UINT32 Example_MsgQueue(void)
{
UINT32 uwRet = 0;
UINT32 uwTask1, uwTask2;
TSK_INIT_PARAM_S stInitParam1;
/*创建任务1*/
stInitParam1.pfnTaskEntry = send_Entry;
stInitParam1.usTaskPrio = 9;
stInitParam1.uwStackSize = 0x200;
stInitParam1.pcName = "sendQueue";
stInitParam1.uwResved = LOS_TASK_STATUS_DETACHED;
LOS_TaskLock();//锁住任务，防止新创建的任务比本任务高而发生调度
uwRet = LOS_TaskCreate(&uwTask1, &stInitParam1);
if(uwRet != LOS_OK)
{
dprintf("create task1 failed!,error:%x\n",uwRet);
return uwRet;
}
/*创建任务2*/
stInitParam1.pfnTaskEntry = recv_Entry;
uwRet = LOS_TaskCreate(&uwTask2, &stInitParam1);
if(uwRet != LOS_OK)
{
dprintf("create task2 failed!,error:%x\n",uwRet);
return uwRet;
}
/*创建队列*/
uwRet = LOS_QueueCreate("queue", 5, &g_uwQueue, 0, 24);
if(uwRet != LOS_OK)
{
dprintf("create queue failure!,error:%x\n",uwRet);
}
dprintf("create the queue success!\n");
LOS_TaskUnlock();//解锁任务，只有队列创建后才开始任务调度
return LOS_OK;
}
osMessageQueueId_t osMessageQueueNew (uint32_t msg_count, uint32_t msg_size, const osMessageQueueAttr_t *attr)
{
UINT32 uwQueueID;
UINT32 uwRet;
UNUSED(attr);
osMessageQueueId_t handle;
if(0 == msg_count || 0 == msg_size || OS_INT_ACTIVE)
{
return (osMessageQueueId_t)NULL;
}
uwRet = LOS_QueueCreate((char *)NULL, (UINT16)msg_count, &uwQueueID, 0,(UINT16)msg_size);
if (uwRet == LOS_OK)
{
handle = (osMessageQueueId_t)(GET_QUEUE_HANDLE(uwQueueID));
}
else
{
handle = (osMessageQueueId_t)NULL;
}
return handle;
}
