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FPGA Logic analyser 

Bruce Land
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The inspiration for this project came from the analog discovery product and our desire for a multi-tool which could analyze digital logic and output waveforms. In this day and age, accurate and reliable tools are often very expensive. As such, in classrooms and labs which need to have many setups, such expensive tools are not a viable option. Due to this, students are often left without a means of properly decoding logic which can cause frustration in the debugging process. As such, our group wanted to create a tool which would be cost effective for labs while also being useful for students. The solution we came up with was using SoCs/FPGAs to implement such a tool. In designing our project one of the decisions we made was to make our decoding blocks stampable. This means that we can chose how many blocks we want before hardware compile. This allows students to still use our project regardless of the SoC/FPGA system they are using, as they can customize the number of blocks to work with the amount of logic space their system has. For the GUI portion of this project we chose to x-forward our application. This allows students to run our application from their own devices without the need to install python or the various other packages used in the GUI.

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2 окт 2024

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Комментарии : 23   
@rithiknambiar2343
@rithiknambiar2343 5 лет назад
Just a quick question professor- Are the students in the video pursuing graduate programs or undergraduate programs?
@ece4760
@ece4760 5 лет назад
These students are undergrads.
@rithiknambiar2343
@rithiknambiar2343 5 лет назад
@@ece4760 wow
@rithiknambiar2343
@rithiknambiar2343 5 лет назад
@@ece4760 Could you please help me get started with Verilog professor? Any books/tutorials/guides you could suggest?
@rithiknambiar2343
@rithiknambiar2343 5 лет назад
@@ece4760 Also professor, is there any way we can communicate in private? I have some doubts and queries and I'd be grateful if you could help me out with them
@ece4760
@ece4760 5 лет назад
@@rithiknambiar2343 First learn to design sequential digital circuits. Then learn verilog. My channel has verilog videos also.
@cyo_corner
@cyo_corner 4 года назад
what advantage does this have over Quartus signaltap?
@ece4760
@ece4760 4 года назад
It has a different goal. It uses the FPGA as a signal analyser for external circuitry, not to probe the FPGA itself.
@damny0utoobe
@damny0utoobe 5 лет назад
I've been trying to produce my own logic analyzer on an FPGA and found this video just in time. Thanks for sharing the source!
@ece4760
@ece4760 5 лет назад
Here is another version that I wrote to allow the FPGA to debug itself. people.ece.cornell.edu/land/courses/ece5760/DE1_SOC/Logic_analyzer/index_logic.html
@damny0utoobe
@damny0utoobe 5 лет назад
@@ece4760 Thanks! general question about the approach in your courses: when data intensive acquisition is required, do you recommend going directly from verilog RTL to DDR3? Or do you have to go through HPS? My only concern is that software may not be able to keep up with high-speed capture of the logic analyzer.
@ece4760
@ece4760 5 лет назад
The data capture here is to on-chip SRAM which is very fast, but limited in size on this chip to 4 MBits. There is ls 64 Mbytes of SDRAM directly connected to the FPGA with hardware read/write
@akaludi
@akaludi 3 года назад
Always impressed and proud feel of your students projects design - Did they put on GITHUB code for use to try and to teach our students ? can i be able to contact these individuals students - Thanks a lot
@ece4760
@ece4760 3 года назад
Thanks. Code is available at the link provided with each video. If you email me, then I will forward your mail to the students, if I still have their location.
@MrSanjeeb1
@MrSanjeeb1 6 месяцев назад
Which SPGA and what is the MAx speed of the signal that LA can detect
@ece4760
@ece4760 6 месяцев назад
did you read the linked report?
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