C++ (Cpp) rt_soft_timer_check示例

示例#1

文件： timer.c 项目： CollinsLiu/rt-thread-pc

/* system timer thread entry */
static void rt_thread_timer_entry(void *parameter)
{
	while (1)
	{
		/* take software timer semaphore */
		rt_sem_take(&timer_sem, RT_WAITING_FOREVER);

		/* lock scheduler */
		rt_enter_critical();

		/* check software timer */
		rt_soft_timer_check();

		/* unlock scheduler */
		rt_exit_critical();
	}
}

示例#2

文件： timer.c 项目： KNCheung/AlarmClockBeta

/* system timer thread entry */
static void rt_thread_timer_entry(void *parameter)
{
    rt_tick_t next_timeout;

    while (1)
    {
        /* get the next timeout tick */
        next_timeout = rt_timer_list_next_timeout(rt_soft_timer_list);
        if (next_timeout == RT_TICK_MAX)
        {
            /* no software timer exist, suspend self. */
            rt_thread_suspend(rt_thread_self());
            rt_schedule();
        }
        else
        {
            rt_tick_t current_tick;

            /* get current tick */
            current_tick = rt_tick_get();

            if ((next_timeout - current_tick) < RT_TICK_MAX/2)
            {
                /* get the delta timeout tick */
                next_timeout = next_timeout - current_tick;
                rt_thread_delay_hmsm(next_timeout);
            }
        }

        /* lock scheduler */
        rt_enter_critical();
        /* check software timer */
        rt_soft_timer_check();
        /* unlock scheduler */
        rt_exit_critical();
    }
}