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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 7880 | rgimad | 1 | #include "time.h" |
| 2 | #include "kolibrisys.h" |
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| 3 | |||
| 4 | struct tm __buffertime; |
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| 5 | |||
| 6 | struct tm * localtime (const time_t * timer) |
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| 7 | /* non-standard! ignore parameter and return just time now */ |
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| 8 | { |
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| 9 | int kos_date, kos_time; |
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| 10 | kos_date = _ksys_get_date(); |
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| 11 | kos_time = _ksys_get_system_clock(); |
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| 12 | |||
| 13 | int bcd_day = (kos_date >> 16); |
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| 14 | int bcd_mon = ((kos_date & 0xFF00) >> 8); |
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| 15 | int bcd_year = (kos_date & 0xFF); |
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| 16 | __buffertime.tm_mday = ((bcd_day & 0xF0)>>4)*10 + (bcd_day & 0x0F); |
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| 17 | __buffertime.tm_mon = ((bcd_mon & 0xF0)>>4)*10 + (bcd_mon & 0x0F) - 1; |
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| 18 | __buffertime.tm_year = ((bcd_year & 0xF0)>>4)*10 + (bcd_year & 0x0F) + 100; |
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| 19 | //printf("%d %d %d\n", __buffertime.tm_mday, __buffertime.tm_mon, __buffertime.tm_year); |
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| 20 | |||
| 21 | __buffertime.tm_wday = __buffertime.tm_yday = __buffertime.tm_isdst = -1; /* temporary */ |
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| 22 | |||
| 23 | int bcd_sec = (kos_time >> 16); |
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| 24 | int bcd_min = ((kos_time & 0xFF00) >> 8); |
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| 25 | int bcd_hour = (kos_time & 0xFF); |
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| 26 | |||
| 27 | __buffertime.tm_sec = ((bcd_sec & 0xF0)>>4)*10 + (bcd_sec & 0x0F); |
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| 28 | __buffertime.tm_min = ((bcd_min & 0xF0)>>4)*10 + (bcd_min & 0x0F); |
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| 29 | __buffertime.tm_hour = ((bcd_hour & 0xF0)>>4)*10 + (bcd_hour & 0x0F); |
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| 30 | //printf("%d %d %d\n", __buffertime.tm_sec, __buffertime.tm_min, __buffertime.tm_hour); |
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| 31 | |||
| 32 | return &__buffertime; |
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| 33 | } |
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| 34 | |||
| 35 | time_t time (time_t* timer) |
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| 36 | { |
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| 37 | time_t t = mktime(localtime(0)); |
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| 38 | if (timer) *timer = t; |
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| 39 | return t; |
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| 40 | } |
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| 41 | |||
| 42 | time_t mktime (struct tm * timeptr) |
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| 43 | { |
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| 44 | /*int y, m, d; |
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| 45 | time_t t; |
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| 46 | y = timeptr->tm_year + 1900; |
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| 47 | m = timeptr->tm_mon + 1; |
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| 48 | d = timeptr->tm_mday; // to -1 or not to -1? |
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| 49 | |||
| 50 | if (m < 3) { m += 12; y -= 1; } |
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| 51 | |||
| 52 | t = y * 365 + y / 4 + y /400 - y / 100; // years - > days |
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| 53 | t += 30 * m + 3 * (m + 1) / 5 + d; // add month days |
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| 54 | |||
| 55 | t -= 719561; // 01 jan 1970 |
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| 56 | t *= 86400; |
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| 57 | |||
| 58 | t += 3600 * timeptr->tm_hour + 60 * timeptr->tm_min + timeptr->tm_sec; |
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| 59 | |||
| 60 | return t;*/ |
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| 61 | |||
| 62 | int utcdiff = -3; |
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| 63 | const int mon_days [] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; |
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| 64 | unsigned long int tyears, tdays, leaps, utc_hrs; |
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| 65 | int i; |
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| 66 | |||
| 67 | tyears = timeptr->tm_year - 70 ;// tm->tm_year is from 1900. |
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| 68 | leaps = (tyears + 2) / 4; // no of next two lines until year 2100. |
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| 69 | i = (timeptr->tm_year - 100) / 100; |
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| 70 | leaps -= ( (i/4)*3 + i%4 ); |
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| 71 | tdays = 0; |
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| 72 | for (i=0; i < timeptr->tm_mon; i++) tdays += mon_days[i]; |
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| 73 | |||
| 74 | tdays += timeptr->tm_mday-1; // days of month passed. |
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| 75 | tdays = tdays + (tyears * 365) + leaps; |
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| 76 | |||
| 77 | utc_hrs = timeptr->tm_hour + utcdiff; // for your time zone. |
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| 78 | return (tdays * 86400) + (utc_hrs * 3600) + (timeptr->tm_min * 60) + timeptr->tm_sec; |
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| 79 | } |
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| 80 | |||
| 81 | double difftime (time_t end, time_t beginning) |
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| 82 | { |
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| 83 | return end - beginning; |
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| 84 | } |
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| 85 |