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Bharath Venkataraman

Last seen: 4 days ago |  Active since 2013

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Answered
How to use the FFT block of Vitis Model Composer
"Vitis Model Composer" is a third-party blockset provided by Xilinx, so it is best to reach out to Xilinx technical support if y...

7 days ago | 0

Answered
Remainder of a division operation in System Generator
When you say "running value", what is the range of the update value? If the initial value can be set to the proper range of 0 to...

10 days ago | 0

Answered
How to read a vectore in worksapce as a signal in Simulink with variable starting index
I suggest using the MATLAB Function block for the index calculation. You can use the initial index and then compute the new inde...

1 month ago | 0

Answered
Blocks for HDL Code generation
If you type hdllib on at the MATLAB command line, the Simulink library browser will show you the list of blocks supported for HD...

2 months ago | 1

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Answered
Display images on video viewer in simulink in for loop
It would help to have a sample model (a simple one showing the problem will suffice). If you wish to view the intermediate resu...

5 months ago | 0

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Answered
Atan2 block native floating point single HDL generation needs more pipelining
I am glad that using the Complex to Magnitude Angle block worked out for you. Adding that option as an answer in case others run...

6 months ago | 0

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Answered
how to implement this function in fixed point and generate the hdl code for the function?
For HDL, you will need to implement this in a streaming fashion. lease take a look at the FFT Streaming model provided in this e...

6 months ago | 0

Answered
Parallelise data coming out of RAM Simulink
What kind of processing do you want to do on the 512-element array? For an HDL implementation, it makes sense to work on a singl...

7 months ago | 0

Answered
Downsampling using MATLAB Simulink for an input signal
You can use the Downsample block with Scalar input in DSP System Toolbox. As Walter points out, you can also use the HDL Optimi...

7 months ago | 0

Answered
signal over lapping in Down sampler output for ZYNQ FPGA
Are you trying to implement a chaneelizer? If so, here is the behavioral version in DSP System Toolbox and its HDL equivalent.

8 months ago | 0

Answered
difference in column based and element based decimated output of a down sampler
Muhammad, I assume that you are doing this as a multirate system in the FPGA. To mimic that behavior, send in scalar input to th...

8 months ago | 0

Answered
Difference in the output of CIC decimator while using with unbuffer and without unbuffer
Could you please provide a model that shows this behavior (you may want to try it using a fixed known input first)? Are you sen...

8 months ago | 0

Answered
How do I generate HDL Code for my model that has frame based communication in Simulink HDL Coder 2.1 (R2011a)?
I have one clarification on your question. When you say "frame based communication" - are you referring to processing multiple s...

8 months ago | 0

Answered
Different CIC decimator Response in normal simulation and FPGA implementation
It would be helpful to see your model - are you using the CIC Decimation block? Did you build your own? Have you tired using the...

8 months ago | 0

Answered
Vision HDL Toolbox Support - available inputs
Currently, the only way to do it live with the Vision HDL Toolbox Support Package for Xilinx Zynq is with the FMC + HDMI camera....

8 months ago | 0

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Answered
Error message "Found unsupported dimensions on matrix type at input port: 0" has occurred while generating HDL(Verilog) Code from matlab algorithm.
It would be helpful to see the code (at least at the high level of the testbench and top level design). For conversion to HDL, y...

8 months ago | 0

Answered
Xilinx System Generator error with storage container type
Hi George, Xilinx System Generator is not a MathWorks product. I recommend reaching out directly to Xilinx for troubleshooting ...

8 months ago | 0

Answered
Vision HDL Toolbox Support - available inputs
You can capture the video onto your computer and use the Vision HDL Toolbox model with a video source. This is shown in this Vi...

8 months ago | 0

Answered
How to generate verilog code for thisbelow function using HDL coder?
You can use the real divide hdl optimized block. Other options include the reciprocal block followed by a multiply or the divide...

8 months ago | 0

Answered
Unable to run HDL QPSK Transmitter and Receive
You need DSP HDL Toolbox to run this example. Please reach out to support to see why you do not have access to this product.

9 months ago | 0

Answered
AD936x Receiver Transmitter blocks missing in Simulink library
Running the command "which zynqRadioQPSKRxAD9361AD9364SL" should show you where the Simulink model lives in your installation. T...

9 months ago | 0

Answered
Code Generation for d flipflop
Do you really need to model the D Flip Flop (especially the clock)? If not, I suggest using the Delay block (with enable if you ...

9 months ago | 0

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Answered
Error evaluating 'InitFcn' callback of block_diagram 'hdlcoder_lteofdm_modDetect'. Callback string is 'simParams = hdlcoder_lteofdm_modDetectref_init; simParams = hdlcoder_lteofdm_modDetecthdl_init(simParams);
As John mentioned in the comments, the function mentioned in the Diagnosic Viewer, lteTestModel, is a function in the LTE Toolbo...

10 months ago | 0

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Answered
Enable Not Working on Synchronous Subsystem
The synchronous state control behaves exactly like the HDL would, doing a divide by zero because the reciprocal block is a combi...

10 months ago | 0

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Answered
Test bench can't work for some 'entity' are not compiled in library 'xil_defaultlib'.
System Generator is a third-party blockset provided by Xilinx. For any further questions, please contact Xilinx technical suppor...

11 months ago | 0

Answered
Dose HDL coder generate Verilog HDL-1995 verision or Verilog HDL-2001 version？
HDL Coder generates HDL code compliant with Verilog-2001. https://www.mathworks.com/help/hdlcoder/gs/language-and-tool-version-...

11 months ago | 1

Answered
How to get fractional delay filter in vhdl using matlab 2021a.
You can look at this example that shows how to quantize the filter before generating HDL.

11 months ago | 0

Answered
Why is my FFT HDL Optimized block running slower in FIL than Simulink?
This slowdown is due to the time it takes to send the data over from Simulink to the FPGA and back. You can use an Ethernet cab...

11 months ago | 0

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Answered
using bandpass filter on waveform
You can use the fdesign.bandpass function to design the filter. The resulting FIR or Biquad Filter can be used to generate HDL c...

12 months ago | 1

Answered
i m trying using converting signal processing block into hdl code , but some of the blocks are not compatible into hdl conversion .does anyone knows how to do it
Please check the Code Generation examples in Phased Array System Toolbox. The HDL code generation examples show how to implement...

1 year ago | 0

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