rt-thread/components/drivers/include/drivers/alarm.h

76 lines
2.3 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2012-10-27 heyuanjie87 first version.
* 2013-05-17 aozima initial alarm event & mutex in system init.
* 2020-10-15 zhangsz add alarm flags hour minute second.
*/
#ifndef __ALARM_H__
#define __ALARM_H__
#include <sys/time.h>
#include <rtdef.h>
#define RT_ALARM_TM_NOW -1 /* set the alarm tm_day,tm_mon,tm_sec,etc.
to now.we also call it "don't care" value */
/* alarm flags */
#define RT_ALARM_ONESHOT 0x000 /* only alarm once */
#define RT_ALARM_DAILY 0x100 /* alarm everyday */
#define RT_ALARM_WEEKLY 0x200 /* alarm weekly at Monday or Friday etc. */
#define RT_ALARM_MONTHLY 0x400 /* alarm monthly at someday */
#define RT_ALARM_YAERLY 0x800 /* alarm yearly at a certain date */
#define RT_ALARM_HOUR 0x1000 /* alarm each hour at a certain min:second */
#define RT_ALARM_MINUTE 0x2000 /* alarm each minute at a certain second */
#define RT_ALARM_SECOND 0x4000 /* alarm each second */
#define RT_ALARM_STATE_INITED 0x02
#define RT_ALARM_STATE_START 0x01
#define RT_ALARM_STATE_STOP 0x00
/* alarm control cmd */
#define RT_ALARM_CTRL_MODIFY 1 /* modify alarm time or alarm flag */
typedef struct rt_alarm *rt_alarm_t;
typedef void (*rt_alarm_callback_t)(rt_alarm_t alarm, time_t timestamp);
struct rt_alarm
{
rt_list_t list;
rt_uint32_t flag;
rt_alarm_callback_t callback;
struct tm wktime;
void *user_data;
};
struct rt_alarm_setup
{
rt_uint32_t flag; /* alarm flag */
struct tm wktime; /* when will the alarm wake up user */
};
struct rt_alarm_container
{
rt_list_t head;
struct rt_mutex mutex;
struct rt_event event;
struct rt_alarm *current;
};
rt_alarm_t rt_alarm_create(rt_alarm_callback_t callback,
struct rt_alarm_setup *setup);
rt_err_t rt_alarm_control(rt_alarm_t alarm, int cmd, void *arg);
void rt_alarm_update(rt_device_t dev, rt_uint32_t event);
rt_err_t rt_alarm_delete(rt_alarm_t alarm);
rt_err_t rt_alarm_start(rt_alarm_t alarm);
rt_err_t rt_alarm_stop(rt_alarm_t alarm);
int rt_alarm_system_init(void);
#endif /* __ALARM_H__ */