro_type.h" # define OFFSET_SECOND 946684800/* 1970/1/1/0/0/0/2000/1/1/0/0/0/bytes ������ * // # define OFFSET_SECOND 0/* �� 2000/1/1/0/0/0 �� 2000/1/1/0/0/0 �� �� */# define SECOND_OF_DAY 86400/* 1 �� */typedef struct date_time {uint16 iYear; uint16 iMon; uint16 iDay; uint16 iHour; uint16 iMin; uint16 iSec; uint16 iMsec;} DATE_TIME; void GetDateTimeFromSecond (unsigned long lSec, DATE_TIME * tTime ); # endif/* CTIME_H _*/

/** Ctime. c ** Created on: May 19,201 6 * Author: root */# include "common/micro_type.h" # include "ctime. h "uint8 DayOfMon [12] = {31,28, 31,30, 31,30, 31,31, 30,31, 30,31 }; /* ���� 1970/1/1/0/0/0/��ʱ */unsigned long GetSecondTime (DATE_TIME * date_time) {uint16 iYear, iMon, iDay, iHour, iMin, iSec; iYear = date_time-> iYear; iMon = date_time-> iMon; iDay = date_time-> iDay; iHour = date_time-> iHour; iMin = Date_time-> iMin; iSec = date_time-> iSec; uint16 I, Cyear = 0; unsigned long CountDay = 0; for (I = 1970; I <iYear; I ++) /* When 1970 then �������� then ���� */{if (I % 4 = 0) & (I % 100! = 0) | (I % 400 = 0) Cyear ++;} CountDay = Cyear * 366 + (iYear-1970-Cyear) * 365; for (I = 1; I <iMon; I ++) {if (I = 2) & (iYear % 4 = 0) & (iYear % 100! = 0) | (iYear % 400 = 0) CountDay + = 29; else CountDay + = DayOfMon [I-1];} CountDay + = (iDay-1 ); countDay = CountDay * SECOND_OF_DAY + (unsigned long) iHour * 3600 + (unsigned long) iMin * 60 + iSec; return CountDay ;} /* ������������ 1970/1/1/0/0/0 ���� */void GetDateTimeFromSecond (unsigned long lSec, DATE_TIME * tTime) {uint16 I, j, iDay; unsigned long lDay; lDay = lSec/SECOND_OF_DAY;/* Second second = LSec % SECOND_OF_DAY; I = 1970; while (lDay> 365) {if (I % 4 = 0) & (I % 100! = 0) | (I % 400 = 0)/* �� */lDay-= 366; else lDay-= 365; I ++ ;} if (lDay = 365 )&&! (I % 4 = 0) & (I % 100! = 0) | (I % 400 = 0)/* Other �� */{lDay-= 365; I ++ ;} tTime-> iYear = I;/* �� */for (j = 0; j <12; j ++) /* ���� · ��/{if (j = 1) & (I % 4 = 0) & (I % 100! = 0) | (I % 400 = 0) iDay = 29; else iDay = DayOfMon [j]; if (lDay> = iDay) lDay-= iDay; else break;} tTime-> iMon = j + 1; tTime-> iDay = lDay + 1; tTime-> iHour = (lSec/3600) + 8) % 24; // note that the time difference between the world time and Beijing time is 8, tTime-> iMin = (lSec % 3600)/60; tTime-> iSec = (lSec % 3600) % 60 ;}