queue. h

uint32_t queue_get_waiting( const queue_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.

queue. h

uint32_t queue_get_available( const queue_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.