256 lines
6.4 KiB
C
256 lines
6.4 KiB
C
/*
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* File : rtc_calendar.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006, RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-02-10 Gary Lee first implementation
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* 2010-02-21 Gary Lee add __DATA__
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*/
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#include <rtthread.h>
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#include <string.h>
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#define DEFAULT_YEAR_MONTH_DAY (DEFAULT_YEAR*10000+DEFAULT_MONTH*100+DEFAULT_DAY)
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#define DEFAULT_YEAR 2010
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#define DEFAULT_MONTH 01
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#define DEFAULT_DAY 01
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static rt_uint32_t year_seprt = 0;
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static rt_uint8_t month_seprt = 0;
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static rt_uint8_t day_seprt = 0;
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static const rt_int8_t *month_cn[12] = { "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月","九月", "十月", "十一月", "十二月"};
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static const rt_int8_t *day_cn[7] = {"星期日","星期一","星期二","星期三","星期四","星期五","星期六"};
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static const rt_int8_t *month_en[12] = { "January", "February", "March", "April", "May", "June", "July","Auguest", "September", "October", "November", "December"};
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static const rt_uint8_t *list_month[12] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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static rt_int32_t rt_rtc_isleap(rt_uint32_t year)
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{
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rt_int32_t leap = 0;
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if (((year % 4 == 0) && (year % 100 != 0)) || (year % 4 == 0))
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leap = 1;
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return leap;
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}
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static rt_int32_t rt_rtc_week_of_newyears_day(rt_uint32_t year)
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{
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rt_int32_t n = year - 1900;
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n = n + (n - 1) / 4 + 1;
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n = n % 7;
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return n;
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}
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static rt_int32_t rt_rtc_month_day_num(rt_int32_t month, rt_int32_t leapyn)
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{
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rt_int32_t len_month = 0;
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if ((month == 4) || (month == 6) || (month == 9) || (month == 11))
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len_month = 30;
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else if (month == 2)
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{
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if (leapyn == 1)
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len_month = 29;
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else
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len_month = 28;
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}
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else
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len_month = 31;
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return len_month;
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}
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static rt_int32_t rt_rtc_weekday_month(rt_int32_t month, rt_int32_t year)
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{
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rt_int32_t space = 0, j, all_days = 0;
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rt_int32_t leap = rt_rtc_isleap(year);
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space = rt_rtc_week_of_newyears_day(year);
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for (j = 1; j <= month - 1; j++)
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{
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all_days = all_days + rt_rtc_month_day_num(j, leap);
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}
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space = (space + all_days) % 7;
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return space;
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}
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static void rt_rtc_print_common_fmt(rt_uint8_t month, rt_uint8_t weekday, rt_uint8_t leapyear)
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{
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rt_int32_t day, j, len_of_month;
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rt_kprintf("\n%s %s %d\n",
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month_cn[month - 1], month_en[month - 1], year_seprt);
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rt_kprintf("----------------------------------\n");
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rt_kprintf("SUN MON TUE WED THU FRI SAT\n");
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rt_kprintf("----------------------------------\n");
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for (j = 0; j < weekday; j++)
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rt_kprintf(" ");
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len_of_month = rt_rtc_month_day_num(month, leapyear);
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for (day = 1; day <= len_of_month; day++)
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{
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if (day > 9)
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rt_kprintf("%d ", day);
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else
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rt_kprintf("%d ", day);
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weekday = weekday + 1;
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if (weekday == 7)
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{
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weekday = 0;
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rt_kprintf("\n");
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}
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}
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rt_kprintf("\n");
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}
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static void rt_rtc_print_one_month(rt_int32_t month, rt_int32_t year)
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{
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rt_int32_t weekday = rt_rtc_weekday_month(month, year);
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rt_int32_t leapyear = rt_rtc_isleap(year);
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rt_rtc_print_common_fmt(month, weekday, leapyear);
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}
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static void rt_rtc_print_calendar(rt_uint32_t year)
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{
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rt_uint8_t month;
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if (month_seprt == 0)
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{
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for (month = 1; month <= 12; month = month + 1)
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{
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rt_rtc_print_one_month(month, year);
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}
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}
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else
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rt_rtc_print_one_month(month_seprt, year);
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}
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static void rt_rtc_year_month_day_seperate(rt_uint32_t year)
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{
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rt_uint32_t temp;
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if (year < 1900 || year > 30000000)
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{
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rt_kprintf("\nPlease input year and month, if not, system default is loaded!\n");
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year = DEFAULT_YEAR;
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}
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if (year / 100 < 30 && year / 100 > 18)
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{
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year_seprt = year;
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month_seprt = 0;
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day_seprt = 0;
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}
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else if (year / 100 < 300 && year / 100 > 196)
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{
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year_seprt = year / 10;
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month_seprt = year % 10;
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day_seprt = 0;
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}
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else if (year / 100 < 3000 && year / 100 > 1960)
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{
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year_seprt = year / 100;
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month_seprt = year % 100;
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if (month_seprt > 12)
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{
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temp = month_seprt;
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month_seprt = temp / 10;
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day_seprt = temp % 10;
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}
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else if (month_seprt < 10)
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day_seprt = 0;
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}
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else if (year / 100 < 30000 && year / 100 > 19600)
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{
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year_seprt = year / 1000;
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month_seprt = (year % 1000) / 100;
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if (month_seprt == 0)
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{
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month_seprt = (year % 100) / 10;
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day_seprt = year % 10;
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}
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else
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day_seprt = year % 100;
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temp = rt_rtc_month_day_num(month_seprt, rt_rtc_isleap(year_seprt));
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if (day_seprt > temp)
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{
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rt_kprintf("\nError：There are only %d days this month, using default date\n", temp);
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day_seprt = DEFAULT_DAY;
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}
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}
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else
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{
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year_seprt = year / 10000;
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month_seprt = (year % 10000) / 100;
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if (month_seprt > 12)
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{
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rt_kprintf("\nError: There are only 12 months a year, using default date\n");
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month_seprt = DEFAULT_MONTH;
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}
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day_seprt = year % 100;
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temp = rt_rtc_month_day_num(month_seprt, rt_rtc_isleap(year_seprt));
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if (day_seprt > temp)
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{
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rt_kprintf("\nError: There are %d days in this month, using default date\n", temp);
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day_seprt = DEFAULT_DAY;
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}
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}
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}
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static void rt_rtc_weekdate_calculate(void)
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{
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rt_uint32_t temp;
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temp = rt_rtc_weekday_month(month_seprt, year_seprt) - 1;
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temp = (temp + day_seprt) % 7;
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rt_kprintf("%d/%d/%d/:%s\n", year_seprt, month_seprt, day_seprt, day_cn[temp]);
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}
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void calendar(void)
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{
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static rt_int32_t year;
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rt_uint8_t i = 0;
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rt_int32_t result, num_month, num_year;
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rt_uint8_t date_year[5], date_month[4], *date = __DATE__;
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strlcpy((char *)date_month, (const char *)date, 4);
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date += 7;
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strlcpy((char *)date_year, (const char *)date, 5);
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date = RT_NULL;
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num_year = atoi(date_year);
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do
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{
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result = strcmp((const char *)date_month, (const char *)list_month[i++]);
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if(result !=0)
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result = 1;
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else
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num_month = i;
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}while(result);
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i = 0;
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result = 1;
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year = num_year*100 + num_month;
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rt_rtc_year_month_day_seperate(year);
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if (day_seprt == 0 && month_seprt == 0)
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{
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rt_rtc_print_calendar(year_seprt);
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}
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else if (day_seprt == 0)
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{
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rt_rtc_print_calendar(year_seprt);
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}
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else
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{
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rt_rtc_weekdate_calculate();
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}
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}
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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FINSH_FUNCTION_EXPORT(calendar, print calendar)
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#endif
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