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

/*
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>嵥<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᴴ<EFBFBD><EFBFBD>3<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD>̣߳<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>̻߳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>̻߳ᶨʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * Ϣ<EFBFBD><EFBFBD><EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>̻߳ᶨʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD><EFBFBD>з<EFBFBD><EFBFBD>ͽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>
 */
#include <rtthread.h>
#include "tc_comm.h"

/* ָ<><D6B8><EFBFBD>߳̿<DFB3><CCBF>ƿ<EFBFBD><C6BF><EFBFBD>ָ<EFBFBD><D6B8> */
static rt_thread_t tid1 = RT_NULL;
static rt_thread_t tid2 = RT_NULL;
static rt_thread_t tid3 = RT_NULL;

/* <20><>Ϣ<EFBFBD><CFA2><EFBFBD>п<EFBFBD><D0BF>ƿ<EFBFBD> */
static struct rt_messagequeue mq;
/* <20><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><C3B5>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD> */
static char msg_pool[2048];

/* <20>߳<EFBFBD>1<EFBFBD><31><EFBFBD>ں<EFBFBD><DABA><EFBFBD> */
static void thread1_entry(void* parameter)
{
    char buf[128];

    while (1)
    {
        rt_memset(&buf[0], 0, sizeof(buf));

        /* <20><><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD><EFBFBD><EFBFBD><EFBFBD>Ϣ */
        if (rt_mq_recv(&mq, &buf[0], sizeof(buf), RT_WAITING_FOREVER) == RT_EOK)
        {
            rt_kprintf("thread1: recv msg from message queue, the content:%s\n", buf);
        }

        /* <20>ӳ<EFBFBD>10<31><30>OS Tick */
        rt_thread_delay(10);
    }
}

/* <20>߳<EFBFBD>2<EFBFBD><32><EFBFBD>ں<EFBFBD><DABA><EFBFBD> */
static void thread2_entry(void* parameter)
{
    int i, result;
    char buf[] = "this is message No.x";

    while (1)
    {
        for (i = 0; i < 10; i++)
        {
            buf[sizeof(buf) - 2] = '0' + i;

            rt_kprintf("thread2: send message - %s\n", buf);
            /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
            result = rt_mq_send(&mq, &buf[0], sizeof(buf));
            if ( result == -RT_EFULL)
            {
                /* <20><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ӳ<EFBFBD>1sʱ<73><CAB1> */
                rt_kprintf("message queue full, delay 1s\n");
                rt_thread_delay(100);
            }
        }

        /* <20><>ʱ10<31><30>OS Tick */
        rt_thread_delay(10);
    }
}

/* <20>߳<EFBFBD>3<EFBFBD><33><EFBFBD>ں<EFBFBD><DABA><EFBFBD> */
static void thread3_entry(void* parameter)
{
    char buf[] = "this is an urgent message!";

    while (1)
    {
        rt_kprintf("thread3: send an urgent message\n");

        /* <20><><EFBFBD>ͽ<EFBFBD><CDBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
        rt_mq_urgent(&mq, &buf[0], sizeof(buf));

        /* <20><>ʱ25<32><35>OS Tick */
        rt_thread_delay(25);
    }
}

int messageq_simple_init()
{
    /* <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD> */
    rt_mq_init(&mq, "mqt",
               &msg_pool[0],        /* <20>ڴ<EFBFBD><DAB4><EFBFBD>ָ<EFBFBD><D6B8>msg_pool */
               128 - sizeof(void*), /* ÿ<><C3BF><EFBFBD><EFBFBD>Ϣ<EFBFBD>Ĵ<EFBFBD>С<EFBFBD><D0A1> 128 - void* */
               sizeof(msg_pool),    /* <20>ڴ<EFBFBD><DAB4>صĴ<D8B5>С<EFBFBD><D0A1>msg_pool<6F>Ĵ<EFBFBD>С */
               RT_IPC_FLAG_FIFO);   /* <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>̵߳ȴ<CCB5><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵõ<C8B5><C3B5>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ */

    /* <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>1 */
    tid1 = rt_thread_create("t1",
                            thread1_entry, RT_NULL, /* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread1_entry, <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
    if (tid1 != RT_NULL)
        rt_thread_startup(tid1);
    else
        tc_stat(TC_STAT_END | TC_STAT_FAILED);

    /* <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>2 */
    tid2 = rt_thread_create("t2",
                            thread2_entry, RT_NULL, /* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread2_entry, <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
    if (tid2 != RT_NULL)
        rt_thread_startup(tid2);
    else
        tc_stat(TC_STAT_END | TC_STAT_FAILED);

    /* <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>3 */
    tid3 = rt_thread_create("t3",
                            thread3_entry, RT_NULL, /* <20>߳<EFBFBD><DFB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>thread2_entry, <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>RT_NULL */
                            THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
    if (tid3 != RT_NULL)
        rt_thread_startup(tid3);
    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();

    /* ɾ<><C9BE><EFBFBD>߳<EFBFBD> */
    if (tid1 != RT_NULL && tid1->stat != RT_THREAD_CLOSE)
        rt_thread_delete(tid1);
    if (tid2 != RT_NULL && tid2->stat != RT_THREAD_CLOSE)
        rt_thread_delete(tid2);
    if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
        rt_thread_delete(tid3);

    /* ִ<><D6B4><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
    rt_mq_detach(&mq);

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

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

int _tc_messageq_simple()
{
    /* <20><><EFBFBD><EFBFBD>TestCase<73><65><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD> */
    tc_cleanup(_tc_cleanup);
    messageq_simple_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_messageq_simple, a simple message queue example);
#else
/* <20>û<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
int rt_application_init()
{
    messageq_simple_init();

    return 0;
}
#endif