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 ...

1 year 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...

1 year 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...

1 year 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...

1 year 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-...

1 year ago | 1

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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.

1 year ago | 0

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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...

1 year 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...

1 year ago | 1

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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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Answered
Changing HDL FIR filter numerator while simulation is running
You can set the property Coefficients Source to input port and feed the coefficients via the input port. This will allow you to ...

1 year ago | 0

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IIR Filter Coefficant Value
Click on File -> Export. There is an option to export the coefficients to the workspace (SOS, G will be exported as variables ac...

1 year ago | 0

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Is matlab R2020a compatible with the latest xilinx system generator 2019.1?
I believe the answer is no. The question has been answered in this post.

1 year ago | 0

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Hi, I am using R2014b but cant find the HDL code in Code menu, only C/C++ code. what should i do to genarate a HDLcode for my simulink model.
You likely do not have HDL Coder installed. Type ver at the MATLAB command prompt to see if you have HDL Coder installed.

1 year ago | 1

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Answered
Do Enabled Subsystems use multiplexers in generated HDL code?
In order to get different rates, either through clock enables or through multiple clocks, you need to model the signals at diffe...

1 year ago | 0

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'/Serializer1D/HDL1DSe' error occurred when invoking 'getOutputSizeImpl' method of 'hdl.serializer1D'
I was able to avoid the error by setting the dimension of inputA to 1. Model attached.

1 year ago | 0

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Answered
How can I get the input names of the first level only in my simulink model?
You can use the SearchDepth parameter to specify the depth of the search. sysIns = find_system(bdroot,'SearchDepth',1, 'BlockT...

1 year ago | 0

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Answered
Warning: the font "Times" is not available, so "Lucida Bright" has been substituted, but may have unexpected appearance or behavor. Re-enable the "Times" font to remove this
What operation are you trying to eprform? Are you trying to generate HDL Code? If yes, do you have HDL Coder installed and lice...

1 year ago | 0

Answered
I am trying to run the Xilinx Demo in simulating but I get "Error in 'sysgenSSRIFFT/I.IM': Initialization commands cannot be evaluated."
"System Generator for DSP" is a third-party blockset provided by Xilinx. For questions related to System Generator, please conta...

1 year ago | 0

Answered
HDL coder sharing factor and axi-stream valid signal
I will likely need a little more information on exactly which FIR block you are using, but you can put in a sharing factor on th...

1 year ago | 0

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Is the DSP Builder for Intel FPGAs compatible with the Computer Vision Toolbox?
Did you mean to ask about Vision HDL Toolbox and not Computer Vision Toolbox? In that case, the HDL code you generate from Visio...

1 year ago | 1

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How to change frequency of sine wave on FPGA IO334?
One way to do this is by using the NCO HDL Optimized block and change the phase increment. Here is an example of how to use the ...

1 year ago | 0

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Matlab Implementation on Hardware Devices
Here is an example of how to go from MATLAB code to generating HDL code using Vision HDL Toolbox. You can then use the Vision H...

1 year ago | 0

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How to switch to visualize the output of FFT HDL Optimized in the frequency domain ?
If you did this in Simulink, you can send the output of the Simulink subsystem to the Spectrum Analyzer and do the analysis ther...

2 years ago | 0

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Why FFT HDL Optimized has not output?
It looks like the input valid is not being set to the right pulse width to feed in all the input data for a given frame. Please ...

2 years ago | 0

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Why is the output of the FFT HDL Optimized block zeros in Vivado's Simulation ?
I'd first suggest that you run the generated HDL and Testbench to make sure that the HDL design is working correctly. The next ...

2 years ago | 0

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Answered
How to implement a real-time fft for FPGA with matlab or simulink ?
The HDL code from the FFT HDL Optimized does do processing in real-time with streaming samples. It also allows you to process mu...

2 years ago | 0

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Answered
MATLAB function block doesn't generate synthesizable HDL.
It appears that you have floating point values in your MATLAB code. If you want to retain floating point numerics for your HDL,...

2 years ago | 0

Answered
Synthesizable VHDL code for filter design (using FDATOOL) not obtained for MATLAB R2015a
This is becasuse the filter is not quantized. Use the Quantization panel in fdatool to create a fixed-point biquad filter. If y...

2 years ago | 0

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how to report time-scale of simulink model
If you set the sample times on the sources such that the HDL Subsystem sees different Simulink rates, that will convey the right...

2 years ago | 0

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How do i design a synthesizable FFT with Simulink or Matlab for later on FPGA Implementation ?
The examples in this page should be a good start for you to design the input and generate hdl code.

2 years ago | 1