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Forum: FPGA, VHDL & Verilog Input Capture using FPGA


Input Capture using FPGA
von Michael J. (Company: AWS) (mj0331)

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Hi

I would like to seek advice.
I will be developing a logic sniffer using an FPGA.
I had little background on FPGA and I really like to learn it through 
this project. The device that I will use can either be from Latice, 
Altera or Xilinx.

This logic sniffer will be use to display the output of a motor driver 
to a PC application through USB.

I have vague idea on how to implement this currently.
My image is I will need an FPGA and a RAM, a USB Controller.

In FPGA, I think I need a USB IP, and the rest is vague idea like a 
counter, then an edge trigger module that can reset the counter and save 
counter value to RAM...

I will really appreciate any advice or Guide.

Thanks,

Mike

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Re: Input Capture using FPGA
von Lothar M. (Company: Titel) (lkmiller) (Moderator)

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Michael J. wrote:
> My image is I will need an FPGA and a RAM
For the very first step thats both inside the same component named 
"FPGA".
> a USB Controller.
Use a Serial-USB-Konverter for that job.

> I will really appreciate any advice or Guide.
You're not the very first with that idea. Why not simply looking how 
others did it?
https://www.sump.org/projects/analyzer/

: Edited by Moderator
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