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The computed word length of the result is 152 bits.
Some operation that you are performing on this data is growing the numeric result to 152 bits, and HDL Coder has a maximum bit l...

8 years ago | 0

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error while generating the VHDL code via system generator-"ERROR:cannot locate c:"
System Generator is a 3rd party product owned by Xilinx. You might have a better chance asking Xilinx support.

8 years ago | 0

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How to solve "unsupported unbounded loop structure"?
Does your code have a while loop, a for loop with a non-static limit, or something similar? This sort of construct is what the ...

8 years ago | 0

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how to build DC wave which have a amplitude of 0 to 360 and frequency 50HZ
Your waveform looks like the output of a counter, counting from 0 to 360 repeatedly. You can use the HDL Counter block, configur...

8 years ago | 0

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error in HDL code generation?
As you are discovering, HDL Coder is not a low-level schematic capture tool; nor does it generate HDL for analog designs. If...

8 years ago | 0

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hello , i m working in a project that deals with cryptography....i need to write code in vhdl...
Walter is mostly correct. HDL Coder has been able to generate HDL code directly from MATLAB code since R2012a. This design flow ...

8 years ago | 1

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SIMULINK -HDL CONVERSION ERROR
You have picked three blocks that are not supported for HDL code generation, as mentioned in the error messages. In addition you...

8 years ago | 1

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i have matlab 2011,,can i genarate vhdl and verilog code for 2d dct from it by using hdl coder
In R2011b, the name of the HDL code generator was Simulink HDL Coder. It allows you to generate VHDL or Verilog code from Simuli...

8 years ago | 1

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Answered
How reliable is the fixed point conversion of the Matlab HDL coder?
The float to fixed-point conversion in HDL Coder works by analyzing your design, using several different methods including simul...

9 years ago | 0

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Matrix multiplication in MATLAB HDL Coder
You will need to algorithmically decompose your required matrix multiplication into its scalar equivalent operations. Even th...

9 years ago | 0

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Tool boxes required to generate IP CORE from SIMULINK
HDL code and IPCore generation are provided by HDL Coder. HDL Coder has as required products MATLAB, Fixed-Point Designer and MA...

9 years ago | 0

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Answered
Generate validation model error
This is a generated model drawing error; the validation model is not fitting onto the Simulink canvas. It indicates a problem in...

9 years ago | 0

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HDL Coder - Generate RTL Code and IP Core ERROR
This error is coming directly from Xilinx Vivado, and seems pretty clear. For whatever reason, Xilinx wants your project root di...

9 years ago | 1

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HDL Coder Error. Undefined function or variable. The first assignment to a local variable determines its class.
What variables does the issue occur with? By inspection you do not define grayG1 if numberOfColorBands <= 1. Running the code in...

9 years ago | 0

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Dear Sir, I have written LU Decomposition code for 8X8 matrix in MATLAB and converted into VHDL using HDL coder but when I am synthesizing it it is demanding more FPGA pins that my FPGA has, even my FPGA is having more than 600 pins.
It appears that your MATLAB code has 64 separate inputs, and that fixpt conversion is selecting anywhere from 3 to 7 bits per in...

9 years ago | 2

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Answered
I want to covert MATLAB code to VHDL code using HDL coder. But I am getting following error. I have changed values many times but even also I am getting the same error .
If you have a data value that isn't originally zero, but becomes zero when quantized to fixed point, you could get this message....

9 years ago | 0

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How to convert ANN Simulink model to Xilinx Model
Xilinx System Generator is a separate product made by Xilinx and is focused only on Xilinx FPGAs. As I understand it, the entire...

9 years ago | 0

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using vector signal instead of using mux signals
As you have found, you can use the Mux block to combine scalar signals into a vector of signals, and the Demux block to separate...

9 years ago | 0

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Scalarize Vector Ports option get the HDL code running time is infinite
It's hard to say what might be happening here. How large are your vectors that you are trying to scalarize?

9 years ago | 0

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How to change the directory to run a hdl simulator?
No picture is attached, so I'm not entirely sure what your specific problem is. In general, you can change your current director...

9 years ago | 0

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Error: Cast between fixpt and floating point type is not supported
HDL Coder does not support conversion between double/single (IEEE-754) values and any other types. You do not want doubles in yo...

9 years ago | 0

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HDL coder random generator
HDL Coder does not support code generation for any of the Simulink Random Number generator blocks. You will need to implement a ...

9 years ago | 0

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Found an unsupported unbounded loop structure.
You have many loops of the form: for tp=toll2(nj):1:toll2(nj+1); ... end While you do not show the definition of |t...

9 years ago | 0

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can we run HDL coder without testbench??
You can generate HDL code from a design with no testbench, but you will not be able to perform any validation of that code with ...

9 years ago | 1

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can we use HDL coder for functions that have another functions inside themselve ??
There is no problem using nested functions in your MATLAB source to HDL Coder, as long as all constructs are supported and all l...

9 years ago | 0

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buffering without using a buffer
If you are targeting VHDL via HDL Coder you will need some form of storage for your data; it has to be kept somewhere. The simpl...

9 years ago | 0

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HDL coder not integrated in Filter Builder, Code Generation pane. R2014b
|HDL Coder| and |Filter Design HDL Coder| are two separate products. To generate HDL directly from the Filter Builder App you ne...

9 years ago | 0

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Answered
output data type of a simple discrete TF and its VHDL code generation
HDL Coder will generate code based off your Simulink model. If you provide a 16-bit input (either implicitly or explicitly defin...

9 years ago | 1

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why HDL coder behaves differently for "HDL counter"?
When HDL Coder has a linked library block for the HDL Counter (or any other block supplied with the tool), it can recognize the ...

9 years ago | 1

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HDL Coder within subsystem on Simscape model
Yes, the approach you outline should work. Simscape blocks are not supported for HDL code generation but it seems that you are a...

9 years ago | 0