QueueDefinition::uxItemSize - syntax, references, description

References

Location	Referrer	Text
queue.c:113		UBaseType_t uxItemSize; /< The size of each items that the queue will hold. /
queue.c:263	xQueueGenericReset()	pxQueue->u.xQueue.pcTail = pxQueue->pcHead + ( pxQueue->uxLength * pxQueue->uxItemSize ); /lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. /
queue.c:266	xQueueGenericReset()	pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead + ( ( pxQueue->uxLength - 1U ) * pxQueue->uxItemSize ); /lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. /
queue.c:445	prvInitialiseNewQueue()	pxNewQueue->uxItemSize = uxItemSize;
queue.c:747	xQueueGenericSend()	configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
queue.c:957	xQueueGenericSendFromISR()	configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
queue.c:1128	xQueueGiveFromISR()	configASSERT( pxQueue->uxItemSize == 0 );
queue.c:1288	xQueueReceive()	configASSERT( !( ( ( pvBuffer ) == NULL ) && ( ( pxQueue )->uxItemSize != ( UBaseType_t ) 0U ) ) );
queue.c:1433	xQueueSemaphoreTake()	configASSERT( pxQueue->uxItemSize == 0 );
queue.c:1648	xQueuePeek()	configASSERT( !( ( ( pvBuffer ) == NULL ) && ( ( pxQueue )->uxItemSize != ( UBaseType_t ) 0U ) ) );
queue.c:1792	xQueueReceiveFromISR()	configASSERT( !( ( pvBuffer == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
queue.c:1884	xQueuePeekFromISR()	configASSERT( !( ( pvBuffer == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) );
queue.c:1885	xQueuePeekFromISR()	configASSERT( pxQueue->uxItemSize != 0 ); /* Can't peek a semaphore. */
queue.c:2083	prvCopyDataToQueue()	if( pxQueue->uxItemSize == ( UBaseType_t ) 0 )
queue.c:2102	prvCopyDataToQueue()	( void ) memcpy( ( void * ) pxQueue->pcWriteTo, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /lint !e961 !e418 !e9087 MISRA exception as the casts are only redundant for some ports, plus previous logic ensures a null pointer can only be passed to memcpy() if the copy size is 0. Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. /
queue.c:2103	prvCopyDataToQueue()	pxQueue->pcWriteTo += pxQueue->uxItemSize; /lint !e9016 Pointer arithmetic on char types ok, especially in this use case where it is the clearest way of conveying intent. /
queue.c:2115	prvCopyDataToQueue()	( void ) memcpy( ( void * ) pxQueue->u.xQueue.pcReadFrom, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /lint !e961 !e9087 !e418 MISRA exception as the casts are only redundant for some ports. Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. Assert checks null pointer only used when length is 0. /
queue.c:2116	prvCopyDataToQueue()	pxQueue->u.xQueue.pcReadFrom -= pxQueue->uxItemSize;
queue.c:2119	prvCopyDataToQueue()	pxQueue->u.xQueue.pcReadFrom = ( pxQueue->u.xQueue.pcTail - pxQueue->uxItemSize );
queue.c:2155	prvCopyDataFromQueue()	if( pxQueue->uxItemSize != ( UBaseType_t ) 0 )
queue.c:2157	prvCopyDataFromQueue()	pxQueue->u.xQueue.pcReadFrom += pxQueue->uxItemSize; /lint !e9016 Pointer arithmetic on char types ok, especially in this use case where it is the clearest way of conveying intent. /
queue.c:2166	prvCopyDataFromQueue()	( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.xQueue.pcReadFrom, ( size_t ) pxQueue->uxItemSize ); /lint !e961 !e418 !e9087 MISRA exception as the casts are only redundant for some ports. Also previous logic ensures a null pointer can only be passed to memcpy() when the count is 0. Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. /