Labview fpga with nexys 2

hi my friends I want to know I can use labview FPGA with nexys 2 and there are some device about this FPGA (nexys 2) because we have this circuit board and we want to do the project with labview you can found some information about nexys 2 in this file and thank you for your help
Attachments:
Nexys2_rm.pdf ‏986 KB

Hello,
As this forum thread states, LabVIEW FPGA is only for the SPARTAN-3E XUP Starter Board and NI Reconfigurable I/O devices. Even though the nexys 2 is based from the Spartan 3E, we can’t be sure that the driver that we release for the Spartan 3E starter board works for the nexys 2.
Regards,
Daniel REDS
RF Systems Engineer
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LabVIEW FPGA driver for Xilinx SPARTAN 3E Starter Board

i need drivers for spartan 3E .

If you are at a university that has a site license for the FPGA module, the following might be of interest to you:
Using LabVIEW FPGA with the Xilinx SPARTAN-3E XUP Starter Kit
See also this discussion.
Quote from the license agreement:
...INSTALLATION AND USE OF THE LABVIEW FPGA TARGET MODULE FOR THE XILINX SPARTAN-3E STARTER BOARD (THE “TARGET MODULE”) IS LIMITED TO ACADEMIC INSTITUTIONS THAT HAVE A VALID, CURRENT “ACADEMIC TEACHING LICENSE” FROM NATIONAL INSTRUMENTS FOR THE LABVIEW FPGA MODULE. THIS TARGET MODULE MAY ONLY BE USED FOR INSTRUCTIONAL PURPOSES, SUBJECT TO THE TERMS AND CONDITIONS OF THE NATIONAL INSTRUMENTS SOFTWARE LICENSE AGREEMENT THAT ACCOMPANIES THE SOFTWARE...
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Can LabView FPGA module work with non-NI FPGAs?

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Christian Loew, CLA
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Problems getting started with LabVIEW FPGA

Two (probably) related questions:
1. I am trying to get started with LabVIEW FPGA, and I am having trouble using a host VI to test my FPGA VI. I started with a basic QAM modulator VI, to be run on the FPGA, and I have reached the point where I need to verify the logic and timing with this VI running on the development computer with simulated IO. I have tried various combinations of putting the code inside single-cycle timed loops vs not; putting the modulator block directly into the host VI, and using the "FPGA reference" block. When neither the host VI nor the modulator VI use a single-cycle timed loop, I see correct behavior. In every other case, the output of the VI is either absent or incorrect. I need to use a single-cycle timed loop in the FPGA VI to properly verify timing behavior (as far as I know), so the one functioning case is not enough for me.
I'm sure there is a key step I'm missing or misunderstanding, but I have not been able to figure it out myself yet. I've attached my modulator diagram as well as two different attempts at host VIs. I can share other information, but I'm not sure what is most relevant.
2. I am also trying to test a simple wrapper VI for the Xilinx FFT block, and I am having trouble accessing FIFOs inside the host VI. I thought this would be relatively straightforward, but when I tried to change the "method" on an "invoke method" block, there were no options for accessing FIFOs, as I understood there should be. This is a total roadblock for me. These two diagrams are also attached, the test diagram shows the options available to me for the "invoke method" block.
Labview 2013, PXIe-7965R, PXIe-8133 controller.
I had to combine the diagram images; in case they are hard to follow this way, see the individual images here: http://imgur.com/a/oB6OD .
Thanks in advance for any suggestions.
Attachments:
mod_all.png ‏68 KB
fft_all.png ‏52 KB

Hello Monguin61
If you are having problems reading from DMA FIFO's you should test them using a very simple code to understand their behavior. First, you could start taking a look to the linked documents:
Reading DMA FIFOs from Host VIs (FPGA Interface)
Using DMA FIFO to Develop High-Speed Data Acquisition Applications for Reconfigurable I/O Devices
FIFO.Read (Invoke Method)
Then you could test and analyze a simple example to understand how it works, for example this one: Simple DMA FIFO Example for FPGA.
Check the references when you are using DMA FIFO's, I noticed you did not connect them in the second picture attached.
Regards
Frank R.

Labview 2010 Student Edition, will it work with the Labview FPGA module and Xilinx Spartan 3E??

Just as the title states.
I did a search here on compatibility, but I am coming up short with not much to show for it.
I have Labview 2010 student edition, 32bit and 64 bit. I am trying to do a Senior Design project for my undergrad, and I am having some issues.
I was able to download the Support for the Xilinx Spartan 3E and Labview FPGA.
I install it, it runs through the unzipping process, installs, and then mysteriously I cannot find it. I have looked through my programs list and it is not listed. I open both editions of LabView and I find ABSOLUTELY NOTHING indicating that either one has ANYTHING to do with FPGA.
Did I install it wrong? Or is it just not supported in the studend version of Labview???
Can someone help me, please?

M Boat wrote:
What about the trial version? Any chance of it being on there?
I think everything is available for download, and without activation it will be in trial mode and you have about a month (?) before the trial expires.
A trial version of the FPGA module is available for download here. I have no idea if it would work with the student version.
I would recommend to talk to your local NI sales representative for advice. Good luck.
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NI 9512 with Labview FPGA Interface

Is it possible to use the NI 9512 stepper drive module with the Labview FPGA interface or is it only possible to use it with the scan interface? When I try to add the module to an FPGA target, I get an error telling me that Labview FPGA does not support this module with the current version of NI-RIO, but I have the latest version of NI-RIO installed.
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Go to Solution.

Hi RJ12,
Thank you for the info!
If this problem is holding you up you should give our Applications Engineering department a call at 866-275-6964 to discuss it. The 9076 can have some compilation compatibility issues with our motion modules so it's certainly possible you could be seeing such an error.
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RS 422 @ 8Mbit/s is it possible with Labview FPGA??

Hi,
I've to read and write data over an RS422 link at a rate of 8Mbit/s.
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Thanks a lot
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Are you sure ?
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HELP -FPGA SPARTAN 3E-100 CP132 WORKS WITH LABVIEW FPGA ?

HI EVERYBODY, IM TRYING TO USE MY FPGA BOARD WITH LABVIEW, BUT I DONT KNOW THAT IF ITS COMPATIBLE, I INSTALLED DRIVERS, FPGA MODULE, AND LABVIEW 2012, IM USING WINDOWS 7 32 BITS, AND AFTER I COMPILE ITS SAID :
LabVIEW FPGA called another software component, and that component returned the following error:
Error Code: -310601
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Please verify that the communication cable is plugged securely into your computer and target. Also verify that the appropriate drivers are installed.
THANK YOU .
=)
Solved!
Go to Solution.

Hi dvaldez2.
LabVIEW FPGA does not offer support for any third party hardware, other than the Spartan 3E XUP Starter Kit. Those are probably the drivers you downloaded.
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Can i use Handle C with the LABVIEW FPGA module?

Hi,
Can i use Handle C with the LABVIEW FPGA module? I am working with CompactRIO right now so, i want to know weather i can use Handle C with CompactRIO.Can i access FPGA in compactRIO independant of LABVIEW means can i program it without using LABVIEW?
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Hi Vishnu,
Although we don't support Handel-C directly, it is possible to design your algorithms using 3rd party tools or system integrators and consume them from a top-level LabVIEW VI. The webcast at http://zone.ni.com/wv/app/doc/p/id/wv-268 shows an example of how you can use IP from C-based tools provided by Celoxica in the LabVIEW FPGA environment.

How can I install (download) a Labview FPGA code onto Altera FPGA chip using Labview FPGA module?

Hi there
Guys i'm a very new labview user (PhD student), my project is about ( design and implementation of a high speed-yet sophisticated system using Labview environment then install this project's code (using Labview FPGA module) onto Altera-made FPGA chip).
so kindly, can any body help me in this?...is there any way to connect labview with Altera FPGA?...please anything would be said 'd be of great benifits
thanks a lot in advance.

as previously mentioned, labview fpga only supports national instruments targets utilizing xilinx fpgas. the hdl generated by labview fpga is encrypted and cannot be used to synthesize a design outside the labview fpga design flow.
however, if you must use labview for your project, it might be possible for you to design the system in labview and use one of the labview embedded modules ( http://www.ni.com/embedded )to generate c code which you can then port to systemc and compile for the altera fpga. i'm not saying it will be easy, but it should be possible.

How to import Verilog codes into LabVIEW FPGA?

I tried to import Verilog code by instantiation followed by the instruction in http://digital.ni.com/public.nsf/allkb/7269557B205B1E1A86257640000910D3,
but still I can see some errors while compiling the VI file.
Simple test Verilog file is as follows:
==============================
module andtwobits (xx, yy, zz);
input xx, yy;
output reg zz;
always @(xx,yy) begin
zz <= xx & yy;
end
endmodule
==============================
and after following up the above link, we created the instantiation file as
==============================================
library ieee;
use ieee.std_logic_1164.all;
entity mainVHDL is
port(
xxin: in std_logic;
yyin: in std_logic;
zzout: out std_logic
end mainVHDL;
architecture mainVHDL1 of mainVHDL is
COMPONENT andtwobits PORT (
zz : out std_logic;
xx : in std_logic;
yy : in std_logic);
END COMPONENT;
begin
alu : andtwobits port map(
zz => zzout,
xx => xxin,
yy => yyin);
end mainVHDL1;
==============================================
Sometimes, we observe the following error when we put the indicator on the output port,
ERROR:ConstraintSystem:58 - Constraint <INST "*ChinchLvFpgaIrq*bIpIrq_ms*" TNM =
TNM_ChinchIrq_IpIrq_ms;> [Puma20Top.ucf(890)]: INST
"*ChinchLvFpgaIrq*bIpIrq_ms*" does not match any design objects.
ERROR:ConstraintSystem:58 - Constraint <INST "*ChinchLvFpgaIrq*bIpIrq*" TNM =
TNM_ChinchIrq_IpIrq;> [Puma20Top.ucf(891)]: INST "*ChinchLvFpgaIrq*bIpIrq*"
does not match any design objects.
and interestingly, if we remove the indicator from the output port, it sucessfully compiles on the LabVIEW FPGA.
Could you take a look at and please help me to import Verilog to LabVIEW FPGA?
I've followed the basic steps of instantiation on the above link, but still it won't work.
Please find the attachment for the all files.
- andtwobits.v : original Verilog file
- andtwobits.ngc: NGC file
- andtwobits.vhd: VHD file after post-translate simulation model
- mainVHDL.vhd: instantiation main file
Since there is no example file for Verilog (there is VHDL file, but not for Verilog), it is a bit hard to do the simple execution on LabVIEW FPGA even for the examples.
Thank you very much for your support, and I'm looking forward to seeing your any help/reply as soon as possible.
Bests,
Solved!
Go to Solution.
Attachments:
attach.zip ‏57 KB

Hi,
I am facing problem in creating successfully importing VHDL wrapper file for a Verilog module,into LabVIEW FPGA using CLIP Node method. Please note that:
I am working on platform SbRIO-9606.
Labiew version used is 2011 with Xilinx 12.4 compiler tools
NI RIO 4.0 is installed
Xilinx ISE version installed in PC is also 12.4 webpack ( Though I used before Xilinx 10.1 in PC for generating .ngc file for verilog code FOR SbRIO 9642 platform, but problem remains same for both versions)
Query1. Which versions of Xilinx ISE (to be installed in PC for generating .ngc file) are compatible with Labview 2011.1(with Xilinx 12.4 Compiler tools)? Can any version be used up to 12.4?
Initially I took a basic and gate verilog example to import into LabVIEW FPGA i.e. simple_and.v and its corresponding VHDL file is SimpleAnd_Wrapper.vhd
///////////////// Verilog code of “simple_and.v”//////////////////////
module simple_and(in1, in2, out1);
   input in1,in2;
   output reg out1;
   always@( in1 or in2)
   begin
      out1 <= in1 & in2;
   end
endmodule
/////////////////VHDL Wrapper file code of “SimpleAnd_Wrapper.vhd” //////////////////////
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
ENTITY SimpleAnd_Wrapper IS
    port (
        in1    : in std_logic;
        in2    : in std_logic;
        out1   : out std_logic
END SimpleAnd_Wrapper;
ARCHITECTURE RTL of SimpleAnd_Wrapper IS
component simple_and
   port(
         in1    : in std_logic;
         in2    : in std_logic;
         out1   : out std_logic
end component;
BEGIN
simple_and_instant: simple_and
   port map(
            in1 => in1,
            in2 => in2,
            out1 => out1
END RTL;
Documents/tutorials followed for generating VHDL Wrapper file for Verilog core are:
NI tutorial “How do I Integrate Verilog HDL with LabView FPGA module”. Link is http://digital.ni.com/public.nsf/allkb/7269557B205B1E1A86257640000910D3
In this case, I did not get any vhdl file after “post-translate simulation model step” in netlist project using simple_and.ngc file previously generated through XST. Instead I got was simple_and_translate.v.
Query2. Do I hv to name tht “v” file into “simple_and.vhd”?? Anyways it did not work both ways i.e. naming it as “simple_and with a “v” or “vhd” extension. In end I copied that “simple_and.v” post translate model file, “simple_and.ngc”, and VHDL Wrapper file “SimpleAnd_Wrapper.vhd” in the respective labview project directory.
Query3. The post-translate model file can also be generated by implementing verilog simple_and.v file, so why have to generate it by making a separate netlist project using “simple_and.ngc” file? Is there any difference between these two files simple_and_translate.v generated through separate approaches as I mentioned?
2. NI tutorial “Using Verilog Modules in a Component-Level IP Design”. Link is https://decibel.ni.com/content/docs/DOC-8218.
In this case, I generated only “simple_and.ngc” file by synthesizing “simple_and.v “file using Xilinx ISE 12.4 tool. Copied that “simple_and.ngc” and “SimpleAnd_Wrapper.vhd” file in the same directory.
Query4. What is the difference between this method and the above one?
2. I followed tutorial “Importing External IP into LABVIEW FPGA” for rest steps of creating a CLIP, declaring it and passing data between CLIP and FPGA VI. Link is http://www.ni.com/white-paper/7444/en. This VI executes perfectly on FPGA for the example”simple_and.vhd” file being provided in this tutorial.
Compilation Errors Warnings received after compiling my SimpleAnd_Wrapper.vhd file
Elaborating entity <SimpleAnd_Wrapper> (architecture <RTL>) from library <work>.
WARNING:HDLCompiler:89"\NIFPGA\jobs\WcD1f16_fqu2nOv\SimpleAnd_Wrapper.vhd"    Line 35: <simple_and> remains a black-box since it has no binding entity.
2. WARNING:NgdBuild:604 - logical block 'window/theCLIPs/Component_ dash_Level _IP_ CLIP0/simple_and_instant' with type   'simple_and' could not be resolved. A pin name misspelling can cause this, a missing edif or ngc file, case mismatch between the block name and the edif or ngc file name, or the misspelling of a type name. Symbol 'simple_and' is not supported in target 'spartan6'.
3. ERROR:MapLib:979 - LUT6 symbol   "window/theVI/Component_dash_Level_IP_bksl_out1_ind_2/PlainIndicator.PlainInd icator/cQ_0_rstpot" (output signal=window/theVI/ Component_dash_Level _IP_bksl_out1_ ind_2/PlainIndicator.PlainIndicator/cQ_0_rstpot) has input signal "window/internal_Component_dash_Level_IP_out1" which will be trimmed. SeeSection 5 of the Map Report File for details about why the input signal willbecome undriven.
Query5. Where lays that “section5” of map report? It maybe a ridiculous question, but sorry I really can’t find it; maybe it lays in xilnx log file!
4. ERROR:MapLib:978 - LUT6 symbol "window/theVI/Component_dash_Level_IP_bksl_ out1_ind_2/PlainIndicator.PlainIndicator/cQ_0_rstpot" (output signal= window / theVI/Component_dash_Level_IP_bksl_out1_ind_2/PlainIndicator.PlainIndicator/ cQ_0_rstpot) has an equation that uses input pin I5, which no longer has a connected signal. Please ensure that all the pins used in the equation for this LUT have signals that are not trimmed (see Section 5 of the Map Report File for details on which signals were trimmed). Error found in mapping process, exiting.Errors found during the mapping phase. Please see map report file for more details. Output files will not be written.
Seeing these errors I have reached the following conclusions.
There is some problem in making that VHDL Wrapper file, LabVIEW does not recognize the Verilog component instantiated in it and treat it as unresolved black box.
Query6. Is there any step I maybe missing while making this VHDL wrapper file; in my opinion I have tried every possibility in docs/help available in NI forums?
2. Query7. Maybe it is a pure Xilinx issue i.e. some sort of library conflict as verilog module is not binding to top VHDL module as can be seen from warning HDLCompiler89. If this is the case then how to resolve that library conflict? Some hint regarding this expected issue has been given in point 7 of tutorial “How do I Integrate Verilog HDL with LabView FPGA module”. http://digital.ni.com/public.nsf/allkb/7269557B205B1E1A86257640000910D3. But nothing has been said much about resolving that issue.
3. Because of this unidentified black box, the whole design could not be mapped and hence could not be compiled.
P.S.
I have attached labview project zip folder containing simple_translate.v, simple_and_verilog.vi file,SimpleAnd_Wrapper.xml, Xilinx log file after compilation alongwith other files. Kindly analyze and help me out in resolving this basic issue.
Please note that I have made all settings regarding:
Unchecked add I/O buffers option in XST of Xilinx ISE 12.4 project
Have set “Pack I/O Registers into IOBs” to NO in XST properties of project.
Synchronization registers are also set to zero by default of all CLIP I/O terminals.
Please I need speedy help.Thanking in you in anticipation.
Attachments:
XilinxLog.txt ‏256 KB
labview project files.zip ‏51 KB

Labview FPGA for beginners.

Hello.
I have no idea what labview is and how to work with this. I have had some experience with Xilinx 12.1 EDK (microblaze and VHDL).
I tried to install labview and labview fpga module. It asked for some drivers and I continued, the program said that it will ask for the drivers later.
But, beside that, do you have any training flow to suggest? Should I start with labview or is it not necessary? After that, should I start with CVI or FPGA? I am confused. Any help is welcomed!
Thanks,
Bill.

See this video's to get start with labVIEW and more video's you can find in youtube. Also, get in touch with forum especially about FPGA questions or read the history question targeting to your design area.
http://zone.ni.com/devzone/cda/tut/p/id/7466
I never use FPGA codes or concepts in labVIEW but I am looking to learn now.

Labview FPGA called another software component

Hi
I am trying to compile my FPGA code which has previously compiled. I get this error.
"Labview FPGA called another software component, and that component returned the following error:
Error Code: -52009
NI Platform Services: The requested resource has been marked for deletion and is rejecting new requests."
What is this error code?

Hi,
I've been looking in to this for you today - unfortunately, that seems to be a really rare error code which doesn't come up very often on our systems, so there's no quick fix that I can find.
A couple of options:
1) Have you made any changes to the code recently, in terms of updating it from an earlier version of LabVIEW? If so, it may be worth mass compiling your project up to the latest version in case there are references to software components which no longer exist.
2) It's probably worth a try repairing your LabVIEW, FPGA and RIO drivers installations from disk, as described here: http://digital.ni.com/public.nsf/allkb/FE6B641E86E55AF2862576DE00038001?OpenDocument
This could be due to some kind of missing or corrupted component in, for example, the Xilinx Tools
3) Are you referencing any kind of external software, such as DLLs or third party instruments, in your file?
4) What hardware are you using?
Please let me know how you get on with these queries.
Best wishes,
Chiara A
Applications Engineer with NI UK & Ireland

Labview FPGA 1.0 or 1.1

Hi.
Does anyone have an evaluation version of LabVIEW FPGA 1.0 or 1.1 ?

Hi lukasdev,
Do I undesrtand it right that you are searching for an old version of FPGA module to LabVIEW? If I'm right, unfortunately I can't help you with providing this. Can you please share some details for which project you need LabVIEW FPGA? Hopefully I will be able to help you some other way.
Thank you, regards
Jakub Prokeš
NIEE Aplications Engineer

LabVIEW FPGA PMW modulation for L298n H-bridge

Hello to everyone,
I am new in LabVIEW FPGA programing and I have a couple questions, so I would be grateful if you could answer me. For my final work I have to control the speed and direction of DC motor using sb-RIO 9636 and H-bridge L298n. In attachments you can find scheme of the H- bridge and my program. I have conected In1(pin 5 of L298n) to digital pin 1 of the card, In2(pin 7 of L298n) to digital pin 2 of the card and changing the state of the pin I change the direction of the motor(I know that the one In should be Low and the other High so the motor can rotate in one or the other direction). PWM(Enable pin of the L298n pin 6) I have conected to DIO3.
PWM signal I cretaed is shown in picture.
My questions are:
1.Will loop timer I used, provide that period of signal is lenght I specify in the control(for example if I put 20 000 will the period be 20000 s)?
2. Can I vary the duty cycle changing the control Waiting (DIO3 is HIGH for a couple of us, then it sets LOW, and then all that repeats )?
3. Earlier I thaugt that PWM signal I should send in both IN1 and IN2, and that the Enable pin is used to stop or start the motor. I tried that and the motor was rotating different speed, and I could stop or star the motor with enable pin, sending it HIGH OR LOW, but I could not change the direction of the motor. So my other option was to conect the pins as I explained at the begining. My question is: Should I PWM conect to the enable pin, and will thah work?
Thank you

I found a couple of resources that deal with PWM on the FPGA and motor control - they might be helpful to reference as you look for answers to your questions.
Developing a PWM Interface using LabVIEW FPGA
http://www.ni.com/white-paper/3254/en/
CompactRIO Motor Control Basics Tutorial
http://www.ni.com/pdf/labview/us/compactrio_motor_control_basics.pdf
PWM Output With LabVIEW FPGA
http://www.ni.com/example/26499/en/

Labview fpga with nexys 2

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