player/Project/Src/rt-thread/examples/kernel/semaphore_dynamic.c

/*
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>
 *
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼֵΪ0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>̣߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>ó<EFBFBD>ʱ<EFBFBD><EFBFBD>ʽȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ó<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>ء<EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD>ͷ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * <EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õȴ<EFBFBD><EFBFBD><EFBFBD>ʽȥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD><EFBFBD>󷵻ء<EFBFBD>
 */
#include <rtthread.h>
#include "tc_comm.h"

/* ָ<><D6B8><EFBFBD>߳̿<DFB3><CCBF>ƿ<EFBFBD><C6BF><EFBFBD>ָ<EFBFBD><D6B8> */
static rt_thread_t tid = RT_NULL;
/* ָ<><D6B8><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8> */
static rt_sem_t sem = RT_NULL;
/* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD> */
static void thread_entry(void* parameter)
{
    rt_err_t result;
    rt_tick_t tick;

    /* <20><><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><C7B0>OS Tick */
    tick = rt_tick_get();

    /* <20><>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>10<31><30>OS Tick<63><6B>Ȼû<C8BB>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> */
    result = rt_sem_take(sem, 10);
    if (result == -RT_ETIMEOUT)
    {
        rt_tick_t new_tick = rt_tick_get();
        /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> tick <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
        if (new_tick - tick >= 12)
        {
            rt_kprintf("tick error to large: expect: 10, get %d\n",
                       new_tick - tick);

            /* <20><><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7> */
            tc_done(TC_STAT_FAILED);
            rt_sem_delete(sem);
            return;
        }
        rt_kprintf("take semaphore timeout\n");
    }
    else
    {
        /* <20><>Ϊ<EFBFBD><CEAA>û<EFBFBD>ͷ<EFBFBD><CDB7>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>dz<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7> */
        tc_done(TC_STAT_FAILED);
        rt_sem_delete(sem);
        return;
    }

    /* <20>ͷ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ź<EFBFBD><C5BA><EFBFBD> */
    rt_sem_release(sem);

    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD>ȴ<EFBFBD>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><D0B5>ź<EFBFBD><C5BA><EFBFBD> */
    result = rt_sem_take(sem, RT_WAITING_FOREVER);
    if (result != RT_EOK)
    {
        /* <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7> */
        tc_done(TC_STAT_FAILED);
        rt_sem_delete(sem);
        return;
    }

    /* <20><><EFBFBD>Գɹ<D4B3> */
    tc_done(TC_STAT_PASSED);
    /* ɾ<><C9BE><EFBFBD>ź<EFBFBD><C5BA><EFBFBD> */
    rt_sem_delete(sem);
}

int semaphore_dynamic_init()
{
    /* <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼֵ<CABC><D6B5>0 */
    sem = rt_sem_create("sem", 0, RT_IPC_FLAG_FIFO);
    if (sem == RT_NULL)
    {
        tc_stat(TC_STAT_END | TC_STAT_FAILED);
        return 0;
    }

    /* <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD> */
    tid = rt_thread_create("thread",
                           thread_entry, RT_NULL, /* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread_entry, <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
                           THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
    if (tid != RT_NULL)
        rt_thread_startup(tid);
    else
        tc_stat(TC_STAT_END | TC_STAT_FAILED);

    return 0;
}

#ifdef RT_USING_TC
static void _tc_cleanup()
{
    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󣬽<EFBFBD><F3A3ACBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̣߳<DFB3><CCA3><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ж<EFBFBD> */
    rt_enter_critical();

    if (sem)
    {
        rt_sem_delete(sem);
        sem = RT_NULL;
    }

    /* ɾ<><C9BE><EFBFBD>߳<EFBFBD> */
    if (tid != RT_NULL && tid->stat != RT_THREAD_CLOSE)
    {
        rt_thread_delete(tid);
    }

    /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
    rt_exit_critical();

    /* <20><><EFBFBD><EFBFBD>TestCase״̬ */
    tc_done(TC_STAT_PASSED);
}

int _tc_semaphore_dynamic()
{
    /* <20><><EFBFBD><EFBFBD>TestCase<73><65><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
    tc_cleanup(_tc_cleanup);
    semaphore_dynamic_init();

    /* <20><><EFBFBD><EFBFBD>TestCase<73><65><EFBFBD>е<EFBFBD><D0B5>ʱ<EEB3A4><CAB1> */
    return 100;
}
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>finsh shell<6C><6C> */
FINSH_FUNCTION_EXPORT(_tc_semaphore_dynamic, a dynamic semaphore example);
#else
/* <20>û<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
int rt_application_init()
{
    semaphore_dynamic_init();

    return 0;
}
#endif