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TSK_HANDLE_T  g_uwTskLoID;
TSK_HANDLE_T g_uwTskHiID;
#define TSK_PRIOR_HI 4
#define TSK_PRIOR_LO 5

/*高优先级任务入口函数*/
UINT32 Example_TaskHi()
{
    ...
}

/*低优先级任务入口函数*/
UINT32 Example_TaskLo()
{
    ...
}

/*任务测试入口函数，在里面创建优先级不一样的两个任务*/
UINT32 Example_TskCaseEntry(VOID)
{
    UINT32 uwRet;
    /*任务初始化结构体*/
    TSK_INIT_PARAM_S stInitParam;

    /*锁任务调度，可以在Lock与UnLock区间内创建具体任务*/
    LOS_TaskLock();

    printf("LOS_TaskLock() Success!\r\n");

    /*高优先级任务创建参数*/
    stInitParam.pfnTaskEntry = (TSK_ENTRY_FUNC)Example_TaskHi;
    stInitParam.usTaskPrio = TSK_PRIOR_HI;
    stInitParam.pcName = "HIGH_NAME";
    stInitParam.uwStackSize = 0x400;
    stInitParam.uwResved   = LOS_TASK_STATUS_DETACHED;
    /*创建高优先级任务，由于锁任务调度，任务创建成功后不会马上执行*/
    uwRet = LOS_TaskCreate(&g_uwTskHiID, &stInitParam);
    if (uwRet != LOS_OK)
    {
        LOS_TaskUnlock();
 
        printf("Example_TaskHi create Failed!\r\n");
        return LOS_NOK;
    }

    printf("Example_TaskHi create Success!\r\n");

    /*低优先级任务创建参数*/
    stInitParam.pfnTaskEntry = (TSK_ENTRY_FUNC)Example_TaskLo;
    stInitParam.usTaskPrio = TSK_PRIOR_LO;
    stInitParam.pcName = "LOW_NAME";
    stInitParam.uwStackSize = 0x400;
    stInitParam.uwResved   = LOS_TASK_STATUS_DETACHED;
    /*创建低优先级任务，由于锁任务调度，任务创建成功后不会马上执行*/
    uwRet = LOS_TaskCreate(&g_uwTskLoID, &stInitParam);
    if (uwRet != LOS_OK)
    {
        LOS_TaskUnlock();

        printf("Example_TaskLo create Failed!\r\n");
        return LOS_NOK;
    }

    printf("Example_TaskLo create Success!\r\n");

    /*解锁任务调度，此时会发生任务调度，执行就绪列表中最高优先级任务*/
    LOS_TaskUnlock();

    while(1){};

    return LOS_OK;
}