lora_bl/Core/Src/RTC_SLEEP.c

//
// Created by EDZ on 25-9-16.
//

#include "../Inc/RTC_SLEEP.h"
RTC_TimeTypeDef SOS_key_struct =  {0};
RTC_TimeTypeDef JUGE_key_struct = {0};
RTC_TimeTypeDef Online_struct = {0};
RTC_TimeTypeDef SOS_struct = {0};
RTC_TimeTypeDef IDLE_struct = {0};

// 单独的RTC时间和日期设置函数
void RTC_SetDateTime(RTC_HandleTypeDef *hrtc, uint8_t hours, uint8_t minutes, uint8_t seconds,
                     uint8_t weekday, uint8_t month, uint8_t date, uint8_t year) {
    RTC_TimeTypeDef sTime = {0};
    RTC_DateTypeDef sDate = {0};

    // 设置时间
    sTime.Hours = hours;
    sTime.Minutes = minutes;
    sTime.Seconds = seconds;
    HAL_RTC_SetTime(hrtc, &sTime, RTC_FORMAT_BCD);

    // 设置日期
    sDate.WeekDay = weekday;
    sDate.Month = month;
    sDate.Date = date;
    sDate.Year = year;
    HAL_RTC_SetDate(hrtc, &sDate, RTC_FORMAT_BCD);
}

/**
 * @brief  设置指定秒数后的闹钟
 * @param  delay_seconds 延迟秒数（最大支持 24*3600-1 秒，即一天内）
 */
void Set_Alarm_After(uint32_t delay_seconds)
{
    if (delay_seconds == 0 || delay_seconds >= 24*3600)
    {
        // 超过 RTC 最大范围，报错或截断
        printf("Error: delay_seconds must be 1 ~ 86399\r\n");
        return;
    }

    RTC_TimeTypeDef now;
    RTC_DateTypeDef date;

    // 读当前时间
    HAL_RTC_GetTime(&hrtc, &now, RTC_FORMAT_BIN);
    HAL_RTC_GetDate(&hrtc, &date, RTC_FORMAT_BIN); // 必须读 Date 解锁

    // 将当前时间转换为总秒数
    uint32_t now_seconds = now.Hours * 3600 + now.Minutes * 60 + now.Seconds;

    // 计算目标时间总秒数
    uint32_t alarm_seconds = now_seconds + delay_seconds;
    if (alarm_seconds >= 24*3600)
        alarm_seconds -= 24*3600; // 跨天处理

    // 分解为时分秒
    uint8_t hr  = alarm_seconds / 3600;
    uint8_t min = (alarm_seconds % 3600) / 60;
    uint8_t sec = alarm_seconds % 60;

    // 设置闹钟
    RTC_AlarmTypeDef sAlarm = {0};
    sAlarm.AlarmTime.Hours   = hr;
    sAlarm.AlarmTime.Minutes = min;
    sAlarm.AlarmTime.Seconds = sec;
    sAlarm.Alarm = RTC_ALARM_A;

    if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BIN) != HAL_OK)
    {
        Error_Handler();
    }

    // printf("Now      : %02d:%02d:%02d\r\n", now.Hours, now.Minutes, now.Seconds);
    // printf("NextAlarm: %02d:%02d:%02d\r\n", hr, min, sec);

    //     /* 进入 STANDBY 模式 */
    __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);               // 清除唤醒标志
    HAL_PWR_EnterSTANDBYMode();                      // MCU 进入 STANDBY
}