791 lines
21 KiB
C
791 lines
21 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2012-10-27 heyuanjie87 first version.
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* 2013-05-17 aozima initial alarm event & mutex in system init.
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* 2020-10-15 zhangsz add alarm flags hour minute second.
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* 2020-11-09 zhangsz fix alarm set when modify rtc time.
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <sys/time.h>
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#define RT_RTC_YEARS_MAX 137
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#ifdef RT_USING_SOFT_RTC
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#define RT_ALARM_DELAY 0
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#else
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#define RT_ALARM_DELAY 2
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#endif
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#if (defined(RT_USING_RTC) && defined(RT_USING_ALARM))
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static struct rt_alarm_container _container;
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rt_inline rt_uint32_t alarm_mkdaysec(struct tm *time)
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{
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rt_uint32_t sec;
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sec = time->tm_sec;
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sec += time->tm_min * 60;
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sec += time->tm_hour * 3600;
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return (sec);
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}
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static rt_err_t alarm_set(struct rt_alarm *alarm)
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{
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rt_device_t device;
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struct rt_rtc_wkalarm wkalarm;
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rt_err_t ret;
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device = rt_device_find("rtc");
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if (device == RT_NULL)
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{
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return (RT_ERROR);
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}
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if (alarm->flag & RT_ALARM_STATE_START)
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wkalarm.enable = RT_TRUE;
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else
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wkalarm.enable = RT_FALSE;
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wkalarm.tm_sec = alarm->wktime.tm_sec;
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wkalarm.tm_min = alarm->wktime.tm_min;
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wkalarm.tm_hour = alarm->wktime.tm_hour;
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ret = rt_device_control(device, RT_DEVICE_CTRL_RTC_SET_ALARM, &wkalarm);
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if ((ret == RT_EOK) && wkalarm.enable)
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{
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ret = rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_ALARM, &wkalarm);
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if (ret == RT_EOK)
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{
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/*
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some RTC device like RX8025,it's alarms precision is 1 minute.
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in this case,low level RTC driver should set wkalarm->tm_sec to 0.
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*/
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alarm->wktime.tm_sec = wkalarm.tm_sec;
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alarm->wktime.tm_min = wkalarm.tm_min;
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alarm->wktime.tm_hour = wkalarm.tm_hour;
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}
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}
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return (ret);
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}
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static void alarm_wakeup(struct rt_alarm *alarm, struct tm *now)
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{
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rt_uint32_t sec_alarm, sec_now;
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rt_bool_t wakeup = RT_FALSE;
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time_t timestamp;
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sec_alarm = alarm_mkdaysec(&alarm->wktime);
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sec_now = alarm_mkdaysec(now);
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if (alarm->flag & RT_ALARM_STATE_START)
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{
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switch (alarm->flag & 0xFF00)
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{
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case RT_ALARM_ONESHOT:
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{
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sec_alarm = timegm(&alarm->wktime);
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sec_now = timegm(now);
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if (((sec_now - sec_alarm) <= RT_ALARM_DELAY) && (sec_now >= sec_alarm))
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{
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/* stop alarm */
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alarm->flag &= ~RT_ALARM_STATE_START;
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alarm_set(alarm);
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wakeup = RT_TRUE;
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}
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}
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break;
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case RT_ALARM_SECOND:
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{
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alarm->wktime.tm_hour = now->tm_hour;
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alarm->wktime.tm_min = now->tm_min;
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alarm->wktime.tm_sec = now->tm_sec + 1;
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if (alarm->wktime.tm_sec > 59)
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{
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alarm->wktime.tm_sec = 0;
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alarm->wktime.tm_min = alarm->wktime.tm_min + 1;
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if (alarm->wktime.tm_min > 59)
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{
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alarm->wktime.tm_min = 0;
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alarm->wktime.tm_hour = alarm->wktime.tm_hour + 1;
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if (alarm->wktime.tm_hour > 23)
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{
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alarm->wktime.tm_hour = 0;
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}
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}
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}
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wakeup = RT_TRUE;
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}
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break;
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case RT_ALARM_MINUTE:
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{
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alarm->wktime.tm_hour = now->tm_hour;
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if (alarm->wktime.tm_sec == now->tm_sec)
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{
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alarm->wktime.tm_min = now->tm_min + 1;
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if (alarm->wktime.tm_min > 59)
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{
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alarm->wktime.tm_min = 0;
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alarm->wktime.tm_hour = alarm->wktime.tm_hour + 1;
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if (alarm->wktime.tm_hour > 23)
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{
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alarm->wktime.tm_hour = 0;
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}
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}
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wakeup = RT_TRUE;
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}
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}
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break;
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case RT_ALARM_HOUR:
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{
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if ((alarm->wktime.tm_min == now->tm_min) &&
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(alarm->wktime.tm_sec == now->tm_sec))
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{
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alarm->wktime.tm_hour = now->tm_hour + 1;
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if (alarm->wktime.tm_hour > 23)
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{
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alarm->wktime.tm_hour = 0;
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}
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wakeup = RT_TRUE;
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}
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}
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break;
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case RT_ALARM_DAILY:
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{
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if (((sec_now - sec_alarm) <= RT_ALARM_DELAY) && (sec_now >= sec_alarm))
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wakeup = RT_TRUE;
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}
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break;
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case RT_ALARM_WEEKLY:
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{
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/* alarm at wday */
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if (alarm->wktime.tm_wday == now->tm_wday)
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{
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sec_alarm += alarm->wktime.tm_wday * 24 * 3600;
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sec_now += now->tm_wday * 24 * 3600;
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if (sec_now == sec_alarm)
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wakeup = RT_TRUE;
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}
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}
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break;
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case RT_ALARM_MONTHLY:
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{
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/* monthly someday generate alarm signals */
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if (alarm->wktime.tm_mday == now->tm_mday)
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{
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if ((sec_now - sec_alarm) <= RT_ALARM_DELAY)
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wakeup = RT_TRUE;
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}
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}
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break;
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case RT_ALARM_YAERLY:
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{
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if ((alarm->wktime.tm_mday == now->tm_mday) && \
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(alarm->wktime.tm_mon == now->tm_mon))
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{
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if ((sec_now - sec_alarm) <= RT_ALARM_DELAY)
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wakeup = RT_TRUE;
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}
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}
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break;
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}
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if ((wakeup == RT_TRUE) && (alarm->callback != RT_NULL))
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{
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timestamp = (time_t)0;
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get_timestamp(×tamp);
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alarm->callback(alarm, timestamp);
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}
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}
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}
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static void alarm_update(rt_uint32_t event)
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{
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struct rt_alarm *alm_prev = RT_NULL, *alm_next = RT_NULL;
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struct rt_alarm *alarm;
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rt_int32_t sec_now, sec_alarm, sec_tmp;
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rt_int32_t sec_next = 24 * 3600, sec_prev = 0;
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time_t timestamp = (time_t)0;
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struct tm now;
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rt_list_t *next;
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rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
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if (!rt_list_isempty(&_container.head))
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{
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/* get time of now */
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get_timestamp(×tamp);
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gmtime_r(×tamp, &now);
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for (next = _container.head.next; next != &_container.head; next = next->next)
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{
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alarm = rt_list_entry(next, struct rt_alarm, list);
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/* check the overtime alarm */
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alarm_wakeup(alarm, &now);
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}
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/* get time of now */
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get_timestamp(×tamp);
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gmtime_r(×tamp, &now);
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sec_now = alarm_mkdaysec(&now);
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for (next = _container.head.next; next != &_container.head; next = next->next)
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{
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alarm = rt_list_entry(next, struct rt_alarm, list);
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/* calculate seconds from 00:00:00 */
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sec_alarm = alarm_mkdaysec(&alarm->wktime);
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if (alarm->flag & RT_ALARM_STATE_START)
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{
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sec_tmp = sec_alarm - sec_now;
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if (sec_tmp > 0)
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{
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/* find alarm after now(now to 23:59:59) and the most recent */
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if (sec_tmp < sec_next)
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{
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sec_next = sec_tmp;
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alm_next = alarm;
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}
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}
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else
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{
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/* find alarm before now(00:00:00 to now) and furthest from now */
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if (sec_tmp < sec_prev)
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{
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sec_prev = sec_tmp;
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alm_prev = alarm;
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}
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}
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}
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}
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/* enable the alarm after now first */
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if (sec_next < 24 * 3600)
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{
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if (alarm_set(alm_next) == RT_EOK)
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_container.current = alm_next;
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}
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else if (sec_prev < 0)
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{
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/* enable the alarm before now */
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if (alarm_set(alm_prev) == RT_EOK)
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_container.current = alm_prev;
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}
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else
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{
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if (_container.current != RT_NULL)
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alarm_set(_container.current);
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}
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}
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rt_mutex_release(&_container.mutex);
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}
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static int days_of_year_month(int tm_year, int tm_mon)
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{
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int ret, year;
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year = tm_year + 1900;
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if (tm_mon == 1)
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{
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ret = 28 + ((!(year % 4) && (year % 100)) || !(year % 400));
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}
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else if (((tm_mon <= 6) && (tm_mon % 2 == 0)) || ((tm_mon > 6) && (tm_mon % 2 == 1)))
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{
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ret = 31;
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}
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else
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{
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ret = 30;
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}
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return (ret);
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}
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static rt_bool_t is_valid_date(struct tm *date)
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{
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if ((date->tm_year < 0) || (date->tm_year > RT_RTC_YEARS_MAX))
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{
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return (RT_FALSE);
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}
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if ((date->tm_mon < 0) || (date->tm_mon > 11))
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{
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return (RT_FALSE);
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}
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if ((date->tm_mday < 1) || \
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(date->tm_mday > days_of_year_month(date->tm_year, date->tm_mon)))
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{
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return (RT_FALSE);
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}
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return (RT_TRUE);
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}
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static rt_err_t alarm_setup(rt_alarm_t alarm, struct tm *wktime)
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{
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rt_err_t ret = -RT_ERROR;
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time_t timestamp = (time_t)0;
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struct tm *setup, now;
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setup = &alarm->wktime;
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*setup = *wktime;
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/* get time of now */
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get_timestamp(×tamp);
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gmtime_r(×tamp, &now);
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/* if these are a "don't care" value,we set them to now*/
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if ((setup->tm_sec > 59) || (setup->tm_sec < 0))
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setup->tm_sec = now.tm_sec;
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if ((setup->tm_min > 59) || (setup->tm_min < 0))
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setup->tm_min = now.tm_min;
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if ((setup->tm_hour > 23) || (setup->tm_hour < 0))
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setup->tm_hour = now.tm_hour;
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switch (alarm->flag & 0xFF00)
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{
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case RT_ALARM_SECOND:
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{
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alarm->wktime.tm_hour = now.tm_hour;
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alarm->wktime.tm_min = now.tm_min;
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alarm->wktime.tm_sec = now.tm_sec + 1;
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if (alarm->wktime.tm_sec > 59)
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{
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alarm->wktime.tm_sec = 0;
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alarm->wktime.tm_min = alarm->wktime.tm_min + 1;
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if (alarm->wktime.tm_min > 59)
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{
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alarm->wktime.tm_min = 0;
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alarm->wktime.tm_hour = alarm->wktime.tm_hour + 1;
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if (alarm->wktime.tm_hour > 23)
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{
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alarm->wktime.tm_hour = 0;
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}
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}
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}
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}
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break;
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case RT_ALARM_MINUTE:
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{
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|
alarm->wktime.tm_hour = now.tm_hour;
|
||
|
|
alarm->wktime.tm_min = now.tm_min + 1;
|
||
|
|
if (alarm->wktime.tm_min > 59)
|
||
|
|
{
|
||
|
|
alarm->wktime.tm_min = 0;
|
||
|
|
alarm->wktime.tm_hour = alarm->wktime.tm_hour + 1;
|
||
|
|
if (alarm->wktime.tm_hour > 23)
|
||
|
|
{
|
||
|
|
alarm->wktime.tm_hour = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case RT_ALARM_HOUR:
|
||
|
|
{
|
||
|
|
alarm->wktime.tm_hour = now.tm_hour + 1;
|
||
|
|
if (alarm->wktime.tm_hour > 23)
|
||
|
|
{
|
||
|
|
alarm->wktime.tm_hour = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case RT_ALARM_DAILY:
|
||
|
|
{
|
||
|
|
/* do nothing but needed */
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case RT_ALARM_ONESHOT:
|
||
|
|
{
|
||
|
|
/* if these are "don't care" value we set them to now */
|
||
|
|
if (setup->tm_year == RT_ALARM_TM_NOW)
|
||
|
|
setup->tm_year = now.tm_year;
|
||
|
|
if (setup->tm_mon == RT_ALARM_TM_NOW)
|
||
|
|
setup->tm_mon = now.tm_mon;
|
||
|
|
if (setup->tm_mday == RT_ALARM_TM_NOW)
|
||
|
|
setup->tm_mday = now.tm_mday;
|
||
|
|
/* make sure the setup is valid */
|
||
|
|
if (!is_valid_date(setup))
|
||
|
|
goto _exit;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case RT_ALARM_WEEKLY:
|
||
|
|
{
|
||
|
|
/* if tm_wday is a "don't care" value we set it to now */
|
||
|
|
if ((setup->tm_wday < 0) || (setup->tm_wday > 6))
|
||
|
|
setup->tm_wday = now.tm_wday;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case RT_ALARM_MONTHLY:
|
||
|
|
{
|
||
|
|
/* if tm_mday is a "don't care" value we set it to now */
|
||
|
|
if ((setup->tm_mday < 1) || (setup->tm_mday > 31))
|
||
|
|
setup->tm_mday = now.tm_mday;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case RT_ALARM_YAERLY:
|
||
|
|
{
|
||
|
|
/* if tm_mon is a "don't care" value we set it to now */
|
||
|
|
if ((setup->tm_mon < 0) || (setup->tm_mon > 11))
|
||
|
|
setup->tm_mon = now.tm_mon;
|
||
|
|
|
||
|
|
if (setup->tm_mon == 1)
|
||
|
|
{
|
||
|
|
/* tm_mon is February */
|
||
|
|
|
||
|
|
/* tm_mday should be 1~29.otherwise,it's a "don't care" value */
|
||
|
|
if ((setup->tm_mday < 1) || (setup->tm_mday > 29))
|
||
|
|
setup->tm_mday = now.tm_mday;
|
||
|
|
}
|
||
|
|
else if (((setup->tm_mon <= 6) && (setup->tm_mon % 2 == 0)) || \
|
||
|
|
((setup->tm_mon > 6) && (setup->tm_mon % 2 == 1)))
|
||
|
|
{
|
||
|
|
/* Jan,Mar,May,Jul,Aug,Oct,Dec */
|
||
|
|
|
||
|
|
/* tm_mday should be 1~31.otherwise,it's a "don't care" value */
|
||
|
|
if ((setup->tm_mday < 1) || (setup->tm_mday > 31))
|
||
|
|
setup->tm_mday = now.tm_mday;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* tm_mday should be 1~30.otherwise,it's a "don't care" value */
|
||
|
|
if ((setup->tm_mday < 1) || (setup->tm_mday > 30))
|
||
|
|
setup->tm_mday = now.tm_mday;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
{
|
||
|
|
goto _exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((setup->tm_hour == 23) && (setup->tm_min == 59) && (setup->tm_sec == 59))
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
for insurance purposes, we will generate an alarm
|
||
|
|
signal two seconds ahead of.
|
||
|
|
*/
|
||
|
|
setup->tm_sec = 60 - RT_ALARM_DELAY;
|
||
|
|
}
|
||
|
|
/* set initialized state */
|
||
|
|
alarm->flag |= RT_ALARM_STATE_INITED;
|
||
|
|
ret = RT_EOK;
|
||
|
|
|
||
|
|
_exit:
|
||
|
|
|
||
|
|
return (ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief send a rtc alarm event
|
||
|
|
*
|
||
|
|
* \param dev pointer to RTC device(currently unused,you can ignore it)
|
||
|
|
* \param event RTC event(currently unused)
|
||
|
|
* \return none
|
||
|
|
*/
|
||
|
|
void rt_alarm_update(rt_device_t dev, rt_uint32_t event)
|
||
|
|
{
|
||
|
|
rt_event_send(&_container.event, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief modify the alarm setup
|
||
|
|
*
|
||
|
|
* \param alarm pointer to alarm
|
||
|
|
* \param cmd control command
|
||
|
|
* \param arg argument
|
||
|
|
*/
|
||
|
|
rt_err_t rt_alarm_control(rt_alarm_t alarm, int cmd, void *arg)
|
||
|
|
{
|
||
|
|
rt_err_t ret = -RT_ERROR;
|
||
|
|
|
||
|
|
RT_ASSERT(alarm != RT_NULL);
|
||
|
|
|
||
|
|
rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
|
||
|
|
switch (cmd)
|
||
|
|
{
|
||
|
|
case RT_ALARM_CTRL_MODIFY:
|
||
|
|
{
|
||
|
|
struct rt_alarm_setup *setup;
|
||
|
|
|
||
|
|
RT_ASSERT(arg != RT_NULL);
|
||
|
|
setup = arg;
|
||
|
|
rt_alarm_stop(alarm);
|
||
|
|
alarm->flag = setup->flag & 0xFF00;
|
||
|
|
alarm->wktime = setup->wktime;
|
||
|
|
ret = alarm_setup(alarm, &alarm->wktime);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
rt_mutex_release(&_container.mutex);
|
||
|
|
|
||
|
|
return (ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief start an alarm
|
||
|
|
*
|
||
|
|
* \param alarm pointer to alarm
|
||
|
|
* \return RT_EOK
|
||
|
|
*/
|
||
|
|
rt_err_t rt_alarm_start(rt_alarm_t alarm)
|
||
|
|
{
|
||
|
|
rt_int32_t sec_now, sec_old, sec_new;
|
||
|
|
rt_err_t ret = RT_EOK;
|
||
|
|
time_t timestamp = (time_t)0;
|
||
|
|
struct tm now;
|
||
|
|
|
||
|
|
if (alarm == RT_NULL)
|
||
|
|
return (RT_ERROR);
|
||
|
|
rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
|
||
|
|
|
||
|
|
if (!(alarm->flag & RT_ALARM_STATE_START))
|
||
|
|
{
|
||
|
|
if (alarm_setup(alarm, &alarm->wktime) != RT_EOK)
|
||
|
|
{
|
||
|
|
ret = -RT_ERROR;
|
||
|
|
goto _exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* get time of now */
|
||
|
|
get_timestamp(×tamp);
|
||
|
|
gmtime_r(×tamp, &now);
|
||
|
|
|
||
|
|
alarm->flag |= RT_ALARM_STATE_START;
|
||
|
|
|
||
|
|
/* set alarm */
|
||
|
|
if (_container.current == RT_NULL)
|
||
|
|
{
|
||
|
|
ret = alarm_set(alarm);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
sec_now = alarm_mkdaysec(&now);
|
||
|
|
sec_old = alarm_mkdaysec(&_container.current->wktime);
|
||
|
|
sec_new = alarm_mkdaysec(&alarm->wktime);
|
||
|
|
|
||
|
|
if ((sec_new < sec_old) && (sec_new > sec_now))
|
||
|
|
{
|
||
|
|
ret = alarm_set(alarm);
|
||
|
|
}
|
||
|
|
else if ((sec_new > sec_now) && (sec_old < sec_now))
|
||
|
|
{
|
||
|
|
ret = alarm_set(alarm);
|
||
|
|
}
|
||
|
|
else if ((sec_new < sec_old) && (sec_old < sec_now))
|
||
|
|
{
|
||
|
|
ret = alarm_set(alarm);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ret = RT_EOK;
|
||
|
|
goto _exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ret == RT_EOK)
|
||
|
|
{
|
||
|
|
_container.current = alarm;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
_exit:
|
||
|
|
rt_mutex_release(&_container.mutex);
|
||
|
|
|
||
|
|
return (ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief stop an alarm
|
||
|
|
*
|
||
|
|
* \param alarm pointer to alarm
|
||
|
|
* \return RT_EOK
|
||
|
|
*/
|
||
|
|
rt_err_t rt_alarm_stop(rt_alarm_t alarm)
|
||
|
|
{
|
||
|
|
rt_err_t ret = RT_EOK;
|
||
|
|
|
||
|
|
if (alarm == RT_NULL)
|
||
|
|
return (RT_ERROR);
|
||
|
|
rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
|
||
|
|
if (!(alarm->flag & RT_ALARM_STATE_START))
|
||
|
|
goto _exit;
|
||
|
|
/* stop alarm */
|
||
|
|
alarm->flag &= ~RT_ALARM_STATE_START;
|
||
|
|
|
||
|
|
if (_container.current == alarm)
|
||
|
|
{
|
||
|
|
ret = alarm_set(alarm);
|
||
|
|
_container.current = RT_NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ret == RT_EOK)
|
||
|
|
alarm_update(0);
|
||
|
|
|
||
|
|
_exit:
|
||
|
|
rt_mutex_release(&_container.mutex);
|
||
|
|
|
||
|
|
return (ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief delete an alarm
|
||
|
|
*
|
||
|
|
* \param alarm pointer to alarm
|
||
|
|
* \return RT_EOK
|
||
|
|
*/
|
||
|
|
rt_err_t rt_alarm_delete(rt_alarm_t alarm)
|
||
|
|
{
|
||
|
|
rt_err_t ret = RT_EOK;
|
||
|
|
|
||
|
|
if (alarm == RT_NULL)
|
||
|
|
return -RT_ERROR;
|
||
|
|
rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
|
||
|
|
/* stop the alarm */
|
||
|
|
alarm->flag &= ~RT_ALARM_STATE_START;
|
||
|
|
if (_container.current == alarm)
|
||
|
|
{
|
||
|
|
ret = alarm_set(alarm);
|
||
|
|
_container.current = RT_NULL;
|
||
|
|
/* set new alarm if necessary */
|
||
|
|
alarm_update(0);
|
||
|
|
}
|
||
|
|
rt_list_remove(&alarm->list);
|
||
|
|
rt_free(alarm);
|
||
|
|
|
||
|
|
rt_mutex_release(&_container.mutex);
|
||
|
|
|
||
|
|
return (ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief create an alarm
|
||
|
|
*
|
||
|
|
* \param flag set alarm mode e.g: RT_ALARM_DAILY
|
||
|
|
* \param setup pointer to setup infomation
|
||
|
|
*/
|
||
|
|
rt_alarm_t rt_alarm_create(rt_alarm_callback_t callback, struct rt_alarm_setup *setup)
|
||
|
|
{
|
||
|
|
struct rt_alarm *alarm;
|
||
|
|
|
||
|
|
if (setup == RT_NULL)
|
||
|
|
return (RT_NULL);
|
||
|
|
|
||
|
|
alarm = rt_malloc(sizeof(struct rt_alarm));
|
||
|
|
if (alarm == RT_NULL)
|
||
|
|
return (RT_NULL);
|
||
|
|
|
||
|
|
rt_list_init(&alarm->list);
|
||
|
|
|
||
|
|
alarm->wktime = setup->wktime;
|
||
|
|
alarm->flag = setup->flag & 0xFF00;
|
||
|
|
alarm->callback = callback;
|
||
|
|
rt_mutex_take(&_container.mutex, RT_WAITING_FOREVER);
|
||
|
|
rt_list_insert_after(&_container.head, &alarm->list);
|
||
|
|
rt_mutex_release(&_container.mutex);
|
||
|
|
|
||
|
|
return (alarm);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** \brief rtc alarm service thread entry
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
static void rt_alarmsvc_thread_init(void *param)
|
||
|
|
{
|
||
|
|
rt_uint32_t recv;
|
||
|
|
|
||
|
|
_container.current = RT_NULL;
|
||
|
|
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
if (rt_event_recv(&_container.event, 0xFFFF,
|
||
|
|
RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
|
||
|
|
RT_WAITING_FOREVER, &recv) == RT_EOK)
|
||
|
|
{
|
||
|
|
alarm_update(recv);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
struct _alarm_flag
|
||
|
|
{
|
||
|
|
const char* name;
|
||
|
|
rt_uint32_t flag;
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct _alarm_flag _alarm_flag_tbl[] =
|
||
|
|
{
|
||
|
|
{"N", 0xffff}, /* none */
|
||
|
|
{"O", RT_ALARM_ONESHOT}, /* only alarm once */
|
||
|
|
{"D", RT_ALARM_DAILY}, /* alarm everyday */
|
||
|
|
{"W", RT_ALARM_WEEKLY}, /* alarm weekly at Monday or Friday etc. */
|
||
|
|
{"Mo", RT_ALARM_MONTHLY}, /* alarm monthly at someday */
|
||
|
|
{"Y", RT_ALARM_YAERLY}, /* alarm yearly at a certain date */
|
||
|
|
{"H", RT_ALARM_HOUR}, /* alarm each hour at a certain min:second */
|
||
|
|
{"M", RT_ALARM_MINUTE}, /* alarm each minute at a certain second */
|
||
|
|
{"S", RT_ALARM_SECOND}, /* alarm each second */
|
||
|
|
};
|
||
|
|
|
||
|
|
static rt_uint8_t _alarm_flag_tbl_size = sizeof(_alarm_flag_tbl) / sizeof(_alarm_flag_tbl[0]);
|
||
|
|
|
||
|
|
static rt_uint8_t get_alarm_flag_index(rt_uint32_t alarm_flag)
|
||
|
|
{
|
||
|
|
for (rt_uint8_t index = 0; index < _alarm_flag_tbl_size; index++)
|
||
|
|
{
|
||
|
|
alarm_flag &= 0xff00;
|
||
|
|
if (alarm_flag == _alarm_flag_tbl[index].flag)
|
||
|
|
{
|
||
|
|
return index;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void rt_alarm_dump(void)
|
||
|
|
{
|
||
|
|
rt_list_t *next;
|
||
|
|
rt_alarm_t alarm;
|
||
|
|
|
||
|
|
rt_kprintf("| hh:mm:ss | week | flag | en |\n");
|
||
|
|
rt_kprintf("+----------+------+------+----+\n");
|
||
|
|
for (next = _container.head.next; next != &_container.head; next = next->next)
|
||
|
|
{
|
||
|
|
alarm = rt_list_entry(next, struct rt_alarm, list);
|
||
|
|
rt_uint8_t flag_index = get_alarm_flag_index(alarm->flag);
|
||
|
|
rt_kprintf("| %02d:%02d:%02d | %2d | %2s | %2d |\n",
|
||
|
|
alarm->wktime.tm_hour, alarm->wktime.tm_min, alarm->wktime.tm_sec,
|
||
|
|
alarm->wktime.tm_wday, _alarm_flag_tbl[flag_index].name, alarm->flag & RT_ALARM_STATE_START);
|
||
|
|
}
|
||
|
|
rt_kprintf("+----------+------+------+----+\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
MSH_CMD_EXPORT_ALIAS(rt_alarm_dump, list_alarm, list alarm info);
|
||
|
|
|
||
|
|
/** \brief initialize alarm service system
|
||
|
|
*
|
||
|
|
* \param none
|
||
|
|
* \return none
|
||
|
|
*/
|
||
|
|
int rt_alarm_system_init(void)
|
||
|
|
{
|
||
|
|
rt_thread_t tid;
|
||
|
|
|
||
|
|
rt_list_init(&_container.head);
|
||
|
|
rt_event_init(&_container.event, "alarmsvc", RT_IPC_FLAG_FIFO);
|
||
|
|
rt_mutex_init(&_container.mutex, "alarmsvc", RT_IPC_FLAG_PRIO);
|
||
|
|
|
||
|
|
tid = rt_thread_create("alarmsvc",
|
||
|
|
rt_alarmsvc_thread_init, RT_NULL,
|
||
|
|
2048, 10, 5);
|
||
|
|
if (tid != RT_NULL)
|
||
|
|
rt_thread_startup(tid);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
INIT_PREV_EXPORT(rt_alarm_system_init);
|
||
|
|
#endif
|