242 lines
6.4 KiB
C
242 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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*/
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#include "rtc_calendar.h"
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extern void rt_hw_console_putc(char c);
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extern rt_uint8_t rt_hw_serial_getc(void);
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rt_uint32_t year_seprt=0;
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rt_uint8_t month_seprt=0;
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rt_uint8_t day_seprt=0;
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rt_int8_t *month_cn[12] ={ "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月",
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"九月", "十月", "十一月", "十二月"
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};
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rt_int8_t *month_en[12] ={ "January", "February", "March", "April", "May", "June", "July",
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"Auguest", "September", "October", "November", "December"
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};
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rt_int8_t *day_en[7]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Firday","Saturday"};
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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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//=====================================================================
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//read from uart
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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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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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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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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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} else
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len_month = 31;
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return len_month;
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}
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rt_int32_t rt_rtc_space_days(rt_int32_t month, rt_int32_t year)
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{
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rt_int32_t all_days = 0;
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rt_int32_t i = 1;
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rt_int32_t leap = rt_rtc_isleap(year);
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for (i = 1; i <= month; i++) {
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all_days = all_days + rt_rtc_month_day_num(i, leap);
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}
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return all_days;
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}
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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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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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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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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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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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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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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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for (month = 1; month <= 12; month = month + 1) {
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rt_rtc_print_one_month(month, year);
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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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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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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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} 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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} 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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temp = month_seprt;
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month_seprt = temp / 10;
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day_seprt = temp % 10;
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} else if (month_seprt < 10)
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day_seprt = 0;
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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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} 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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rt_kprintf
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("\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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} else {
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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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rt_kprintf
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("\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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rt_kprintf
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("\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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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 rt_rtc_show_calendar(void)
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{
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rt_uint32_t year;
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//static rt_uint8_t receive_char;
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//year = Uart_GetIntNum_MT();
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year = 201002;
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//rt_kprintf("\nThe date is %d\n", year);
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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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//rt_kprintf("\nYear: %d\n", year_seprt);
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rt_rtc_print_calendar(year_seprt);
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} else if (day_seprt == 0) {
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//rt_kprintf("\n%d/%d\n", year_seprt, month_seprt);
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rt_rtc_print_calendar(year_seprt);
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} else {
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//rt_kprintf("\n%d/%d/%d\n", year_seprt, month_seprt, day_seprt);
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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(rt_rtc_show_calendar, print calendar)
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#endif
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