TM4C129ENCPDT: lwIP 2.0.x ported to TM4C129x?

Brian Willoughby18

Part Number: TM4C129ENCPDT

The lwIP 1.4.1 support in Tivaware is quite old. Many developers on the internet recommend starting new projects on lwIP 2.0.x, especially when combining multiple open-source embedded libraries.

Has anyone successfully updated the TM4C port of lwIP from 1.4.1 to 2.0.x?

It looks like the interrupt versus main() master loop calls need to move around. I've been working with 2.0.3 and looking at NonGNU.org and ARMmbed/lwip, but there are some interesting discrepancies.

Any help?

over 7 years ago

0 Ralph Jacobi over 7 years ago

TI__Guru*** 135355 points

Hello Brian,

There have been some community members who have had success with this. I will post their E2E threads for you to review.

One of our community members has done this successfully and documented some details in this post: https://e2e.ti.com/support/microcontrollers/tiva_arm/f/908/p/587288/2157525#2157525

Some other details he shared in another thread are: https://e2e.ti.com/support/microcontrollers/tiva_arm/f/908/p/586128/2153641#2153641

Lastly Charles helped troubleshoot another issue with porting here: https://e2e.ti.com/support/microcontrollers/tiva_arm/f/908/t/639660

I think these resources will be fairly helpful for you, particularly John's contributions.

0 Brian Willoughby18 over 7 years ago

Intellectual 935 points

All I needed to do was to increase the stack size from 512 to 2048.
Turns out that my own porting effort was successful, but I'd started with a blank project and didn't notice that the default stack size was so small.

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TM4C129ENCPDT: lwIP 2.0.x ported to TM4C129x?