Community Profile

Sean Little


L-3 Communications

21 total contributions since 2004

Professional Interests: HDL, VHDL, signal processing, EDA

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Submitted


Spline based function approximation for HDL synthesis
This is a suite of simple utilities that allow for efficient approximation of complex functions in a

3 months ago | 3 downloads |

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Submitted


GUIDE with nested callbacks
Utility that automatically generates m-files with nested callbacks.

3 months ago | 2 downloads |

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Responded


Re: mex -setup can't find my Visual C++ 2010 64bits
I have never really understood the appeal for using the MEX command at all. I suppose it is convenient for (very) small commands...

3 years ago | 10555 views

Responded


Re: conditional operator
What does the question mark mean in Matlab? ...does not list anything.

3 years ago | 38798 views

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Re: John D'Errico
I have read CSSM almost every day for several years, although I hardly ever post (can't justify taking the time when I am workin...

4 years ago | 6707 views

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Re: HDL code generation
I was finally able to get the promised approximation utilities published on the File Exchange. It is pretty rough, and still a w...

6 years ago | 8533 views

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Re: HDL code generation
It seems that you are having problems with the timing modes for the HDL Streaming FFT blocks. I do not have time to debug this f...

6 years ago | 8533 views

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Re: HDL code generation
There is no IFFT block in the HDL coder. You can compute the IFFT using the FFT block. To compute the IFFT, simply take the co...

6 years ago | 8533 views

Responded


Re: HDL code generation
As promised, I have started the process of posting some materials to the File Exchange. It will take a couple of days for my sub...

6 years ago | 8533 views

Responded


Re: HDL code generation
You are still thinking about this problem in terms of software development. What does a FOR loop mean in terms of hardware? You...

6 years ago | 8533 views

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Re: HDL code generation
You have work to do. The problem you are experiencing happens because you are using functions in EML that are not supported for...

6 years ago | 8533 views

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Re: Handling very large files in matlab: Timeseries Data
It is probably not advisable for you to create MAT files out of this data, for the reasons you state. I would therefore suggest ...

6 years ago | 9306 views

Responded


Re: Initial Value of Output Ports for HDL Coder compatibility
I often use constructs like that in testbench code (which is non-synthesizable). But I am not sure I would trust that for synthe...

7 years ago | 5113 views

Responded


Re: Initial Value of Output Ports for HDL Coder compatibility
I can only speculate about the reason why the HDL Coder does not work this way, but I can provide some insight about HDL design ...

7 years ago | 5113 views

Responded


Re: explicitly calling function in directory/namespace
It sounds like you have having license issues. When you type: % begin code which pdist % end code Do you see a message about a...

7 years ago | 2308 views

Responded


Re: What is the best way to approximate a function?
Again, thanks for the response, John. I will take a look at creating a solution based around a cubic polynomial associated with...

7 years ago | 6783 views

Responded


Re: What is the best way to approximate a function?
Thanks for the response, John. But dang! I was afraid something like this might happen. But creating that function was still pre...

7 years ago | 6783 views

Posted


What is the best way to approximate a function?
I was working on a project a while back which got me thinking about this problem: What is the best way to approximate a non-line...

7 years ago | 6783 views

Responded


Re: GUI using nested function issues
I wanted to repost this to see if I could get some insight. There is the possibility that this problem is the result of a matlab...

12 years ago | 685 views

Responded


Re: GUI using nested function issues
The GUI code I posted is pretty long, and apparently the newsreader clipped it. If anyone wants the code, I would be happy to em...

12 years ago | 685 views

Posted


GUI using nested function issues
Hello, I have some questions, but I need to provide some background first: I work as a data analyst. It is very important for my...

12 years ago | 685 views