User`s guide

Queue

5-353

5Queue

Purpose Store inputs in a FIFO register.

Library Signal Management / Buffers

Description The Queue block stores a sequence of input samples in a FIFO (first in, first

out) register. The register capacity is set by the

inputs can be scalars, vectors, or matrices.

The block pushes the input at the

In port onto the end of the queue when a

trigger event is received at the

Push port. When a trigger event is received at

the

Pop port, the block pops the first element off the queue and holds the Out

port at that value. The first input to be pushed onto the queue is always the

first to be popped off.

A trigger event at the optional

Clr port (enabled by the Clear input check box)

empties the queue contents. If

Clear output port on reset is selected, then a

trigger event at the

Clr port empties the queue and sets the value at the Out

port to zero. This setting also applies when a disabled subsystem containing

Pushing the queue

empty

first in

empty

first out

Popping the queue

empty