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Rev | Author | Line No. | Line |
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7172 | siemargl | 1 | #include |
2 | #include |
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3 | |||
4 | struct tm __buffertime; |
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5 | |||
6 | |||
7 | |||
8 | struct tm * localtime (const time_t * timer) |
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9 | /* non-standard! ignore parameter and return just time now */ |
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10 | { |
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11 | int kos_date, kos_time; |
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7888 | rgimad | 12 | kos_date = _ksys_get_date(); |
13 | kos_time = _ksys_get_system_clock(); |
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14 | |||
15 | int bcd_day = (kos_date >> 16); |
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16 | int bcd_mon = ((kos_date & 0xFF00) >> 8); |
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17 | int bcd_year = (kos_date & 0xFF); |
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18 | __buffertime.tm_mday = ((bcd_day & 0xF0)>>4)*10 + (bcd_day & 0x0F); |
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19 | __buffertime.tm_mon = ((bcd_mon & 0xF0)>>4)*10 + (bcd_mon & 0x0F) - 1; |
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20 | __buffertime.tm_year = ((bcd_year & 0xF0)>>4)*10 + (bcd_year & 0x0F) + 100; |
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21 | |||
22 | __buffertime.tm_wday = __buffertime.tm_yday = __buffertime.tm_isdst = -1; /* temporary */ |
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23 | |||
24 | int bcd_sec = (kos_time >> 16); |
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25 | int bcd_min = ((kos_time & 0xFF00) >> 8); |
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26 | int bcd_hour = (kos_time & 0xFF); |
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7172 | siemargl | 27 | |
7888 | rgimad | 28 | __buffertime.tm_sec = ((bcd_sec & 0xF0)>>4)*10 + (bcd_sec & 0x0F); |
29 | __buffertime.tm_min = ((bcd_min & 0xF0)>>4)*10 + (bcd_min & 0x0F); |
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30 | __buffertime.tm_hour = ((bcd_hour & 0xF0)>>4)*10 + (bcd_hour & 0x0F); |
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31 | |||
7172 | siemargl | 32 | return &__buffertime; |
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 | |||
39 | if (timer) *timer = t; |
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40 | |||
41 | return t; |
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42 | } |
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43 | |||
44 | time_t mktime (struct tm * timeptr) |
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45 | { |
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7888 | rgimad | 46 | /*int y, m, d; |
7172 | siemargl | 47 | time_t t; |
48 | y = timeptr->tm_year + 1900; |
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49 | m = timeptr->tm_mon + 1; |
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7888 | rgimad | 50 | d = timeptr->tm_mday; // to -1 or not to -1? |
7172 | siemargl | 51 | |
52 | if (m < 3) { m += 12; y -= 1; } |
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53 | |||
7888 | rgimad | 54 | t = y * 365 + y / 4 + y /400 - y / 100; // years - > days |
55 | t += 30 * m + 3 * (m + 1) / 5 + d; // add month days |
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7172 | siemargl | 56 | |
7888 | rgimad | 57 | t -= 719561; // 01 jan 1970 |
7172 | siemargl | 58 | t *= 86400; |
59 | |||
60 | t += 3600 * timeptr->tm_hour + 60 * timeptr->tm_min + timeptr->tm_sec; |
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61 | |||
7888 | rgimad | 62 | return t;*/ |
63 | |||
64 | int utcdiff = -3; |
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65 | const int mon_days [] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; |
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66 | unsigned long int tyears, tdays, leaps, utc_hrs; |
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67 | int i; |
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68 | |||
69 | tyears = timeptr->tm_year - 70 ;// tm->tm_year is from 1900. |
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70 | leaps = (tyears + 2) / 4; // no of next two lines until year 2100. |
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71 | i = (timeptr->tm_year - 100) / 100; |
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72 | leaps -= ( (i/4)*3 + i%4 ); |
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73 | tdays = 0; |
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74 | for (i=0; i < timeptr->tm_mon; i++) tdays += mon_days[i]; |
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75 | |||
76 | tdays += timeptr->tm_mday-1; // days of month passed. |
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77 | tdays = tdays + (tyears * 365) + leaps; |
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78 | |||
79 | utc_hrs = timeptr->tm_hour + utcdiff; // for your time zone. |
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80 | return (tdays * 86400) + (utc_hrs * 3600) + (timeptr->tm_min * 60) + timeptr->tm_sec; |
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7172 | siemargl | 81 | } |
82 | |||
83 | double difftime (time_t end, time_t beginning) |
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84 | { |
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85 | return end - beginning; |
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86 | }>> |