FIFO Functions

LabVIEW 2017 FPGA Module Help

Edition Date: March 2017

Part Number: 371599N-01

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Owning Palette: Synchronization Functions

Requires: FPGA Module. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the FIFO Method Node with the Read and Write methods to transfer data from one loop to another using FIFOs in an FPGA VI, such as among single-cycle Timed Loops. You also can use the Write method to transfer data to host VIs using a DMA FIFO.

Note  This palette is specific to FPGA targets and contains a subset of the VIs and functions that are on this palette when you edit a host VI.

The VIs and functions on this palette can return general LabVIEW error codes, specific FPGA Module error codes, or error codes specific to the FPGA target.

Palette ObjectDescription
FIFO ConstantUse the FIFO constant to specify a FIFO item on the block diagram.
FIFO Method NodeInvokes a FIFO method on an FPGA VI. You must specify a FIFO before specifying a method. The available methods vary depending on the FPGA target and the type of FIFO.
VI-Defined FIFO ConfigurationRepresents a VI-defined FIFO. Right-click the node and select Configure to configure the VI-defined FIFO.

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