62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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/*
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* Copyright (c) 2006-2021, 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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* 2023-06-19 murmur the first version
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*/
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/*
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** 程序清单：这是一个 RTC 设备使用例程
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** 例程导出了 alarm_sample 命令到控制终端
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** 命令调用格式：alarm_sample
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** 程序功能：设置RTC时间，创建闹钟，模式：每秒触发，启动闹钟
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**/
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#include <rtthread.h>
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#include <rtdevice.h>
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#define LOG_TAG "alarm"
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#define LOG_LVL LOG_LVL_DBG
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#include <ulog.h>
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void user_alarm_callback(rt_alarm_t alarm, time_t timestamp)
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{
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rt_kprintf("user alarm callback function.\n");
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}
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void alarm_sample(int argc, char *argv[])
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{
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rt_device_t dev = rt_device_find("rtc");
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struct rt_alarm_setup setup;
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struct rt_alarm * alarm = RT_NULL;
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static time_t now;
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struct tm p_tm;
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if (alarm != RT_NULL)
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return;
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/* 获取当前时间戳，并把下一秒时间设置为闹钟时间 */
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now = time(NULL) + 10;
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gmtime_r(&now,&p_tm);
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setup.flag = RT_ALARM_DAILY;
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setup.wktime.tm_year = p_tm.tm_year;
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setup.wktime.tm_mon = p_tm.tm_mon;
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setup.wktime.tm_mday = p_tm.tm_mday;
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setup.wktime.tm_wday = p_tm.tm_wday;
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setup.wktime.tm_hour = atoi(argv[1]);//p_tm.tm_hour;
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setup.wktime.tm_min = 0;//p_tm.tm_min;
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setup.wktime.tm_sec = 0;//p_tm.tm_sec;
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alarm = rt_alarm_create(user_alarm_callback, &setup);
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if(RT_NULL != alarm)
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{
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rt_alarm_start(alarm);
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LOG_D("alarm started.");
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}
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}
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/* export msh cmd */
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MSH_CMD_EXPORT(alarm_sample,alarm sample);
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