uxQueueMessagesWaiting

queue.

h

unsigned portBASE_TYPE uxQueueMessagesWaiting( const xQueueHandle xQueue );

Return the number of messages stored in a queue.

Parameters

xQueue

A handle to the queue being queried.

Returns

The number of messages available in the queue.

h

UBaseType_t uxQueueMessagesWaiting( const QueueHandle_t xQueue );

Return the number of messages stored in a queue.

Parameters

xQueue

A handle to the queue being queried.

Returns

The number of messages available in the queue.

h

UBaseType_t uxQueueSpacesAvailable( const QueueHandle_t xQueue );

Return the number of free spaces available in a queue. This is equal to the number of items that can be sent to the queue before the queue becomes full if no items are removed.

Parameters

xQueue

A handle to the queue being queried.

Returns

The number of spaces available in the queue.