kernel/time.c

   1 /*
   2         time.c
   3         C standard Library
   4         (C) 2015 VOSystems.
   5 */
   6
   7 #include<time.h>
   8
   9 struct tm ttime;
  10
  11 time_t time(time_t* timer)
  12 {
  13         if(timer!=NULL)
  14         {
  15                 return *timer;
  16         }
  17         time_t ntime;
  18         unsigned char gtime[7];
  19         GetTimeFromRTC(gtime);
  20         int time[7];
  21         int i;
  22         for(i=0;i<7;i++){
  23                 time[i]=hex2dec_bcd(gtime[i]);
  24         }
  25         int year=1970-time[6]*100+time[5];
  26
  27         ntime+=time[0];//sec
  28         ntime+=time[1]*60;//min
  29         ntime+=time[2]*60*60;//hour
  30         ntime+=time[3]*60*60*24;//day
  31         ntime+=time[4]*60*60*24*30;//mon
  32         ntime+=year*60*60*24*30*12;//year from 2010
  33         return ntime;
  34 }
  35
  36 struct tm* localtime(time_t* timer)
  37 {
  38
  39         ttime.tm_year=DivideU64_2(*timer,(60*60*24*30*12));//year from 1970
  40         timer-=ttime.tm_year*(60*60*24*30*12);
  41
  42         ttime.tm_mon=DivideU64_2(*timer,(60*60*24*30));//mon
  43         timer-=ttime.tm_mon*(60*60*24*30);
  44
  45         ttime.tm_mday=DivideU64_2(*timer,(60*60*24));//day
  46         timer-=ttime.tm_mday*(60*60*24);
  47
  48         ttime.tm_hour=DivideU64_2(*timer,(60*60));//hour
  49         timer-=ttime.tm_hour*(60*60);
  50
  51         ttime.tm_min=DivideU64_2(*timer,60);//min
  52         timer-=ttime.tm_min*(60);
  53
  54         ttime.tm_sec=*timer;//sec
  55         /*
  56         ttime.tm_year=*timer/(60*60*24*30*12);//year from 1970
  57         timer-=ttime.tm_year*(60*60*24*30*12);
  58
  59         ttime.tm_mon=*timer/(60*60*24*30);//mon
  60         timer-=ttime.tm_mon*(60*60*24*30);
  61
  62         ttime.tm_mday=*timer/(60*60*24);//day
  63         timer-=ttime.tm_mday*(60*60*24);
  64
  65         ttime.tm_hour=*timer/(60*60);//hour
  66         timer-=ttime.tm_hour*(60*60);
  67
  68         ttime.tm_min=*timer/60;//min
  69         timer-=ttime.tm_min*(60);
  70
  71         ttime.tm_sec=*timer;//sec*/
  72         return &ttime;
  73 }