81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
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#include <system.h>
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#include <time.h>
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const char* clock_months[] = {0,
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"January", "February", "March", "April", "May", "June",
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"July", "August", "September", "October", "November", "December"};
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const char* clock_weekdays[] = {0,
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"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
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byte clock_months_len[] = {
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0,
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31, // January
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28, // February
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31, // March
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30, // April
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31, // May
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30, // June
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31, // July
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31, // August
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30, // September
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31, // October
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30, // November
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31 // December
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};
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void _CLOCK_INC(TIME *tim)
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{
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// New minute
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if (++tim->seconds > 59) {
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tim->seconds = 0;
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// New hour
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if (++tim->minutes > 59) {
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tim->minutes = 0;
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tim->hours++;
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if (tim->hours == 12 && tim->am_pm == 1) { // 11:59pm -> 0:00am
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tim->hours = 0; tim->am_pm = 0;
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// New day
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tim->weekday = 1+(tim->weekday%7);
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// Leap years
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if ((tim->day==28) && (tim->month==2)) { tim->day++; return; }
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// New month
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if (++tim->day > clock_months_len[tim->month]) {
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tim->day = 1;
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// New year
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if (++tim->month>12) {
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tim->month = 1;
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// New century
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if (++tim->year > 99) { tim->year = 0; tim->century++;}
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}
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}
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}
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else if (tim->hours == 12 && tim->am_pm == 0) tim->am_pm = 1; // 11:59am -> 12:00pm
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else if (tim->hours == 13 && tim->am_pm == 1) tim->hours = 1; // 12:59pm -> 1:59pm
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}
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}
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}
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/* ASCTIME Formats: ****************************************************************
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* 1 W = weekday, M = month, D = day, H = Hour, M = Minute, S = Second, Y = year) *
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* A = AM/PM *
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* 2 Use capital letter for one letter/digit; else, use lower *
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* *
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* Example: asctime (time, "Today is: %W3 %D2 %m") *
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* Result: Today is: Mon 22 June *
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************************************************************************************/
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/*char* asctime (TIME time, char* format)
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{
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char str[100];
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int l = strlen(format), i;
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byte special = 0;
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for (i=0; i<l-1 && i<100; i++) {
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if (format[i] == '%') switch (format[i+1]) {
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case 'W':
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}*/
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