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Gets various properties associated with the selected FIFO.

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FIFO Reader and Writer in

A reference to the FIFO whose properties will be accessed.

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FIFO Reader and Writer out

A reference to the FIFO.

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used elements

The number of elements currently stored in the FIFO.

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full threshold met?

A Boolean that determines if the 'full threshold' configured for this FIFO has been met, and if too few empty elements are available for writing.

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free elements

The number of unused elements contained in this FIFO.

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empty threshold met?

A Boolean that determines if the 'empty threshold' of this FIFO has been met, and if too few elements are available for reading.