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GK4
Beginner
320 Views

Get stdout from Nios (JTAG) to custom application on a PC

Hello,

 

I am trying to read stdouts from my Nios from JTAG-UART with the JTAG UART Intel FPGA IP in the system console (is this the right place?).

That's because I want to be able to read the output and analyse it with my own software (stdin and out from the console to my application).

 

With the GDB debugger I am able to read and write, but I need to be able to hot swap the pc where the application is running.

 

I read some forum entries:

https://forums.intel.com/s/feed/0D50P00003yyTk4SAE

https://forums.intel.com/s/feed/0D50P000045gccwSAA

 

But I wasn't able to create a "listener".

 

I tried to fiddle manually with the GDB server:

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/nios2/edh_ed51004.pdf

But I wasn't able to find the correct commands/configuration to read the stdout from the slave.

 

Any help would be appreciated.

 

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3 Replies
Fawaz_J_Intel
Employee
101 Views

Hello,

We dont have such solution.

You can only change stdin/stdout if you have a real UART port in your board. In this case, you can port stdin/stdout to that UART, and this UART is connected to PC where you can run your custom application and read the data.

 

Thanks

GK4
Beginner
101 Views

Hello,

Thank you for the information.

Is this planned? Or do we have to expect that there will never be a some sort of API to communicate with custom software over JTAG/UART?

I mean there was something like the jtag-atlantic DLL.

Fawaz_J_Intel
Employee
101 Views

hello,

I have checked with our internal team, there is no current plan for that.

Thanks

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