89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
#include "system/includes.h"
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#include "app_config.h"
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#include "asm/pwm_led.h"
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#include "tone_player.h"
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#include "ui_manage.h"
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#include "app_main.h"
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#include "app_task.h"
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#include "asm/charge.h"
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#include "app_power_manage.h"
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#include "app_charge.h"
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#include "user_cfg.h"
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#include "audio.h"
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#include "vm.h"
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#include "sys_time.h"
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#include <stdint.h>
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// 判断是否为闰年
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static uint8_t isLeapYear(uint16_t year) {
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if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) {
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return 1;
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}
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return 0;
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}
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// 计算从1970年到指定年份之前的总天数
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static uint32_t getDaysSinceEpoch(uint16_t year) {
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uint32_t days = 0;
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for (uint16_t y = 1970; y < year; y++) {
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days += isLeapYear(y) ? 366 : 365;
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}
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return days;
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}
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// 计算指定年份中到指定月份之前的总天数
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static uint32_t getDaysInYear(uint16_t year, uint8_t month) {
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const uint8_t daysInMonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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uint32_t days = 0;
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for (uint8_t m = 1; m < month; m++) {
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days += daysInMonth[m - 1];
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// 处理闰年二月
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if (m == 2 && isLeapYear(year)) {
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days += 1;
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}
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}
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return days;
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}
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// 将日期时间转换为UTC时间戳（秒级）
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// 参数范围检查：1970 <= year <= 2106, 1 <= month <= 12, 1 <= day <= 31
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// 0 <= hour <= 23, 0 <= minute <= 59, 0 <= second <= 59
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uint32_t convertToUtcTimestamp(uint16_t year, uint8_t month, uint8_t day,
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uint8_t hour, uint8_t minute, uint8_t second) {
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// 1. 计算从1970年到目标年份之前的总天数
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uint32_t totalDays = getDaysSinceEpoch(year);
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// 2. 加上目标年份中到目标月份之前的天数
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totalDays += getDaysInYear(year, month);
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// 3. 加上当月已过的天数（day-1，因为当天还没过完）
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totalDays += (day - 1);
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// 4. 计算总秒数
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uint32_t totalSeconds = totalDays * 86400UL; // 每天86400秒
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totalSeconds += hour * 3600UL; // 小时转秒
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totalSeconds += minute * 60UL; // 分钟转秒
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totalSeconds += second; // 加上秒
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return totalSeconds;
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}
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// 示例用法
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int utc_dec_test_main()
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{
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// 北京时间2025-05-19 00:38:25 (UTC时间2025-05-18 16:38:25)
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/*uint32_t timestamp = convertToUtcTimestamp(2025, 5, 18, 16, 38, 25);
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// 应返回1747568305 (对应的毫秒时间戳是1747568305000)
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printf("UTC timestamp: %lu\n", timestamp);*/
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return 0;
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}
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