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Recent content by marcelos

  1. M

    Resource and execution time estimation without FPGA board

    Hi, thanks for the answer. Yes, I planned the implementation in the form of RTL diagrams before I started coding. I have some estimation on resources in the form of recquired memory bits for video frame storage and fixed-point numbers. But I don't know exactly how to estimate logic elements...
  2. M

    Resource and execution time estimation without FPGA board

    Hello. I design, compile and make testbenchs to my VHDL project without using Quartus (I use a script that runs ModelSim command lines), so I don't use analysis or synthesis. I don't know if it is that simple, but how can I estimate the resource usage for a design? It is kinda big, with 1000...
  3. M

    [SOLVED] How to use real numbers in VHDL?

    Thanks to everyone who helped. I've managed to use the fixed-point package from **broken link removed** which also has a math pack with a exponential function, what will also be very useful. The problem is that you can't see clearly the numbers you are working with, because the package works...
  4. M

    [SOLVED] How to use real numbers in VHDL?

    Thanks for all the answers. I'm still having some issues. I have added the files of the fixed-point arithmetic to the project, like **broken link removed** says (I'm using the same version of Quartus) and added the lines use ieee.fixed_float_types.all; use ieee.fixed_pkg.all; like the user...
  5. M

    [SOLVED] How to use real numbers in VHDL?

    I have seen this link before. I had some issues on compiling the library, but I will try harder. Didn't really thought about that. I've said floating-point because of the common FLOAT type in C and other languages. More a matter of common use. But I think that fixed point is enough. I have to...
  6. M

    [SOLVED] How to use real numbers in VHDL?

    I see. But how do I implement this on the VHDL code? Is there a library with the IEEE 754 standard pre-defined, that creates a FLOAT type? I thought that it would be really easy to work with numbers like these on VHDL, but the more I search about the more I get lost.
  7. M

    [SOLVED] How to use real numbers in VHDL?

    Hi. I'm working on a digital video evaluation project and trying to implement the evaluation process on a FPGA using VHDL. The problem is: the equations that our project uses to rate the videos are a bit complex, with a lot of multiplications (of positive and negative numbers with decimal...
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