示例#1
0
static void sleep_tick_adjust(uint32_t ms)
{
	uint32_t diff;

	diff = rt_tick_from_millisecond(ms);

	rt_tick_set(rt_tick_get() + diff);
	{
		struct rt_thread *thread;

		/* check time slice */
		thread = rt_thread_self();

		if (thread->remaining_tick <= diff)
		{
			/* change to initialized tick */
			thread->remaining_tick = thread->init_tick;

			/* yield */
			rt_thread_yield();
		}
		else
		{
			thread->remaining_tick -= diff;
		}

		/* check timer */
		rt_timer_check();
	}
}
/// Pass control to next thread that is in state READY
osStatus osThreadYield(void)
{
	rt_err_t result;

	result = rt_thread_yield();

	if (result == RT_EOK)
		return osOK;
	else
		return osErrorOS;
}
示例#3
0
/* 线程2入口 */
static void thread2_entry(void* parameter)
{
	rt_uint32_t count = 0;

	while (1) {
		/* 打印线程2的输出 */
		rt_kprintf("thread2: count = %d\n", count ++);

		/* 执行yield后应该切换到thread1执行 */
		rt_thread_yield();
	}
}
示例#4
0
/**
 * This function will notify kernel there is one tick passed. Normally,
 * this function is invoked by clock ISR.
 */
void rt_tick_increase(void)
{
    struct rt_thread *thread;

    /* increase the global tick */
    ++ rt_tick;

    /* check time slice */
    thread = rt_thread_self();

    -- thread->remaining_tick;
    if (thread->remaining_tick == 0)
    {
        /* change to initialized tick */
        thread->remaining_tick = thread->init_tick;

        /* yield */
        rt_thread_yield();
    }

    /* check timer */
    rt_timer_check();
}
示例#5
0
文件: sched.c 项目: bobo8909/RTT
int sched_yield(void)
{
	rt_thread_yield();
	return 0;
}