增加串口打印LOG提示电量，并修复亏电情况下不进入低功耗问题

chen

2024-11-04 9ff35110c0d55f0c5f3dbb3453301283a1e8de42

 keil/include/drivers/mk_rtc.c

@@ -187,7 +187,7 @@
    }

    if (time->year < 1970 || time->month < 1 || time->month > 12 || time->day < 1 || time->day > rtc_month_days(time->month, time->year) || time->hour >= 24 ||
        time->minute >= 60 || time->second >= 60)
            time->minute >= 60 || time->second >= 60)
    {
        return DRV_ERROR;
    }