Bharath Venkataraman
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Content Feed
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 ...
alrededor de 16 horas ago | 0
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...
9 días ago | 0
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.
28 días ago | 0
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.
alrededor de 1 mes ago | 1
| accepted
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...
alrededor de 1 mes ago | 0
'/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.
alrededor de 1 mes ago | 0
| accepted
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...
alrededor de 1 mes ago | 0
| accepted
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...
2 meses ago | 0
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...
2 meses ago | 0
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...
3 meses ago | 0
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...
3 meses ago | 1
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 ...
4 meses ago | 0
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...
4 meses ago | 0
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...
5 meses ago | 0
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 ...
5 meses ago | 0
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 ...
5 meses ago | 0
| accepted
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...
5 meses ago | 0
| accepted
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,...
6 meses ago | 0
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...
6 meses ago | 0
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...
6 meses ago | 0
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.
6 meses ago | 1
How can i watch the content of a HDL RAM Block during simulation
I do not believe this capability exists currently. Could you please get in touch with MATLAB support to register this request so...
6 meses ago | 0
The function block "Integrate and Dump" (Simulink) is not supported for HDL code generation. Is there a similar one which is supported for HDL code generation? Thanks a lot!
There isn't a direct single block substiture for the Integrate and Dump block, but the attached model shows the way you can mode...
7 meses ago | 0
| accepted
QPSK Modulation Verilog Code generation error?
It appears that you need to covert the design to use fixed-point as well as set appropriate sample rates for your sources. Pleas...
8 meses ago | 0
I'm getting this error and I'm unable to figure out this. Please help
Please check if you have an HDL simulator that is supported. Here is the list supported by HDL Verifier: https://www.mathworks.c...
8 meses ago | 0
HDL Coder streaming input instead of vector
In this case, you want to use the Unbuffer block to stream the data in sample by sample.
9 meses ago | 0
How do I call an FFT multiple times with HDL Coder: System Object Methods in Loops?
Here is an equivalent Simulink model. Data comes in through the Signal To Workspace blocks whose input can come in from any wor...
11 meses ago | 0
How to configure modelsim in Matlab?
You can specify the vsimdir property value pair via vsimargs to vsimulink. See this page for details. You should also be able t...
más de 1 año ago | 1
Matlab HDL coder target frequency
The FFT HDL Optimized block & System object allow you to send 2^N samples per clock into the FFT. If you are able to get an FPGA...
más de 1 año ago | 0
Discrete FIR Filter input port
As you have observed, all the coefficients are to be provided at the input interface. One way to do this would be to take each ...
más de 1 año ago | 0
