How can I establish hardware-in loop implementation of PYNQ-Z2 on MATLAB using filWizard?

Hello, I am trying to connect my Xilinx FPGA board (PYNQ-Z2) from TUL with MATLAB and perform hardware in loop simulation on Simulink. However, I am not able to establish connection between FPGA and MATLAB. Could you please guide me what steps do I need to follow to solve this error.

To stop the test, press "Ctrl+C" in the MATLAB console window.

Starting FPGA-in-the-Loop test ...

Generating FPGA programming file ...Passed

Programming FPGA ...Passed

Running FIL simulation ...Failed

Error:Failed to initialize the RTIOStream library.

(a) Xilinx PYNQ-Z2 FPGA board (b) Shorted JTAG Enable Pins

The configuration that I have done on the "New FPGA Board Wizard" for adding customized boards in MATLAB HDL Coder are as shown below.

For you kind reference, I am using

OS: Ubuntu 22.04.5 LTS OS,

FPGA: Xilinx PYNQ-Z2 (from TUL),

MATLAB Version: R2024b

Vivado Version: 2023.2 (ML Standard)

Any suggestions and support would be greatly appreciated. Thank you in advance for your time and support.

Answer 1

[YP]

Please try the following changes in the FPGA board wizard:

• Clock Frequency: 125MHz
• Clock Pin number: H16

Also connect the Ethernet port of this board to another Gig Etherner port, e.g. from PC/Switch/Router, using a Ethernet cable, since the Ethernet PHY should be active to generate the PL clock.

Run the validation step again.

[Bharat Bohara]

Hi YP,

Thank you very much for your quick reply. I tried with above mentioned changes as you have suggested. However, still I am getting the same errors. FYI, I have connected ethernet cable between FPGA and my laptop, but it is not visible on FILWizard block. For you reference, I have attached the screenshots with the above changes made.

I am getting this error as well:

Failed to open Digilent JTAG cable: Did not find any Digilent(R)

JTAG cable. Make sure that the cable is connected to your computer.

Failed to open FTDI JTAG cable: FTD2XX Library path doesn't exist.

Thank you.

[YP]

can you unplug the ethernet, and try again?

I found in this blog, the author can use 125MHz clock (H16) to drive LED without connecting the ethernet.

https://blog.umer-farooq.com/a-pynq-z2-guide-for-absolute-dummies-part-iii-tick-tock-using-fpga-clock-33a34ef3f51a

[Bharat Bohara]

Hi YP,

I tried by connecting the ethernet. It did not work as well. Are there any ways to create make my FPGA hardware-in-lopp with matlab.

Thank you,

[YP]

The FIL test passed for me. I am using the same jumper setting as you did, and Ethernet is not connected. I've attached my zipped board file. It should be the same as yours anyway.

By the way, I am testing on Windows. There could be driver issues on your Ubuntu. Try manually installing the FTDI driver and Adept runtime.

https://ftdichip.com/drivers/d2xx-drivers/

https://www.mathworks.com/help/hdlverifier/xilinxfpgaboards/ug/InstallDigilentAdept2Runtime.html

And can you try on a Windows machine?

[Bharat Bohara]

Hi YP,

Thank you so much for your support. I truly appreciate it. Sure, I will try it on a Windows machine and keep you updated.

Thank you,

Bharat