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Charles


Last seen: 8 jours il y a |  Actif depuis 2011

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HDL-Coder: Vivado gives errors creating bitstream due to disconnected URAM cascade inputs
Hello, Using Simulink/HDL Coder, I've created a system that works "just great" - I can create a bitstream and get static timing...

11 mois il y a | 1 réponse | 0

1

réponse

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Simulink port annotations do not appear with HDL definition of wire/reg
Hello, I've been using Simulink's annotation feature to comment on various elements in my system. For instance, double click ba...

environ un an il y a | 1 réponse | 0

1

réponse

Réponse apportée
Efficient packing of data for BlockRAMs, UltraRAMs
Ok, I figured it out. The "size" field for a given variable in Model Explorer accepts a Matlab expression, so I set it to [1 Nsi...

plus d'un an il y a | 0

Réponse apportée
Efficient packing of data for BlockRAMs, UltraRAMs
Hello, I am getting back to this now, as it does seem like we're going to need to be more efficient with memory use. The idea i...

plus d'un an il y a | 0

Question


Mask parameter value is ignored with HDL Counter word length
Hello, I developed a specialized counter to accept starting count and max count values through inputs. I've made this into a mo...

plus d'un an il y a | 2 réponses | 0

2

réponses

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How to initialize Xilinx UltraRAMs?
Ok, I figured out a way around this: I provide some ports at the top level system to access the memory; these will be the data ...

plus d'un an il y a | 0

Question


How to initialize Xilinx UltraRAMs?
I'd like to use UltraRAMs to store what are essentially filter coefficients (there's about 20 K values, 26 bits of precision). R...

plus d'un an il y a | 2 réponses | 0

2

réponses

Question


Efficient packing of data for BlockRAMs, UltraRAMs
Hi, I have a system where there's four channels of 18-bit data processed simultaneously and written to a RAM as 4096 words x 4 ...

plus d'un an il y a | 3 réponses | 0

3

réponses

Question


HDL Counter with programmable limit
Hello, I am using Simulink/HDL Coder to design a system. I use the HDL Counter block a lot. As I learn more, I realize that the...

plus d'un an il y a | 1 réponse | 0

1

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Unable to define type of persistent variable inside Simulink Matlab function block
Hi, Attached is a simple system demonstrating what I want to do and so far haven't figured out a way to do. I would like to ru...

plus d'un an il y a | 1 réponse | 0

1

réponse

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Trouble using fixed point type conversion in Simulink
Hello, I have a fairly large system I am converting to fixed point. I have made some progress by setting the input data types a...

plus d'un an il y a | 1 réponse | 0

1

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Réponse apportée
"To Workspace" won't log as fixed-point
Ok, I found a workaround - setting the save format to "Timeseries" causes the data to be saved in the signal's original fixed-po...

plus d'un an il y a | 0

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"To Workspace" won't log as fixed-point
Hello, I'm using the "To Workspace" block in my design and I want it to preserve the type of the signal its logging. I am in th...

plus d'un an il y a | 1 réponse | 0

1

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"Failed to initialize the RTIOStream library" while installing HDL Verifier Support Package for Xilinx FPGA Boards add-on
Hi all, The issue seems to be that the Digilent Adept 2 Runtime was not installed. See also: Supported EDA Tools and Hardware a...

plus d'un an il y a | 0

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"Failed to initialize the RTIOStream library" while installing HDL Verifier Support Package for Xilinx FPGA Boards add-on
Hello, This issue is different from this question - I have the issue while trying to configure the add-on. I think I'm followin...

plus d'un an il y a | 1 réponse | 0

1

réponse

Question


HDL FIFO accepts three more pushes before signalling full
I'm trying to understand the operation of the HDL FIFO. See an image of my test system below. It has a register size of 5 in ...

plus d'un an il y a | 1 réponse | 0

1

réponse

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Error when saving MLX file
I am having this problem, too, but the above work-around does not work. Without the work-around, I get this error dialog: Th...

plus d'un an il y a | 0

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Programmatically adjusting editor fontsize does not work
This immediately changes the font in the command history window and no other window: s.matlab.fonts.codefont.Size.Temporary...

presque 3 ans il y a | 0

Réponse apportée
Programmatically adjusting editor fontsize does not work
Kind of defeats the purpose when attaching an external monitor if I have to restart Matlab. I'll stick with mousing through the ...

presque 3 ans il y a | 0

Question


Programmatically adjusting editor fontsize does not work
Hello, I'd like my editor and command window font size to be adjusted automatically when I plug in an external monitor to my la...

presque 3 ans il y a | 4 réponses | 0

4

réponses

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Enabling figure pan/zoom/data tips/etc. toolbar in figures
Hello, I recently upgraded to 2019b, and it seems some figure behavior has changed. I have a GUIDE application where I plot som...

plus de 4 ans il y a | 1 réponse | 0

1

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Réponse apportée
How to export complex-valued matrix to HDF file
I'm sorry, I did not figure out an HDF5 way of doing this. It was 5 years ago and I used Armadillo's ASCII export format, which ...

plus de 4 ans il y a | 0

Question


How to pass a class name as argument to a function
Hello, I'd like to initialize an element of a class with another class instance, and I'd like to pass in the particular class...

environ 9 ans il y a | 1 réponse | 0

1

réponse

Question


How to export complex-valued matrix to HDF file
Hello, I need to export complex (real,imaginary) data from Matlab using the HDF5 format. I am using the Armadillo C++ templa...

plus de 9 ans il y a | 3 réponses | 0

3

réponses

Question


Text box (auto) size for proportional fonts
Hi, I'm developing a GUI with plots that need annotations. I've been using the Static Text uicontrol and specifying its size...

environ 13 ans il y a | 1 réponse | 0

1

réponse