SDL Video Display not working in Simulink (MATLAB Coder Support Package for NVIDIA Jetson and NVIDIA DRIVE Platforms)

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Paolo Rosettani 2022-9-30

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评论： ohrum cha 2023-9-15

Hello,

SDL Video Display block doesn't work on Simulink (see screenshot below)

When I deploy it into a NVIDIA Jetson AGX Xavier (from Simulink) it makes the screen complitely black.

I've checked if the SDL Video Display works compiling a code from a MATLAB script (no Simulink), and it works!

How can I make it works also from Simulink? I suppose it's an implementation bug of the Simulink block itself.

Check this video to see the bug behaviour: https://youtu.be/ziGx2ferEU4

Thank you in advance

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Paolo Rosettani 2022-10-15

编辑：Paolo Rosettani 2022-10-15

Is it normal if i've this output?

I've tried with this:

hwobj.setDisplayEnvironment(':0');

But I've the same issue.

ohrum cha 2023-9-15

i have same issue

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回答（1 个）

Ramakrishna Mandalapu 2023-1-17

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编辑：Ramakrishna Mandalapu 2023-1-17

Hi Paolo,

Please try the follwing the steps to get rid off the blank screen issue.

on target: Step#1

Get the display environment by running the following command

>> echo $DISPLAY #copy the output of this command

localhost:1.0

On host: Step#2

hwobj = jetson('IPAddress','username','password');

hwobj.setDisplayEnvironment('localhost:1.0'); % output of the command from target as input to this function.

Step#3: Deploy&Run the model.

Thanks,

Ramakrishna

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Code Generation MATLAB Coder MATLAB Coder Supported Hardware MATLAB Coder Support Package for NVIDIA Jetson and NVIDIA DRIVE Platforms Modeling

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