/**
*******************************************************************************
* @brief Create a semaphore
* @param[in] initCnt Semaphore valid counter.
* @param[in] maxCnt Semaphore max initialize counter.
* @param[in] sortType Semaphore sort type.
* @param[out] None
* @retval E_CREATE_FAIL Create semaphore fail.
* @retval others Create semaphore successful.
*
* @par Description
* @details This function is called to create a semaphore.
*******************************************************************************
*/
OS_EventID CoCreateSem(U16 initCnt,U16 maxCnt,U8 sortType)
{
P_ECB pecb;
#if CFG_PAR_CHECKOUT_EN >0
if(initCnt > maxCnt)
{
return E_CREATE_FAIL; /* Invalid 'initCnt' or 'maxCnt' */
}
if ((sortType != EVENT_SORT_TYPE_FIFO) && (sortType != EVENT_SORT_TYPE_PRIO))
{
return E_CREATE_FAIL; /* Illegal sort type,return error */
}
#endif
/* Create a semaphore type event control block */
pecb = CreatEvent(EVENT_TYPE_SEM,sortType,Co_NULL);
if(pecb == Co_NULL) /* If failed to create event block */
{
return E_CREATE_FAIL;
}
pecb->eventCounter = initCnt;/* Initialize event block */
pecb->initialEventCounter = maxCnt;
return (pecb->id); /* Return event id */
}
/**
*******************************************************************************
* @brief Create a mailbox
* @param[in] sortType Mail box waiting list sort type.
* @param[out] None
* @retval E_CREATE_FAIL Create mailbox fail.
* @retval others Create mailbox successful.
*
* @par Description
* @details This function is called to create a mailbox.
* @note
*******************************************************************************
*/
OS_EventID CoCreateMbox(U8 sortType)
{
P_ECB pecb;
/* Create a mailbox type event control block */
pecb = CreatEvent(EVENT_TYPE_MBOX,sortType,NULL);
if(pecb == NULL) /* If failed to create event block */
{
return E_CREATE_FAIL;
}
pecb->eventCounter = 0;
return (pecb->id); /* Create a mailbox successfully, return event ID */
}
/**
*******************************************************************************
* @brief Create a queue
* @param[in] qStart Pointer to mail pointer buffer.
* @param[in] size The length of queue.
* @param[in] sortType Mail queue waiting list sort type.
* @param[out] None
* @retval E_CREATE_FAIL Create queue fail.
* @retval others Create queue successful.
*
* @par Description
* @details This function is called to create a queue.
* @note
*******************************************************************************
*/
OS_EventID CoCreateQueue(void **qStart, U16 size ,U8 sortType)
{
U8 i;
P_ECB pecb;
#if CFG_PAR_CHECKOUT_EN >0
if((qStart == NULL) || (size == 0))
{
return E_CREATE_FAIL;
}
#endif
OsSchedLock();
for(i = 0; i < CFG_MAX_QUEUE; i++)
{
/* Assign a free QUEUE control block */
if((QueueIDVessel & (1u << i)) == 0)
{
QueueIDVessel |= (1u<<i);
OsSchedUnlock();
QueueTbl[i].qStart = qStart; /* Initialize the queue */
QueueTbl[i].id = i;
QueueTbl[i].head = 0;
QueueTbl[i].tail = 0;
QueueTbl[i].qMaxSize = size;
QueueTbl[i].qSize = 0;
/* Get a event control block and initial the event content */
pecb = CreatEvent(EVENT_TYPE_QUEUE,sortType,&QueueTbl[i]);
if(pecb == NULL ) /* If there is no free EVENT control block*/
{
return E_CREATE_FAIL;
}
return (pecb->id);
}
}
OsSchedUnlock();
return E_CREATE_FAIL; /* There is no free QUEUE control block */
}
