DMA FIFO of FPGA compilation error

Hello

I have a cRIO 9074 with FPGA. I tried a simple piece of code to learn how to acquire the data that is generated on the FPGA at a rate of 10 KHz and transfer it to the host VI to treat later in offline mode. However, I meet this compilation error when you compile the FPGA VI base containing a node to write FIFO (photo of the VI attached below). In compiling the report, it is said that there are 256 RAM Block used (the total number is 40), so an error has occurred. The error notification of exact compilation from Xilinx report is reproduced below:

# From the PAM program

# o toplevel_gen_map.ncd - intstyle xflow-calendar toplevel_gen.ngd map

toplevel_gen. FCP

#----------------------------------------------#

"Target part using" 3s2000fg456-4 ".

Design of mapping in the lut...

Guided running of packaging...

Running based on the delay of packaging of LUT...

ERRORack:2310 - type compositions "RAMB16" too found to adapt to this device.

ERROR: card: 115 - the design is too large to fit the device.  Please consult the Design summary section to see what resource requirements for your design exceeds the resources available in the device. Note that the number of slices don't notice it that their packaging could not be completed accurately.

NOTE: A file NCD will be always generated to allow you to examine the mapped design.  This file is intended for evaluation use only and will not be processed successfully by means of BY.

Mapping performed.

See the report of map file "toplevel_gen_map.mrp" for more details.

Problem encountered during the packaging phase.

Summary of design

--------------

Error number: 2

Number of warnings: 125

ERROR: Xflow - card program returned the error 2 code. Aborting the workflow execution...

Bitstream not created

Time history analysis

What does that mean? How can I fix this error?

Thank you

Bogdan

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Hey,.

Have you already tried to reduce the size of the FIFO memory?

Christian

Tags: NI Software

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